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-rw-r--r--sys/sys/cdefs.h2
-rw-r--r--sys/sys/linker_set.h6
2 files changed, 5 insertions, 3 deletions
diff --git a/sys/sys/cdefs.h b/sys/sys/cdefs.h
index 5d275db..abb38e6 100644
--- a/sys/sys/cdefs.h
+++ b/sys/sys/cdefs.h
@@ -213,7 +213,9 @@
#define __packed
#define __aligned(x)
#define __section(x)
+#define __weak
#else
+#define __weak __attribute__((__weak__))
#if !__GNUC_PREREQ__(2, 5) && !defined(__INTEL_COMPILER)
#define __dead2
#define __pure2
diff --git a/sys/sys/linker_set.h b/sys/sys/linker_set.h
index 2edb55b..4fa663d 100644
--- a/sys/sys/linker_set.h
+++ b/sys/sys/linker_set.h
@@ -68,9 +68,9 @@
/*
* Initialize before referring to a given linker set.
*/
-#define SET_DECLARE(set, ptype) \
- extern ptype *__CONCAT(__start_set_,set); \
- extern ptype *__CONCAT(__stop_set_,set)
+#define SET_DECLARE(set, ptype) \
+ extern ptype __weak *__CONCAT(__start_set_,set); \
+ extern ptype __weak *__CONCAT(__stop_set_,set)
#define SET_BEGIN(set) \
(&__CONCAT(__start_set_,set))
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