More aggressive system malloc memory checking for linux unit tests.

Change-Id: If8e70dc25c537fcf12de0853d91c30f0e6f92e31
Reviewed-on: https://gerrit.libreoffice.org/15940Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Michael Meeks <michael.meeks@collabora.com>
Tested-by: Michael Meeks <michael.meeks@collabora.com>

solenv/gbuild/CppunitTest.mk

@@ -97,6 +97,7 @@ $(call gb_CppunitTest_get_target,%) :| $(gb_CppunitTest_RUNTIMEDEPS)
 		$(if $(G_SLICE),G_SLICE=$(G_SLICE)) \
 		$(if $(GLIBCXX_FORCE_NEW),GLIBCXX_FORCE_NEW=$(GLIBCXX_FORCE_NEW)) \
 		$(if $(HEADLESS),,VCL_HIDE_WINDOWS=1) \
+		$(gb_CppunitTest_malloc_check) \
 		$(if $(strip $(PYTHON_URE)),\
 			PYTHONDONTWRITEBYTECODE=1) \
 		$(ICECREAM_RUN) $(gb_CppunitTest_GDBTRACE) $(gb_CppunitTest_VALGRINDTOOL) $(gb_CppunitTest_CPPTESTCOMMAND) \

solenv/gbuild/platform/unxgcc.mk

@@ -258,6 +258,7 @@ gb_CppunitTest_CPPTESTPRECOMMAND := \
     $(call gb_Helper_extend_ld_path,$(WORKDIR)/UnpackedTarball/cppunit/src/cppunit/.libs)
 gb_CppunitTest_get_filename = libtest_$(1).so
 gb_CppunitTest_get_ilibfilename = $(gb_CppunitTest_get_filename)
+gb_CppunitTest_malloc_check := MALLOC_CHECK_=2 MALLOC_PERTURB_=153
 
 define gb_CppunitTest_CppunitTest_platform
 $(call gb_LinkTarget_get_target,$(2)) : RPATH := $(call gb_Library__get_rpath,$(call gb_LinkTarget__get_rpath_for_layer,NONE))