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| author | Dean Camera <dean@fourwalledcubicle.com> | 2012-07-10 18:30:41 +0000 |
|---|---|---|
| committer | Dean Camera <dean@fourwalledcubicle.com> | 2012-07-10 18:30:41 +0000 |
| commit | 7f29c468d7bfce620f49ba1c0898bc68e95597f3 (patch) | |
| tree | efc5238c97e02270f002f474c64503a9571af98d /Demos/Device/ClassDriver/makefile | |
| parent | fafb52118d048f54675529b3d68f0cee706271d8 (diff) | |
| download | lufa-7f29c468d7bfce620f49ba1c0898bc68e95597f3.tar.gz lufa-7f29c468d7bfce620f49ba1c0898bc68e95597f3.tar.bz2 lufa-7f29c468d7bfce620f49ba1c0898bc68e95597f3.zip | |
Slightly better method of recursive make - use proper make dependencies to allow for parallel builds.
Diffstat (limited to 'Demos/Device/ClassDriver/makefile')
| -rw-r--r-- | Demos/Device/ClassDriver/makefile | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/Demos/Device/ClassDriver/makefile b/Demos/Device/ClassDriver/makefile index ad8800091..3a5615e05 100644 --- a/Demos/Device/ClassDriver/makefile +++ b/Demos/Device/ClassDriver/makefile @@ -22,10 +22,23 @@ ifeq ($(MAKELEVEL), 10) $(error EMERGENCY ABORT: INFINITE RECURSION DETECTED) endif -all: +# If building without a per-project object directory, we can't build in parallel ifeq ($(OBJDIR),) - @$(foreach PROJECT, $(PROJECT_DIRECTORIES), $(MAKE) -C $(PROJECT) clean all;) + .NOTPARALLEL: + + # Ensure projects are pre-cleaned if the target is the default or "all" + ifeq ($(MAKECMDGOALS),) + MAKECMDGOALS := clean all + endif + ifneq ($(findstring all, $(MAKECMDGOALS)),) + MAKECMDGOALS := clean $(MAKECMDGOALS) + endif endif -%: - @$(foreach PROJECT, $(PROJECT_DIRECTORIES), $(MAKE) -C $(PROJECT) $@;) +%: $(PROJECT_DIRECTORIES) + @echo . > /dev/null + +$(PROJECT_DIRECTORIES): + @$(MAKE) -C $@ $(MAKECMDGOALS) + +.PHONY: $(PROJECT_DIRECTORIES) |