diff options
Diffstat (limited to 'tools/build/Makefile')
| -rw-r--r-- | tools/build/Makefile | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/tools/build/Makefile b/tools/build/Makefile index 63ef21878761..3a5a3808ab2a 100644 --- a/tools/build/Makefile +++ b/tools/build/Makefile @@ -37,5 +37,22 @@ ifneq ($(wildcard $(TMP_O)),) $(Q)$(MAKE) -C feature OUTPUT=$(TMP_O) clean >/dev/null endif -$(OUTPUT)fixdep: $(srctree)/tools/build/fixdep.c - $(QUIET_CC)$(HOSTCC) $(KBUILD_HOSTCFLAGS) $(KBUILD_HOSTLDFLAGS) -o $@ $< +FIXDEP := $(OUTPUT)fixdep +FIXDEP_IN := $(OUTPUT)fixdep-in.o + +# To track fixdep's dependencies properly, fixdep needs to run on itself. +# Build it twice the first time. +$(FIXDEP_IN): FORCE + $(Q)if [ ! -f $(FIXDEP) ]; then \ + $(MAKE) $(build)=fixdep HOSTCFLAGS="$(KBUILD_HOSTCFLAGS)"; \ + rm -f $(FIXDEP).o; \ + fi + $(Q)$(MAKE) $(build)=fixdep HOSTCFLAGS="$(KBUILD_HOSTCFLAGS)" + + +$(FIXDEP): $(FIXDEP_IN) + $(QUIET_LINK)$(HOSTCC) $(FIXDEP_IN) $(KBUILD_HOSTLDFLAGS) -o $@ + +FORCE: + +.PHONY: FORCE |