8000 Remove HEAP_ALIGN_LOG setting in configure.ac for OpenBSD/MirOS · github/ruby@0b899a2 · GitHub
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Remove HEAP_ALIGN_LOG setting in configure.ac for OpenBSD/MirOS
The ruby setting was renamed to HEAP_PAGE_ALIGN_LOG, but the configure.in (now configure.ac) file was not updated, so the setting had no effect. The configure setting is unnecessary after OpenBSD 5.2 and MirOS has been discontinued (with the last release being over 10 years ago), so it is better to just remove the related configure setting. Fix [Bug ruby#13438] From: Jeremy Evans <code@jeremyevans.net> git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66086 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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‎configure.ac

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Original file line numberDiff line numberDiff line change
@@ -1641,34 +1641,6 @@ AS_IF([test $rb_cv_stack_end_address != no], [
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AC_DEFINE_UNQUOTED(STACK_END_ADDRESS, $rb_cv_stack_end_address)
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])
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# posix_memalign(memptr, alignment, size) implemented for OpenBSD 4.8 doesn't work if alignment > MALLOC_PAGESIZE.
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# [ruby-core:42158] https://bugs.ruby-lang.org/issues/5901
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# OpenBSD 5.2 fixed the problem. (src/lib/libc/stdlib/malloc.c:1.142)
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# MirOS #10semel has the problem but fixed in the repository. (src/lib/libc/stdlib/malloc.c:1.9)
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AS_CASE(["$target_os"],
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[openbsd*|mirbsd*], [
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AC_CACHE_CHECK(for heap align log on openbsd, rb_cv_page_size_log,
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[rb_cv_page_size_log=no
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for page_log in 12 13; do
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AC_TRY_RUN([
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#include <math.h>
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#include <unistd.h>
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int
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main() {
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if ((int)log2((double)sysconf(_SC_PAGESIZE)) != $page_log) return 1;
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return 0;
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}
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],
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rb_cv_page_size_log="$page_log"; break)
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done])
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AS_IF([test $rb_cv_page_size_log != no], [
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AC_DEFINE_UNQUOTED(HEAP_ALIGN_LOG, $rb_cv_page_size_log)
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], [
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AC_DEFINE_UNQUOTED(HEAP_ALIGN_LOG, 12)
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])
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])
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dnl Checks for library functions.
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AC_TYPE_GETGROUPS
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AC_TYPE_SIGNAL

‎gc.c

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Original file line numberDiff line numberDiff line change
@@ -649,10 +649,8 @@ typedef struct rb_objspace {
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} rb_objspace_t;
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#ifndef HEAP_PAGE_ALIGN_LOG
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/* default tiny heap size: 16KB */
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#define HEAP_PAGE_ALIGN_LOG 14
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#endif
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#define CEILDIV(i, mod) (((i) + (mod) - 1)/(mod))
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enum {
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HEAP_PAGE_ALIGN = (1UL << HEAP_PAGE_ALIGN_LOG),

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