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Set $GC_MARKERS to 1 when libgc 7.4.0 is used.

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* libguile/gc.c (scm_storage_prehistory) [GC_VERSION == 7.4.0]: Add
  'setenv' call.
This commit is contained in:
Ludovic Courtès 2014-04-23 18:12:26 +02:00
parent d38ca16e2c
commit 3f69e638be
1 changed files with 8 additions and 0 deletions
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8
libguile/gc.c
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@ -602,6 +602,14 @@ scm_storage_prehistory ()
GC_set_free_space_divisor (free_space_divisor);
GC_set_finalize_on_demand (1);
#if (GC_VERSION_MAJOR == 7 && GC_VERSION_MINOR == 4 \
&& GC_ALPHA_VERSION == 0)
/* BDW-GC 7.4.0 has a bug making it loop indefinitely when using more
than one marker thread: <https://github.com/ivmai/bdwgc/pull/30>.
Work around it by asking for one marker thread. */
setenv ("GC_MARKERS", "1", 1);
#endif
GC_INIT ();
GC_expand_hp (DEFAULT_INITIAL_HEAP_SIZE);