X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Flanginfo_h.m4;h=4cced8a549a5f274376055642d86cd68d5e9578d;hb=c8bdb920b373aa48a05e9bfd968ac34afcbe1dc0;hp=4975734cb29c34742a8f137e52c6fe0c893c9893;hpb=27c46a344f7a8f574c054fb31ee36120fc033495;p=gnulib.git

diff --git a/m4/langinfo_h.m4 b/m4/langinfo_h.m4
index 4975734cb..4cced8a54 100644
--- a/m4/langinfo_h.m4
+++ b/m4/langinfo_h.m4
@@ -1,5 +1,5 @@
-# langinfo_h.m4 serial 1
-dnl Copyright (C) 2009 Free Software Foundation, Inc.
+# langinfo_h.m4 serial 7
+dnl Copyright (C) 2009-2011 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.
@@ -11,16 +11,19 @@ AC_DEFUN([gl_LANGINFO_H],
   dnl Persuade glibc-2.0.6 <langinfo.h> to define CODESET.
   AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
 
+  dnl <langinfo.h> is always overridden, because of GNULIB_POSIXCHECK.
   gl_CHECK_NEXT_HEADERS([langinfo.h])
 
   dnl Determine whether <langinfo.h> exists. It is missing on mingw and BeOS.
   HAVE_LANGINFO_CODESET=0
+  HAVE_LANGINFO_T_FMT_AMPM=0
   HAVE_LANGINFO_ERA=0
+  HAVE_LANGINFO_YESEXPR=0
   AC_CHECK_HEADERS_ONCE([langinfo.h])
   if test $ac_cv_header_langinfo_h = yes; then
     HAVE_LANGINFO_H=1
     dnl Determine what <langinfo.h> defines. CODESET and ERA etc. are missing
-    dnl on OpenBSD 3.8.
+    dnl on OpenBSD 3.8. T_FMT_AMPM and YESEXPR, NOEXPR are missing on IRIX 5.3.
     AC_CACHE_CHECK([whether langinfo.h defines CODESET],
       [gl_cv_header_langinfo_codeset],
       [AC_COMPILE_IFELSE(
@@ -33,6 +36,18 @@ int a = CODESET;
     if test $gl_cv_header_langinfo_codeset = yes; then
       HAVE_LANGINFO_CODESET=1
     fi
+    AC_CACHE_CHECK([whether langinfo.h defines T_FMT_AMPM],
+      [gl_cv_header_langinfo_t_fmt_ampm],
+      [AC_COMPILE_IFELSE(
+         [AC_LANG_PROGRAM([[#include <langinfo.h>
+int a = T_FMT_AMPM;
+]])],
+         [gl_cv_header_langinfo_t_fmt_ampm=yes],
+         [gl_cv_header_langinfo_t_fmt_ampm=no])
+      ])
+    if test $gl_cv_header_langinfo_t_fmt_ampm = yes; then
+      HAVE_LANGINFO_T_FMT_AMPM=1
+    fi
     AC_CACHE_CHECK([whether langinfo.h defines ERA],
       [gl_cv_header_langinfo_era],
       [AC_COMPILE_IFELSE(
@@ -45,26 +60,40 @@ int a = ERA;
     if test $gl_cv_header_langinfo_era = yes; then
       HAVE_LANGINFO_ERA=1
     fi
+    AC_CACHE_CHECK([whether langinfo.h defines YESEXPR],
+      [gl_cv_header_langinfo_yesexpr],
+      [AC_COMPILE_IFELSE(
+         [AC_LANG_PROGRAM([[#include <langinfo.h>
+int a = YESEXPR;
+]])],
+         [gl_cv_header_langinfo_yesexpr=yes],
+         [gl_cv_header_langinfo_yesexpr=no])
+      ])
+    if test $gl_cv_header_langinfo_yesexpr = yes; then
+      HAVE_LANGINFO_YESEXPR=1
+    fi
   else
     HAVE_LANGINFO_H=0
   fi
   AC_SUBST([HAVE_LANGINFO_H])
   AC_SUBST([HAVE_LANGINFO_CODESET])
+  AC_SUBST([HAVE_LANGINFO_T_FMT_AMPM])
   AC_SUBST([HAVE_LANGINFO_ERA])
+  AC_SUBST([HAVE_LANGINFO_YESEXPR])
 
-  if test $HAVE_LANGINFO_H = 1 && test $HAVE_LANGINFO_CODESET = 1 && test $HAVE_LANGINFO_ERA = 1; then
-    LANGINFO_H=
-  else
-    LANGINFO_H='langinfo.h'
-  fi
-  AC_SUBST([LANGINFO_H])
+  dnl Check for declarations of anything we want to poison if the
+  dnl corresponding gnulib module is not in use.
+  gl_WARN_ON_USE_PREPARE([[#include <langinfo.h>
+    ]], [nl_langinfo])
 ])
 
 AC_DEFUN([gl_LANGINFO_MODULE_INDICATOR],
 [
   dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
   AC_REQUIRE([gl_LANGINFO_H_DEFAULTS])
-  GNULIB_[]m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./-],[ABCDEFGHIJKLMNOPQRSTUVWXYZ___])=1
+  gl_MODULE_INDICATOR_SET_VARIABLE([$1])
+  dnl Define it also as a C macro, for the benefit of the unit tests.
+  gl_MODULE_INDICATOR_FOR_TESTS([$1])
 ])
 
 AC_DEFUN([gl_LANGINFO_H_DEFAULTS],