Adding support to include detected configuration makefile into the build process. This will allow the Build objects to be configurable based on the config data, like:
perf-$(CONFIG_KRAVA) += krava.o The configuration is stored in '.config-detected' file, which is generated for each compilation. Signed-off-by: Jiri Olsa <jo...@kernel.org> Cc: Alexis Berlemont <alexis.berlem...@gmail.com> Cc: Arnaldo Carvalho de Melo <a...@redhat.com> Cc: Borislav Petkov <b...@alien8.de> Cc: Corey Ashford <cjash...@linux.vnet.ibm.com> Cc: David Ahern <dsah...@gmail.com> Cc: Frederic Weisbecker <fweis...@gmail.com> Cc: Ingo Molnar <mi...@kernel.org> Cc: Namhyung Kim <namhy...@kernel.org> Cc: Paul Mackerras <pau...@samba.org> Cc: Peter Zijlstra <pet...@infradead.org> Cc: Stephane Eranian <eran...@google.com> --- tools/build/Makefile.build | 3 +++ tools/perf/config/Makefile | 4 ++++ 2 files changed, 7 insertions(+) diff --git a/tools/build/Makefile.build b/tools/build/Makefile.build index afd2266e0935..1706b93b0ef2 100644 --- a/tools/build/Makefile.build +++ b/tools/build/Makefile.build @@ -17,6 +17,9 @@ build-dir := $(srctree)/tools/build # Generic definitions include $(build-dir)/Build.include +# do not force detected configuration +-include .config-detected + # Init all relevant variables used in build files so # 1) they have correct type # 2) they do not inherit any value from the environment diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile index 648e31ff4021..bd60ca04d5da 100644 --- a/tools/perf/config/Makefile +++ b/tools/perf/config/Makefile @@ -11,6 +11,10 @@ ifneq ($(obj-perf),) obj-perf := $(abspath $(obj-perf))/ endif +$(shell echo -n > .config-detected) +detected = $(shell echo "$(1)=y" >> .config-detected) +detected_var = $(shell echo "$(1)=$($(1))" >> .config-detected) + LIB_INCLUDE := $(srctree)/tools/lib/ CFLAGS := $(EXTRA_CFLAGS) $(EXTRA_WARNINGS) -- 1.9.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
