Travis cmaketest will also run "make install" and "make uninstall"
diff --git a/Makefile b/Makefile
index c8b5831..755b0c1 100644
--- a/Makefile
+++ b/Makefile
@@ -155,7 +155,7 @@
cmake --version
rm -rf projects/cmake/build
mkdir projects/cmake/build
- cd projects/cmake/build ; cmake $(CMAKE_PARAMS) .. ; $(MAKE)
+ cd projects/cmake/build ; cmake -DPREFIX:STRING=~/install_test_dir $(CMAKE_PARAMS) .. ; $(MAKE) install ; $(MAKE) uninstall
c90test: clean
CFLAGS="-std=c90" $(MAKE) all # will fail, due to // and long long