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If sizeof(int) == sizeof(long) run compilation tests to determine which

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Mon May 13 11:55:33 2002  Owen Taylor  <otaylor@redhat.com>

        * configure.in acglib.m4: If sizeof(int) == sizeof(long)
        run compilation tests to determine which way gsize should
        be defined. (#74413, reported by Miroslaw Dobrzanski-Neumann)
This commit is contained in:
Owen Taylor 2002-05-13 15:57:25 +00:00 committed by Owen Taylor
parent 893b73e27f
commit fb2e5a27d9
9 changed files with 108 additions and 13 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
Mon May 13 11:55:33 2002 Owen Taylor <otaylor@redhat.com>
* configure.in acglib.m4: If sizeof(int) == sizeof(long)
run compilation tests to determine which way gsize should
be defined. (#74413, reported by Miroslaw Dobrzanski-Neumann)
Mon May 13 11:42:23 2002 Owen Taylor <otaylor@redhat.com>
* glib/libcharset/*: Update from libcharset CVS.

6
ChangeLog.pre-2-10
View File

@ -1,3 +1,9 @@
Mon May 13 11:55:33 2002 Owen Taylor <otaylor@redhat.com>
* configure.in acglib.m4: If sizeof(int) == sizeof(long)
run compilation tests to determine which way gsize should
be defined. (#74413, reported by Miroslaw Dobrzanski-Neumann)
Mon May 13 11:42:23 2002 Owen Taylor <otaylor@redhat.com>
* glib/libcharset/*: Update from libcharset CVS.

6
ChangeLog.pre-2-12
View File

@ -1,3 +1,9 @@
Mon May 13 11:55:33 2002 Owen Taylor <otaylor@redhat.com>
* configure.in acglib.m4: If sizeof(int) == sizeof(long)
run compilation tests to determine which way gsize should
be defined. (#74413, reported by Miroslaw Dobrzanski-Neumann)
Mon May 13 11:42:23 2002 Owen Taylor <otaylor@redhat.com>
* glib/libcharset/*: Update from libcharset CVS.

6
ChangeLog.pre-2-2
View File

@ -1,3 +1,9 @@
Mon May 13 11:55:33 2002 Owen Taylor <otaylor@redhat.com>
* configure.in acglib.m4: If sizeof(int) == sizeof(long)
run compilation tests to determine which way gsize should
be defined. (#74413, reported by Miroslaw Dobrzanski-Neumann)
Mon May 13 11:42:23 2002 Owen Taylor <otaylor@redhat.com>
* glib/libcharset/*: Update from libcharset CVS.

6
ChangeLog.pre-2-4
View File

@ -1,3 +1,9 @@
Mon May 13 11:55:33 2002 Owen Taylor <otaylor@redhat.com>
* configure.in acglib.m4: If sizeof(int) == sizeof(long)
run compilation tests to determine which way gsize should
be defined. (#74413, reported by Miroslaw Dobrzanski-Neumann)
Mon May 13 11:42:23 2002 Owen Taylor <otaylor@redhat.com>
* glib/libcharset/*: Update from libcharset CVS.

6
ChangeLog.pre-2-6
View File

@ -1,3 +1,9 @@
Mon May 13 11:55:33 2002 Owen Taylor <otaylor@redhat.com>
* configure.in acglib.m4: If sizeof(int) == sizeof(long)
run compilation tests to determine which way gsize should
be defined. (#74413, reported by Miroslaw Dobrzanski-Neumann)
Mon May 13 11:42:23 2002 Owen Taylor <otaylor@redhat.com>
* glib/libcharset/*: Update from libcharset CVS.

6
ChangeLog.pre-2-8
View File

@ -1,3 +1,9 @@
Mon May 13 11:55:33 2002 Owen Taylor <otaylor@redhat.com>
* configure.in acglib.m4: If sizeof(int) == sizeof(long)
run compilation tests to determine which way gsize should
be defined. (#74413, reported by Miroslaw Dobrzanski-Neumann)
Mon May 13 11:42:23 2002 Owen Taylor <otaylor@redhat.com>
* glib/libcharset/*: Update from libcharset CVS.

18
acglib.m4
View File

@ -147,3 +147,21 @@ AC_TRY_RUN(`cat confrun.c`, AC_MSG_RESULT(done),
AC_MSG_RESULT(failed)])
rm -f confrun.c
])
# GLIB_CHECK_COMPILE_WARNINGS(PROGRAM, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
# ---------------------------------------------------------------------
# Try to compile PROGRAM, check for warnings
m4_define([GLIB_CHECK_COMPILE_WARNINGS],
[m4_ifvaln([$1], [AC_LANG_CONFTEST([$1])])dnl
rm -f conftest.$ac_objext
glib_ac_compile_save="$ac_compile"
ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext'
AS_IF([_AC_EVAL_STDERR($ac_compile) &&
AC_TRY_COMMAND([(if test -s conftest.err; then false ; else true; fi)])],
[$2],
[echo "$as_me: failed program was:" >&AS_MESSAGE_LOG_FD
cat conftest.$ac_ext >&AS_MESSAGE_LOG_FD
m4_ifvaln([$3],[$3])dnl])dnl
ac_compile="$glib_ac_compile_save"
rm -f conftest.$ac_objext conftest.err m4_ifval([$1], [conftest.$ac_ext])[]dnl
])# GLIB_CHECK_COMPILE_WARNINGS

61
configure.in
View File

@ -578,6 +578,51 @@ GLIB_SIZEOF([$size_includes], size_t, size_t)
GLIB_SIZEOF([$size_includes], ptrdiff_t, ptrdiff_t)
GLIB_SIZEOF([$size_includes], intmax_t, intmax_t)
dnl Try to figure out whether gsize, gssize should be long or int
AC_MSG_CHECKING([for the appropriate definition for size_t])
case $glib_cv_sizeof_size_t in
$ac_cv_sizeof_short)
glib_size_type=short
;;
$ac_cv_sizeof_int)
glib_size_type=int
;;
$ac_cv_sizeof_long)
glib_size_type=long
;;
*) AC_MSG_ERROR([No type matching size_t in size])
;;
esac
dnl If int/long are the same size, we see which one produces
dnl warnings when used in the location as size_t. (This matters
dnl on AIX with xlc)
dnl
if test $glib_cv_sizeof_size_t = $ac_cv_sizeof_int &&
test $glib_cv_sizeof_size_t = $ac_cv_sizeof_long ; then
GLIB_CHECK_COMPILE_WARNINGS([
#include <stddef.h>
int main ()
{
size_t s = 1;
unsigned int *size_int = &s;
return (int)*size_int;
}
],glib_size_type=int,
[GLIB_CHECK_COMPILE_WARNINGS([
#include <stddef.h>
int main ()
{
size_t s = 1;
unsigned long *size_long = &s;
return (int)*size_long;
}
],glib_size_type=long)])
fi
AC_MSG_RESULT(unsigned $glib_size_type)
# Check for some functions
AC_CHECK_FUNCS(lstat strerror strsignal memmove mkstemp vsnprintf stpcpy strcasecmp strncasecmp poll getcwd nanosleep vasprintf unsetenv getc_unlocked)
@ -1780,19 +1825,8 @@ _______EOF
_______EOF
case x$glib_size_t in
x2) echo "typedef gint16 gssize;" >> $outfile
echo "typedef guint16 gsize;" >> $outfile
;;
x4) echo "typedef gint32 gssize;" >> $outfile
echo "typedef guint32 gsize;" >> $outfile
;;
x8) echo "typedef gint64 gssize;" >> $outfile
echo "typedef guint64 gsize;" >> $outfile
;;
*) echo "#error size of size_t is unknown" >> $outfile
;;
esac
echo "typedef signed $glib_size_type_define gssize;" >> $outfile
echo "typedef unsigned $glib_size_type_define gsize;" >> $outfile
if test -z "$glib_unknown_void_p"; then
cat >>$outfile <<_______EOF
@ -2074,6 +2108,7 @@ $ac_cv_sizeof___int64)
;;
esac
glib_size_t=$glib_cv_sizeof_size_t
glib_size_type_define=$glib_size_type
glib_void_p=$ac_cv_sizeof_long
glib_long=$ac_cv_sizeof_void_p