mirror of
https://git.savannah.gnu.org/git/guile.git
synced 2025-06-10 14:00:21 +02:00
On some systems <libc.h> conflicts with <unistd.h>, and should not
be #included at all. * aclocal.m4 (GUILE_HEADER_LIBC_WITH_UNISTD): New autoconf macro. * configure.in: Call it. * acconfig.h (LIBC_H_WITH_UNISTD_H): New CPP symbol. * posix.c, filesys.c: Use its results to decide whether or not to #include <libc.h>. * configure, scmconfig.h.in: Rebuilt with autoconf and autoheader.
This commit is contained in:
Jim Blandy
parent
deb95d7196
commit
3594582bd1
7 changed files with 180 additions and 43 deletions
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@ -44,9 +44,15 @@
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#undef SCM_STACK_GROWS_UP
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/* Define this if <utime.h> doesn't define struct utimbuf unless
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_POSIX_SOURCE is #defined. */
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_POSIX_SOURCE is #defined. See GUILE_STRUCT_UTIMBUF in aclocal.m4. */
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#undef UTIMBUF_NEEDS_POSIX
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/* Define this if we should #include <libc.h> when we've already
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#included <unistd.h>. On some systems, they conflict, and libc.h
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should be omitted. See GUILE_HEADER_LIBC_WITH_UNISTD in
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aclocal.m4. */
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#undef LIBC_H_WITH_UNISTD_H
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/* Define these to indicate the current version of Guile. These
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values are supposed to be supplied by the configuration system. */
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#undef GUILE_MAJOR_VERSION
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40
libguile/aclocal.m4
vendored
40
libguile/aclocal.m4
vendored
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@ -17,3 +17,43 @@ struct utime blah;
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if test "$guile_cv_struct_utimbuf_needs_posix" = yes; then
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AC_DEFINE(UTIMBUF_NEEDS_POSIX)
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fi])
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dnl
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dnl Apparently, at CMU they have a weird version of libc.h that is
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dnl installed in /usr/local/include and conflicts with unistd.h.
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dnl In these situations, we should not #include libc.h.
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dnl This test arranges to #define LIBC_H_WITH_UNISTD_H iff libc.h is
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dnl present on the system, and is safe to #include.
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dnl
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AC_DEFUN([GUILE_HEADER_LIBC_WITH_UNISTD],
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[
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AC_CHECK_HEADERS(libc.h unistd.h)
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AC_CACHE_CHECK(
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"whether libc.h and unistd.h can be included together",
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guile_cv_header_libc_with_unistd,
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[
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if test "$ac_cv_header_libc_h" = "no"; then
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guile_cv_header_libc_with_unistd="no"
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elif test "$ac_cv_header_unistd.h" = "no"; then
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guile_cv_header_libc_with_unistd="yes"
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else
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AC_TRY_COMPILE(
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[
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# include <libc.h>
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# include <unistd.h>
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],
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[],
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[guile_cv_header_libc_with_unistd=yes],
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[guile_cv_header_libc_with_unistd=no]
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)
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fi
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]
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)
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if test "$guile_cv_header_libc_with_unistd" = yes; then
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AC_DEFINE(LIBC_H_WITH_UNISTD_H)
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fi
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]
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)
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162
libguile/configure
vendored
162
libguile/configure
vendored
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@ -1421,12 +1421,96 @@ fi
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done
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for ac_hdr in libc.h unistd.h
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do
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ac_safe=`echo "$ac_hdr" | tr './\055' '___'`
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echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
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if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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cat > conftest.$ac_ext <<EOF
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#line 1433 "configure"
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#include "confdefs.h"
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#include <$ac_hdr>
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EOF
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ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
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{ (eval echo configure:1438: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
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ac_err=`grep -v '^ *+' conftest.out`
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if test -z "$ac_err"; then
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rm -rf conftest*
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eval "ac_cv_header_$ac_safe=yes"
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else
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echo "$ac_err" >&5
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rm -rf conftest*
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eval "ac_cv_header_$ac_safe=no"
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fi
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rm -f conftest*
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fi
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if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
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echo "$ac_t""yes" 1>&6
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ac_tr_hdr=HAVE_`echo $ac_hdr | tr 'abcdefghijklmnopqrstuvwxyz./\055' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ___'`
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cat >> confdefs.h <<EOF
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#define $ac_tr_hdr 1
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EOF
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else
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echo "$ac_t""no" 1>&6
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fi
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done
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echo $ac_n "checking "whether libc.h and unistd.h can be included together"""... $ac_c" 1>&6
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if eval "test \"`echo '$''{'guile_cv_header_libc_with_unistd'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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if test "$ac_cv_header_libc_h" = "no"; then
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guile_cv_header_libc_with_unistd="no"
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elif test "$ac_cv_header_unistd.h" = "no"; then
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guile_cv_header_libc_with_unistd="yes"
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else
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cat > conftest.$ac_ext <<EOF
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#line 1473 "configure"
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#include "confdefs.h"
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# include <libc.h>
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# include <unistd.h>
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int main() { return 0; }
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int t() {
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; return 0; }
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EOF
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if { (eval echo configure:1484: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
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rm -rf conftest*
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guile_cv_header_libc_with_unistd=yes
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else
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rm -rf conftest*
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guile_cv_header_libc_with_unistd=no
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fi
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rm -f conftest*
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fi
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fi
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echo "$ac_t""$guile_cv_header_libc_with_unistd" 1>&6
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if test "$guile_cv_header_libc_with_unistd" = yes; then
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cat >> confdefs.h <<\EOF
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#define LIBC_H_WITH_UNISTD_H 1
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EOF
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fi
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echo $ac_n "checking for uid_t in sys/types.h""... $ac_c" 1>&6
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if eval "test \"`echo '$''{'ac_cv_type_uid_t'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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cat > conftest.$ac_ext <<EOF
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#line 1430 "configure"
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#line 1514 "configure"
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#include "confdefs.h"
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#include <sys/types.h>
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EOF
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@ -1462,7 +1546,7 @@ else
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ac_cv_type_getgroups=cross
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else
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cat > conftest.$ac_ext <<EOF
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#line 1466 "configure"
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#line 1550 "configure"
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#include "confdefs.h"
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/* Thanks to Mike Rendell for this test. */
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@ -1487,7 +1571,7 @@ main()
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}
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EOF
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{ (eval echo configure:1491: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }
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{ (eval echo configure:1575: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }
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if test -s conftest && (./conftest; exit) 2>/dev/null; then
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ac_cv_type_getgroups=gid_t
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else
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@ -1497,7 +1581,7 @@ fi
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rm -fr conftest*
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if test $ac_cv_type_getgroups = cross; then
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cat > conftest.$ac_ext <<EOF
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#line 1501 "configure"
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#line 1585 "configure"
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#include "confdefs.h"
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#include <unistd.h>
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EOF
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@ -1525,7 +1609,7 @@ if eval "test \"`echo '$''{'ac_cv_type_signal'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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cat > conftest.$ac_ext <<EOF
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#line 1529 "configure"
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#line 1613 "configure"
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#include "confdefs.h"
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#include <sys/types.h>
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#include <signal.h>
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@ -1543,7 +1627,7 @@ int t() {
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int i;
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; return 0; }
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EOF
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if { (eval echo configure:1547: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
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if { (eval echo configure:1631: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
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rm -rf conftest*
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ac_cv_type_signal=void
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else
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@ -1565,7 +1649,7 @@ if eval "test \"`echo '$''{'ac_cv_type_mode_t'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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cat > conftest.$ac_ext <<EOF
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#line 1569 "configure"
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#line 1653 "configure"
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#include "confdefs.h"
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#include <sys/types.h>
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#if STDC_HEADERS
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@ -1599,7 +1683,7 @@ if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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cat > conftest.$ac_ext <<EOF
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#line 1603 "configure"
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#line 1687 "configure"
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#include "confdefs.h"
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/* System header to define __stub macros and hopefully few prototypes,
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which can conflict with char $ac_func(); below. */
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@ -1623,7 +1707,7 @@ $ac_func();
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; return 0; }
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EOF
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if { (eval echo configure:1627: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
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if { (eval echo configure:1711: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
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rm -rf conftest*
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eval "ac_cv_func_$ac_func=yes"
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else
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@ -1653,7 +1737,7 @@ if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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cat > conftest.$ac_ext <<EOF
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#line 1657 "configure"
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#line 1741 "configure"
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#include "confdefs.h"
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/* System header to define __stub macros and hopefully few prototypes,
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which can conflict with char $ac_func(); below. */
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@ -1677,7 +1761,7 @@ $ac_func();
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; return 0; }
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EOF
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if { (eval echo configure:1681: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
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if { (eval echo configure:1765: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
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rm -rf conftest*
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eval "ac_cv_func_$ac_func=yes"
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else
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@ -1703,7 +1787,7 @@ if eval "test \"`echo '$''{'ac_cv_struct_st_rdev'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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cat > conftest.$ac_ext <<EOF
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#line 1707 "configure"
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#line 1791 "configure"
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#include "confdefs.h"
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#include <sys/types.h>
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#include <sys/stat.h>
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@ -1712,7 +1796,7 @@ int t() {
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struct stat s; s.st_rdev;
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; return 0; }
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EOF
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if { (eval echo configure:1716: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
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if { (eval echo configure:1800: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
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rm -rf conftest*
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ac_cv_struct_st_rdev=yes
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else
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@ -1736,7 +1820,7 @@ if eval "test \"`echo '$''{'ac_cv_struct_st_blksize'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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cat > conftest.$ac_ext <<EOF
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#line 1740 "configure"
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#line 1824 "configure"
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#include "confdefs.h"
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#include <sys/types.h>
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#include <sys/stat.h>
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@ -1745,7 +1829,7 @@ int t() {
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struct stat s; s.st_blksize;
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; return 0; }
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EOF
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if { (eval echo configure:1749: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
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if { (eval echo configure:1833: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
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rm -rf conftest*
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ac_cv_struct_st_blksize=yes
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else
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@ -1769,7 +1853,7 @@ if eval "test \"`echo '$''{'ac_cv_struct_st_blocks'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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cat > conftest.$ac_ext <<EOF
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#line 1773 "configure"
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#line 1857 "configure"
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#include "confdefs.h"
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#include <sys/types.h>
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#include <sys/stat.h>
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@ -1778,7 +1862,7 @@ int t() {
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struct stat s; s.st_blocks;
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; return 0; }
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EOF
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if { (eval echo configure:1782: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
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if { (eval echo configure:1866: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
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rm -rf conftest*
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ac_cv_struct_st_blocks=yes
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else
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@ -1805,7 +1889,7 @@ if eval "test \"`echo '$''{'guile_cv_struct_utimbuf_needs_posix'+set}'`\" = set"
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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cat > conftest.$ac_ext <<EOF
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#line 1809 "configure"
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#line 1893 "configure"
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#include "confdefs.h"
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#ifdef __EMX__
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@ -1817,7 +1901,7 @@ struct utime blah;
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EOF
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ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
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{ (eval echo configure:1821: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
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{ (eval echo configure:1905: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
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ac_err=`grep -v '^ *+' conftest.out`
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if test -z "$ac_err"; then
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rm -rf conftest*
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@ -1848,13 +1932,13 @@ if test "$cross_compiling" = yes; then
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echo "configure: warning: Guessing that stack grows down -- see scmconfig.h.in" 1>&2
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else
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cat > conftest.$ac_ext <<EOF
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#line 1852 "configure"
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#line 1936 "configure"
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#include "confdefs.h"
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aux (l) unsigned long l;
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{ int x; exit (l >= ((unsigned long)&x)); }
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main () { int q; aux((unsigned long)&q); }
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EOF
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{ (eval echo configure:1858: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }
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{ (eval echo configure:1942: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }
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if test -s conftest && (./conftest; exit) 2>/dev/null; then
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cat >> confdefs.h <<\EOF
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#define SCM_STACK_GROWS_UP 1
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@ -1873,11 +1957,11 @@ EOF
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echo "configure: warning: Guessing that sizeof(long) == sizeof(float) -- see scmconfig.h.in" 1>&2
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else
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cat > conftest.$ac_ext <<EOF
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#line 1877 "configure"
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#line 1961 "configure"
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#include "confdefs.h"
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main () { exit (sizeof(float) != sizeof(long)); }
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EOF
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{ (eval echo configure:1881: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }
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{ (eval echo configure:1965: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }
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if test -s conftest && (./conftest; exit) 2>/dev/null; then
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cat >> confdefs.h <<\EOF
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#define SCM_SINGLES 1
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@ -1892,7 +1976,7 @@ if eval "test \"`echo '$''{'scm_cv_struct_linger'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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cat > conftest.$ac_ext <<EOF
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#line 1896 "configure"
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#line 1980 "configure"
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#include "confdefs.h"
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#include <sys/socket.h>
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int main() { return 0; }
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@ -1900,7 +1984,7 @@ int t() {
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struct linger lgr; lgr.l_linger = 100
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; return 0; }
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EOF
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if { (eval echo configure:1904: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
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if { (eval echo configure:1988: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
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rm -rf conftest*
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scm_cv_struct_linger="yes"
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else
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@ -1929,7 +2013,7 @@ FD_SETTER=""
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if test "x$FD_SETTER" = x; then
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cat > conftest.$ac_ext <<EOF
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#line 1933 "configure"
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#line 2017 "configure"
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#include "confdefs.h"
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#include <stdio.h>
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@ -1938,7 +2022,7 @@ int t() {
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stdout->_file = 1
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; return 0; }
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EOF
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if { (eval echo configure:1942: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
|
||||
if { (eval echo configure:2026: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
|
||||
rm -rf conftest*
|
||||
FD_SETTER="((F)->_file = (D))"
|
||||
fi
|
||||
|
|
@ -1948,7 +2032,7 @@ fi
|
|||
|
||||
if test "x$FD_SETTER" = x; then
|
||||
cat > conftest.$ac_ext <<EOF
|
||||
#line 1952 "configure"
|
||||
#line 2036 "configure"
|
||||
#include "confdefs.h"
|
||||
#include <stdio.h>
|
||||
|
||||
|
|
@ -1957,7 +2041,7 @@ int t() {
|
|||
stdout->_fileno
|
||||
; return 0; }
|
||||
EOF
|
||||
if { (eval echo configure:1961: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
|
||||
if { (eval echo configure:2045: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
|
||||
rm -rf conftest*
|
||||
FD_SETTER="((F)->_fileno = (D))"
|
||||
fi
|
||||
|
|
@ -1988,7 +2072,7 @@ if eval "test \"`echo '$''{'scm_cv_struct_file_count'+set}'`\" = set"; then
|
|||
echo $ac_n "(cached) $ac_c" 1>&6
|
||||
else
|
||||
cat > conftest.$ac_ext <<EOF
|
||||
#line 1992 "configure"
|
||||
#line 2076 "configure"
|
||||
#include "confdefs.h"
|
||||
#include <stdio.h>
|
||||
int main() { return 0; }
|
||||
|
|
@ -1996,13 +2080,13 @@ int t() {
|
|||
FILE *f = stdin; f->_cnt = 0
|
||||
; return 0; }
|
||||
EOF
|
||||
if { (eval echo configure:2000: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
|
||||
if { (eval echo configure:2084: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
|
||||
rm -rf conftest*
|
||||
scm_cv_struct_file_count="_cnt"
|
||||
else
|
||||
rm -rf conftest*
|
||||
cat > conftest.$ac_ext <<EOF
|
||||
#line 2006 "configure"
|
||||
#line 2090 "configure"
|
||||
#include "confdefs.h"
|
||||
#include <stdio.h>
|
||||
int main() { return 0; }
|
||||
|
|
@ -2010,13 +2094,13 @@ int t() {
|
|||
FILE *f = stdin; f->_r = 0
|
||||
; return 0; }
|
||||
EOF
|
||||
if { (eval echo configure:2014: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
|
||||
if { (eval echo configure:2098: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
|
||||
rm -rf conftest*
|
||||
scm_cv_struct_file_count="_r"
|
||||
else
|
||||
rm -rf conftest*
|
||||
cat > conftest.$ac_ext <<EOF
|
||||
#line 2020 "configure"
|
||||
#line 2104 "configure"
|
||||
#include "confdefs.h"
|
||||
#include <stdio.h>
|
||||
int main() { return 0; }
|
||||
|
|
@ -2024,7 +2108,7 @@ int t() {
|
|||
FILE *f = stdin; f->readCount = 0
|
||||
; return 0; }
|
||||
EOF
|
||||
if { (eval echo configure:2028: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
|
||||
if { (eval echo configure:2112: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
|
||||
rm -rf conftest*
|
||||
scm_cv_struct_file_count="readCount"
|
||||
else
|
||||
|
|
@ -2052,7 +2136,7 @@ if eval "test \"`echo '$''{'scm_cv_struct_file_gptr'+set}'`\" = set"; then
|
|||
echo $ac_n "(cached) $ac_c" 1>&6
|
||||
else
|
||||
cat > conftest.$ac_ext <<EOF
|
||||
#line 2056 "configure"
|
||||
#line 2140 "configure"
|
||||
#include "confdefs.h"
|
||||
#include <stdio.h>
|
||||
int main() { return 0; }
|
||||
|
|
@ -2060,7 +2144,7 @@ int t() {
|
|||
FILE *f = stdin; f->_gptr = f->egptr;
|
||||
; return 0; }
|
||||
EOF
|
||||
if { (eval echo configure:2064: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
|
||||
if { (eval echo configure:2148: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
|
||||
rm -rf conftest*
|
||||
scm_cv_struct_file_gptr=1
|
||||
else
|
||||
|
|
@ -2082,7 +2166,7 @@ if eval "test \"`echo '$''{'scm_cv_struct_file_readptr'+set}'`\" = set"; then
|
|||
echo $ac_n "(cached) $ac_c" 1>&6
|
||||
else
|
||||
cat > conftest.$ac_ext <<EOF
|
||||
#line 2086 "configure"
|
||||
#line 2170 "configure"
|
||||
#include "confdefs.h"
|
||||
#include <stdio.h>
|
||||
int main() { return 0; }
|
||||
|
|
@ -2090,7 +2174,7 @@ int t() {
|
|||
FILE *f = stdin; f->_IO_read_ptr = f->_IO_read_end;
|
||||
; return 0; }
|
||||
EOF
|
||||
if { (eval echo configure:2094: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
|
||||
if { (eval echo configure:2178: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
|
||||
rm -rf conftest*
|
||||
scm_cv_struct_file_readptr=1
|
||||
fi
|
||||
|
|
|
|||
|
|
@ -41,6 +41,7 @@ AC_HEADER_DIRENT
|
|||
AC_HEADER_TIME
|
||||
AC_HEADER_SYS_WAIT
|
||||
AC_CHECK_HEADERS(libc.h limits.h malloc.h memory.h string.h sys/ioctl.h sys/select.h sys/time.h sys/timeb.h sys/times.h sys/types.h sys/utime.h time.h unistd.h utime.h)
|
||||
GUILE_HEADER_LIBC_WITH_UNISTD
|
||||
|
||||
AC_TYPE_GETGROUPS
|
||||
AC_TYPE_SIGNAL
|
||||
|
|
|
|||
|
|
@ -61,7 +61,7 @@
|
|||
#include <unistd.h>
|
||||
#endif
|
||||
|
||||
#ifdef HAVE_LIBC_H
|
||||
#ifdef LIBC_H_WITH_UNISTD_H
|
||||
#include <libc.h>
|
||||
#endif
|
||||
|
||||
|
|
|
|||
|
|
@ -75,7 +75,7 @@ extern char *ttyname();
|
|||
#endif
|
||||
#endif
|
||||
|
||||
#ifdef HAVE_LIBC_H
|
||||
#ifdef LIBC_H_WITH_UNISTD_H
|
||||
#include <libc.h>
|
||||
#endif
|
||||
|
||||
|
|
|
|||
|
|
@ -97,9 +97,15 @@
|
|||
#undef SCM_STACK_GROWS_UP
|
||||
|
||||
/* Define this if <utime.h> doesn't define struct utimbuf unless
|
||||
_POSIX_SOURCE is #defined. */
|
||||
_POSIX_SOURCE is #defined. See GUILE_STRUCT_UTIMBUF in aclocal.m4. */
|
||||
#undef UTIMBUF_NEEDS_POSIX
|
||||
|
||||
/* Define this if we should #include <libc.h> when we've already
|
||||
#included <unistd.h>. On some systems, they conflict, and libc.h
|
||||
should be omitted. See GUILE_HEADER_LIBC_WITH_UNISTD in
|
||||
aclocal.m4. */
|
||||
#undef LIBC_H_WITH_UNISTD_H
|
||||
|
||||
/* Define these to indicate the current version of Guile. These
|
||||
values are supposed to be supplied by the configuration system. */
|
||||
#undef GUILE_MAJOR_VERSION
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue