[Xen-devel] [PATCH v2] qemu/configure: fix CFLAGS handling for i386

[Olaf Hering <olaf@xxxxxxxxx>]

configure will generate incorrect CFLAGS which will lead to compile
errors due to unknown gcc options, iff CFLAGS was already in the
environment during configure invocation.

Add a space before the -march=i486 gcc option.
Remove += operator usage because configure is not a bash script.

This patch is against the qemu-xen tree, but it should apply also to
qemu.git since it has the same issue. Please apply to both trees.

Signed-off-by: Olaf Hering <olaf@xxxxxxxxx>

---
 configure |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Index: qemu-xen-dir-remote/configure
===================================================================
--- qemu-xen-dir-remote.orig/configure
+++ qemu-xen-dir-remote/configure
@@ -2637,7 +2637,7 @@ int main(int argc, char **argv)
 }
 EOF
   if ! compile_prog "" "" ; then
-    CFLAGS+="-march=i486"
+    CFLAGS="$CFLAGS -march=i486"
   fi
 fi
 

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