travis: use coveralls for test-coverage

.travis.yml

@@ -6,7 +6,11 @@ install:
   - wget http://sourceforge.net/projects/devkitpro/files/Automated%20Installer/devkitARMupdate.pl &&
     perl devkitARMupdate.pl
   - export DEVKITPRO=$HOME/devkitPro
+  - pip install --user cpp-coveralls
 
 script:
-  - make all examples &&
-    make check
+  - make all examples
+  - make check
+
+after_success:
+  - coveralls --include src --gcov-options '\-lp'

t/Makefile

@@ -4,7 +4,7 @@
 
 CC = gcc
 CPPFLAGS = -I.. -DUNIT_TESTING -DDEBUG
-CFLAGS   = -g
+CFLAGS   = -g -fprofile-arcs -ftest-coverage
 
 ifdef COMSPEC
 EXE_EXT=.exe