| |
| # Copyright (C) Igor Sysoev |
| # Copyright (C) Nginx, Inc. |
| |
| |
| 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="#define AO_REQUIRE_CAS |
| #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 |