Add coverage script to Travis build

.travis.yml

@@ -1,5 +1,9 @@
 language: c
-script: make clean && make && make test && make clean
+script: make clean && make && make test && make clean && make coverage
 compiler:
   - clang
   - gcc
+before_install:
+  - sudo pip install cpp-coveralls
+after_success:
+  - coveralls --gcov-options '\-lp'

Makefile

@@ -1,11 +1,11 @@
-CC=gcc
-CFLAGS=-Wall -Wextra -fPIC -O2
+CC?=gcc
+CFLAGS+=-Wall -Wextra -fPIC -O2
 PREFIX=`[ -e /usr/local/bin ] && echo '/usr/local' || echo '/usr'`
 
 all: rlimitr.so rlimitr
 
 clean:
-	rm -f rlimitr.so rlimitr
+	rm -f rlimitr.so rlimitr *.gcda *.gcno *.gcov
 
 rlimitr.so: rlimitr.c
 	$(CC) $(CFLAGS) -shared -DRLIMITR_LIBRARY_ONLY -o rlimitr.so rlimitr.c
@@ -16,5 +16,8 @@ rlimitr: rlimitr.c
 install: rlimitr
 	cp rlimitr $(PREFIX)/bin/rlimitr
 
-test: rlimitr rlimitr.so
+test: rlimitr.so rlimitr
 	./test.sh
+
+coverage: clean
+	CFLAGS="--coverage" CC=gcc make test