From patchwork Mon Apr 30 23:25:07 2012
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Subject: skip tpf configure tests
Date: Mon, 30 Apr 2012 13:25:07 -0000
From: DJ Delorie <dj@redhat.com>
X-Patchwork-Id: 155978
Message-Id: <201204302325.q3UNP7Ne030994@greed.delorie.com>
To: libstdc++@gcc.gnu.org, gcc-patches@gcc.gnu.org

* crossconfig.m4: Since we know that all TPF builds are cross-
	builds and cannot run configuration-time link tests, do not 
	allow it; just go with known supported linker options.
	* configure: Regenerate (called as GLIBCXX_CROSSCONFIG).


Index: crossconfig.m4
===================================================================
--- crossconfig.m4	(revision 187002)
+++ crossconfig.m4	(working copy)
@@ -219,14 +219,14 @@ case "${host}" in
     AC_DEFINE(HAVE_ISNANF)
     AC_DEFINE(HAVE_MODFF)
     AC_DEFINE(HAVE_HYPOT)
     ;;
   *-tpf)
     SECTION_FLAGS='-ffunction-sections -fdata-sections'
+    SECTION_LDFLAGS='-Wl,--gc-sections $SECTION_LDFLAGS'
     AC_SUBST(SECTION_FLAGS)
-    GLIBCXX_CHECK_LINKER_FEATURES
     AC_DEFINE(HAVE_FINITE)
     AC_DEFINE(HAVE_FINITEF)
     AC_DEFINE(HAVE_FREXPF)
     AC_DEFINE(HAVE_HYPOTF)
     AC_DEFINE(HAVE_ISINF)
     AC_DEFINE(HAVE_ISINFF)