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| author | Nobuyoshi Nakada <nobu@ruby-lang.org> | 2019-08-20 01:58:45 +0900 |
|---|---|---|
| committer | Nobuyoshi Nakada <nobu@ruby-lang.org> | 2019-08-20 02:14:28 +0900 |
| commit | 19b0161b851ba32d5bc6c367db5b520d35905d6b (patch) | |
| tree | 3889f0039e7457dca4088ab68b7bd1997792307b | |
| parent | 588b74e8d84532d3eb0e4aa06372b7a6b171b9cd (diff) | |
Check whether syscall(2) is deprecated by actual warnings
| -rw-r--r-- | configure.ac | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac index a6231b694c..093010d301 100644 --- a/configure.ac +++ b/configure.ac @@ -794,7 +794,13 @@ AS_CASE(["$target_os"], ORIG_LIBS="$LIBS" RUBY_PREPEND_OPTION(LIBS, -lobjc) RUBY_APPEND_OPTIONS(CPPFLAGS, -D_XOPEN_SOURCE -D_DARWIN_C_SOURCE -D_DARWIN_UNLIMITED_SELECT -D_REENTRANT) - AS_IF([test "${target_os@%:@darwin}" -ge 16], [ + AC_CACHE_CHECK([whether syscall(2) is deprecated], rb_cv_syscall_deprecated, + [RUBY_WERROR_FLAG([ + AC_TRY_COMPILE([@%:@include <unistd.h>], + [if (syscall(0)) return 1;], + [rb_cv_syscall_deprecated=no], + [rb_cv_syscall_deprecated=yes])])]) + AS_IF([test $rb_cv_syscall_deprecated = yes], [ ac_cv_func___syscall=no ac_cv_func_syscall=no ac_cv_header_sys_syscall_h=no |