On 07/13/2011 01:26 PM, Marcin Baczyński wrote:
---
Without this patch CFLAGS=-fstrict-aliasing ./autogen.sh ... has no effect,
as the flag is followed by -fno-strict-aliasing added by configure.
configure.ac | 8 ++++++++
1 files changed, 8 insertions(+), 0 deletions(-)
diff --git a/configure.ac b/configure.ac
index eace790..ef9f4b2 100644
--- a/configure.ac
+++ b/configure.ac
@@ -17,6 +17,10 @@ AC_INIT([Mesa],[mesa_version],
AC_CONFIG_AUX_DIR([bin])
AC_CANONICAL_HOST
+dnl Save user CFLAGS and CXXFLAGS so one can override the default ones
+USER_CFLAGS="$CFLAGS"
+USER_CXXFLAGS="$CXXFLAGS"
+
dnl Versions for external dependencies
LIBDRM_REQUIRED=2.4.24
LIBDRM_RADEON_REQUIRED=2.4.24
@@ -1906,6 +1910,10 @@ dnl Restore LDFLAGS and CPPFLAGS
LDFLAGS="$_SAVE_LDFLAGS"
CPPFLAGS="$_SAVE_CPPFLAGS"
+dnl Add user CFLAGS and CXXFLAGS
+CFLAGS="$CFLAGS $USER_CFLAGS"
+CXXFLAGS="$CXXFLAGS $USER_CXXFLAGS"
+
dnl Substitute the config
AC_CONFIG_FILES([configs/autoconf])
Looks OK to me, but an autoconf expert should probably verify that
this is the right fix. Anyone???
-Brian
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