On 6 June 2012 10:03, Avi Kivity <a...@redhat.com> wrote: > Fedora 17's toolchain wants optimization enabled for _FORTIFY_SOURCE; > so disable _FORTIFY_SOURCE when debugging.
Well, that sucks, but it seems to be a deliberate change in upstream glibc to make it warn now :-( I guess everybody in the world will have to fix their makefiles... > Signed-off-by: Avi Kivity <a...@redhat.com> > --- > configure | 3 +-- > 1 file changed, 1 insertion(+), 2 deletions(-) > > diff --git a/configure b/configure > index 1f338f8..88d9c5b 100755 > --- a/configure > +++ b/configure > @@ -255,7 +255,6 @@ QEMU_CFLAGS="-fno-strict-aliasing $QEMU_CFLAGS" > QEMU_CFLAGS="-Wall -Wundef -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS" > QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS" > QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE > $QEMU_CFLAGS" > -QEMU_CFLAGS="-D_FORTIFY_SOURCE=2 $QEMU_CFLAGS" > QEMU_INCLUDES="-I. -I\$(SRC_PATH) -I\$(SRC_PATH)/fpu" > if test "$debug_info" = "yes"; then > CFLAGS="-g $CFLAGS" > @@ -2851,7 +2850,7 @@ fi > # After here, no more $cc or $ld runs > > if test "$debug" = "no" ; then > - CFLAGS="-O2 $CFLAGS" > + CFLAGS="-O2 -D_FORTIFY_SOURCE=2 $CFLAGS" > fi It feels a bit odd to have the FORTIFY_SOURCE define in CFLAGS rather than QEMU_CFLAGS, but I think it should behave correctly so I think it's right. -- PMM