Upgrade to gettext-0.13.

[gnulib.git] / m4 / gettext.m4

diff --git a/m4/gettext.m4 b/m4/gettext.m4
index 16070b4..a374f03 100644 (file)
--- a/m4/gettext.m4
+++ b/m4/gettext.m4
@@ -1,4 +1,4 @@
-# gettext.m4 serial 20 (gettext-0.12)
+# gettext.m4 serial 28 (gettext-0.13)
 dnl Copyright (C) 1995-2003 Free Software Foundation, Inc.
 dnl This file is free software, distributed under the terms of the GNU
 dnl General Public License.  As a special exception to the GNU General
@@ -354,9 +354,18 @@ AC_DEFUN([AM_INTL_SUBDIR],
   AC_REQUIRE([AC_ISC_POSIX])dnl
   AC_REQUIRE([AC_HEADER_STDC])dnl
   AC_REQUIRE([AC_C_CONST])dnl
+  AC_REQUIRE([bh_C_SIGNED])dnl
   AC_REQUIRE([AC_C_INLINE])dnl
   AC_REQUIRE([AC_TYPE_OFF_T])dnl
   AC_REQUIRE([AC_TYPE_SIZE_T])dnl
+  AC_REQUIRE([jm_AC_TYPE_LONG_LONG])dnl
+  AC_REQUIRE([gt_TYPE_LONGDOUBLE])dnl
+  AC_REQUIRE([gt_TYPE_WCHAR_T])dnl
+  AC_REQUIRE([gt_TYPE_WINT_T])dnl
+  AC_REQUIRE([jm_AC_HEADER_INTTYPES_H])
+  AC_REQUIRE([jm_AC_HEADER_STDINT_H])
+  AC_REQUIRE([gt_TYPE_INTMAX_T])
+  AC_REQUIRE([gt_PRINTF_POSIX])
   AC_REQUIRE([AC_FUNC_ALLOCA])dnl
   AC_REQUIRE([AC_FUNC_MMAP])dnl
   AC_REQUIRE([jm_GLIBC21])dnl
@@ -364,14 +373,57 @@ AC_DEFUN([AM_INTL_SUBDIR],
   AC_REQUIRE([jm_AC_TYPE_UINTMAX_T])dnl
   AC_REQUIRE([gt_HEADER_INTTYPES_H])dnl
   AC_REQUIRE([gt_INTTYPES_PRI])dnl
+  AC_REQUIRE([gl_XSIZE])dnl
 
+  AC_CHECK_TYPE([ptrdiff_t], ,
+    [AC_DEFINE([ptrdiff_t], [long],
+       [Define as the type of the result of subtracting two pointers, if the system doesn't define it.])
+    ])
   AC_CHECK_HEADERS([argz.h limits.h locale.h nl_types.h malloc.h stddef.h \
 stdlib.h string.h unistd.h sys/param.h])
-  AC_CHECK_FUNCS([feof_unlocked fgets_unlocked getc_unlocked getcwd getegid \
-geteuid getgid getuid mempcpy munmap putenv setenv setlocale stpcpy \
-strcasecmp strdup strtoul tsearch __argz_count __argz_stringify __argz_next \
+  AC_CHECK_FUNCS([asprintf fwprintf getcwd getegid geteuid getgid getuid \
+mempcpy munmap putenv setenv setlocale snprintf stpcpy strcasecmp strdup \
+strtoul tsearch wcslen __argz_count __argz_stringify __argz_next \
 __fsetlocking])
 
+  dnl Use the _snprintf function only if it is declared (because on NetBSD it
+  dnl is defined as a weak alias of snprintf; we prefer to use the latter).
+  gt_CHECK_DECL(_snprintf, [#include <stdio.h>])
+  gt_CHECK_DECL(_snwprintf, [#include <stdio.h>])
+
+  dnl Use the *_unlocked functions only if they are declared.
+  dnl (because some of them were defined without being declared in Solaris
+  dnl 2.5.1 but were removed in Solaris 2.6, whereas we want binaries built
+  dnl on Solaris 2.5.1 to run on Solaris 2.6).
+  dnl Don't use AC_CHECK_DECLS because it isn't supported in autoconf-2.13.
+  gt_CHECK_DECL(feof_unlocked, [#include <stdio.h>])
+  gt_CHECK_DECL(fgets_unlocked, [#include <stdio.h>])
+  gt_CHECK_DECL(getc_unlocked, [#include <stdio.h>])
+
+  case $gt_cv_func_printf_posix in
+    *yes) HAVE_POSIX_PRINTF=1 ;;
+    *) HAVE_POSIX_PRINTF=0 ;;
+  esac
+  AC_SUBST([HAVE_POSIX_PRINTF])
+  if test "$ac_cv_func_asprintf" = yes; then
+    HAVE_ASPRINTF=1
+  else
+    HAVE_ASPRINTF=0
+  fi
+  AC_SUBST([HAVE_ASPRINTF])
+  if test "$ac_cv_func_snprintf" = yes; then
+    HAVE_SNPRINTF=1
+  else
+    HAVE_SNPRINTF=0
+  fi
+  AC_SUBST([HAVE_SNPRINTF])
+  if test "$ac_cv_func_wprintf" = yes; then
+    HAVE_WPRINTF=1
+  else
+    HAVE_WPRINTF=0
+  fi
+  AC_SUBST([HAVE_WPRINTF])
+
   AM_ICONV
   AM_LANGINFO_CODESET
   if test $ac_cv_header_locale_h = yes; then
@@ -411,5 +463,25 @@ changequote([,])dnl
 ])
 
 
+dnl gt_CHECK_DECL(FUNC, INCLUDES)
+dnl Check whether a function is declared.
+AC_DEFUN([gt_CHECK_DECL],
+[
+  AC_CACHE_CHECK([whether $1 is declared], ac_cv_have_decl_$1,
+    [AC_TRY_COMPILE([$2], [
+#ifndef $1
+  char *p = (char *) $1;
+#endif
+], ac_cv_have_decl_$1=yes, ac_cv_have_decl_$1=no)])
+  if test $ac_cv_have_decl_$1 = yes; then
+    gt_value=1
+  else
+    gt_value=0
+  fi
+  AC_DEFINE_UNQUOTED([HAVE_DECL_]translit($1, [a-z], [A-Z]), [$gt_value],
+    [Define to 1 if you have the declaration of `$1', and to 0 if you don't.])
+])
+
+
 dnl Usage: AM_GNU_GETTEXT_VERSION([gettext-version])
 AC_DEFUN([AM_GNU_GETTEXT_VERSION], [])