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Clean up thread configuration.

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* qthreads.m4: New file, which knows how to configure the qthreads
library.
* configure.in: Replace all thread package selection code.  Do the
--with-threads argument processing here.  Enable the appropriate
thread interface files in libguile.  Remove all qthreads
configuration code; call QTHREADS_CONFIGURE instead.  Set
GUILE_LIBS using the info provided by QTHREADS_CONFIGURE.
* threads.m4: Removed; not used any more.
* Makefile.am (aclocal_DATA): Mention qthreads.m4, not threads.m4.
* Makefile.in, aclocal.m4, configure: Rgnrtd.  (Sv th vwls!)
Note that these were regenerated with the tools available from
Cygnus's source tree, which have patches not available to the
general public.  I'm not sure this was a good idea; feel free to
revert them to the latest released versions of the tools.
This commit is contained in:
Jim Blandy 1998-07-27 01:00:40 +00:00
parent c789ad32a7
commit 539c89a1ca
7 changed files with 975 additions and 774 deletions
Download patch file Download diff file Expand all files Collapse all files

2
Makefile.am
View file

@ -5,7 +5,7 @@ SUBDIRS = ice-9 qt libguile build
## FIXME: in the future there will be direct automake support for ## FIXME: in the future there will be direct automake support for
## doing this. When that happens, switch over. ## doing this. When that happens, switch over.
aclocaldir = $(datadir)/aclocal aclocaldir = $(datadir)/aclocal
aclocal_DATA = guile.m4 threads.m4 aclocal_DATA = guile.m4 qthreads.m4
EXTRA_DIST = $(aclocal_DATA) ltconfig ltmain.sh acconfig.h \ EXTRA_DIST = $(aclocal_DATA) ltconfig ltmain.sh acconfig.h \
HACKING GUILE-VERSION HACKING GUILE-VERSION

17
Makefile.in
View file

@ -11,7 +11,7 @@
# PARTICULAR PURPOSE. # PARTICULAR PURPOSE.
SHELL = /bin/sh SHELL = @SHELL@
srcdir = @srcdir@ srcdir = @srcdir@
top_srcdir = @top_srcdir@ top_srcdir = @top_srcdir@
@ -59,9 +59,11 @@ PRE_UNINSTALL = :
POST_UNINSTALL = : POST_UNINSTALL = :
host_alias = @host_alias@ host_alias = @host_alias@
host_triplet = @host@ host_triplet = @host@
AS = @AS@
AWK = @AWK@ AWK = @AWK@
CC = @CC@ CC = @CC@
CPP = @CPP@ CPP = @CPP@
DLLTOOL = @DLLTOOL@
GUILE_LIBS = @GUILE_LIBS@ GUILE_LIBS = @GUILE_LIBS@
GUILE_MAJOR_VERSION = @GUILE_MAJOR_VERSION@ GUILE_MAJOR_VERSION = @GUILE_MAJOR_VERSION@
GUILE_MINOR_VERSION = @GUILE_MINOR_VERSION@ GUILE_MINOR_VERSION = @GUILE_MINOR_VERSION@
@ -76,21 +78,22 @@ MAKEINFO = @MAKEINFO@
NM = @NM@ NM = @NM@
PACKAGE = @PACKAGE@ PACKAGE = @PACKAGE@
PROG_HOSTNAME = @PROG_HOSTNAME@ PROG_HOSTNAME = @PROG_HOSTNAME@
QTHREAD_LTLIBS = @QTHREAD_LTLIBS@
RANLIB = @RANLIB@ RANLIB = @RANLIB@
THREAD_LIBS = @THREAD_LIBS@ THREAD_CPPFLAGS = @THREAD_CPPFLAGS@
THREAD_LIBS_INSTALLED = @THREAD_LIBS_INSTALLED@
THREAD_LIBS_LOCAL = @THREAD_LIBS_LOCAL@
THREAD_PACKAGE = @THREAD_PACKAGE@
VERSION = @VERSION@ VERSION = @VERSION@
qtdmdb_s = @qtdmdb_s@
qtmd_h = @qtmd_h@ qtmd_h = @qtmd_h@
qtmdb_s = @qtmdb_s@
qtmdc_c = @qtmdc_c@ qtmdc_c = @qtmdc_c@
qtmdc_o = @qtmdc_o@
qtmds_o = @qtmds_o@
qtmds_s = @qtmds_s@ qtmds_s = @qtmds_s@
target_libs = @target_libs@
SUBDIRS = ice-9 qt libguile build SUBDIRS = ice-9 qt libguile build
aclocaldir = $(datadir)/aclocal aclocaldir = $(datadir)/aclocal
aclocal_DATA = guile.m4 threads.m4 aclocal_DATA = guile.m4 qthreads.m4
EXTRA_DIST = $(aclocal_DATA) ltconfig ltmain.sh acconfig.h \ EXTRA_DIST = $(aclocal_DATA) ltconfig ltmain.sh acconfig.h \
HACKING GUILE-VERSION HACKING GUILE-VERSION

253
aclocal.m4 vendored
View file

@ -302,11 +302,12 @@ done<<>>dnl>>)
changequote([,]))]) changequote([,]))])
# serial 24 AM_PROG_LIBTOOL # serial 25 AM_PROG_LIBTOOL
AC_DEFUN(AM_PROG_LIBTOOL, AC_DEFUN(AM_PROG_LIBTOOL,
[AC_REQUIRE([AM_ENABLE_SHARED])dnl [AC_REQUIRE([AM_ENABLE_SHARED])dnl
AC_REQUIRE([AM_ENABLE_STATIC])dnl AC_REQUIRE([AM_ENABLE_STATIC])dnl
AC_REQUIRE([AC_CANONICAL_HOST])dnl AC_REQUIRE([AC_CANONICAL_HOST])dnl
AC_REQUIRE([AC_CANONICAL_BUILD])dnl
AC_REQUIRE([AC_PROG_RANLIB])dnl AC_REQUIRE([AC_PROG_RANLIB])dnl
AC_REQUIRE([AC_PROG_CC])dnl AC_REQUIRE([AC_PROG_CC])dnl
AC_REQUIRE([AM_PROG_LD])dnl AC_REQUIRE([AM_PROG_LD])dnl
@ -351,14 +352,24 @@ case "$host" in
# On SCO OpenServer 5, we need -belf to get full-featured binaries. # On SCO OpenServer 5, we need -belf to get full-featured binaries.
CFLAGS="$CFLAGS -belf" CFLAGS="$CFLAGS -belf"
;; ;;
*-*-cygwin32*)
AM_SYS_LIBTOOL_CYGWIN32
;;
esac esac
# Actually configure libtool. ac_aux_dir is where install-sh is found. # Actually configure libtool. ac_aux_dir is where install-sh is found.
CC="$CC" CFLAGS="$CFLAGS" CPPFLAGS="$CPPFLAGS" \ CC="$CC" CFLAGS="$CFLAGS" CPPFLAGS="$CPPFLAGS" \
LD="$LD" NM="$NM" RANLIB="$RANLIB" LN_S="$LN_S" \ LD="$LD" NM="$NM" RANLIB="$RANLIB" LN_S="$LN_S" \
${CONFIG_SHELL-/bin/sh} $ac_aux_dir/ltconfig \ DLLTOOL="$DLLTOOL" AS="$AS" \
${CONFIG_SHELL-/bin/sh} $ac_aux_dir/ltconfig --no-reexec \
$libtool_flags --no-verify $ac_aux_dir/ltmain.sh $host \ $libtool_flags --no-verify $ac_aux_dir/ltmain.sh $host \
|| AC_MSG_ERROR([libtool configure failed]) || AC_MSG_ERROR([libtool configure failed])
# Redirect the config.log output again, so that the ltconfig log is not
# clobbered by the next message.
exec 5>>./config.log
]) ])
# AM_ENABLE_SHARED - implement the --enable-shared flag # AM_ENABLE_SHARED - implement the --enable-shared flag
@ -369,10 +380,8 @@ AC_DEFUN(AM_ENABLE_SHARED,
[define([AM_ENABLE_SHARED_DEFAULT], ifelse($1, no, no, yes))dnl [define([AM_ENABLE_SHARED_DEFAULT], ifelse($1, no, no, yes))dnl
AC_ARG_ENABLE(shared, AC_ARG_ENABLE(shared,
changequote(<<, >>)dnl changequote(<<, >>)dnl
<< --enable-shared build shared libraries [default=>>AM_ENABLE_SHARED_DEFAULT] << --enable-shared[=PKGS] build shared libraries [default=>>AM_ENABLE_SHARED_DEFAULT],
changequote([, ])dnl changequote([, ])dnl
[ --enable-shared=PKGS only build shared libraries if the current package
appears as an element in the PKGS list],
[p=${PACKAGE-default} [p=${PACKAGE-default}
case "$enableval" in case "$enableval" in
yes) enable_shared=yes ;; yes) enable_shared=yes ;;
@ -408,10 +417,8 @@ AC_DEFUN(AM_ENABLE_STATIC,
[define([AM_ENABLE_STATIC_DEFAULT], ifelse($1, no, no, yes))dnl [define([AM_ENABLE_STATIC_DEFAULT], ifelse($1, no, no, yes))dnl
AC_ARG_ENABLE(static, AC_ARG_ENABLE(static,
changequote(<<, >>)dnl changequote(<<, >>)dnl
<< --enable-static build static libraries [default=>>AM_ENABLE_STATIC_DEFAULT] << --enable-static[=PKGS] build static libraries [default=>>AM_ENABLE_STATIC_DEFAULT],
changequote([, ])dnl changequote([, ])dnl
[ --enable-static=PKGS only build shared libraries if the current package
appears as an element in the PKGS list],
[p=${PACKAGE-default} [p=${PACKAGE-default}
case "$enableval" in case "$enableval" in
yes) enable_static=yes ;; yes) enable_static=yes ;;
@ -445,7 +452,9 @@ if test "$ac_cv_prog_gcc" = yes; then
ac_prog=`($CC -print-prog-name=ld) 2>&5` ac_prog=`($CC -print-prog-name=ld) 2>&5`
case "$ac_prog" in case "$ac_prog" in
# Accept absolute paths. # Accept absolute paths.
changequote(,)dnl
/* | [A-Za-z]:\\*) /* | [A-Za-z]:\\*)
changequote([,])dnl
test -z "$LD" && LD="$ac_prog" test -z "$LD" && LD="$ac_prog"
;; ;;
"") "")
@ -508,11 +517,10 @@ fi])
AC_DEFUN(AM_PROG_NM, AC_DEFUN(AM_PROG_NM,
[AC_MSG_CHECKING([for BSD-compatible nm]) [AC_MSG_CHECKING([for BSD-compatible nm])
AC_CACHE_VAL(ac_cv_path_NM, AC_CACHE_VAL(ac_cv_path_NM,
[case "$NM" in [if test -n "$NM"; then
/* | [A-Za-z]:\\*) # Let the user override the test.
ac_cv_path_NM="$NM" # Let the user override the test with a path. ac_cv_path_NM="$NM"
;; else
*)
IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:" IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:"
for ac_dir in /usr/ucb /usr/ccs/bin $PATH /bin; do for ac_dir in /usr/ucb /usr/ccs/bin $PATH /bin; do
test -z "$ac_dir" && ac_dir=. test -z "$ac_dir" && ac_dir=.
@ -532,112 +540,137 @@ AC_CACHE_VAL(ac_cv_path_NM,
done done
IFS="$ac_save_ifs" IFS="$ac_save_ifs"
test -z "$ac_cv_path_NM" && ac_cv_path_NM=nm test -z "$ac_cv_path_NM" && ac_cv_path_NM=nm
;; fi])
esac])
NM="$ac_cv_path_NM" NM="$ac_cv_path_NM"
AC_MSG_RESULT([$NM]) AC_MSG_RESULT([$NM])
AC_SUBST(NM) AC_SUBST(NM)
]) ])
dnl # AM_SYS_LIBTOOL_CYGWIN32 - find tools needed on cygwin32
dnl CY_AC_WITH_THREADS determines which thread library the user intends AC_DEFUN(AM_SYS_LIBTOOL_CYGWIN32,
dnl to put underneath guile. Pass it the path to find the guile top-level [AC_CHECK_TOOL(DLLTOOL, dlltool, false)
dnl source directory. Eg CY_AC_WITH_THREADS(../..) for tcl/unix. AC_CHECK_TOOL(AS, as, false)
dnl ])
AC_DEFUN([CY_AC_WITH_THREADS],[ dnl Autoconf macros for configuring the QuickThreads package
AC_CACHE_CHECK("threads package type",cy_cv_threads_package,[
AC_CACHE_VAL(cy_cv_threads_cflags,[ dnl QTHREADS_CONFIGURE configures the QuickThreads package. The QT
AC_CACHE_VAL(cy_cv_threads_libs,[ dnl sources should be in $srcdir/qt. If configuration succeeds, this
use_threads=no; dnl macro creates the appropriate symlinks in the qt object directory,
AC_ARG_WITH(threads,[ --with-threads thread interface], dnl and sets the following variables, used in building libqthreads.a:
use_threads=$withval, use_threads=no) dnl QTHREAD_LTLIBS --- set to libqthreads.la if configuration
test -n "$use_threads" || use_threads=qt dnl succeeds, or the empty string if configuration fails.
threads_package=unknown dnl qtmd_h --- the name of the machine-dependent header file.
if test "$use_threads" != no; then
dnl dnl
dnl Test for the qt threads package - used for cooperative threads dnl It also sets the following variables, which describe how clients
dnl This may not necessarily be built yet - so just check for the dnl can link against libqthreads.a:
dnl header files. dnl THREAD_PACKAGE --- set to "QT" if configuration succeeds, or
dnl the empty string if configuration fails.
dnl THREAD_CPPFLAGS --- set to `-I' flags for thread header files
dnl THREAD_LIBS_LOCAL --- linker options for use in this source tree
dnl THREAD_LIBS_INSTALLED --- linker options for use after this package
dnl is installed
dnl It would be nice if all thread configuration packages for Guile
dnl followed the same conventions.
dnl dnl
if test "$use_threads" = yes || test "$use_threads" = qt; then dnl All of the above variables will be substituted into Makefiles in
# Look for qt in source directory. dnl the usual autoconf fashion.
if test -f $srcdir/qt/qt.c; then dnl
dnl We distinguish between THREAD_LIBS_LOCAL and
dnl THREAD_LIBS_INSTALLED because the thread library might be in
dnl this tree, and be built using libtool. This means that:
dnl 1) when building other executables in this tree, one must
dnl pass the relative path to the ../libfoo.la file, but
dnl 2) once the whole package has been installed, users should
dnl link using -lfoo.
dnl Normally, we only care about the first case, but since the
dnl build-guile script needs to give users all the flags they need
dnl to link programs against guile, the GUILE_WITH_THREADS macro
dnl needs to supply the second piece of information as well.
dnl
dnl This whole thing is a little confused about what ought to be
dnl done in the top-level configure script, and what ought to be
dnl taken care of in the subdirectory. For example, qtmdc_lo and
dnl friends really ought not to be even mentioned in the top-level
dnl configure script, but here they are.
AC_DEFUN([QTHREADS_CONFIGURE],[
# For some reason, AC_REQUIRE doesn't seem to work with the aclocal
# program. So we'll just do this runtime check.
if test "${LN_S}" = ""; then
f=''
AC_MSG_ERROR(The QTHREADS${f}_CONFIGURE macro requires A${f}C_PROG_LN_S)
fi
# How can we refer to the qt source directory from within the qt build
# directory? For headers, we can rely on the fact that the qt src
# directory appears in the #include path.
qtsrcdir="`(cd $srcdir; pwd)`/qt" qtsrcdir="`(cd $srcdir; pwd)`/qt"
threads_package=COOP
cy_cv_threads_cflags="-I$qtsrcdir -I../qt" changequote(,)dnl We use [ and ] in a regexp in the case
cy_cv_threads_libs="../qt/libqthreads.a"
THREAD_PACKAGE=QT
case "$host" in
i[3456]86-*-*)
qtmd_h=md/i386.h
qtmds_s=md/i386.s
qtmdc_c=md/null.c
qtdmdb_s=
;;
mips-sgi-irix[56]*)
qtmd_h=md/mips.h
qtmds_s=md/mips-irix5.s
qtmdc_c=md/null.c
qtdmdb_s=md/mips_b.s
;;
mips-*-*)
qtmd_h=md/mips.h
qtmds_s=md/mips.s
qtmdc_c=md/null.c
qtdmdb_s=md/mips_b.s
;;
sparc-*-sunos*)
qtmd_h=md/sparc.h
qtmds_s=md/_sparc.s
qtmdc_c=md/null.c
qtdmdb_s=md/_sparc_b.s
;;
sparc-*-*)
qtmd_h=md/sparc.h
qtmds_s=md/sparc.s
qtmdc_c=md/null.c
qtdmdb_s=md/sparc_b.s
;;
alpha-*-*)
qtmd_h=md/axp.h
qtmds_s=md/axp.s
qtmdc_c=md/null.c
qtdmdb_s=md/axp_b.s
;;
*)
echo "Unknown configuration; threads package disabled"
THREAD_PACKAGE=""
;;
esac
changequote([, ])
# Did configuration succeed?
if test -n "$THREAD_PACKAGE"; then
QTHREAD_LTLIBS=libqthreads.la
THREAD_CPPFLAGS="-I$qtsrcdir -I../qt"
THREAD_LIBS_LOCAL="../qt/libqthreads.la"
THREAD_LIBS_INSTALLED="-lqthreads"
fi fi
else
if test -f $use_threads/qt.c; then AC_SUBST(QTHREAD_LTLIBS)
# FIXME seems as though we should try to use an installed qt here. AC_SUBST(qtmd_h)
threads_package=COOP AC_SUBST(qtmds_s)
cy_cv_threads_cflags="-I$use_threads -I../qt" AC_SUBST(qtmdc_c)
cy_cv_threads_libs="../qt/libqthreads.a" AC_SUBST(qtdmdb_s)
fi AC_SUBST(THREAD_PACKAGE)
fi AC_SUBST(THREAD_CPPFLAGS)
if test "$use_threads" = pthreads; then AC_SUBST(THREAD_LIBS_LOCAL)
# Look for pthreads in srcdir. See above to understand why AC_SUBST(THREAD_LIBS_INSTALLED)
# we always set threads_package.
if test -f $srcdir/../../pthreads/pthreads/queue.c \
|| test -f $srcdir/../pthreads/pthreads/queue.c; then
threads_package=MIT
cy_cv_threads_cflags="-I$srcdir/../../pthreads/include"
cy_cv_threads_libs="-L../../pthreads/lib -lpthread"
fi
fi
saved_CPP="$CPPFLAGS"
saved_LD="$LDFLAGS"
saved_LIBS="$LIBS"
if test "$threads_package" = unknown; then
dnl
dnl Test for the FSU threads package
dnl
CPPFLAGS="-I$use_threads/include"
LDFLAGS="-L$use_threads/lib"
LIBS="-lgthreads -lmalloc"
AC_TRY_LINK([#include <pthread.h>],[
pthread_equal(NULL,NULL);
], threads_package=FSU)
fi
if test "$threads_package" = unknown; then
dnl
dnl Test for the MIT threads package
dnl
LIBS="-lpthread"
AC_TRY_LINK([#include <pthread.h>],[
pthread_equal(NULL,NULL);
], threads_package=MIT)
fi
if test "$threads_package" = unknown; then
dnl
dnl Test for the PCthreads package
dnl
LIBS="-lpthreads"
AC_TRY_LINK([#include <pthread.h>],[
pthread_equal(NULL,NULL);
], threads_package=PCthreads)
fi
dnl
dnl Set the appropriate flags!
dnl
cy_cv_threads_cflags="$CPPFLAGS $cy_cv_threads_cflags"
cy_cv_threads_package=$threads_package
CPPFLAGS="$saved_CPP"
LDFLAGS="$saved_LD"
LIBS="$saved_LIBS"
if test "$threads_package" = unknown; then
AC_MSG_ERROR("cannot find thread library installation")
fi
fi
])
])
],
dnl
dnl Set flags according to what is cached.
dnl
CPPFLAGS="$cy_cv_threads_cflags"
LIBS="$cy_cv_threads_libs"
)
]) ])

1148
configure vendored
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File diff suppressed because it is too large Load diff

162
configure.in
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@ -328,46 +328,58 @@ fi
# #
#-------------------------------------------------------------------- #--------------------------------------------------------------------
CY_AC_WITH_THREADS ### What thread package has the user asked for?
CFLAGS="$CFLAGS $cy_cv_threads_cflags" AC_ARG_WITH(threads, [ --with-threads thread interface],
THREAD_LIBS="$cy_cv_threads_libs" , with_threads=no)
AC_SUBST(THREAD_LIBS)
dnl ### Turn $with_threads into either the name of a threads package, like
dnl Set the appropriate flags! ### `qt', or `no', meaning that threads should not be supported.
dnl case "$with_threads" in
if test "$cy_cv_threads_package" = FSU; then "yes" | "qt" | "coop" | "")
AC_DEFINE(USE_FSU_PTHREADS, 1) with_threads=qt
else if test "$cy_cv_threads_package" = COOP; then ;;
AC_DEFINE(USE_COOP_THREADS, 1) "no" )
else if test "$cy_cv_threads_package" = MIT; then ;;
AC_DEFINE(USE_MIT_PTHREADS, 1) * )
else if test "$cy_cv_threads_package" = PCthreads; then AC_MSG_ERROR(invalid value for --with-threads: $with_threads)
AC_DEFINE(USE_PCTHREADS_PTHREADS, 1) ;;
else if test "$cy_cv_threads_package" = unknown; then esac
AC_MSG_ERROR("cannot find threads installation")
fi
fi
fi
fi
fi
if test "$cy_cv_threads_package" != ""; then ## Make sure the threads package we've chosen is actually supported on
AC_DEFINE(USE_THREADS) ## the present platform.
case "${with_threads}" in
"qt" )
## This configures the QuickThreads package, and sets or clears
## the THREAD_PACKAGE variable if qthreads don't configure
## correctly.
QTHREADS_CONFIGURE
;;
esac
## If we're using threads, bring in some other parts of Guile which
## work with them.
if test "${THREAD_PACKAGE}" != "" ; then
AC_DEFINE(USE_THREADS, 1)
## Include the Guile thread interface in the library...
LIBOBJS="$LIBOBJS threads.o" LIBOBJS="$LIBOBJS threads.o"
fi
#-------------------------------------------------------------------- ## ... and tell it which package to talk to.
# case "${THREAD_PACKAGE}" in
# scm_internal_select "QT" )
# AC_DEFINE(USE_COOP_THREADS, 1)
#-------------------------------------------------------------------- ;;
* )
AC_MSG_ERROR(invalid value for THREAD_PACKAGE: ${THREAD_PACKAGE})
;;
esac
if test "$cy_cv_threads_package" != "" && ## Bring in scm_internal_select, if appropriate.
test $ac_cv_func_gettimeofday = yes && if test $ac_cv_func_gettimeofday = yes &&
test $ac_cv_func_select = yes; then test $ac_cv_func_select = yes; then
AC_DEFINE(GUILE_ISELECT, 1)
LIBOBJS="$LIBOBJS iselect.o" LIBOBJS="$LIBOBJS iselect.o"
AC_DEFINE(GUILE_ISELECT, 1)
fi
fi fi
## If we're using GCC, ask for aggressive warnings. ## If we're using GCC, ask for aggressive warnings.
@ -385,7 +397,9 @@ LIBLOBJS="`echo ${LIBOBJS} | sed 's/\.o/.lo/g'`"
AC_SUBST(GUILE_MAJOR_VERSION) AC_SUBST(GUILE_MAJOR_VERSION)
AC_SUBST(GUILE_MINOR_VERSION) AC_SUBST(GUILE_MINOR_VERSION)
AC_SUBST(GUILE_VERSION) AC_SUBST(GUILE_VERSION)
GUILE_LIBS="$LDFLAGS $THREAD_LIBS $LIBS"
dnl Tell build-guile what flags guile users should link against.
GUILE_LIBS="$LDFLAGS $THREAD_LIBS_INSTALLED $LIBS"
AC_SUBST(GUILE_LIBS) AC_SUBST(GUILE_LIBS)
dnl timestamping the interpreter and scheme libraries: dnl timestamping the interpreter and scheme libraries:
@ -402,86 +416,6 @@ AC_SUBST(GUILE_STAMP)
AC_SUBST(AWK) AC_SUBST(AWK)
AC_SUBST(LIBLOBJS) AC_SUBST(LIBLOBJS)
dnl ======================================================================
dnl configuration for the Qt package
dnl ======================================================================
threads_enabled=false
if test "$cy_cv_threads_package" = COOP; then
threads_enabled=true
fi
# How can we refer to the qt source directory from within the qt build
# directory? For headers, we can rely on the fact that the qt src
# directory appears in the #include path.
qtsrcdir="`(cd $srcdir; pwd)`/qt"
changequote(,)dnl We use [ and ] in a regexp in the case
case "$host" in
i[3456]86-*-*)
qtmds_s=$qtsrcdir/md/i386.s
qtmd_h=md/i386.h
qtmdc_c=$qtsrcdir/md/null.c
;;
mips-sgi-irix[56]*)
qtmds_s=$qtsrcdir/md/mips-irix5.s
qtmd_h=md/mips.h
qtmdc_c=$qtsrcdir/md/null.c
qtdmdb_s=$qtsrcdir/md/mips_b.s
;;
mips-*-*)
qtmds_s=$qtsrcdir/md/mips.s
qtmd_h=md/mips.h
qtmdc_c=$qtsrcdir/md/null.c
qtdmdb_s=$qtsrcdir/md/mips_b.s
;;
sparc-*-sunos*)
qtmd_h=md/sparc.h
qtmdc_c=$qtsrcdir/md/null.c
qtmds_s=$qtsrcdir/md/_sparc.s
qtdmdb_s=$qtsrcdir/md/_sparc_b.s
;;
sparc-*-*)
qtmd_h=md/sparc.h
qtmdc_c=$qtsrcdir/md/null.c
qtmds_s=$qtsrcdir/md/sparc.s
qtdmdb_s=$qtsrcdir/md/sparc_b.s
;;
alpha-*-*)
qtmd_h=md/axp.h
qtmdc_c=$qtsrcdir/md/null.c
qtmds_s=$qtsrcdir/md/axp.s
qtdmdb_s=$qtsrcdir/md/axp_b.s
;;
*)
echo "Unknown configuration; threads package disabled"
threads_enabled=false
;;
esac
changequote([, ])
if $threads_enabled; then
target_libs=libqthreads.a
else
target_libs=
fi
# Give the Makefile the names of the object files that will be
# generated by compiling $qtmdc_c and $qtmds_s.
qtmdc_o="`echo ${qtmdc_c} | sed -e 's:^.*/::' | sed -e 's:\.c$:\.o:'`"
qtmds_o="`echo ${qtmds_s} | sed -e 's:^.*/::' | sed -e 's:\.s$:\.o:'`"
AC_SUBST(target_libs)
AC_SUBST(qtmd_h)
AC_SUBST(qtmdc_c)
AC_SUBST(qtmdc_o)
AC_SUBST(qtmds_s)
AC_SUBST(qtmds_o)
AC_SUBST(qtmdb_s)
AC_OUTPUT([Makefile libguile/Makefile libguile/guile-snarf ice-9/Makefile ice-9/version.scm qt/Makefile qt/qt.h qt/md/Makefile qt/time/Makefile build/Makefile], [chmod +x libguile/guile-snarf]) AC_OUTPUT([Makefile libguile/Makefile libguile/guile-snarf ice-9/Makefile ice-9/version.scm qt/Makefile qt/qt.h qt/md/Makefile qt/time/Makefile build/Makefile], [chmod +x libguile/guile-snarf])
dnl Local Variables: dnl Local Variables:

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dnl Autoconf macros for configuring the QuickThreads package
dnl QTHREADS_CONFIGURE configures the QuickThreads package. The QT
dnl sources should be in $srcdir/qt. If configuration succeeds, this
dnl macro creates the appropriate symlinks in the qt object directory,
dnl and sets the following variables, used in building libqthreads.a:
dnl QTHREAD_LTLIBS --- set to libqthreads.la if configuration
dnl succeeds, or the empty string if configuration fails.
dnl qtmd_h --- the name of the machine-dependent header file.
dnl
dnl It also sets the following variables, which describe how clients
dnl can link against libqthreads.a:
dnl THREAD_PACKAGE --- set to "QT" if configuration succeeds, or
dnl the empty string if configuration fails.
dnl THREAD_CPPFLAGS --- set to `-I' flags for thread header files
dnl THREAD_LIBS_LOCAL --- linker options for use in this source tree
dnl THREAD_LIBS_INSTALLED --- linker options for use after this package
dnl is installed
dnl It would be nice if all thread configuration packages for Guile
dnl followed the same conventions.
dnl
dnl All of the above variables will be substituted into Makefiles in
dnl the usual autoconf fashion.
dnl
dnl We distinguish between THREAD_LIBS_LOCAL and
dnl THREAD_LIBS_INSTALLED because the thread library might be in
dnl this tree, and be built using libtool. This means that:
dnl 1) when building other executables in this tree, one must
dnl pass the relative path to the ../libfoo.la file, but
dnl 2) once the whole package has been installed, users should
dnl link using -lfoo.
dnl Normally, we only care about the first case, but since the
dnl build-guile script needs to give users all the flags they need
dnl to link programs against guile, the GUILE_WITH_THREADS macro
dnl needs to supply the second piece of information as well.
dnl
dnl This whole thing is a little confused about what ought to be
dnl done in the top-level configure script, and what ought to be
dnl taken care of in the subdirectory. For example, qtmdc_lo and
dnl friends really ought not to be even mentioned in the top-level
dnl configure script, but here they are.
AC_DEFUN([QTHREADS_CONFIGURE],[
# For some reason, AC_REQUIRE doesn't seem to work with the aclocal
# program. So we'll just do this runtime check.
if test "${LN_S}" = ""; then
f=''
AC_MSG_ERROR(The QTHREADS${f}_CONFIGURE macro requires A${f}C_PROG_LN_S)
fi
# How can we refer to the qt source directory from within the qt build
# directory? For headers, we can rely on the fact that the qt src
# directory appears in the #include path.
qtsrcdir="`(cd $srcdir; pwd)`/qt"
changequote(,)dnl We use [ and ] in a regexp in the case
THREAD_PACKAGE=QT
case "$host" in
i[3456]86-*-*)
qtmd_h=md/i386.h
qtmds_s=md/i386.s
qtmdc_c=md/null.c
qtdmdb_s=
;;
mips-sgi-irix[56]*)
qtmd_h=md/mips.h
qtmds_s=md/mips-irix5.s
qtmdc_c=md/null.c
qtdmdb_s=md/mips_b.s
;;
mips-*-*)
qtmd_h=md/mips.h
qtmds_s=md/mips.s
qtmdc_c=md/null.c
qtdmdb_s=md/mips_b.s
;;
sparc-*-sunos*)
qtmd_h=md/sparc.h
qtmds_s=md/_sparc.s
qtmdc_c=md/null.c
qtdmdb_s=md/_sparc_b.s
;;
sparc-*-*)
qtmd_h=md/sparc.h
qtmds_s=md/sparc.s
qtmdc_c=md/null.c
qtdmdb_s=md/sparc_b.s
;;
alpha-*-*)
qtmd_h=md/axp.h
qtmds_s=md/axp.s
qtmdc_c=md/null.c
qtdmdb_s=md/axp_b.s
;;
*)
echo "Unknown configuration; threads package disabled"
THREAD_PACKAGE=""
;;
esac
changequote([, ])
# Did configuration succeed?
if test -n "$THREAD_PACKAGE"; then
QTHREAD_LTLIBS=libqthreads.la
THREAD_CPPFLAGS="-I$qtsrcdir -I../qt"
THREAD_LIBS_LOCAL="../qt/libqthreads.la"
THREAD_LIBS_INSTALLED="-lqthreads"
fi
AC_SUBST(QTHREAD_LTLIBS)
AC_SUBST(qtmd_h)
AC_SUBST(qtmds_s)
AC_SUBST(qtmdc_c)
AC_SUBST(qtdmdb_s)
AC_SUBST(THREAD_PACKAGE)
AC_SUBST(THREAD_CPPFLAGS)
AC_SUBST(THREAD_LIBS_LOCAL)
AC_SUBST(THREAD_LIBS_INSTALLED)
])

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