diff options
| -rw-r--r-- | mkspecs/symbian-sbsv2/flm/qt/qmake_store_build.flm | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/mkspecs/symbian-sbsv2/flm/qt/qmake_store_build.flm b/mkspecs/symbian-sbsv2/flm/qt/qmake_store_build.flm index 7fada1e..634fafa 100644 --- a/mkspecs/symbian-sbsv2/flm/qt/qmake_store_build.flm +++ b/mkspecs/symbian-sbsv2/flm/qt/qmake_store_build.flm @@ -9,6 +9,14 @@ include $(FLMHOME)/metaflm.mk +SINGLETON:=$(call sanitise,TSTORE_SINGLETON_$(EXTENSION_ROOT)) + +ifeq ($($(SINGLETON)),) +# Prevent duplicate targets from being created, as that can lead to build breaks +# in multiprocessor systems if two or more targets try to write to .make.cache at +# the same time. +$(SINGLETON):=1 + STORE_BUILD_TARGET:=$(call sanitise,TSTORE_BUILD_$(PLATFORM_PATH)_$(CFG_PATH)_$(EXTENSION_ROOT)) CACHE_FILENAME:=$(EXTENSION_ROOT)/.make.cache @@ -37,4 +45,5 @@ endef $(eval $(qmake_store_build)) $(eval $(call GenerateStandardCleanTarget,$(CACHE_FILENAME),'')) +endif |