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(AC_MBSTATE_T_OBJECT): Test for mbstate_t only if the test

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for an object-type mbstate_t fails.
This commit is contained in:
Paul Eggert
2000-07-05 18:41:17 +00:00
parent 73266a46f3
commit 12d0cc62bb
1 changed files with 16 additions and 16 deletions
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32
m4/mbstate_t.m4
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@@ -1,4 +1,4 @@
# serial 5
# serial 6
# From Paul Eggert.
@@ -14,21 +14,7 @@ AC_DEFUN(AC_MBSTATE_T_OBJECT,
[
AC_CHECK_HEADERS(stdlib.h)
AC_CACHE_CHECK([for mbstate_t], ac_cv_type_mbstate_t,
[AC_TRY_COMPILE([
#if HAVE_STDLIB_H
# include <stdlib.h>
#endif
#include <wchar.h>],
[mbstate_t *x; return sizeof x;],
ac_cv_type_mbstate_t=yes,
ac_cv_type_mbstate_t=no)])
if test $ac_cv_type_mbstate_t != yes; then
AC_DEFINE(mbstate_t, int,
[Define to int if <wchar.h> does not define.])
fi
AC_CACHE_CHECK([for mbstate_t object type], ac_cv_type_mbstate_t_object,
AC_CACHE_CHECK([for mbstate_t object], ac_cv_type_mbstate_t_object,
[AC_TRY_COMPILE([
#if HAVE_STDLIB_H
# include <stdlib.h>
@@ -40,4 +26,18 @@ AC_DEFUN(AC_MBSTATE_T_OBJECT,
if test $ac_cv_type_mbstate_t_object = yes; then
AC_DEFINE(HAVE_MBSTATE_T_OBJECT, 1,
[Define if mbstate_t is an object type.])
else
AC_CACHE_CHECK([for mbstate_t], ac_cv_type_mbstate_t,
[AC_TRY_COMPILE([
#if HAVE_STDLIB_H
# include <stdlib.h>
#endif
#include <wchar.h>],
[mbstate_t *x; return sizeof x;],
ac_cv_type_mbstate_t=yes,
ac_cv_type_mbstate_t=no)])
if test $ac_cv_type_mbstate_t != yes; then
AC_DEFINE(mbstate_t, int,
[Define to int if <wchar.h> does not define.])
fi
fi])