Add valgrind suppression file

.valgrind.supp

@@ -0,0 +1,7 @@
+{
+   nss_parse_service_list
+   Memcheck:Leak
+   fun:malloc
+   fun:nss_parse_service_list
+   fun:__nss_database_lookup
+}

Makefile

@@ -1,9 +1,9 @@
 -include local.mk
 
-CMAKE_FLAGS = -DCMAKE_BUILD_TYPE=Debug -DCMAKE_PREFIX_PATH=.deps/usr -DLibUV_USE_STATIC=YES
+CMAKE_FLAGS := -DCMAKE_BUILD_TYPE=Debug -DCMAKE_PREFIX_PATH=.deps/usr -DLibUV_USE_STATIC=YES
 
 # Extra CMake flags which extend the default set
-CMAKE_EXTRA_FLAGS =
+CMAKE_EXTRA_FLAGS :=
 
 build/bin/nvim: deps
 	${MAKE} -C build

scripts/travis.sh

@@ -3,5 +3,5 @@
 # export VALGRIND_CHECK=1
 make cmake CMAKE_EXTRA_FLAGS="-DCMAKE_INSTALL_PREFIX=$PWD/dist"
 make
-make test
+make test > /dev/null 2>&1
 make install

src/testdir/Makefile

@@ -2,9 +2,9 @@
 # Makefile to run all tests for Vim
 #
 
-VIMPROG = ../../build/bin/nvim
+VIMPROG := ../../build/bin/nvim
 
-SCRIPTS = test1.out test2.out test3.out test4.out test5.out test6.out \
+SCRIPTS := test1.out test2.out test3.out test4.out test5.out test6.out \
 		test7.out test8.out test9.out test10.out test11.out \
 		test12.out test13.out test14.out test15.out test17.out \
 		test18.out test19.out test20.out test21.out test22.out \
@@ -25,14 +25,14 @@ SCRIPTS = test1.out test2.out test3.out test4.out test5.out test6.out \
 		test94.out test95.out test96.out test97.out test98.out \
 		test99.out test100.out test101.out test102.out test103.out
 
-SCRIPTS_GUI = test16.out
+SCRIPTS_GUI := test16.out
 
 ifdef VALGRIND_CHECK
-VALGRIND := valgrind --leak-check=yes --error-exitcode=1 --log-file=valgrind.$*
+VALGRIND = valgrind --suppressions=../../.valgrind.supp --leak-check=yes --error-exitcode=1 --log-file=valgrind.$*
 endif
 
 ifdef TESTNUM
-SCRIPTS = test$(TESTNUM).out
+SCRIPTS := test$(TESTNUM).out
 endif
 
 .SUFFIXES: .in .out