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-rw-r--r--mrblib/Makefile17
1 files changed, 12 insertions, 5 deletions
diff --git a/mrblib/Makefile b/mrblib/Makefile
index c7226ddcd..01a5a6198 100644
--- a/mrblib/Makefile
+++ b/mrblib/Makefile
@@ -18,12 +18,19 @@ LIBR := ../lib/libmruby.a
# libraries, includes
INCLUDES = -I../src -I../include
-DEBUG_MODE = 1
-ifeq ($(DEBUG_MODE),1)
-CFLAGS = -g
-else
-CFLAGS = -O3
+ifeq ($(strip $(COMPILE_MODE)),)
+ # default compile option
+ COMPILE_MODE = debug
+endif
+
+ifeq ($(COMPILE_MODE),debug)
+ CFLAGS = -g -O3
+else ifeq ($(COMPILE_MODE),release)
+ CFLAGS = -O3
+else ifeq ($(COMPILE_MODE),small)
+ CFLAGS = -Os
endif
+
ALL_CFLAGS = -Wall -Werror-implicit-function-declaration $(CFLAGS)
ifeq ($(OS),Windows_NT)
MAKE_FLAGS = CC=$(CC) LL=$(LL) ALL_CFLAGS="$(ALL_CFLAGS)"