diff options
Diffstat (limited to 'm4/virt-compile-warnings.m4')
| -rw-r--r-- | m4/virt-compile-warnings.m4 | 22 |
1 files changed, 0 insertions, 22 deletions
diff --git a/m4/virt-compile-warnings.m4 b/m4/virt-compile-warnings.m4 index ce4e244920..c6794b7617 100644 --- a/m4/virt-compile-warnings.m4 +++ b/m4/virt-compile-warnings.m4 @@ -60,18 +60,6 @@ AC_DEFUN([LIBVIRT_COMPILE_WARNINGS],[ # gcc 4.4.6 complains this is C++ only; gcc 4.7.0 implies this from -Wall dontwarn="$dontwarn -Wenum-compare" - # clang rather horribly ignores unknown warning flags by - # default. Thus to get gl_WARN_ADD to reliably detect - # flags, we need to set '-Werror -Wunknown-warning-option' - # in CFLAGS while probing support - WARN_CFLAGS= - orig_CFLAGS="$CFLAGS" - gl_WARN_ADD([-Wunknown-warning-option]) - if test -n "$WARN_CFLAGS" ; then - WARN_CFLAGS= - CFLAGS="-Werror -Wunknown-warning-option $CFLAGS" - fi - # gcc 4.2 treats attribute(format) as an implicit attribute(nonnull), # which triggers spurious warnings for our usage AC_CACHE_CHECK([whether gcc -Wformat allows NULL strings], @@ -197,13 +185,6 @@ AC_DEFUN([LIBVIRT_COMPILE_WARNINGS],[ dnl gl_WARN_ADD([-fstack-protector]) gl_WARN_ADD([-fstack-protector-all]) gl_WARN_ADD([--param=ssp-buffer-size=4]) - dnl Even though it supports it, clang complains about - dnl use of --param=ssp-buffer-size=4 unless used with - dnl the -c arg. It doesn't like it when used with args - dnl that just link together .o files. Unfortunately - dnl we can't avoid that with automake, so we must turn - dnl off the following clang specific warning - gl_WARN_ADD([-Wno-unused-command-line-argument]) ;; *-*-freebsd*) dnl FreeBSD ships old gcc 4.2.1 which doesn't handle @@ -244,7 +225,4 @@ AC_DEFUN([LIBVIRT_COMPILE_WARNINGS],[ AC_DEFINE_UNQUOTED([BROKEN_GCC_WLOGICALOP], 1, [Define to 1 if gcc -Wlogical-op reports false positives on strchr]) fi - - # Remove stuff we set for clang - CFLAGS="$orig_CFLAGS" ]) |