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* configure.in: On Solaris, add -D_XOPEN_SOURCE=n only when both

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AC_TRY_CPP and AC_TRY_COMPILE pass, because some options
  (e.g. -std=iso9899:1999) are not set when running C preprocessor
  or building ext.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52713 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
ngoto 2015-11-22 09:01:04 +00:00
parent a05ef8460a
commit 9546cb5272
2 changed files with 27 additions and 27 deletions
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7
ChangeLog
View file

@ -1,3 +1,10 @@
Sun Nov 22 17:59:50 2015 Naohisa Goto <ngotogenome@gmail.com>
* configure.in: On Solaris, add -D_XOPEN_SOURCE=n only when both
AC_TRY_CPP and AC_TRY_COMPILE pass, because some options
(e.g. -std=iso9899:1999) are not set when running C preprocessor
or building ext.
Sun Nov 22 16:53:34 2015 Nobuyoshi Nakada <nobu@ruby-lang.org>
* compile.c (iseq_peephole_optimize): remove unreachable code

47
configure.in
View file

@ -1105,36 +1105,29 @@ main()
if test $given_xopen_source = no; then
AC_MSG_CHECKING(appropriate _XOPEN_SOURCE value to define)
define_xopen_source=""
if test x"$define_xopen_source" = x; then
AC_TRY_COMPILE([
#define _XOPEN_SOURCE 700
for tmp_xpg in 7 6 5; do
if test x"$define_xopen_source" != x; then
break
fi
# 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 ${tmp_xpg}00
#include <unistd.h>
#ifndef _XPG7
#error _XPG7 should be defined by _XOPEN_SOURCE=700
#ifndef _XPG${tmp_xpg}
#error _XPG${tmp_xpg} should be defined by _XOPEN_SOURCE=${tmp_xpg}00
#endif
], [
AC_TRY_COMPILE([
#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
], [],
[define_xopen_source=700], [])
fi
if test x"$define_xopen_source" = x; then
AC_TRY_COMPILE([
#define _XOPEN_SOURCE 600
#include <unistd.h>
#ifndef _XPG6
#error _XPG6 should be defined by _XOPEN_SOURCE=600
#endif
], [],
[define_xopen_source=600], [])
fi
if test x"$define_xopen_source" = x; then
AC_TRY_COMPILE([
#define _XOPEN_SOURCE 500
#include <unistd.h>
#ifndef _XPG5
#error _XPG5 should be defined by _XOPEN_SOURCE=500
#endif
], [],
[define_xopen_source=500], [])
fi
[define_xopen_source=${tmp_xpg}00], [])
], [])
done
if test x"$define_xopen_source" = x; then
define_xopen_source=no
fi