scons: Use -static-libstdc++ on 32bits builds w/ Mingw-w64 too.

diff --git a/scons/gallium.py b/scons/gallium.py
index c3350b3ca635b3c495809a7a24ee4b9009b1e3c8..18be73f769f5df0f871df5b5cfdaf8740e84ebd6 100755 (executable)
--- a/scons/gallium.py
+++ b/scons/gallium.py
@@ -540,7 +540,7 @@ def generate(env):
         if env['platform'] == 'windows':
             # Avoid depending on gcc runtime DLLs
             linkflags += ['-static-libgcc']
-            if env['machine'] == 'x86_64':
+            if 'w64' in env['CC'].split('-'):
                 linkflags += ['-static-libstdc++']
             # Handle the @xx symbol munging of DLL exports
             shlinkflags += ['-Wl,--enable-stdcall-fixup']