MacOSX clang silently swallows unrecognized -f options when doing a link with '-framework' also on the command line, so to detect support for the various -fstack-protector options we must do a plain .c to .o compile, not a complete compile-and-link.
Signed-off-by: Peter Maydell <peter.mayd...@linaro.org> --- This should be a pretty safe change and it prevents clang/MacOSX builds from spewing a warning on every C file compilation, so I'd like to get it into 2.0. configure | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/configure b/configure index eb0e7bb..c85475f 100755 --- a/configure +++ b/configure @@ -1448,7 +1448,7 @@ done if test "$stack_protector" != "no" ; then gcc_flags="-fstack-protector-strong -fstack-protector-all" for flag in $gcc_flags; do - if compile_prog "-Werror $flag" "" ; then + if do_cc $QEMU_CFLAGS -Werror $flag -c -o $TMPO $TMPC ; then QEMU_CFLAGS="$QEMU_CFLAGS $flag" LIBTOOLFLAGS="$LIBTOOLFLAGS -Wc,$flag" break -- 1.8.5.4