From cdd306bef327393903d2a2f3fe658feba87606e3 Mon Sep 17 00:00:00 2001
From: paolo <paolo@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Mon, 30 Jan 2006 14:17:49 +0000
Subject: 2006-01-30  Paolo Carlini  <pcarlini@suse.de>

	* include/tr1/cinttypes: New.
	* include/Makefile.am: Add.
	* testsuite/tr1/8_c_compatibility/cinttypes/functions: New.
	* testsuite/tr1/8_c_compatibility/cinttypes/types: Likewise.
	* acinclude.m4 ([GLIBCXX_CHECK_C99_TR1]): Add <inttypes.h> checks.
	* docs/html/ext/tr1.html: Update.
	* include/Makefile.in: Regenerate.
	* config.h.in: Likewise.
	* configure: Likewise.

	* testsuite/tr1/8_c_compatibility/cfenv/functions.cc: Cosmetic tweak.
	* testsuite/tr1/8_c_compatibility/cfenv/types.cc: Likewise.

	* testsuite/tr1/8_c_compatibility/cstdint/types.cc: Fix, check in
	std::tr1.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@110397 138bc75d-0d04-0410-961f-82ee72b054a4
---
 libstdc++-v3/acinclude.m4 | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

(limited to 'libstdc++-v3/acinclude.m4')

diff --git a/libstdc++-v3/acinclude.m4 b/libstdc++-v3/acinclude.m4
index d76dcebbeb2..22b94d1273d 100644
--- a/libstdc++-v3/acinclude.m4
+++ b/libstdc++-v3/acinclude.m4
@@ -1181,6 +1181,29 @@ AC_DEFUN([GLIBCXX_CHECK_C99_TR1], [
 	      <tr1/cstdint> in namespace std::tr1.])
   fi
 
+  # Check for the existence of <inttypes.h> functions.
+  AC_MSG_CHECKING([for ISO C99 support to TR1 in <inttypes.h>])
+  AC_CACHE_VAL(ac_c99_inttypes_tr1, [
+  AC_TRY_COMPILE([#include <inttypes.h>],
+	         [intmax_t i, numer, denom, base;
+	          const char* s;
+	          char** endptr;
+	          intmax_t ret;
+	          uintmax_t uret;
+	          imaxdiv_t dret;
+	          ret = imaxabs(i);
+	          dret = imaxdiv(numer, denom);
+	          ret = strtoimax(s, endptr, base);
+	          uret = strtoumax(s, endptr, base);
+		 ],[ac_c99_inttypes_tr1=yes], [ac_c99_inttypes_tr1=no])
+  ])
+  AC_MSG_RESULT($ac_c99_inttypes_tr1)
+  if test x"$ac_c99_inttypes_tr1" = x"yes"; then
+    AC_DEFINE(_GLIBCXX_USE_C99_INTTYPES_TR1, 1,
+              [Define if C99 functions in <inttypes.h> should be imported in
+	      <tr1/cinttypes> in namespace std::tr1.])
+  fi
+
   AC_LANG_RESTORE
 ])
 
-- 
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