From patchwork Mon Sep 19 22:43:11 2011
Content-Type: text/plain; charset="utf-8"
MIME-Version: 1.0
Content-Transfer-Encoding: 7bit
Subject: --enable-dynamic-string default for mingw-w64
Date: Mon, 19 Sep 2011 12:43:11 -0000
From: JonY <jon_y@users.sourceforge.net>
X-Patchwork-Id: 115398
Message-Id: <4E77C57F.40808@users.sourceforge.net>
To: Gcc Patch List <gcc-patches@gcc.gnu.org>

Hi,

Its been used in the automated toolchain builds for sometime, seems like
a good idea to enable it by default. It can be easily changed to match
for all mingw as well if needed.

OK for trunk?


Index: libstdc++-v3/configure.ac
===================================================================
--- libstdc++-v3/configure.ac   (revision 178946)
+++ libstdc++-v3/configure.ac   (working copy)
@@ -132,7 +132,15 @@
 GLIBCXX_ENABLE_DEBUG([no])
 GLIBCXX_ENABLE_PARALLEL([yes])
 GLIBCXX_ENABLE_CXX_FLAGS
-GLIBCXX_ENABLE_FULLY_DYNAMIC_STRING([no])
+case "$host" in
+  # Enable fully ynamic strings on mingw-w64 by default
+  i?86-w64-mingw* | x86_64-w64-mingw*)
+    GLIBCXX_ENABLE_FULLY_DYNAMIC_STRING([yes])
+    ;;
+  *)
+    GLIBCXX_ENABLE_FULLY_DYNAMIC_STRING([no])
+    ;;
+esac
 GLIBCXX_ENABLE_EXTERN_TEMPLATE([yes])

 # Checks for operating systems support that doesn't require linking.