I sometimes receive a question why "make -j<N> clean all" does not work. It is actually possible to make it work by handling targets one by one.
Signed-off-by: Masahiro Yamada <[email protected]> --- Makefile | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/Makefile b/Makefile index cd9145c..31d138e 100644 --- a/Makefile +++ b/Makefile @@ -220,7 +220,8 @@ export srctree objtree VPATH version_h := include/generated/uapi/linux/version.h old_version_h := include/linux/version.h -no-dot-config-targets := clean mrproper distclean \ +clean-targets := %clean mrproper cleandocs +no-dot-config-targets := $(clean-targets) \ cscope gtags TAGS tags help% %docs check% coccicheck \ $(version_h) headers_% archheaders archscripts \ kernelversion %src-pkg @@ -243,6 +244,14 @@ ifeq ($(KBUILD_EXTMOD),) endif endif endif + +# For "make -j clean all", "make -j mrproper defconfig all", etc. +ifneq ($(filter $(clean-targets),$(MAKECMDGOALS)),) + ifneq ($(filter-out $(clean-targets),$(MAKECMDGOALS)),) + mixed-targets := 1 + endif +endif + # install and modules_install need also be processed one by one ifneq ($(filter install,$(MAKECMDGOALS)),) ifneq ($(filter modules_install,$(MAKECMDGOALS)),) -- 2.7.4
