From 341eaef04b87c0c1d60dd26a22dff7ad4f67784b Mon Sep 17 00:00:00 2001
From: Gary Houston <ghouston@arglist.com>
Date: Sun, 7 Dec 1997 07:02:17 +0000
Subject: [PATCH] 	* README: using Automake 1.2d 	* configure.in:
 AC_CHECK_FUNCS: add "system". 	* simpos.c (scm_system): always define: use
 sysmissing if not 	available.  Check for HAVE_SYSTEM instead of _Windows
 (does 	Windows lack system or does it have an unusable one?). 	Check for
 error conditions -1 and 127.  Use SCM_DEFER_INTS. 	Let the argument be
 optional: if not supplied, call system(NULL). 	* ports.c (scm_close_port):
 relax the type check from OPPORTP to 	PORTP; closing a closed port is
 allowed.

---
 ChangeLog               |   5 +
 Makefile.in             |  31 ++-
 README                  |   2 +-
 aclocal.m4              |  19 +-
 build/Makefile.in       |  14 +-
 configure               | 580 ++++++++++++++++++++--------------------
 configure.in            |   2 +-
 ice-9/Makefile.in       |  25 +-
 libguile/ChangeLog      |  11 +
 libguile/Makefile.in    |  45 ++--
 libguile/ports.c        |   2 +-
 libguile/scmconfig.h.in |   3 +
 libguile/simpos.c       |  32 ++-
 qt/Makefile.in          |  47 ++--
 qt/md/Makefile.in       |  14 +-
 qt/time/Makefile.in     |  14 +-
 16 files changed, 468 insertions(+), 378 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 2af07e0e5..038a6bbd3 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Sun Dec  7 06:11:24 1997  Gary Houston  <ghouston@actrix.gen.nz>
+
+	* README: using Automake 1.2d
+	* configure.in: AC_CHECK_FUNCS: add "system".
+
 1997-12-01  Tim Pierce  <twp@skepsis.com>
 
 	* acconfig.h: Add USCORE.
diff --git a/Makefile.in b/Makefile.in
index 3c03f8b28..3ab83ae42 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -1,4 +1,4 @@
-# Makefile.in generated automatically by automake 1.2c from Makefile.am
+# Makefile.in generated automatically by automake 1.2d from Makefile.am
 
 # Copyright (C) 1994, 1995, 1996, 1997 Free Software Foundation, Inc.
 # This Makefile.in is free software; the Free Software Foundation
@@ -49,12 +49,12 @@ INSTALL_DATA = @INSTALL_DATA@
 INSTALL_SCRIPT = @INSTALL_SCRIPT@
 transform = @program_transform_name@
 
-NORMAL_INSTALL = true
-PRE_INSTALL = true
-POST_INSTALL = true
-NORMAL_UNINSTALL = true
-PRE_UNINSTALL = true
-POST_UNINSTALL = true
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
 host_alias = @host_alias@
 host_triplet = @host@
 AWK = @AWK@
@@ -156,7 +156,7 @@ all-recursive install-data-recursive install-exec-recursive \
 installdirs-recursive install-recursive uninstall-recursive  \
 check-recursive installcheck-recursive info-recursive dvi-recursive:
 	@set fnord $(MAKEFLAGS); amf=$$2; \
-	for subdir in $(SUBDIRS); do \
+	list='$(SUBDIRS)'; for subdir in $$list; do \
 	  target=`echo $@ | sed s/-recursive//`; \
 	  echo "Making $$target in $$subdir"; \
 	  (cd $$subdir && $(MAKE) $$target) \
@@ -166,7 +166,9 @@ check-recursive installcheck-recursive info-recursive dvi-recursive:
 mostlyclean-recursive clean-recursive distclean-recursive \
 maintainer-clean-recursive:
 	@set fnord $(MAKEFLAGS); amf=$$2; \
-	rev=''; for subdir in $(SUBDIRS); do rev="$$subdir $$rev"; done; \
+	rev=''; list='$(SUBDIRS)'; for subdir in $$list; do \
+	  rev="$$subdir $$rev"; \
+	done; \
 	for subdir in $$rev; do \
 	  target=`echo $@ | sed s/-recursive//`; \
 	  echo "Making $$target in $$subdir"; \
@@ -180,17 +182,18 @@ tags-recursive:
 
 tags: TAGS
 
-ID: $(HEADERS) $(SOURCES)
-	here=`pwd` && cd $(srcdir) && mkid -f$$here/ID $(SOURCES) $(HEADERS)
+ID: $(HEADERS) $(SOURCES) $(LISP)
+	here=`pwd` && cd $(srcdir) \
+	  && mkid -f$$here/ID $(SOURCES) $(HEADERS) $(LISP)
 
-TAGS: tags-recursive $(HEADERS) $(SOURCES)  $(TAGS_DEPENDENCIES)
+TAGS: tags-recursive $(HEADERS) $(SOURCES)  $(TAGS_DEPENDENCIES) $(LISP)
 	tags=; \
 	here=`pwd`; \
 	list='$(SUBDIRS)'; for subdir in $$list; do \
 	  test -f $$subdir/TAGS && tags="$$tags -i $$here/$$subdir/TAGS"; \
 	done; \
-	test -z "$(ETAGS_ARGS)$(SOURCES)$(HEADERS)$$tags" \
-	  || (cd $(srcdir) && etags $(ETAGS_ARGS) $$tags  $(SOURCES) $(HEADERS) -o $$here/TAGS)
+	test -z "$(ETAGS_ARGS)$(SOURCES)$(HEADERS)$(LISP)$$tags" \
+	  || (cd $(srcdir) && etags $(ETAGS_ARGS) $$tags  $(SOURCES) $(HEADERS) $(LISP) -o $$here/TAGS)
 
 mostlyclean-tags:
 
diff --git a/README b/README
index abeb8284a..5686d4fe1 100644
--- a/README
+++ b/README
@@ -91,7 +91,7 @@ Autoconf 2.12 --- a system for automatically generating `configure'
 	program would like to use.  Available in
 	"ftp://prep.ai.mit.edu/pub/gnu".
 
-Automake 1.2c --- a system for automatically generating Makefiles that
+Automake 1.2d --- a system for automatically generating Makefiles that
 	conform to the (rather Byzantine) GNU coding standards.  The
 	nice thing is that it takes care of hairy targets like 'make
 	dist' and 'make distclean', and automatically generates
diff --git a/aclocal.m4 b/aclocal.m4
index ccfa9eab6..7870f9c52 100644
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -1,4 +1,4 @@
-dnl aclocal.m4 generated automatically by aclocal 1.2c
+dnl aclocal.m4 generated automatically by aclocal 1.2d
 
 dnl Copyright (C) 1994, 1995, 1996, 1997 Free Software Foundation, Inc.
 dnl This Makefile.in is free software; the Free Software Foundation
@@ -176,8 +176,8 @@ fi
 ifelse([$3],,
 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE")
 AC_DEFINE_UNQUOTED(VERSION, "$VERSION"))
-AM_SANITY_CHECK
-AC_ARG_PROGRAM
+AC_REQUIRE([AM_SANITY_CHECK])
+AC_REQUIRE([AC_ARG_PROGRAM])
 dnl FIXME This is truly gross.
 missing_dir=`cd $ac_aux_dir && pwd`
 AM_MISSING_PROG(ACLOCAL, aclocal, $missing_dir)
@@ -185,7 +185,7 @@ AM_MISSING_PROG(AUTOCONF, autoconf, $missing_dir)
 AM_MISSING_PROG(AUTOMAKE, automake, $missing_dir)
 AM_MISSING_PROG(AUTOHEADER, autoheader, $missing_dir)
 AM_MISSING_PROG(MAKEINFO, makeinfo, $missing_dir)
-AC_PROG_MAKE_SET])
+AC_REQUIRE([AC_PROG_MAKE_SET])])
 
 
 # serial 1
@@ -216,6 +216,17 @@ if (
       # -L didn't work.
       set X `ls -t $srcdir/configure conftestfile`
    fi
+   if test "[$]*" != "X $srcdir/configure conftestfile" \
+      && test "[$]*" != "X conftestfile $srcdir/configure"; then
+
+      # If neither matched, then we have a broken ls.  This can happen
+      # if, for instance, CONFIG_SHELL is bash and it inherits a
+      # broken ls alias from the environment.  This has actually
+      # happened.  Such a system could not be considered "sane".
+      AC_MSG_ERROR([ls -t appears to fail.  Make sure there is not a broken
+alias in your environment])
+   fi
+
    test "[$]2" = conftestfile
    )
 then
diff --git a/build/Makefile.in b/build/Makefile.in
index f1fd2142e..999564e56 100644
--- a/build/Makefile.in
+++ b/build/Makefile.in
@@ -1,4 +1,4 @@
-# Makefile.in generated automatically by automake 1.2c from Makefile.am
+# Makefile.in generated automatically by automake 1.2d from Makefile.am
 
 # Copyright (C) 1994, 1995, 1996, 1997 Free Software Foundation, Inc.
 # This Makefile.in is free software; the Free Software Foundation
@@ -52,12 +52,12 @@ INSTALL_DATA = @INSTALL_DATA@
 INSTALL_SCRIPT = @INSTALL_SCRIPT@
 transform = @program_transform_name@
 
-NORMAL_INSTALL = true
-PRE_INSTALL = true
-POST_INSTALL = true
-NORMAL_UNINSTALL = true
-PRE_UNINSTALL = true
-POST_UNINSTALL = true
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
 host_alias = @host_alias@
 host_triplet = @host@
 AWK = @AWK@
diff --git a/configure b/configure
index f968a12fd..bbdd8399d 100755
--- a/configure
+++ b/configure
@@ -618,17 +618,8 @@ test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
 
 test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL_PROGRAM}'
 
-
-PACKAGE=$PACKAGE
-
-VERSION=$VERSION
-
-if test "`cd $srcdir && pwd`" != "`pwd`" && test -f $srcdir/config.status; then
-  { echo "configure: error: source directory already configured; run "make distclean" there first" 1>&2; exit 1; }
-fi
-
 echo $ac_n "checking whether build environment is sane""... $ac_c" 1>&6
-echo "configure:632: checking whether build environment is sane" >&5
+echo "configure:623: checking whether build environment is sane" >&5
 # Just in case
 sleep 1
 echo timestamp > conftestfile
@@ -643,6 +634,17 @@ if (
       # -L didn't work.
       set X `ls -t $srcdir/configure conftestfile`
    fi
+   if test "$*" != "X $srcdir/configure conftestfile" \
+      && test "$*" != "X conftestfile $srcdir/configure"; then
+
+      # If neither matched, then we have a broken ls.  This can happen
+      # if, for instance, CONFIG_SHELL is bash and it inherits a
+      # broken ls alias from the environment.  This has actually
+      # happened.  Such a system could not be considered "sane".
+      { echo "configure: error: ls -t appears to fail.  Make sure there is not a broken
+alias in your environment" 1>&2; exit 1; }
+   fi
+
    test "$2" = conftestfile
    )
 then
@@ -673,74 +675,8 @@ test "$program_suffix" != NONE &&
 # sed with no file args requires a program.
 test "$program_transform_name" = "" && program_transform_name="s,x,x,"
 
-missing_dir=`cd $ac_aux_dir && pwd`
-echo $ac_n "checking for working aclocal""... $ac_c" 1>&6
-echo "configure:679: checking for working aclocal" >&5
-# Run test in a subshell; some versions of sh will print an error if
-# an executable is not found, even if stderr is redirected.
-# Redirect stdin to placate older versions of autoconf.  Sigh.
-if (aclocal --version) < /dev/null > /dev/null 2>&1; then
-   ACLOCAL=aclocal
-   echo "$ac_t""found" 1>&6
-else
-   ACLOCAL="$missing_dir/missing aclocal"
-   echo "$ac_t""missing" 1>&6
-fi
-
-echo $ac_n "checking for working autoconf""... $ac_c" 1>&6
-echo "configure:692: checking for working autoconf" >&5
-# Run test in a subshell; some versions of sh will print an error if
-# an executable is not found, even if stderr is redirected.
-# Redirect stdin to placate older versions of autoconf.  Sigh.
-if (autoconf --version) < /dev/null > /dev/null 2>&1; then
-   AUTOCONF=autoconf
-   echo "$ac_t""found" 1>&6
-else
-   AUTOCONF="$missing_dir/missing autoconf"
-   echo "$ac_t""missing" 1>&6
-fi
-
-echo $ac_n "checking for working automake""... $ac_c" 1>&6
-echo "configure:705: checking for working automake" >&5
-# Run test in a subshell; some versions of sh will print an error if
-# an executable is not found, even if stderr is redirected.
-# Redirect stdin to placate older versions of autoconf.  Sigh.
-if (automake --version) < /dev/null > /dev/null 2>&1; then
-   AUTOMAKE=automake
-   echo "$ac_t""found" 1>&6
-else
-   AUTOMAKE="$missing_dir/missing automake"
-   echo "$ac_t""missing" 1>&6
-fi
-
-echo $ac_n "checking for working autoheader""... $ac_c" 1>&6
-echo "configure:718: checking for working autoheader" >&5
-# Run test in a subshell; some versions of sh will print an error if
-# an executable is not found, even if stderr is redirected.
-# Redirect stdin to placate older versions of autoconf.  Sigh.
-if (autoheader --version) < /dev/null > /dev/null 2>&1; then
-   AUTOHEADER=autoheader
-   echo "$ac_t""found" 1>&6
-else
-   AUTOHEADER="$missing_dir/missing autoheader"
-   echo "$ac_t""missing" 1>&6
-fi
-
-echo $ac_n "checking for working makeinfo""... $ac_c" 1>&6
-echo "configure:731: checking for working makeinfo" >&5
-# Run test in a subshell; some versions of sh will print an error if
-# an executable is not found, even if stderr is redirected.
-# Redirect stdin to placate older versions of autoconf.  Sigh.
-if (makeinfo --version) < /dev/null > /dev/null 2>&1; then
-   MAKEINFO=makeinfo
-   echo "$ac_t""found" 1>&6
-else
-   MAKEINFO="$missing_dir/missing makeinfo"
-   echo "$ac_t""missing" 1>&6
-fi
-
 echo $ac_n "checking whether ${MAKE-make} sets \${MAKE}""... $ac_c" 1>&6
-echo "configure:744: checking whether ${MAKE-make} sets \${MAKE}" >&5
+echo "configure:680: checking whether ${MAKE-make} sets \${MAKE}" >&5
 set dummy ${MAKE-make}; ac_make=`echo "$2" | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_prog_make_${ac_make}_set'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -766,8 +702,86 @@ else
   SET_MAKE="MAKE=${MAKE-make}"
 fi
 
+
+PACKAGE=$PACKAGE
+
+VERSION=$VERSION
+
+if test "`cd $srcdir && pwd`" != "`pwd`" && test -f $srcdir/config.status; then
+  { echo "configure: error: source directory already configured; run "make distclean" there first" 1>&2; exit 1; }
+fi
+
+
+
+missing_dir=`cd $ac_aux_dir && pwd`
+echo $ac_n "checking for working aclocal""... $ac_c" 1>&6
+echo "configure:719: checking for working aclocal" >&5
+# Run test in a subshell; some versions of sh will print an error if
+# an executable is not found, even if stderr is redirected.
+# Redirect stdin to placate older versions of autoconf.  Sigh.
+if (aclocal --version) < /dev/null > /dev/null 2>&1; then
+   ACLOCAL=aclocal
+   echo "$ac_t""found" 1>&6
+else
+   ACLOCAL="$missing_dir/missing aclocal"
+   echo "$ac_t""missing" 1>&6
+fi
+
+echo $ac_n "checking for working autoconf""... $ac_c" 1>&6
+echo "configure:732: checking for working autoconf" >&5
+# Run test in a subshell; some versions of sh will print an error if
+# an executable is not found, even if stderr is redirected.
+# Redirect stdin to placate older versions of autoconf.  Sigh.
+if (autoconf --version) < /dev/null > /dev/null 2>&1; then
+   AUTOCONF=autoconf
+   echo "$ac_t""found" 1>&6
+else
+   AUTOCONF="$missing_dir/missing autoconf"
+   echo "$ac_t""missing" 1>&6
+fi
+
+echo $ac_n "checking for working automake""... $ac_c" 1>&6
+echo "configure:745: checking for working automake" >&5
+# Run test in a subshell; some versions of sh will print an error if
+# an executable is not found, even if stderr is redirected.
+# Redirect stdin to placate older versions of autoconf.  Sigh.
+if (automake --version) < /dev/null > /dev/null 2>&1; then
+   AUTOMAKE=automake
+   echo "$ac_t""found" 1>&6
+else
+   AUTOMAKE="$missing_dir/missing automake"
+   echo "$ac_t""missing" 1>&6
+fi
+
+echo $ac_n "checking for working autoheader""... $ac_c" 1>&6
+echo "configure:758: checking for working autoheader" >&5
+# Run test in a subshell; some versions of sh will print an error if
+# an executable is not found, even if stderr is redirected.
+# Redirect stdin to placate older versions of autoconf.  Sigh.
+if (autoheader --version) < /dev/null > /dev/null 2>&1; then
+   AUTOHEADER=autoheader
+   echo "$ac_t""found" 1>&6
+else
+   AUTOHEADER="$missing_dir/missing autoheader"
+   echo "$ac_t""missing" 1>&6
+fi
+
+echo $ac_n "checking for working makeinfo""... $ac_c" 1>&6
+echo "configure:771: checking for working makeinfo" >&5
+# Run test in a subshell; some versions of sh will print an error if
+# an executable is not found, even if stderr is redirected.
+# Redirect stdin to placate older versions of autoconf.  Sigh.
+if (makeinfo --version) < /dev/null > /dev/null 2>&1; then
+   MAKEINFO=makeinfo
+   echo "$ac_t""found" 1>&6
+else
+   MAKEINFO="$missing_dir/missing makeinfo"
+   echo "$ac_t""missing" 1>&6
+fi
+
+
 echo $ac_n "checking whether to enable maintainer-specific portions of Makefiles""... $ac_c" 1>&6
-echo "configure:771: checking whether to enable maintainer-specific portions of Makefiles" >&5
+echo "configure:785: checking whether to enable maintainer-specific portions of Makefiles" >&5
     # Check whether --enable-maintainer-mode or --disable-maintainer-mode was given.
 if test "${enable_maintainer_mode+set}" = set; then
   enableval="$enable_maintainer_mode"
@@ -839,7 +853,7 @@ fi
 # Extract the first word of "gcc", so it can be a program name with args.
 set dummy gcc; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:843: checking for $ac_word" >&5
+echo "configure:857: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -868,7 +882,7 @@ if test -z "$CC"; then
   # Extract the first word of "cc", so it can be a program name with args.
 set dummy cc; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:872: checking for $ac_word" >&5
+echo "configure:886: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -916,7 +930,7 @@ fi
 fi
 
 echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works""... $ac_c" 1>&6
-echo "configure:920: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
+echo "configure:934: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
 
 ac_ext=c
 # CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
@@ -926,11 +940,11 @@ ac_link='${CC-cc} -o conftest $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS
 cross_compiling=$ac_cv_prog_cc_cross
 
 cat > conftest.$ac_ext <<EOF
-#line 930 "configure"
+#line 944 "configure"
 #include "confdefs.h"
 main(){return(0);}
 EOF
-if { (eval echo configure:934: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:948: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   ac_cv_prog_cc_works=yes
   # If we can't run a trivial program, we are probably using a cross compiler.
   if (./conftest; exit) 2>/dev/null; then
@@ -950,12 +964,12 @@ if test $ac_cv_prog_cc_works = no; then
   { echo "configure: error: installation or configuration problem: C compiler cannot create executables." 1>&2; exit 1; }
 fi
 echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler""... $ac_c" 1>&6
-echo "configure:954: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
+echo "configure:968: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
 echo "$ac_t""$ac_cv_prog_cc_cross" 1>&6
 cross_compiling=$ac_cv_prog_cc_cross
 
 echo $ac_n "checking whether we are using GNU C""... $ac_c" 1>&6
-echo "configure:959: checking whether we are using GNU C" >&5
+echo "configure:973: checking whether we are using GNU C" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_gcc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -964,7 +978,7 @@ else
   yes;
 #endif
 EOF
-if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:968: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
+if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:982: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
   ac_cv_prog_gcc=yes
 else
   ac_cv_prog_gcc=no
@@ -979,7 +993,7 @@ if test $ac_cv_prog_gcc = yes; then
   ac_save_CFLAGS="$CFLAGS"
   CFLAGS=
   echo $ac_n "checking whether ${CC-cc} accepts -g""... $ac_c" 1>&6
-echo "configure:983: checking whether ${CC-cc} accepts -g" >&5
+echo "configure:997: checking whether ${CC-cc} accepts -g" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_cc_g'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1007,7 +1021,7 @@ else
 fi
 
 echo $ac_n "checking how to run the C preprocessor""... $ac_c" 1>&6
-echo "configure:1011: checking how to run the C preprocessor" >&5
+echo "configure:1025: checking how to run the C preprocessor" >&5
 # On Suns, sometimes $CPP names a directory.
 if test -n "$CPP" && test -d "$CPP"; then
   CPP=
@@ -1022,13 +1036,13 @@ else
   # On the NeXT, cc -E runs the code through the compiler's parser,
   # not just through cpp.
   cat > conftest.$ac_ext <<EOF
-#line 1026 "configure"
+#line 1040 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1032: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1046: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out`
 if test -z "$ac_err"; then
   :
@@ -1039,13 +1053,13 @@ else
   rm -rf conftest*
   CPP="${CC-cc} -E -traditional-cpp"
   cat > conftest.$ac_ext <<EOF
-#line 1043 "configure"
+#line 1057 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1049: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1063: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out`
 if test -z "$ac_err"; then
   :
@@ -1074,7 +1088,7 @@ else { echo "configure: error: can not run $ac_config_sub" 1>&2; exit 1; }
 fi
 
 echo $ac_n "checking host system type""... $ac_c" 1>&6
-echo "configure:1078: checking host system type" >&5
+echo "configure:1092: checking host system type" >&5
 
 host_alias=$host
 case "$host_alias" in
@@ -1097,7 +1111,7 @@ echo "$ac_t""$host" 1>&6
 # Extract the first word of "ranlib", so it can be a program name with args.
 set dummy ranlib; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1101: checking for $ac_word" >&5
+echo "configure:1115: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1136,7 +1150,7 @@ ac_prog=ld
 if test "$ac_cv_prog_gcc" = yes; then
   # Check if gcc -print-prog-name=ld gives a path.
   echo $ac_n "checking for ld used by GCC""... $ac_c" 1>&6
-echo "configure:1140: checking for ld used by GCC" >&5
+echo "configure:1154: checking for ld used by GCC" >&5
   ac_prog=`($CC -print-prog-name=ld) 2>&5`
   case "$ac_prog" in
   # Accept absolute paths.
@@ -1154,10 +1168,10 @@ echo "configure:1140: checking for ld used by GCC" >&5
   esac
 elif test "$with_gnu_ld" = yes; then
   echo $ac_n "checking for GNU ld""... $ac_c" 1>&6
-echo "configure:1158: checking for GNU ld" >&5
+echo "configure:1172: checking for GNU ld" >&5
 else
   echo $ac_n "checking for non-GNU ld""... $ac_c" 1>&6
-echo "configure:1161: checking for non-GNU ld" >&5
+echo "configure:1175: checking for non-GNU ld" >&5
 fi
 if eval "test \"`echo '$''{'ac_cv_path_LD'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1193,7 +1207,7 @@ fi
 test -z "$LD" && { echo "configure: error: no acceptable ld found in \$PATH" 1>&2; exit 1; }
 
 echo $ac_n "checking if the linker ($LD) is GNU ld""... $ac_c" 1>&6
-echo "configure:1197: checking if the linker ($LD) is GNU ld" >&5
+echo "configure:1211: checking if the linker ($LD) is GNU ld" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_gnu_ld'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1209,7 +1223,7 @@ echo "$ac_t""$ac_cv_prog_gnu_ld" 1>&6
 
 
 echo $ac_n "checking for BSD-compatible nm""... $ac_c" 1>&6
-echo "configure:1213: checking for BSD-compatible nm" >&5
+echo "configure:1227: checking for BSD-compatible nm" >&5
 if eval "test \"`echo '$''{'ac_cv_path_NM'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1244,7 +1258,7 @@ echo "$ac_t""$NM" 1>&6
 
 
 echo $ac_n "checking whether ln -s works""... $ac_c" 1>&6
-echo "configure:1248: checking whether ln -s works" >&5
+echo "configure:1262: checking whether ln -s works" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_LN_S'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1336,9 +1350,9 @@ $libtool_flags --no-verify $ac_aux_dir/ltmain.sh $host \
 
 
 echo $ac_n "checking for AIX""... $ac_c" 1>&6
-echo "configure:1340: checking for AIX" >&5
+echo "configure:1354: checking for AIX" >&5
 cat > conftest.$ac_ext <<EOF
-#line 1342 "configure"
+#line 1356 "configure"
 #include "confdefs.h"
 #ifdef _AIX
   yes
@@ -1360,7 +1374,7 @@ rm -f conftest*
 
 
 echo $ac_n "checking for POSIXized ISC""... $ac_c" 1>&6
-echo "configure:1364: checking for POSIXized ISC" >&5
+echo "configure:1378: checking for POSIXized ISC" >&5
 if test -d /etc/conf/kconfig.d &&
   grep _POSIX_VERSION /usr/include/sys/unistd.h >/dev/null 2>&1
 then
@@ -1382,17 +1396,17 @@ fi
 
 ac_safe=`echo "minix/config.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for minix/config.h""... $ac_c" 1>&6
-echo "configure:1386: checking for minix/config.h" >&5
+echo "configure:1400: checking for minix/config.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1391 "configure"
+#line 1405 "configure"
 #include "confdefs.h"
 #include <minix/config.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1396: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1410: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -1431,12 +1445,12 @@ fi
 
 
 echo $ac_n "checking for working const""... $ac_c" 1>&6
-echo "configure:1435: checking for working const" >&5
+echo "configure:1449: checking for working const" >&5
 if eval "test \"`echo '$''{'ac_cv_c_const'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1440 "configure"
+#line 1454 "configure"
 #include "confdefs.h"
 
 int main() {
@@ -1485,7 +1499,7 @@ ccp = (char const *const *) p;
 
 ; return 0; }
 EOF
-if { (eval echo configure:1489: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1503: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_c_const=yes
 else
@@ -1507,12 +1521,12 @@ fi
 
 
 echo $ac_n "checking for ANSI C header files""... $ac_c" 1>&6
-echo "configure:1511: checking for ANSI C header files" >&5
+echo "configure:1525: checking for ANSI C header files" >&5
 if eval "test \"`echo '$''{'ac_cv_header_stdc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1516 "configure"
+#line 1530 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 #include <stdarg.h>
@@ -1520,7 +1534,7 @@ else
 #include <float.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1524: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1538: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -1537,7 +1551,7 @@ rm -f conftest*
 if test $ac_cv_header_stdc = yes; then
   # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
 cat > conftest.$ac_ext <<EOF
-#line 1541 "configure"
+#line 1555 "configure"
 #include "confdefs.h"
 #include <string.h>
 EOF
@@ -1555,7 +1569,7 @@ fi
 if test $ac_cv_header_stdc = yes; then
   # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
 cat > conftest.$ac_ext <<EOF
-#line 1559 "configure"
+#line 1573 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 EOF
@@ -1576,7 +1590,7 @@ if test "$cross_compiling" = yes; then
   :
 else
   cat > conftest.$ac_ext <<EOF
-#line 1580 "configure"
+#line 1594 "configure"
 #include "confdefs.h"
 #include <ctype.h>
 #define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
@@ -1587,7 +1601,7 @@ if (XOR (islower (i), ISLOWER (i)) || toupper (i) != TOUPPER (i)) exit(2);
 exit (0); }
 
 EOF
-if { (eval echo configure:1591: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:1605: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
 then
   :
 else
@@ -1615,12 +1629,12 @@ for ac_hdr in dirent.h sys/ndir.h sys/dir.h ndir.h
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr that defines DIR""... $ac_c" 1>&6
-echo "configure:1619: checking for $ac_hdr that defines DIR" >&5
+echo "configure:1633: checking for $ac_hdr that defines DIR" >&5
 if eval "test \"`echo '$''{'ac_cv_header_dirent_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1624 "configure"
+#line 1638 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <$ac_hdr>
@@ -1628,7 +1642,7 @@ int main() {
 DIR *dirp = 0;
 ; return 0; }
 EOF
-if { (eval echo configure:1632: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1646: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   eval "ac_cv_header_dirent_$ac_safe=yes"
 else
@@ -1653,7 +1667,7 @@ done
 # Two versions of opendir et al. are in -ldir and -lx on SCO Xenix.
 if test $ac_header_dirent = dirent.h; then
 echo $ac_n "checking for opendir in -ldir""... $ac_c" 1>&6
-echo "configure:1657: checking for opendir in -ldir" >&5
+echo "configure:1671: checking for opendir in -ldir" >&5
 ac_lib_var=`echo dir'_'opendir | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1661,7 +1675,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-ldir  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1665 "configure"
+#line 1679 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -1672,7 +1686,7 @@ int main() {
 opendir()
 ; return 0; }
 EOF
-if { (eval echo configure:1676: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:1690: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -1694,7 +1708,7 @@ fi
 
 else
 echo $ac_n "checking for opendir in -lx""... $ac_c" 1>&6
-echo "configure:1698: checking for opendir in -lx" >&5
+echo "configure:1712: checking for opendir in -lx" >&5
 ac_lib_var=`echo x'_'opendir | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1702,7 +1716,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lx  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1706 "configure"
+#line 1720 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -1713,7 +1727,7 @@ int main() {
 opendir()
 ; return 0; }
 EOF
-if { (eval echo configure:1717: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:1731: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -1736,12 +1750,12 @@ fi
 fi
 
 echo $ac_n "checking whether time.h and sys/time.h may both be included""... $ac_c" 1>&6
-echo "configure:1740: checking whether time.h and sys/time.h may both be included" >&5
+echo "configure:1754: checking whether time.h and sys/time.h may both be included" >&5
 if eval "test \"`echo '$''{'ac_cv_header_time'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1745 "configure"
+#line 1759 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/time.h>
@@ -1750,7 +1764,7 @@ int main() {
 struct tm *tp;
 ; return 0; }
 EOF
-if { (eval echo configure:1754: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1768: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_header_time=yes
 else
@@ -1771,12 +1785,12 @@ EOF
 fi
 
 echo $ac_n "checking for sys/wait.h that is POSIX.1 compatible""... $ac_c" 1>&6
-echo "configure:1775: checking for sys/wait.h that is POSIX.1 compatible" >&5
+echo "configure:1789: checking for sys/wait.h that is POSIX.1 compatible" >&5
 if eval "test \"`echo '$''{'ac_cv_header_sys_wait_h'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1780 "configure"
+#line 1794 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/wait.h>
@@ -1792,7 +1806,7 @@ wait (&s);
 s = WIFEXITED (s) ? WEXITSTATUS (s) : 1;
 ; return 0; }
 EOF
-if { (eval echo configure:1796: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1810: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_header_sys_wait_h=yes
 else
@@ -1816,17 +1830,17 @@ for ac_hdr in libc.h limits.h malloc.h memory.h string.h regex.h rxposix.h rx/rx
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:1820: checking for $ac_hdr" >&5
+echo "configure:1834: checking for $ac_hdr" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1825 "configure"
+#line 1839 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1830: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1844: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -1857,17 +1871,17 @@ done
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:1861: checking for $ac_hdr" >&5
+echo "configure:1875: checking for $ac_hdr" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1866 "configure"
+#line 1880 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1871: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1885: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -1894,7 +1908,7 @@ fi
 done
 
     echo $ac_n "checking "whether libc.h and unistd.h can be included together"""... $ac_c" 1>&6
-echo "configure:1898: checking "whether libc.h and unistd.h can be included together"" >&5
+echo "configure:1912: checking "whether libc.h and unistd.h can be included together"" >&5
 if eval "test \"`echo '$''{'guile_cv_header_libc_with_unistd'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1905,7 +1919,7 @@ else
           guile_cv_header_libc_with_unistd="yes"
         else
           cat > conftest.$ac_ext <<EOF
-#line 1909 "configure"
+#line 1923 "configure"
 #include "confdefs.h"
 
 #             include <libc.h>
@@ -1915,7 +1929,7 @@ int main() {
 
 ; return 0; }
 EOF
-if { (eval echo configure:1919: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1933: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   guile_cv_header_libc_with_unistd=yes
 else
@@ -1942,12 +1956,12 @@ EOF
 
 
 echo $ac_n "checking for uid_t in sys/types.h""... $ac_c" 1>&6
-echo "configure:1946: checking for uid_t in sys/types.h" >&5
+echo "configure:1960: checking for uid_t in sys/types.h" >&5
 if eval "test \"`echo '$''{'ac_cv_type_uid_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1951 "configure"
+#line 1965 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 EOF
@@ -1976,7 +1990,7 @@ EOF
 fi
 
 echo $ac_n "checking type of array argument to getgroups""... $ac_c" 1>&6
-echo "configure:1980: checking type of array argument to getgroups" >&5
+echo "configure:1994: checking type of array argument to getgroups" >&5
 if eval "test \"`echo '$''{'ac_cv_type_getgroups'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1984,7 +1998,7 @@ else
   ac_cv_type_getgroups=cross
 else
   cat > conftest.$ac_ext <<EOF
-#line 1988 "configure"
+#line 2002 "configure"
 #include "confdefs.h"
 
 /* Thanks to Mike Rendell for this test.  */
@@ -2009,7 +2023,7 @@ main()
 }
 
 EOF
-if { (eval echo configure:2013: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:2027: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
 then
     ac_cv_type_getgroups=gid_t
 else
@@ -2023,7 +2037,7 @@ fi
 
 if test $ac_cv_type_getgroups = cross; then
         cat > conftest.$ac_ext <<EOF
-#line 2027 "configure"
+#line 2041 "configure"
 #include "confdefs.h"
 #include <unistd.h>
 EOF
@@ -2047,12 +2061,12 @@ EOF
 
 
 echo $ac_n "checking return type of signal handlers""... $ac_c" 1>&6
-echo "configure:2051: checking return type of signal handlers" >&5
+echo "configure:2065: checking return type of signal handlers" >&5
 if eval "test \"`echo '$''{'ac_cv_type_signal'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2056 "configure"
+#line 2070 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <signal.h>
@@ -2069,7 +2083,7 @@ int main() {
 int i;
 ; return 0; }
 EOF
-if { (eval echo configure:2073: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2087: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_type_signal=void
 else
@@ -2088,12 +2102,12 @@ EOF
 
 
 echo $ac_n "checking for mode_t""... $ac_c" 1>&6
-echo "configure:2092: checking for mode_t" >&5
+echo "configure:2106: checking for mode_t" >&5
 if eval "test \"`echo '$''{'ac_cv_type_mode_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2097 "configure"
+#line 2111 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #if STDC_HEADERS
@@ -2122,7 +2136,7 @@ fi
 
 
 echo $ac_n "checking for main in -lm""... $ac_c" 1>&6
-echo "configure:2126: checking for main in -lm" >&5
+echo "configure:2140: checking for main in -lm" >&5
 ac_lib_var=`echo m'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2130,14 +2144,14 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lm  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2134 "configure"
+#line 2148 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:2141: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:2155: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -2165,12 +2179,12 @@ else
 fi
 
 echo $ac_n "checking for gethostbyname""... $ac_c" 1>&6
-echo "configure:2169: checking for gethostbyname" >&5
+echo "configure:2183: checking for gethostbyname" >&5
 if eval "test \"`echo '$''{'ac_cv_func_gethostbyname'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2174 "configure"
+#line 2188 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char gethostbyname(); below.  */
@@ -2193,7 +2207,7 @@ gethostbyname();
 
 ; return 0; }
 EOF
-if { (eval echo configure:2197: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:2211: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func_gethostbyname=yes"
 else
@@ -2214,7 +2228,7 @@ fi
 
 if test $ac_cv_func_gethostbyname = no; then
     echo $ac_n "checking for gethostbyname in -lnsl""... $ac_c" 1>&6
-echo "configure:2218: checking for gethostbyname in -lnsl" >&5
+echo "configure:2232: checking for gethostbyname in -lnsl" >&5
 ac_lib_var=`echo nsl'_'gethostbyname | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2222,7 +2236,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lnsl  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2226 "configure"
+#line 2240 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -2233,7 +2247,7 @@ int main() {
 gethostbyname()
 ; return 0; }
 EOF
-if { (eval echo configure:2237: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:2251: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -2262,12 +2276,12 @@ fi
 
 fi
 echo $ac_n "checking for connect""... $ac_c" 1>&6
-echo "configure:2266: checking for connect" >&5
+echo "configure:2280: checking for connect" >&5
 if eval "test \"`echo '$''{'ac_cv_func_connect'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2271 "configure"
+#line 2285 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char connect(); below.  */
@@ -2290,7 +2304,7 @@ connect();
 
 ; return 0; }
 EOF
-if { (eval echo configure:2294: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:2308: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func_connect=yes"
 else
@@ -2311,7 +2325,7 @@ fi
 
 if test $ac_cv_func_connect = no; then
     echo $ac_n "checking for connect in -lsocket""... $ac_c" 1>&6
-echo "configure:2315: checking for connect in -lsocket" >&5
+echo "configure:2329: checking for connect in -lsocket" >&5
 ac_lib_var=`echo socket'_'connect | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2319,7 +2333,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lsocket  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2323 "configure"
+#line 2337 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -2330,7 +2344,7 @@ int main() {
 connect()
 ; return 0; }
 EOF
-if { (eval echo configure:2334: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:2348: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -2359,7 +2373,7 @@ fi
 
 fi
 echo $ac_n "checking for tgoto in -ltermcap""... $ac_c" 1>&6
-echo "configure:2363: checking for tgoto in -ltermcap" >&5
+echo "configure:2377: checking for tgoto in -ltermcap" >&5
 ac_lib_var=`echo termcap'_'tgoto | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2367,7 +2381,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-ltermcap  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2371 "configure"
+#line 2385 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -2378,7 +2392,7 @@ int main() {
 tgoto()
 ; return 0; }
 EOF
-if { (eval echo configure:2382: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:2396: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -2406,7 +2420,7 @@ else
 fi
 
 echo $ac_n "checking for readline in -lreadline""... $ac_c" 1>&6
-echo "configure:2410: checking for readline in -lreadline" >&5
+echo "configure:2424: checking for readline in -lreadline" >&5
 ac_lib_var=`echo readline'_'readline | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2414,7 +2428,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lreadline  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2418 "configure"
+#line 2432 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -2425,7 +2439,7 @@ int main() {
 readline()
 ; return 0; }
 EOF
-if { (eval echo configure:2429: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:2443: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -2458,7 +2472,7 @@ fi
 if test "$enable_dynamic_linking" = "yes"; then
 
 echo $ac_n "checking for dlopen in -ldl""... $ac_c" 1>&6
-echo "configure:2462: checking for dlopen in -ldl" >&5
+echo "configure:2476: checking for dlopen in -ldl" >&5
 ac_lib_var=`echo dl'_'dlopen | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2466,7 +2480,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-ldl  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2470 "configure"
+#line 2484 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -2477,7 +2491,7 @@ int main() {
 dlopen()
 ; return 0; }
 EOF
-if { (eval echo configure:2481: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:2495: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -2511,7 +2525,7 @@ EOF
 
 else
 echo $ac_n "checking for dld_link in -ldld""... $ac_c" 1>&6
-echo "configure:2515: checking for dld_link in -ldld" >&5
+echo "configure:2529: checking for dld_link in -ldld" >&5
 ac_lib_var=`echo dld'_'dld_link | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2519,7 +2533,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-ldld  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2523 "configure"
+#line 2537 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -2530,7 +2544,7 @@ int main() {
 dld_link()
 ; return 0; }
 EOF
-if { (eval echo configure:2534: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:2548: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -2566,12 +2580,12 @@ else
 for ac_func in shl_load
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:2570: checking for $ac_func" >&5
+echo "configure:2584: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2575 "configure"
+#line 2589 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -2594,7 +2608,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:2598: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:2612: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -2627,12 +2641,12 @@ else
 for ac_func in dlopen
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:2631: checking for $ac_func" >&5
+echo "configure:2645: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2636 "configure"
+#line 2650 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -2655,7 +2669,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:2659: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:2673: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -2693,7 +2707,7 @@ fi
 
 
   echo $ac_n "checking for underscore before symbols""... $ac_c" 1>&6
-echo "configure:2697: checking for underscore before symbols" >&5
+echo "configure:2711: checking for underscore before symbols" >&5
   if eval "test \"`echo '$''{'guile_cv_uscore'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2719,7 +2733,7 @@ EOF
 
     if test $ac_cv_func_dlopen = yes -o $ac_cv_lib_dl_dlopen = yes ; then
 	echo $ac_n "checking whether dlsym always adds an underscore for us""... $ac_c" 1>&6
-echo "configure:2723: checking whether dlsym always adds an underscore for us" >&5
+echo "configure:2737: checking whether dlsym always adds an underscore for us" >&5
 	if eval "test \"`echo '$''{'guile_cv_dlsym_adds_uscore'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2727,7 +2741,7 @@ else
   guile_cv_dlsym_adds_uscore=no
 else
   cat > conftest.$ac_ext <<EOF
-#line 2731 "configure"
+#line 2745 "configure"
 #include "confdefs.h"
 
 #include <dlfcn.h>
@@ -2738,7 +2752,7 @@ main() { void *self, *ptr1, *ptr2; self=dlopen(NULL,RTLD_LAZY);
     if(ptr1 && !ptr2) exit(0); } exit(1); } 
 
 EOF
-if { (eval echo configure:2742: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:2756: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
 then
   guile_cv_dlsym_adds_uscore=yes
 	cat >> confdefs.h <<\EOF
@@ -2762,15 +2776,15 @@ fi
   fi
 
 
-for ac_func in ctermid ftime getcwd geteuid gethostent gettimeofday lstat mkdir mknod nice readlink rename rmdir select setegid seteuid setlocale setpgid setsid sigaction strftime strptime symlink sync tcgetpgrp tcsetpgrp times uname waitpid bzero
+for ac_func in ctermid ftime getcwd geteuid gethostent gettimeofday lstat mkdir mknod nice readlink rename rmdir select setegid seteuid setlocale setpgid setsid sigaction strftime strptime symlink sync tcgetpgrp tcsetpgrp times uname waitpid bzero system
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:2769: checking for $ac_func" >&5
+echo "configure:2783: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2774 "configure"
+#line 2788 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -2793,7 +2807,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:2797: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:2811: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -2821,17 +2835,17 @@ done
 
 ac_safe=`echo "sys/un.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for sys/un.h""... $ac_c" 1>&6
-echo "configure:2825: checking for sys/un.h" >&5
+echo "configure:2839: checking for sys/un.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2830 "configure"
+#line 2844 "configure"
 #include "confdefs.h"
 #include <sys/un.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2835: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2849: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -2862,12 +2876,12 @@ fi
 for ac_func in socketpair getgroups setpwent pause tzset
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:2866: checking for $ac_func" >&5
+echo "configure:2880: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2871 "configure"
+#line 2885 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -2890,7 +2904,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:2894: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:2908: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -2921,12 +2935,12 @@ done
 for ac_func in sethostent endhostent getnetent setnetent endnetent getprotoent endprotoent getservent endservent getnetbyaddr getnetbyname inet_lnaof inet_makeaddr inet_netof
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:2925: checking for $ac_func" >&5
+echo "configure:2939: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2930 "configure"
+#line 2944 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -2949,7 +2963,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:2953: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:2967: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -2976,20 +2990,20 @@ done
 
 
 echo $ac_n "checking for restartable system calls""... $ac_c" 1>&6
-echo "configure:2980: checking for restartable system calls" >&5
+echo "configure:2994: checking for restartable system calls" >&5
 if eval "test \"`echo '$''{'scm_cv_restarts'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test $ac_cv_func_sigaction = yes; then
 		cat > conftest.$ac_ext <<EOF
-#line 2986 "configure"
+#line 3000 "configure"
 #include "confdefs.h"
 #include <signal.h>
 int main() {
 int a = SA_RESTART
 ; return 0; }
 EOF
-if { (eval echo configure:2993: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3007: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   scm_cv_restarts=yes
 else
@@ -3016,12 +3030,12 @@ if test "$ac_cv_header_regex_h" = yes ||
    test "$ac_cv_header_rxposix_h" = yes ||
    test "$ac_cv_header_rx_rxposix_h" = yes; then
   echo $ac_n "checking for regcomp""... $ac_c" 1>&6
-echo "configure:3020: checking for regcomp" >&5
+echo "configure:3034: checking for regcomp" >&5
 if eval "test \"`echo '$''{'ac_cv_func_regcomp_norx'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3025 "configure"
+#line 3039 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char regcomp(); below.  */
@@ -3044,7 +3058,7 @@ regcomp();
 
 ; return 0; }
 EOF
-if { (eval echo configure:3048: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:3062: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func_regcomp_norx=yes"
 else
@@ -3062,7 +3076,7 @@ if eval "test \"`echo '$ac_cv_func_'regcomp'_'norx`\" = yes"; then
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for main in -lrx""... $ac_c" 1>&6
-echo "configure:3066: checking for main in -lrx" >&5
+echo "configure:3080: checking for main in -lrx" >&5
 ac_lib_var=`echo rx'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3070,14 +3084,14 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lrx  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3074 "configure"
+#line 3088 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:3081: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:3095: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -3105,12 +3119,12 @@ else
 fi
 
    echo $ac_n "checking for regcomp""... $ac_c" 1>&6
-echo "configure:3109: checking for regcomp" >&5
+echo "configure:3123: checking for regcomp" >&5
 if eval "test \"`echo '$''{'ac_cv_func_regcomp_rx'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3114 "configure"
+#line 3128 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char regcomp(); below.  */
@@ -3133,7 +3147,7 @@ regcomp();
 
 ; return 0; }
 EOF
-if { (eval echo configure:3137: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:3151: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func_regcomp_rx=yes"
 else
@@ -3167,12 +3181,12 @@ fi
 for ac_func in inet_aton putenv strerror
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:3171: checking for $ac_func" >&5
+echo "configure:3185: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3176 "configure"
+#line 3190 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -3195,7 +3209,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:3199: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:3213: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -3228,19 +3242,19 @@ done
 # The Ultrix 4.2 mips builtin alloca declared by alloca.h only works
 # for constant arguments.  Useless!
 echo $ac_n "checking for working alloca.h""... $ac_c" 1>&6
-echo "configure:3232: checking for working alloca.h" >&5
+echo "configure:3246: checking for working alloca.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_alloca_h'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3237 "configure"
+#line 3251 "configure"
 #include "confdefs.h"
 #include <alloca.h>
 int main() {
 char *p = alloca(2 * sizeof(int));
 ; return 0; }
 EOF
-if { (eval echo configure:3244: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:3258: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   ac_cv_header_alloca_h=yes
 else
@@ -3261,12 +3275,12 @@ EOF
 fi
 
 echo $ac_n "checking for alloca""... $ac_c" 1>&6
-echo "configure:3265: checking for alloca" >&5
+echo "configure:3279: checking for alloca" >&5
 if eval "test \"`echo '$''{'ac_cv_func_alloca_works'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3270 "configure"
+#line 3284 "configure"
 #include "confdefs.h"
 
 #ifdef __GNUC__
@@ -3289,7 +3303,7 @@ int main() {
 char *p = (char *) alloca(1);
 ; return 0; }
 EOF
-if { (eval echo configure:3293: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:3307: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   ac_cv_func_alloca_works=yes
 else
@@ -3321,12 +3335,12 @@ EOF
 
 
 echo $ac_n "checking whether alloca needs Cray hooks""... $ac_c" 1>&6
-echo "configure:3325: checking whether alloca needs Cray hooks" >&5
+echo "configure:3339: checking whether alloca needs Cray hooks" >&5
 if eval "test \"`echo '$''{'ac_cv_os_cray'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3330 "configure"
+#line 3344 "configure"
 #include "confdefs.h"
 #if defined(CRAY) && ! defined(CRAY2)
 webecray
@@ -3351,12 +3365,12 @@ echo "$ac_t""$ac_cv_os_cray" 1>&6
 if test $ac_cv_os_cray = yes; then
 for ac_func in _getb67 GETB67 getb67; do
   echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:3355: checking for $ac_func" >&5
+echo "configure:3369: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3360 "configure"
+#line 3374 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -3379,7 +3393,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:3383: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:3397: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -3406,7 +3420,7 @@ done
 fi
 
 echo $ac_n "checking stack direction for C alloca""... $ac_c" 1>&6
-echo "configure:3410: checking stack direction for C alloca" >&5
+echo "configure:3424: checking stack direction for C alloca" >&5
 if eval "test \"`echo '$''{'ac_cv_c_stack_direction'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3414,7 +3428,7 @@ else
   ac_cv_c_stack_direction=0
 else
   cat > conftest.$ac_ext <<EOF
-#line 3418 "configure"
+#line 3432 "configure"
 #include "confdefs.h"
 find_stack_direction ()
 {
@@ -3433,7 +3447,7 @@ main ()
   exit (find_stack_direction() < 0);
 }
 EOF
-if { (eval echo configure:3437: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:3451: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
 then
   ac_cv_c_stack_direction=1
 else
@@ -3457,12 +3471,12 @@ fi
 if test "$ALLOCA" = "alloca.o"; then LIBOBJS="alloca.o $LIBOBJS"; fi
 
 echo $ac_n "checking for st_rdev in struct stat""... $ac_c" 1>&6
-echo "configure:3461: checking for st_rdev in struct stat" >&5
+echo "configure:3475: checking for st_rdev in struct stat" >&5
 if eval "test \"`echo '$''{'ac_cv_struct_st_rdev'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3466 "configure"
+#line 3480 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/stat.h>
@@ -3470,7 +3484,7 @@ int main() {
 struct stat s; s.st_rdev;
 ; return 0; }
 EOF
-if { (eval echo configure:3474: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3488: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_struct_st_rdev=yes
 else
@@ -3491,12 +3505,12 @@ EOF
 fi
 
 echo $ac_n "checking for st_blksize in struct stat""... $ac_c" 1>&6
-echo "configure:3495: checking for st_blksize in struct stat" >&5
+echo "configure:3509: checking for st_blksize in struct stat" >&5
 if eval "test \"`echo '$''{'ac_cv_struct_st_blksize'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3500 "configure"
+#line 3514 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/stat.h>
@@ -3504,7 +3518,7 @@ int main() {
 struct stat s; s.st_blksize;
 ; return 0; }
 EOF
-if { (eval echo configure:3508: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3522: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_struct_st_blksize=yes
 else
@@ -3528,12 +3542,12 @@ fi
 # We could use AC_STRUCT_ST_BLOCKS here, but that adds fileblocks.o to
 # LIBOBJS, which we don't need.  This seems more direct. 
 echo $ac_n "checking for st_blocks in struct stat""... $ac_c" 1>&6
-echo "configure:3532: checking for st_blocks in struct stat" >&5
+echo "configure:3546: checking for st_blocks in struct stat" >&5
 if eval "test \"`echo '$''{'ac_cv_struct_st_blocks'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3537 "configure"
+#line 3551 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/stat.h>
@@ -3541,7 +3555,7 @@ int main() {
 struct stat s; s.st_blocks;
 ; return 0; }
 EOF
-if { (eval echo configure:3545: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3559: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_struct_st_blocks=yes
 else
@@ -3562,12 +3576,12 @@ EOF
 fi
 
 echo $ac_n "checking whether struct tm is in sys/time.h or time.h""... $ac_c" 1>&6
-echo "configure:3566: checking whether struct tm is in sys/time.h or time.h" >&5
+echo "configure:3580: checking whether struct tm is in sys/time.h or time.h" >&5
 if eval "test \"`echo '$''{'ac_cv_struct_tm'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3571 "configure"
+#line 3585 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <time.h>
@@ -3575,7 +3589,7 @@ int main() {
 struct tm *tp; tp->tm_sec;
 ; return 0; }
 EOF
-if { (eval echo configure:3579: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3593: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_struct_tm=time.h
 else
@@ -3596,12 +3610,12 @@ EOF
 fi
 
 echo $ac_n "checking for tm_zone in struct tm""... $ac_c" 1>&6
-echo "configure:3600: checking for tm_zone in struct tm" >&5
+echo "configure:3614: checking for tm_zone in struct tm" >&5
 if eval "test \"`echo '$''{'ac_cv_struct_tm_zone'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3605 "configure"
+#line 3619 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <$ac_cv_struct_tm>
@@ -3609,7 +3623,7 @@ int main() {
 struct tm tm; tm.tm_zone;
 ; return 0; }
 EOF
-if { (eval echo configure:3613: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3627: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_struct_tm_zone=yes
 else
@@ -3629,12 +3643,12 @@ EOF
 
 else
   echo $ac_n "checking for tzname""... $ac_c" 1>&6
-echo "configure:3633: checking for tzname" >&5
+echo "configure:3647: checking for tzname" >&5
 if eval "test \"`echo '$''{'ac_cv_var_tzname'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3638 "configure"
+#line 3652 "configure"
 #include "confdefs.h"
 #include <time.h>
 #ifndef tzname /* For SGI.  */
@@ -3644,7 +3658,7 @@ int main() {
 atoi(*tzname);
 ; return 0; }
 EOF
-if { (eval echo configure:3648: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:3662: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   ac_cv_var_tzname=yes
 else
@@ -3667,12 +3681,12 @@ fi
 
 
   echo $ac_n "checking whether we need POSIX to get struct utimbuf""... $ac_c" 1>&6
-echo "configure:3671: checking whether we need POSIX to get struct utimbuf" >&5
+echo "configure:3685: checking whether we need POSIX to get struct utimbuf" >&5
 if eval "test \"`echo '$''{'guile_cv_struct_utimbuf_needs_posix'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3676 "configure"
+#line 3690 "configure"
 #include "confdefs.h"
 
 #ifdef __EMX__
@@ -3684,7 +3698,7 @@ struct utime blah;
 
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:3688: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:3702: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -3717,13 +3731,13 @@ if test "$cross_compiling" = yes; then
   echo "configure: warning: Guessing that stack grows down -- see scmconfig.h.in" 1>&2
 else
   cat > conftest.$ac_ext <<EOF
-#line 3721 "configure"
+#line 3735 "configure"
 #include "confdefs.h"
 aux (l) unsigned long l;
 	     { int x; exit (l >= ((unsigned long)&x)); }
 	   main () { int q; aux((unsigned long)&q); }
 EOF
-if { (eval echo configure:3727: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:3741: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
 then
   cat >> confdefs.h <<\EOF
 #define SCM_STACK_GROWS_UP 1
@@ -3746,11 +3760,11 @@ EOF
 	   echo "configure: warning: Guessing that sizeof(long) == sizeof(float) -- see scmconfig.h.in" 1>&2
 else
   cat > conftest.$ac_ext <<EOF
-#line 3750 "configure"
+#line 3764 "configure"
 #include "confdefs.h"
 main () { exit (sizeof(float) != sizeof(long)); }
 EOF
-if { (eval echo configure:3754: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:3768: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
 then
   cat >> confdefs.h <<\EOF
 #define SCM_SINGLES 1
@@ -3765,12 +3779,12 @@ fi
 
 
 echo $ac_n "checking for struct linger""... $ac_c" 1>&6
-echo "configure:3769: checking for struct linger" >&5
+echo "configure:3783: checking for struct linger" >&5
 if eval "test \"`echo '$''{'scm_cv_struct_linger'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3774 "configure"
+#line 3788 "configure"
 #include "confdefs.h"
 
 #include <sys/types.h>
@@ -3779,7 +3793,7 @@ int main() {
 struct linger lgr;  lgr.l_linger = 100
 ; return 0; }
 EOF
-if { (eval echo configure:3783: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3797: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   scm_cv_struct_linger="yes"
 else
@@ -3806,19 +3820,19 @@ fi
 #--------------------------------------------------------------------
 
 echo $ac_n "checking how to set a stream file descriptor""... $ac_c" 1>&6
-echo "configure:3810: checking how to set a stream file descriptor" >&5
+echo "configure:3824: checking how to set a stream file descriptor" >&5
 if eval "test \"`echo '$''{'scm_cv_fd_setter'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3815 "configure"
+#line 3829 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 int main() {
 stdout->_file = 1
 ; return 0; }
 EOF
-if { (eval echo configure:3822: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3836: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   scm_cv_fd_setter="_file"
 else
@@ -3826,14 +3840,14 @@ else
   cat conftest.$ac_ext >&5
   rm -rf conftest*
   cat > conftest.$ac_ext <<EOF
-#line 3830 "configure"
+#line 3844 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 int main() {
 stdout->_fileno = 1
 ; return 0; }
 EOF
-if { (eval echo configure:3837: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3851: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   scm_cv_fd_setter="_fileno"
 else
@@ -3871,19 +3885,19 @@ fi
 #--------------------------------------------------------------------
 
 echo $ac_n "checking how to get buffer char count from FILE structure""... $ac_c" 1>&6
-echo "configure:3875: checking how to get buffer char count from FILE structure" >&5
+echo "configure:3889: checking how to get buffer char count from FILE structure" >&5
 if eval "test \"`echo '$''{'scm_cv_struct_file_count'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3880 "configure"
+#line 3894 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 int main() {
 FILE *f = stdin; f->_cnt = 0
 ; return 0; }
 EOF
-if { (eval echo configure:3887: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3901: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   scm_cv_struct_file_count="_cnt"
 else
@@ -3891,14 +3905,14 @@ else
   cat conftest.$ac_ext >&5
   rm -rf conftest*
   cat > conftest.$ac_ext <<EOF
-#line 3895 "configure"
+#line 3909 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 int main() {
 FILE *f = stdin; f->_r = 0
 ; return 0; }
 EOF
-if { (eval echo configure:3902: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3916: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   scm_cv_struct_file_count="_r"
 else
@@ -3906,14 +3920,14 @@ else
   cat conftest.$ac_ext >&5
   rm -rf conftest*
   cat > conftest.$ac_ext <<EOF
-#line 3910 "configure"
+#line 3924 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 int main() {
 FILE *f = stdin; f->readCount = 0
 ; return 0; }
 EOF
-if { (eval echo configure:3917: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3931: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   scm_cv_struct_file_count="readCount"
 else
@@ -3940,14 +3954,14 @@ if eval "test \"`echo '$''{'scm_cv_struct_file_gptr'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3944 "configure"
+#line 3958 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 int main() {
 FILE *f = stdin; f->_gptr = f->egptr;
 ; return 0; }
 EOF
-if { (eval echo configure:3951: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3965: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   scm_cv_struct_file_gptr=1
 else
@@ -3970,14 +3984,14 @@ if eval "test \"`echo '$''{'scm_cv_struct_file_readptr'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3974 "configure"
+#line 3988 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 int main() {
 FILE *f = stdin; f->_IO_read_ptr = f->_IO_read_end;
 ; return 0; }
 EOF
-if { (eval echo configure:3981: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3995: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   scm_cv_struct_file_readptr=1
 else
@@ -4007,7 +4021,7 @@ fi
 
 
 echo $ac_n "checking "threads package type"""... $ac_c" 1>&6
-echo "configure:4011: checking "threads package type"" >&5
+echo "configure:4025: checking "threads package type"" >&5
 if eval "test \"`echo '$''{'cy_cv_threads_package'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4066,7 +4080,7 @@ if test "$use_threads" != no; then
     LDFLAGS="-L$use_threads/lib"
     LIBS="-lgthreads -lmalloc"
     cat > conftest.$ac_ext <<EOF
-#line 4070 "configure"
+#line 4084 "configure"
 #include "confdefs.h"
 #include <pthread.h>
 int main() {
@@ -4075,7 +4089,7 @@ pthread_equal(NULL,NULL);
 
 ; return 0; }
 EOF
-if { (eval echo configure:4079: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:4093: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   threads_package=FSU
 else
@@ -4087,7 +4101,7 @@ rm -f conftest*
   if test "$threads_package" = unknown; then
     LIBS="-lpthread"
     cat > conftest.$ac_ext <<EOF
-#line 4091 "configure"
+#line 4105 "configure"
 #include "confdefs.h"
 #include <pthread.h>
 int main() {
@@ -4096,7 +4110,7 @@ pthread_equal(NULL,NULL);
 
 ; return 0; }
 EOF
-if { (eval echo configure:4100: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:4114: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   threads_package=MIT
 else
@@ -4108,7 +4122,7 @@ rm -f conftest*
   if test "$threads_package" = unknown; then
     LIBS="-lpthreads"
     cat > conftest.$ac_ext <<EOF
-#line 4112 "configure"
+#line 4126 "configure"
 #include "confdefs.h"
 #include <pthread.h>
 int main() {
@@ -4117,7 +4131,7 @@ pthread_equal(NULL,NULL);
 
 ; return 0; }
 EOF
-if { (eval echo configure:4121: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:4135: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   threads_package=PCthreads
 else
@@ -4213,7 +4227,7 @@ do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4217: checking for $ac_word" >&5
+echo "configure:4231: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_AWK'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4272,7 +4286,7 @@ else { echo "configure: error: can not run $ac_config_sub" 1>&2; exit 1; }
 fi
 
 echo $ac_n "checking host system type""... $ac_c" 1>&6
-echo "configure:4276: checking host system type" >&5
+echo "configure:4290: checking host system type" >&5
 
 host_alias=$host
 case "$host_alias" in
diff --git a/configure.in b/configure.in
index bae586554..c63130b0b 100644
--- a/configure.in
+++ b/configure.in
@@ -92,7 +92,7 @@ fi
 
 GUILE_DLSYM_USCORE
 
-AC_CHECK_FUNCS(ctermid ftime getcwd geteuid gethostent gettimeofday lstat mkdir mknod nice readlink rename rmdir select setegid seteuid setlocale setpgid setsid sigaction strftime strptime symlink sync tcgetpgrp tcsetpgrp times uname waitpid bzero)
+AC_CHECK_FUNCS(ctermid ftime getcwd geteuid gethostent gettimeofday lstat mkdir mknod nice readlink rename rmdir select setegid seteuid setlocale setpgid setsid sigaction strftime strptime symlink sync tcgetpgrp tcsetpgrp times uname waitpid bzero system)
 
 dnl <GNU-WIN32 hacks>
 
diff --git a/ice-9/Makefile.in b/ice-9/Makefile.in
index 148c6c8a3..b8c92cbae 100644
--- a/ice-9/Makefile.in
+++ b/ice-9/Makefile.in
@@ -1,4 +1,4 @@
-# Makefile.in generated automatically by automake 1.2c from Makefile.am
+# Makefile.in generated automatically by automake 1.2d from Makefile.am
 
 # Copyright (C) 1994, 1995, 1996, 1997 Free Software Foundation, Inc.
 # This Makefile.in is free software; the Free Software Foundation
@@ -49,12 +49,12 @@ INSTALL_DATA = @INSTALL_DATA@
 INSTALL_SCRIPT = @INSTALL_SCRIPT@
 transform = @program_transform_name@
 
-NORMAL_INSTALL = true
-PRE_INSTALL = true
-POST_INSTALL = true
-NORMAL_UNINSTALL = true
-PRE_UNINSTALL = true
-POST_UNINSTALL = true
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
 host_alias = @host_alias@
 host_triplet = @host@
 AWK = @AWK@
@@ -145,14 +145,15 @@ uninstall-subpkgdataDATA:
 
 tags: TAGS
 
-ID: $(HEADERS) $(SOURCES)
-	here=`pwd` && cd $(srcdir) && mkid -f$$here/ID $(SOURCES) $(HEADERS)
+ID: $(HEADERS) $(SOURCES) $(LISP)
+	here=`pwd` && cd $(srcdir) \
+	  && mkid -f$$here/ID $(SOURCES) $(HEADERS) $(LISP)
 
-TAGS:  $(HEADERS) $(SOURCES)  $(TAGS_DEPENDENCIES)
+TAGS:  $(HEADERS) $(SOURCES)  $(TAGS_DEPENDENCIES) $(LISP)
 	tags=; \
 	here=`pwd`; \
-	test -z "$(ETAGS_ARGS)$(SOURCES)$(HEADERS)$$tags" \
-	  || (cd $(srcdir) && etags $(ETAGS_ARGS) $$tags  $(SOURCES) $(HEADERS) -o $$here/TAGS)
+	test -z "$(ETAGS_ARGS)$(SOURCES)$(HEADERS)$(LISP)$$tags" \
+	  || (cd $(srcdir) && etags $(ETAGS_ARGS) $$tags  $(SOURCES) $(HEADERS) $(LISP) -o $$here/TAGS)
 
 mostlyclean-tags:
 
diff --git a/libguile/ChangeLog b/libguile/ChangeLog
index db07f23c0..4c8aa3395 100644
--- a/libguile/ChangeLog
+++ b/libguile/ChangeLog
@@ -1,3 +1,14 @@
+Sun Dec  7 01:43:56 1997  Gary Houston  <ghouston@actrix.gen.nz>
+
+	* simpos.c (scm_system): always define: use sysmissing if not
+	available.  Check for HAVE_SYSTEM instead of _Windows (does
+	Windows lack system or does it have an unusable one?).
+	Check for error conditions -1 and 127.  Use SCM_DEFER_INTS.
+	Let the argument be optional: if not supplied, call system(NULL).
+
+	* ports.c (scm_close_port): relax the type check from OPPORTP to
+	PORTP; closing a closed port is allowed.
+
 1997-12-04  Tim Pierce  <twp@ppp39.Nantucket.net>
 
 	* fports.c (scm_fgets): Return if the last char in a chunk is
diff --git a/libguile/Makefile.in b/libguile/Makefile.in
index 74e3e65ba..660b13b73 100644
--- a/libguile/Makefile.in
+++ b/libguile/Makefile.in
@@ -1,4 +1,4 @@
-# Makefile.in generated automatically by automake 1.2c from Makefile.am
+# Makefile.in generated automatically by automake 1.2d from Makefile.am
 
 # Copyright (C) 1994, 1995, 1996, 1997 Free Software Foundation, Inc.
 # This Makefile.in is free software; the Free Software Foundation
@@ -49,12 +49,12 @@ INSTALL_DATA = @INSTALL_DATA@
 INSTALL_SCRIPT = @INSTALL_SCRIPT@
 transform = @program_transform_name@
 
-NORMAL_INSTALL = true
-PRE_INSTALL = true
-POST_INSTALL = true
-NORMAL_UNINSTALL = true
-PRE_UNINSTALL = true
-POST_UNINSTALL = true
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
 host_alias = @host_alias@
 host_triplet = @host@
 AWK = @AWK@
@@ -245,7 +245,7 @@ OBJECTS = $(libguile_la_OBJECTS) $(guile_OBJECTS) $(gh_test_c_OBJECTS) $(gh_test
 default: all
 
 .SUFFIXES:
-.SUFFIXES: .c .lo .o .x
+.SUFFIXES: .S .c .lo .o .s .x
 $(srcdir)/Makefile.in: @MAINT@ Makefile.am $(top_srcdir)/configure.in $(ACLOCAL_M4) 
 	cd $(top_srcdir) && $(AUTOMAKE) --foreign libguile/Makefile
 
@@ -291,8 +291,8 @@ install-libLTLIBRARIES: $(lib_LTLIBRARIES)
 	$(mkinstalldirs) $(libdir)
 	@list='$(lib_LTLIBRARIES)'; for p in $$list; do \
 	  if test -f $$p; then \
-	    echo "$(LIBTOOL)  --mode=install $(INSTALL_PROGRAM) $$p $(libdir)/$$p"; \
-	    $(LIBTOOL)  --mode=install $(INSTALL_PROGRAM) $$p $(libdir)/$$p; \
+	    echo "$(LIBTOOL)  --mode=install $(INSTALL_DATA) $$p $(libdir)/$$p"; \
+	    $(LIBTOOL)  --mode=install $(INSTALL_DATA) $$p $(libdir)/$$p; \
 	  else :; fi; \
 	done
 
@@ -305,6 +305,12 @@ uninstall-libLTLIBRARIES:
 .c.o:
 	$(COMPILE) -c $<
 
+.s.o:
+	$(COMPILE) -c $<
+
+.S.o:
+	$(COMPILE) -c $<
+
 mostlyclean-compile:
 	-rm -f *.o core
 
@@ -318,11 +324,17 @@ maintainer-clean-compile:
 .c.lo:
 	$(LIBTOOL) --mode=compile $(COMPILE) -c $<
 
+.s.lo:
+	$(LIBTOOL) --mode=compile $(COMPILE) -c $<
+
+.S.lo:
+	$(LIBTOOL) --mode=compile $(COMPILE) -c $<
+
 mostlyclean-libtool:
 	-rm -f *.lo
 
 clean-libtool:
-	-rm -rf .libs
+	-rm -rf .libs _libs
 
 distclean-libtool:
 
@@ -459,14 +471,15 @@ uninstall-pkgincludeHEADERS:
 
 tags: TAGS
 
-ID: $(HEADERS) $(SOURCES)
-	here=`pwd` && cd $(srcdir) && mkid -f$$here/ID $(SOURCES) $(HEADERS)
+ID: $(HEADERS) $(SOURCES) $(LISP)
+	here=`pwd` && cd $(srcdir) \
+	  && mkid -f$$here/ID $(SOURCES) $(HEADERS) $(LISP)
 
-TAGS:  $(HEADERS) $(SOURCES) scmconfig.h.in $(TAGS_DEPENDENCIES)
+TAGS:  $(HEADERS) $(SOURCES) scmconfig.h.in $(TAGS_DEPENDENCIES) $(LISP)
 	tags=; \
 	here=`pwd`; \
-	test -z "$(ETAGS_ARGS)scmconfig.h.in$(SOURCES)$(HEADERS)$$tags" \
-	  || (cd $(srcdir) && etags $(ETAGS_ARGS) $$tags scmconfig.h.in $(SOURCES) $(HEADERS) -o $$here/TAGS)
+	test -z "$(ETAGS_ARGS)scmconfig.h.in$(SOURCES)$(HEADERS)$(LISP)$$tags" \
+	  || (cd $(srcdir) && etags $(ETAGS_ARGS) $$tags scmconfig.h.in $(SOURCES) $(HEADERS) $(LISP) -o $$here/TAGS)
 
 mostlyclean-tags:
 
diff --git a/libguile/ports.c b/libguile/ports.c
index 49224beb4..4cc5e8b1c 100644
--- a/libguile/ports.c
+++ b/libguile/ports.c
@@ -418,7 +418,7 @@ scm_close_port (port)
 
   port = SCM_COERCE_OUTPORT (port);
 
-  SCM_ASSERT (SCM_NIMP (port) && SCM_OPPORTP (port), port, SCM_ARG1,
+  SCM_ASSERT (SCM_NIMP (port) && SCM_PORTP (port), port, SCM_ARG1,
 	      s_close_port);
   if (SCM_CLOSEDP (port))
     return SCM_BOOL_F;
diff --git a/libguile/scmconfig.h.in b/libguile/scmconfig.h.in
index 1d1073ad3..68b517a1b 100644
--- a/libguile/scmconfig.h.in
+++ b/libguile/scmconfig.h.in
@@ -314,6 +314,9 @@
 /* Define if you have the sync function.  */
 #undef HAVE_SYNC
 
+/* Define if you have the system function.  */
+#undef HAVE_SYSTEM
+
 /* Define if you have the tcgetpgrp function.  */
 #undef HAVE_TCGETPGRP
 
diff --git a/libguile/simpos.c b/libguile/simpos.c
index d9e8b9049..93a641ba6 100644
--- a/libguile/simpos.c
+++ b/libguile/simpos.c
@@ -57,24 +57,38 @@
 extern int system();
 
 
-#ifndef _Windows
-SCM_PROC(s_system, "system", 1, 0, 0, scm_system);
+SCM_PROC(s_system, "system", 0, 1, 0, scm_system);
 
 SCM
 scm_system(cmd)
      SCM cmd;
 {
+  int rv;
+
+  if (SCM_UNBNDP (cmd))
+    {
+#ifdef HAVE_SYSTEM
+      rv = system (NULL);
+#else
+      rv = 0;
+#endif
+      return rv ? SCM_BOOL_T : SCM_BOOL_F;
+    }
   SCM_ASSERT(SCM_NIMP(cmd) && SCM_ROSTRINGP(cmd), cmd, SCM_ARG1, s_system);
+#ifdef HAVE_SYSTEM
+  SCM_DEFER_INTS;
+  errno = 0;
   if (SCM_ROSTRINGP (cmd))
     cmd = scm_makfromstr (SCM_ROCHARS (cmd), SCM_ROLENGTH (cmd), 0);
-# ifdef AZTEC_C
-  cmd = SCM_MAKINUM(Execute(SCM_ROCHARS(cmd), 0, 0));
-# else
-  cmd = SCM_MAKINUM(0L+system(SCM_ROCHARS(cmd)));
-# endif
-  return cmd;
-}
+  rv = system(SCM_ROCHARS(cmd));
+  if (rv == -1 || (rv == 127 && errno != 0))
+    scm_syserror (s_system);
+  SCM_ALLOW_INTS;
+  return SCM_MAKINUM (rv);
+#else
+  scm_sysmissing (s_system);
 #endif
+}
 
 extern char *getenv();
 SCM_PROC (s_getenv, "getenv", 1, 0, 0, scm_getenv);
diff --git a/qt/Makefile.in b/qt/Makefile.in
index 989656022..b8b304949 100644
--- a/qt/Makefile.in
+++ b/qt/Makefile.in
@@ -1,4 +1,4 @@
-# Makefile.in generated automatically by automake 1.2c from Makefile.am
+# Makefile.in generated automatically by automake 1.2d from Makefile.am
 
 # Copyright (C) 1994, 1995, 1996, 1997 Free Software Foundation, Inc.
 # This Makefile.in is free software; the Free Software Foundation
@@ -49,12 +49,12 @@ INSTALL_DATA = @INSTALL_DATA@
 INSTALL_SCRIPT = @INSTALL_SCRIPT@
 transform = @program_transform_name@
 
-NORMAL_INSTALL = true
-PRE_INSTALL = true
-POST_INSTALL = true
-NORMAL_UNINSTALL = true
-PRE_UNINSTALL = true
-POST_UNINSTALL = true
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
 host_alias = @host_alias@
 host_triplet = @host@
 AWK = @AWK@
@@ -126,7 +126,7 @@ OBJECTS = $(libqthreads_a_OBJECTS)
 default: all
 
 .SUFFIXES:
-.SUFFIXES: .c .lo .o
+.SUFFIXES: .S .c .lo .o .s
 $(srcdir)/Makefile.in: @MAINT@ Makefile.am $(top_srcdir)/configure.in $(ACLOCAL_M4) 
 	cd $(top_srcdir) && $(AUTOMAKE) --foreign qt/Makefile
 
@@ -172,6 +172,12 @@ uninstall-libLIBRARIES:
 .c.o:
 	$(COMPILE) -c $<
 
+.s.o:
+	$(COMPILE) -c $<
+
+.S.o:
+	$(COMPILE) -c $<
+
 mostlyclean-compile:
 	-rm -f *.o core
 
@@ -185,11 +191,17 @@ maintainer-clean-compile:
 .c.lo:
 	$(LIBTOOL) --mode=compile $(COMPILE) -c $<
 
+.s.lo:
+	$(LIBTOOL) --mode=compile $(COMPILE) -c $<
+
+.S.lo:
+	$(LIBTOOL) --mode=compile $(COMPILE) -c $<
+
 mostlyclean-libtool:
 	-rm -f *.lo
 
 clean-libtool:
-	-rm -rf .libs
+	-rm -rf .libs _libs
 
 distclean-libtool:
 
@@ -213,7 +225,7 @@ all-recursive install-data-recursive install-exec-recursive \
 installdirs-recursive install-recursive uninstall-recursive  \
 check-recursive installcheck-recursive info-recursive dvi-recursive:
 	@set fnord $(MAKEFLAGS); amf=$$2; \
-	for subdir in $(SUBDIRS); do \
+	list='$(SUBDIRS)'; for subdir in $$list; do \
 	  target=`echo $@ | sed s/-recursive//`; \
 	  echo "Making $$target in $$subdir"; \
 	  (cd $$subdir && $(MAKE) $$target) \
@@ -223,7 +235,9 @@ check-recursive installcheck-recursive info-recursive dvi-recursive:
 mostlyclean-recursive clean-recursive distclean-recursive \
 maintainer-clean-recursive:
 	@set fnord $(MAKEFLAGS); amf=$$2; \
-	rev=''; for subdir in $(SUBDIRS); do rev="$$subdir $$rev"; done; \
+	rev=''; list='$(SUBDIRS)'; for subdir in $$list; do \
+	  rev="$$subdir $$rev"; \
+	done; \
 	for subdir in $$rev; do \
 	  target=`echo $@ | sed s/-recursive//`; \
 	  echo "Making $$target in $$subdir"; \
@@ -237,17 +251,18 @@ tags-recursive:
 
 tags: TAGS
 
-ID: $(HEADERS) $(SOURCES)
-	here=`pwd` && cd $(srcdir) && mkid -f$$here/ID $(SOURCES) $(HEADERS)
+ID: $(HEADERS) $(SOURCES) $(LISP)
+	here=`pwd` && cd $(srcdir) \
+	  && mkid -f$$here/ID $(SOURCES) $(HEADERS) $(LISP)
 
-TAGS: tags-recursive $(HEADERS) $(SOURCES)  $(TAGS_DEPENDENCIES)
+TAGS: tags-recursive $(HEADERS) $(SOURCES)  $(TAGS_DEPENDENCIES) $(LISP)
 	tags=; \
 	here=`pwd`; \
 	list='$(SUBDIRS)'; for subdir in $$list; do \
 	  test -f $$subdir/TAGS && tags="$$tags -i $$here/$$subdir/TAGS"; \
 	done; \
-	test -z "$(ETAGS_ARGS)$(SOURCES)$(HEADERS)$$tags" \
-	  || (cd $(srcdir) && etags $(ETAGS_ARGS) $$tags  $(SOURCES) $(HEADERS) -o $$here/TAGS)
+	test -z "$(ETAGS_ARGS)$(SOURCES)$(HEADERS)$(LISP)$$tags" \
+	  || (cd $(srcdir) && etags $(ETAGS_ARGS) $$tags  $(SOURCES) $(HEADERS) $(LISP) -o $$here/TAGS)
 
 mostlyclean-tags:
 
diff --git a/qt/md/Makefile.in b/qt/md/Makefile.in
index 0abeb315f..5d94575d9 100644
--- a/qt/md/Makefile.in
+++ b/qt/md/Makefile.in
@@ -1,4 +1,4 @@
-# Makefile.in generated automatically by automake 1.2c from Makefile.am
+# Makefile.in generated automatically by automake 1.2d from Makefile.am
 
 # Copyright (C) 1994, 1995, 1996, 1997 Free Software Foundation, Inc.
 # This Makefile.in is free software; the Free Software Foundation
@@ -49,12 +49,12 @@ INSTALL_DATA = @INSTALL_DATA@
 INSTALL_SCRIPT = @INSTALL_SCRIPT@
 transform = @program_transform_name@
 
-NORMAL_INSTALL = true
-PRE_INSTALL = true
-POST_INSTALL = true
-NORMAL_UNINSTALL = true
-PRE_UNINSTALL = true
-POST_UNINSTALL = true
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
 host_alias = @host_alias@
 host_triplet = @host@
 AWK = @AWK@
diff --git a/qt/time/Makefile.in b/qt/time/Makefile.in
index 313e973c5..3b4bd9282 100644
--- a/qt/time/Makefile.in
+++ b/qt/time/Makefile.in
@@ -1,4 +1,4 @@
-# Makefile.in generated automatically by automake 1.2c from Makefile.am
+# Makefile.in generated automatically by automake 1.2d from Makefile.am
 
 # Copyright (C) 1994, 1995, 1996, 1997 Free Software Foundation, Inc.
 # This Makefile.in is free software; the Free Software Foundation
@@ -49,12 +49,12 @@ INSTALL_DATA = @INSTALL_DATA@
 INSTALL_SCRIPT = @INSTALL_SCRIPT@
 transform = @program_transform_name@
 
-NORMAL_INSTALL = true
-PRE_INSTALL = true
-POST_INSTALL = true
-NORMAL_UNINSTALL = true
-PRE_UNINSTALL = true
-POST_UNINSTALL = true
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
 host_alias = @host_alias@
 host_triplet = @host@
 AWK = @AWK@