diff options
Diffstat (limited to 'configure')
| -rwxr-xr-x | configure | 57 |
1 files changed, 13 insertions, 44 deletions
@@ -270,7 +270,6 @@ aix="no" blobs="yes" pkgversion="" pie="" -zero_malloc="" qom_cast_debug="yes" trace_backends="log" trace_file="trace" @@ -1389,11 +1388,9 @@ fi # Consult white-list to determine whether to enable werror # by default. Only enable by default for git builds -z_version=$(cut -f3 -d. $source_path/VERSION) - if test -z "$werror" ; then if test -d "$source_path/.git" -a \ - "$linux" = "yes" ; then + \( "$linux" = "yes" -o "$mingw32" = "yes" \) ; then werror="yes" else werror="no" @@ -1782,13 +1779,20 @@ fi # avx2 optimization requirement check cat > $TMPC << EOF -static void bar(void) {} +#pragma GCC push_options +#pragma GCC target("avx2") +#include <cpuid.h> +#include <immintrin.h> + +static int bar(void *a) { + return _mm256_movemask_epi8(_mm256_cmpeq_epi8(*(__m256i *)a, (__m256i){0})); +} static void *bar_ifunc(void) {return (void*) bar;} -static void foo(void) __attribute__((ifunc("bar_ifunc"))); -int main(void) { foo(); return 0; } +int foo(void *a) __attribute__((ifunc("bar_ifunc"))); +int main(int argc, char *argv[]) { return foo(argv[0]);} EOF -if compile_prog "-mavx2" "" ; then - if readelf --syms $TMPE |grep "IFUNC.*foo" >/dev/null 2>&1; then +if compile_object "" ; then + if readelf --syms $TMPO |grep "IFUNC.*foo" >/dev/null 2>&1; then avx2_opt="yes" fi fi @@ -4178,24 +4182,6 @@ if compile_prog "" "" ; then fi ########################################## -# check if we have usable SIGEV_THREAD_ID - -sigev_thread_id=no -cat > $TMPC << EOF -#include <signal.h> -int main(void) { - struct sigevent ev; - ev.sigev_notify = SIGEV_THREAD_ID; - ev._sigev_un._tid = 0; - asm volatile("" : : "g"(&ev)); - return 0; -} -EOF -if compile_prog "" "" ; then - sigev_thread_id=yes -fi - -########################################## # check if trace backend exists $python "$source_path/scripts/tracetool.py" "--backends=$trace_backends" --check-backends > /dev/null 2> /dev/null @@ -4574,16 +4560,6 @@ if test "$libnfs" != "no" ; then fi fi -# Disable zero malloc errors for official releases unless explicitly told to -# enable/disable -if test -z "$zero_malloc" ; then - if test "$z_version" = "50" ; then - zero_malloc="no" - else - zero_malloc="yes" - fi -fi - # Now we've finished running tests it's OK to add -Werror to the compiler flags if test "$werror" = "yes"; then QEMU_CFLAGS="-Werror $QEMU_CFLAGS" @@ -4862,7 +4838,6 @@ echo "preadv support $preadv" echo "fdatasync $fdatasync" echo "madvise $madvise" echo "posix_madvise $posix_madvise" -echo "sigev_thread_id $sigev_thread_id" echo "uuid support $uuid" echo "libcap-ng support $cap_ng" echo "vhost-net support $vhost_net" @@ -5277,9 +5252,6 @@ fi if test "$posix_madvise" = "yes" ; then echo "CONFIG_POSIX_MADVISE=y" >> $config_host_mak fi -if test "$sigev_thread_id" = "yes" ; then - echo "CONFIG_SIGEV_THREAD_ID=y" >> $config_host_mak -fi if test "$spice" = "yes" ; then echo "CONFIG_SPICE=y" >> $config_host_mak @@ -5342,9 +5314,6 @@ if [ "$bsd" = "yes" ] ; then echo "CONFIG_BSD=y" >> $config_host_mak fi -if test "$zero_malloc" = "yes" ; then - echo "CONFIG_ZERO_MALLOC=y" >> $config_host_mak -fi if test "$localtime_r" = "yes" ; then echo "CONFIG_LOCALTIME_R=y" >> $config_host_mak fi |