diff options
Diffstat (limited to 'meson.build')
| -rw-r--r-- | meson.build | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/meson.build b/meson.build index 7a262051b7..6dc38a7916 100644 --- a/meson.build +++ b/meson.build @@ -1808,6 +1808,26 @@ config_host_data.set('CONFIG_AVX512F_OPT', get_option('avx512f') \ int main(int argc, char *argv[]) { return bar(argv[0]); } '''), error_message: 'AVX512F not available').allowed()) +if get_option('membarrier').disabled() + have_membarrier = false +elif targetos == 'windows' + have_membarrier = true +elif targetos == 'linux' + have_membarrier = cc.compiles(''' + #include <linux/membarrier.h> + #include <sys/syscall.h> + #include <unistd.h> + #include <stdlib.h> + int main(void) { + syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0); + syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0); + exit(0); + }''') +endif +config_host_data.set('CONFIG_MEMBARRIER', get_option('membarrier') \ + .require(have_membarrier, error_message: 'membarrier system call not available') \ + .allowed()) + config_host_data.set('CONFIG_AF_VSOCK', cc.compiles(gnu_source_prefix + ''' #include <errno.h> #include <sys/types.h> @@ -3331,7 +3351,7 @@ summary_info += {'link-time optimization (LTO)': get_option('b_lto')} summary_info += {'PIE': get_option('b_pie')} summary_info += {'static build': config_host.has_key('CONFIG_STATIC')} summary_info += {'malloc trim support': has_malloc_trim} -summary_info += {'membarrier': config_host.has_key('CONFIG_MEMBARRIER')} +summary_info += {'membarrier': have_membarrier} summary_info += {'debug stack usage': config_host.has_key('CONFIG_DEBUG_STACK_USAGE')} summary_info += {'mutex debugging': config_host.has_key('CONFIG_DEBUG_MUTEX')} summary_info += {'memory allocator': get_option('malloc')} |