fix QEMU tests

Author: mayeut

tools/build_steps.sh

@@ -202,6 +202,11 @@ function do_build_lib {
         echo "the utest samin/damin have been temporarily disabled."
         echo "QEMU does not support the 'lper' /'lpdr' instructions used"
     fi
+    if [ "$plat" == "loongarch64" ] || [ "$plat" == "ppc64le" ] [ "$plat" == "s390x" ]; then
+        sed -i 's/CTEST(fork, safety)/CTEST_SKIP(fork, safety)/g' ./utest/test_fork.c
+        sed -i 's/CTEST(fork, safety_after_fork_in_parent)/CTEST_SKIP(fork, safety_after_fork_in_parent)/g' ./utest/test_post_fork.c
+        echo "QEMU has a race condition preventing fork tests to work as expected"
+    fi
     if [ -n "$dynamic_list" ]; then
         CFLAGS="$CFLAGS -fvisibility=protected -Wno-uninitialized" \
         make BUFFERSIZE=20 DYNAMIC_ARCH=1 QUIET_MAKE=1 \