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Work around llvm PR 12623, which makes variables declared with .symver

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sometimes disappear from the resulting object file, if compiled with
clang.  In particular, this can lead to errors when building world with
clang and -g, similar to:

  /usr/obj/usr/src/tmp/usr/lib/libc.so: undefined reference to `_malloc_options'

Reported by:	Conrad J. Sabatier <conrads@.no.cox.net>
Reviewed by:	jasone
This commit is contained in:
Dimitry Andric 2012-04-24 18:41:17 +00:00
parent 46ffdf3bbd
commit 4fdb8d2aae
1 changed files with 2 additions and 1 deletions
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3
contrib/jemalloc/src/jemalloc.c
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@ -8,7 +8,8 @@ malloc_tsd_data(, arenas, arena_t *, NULL)
malloc_tsd_data(, thread_allocated, thread_allocated_t,
THREAD_ALLOCATED_INITIALIZER)
const char *__malloc_options_1_0;
/* Work around <http://llvm.org/bugs/show_bug.cgi?id=12623>: */
const char *__malloc_options_1_0 = NULL;
__sym_compat(_malloc_options, __malloc_options_1_0, FBSD_1.0);
/* Runtime configuration options. */