diff options
Diffstat (limited to 'configure')
| -rwxr-xr-x | configure | 73 |
1 files changed, 0 insertions, 73 deletions
@@ -227,7 +227,6 @@ cross_compile="no" cross_prefix="" host_cc="cc" stack_protector="" -safe_stack="" use_containers="yes" gdb_bin=$(command -v "gdb-multiarch" || command -v "gdb") gdb_arches="" @@ -830,10 +829,6 @@ for opt do ;; --disable-stack-protector) stack_protector="no" ;; - --enable-safe-stack) safe_stack="yes" - ;; - --disable-safe-stack) safe_stack="no" - ;; --enable-cfi) cfi="true"; meson_option_add -Db_lto=true @@ -1024,8 +1019,6 @@ cat << EOF pie Position Independent Executables debug-tcg TCG debugging (default is disabled) debug-info debugging information - safe-stack SafeStack Stack Smash Protection. Depends on - clang/llvm and requires coroutine backend ucontext. NOTE: The object files are built at the place where configure is launched EOF @@ -1521,68 +1514,6 @@ else esac fi -################################################## -# SafeStack - - -if test "$safe_stack" = "yes"; then -cat > $TMPC << EOF -int main(void) -{ -#if ! __has_feature(safe_stack) -#error SafeStack Disabled -#endif - return 0; -} -EOF - flag="-fsanitize=safe-stack" - # Check that safe-stack is supported and enabled. - if compile_prog "-Werror $flag" "$flag"; then - # Flag needed both at compilation and at linking - QEMU_CFLAGS="$QEMU_CFLAGS $flag" - QEMU_LDFLAGS="$QEMU_LDFLAGS $flag" - else - error_exit "SafeStack not supported by your compiler" - fi - if test "$coroutine" != "ucontext"; then - error_exit "SafeStack is only supported by the coroutine backend ucontext" - fi -else -cat > $TMPC << EOF -int main(void) -{ -#if defined(__has_feature) -#if __has_feature(safe_stack) -#error SafeStack Enabled -#endif -#endif - return 0; -} -EOF -if test "$safe_stack" = "no"; then - # Make sure that safe-stack is disabled - if ! compile_prog "-Werror" ""; then - # SafeStack was already enabled, try to explicitly remove the feature - flag="-fno-sanitize=safe-stack" - if ! compile_prog "-Werror $flag" "$flag"; then - error_exit "Configure cannot disable SafeStack" - fi - QEMU_CFLAGS="$QEMU_CFLAGS $flag" - QEMU_LDFLAGS="$QEMU_LDFLAGS $flag" - fi -else # "$safe_stack" = "" - # Set safe_stack to yes or no based on pre-existing flags - if compile_prog "-Werror" ""; then - safe_stack="no" - else - safe_stack="yes" - if test "$coroutine" != "ucontext"; then - error_exit "SafeStack is only supported by the coroutine backend ucontext" - fi - fi -fi -fi - ######################################## # check if ccache is interfering with # semantic analysis of macros @@ -2242,10 +2173,6 @@ if test "$ccache_cpp2" = "yes"; then echo "export CCACHE_CPP2=y" >> $config_host_mak fi -if test "$safe_stack" = "yes"; then - echo "CONFIG_SAFESTACK=y" >> $config_host_mak -fi - # tests/tcg configuration (config_host_mak=tests/tcg/config-host.mak mkdir -p tests/tcg |