-# mbrlen.m4 serial 2
-dnl Copyright (C) 2008 Free Software Foundation, Inc.
+# mbrlen.m4 serial 8
+dnl Copyright (C) 2008, 2010-2012 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
AC_CHECK_FUNCS_ONCE([mbrlen])
if test $ac_cv_func_mbrlen = no; then
HAVE_MBRLEN=0
+ AC_CHECK_DECLS([mbrlen],,, [[
+/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
+ <wchar.h>.
+ BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
+ included before <wchar.h>. */
+#include <stddef.h>
+#include <stdio.h>
+#include <time.h>
+#include <wchar.h>
+]])
+ if test $ac_cv_have_decl_mbrlen = yes; then
+ dnl On Minix 3.1.8, the system's <wchar.h> declares mbrlen() although
+ dnl it does not have the function. Avoid a collision with gnulib's
+ dnl replacement.
+ REPLACE_MBRLEN=1
+ fi
else
dnl Most bugs affecting the system's mbrtowc function also affect the
dnl mbrlen function. So override mbrlen whenever mbrtowc is overridden.
REPLACE_MBRLEN=1
fi
fi
- if test $HAVE_MBRLEN = 0 || test $REPLACE_MBRLEN = 1; then
- gl_REPLACE_WCHAR_H
- AC_LIBOBJ([mbrlen])
- gl_PREREQ_MBRLEN
- fi
])
dnl Test whether mbrlen puts the state into non-initial state when parsing an
dnl is present.
changequote(,)dnl
case "$host_os" in
- # Guess no on AIX and OSF/1.
- osf*) gl_cv_func_mbrlen_incomplete_state="guessing no" ;;
- # Guess yes otherwise.
- *) gl_cv_func_mbrlen_incomplete_state="guessing yes" ;;
+ # Guess no on AIX and OSF/1.
+ aix* | osf*) gl_cv_func_mbrlen_incomplete_state="guessing no" ;;
+ # Guess yes otherwise.
+ *) gl_cv_func_mbrlen_incomplete_state="guessing yes" ;;
esac
changequote([,])dnl
if test $LOCALE_JA != none; then
- AC_TRY_RUN([
+ AC_RUN_IFELSE(
+ [AC_LANG_SOURCE([[
#include <locale.h>
#include <string.h>
+/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
+ <wchar.h>.
+ BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
+ included before <wchar.h>. */
+#include <stddef.h>
+#include <stdio.h>
+#include <time.h>
#include <wchar.h>
int main ()
{
return 1;
}
return 0;
-}],
+}]])],
[gl_cv_func_mbrlen_incomplete_state=yes],
[gl_cv_func_mbrlen_incomplete_state=no],
[])
esac
changequote([,])dnl
if test $LOCALE_FR_UTF8 != none || test $LOCALE_JA != none; then
- AC_TRY_RUN([
+ AC_RUN_IFELSE(
+ [AC_LANG_SOURCE([[
#include <locale.h>
#include <string.h>
+/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
+ <wchar.h>.
+ BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
+ included before <wchar.h>. */
+#include <stddef.h>
+#include <stdio.h>
+#include <time.h>
#include <wchar.h>
int main ()
{
+ int result = 0;
/* This fails on Solaris. */
if (setlocale (LC_ALL, "$LOCALE_FR_UTF8") != NULL)
{
{
input[1] = '\0';
if (mbrlen (input + 2, 5, &state) != 1)
- return 1;
+ result |= 1;
}
}
/* This fails on HP-UX 11.11. */
{
input[1] = '\0';
if (mbrlen (input + 2, 5, &state) != 2)
- return 1;
+ result |= 2;
}
}
- return 0;
-}],
+ return result;
+}]])],
[gl_cv_func_mbrlen_retval=yes],
[gl_cv_func_mbrlen_retval=no],
[])
esac
changequote([,])dnl
if test $LOCALE_ZH_CN != none; then
- AC_TRY_RUN([
+ AC_RUN_IFELSE(
+ [AC_LANG_SOURCE([[
#include <locale.h>
#include <string.h>
+/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
+ <wchar.h>.
+ BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
+ included before <wchar.h>. */
+#include <stddef.h>
+#include <stdio.h>
+#include <time.h>
#include <wchar.h>
int main ()
{
return 1;
}
return 0;
-}],
+}]])],
[gl_cv_func_mbrlen_nul_retval=yes],
[gl_cv_func_mbrlen_nul_retval=no],
[])