[PATCH v2 27/28] kbuild: split exported generic header creation into uapi-asm-generic

From: Masahiro Yamada
Date: Sun Jul 09 2017 - 14:34:02 EST


When we install headers, we are interested only in headers under uapi
directories. Split out uapi-asm-generic target and make headers_install
depend on it. It will avoid generating unneeded asm-generic wrappers.

Signed-off-by: Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx>
---

Makefile | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/Makefile b/Makefile
index 70c414b15859..f75a93fa9975 100644
--- a/Makefile
+++ b/Makefile
@@ -456,10 +456,11 @@ ifneq ($(KBUILD_SRC),)
endif

# Support for using generic headers in asm-generic
-PHONY += asm-generic
-asm-generic:
+PHONY += asm-generic uapi-asm-generic
+asm-generic: uapi-asm-generic
$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.asm-generic \
src=asm obj=arch/$(SRCARCH)/include/generated/asm
+uapi-asm-generic:
$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.asm-generic \
src=uapi/asm obj=arch/$(SRCARCH)/include/generated/uapi/asm

@@ -1143,7 +1144,7 @@ PHONY += archscripts
archscripts:

PHONY += __headers
-__headers: $(version_h) scripts_basic asm-generic archheaders archscripts
+__headers: $(version_h) scripts_basic uapi-asm-generic archheaders archscripts
$(Q)$(MAKE) $(build)=scripts build_unifdef

PHONY += headers_install_all
--
2.7.4