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-rw-r--r--gcc/config/vx-common.h7
1 files changed, 5 insertions, 2 deletions
diff --git a/gcc/config/vx-common.h b/gcc/config/vx-common.h
index bc27684..bf5823a 100644
--- a/gcc/config/vx-common.h
+++ b/gcc/config/vx-common.h
@@ -74,7 +74,8 @@ along with GCC; see the file COPYING3. If not see
/* ---------------------- Debug and unwind info formats ------------------ */
/* Dwarf2 unwind info is supported, unless overriden by a request for a target
- specific format.
+ specific format. Always #define DWARF2_UNWIND_INFO to prevent defaults.h
+ from picking a possibly different value.
Taking care of this here allows using DWARF2_UNWIND_INFO in #if conditions
from the common config/vxworks.h files, included before the cpu
@@ -84,8 +85,10 @@ along with GCC; see the file COPYING3. If not see
#if point. Since <cpu>/vxworks.h. is typically included after
config/vxworks.h, #if expressions in the latter can't rely on possible
redefinitions in the former. */
-#if !ARM_UNWIND_INFO
#undef DWARF2_UNWIND_INFO
+#if ARM_UNWIND_INFO
+#define DWARF2_UNWIND_INFO 0
+#else
#define DWARF2_UNWIND_INFO 1
#endif