diff options
author | Kevin Wolf | 2013-02-22 21:08:51 +0100 |
---|---|---|
committer | Anthony Liguori | 2013-02-22 21:48:24 +0100 |
commit | c95e3080a44946ac5739542b549f5a10ee4ec377 (patch) | |
tree | 9e2912939a2bb74bb52f0572a7c8e5beff5c3253 /configure | |
parent | ui/gtk: require at least GTK 2.18 and VTE 0.26 (diff) | |
download | qemu-c95e3080a44946ac5739542b549f5a10ee4ec377.tar.gz qemu-c95e3080a44946ac5739542b549f5a10ee4ec377.tar.xz qemu-c95e3080a44946ac5739542b549f5a10ee4ec377.zip |
Reenable -Wstrict-prototypes
One part of this patch reverts commit 22bc9a46, which disabled the
warning. The rest of it deals with the warning by adding a #pragma for
newer gcc and by disabling -Werror for compilers that can't deal with
the #pragma.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-id: 1361563731-13307-1-git-send-email-kwolf@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Diffstat (limited to 'configure')
-rwxr-xr-x | configure | 19 |
1 files changed, 13 insertions, 6 deletions
@@ -284,7 +284,7 @@ sdl_config="${SDL_CONFIG-${cross_prefix}sdl-config}" # default flags for all hosts QEMU_CFLAGS="-fno-strict-aliasing $QEMU_CFLAGS" QEMU_CFLAGS="-Wall -Wundef -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS" -QEMU_CFLAGS="-Wredundant-decls $QEMU_CFLAGS" +QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS" QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS" QEMU_INCLUDES="-I. -I\$(SRC_PATH) -I\$(SRC_PATH)/include" if test "$debug_info" = "yes"; then @@ -3115,20 +3115,27 @@ if compile_prog "" "" ; then fi ######################################## -# check whether we can disable the -Wunused-but-set-variable -# option with a pragma (this is needed to silence a warning in -# some versions of the valgrind VALGRIND_STACK_DEREGISTER macro.) -# This test has to be compiled with -Werror as otherwise an -# unknown pragma is only a warning. +# check whether we can disable warning option with a pragma (this is needed +# to silence warnings in the headers of some versions of external libraries). +# This test has to be compiled with -Werror as otherwise an unknown pragma is +# only a warning. +# +# If we can't selectively disable warning in the code, disable -Werror so that +# the build doesn't fail anyway. + pragma_disable_unused_but_set=no cat > $TMPC << EOF #pragma GCC diagnostic ignored "-Wunused-but-set-variable" +#pragma GCC diagnostic ignored "-Wstrict-prototypes" + int main(void) { return 0; } EOF if compile_prog "-Werror" "" ; then pragma_diagnostic_available=yes +else + werror=no fi ######################################## |