diff options
author | ngoto <ngoto@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2018-05-15 20:48:23 +0000 |
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committer | ngoto <ngoto@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2018-05-15 20:48:23 +0000 |
commit | 577002efacf9a4c47e5a0e32f9fa9e55d25dc0b7 (patch) | |
tree | 75121c86eff601de683d07d496a03617b4dc246f /configure.ac | |
parent | 80bf542a6ccc8988e7ac6dbabcfe8955c587d402 (diff) |
Change logic to check _XOPEN_SOURCE on Solaris
* configure.ac: Change logic to check _XOPEN_SOURCE on Solaris.
With _XOPEN_SOURCE, "-std=gnu99" may also be added to CPPFLAGS.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63438 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'configure.ac')
-rw-r--r-- | configure.ac | 23 |
1 files changed, 12 insertions, 11 deletions
diff --git a/configure.ac b/configure.ac index f467a85ee9..09cf8687fa 100644 --- a/configure.ac +++ b/configure.ac @@ -836,16 +836,7 @@ main() AS_IF([test x"$define_xopen_source" != x], [ break ]) - # Both AC_TRY_CPP and AC_TRY_COMPILE should pass - # because some options may not be set to CPPFLAGS. - AC_TRY_CPP([ - #define _XOPEN_SOURCE ${tmp_xpg}00 - #include <unistd.h> - #ifndef _XPG${tmp_xpg} - #error _XPG${tmp_xpg} should be defined by _XOPEN_SOURCE=${tmp_xpg}00 - #endif - ], [ - AC_TRY_COMPILE([ + RUBY_WERROR_FLAG([AC_TRY_COMPILE([ #define _XOPEN_SOURCE ${tmp_xpg}00 #include <unistd.h> #ifndef _XPG${tmp_xpg} @@ -853,7 +844,7 @@ main() #endif ], [], [define_xopen_source=${tmp_xpg}00], []) - ], []) + ]) done AS_IF([test x"$define_xopen_source" = x], [ define_xopen_source=no @@ -861,6 +852,16 @@ main() AC_MSG_RESULT($define_xopen_source) AS_IF([test x"$define_xopen_source" != xno], [ RUBY_APPEND_OPTIONS(CPPFLAGS, -D_XOPEN_SOURCE=$define_xopen_source) + # On Solaris, with gcc, "-std=gnu99" would be needed + # for using "-D_XOPEN_SOURCE=nnn" when nnn >= 600. + # ("-std=gnu99" have been added to both $warnflags and + # $strict_warnflags. During the above AC_TRY_COMPILE, + # $warnflags is effective, but the value will later be + # replaced with $rb_cv_warnflags.) + AS_CASE(["${warnflags}"], + [*-std=gnu99*], [ + RUBY_APPEND_OPTIONS(CPPFLAGS, -std=gnu99) + ]) ]) ]) ], |