diff options
| author | nari <nari@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2012-01-31 12:36:50 +0000 |
|---|---|---|
| committer | nari <nari@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2012-01-31 12:36:50 +0000 |
| commit | a42cc41ba1abacd37e1922965fae641e537a6b5f (patch) | |
| tree | 897311e051fbe623a45a7cdac218c27ef285e54b /configure.in | |
| parent | 487cc8b5cebfcdfe218058ff9de31d2231e1d5cb (diff) | |
* configure.in (HEAP_ALIGN_LOG): HEAP_ALIGN_LOG should be page
size in OpenBSD. [ruby-core:42158][Bug #5901]
* gc.c : avoid to redefine.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@34404 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'configure.in')
| -rw-r--r-- | configure.in | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/configure.in b/configure.in index 085dfcfa20..2b56b749d4 100644 --- a/configure.in +++ b/configure.in @@ -1292,6 +1292,29 @@ main() { CFLAGS="$save_CFLAGS"]) AC_DEFINE_UNQUOTED(GC_MARK_STACKFRAME_WORD, $rb_cv_gc_mark_stackframe_word) +AS_CASE(["$target_os"], +[openbsd*], [ + AC_CACHE_CHECK(for heap align log on openbsd, rb_cv_page_size_log, + [rb_cv_page_size_log=no + for page_log in 12 13; do + AC_TRY_RUN([ +#include <math.h> +#include <unistd.h> + +int +main() { + if ((int)log2((double)sysconf(_SC_PAGESIZE)) != $page_log) return 1; + return 0; +} + ], + rb_cv_page_size_log="$page_log"; break) + done]) + if test $rb_cv_page_size_log != no; then + AC_DEFINE_UNQUOTED(HEAP_ALIGN_LOG, $rb_cv_page_size_log) + else + AC_DEFINE_UNQUOTED(HEAP_ALIGN_LOG, 12) + fi +]) dnl Checks for library functions. AC_TYPE_GETGROUPS |