diff options
Diffstat (limited to 'auto/lib/libatomic/conf')
| -rw-r--r-- | auto/lib/libatomic/conf | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/auto/lib/libatomic/conf b/auto/lib/libatomic/conf new file mode 100644 index 000000000..214feb37a --- /dev/null +++ b/auto/lib/libatomic/conf @@ -0,0 +1,41 @@ + +# Copyright (C) Igor Sysoev + + +if [ $NGX_LIBATOMIC != YES ]; then + + have=NGX_HAVE_LIBATOMIC . auto/have + CORE_INCS="$CORE_INCS $NGX_LIBATOMIC/src" + LINK_DEPS="$LINK_DEPS $NGX_LIBATOMIC/src/libatomic_ops.a" + CORE_LIBS="$CORE_LIBS $NGX_LIBATOMIC/src/libatomic_ops.a" + +else + + ngx_feature="atomic_ops library" + ngx_feature_name=NGX_HAVE_LIBATOMIC + ngx_feature_run=yes + ngx_feature_incs="#include <atomic_ops.h>" + ngx_feature_path= + ngx_feature_libs="-latomic_ops" + ngx_feature_test="long n = 0; + if (!AO_compare_and_swap(&n, 0, 1)) + return 1; + if (AO_fetch_and_add(&n, 1) != 1) + return 1; + if (n != 2) + return 1; + AO_nop();" + . auto/feature + + if [ $ngx_found = yes ]; then + CORE_LIBS="$CORE_LIBS $ngx_feature_libs" + else + +cat << END + +$0: error: libatomic_ops library was not found. + +END + exit 1 + fi +fi |