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[Guile-commits] GNU Guile branch, stable-2.0, updated. v2.0.0-124-g5f0d2
From: |
Andy Wingo |
Subject: |
[Guile-commits] GNU Guile branch, stable-2.0, updated. v2.0.0-124-g5f0d295 |
Date: |
Thu, 24 Mar 2011 19:38:03 +0000 |
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http://git.savannah.gnu.org/cgit/guile.git/commit/?id=5f0d2951a0a5179038bee55fe9af688f94738075
The branch, stable-2.0 has been updated
via 5f0d2951a0a5179038bee55fe9af688f94738075 (commit)
from ecba00af6501e082b86c8f2f7730081c733509d7 (commit)
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- Log -----------------------------------------------------------------
commit 5f0d2951a0a5179038bee55fe9af688f94738075
Author: Andy Wingo <address@hidden>
Date: Thu Mar 24 20:34:31 2011 +0100
bdw-gc 6.8 compatibility (hopefully)
* configure.ac (HAVE_GC_STACK_BASE): New check.
* libguile/threads.c (GC_UNIMPLEMENTED, GC_SUCCESS): Define if needed.
(GC_register_my_thread, GC_unregister_my_thread)
(GC_call_with_stack_base): Define shims if needed.
-----------------------------------------------------------------------
Summary of changes:
configure.ac | 7 +++++++
libguile/threads.c | 31 +++++++++++++++++++++++++++++++
2 files changed, 38 insertions(+), 0 deletions(-)
diff --git a/configure.ac b/configure.ac
index ba6ff49..6f24d8d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1256,6 +1256,13 @@ AC_CHECK_TYPE([GC_fn_type],
[],
[#include <gc/gc.h>])
+# `GC_stack_base' is not available in GC 7.1 and earlier.
+AC_CHECK_TYPE([struct GC_stack_base],
+ [AC_DEFINE([HAVE_GC_STACK_BASE], [1],
+ [Define this if the `GC_stack_base' type is available.])],
+ [],
+ [#include <gc/gc.h>])
+
LIBS="$save_LIBS"
diff --git a/libguile/threads.c b/libguile/threads.c
index e2e17ac..6f75dbe 100644
--- a/libguile/threads.c
+++ b/libguile/threads.c
@@ -79,6 +79,37 @@ typedef void * (* GC_fn_type) (void *);
#endif
+#ifndef GC_SUCCESS
+#define GC_SUCCESS 0
+#endif
+
+#ifndef GC_UNIMPLEMENTED
+#define GC_UNIMPLEMENTED 3
+#endif
+
+/* Likewise struct GC_stack_base is missing before 7.1. */
+#ifndef HAVE_GC_STACK_BASE
+struct GC_stack_base;
+
+static int
+GC_register_my_thread (struct GC_stack_base *)
+{
+ return GC_UNIMPLEMENTED;
+}
+
+static void
+GC_unregister_my_thread ()
+{
+}
+
+static void *
+GC_call_with_stack_base(void * (*fn) (struct GC_stack_base*, void*), void *arg)
+{
+ return fn (NULL, arg);
+}
+#endif
+
+
/* Now define with_gc_active and with_gc_inactive. */
#if (defined(HAVE_GC_DO_BLOCKING) && defined (HAVE_DECL_GC_DO_BLOCKING) &&
defined (HAVE_GC_CALL_WITH_GC_ACTIVE))
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