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* configure.in: __builtin_setjmp cannot handle a variable. 

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@15872 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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nobu 2008-03-31 18:20:42 +00:00
parent b39676f6a9
commit dc8359969e
2 changed files with 4 additions and 4 deletions
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ChangeLog
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@ -1,8 +1,8 @@
Tue Apr 1 02:58:39 2008 Nobuyoshi Nakada <nobu@ruby-lang.org>
Tue Apr 1 03:20:40 2008 Nobuyoshi Nakada <nobu@ruby-lang.org>
* configure.in (RUBY_SETJMP, RUBY_LONGJMP, RUBY_JMP_BUF): prefers
__builtin_setjmp, _setjmp over setjmp and sigsetjmp.
[ruby-core:16023], [ruby-core:16086]
_setjmp over setjmp and sigsetjmp. [ruby-core:16023]
__builtin_setjmp cannot handle a variable.
* configure.in (--with-setjmp-type): new option to override the
default rule in the above.

2
configure.in
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@ -712,7 +712,7 @@ AC_CHECK_FUNCS(fmod killpg wait4 waitpid fork spawnv syscall chroot fsync getcwd
AC_CACHE_CHECK(for __builtin_setjmp, ac_cv_func___builtin_setjmp,
[AC_TRY_LINK([@%:@include <setjmp.h>
jmp_buf jb; void t() {__builtin_longjmp(jb, 1);}],
jmp_buf jb; void t(v) int v; {__builtin_longjmp(jb, v);}],
[__builtin_setjmp(jb);],
[ac_cv_func___builtin_setjmp=yes],
[ac_cv_func___builtin_setjmp=no])