split CFLAGS in CFLAGS and CPPFLAGS, closes #50

diff --git a/src/Makefile b/src/Makefile
index 6615a0f..ac4888e 100644 (file)
--- a/src/Makefile
+++ b/src/Makefile
@@ -20,24 +20,25 @@
 
 UNAME_S := $(shell uname -s 2>/dev/null || echo not)
 
-SOURCES = $(wildcard *.c)
-OBJECTS = $(SOURCES:.c=.o)
-CFLAGS  = -O3 -Wall -I../include
+SOURCES  = $(wildcard *.c)
+OBJECTS  = $(SOURCES:.c=.o)
+CFLAGS   = -O3 -Wall
+CPPFLAGS = -I../include
 
 ifeq ($(DEBUG),1)
-       CFLAGS := -O0 -Wall -g -I../include
+       CFLAGS := -O0 -Wall -g
 endif
 
 ifeq ($(OS),Windows_NT)
        ifeq (,$(findstring CYGWIN,$(UNAME_S)))
-               CFLAGS += -DWIN32
+               CPPFLAGS += -DWIN32
        endif
 endif
 
 ifeq ($(UNAME_S),Linux)
        LSB_RELEASE := $(shell lsb_release -si 2>/dev/null || echo not)
        ifneq ($(filter $(LSB_RELEASE),Debian Ubuntu LinuxMint),)
-               CFLAGS += -I/usr/include/ncursesw
+               CPPFLAGS += -I/usr/include/ncursesw
        endif
 endif