From patchwork Fri Mar 30 14:25:20 2012
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Subject: : Support VMS in libstdc++ crossconfig.m4
Date: Fri, 30 Mar 2012 04:25:20 -0000
From: Tristan Gingold <gingold@adacore.com>
X-Patchwork-Id: 149663
Message-Id: <04B01F74-0792-43C9-BC2C-219557FBAA20@adacore.com>
To: GCC Patches <gcc-patches@gcc.gnu.org>, libstdc++@gcc.gnu.org
Cc: bkoz@redhat.com

Hi,

currently all VMS compilers are built on Unix.  So, to build the libstdc++ library, this looks like the minimum required.

Tested by build libstdc++ for ia64-hp-openvms.

Ok for trunk ?

Tristan.

libstdc++/
2012-03-30  Tristan Gingold  <gingold@adacore.com>

	* crossconfig.m4 (*-*-*vms*): Add.
	* configure: Regenerate.


diff --git a/libstdc++-v3/crossconfig.m4 b/libstdc++-v3/crossconfig.m4
index 3850879..e208fbf 100644
--- a/libstdc++-v3/crossconfig.m4
+++ b/libstdc++-v3/crossconfig.m4
@@ -241,6 +241,12 @@ case "${host}" in
       AC_DEFINE(HAVE_ISNANL)
     fi
     ;;
+  *-*vms*)
+    # Check for available headers.
+    # Don't call GLIBCXX_CHECK_LINKER_FEATURES, VMS doesn't have a GNU ld
+    GLIBCXX_CHECK_MATH_SUPPORT
+    GLIBCXX_CHECK_STDLIB_SUPPORT
+    ;;
   *-vxworks)
     AC_DEFINE(HAVE_ACOSF)
     AC_DEFINE(HAVE_ASINF)