---
 config/mt-d30v   |    4 ++--
 config/mt-gnu    |    2 +-
 config/mt-ospace |    4 ++--
 3 files changed, 5 insertions(+), 5 deletions(-)

--- a/config/mt-d30v
+++ b/config/mt-d30v
@@ -1,4 +1,4 @@
 # Build libraries optimizing for space, not speed.
 # Turn off warnings about symbols named the same as registers
- CFLAGS_FOR_TARGET = -g -Os -Wa,-C
- CXXFLAGS_FOR_TARGET = -g -Os -Wa,-C
+ CFLAGS_FOR_TARGET += -g -Os -Wa,-C
+ CXXFLAGS_FOR_TARGET += -g -Os -Wa,-C
--- a/config/mt-gnu
+++ b/config/mt-gnu
@@ -1 +1 @@
-CXXFLAGS_FOR_TARGET = $(CXXFLAGS) -D_GNU_SOURCE
+CXXFLAGS_FOR_TARGET += $(CXXFLAGS) -D_GNU_SOURCE
--- a/config/mt-ospace
+++ b/config/mt-ospace
@@ -1,3 +1,3 @@
 # Build libraries optimizing for space, not speed.
- CFLAGS_FOR_TARGET = -g -Os
- CXXFLAGS_FOR_TARGET = -g -Os
+ CFLAGS_FOR_TARGET += -g -Os
+ CXXFLAGS_FOR_TARGET += -g -Os