callgraph

commit 91db3e45d9d09f8b25def75bfcab42e911f28e3c
parent ce1bf7b0423244d600ef309d7589e051aafe9a89
Author: lostd <lostd@2f30.org>
Date:   Thu, 14 Nov 2013 18:52:21 +0200

Use a generic rule to build the .so file

Diffstat:
M
Makefile
 | 
23
+++++++++++------------

1 file changed, 11 insertions(+), 12 deletions(-)
diff --git a/Makefile b/Makefile
@@ -1,17 +1,16 @@
-SRC = callgraph.c
-OBJ = ${SRC:.c=.o}
-SONAME = ${SRC:.c=.so}
-CC = gcc
+LIB = callgraph.so
 
-all: callgraph
+CC = gcc
+CFLAGS = -fPIC -Wall -Wextra -std=gnu99 -Wshadow -Wunreachable-code -g
+LDFLAGS = -shared -Wl,-soname=${LIB}
+LDLIBS = -lc
 
-.c.o:
-	${CC} -fPIC -Wall -Wextra -std=gnu99 -Wshadow -Wunreachable-code -g -c ${SRC}
-	
-callgraph: ${OBJ}
-	${CC} -g -shared -Wl,-soname,${SONAME} -o ${SONAME} ${OBJ} -lc
+all: ${LIB}
 
 clean:
-	@rm -f ${OBJ} ${SONAME} callgraph.dot*
+	rm -f ${LIB} callgraph.dot*
 
-.PHONY: all clean
+.o.so:
+	${CC} ${LDFLAGS} $< ${LDLIBS} -o $@
+	
+.SUFFIXES: .so