[Guile-commits] GNU Guile branch, master, updated. v2.1.0-959-g3f69e63

[Ludovic Courtès]

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http://git.savannah.gnu.org/cgit/guile.git/commit/?id=3f69e638be12cfe9d5963df21e6c004a733f0ca1

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- Log -----------------------------------------------------------------
commit 3f69e638be12cfe9d5963df21e6c004a733f0ca1
Author: Ludovic Courtès <address@hidden>
Date:   Wed Apr 23 18:12:26 2014 +0200

    Set $GC_MARKERS to 1 when libgc 7.4.0 is used.
    
    * libguile/gc.c (scm_storage_prehistory) [GC_VERSION == 7.4.0]: Add
      'setenv' call.

-----------------------------------------------------------------------

Summary of changes:
 libguile/gc.c |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)

diff --git a/libguile/gc.c b/libguile/gc.c
index eacd5e2..bc35faf 100644
--- a/libguile/gc.c
+++ b/libguile/gc.c
@@ -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);


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