configure, meson: move membarrier test to meson

The test is a bit different from the others, in that it does not run
if $membarrier is empty.  For meson, the default can simply be disabled;
if one day we will toggle the default, no change is needed in meson.build.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/scripts/meson-buildoptions.sh b/scripts/meson-buildoptions.sh
index dcfc39ec6b..c204ede02b 100644
--- a/scripts/meson-buildoptions.sh
+++ b/scripts/meson-buildoptions.sh
@@ -65,6 +65,7 @@ meson_options_help() {
   printf "%s\n" '  lzfse           lzfse support for DMG images'
   printf "%s\n" '  lzo             lzo compression support'
   printf "%s\n" '  malloc-trim     enable libc malloc_trim() for memory optimization'
+  printf "%s\n" '  membarrier      membarrier system call (for Linux 4.14+ or Windows'
   printf "%s\n" '  mpath           Multipath persistent reservation passthrough'
   printf "%s\n" '  multiprocess    Out of process device emulation support'
   printf "%s\n" '  netmap          netmap network backend support'
@@ -204,6 +205,8 @@ _meson_option_parse() {
     --enable-malloc=*) quote_sh "-Dmalloc=$2" ;;
     --enable-malloc-trim) printf "%s" -Dmalloc_trim=enabled ;;
     --disable-malloc-trim) printf "%s" -Dmalloc_trim=disabled ;;
+    --enable-membarrier) printf "%s" -Dmembarrier=enabled ;;
+    --disable-membarrier) printf "%s" -Dmembarrier=disabled ;;
     --enable-mpath) printf "%s" -Dmpath=enabled ;;
     --disable-mpath) printf "%s" -Dmpath=disabled ;;
     --enable-multiprocess) printf "%s" -Dmultiprocess=enabled ;;