Make external CC and CFLAGS declaration possible

devLib/Makefile

@@ -36,10 +36,10 @@ DYNAMIC=libwiringPiDev.so.$(VERSION)
 
 #DEBUG	= -g -O0
 DEBUG	= -O2
-CC	= gcc
+CC	?= gcc
 INCLUDE	= -I.
 DEFS	= -D_GNU_SOURCE
-CFLAGS	= $(DEBUG) $(DEFS) -Wformat=2 -Wall -Winline $(INCLUDE) -pipe -fPIC
+CFLAGS	= $(DEBUG) $(DEFS) -Wformat=2 -Wall -Winline $(INCLUDE) -pipe -fPIC $(EXTRA_CFLAGS)
 
 LIBS    =
 

examples/Gertboard/Makefile

@@ -11,9 +11,9 @@ endif
 
 #DEBUG	= -g -O0
 DEBUG	= -O3
-CC	= gcc
+CC	?= gcc
 INCLUDE	= -I/usr/local/include
-CFLAGS	= $(DEBUG) -Wall $(INCLUDE) -Winline -pipe
+CFLAGS	= $(DEBUG) -Wall $(INCLUDE) -Winline -pipe $(EXTRA_CFLAGS)
 
 LDFLAGS	= -L/usr/local/lib
 LDLIBS    = -lwiringPi -lwiringPiDev -lpthread -lm

examples/Makefile

@@ -28,9 +28,9 @@ endif
 
 #DEBUG	= -g -O0
 DEBUG	= -O3
-CC	= gcc
+CC	?= gcc
 INCLUDE	= -I/usr/local/include
-CFLAGS	= $(DEBUG) -Wall $(INCLUDE) -Winline -pipe
+CFLAGS	= $(DEBUG) -Wall $(INCLUDE) -Winline -pipe $(EXTRA_CFLAGS)
 
 LDFLAGS	= -L/usr/local/lib
 LDLIBS    = -lwiringPi -lwiringPiDev -lpthread -lm -lcrypt -lrt

examples/PiFace/Makefile

@@ -28,9 +28,9 @@ endif
 
 #DEBUG	= -g -O0
 DEBUG	= -O3
-CC	= gcc
+CC	?= gcc
 INCLUDE	= -I/usr/local/include
-CFLAGS	= $(DEBUG) -Wall $(INCLUDE) -Winline -pipe
+CFLAGS	= $(DEBUG) -Wall $(INCLUDE) -Winline -pipe $(EXTRA_CFLAGS)
 
 LDFLAGS	= -L/usr/local/lib
 LDLIBS    = -lwiringPi -lwiringPiDev -lpthread -lm

examples/PiGlow/Makefile

@@ -28,9 +28,9 @@ endif
 
 #DEBUG	= -g -O0
 DEBUG	= -O3
-CC	= gcc
+CC	?= gcc
 INCLUDE	= -I/usr/local/include
-CFLAGS	= $(DEBUG) -Wall $(INCLUDE) -Winline -pipe
+CFLAGS	= $(DEBUG) -Wall $(INCLUDE) -Winline -pipe $(EXTRA_CFLAGS)
 
 LDFLAGS	= -L/usr/local/lib
 LDLIBS    = -lwiringPi -lwiringPiDev -lpthread -lm

examples/q2w/Makefile

@@ -28,9 +28,9 @@ endif
 
 #DEBUG	= -g -O0
 DEBUG	= -O3
-CC	= gcc
+CC	?= gcc
 INCLUDE	= -I/usr/local/include
-CFLAGS	= $(DEBUG) -Wall $(INCLUDE) -Winline -pipe
+CFLAGS	= $(DEBUG) -Wall $(INCLUDE) -Winline -pipe $(EXTRA_CFLAGS)
 
 LDFLAGS	= -L/usr/local/lib
 LDLIBS    = -lwiringPi -lwiringPiDev -lpthread -lm

examples/scrollPhat/Makefile

@@ -28,9 +28,9 @@ endif
 
 #DEBUG	= -g -O0
 DEBUG	= -O3
-CC	= gcc
+CC	?= gcc
 INCLUDE	= -I/usr/local/include
-CFLAGS	= $(DEBUG) -Wall $(INCLUDE) -Winline -pipe
+CFLAGS	= $(DEBUG) -Wall $(INCLUDE) -Winline -pipe $(EXTRA_CFLAGS)
 
 LDFLAGS	= -L/usr/local/lib
 LDLIBS    = -lwiringPi -lwiringPiDev -lpthread -lm

gpio/Makefile

@@ -32,9 +32,9 @@ endif
 
 #DEBUG	= -g -O0
 DEBUG	= -O2
-CC	= gcc
+CC	?= gcc
 INCLUDE	= -I$(DESTDIR)$(PREFIX)/include
-CFLAGS	= $(DEBUG) -Wall -Wextra $(INCLUDE) -Winline -pipe
+CFLAGS	= $(DEBUG) -Wall -Wextra $(INCLUDE) -Winline -pipe $(EXTRA_CFLAGS)
 
 LDFLAGS	= -L$(DESTDIR)$(PREFIX)/lib
 LIBS    = -lwiringPi -lwiringPiDev -lpthread -lrt -lm -lcrypt

wiringPi/Makefile

@@ -36,10 +36,10 @@ DYNAMIC=libwiringPi.so.$(VERSION)
 
 #DEBUG	= -g -O0
 DEBUG	= -O2
-CC	= gcc
+CC	?= gcc
 INCLUDE	= -I.
 DEFS	= -D_GNU_SOURCE
-CFLAGS	= $(DEBUG) $(DEFS) -Wformat=2 -Wall -Wextra -Winline $(INCLUDE) -pipe -fPIC
+CFLAGS	= $(DEBUG) $(DEFS) -Wformat=2 -Wall -Wextra -Winline $(INCLUDE) -pipe -fPIC $(EXTRA_CFLAGS)
 #CFLAGS	= $(DEBUG) $(DEFS) -Wformat=2 -Wall -Wextra -Wconversion -Winline $(INCLUDE) -pipe -fPIC
 
 LIBS    = -lm -lpthread -lrt -lcrypt

wiringPiD/Makefile

@@ -31,9 +31,9 @@ endif
 
 #DEBUG	= -g -O0
 DEBUG	= -O2
-CC	= gcc
+CC	?= gcc
 INCLUDE	= -I$(DESTDIR)$(PREFIX)/include
-CFLAGS	= $(DEBUG) -Wall -Wextra $(INCLUDE) -Winline -pipe
+CFLAGS	= $(DEBUG) -Wall -Wextra $(INCLUDE) -Winline -pipe $(EXTRA_CFLAGS)
 
 LDFLAGS	= -L$(DESTDIR)$(PREFIX)/lib
 LIBS    = -lwiringPi -lwiringPiDev -lpthread -lrt -lm -lcrypt