# by default. Only enable by default for git builds
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"
# 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
arm|aarch64)
libseccomp_minver="2.2.3"
;;
+ ppc|ppc64)
+ libseccomp_minver="2.3.0"
+ ;;
*)
libseccomp_minver=""
;;
posix_madvise=yes
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
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 $vhost_net"
if test "$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