Enable Valgrind tests on OSX

.travis.yml

@@ -101,6 +101,18 @@ matrix:
       compiler: gcc
 
     # OSX clang
+    - os: osx
+      osx_image: xcode9.2
+      env: BUILD_TYPE=Debug USE_VALGRIND=true CMAKE_GENERATOR="Xcode"
+      addons:
+        homebrew:
+          update: true
+          packages:
+            - ccache
+            - cmake
+            - valgrind
+      compiler: clang
+
     - os: osx
       osx_image: xcode8.3
       env: BUILD_TYPE=Release CMAKE_GENERATOR="Xcode"

tests/CMakeLists.txt

@@ -17,6 +17,9 @@ set(GFX_TIMSORT_SANITIZE "" CACHE STRING "Comma-separated list of options to pas
 if (${GFX_TIMSORT_USE_VALGRIND})
     find_program(MEMORYCHECK_COMMAND valgrind)
     set(MEMORYCHECK_COMMAND_OPTIONS "--leak-check=full --track-origins=yes --error-exitcode=1 --show-reachable=no")
+    if (APPLE)
+        set(MEMORYCHECK_SUPPRESSIONS_FILE ${CMAKE_CURRENT_SOURCE_DIR}/valgrind-osx.supp)
+    endif()
 endif()
 
 macro(configure_tests target)

tests/valgrind-osx.supp

@@ -0,0 +1,29 @@
+{
+   Mac-OS-X-System-Leaks
+   Memcheck:Leak
+   match-leak-kinds: possible
+   fun:calloc
+   fun:map_images_nolock
+   fun:map_images
+   fun:_ZN4dyldL18notifyBatchPartialE17dyld_image_statesbPFPKcS0_jPK15dyld_image_infoEbb
+   fun:_ZN4dyld21registerObjCNotifiersEPFvjPKPKcPKPK11mach_headerEPFvS1_S6_ESC_
+   fun:_dyld_objc_notify_register
+   fun:_objc_init
+   fun:_os_object_init
+   fun:libdispatch_init
+   fun:libSystem_initializer
+   fun:_ZN16ImageLoaderMachO18doModInitFunctionsERKN11ImageLoader11LinkContextE
+   fun:_ZN16ImageLoaderMachO16doInitializationERKN11ImageLoader11LinkContextE
+   fun:_ZN11ImageLoader23recursiveInitializationERKNS_11LinkContextEjPKcRNS_21InitializerTimingListERNS_15UninitedUpwardsE
+   fun:_ZN11ImageLoader23recursiveInitializationERKNS_11LinkContextEjPKcRNS_21InitializerTimingListERNS_15UninitedUpwardsE
+   fun:_ZN11ImageLoader19processInitializersERKNS_11LinkContextEjRNS_21InitializerTimingListERNS_15UninitedUpwardsE
+   fun:_ZN11ImageLoader15runInitializersERKNS_11LinkContextERNS_21InitializerTimingListE
+   fun:_ZN4dyld24initializeMainExecutableEv
+   fun:_ZN4dyld5_mainEPK12macho_headermiPPKcS5_S5_Pm
+   fun:_ZN13dyldbootstrap5startEPK12macho_headeriPPKclS2_Pm
+   fun:_dyld_start
+   obj:*
+   obj:*
+   obj:*
+   obj:*
+}