[Qemu-devel] [PATCH] configure: don't apply -O2 if extra-cflags sets -O

[Alex Bennée]

If your trying to debug and want to force -O0 then don't allow the
configure script to try and set -O2. You can use --enable-debug but that
enables a lot more stuff by default.

Signed-off-by: Alex Bennée <address@hidden>
---
 configure | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/configure b/configure
index b707429..be1f354 100755
--- a/configure
+++ b/configure
@@ -4240,7 +4240,10 @@ if test "$gcov" = "yes" ; then
   CFLAGS="-fprofile-arcs -ftest-coverage -g $CFLAGS"
   LDFLAGS="-fprofile-arcs -ftest-coverage $LDFLAGS"
 elif test "$debug" = "no" ; then
-  CFLAGS="-O2 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $CFLAGS"
+    if test "${EXTRA_CFLAGS#*-O}" = "$EXTRA_CFLAGS"; then
+        CFLAGS="-O2 $CFLAGS"
+    fi
+    CFLAGS="-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $CFLAGS"
 fi
 
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-- 
2.4.1