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Date: Wed, 16 Jan 2019 11:56:41 +0900 From: Masahiro Yamada <yamada.masahiro@...ionext.com> To: linux-kbuild@...r.kernel.org Cc: devicetree@...r.kernel.org, Masahiro Yamada <yamada.masahiro@...ionext.com>, linux-kernel@...r.kernel.org, Michal Marek <michal.lkml@...kovi.net>, Mauro Rossi <issor.oruam@...il.com>, Rob Herring <robh+dt@...nel.org>, Frank Rowand <frowand.list@...il.com> Subject: [PATCH 2/2] kbuild: add -I$(srctree)/$(src) automatically for hostprogs with O= When building kernel objects with the O= option, scripts/Makefile.lib automatically adds both -I$(srctree)/$(src) and -I$(obj) so each Makefile does not need to add them explicitly. In contrast, scripts/Makefile.host adds only -I$(obj) when building host programs with the O= option. As a result, each Makefile must add the extra option to include checkin headers from generated C files. Let's cater to this in the build system for consistency, and drop extra options from the kconfig, dtc, genksyms Makefiles. Signed-off-by: Masahiro Yamada <yamada.masahiro@...ionext.com> --- scripts/Makefile.host | 4 ++-- scripts/dtc/Makefile | 4 ---- scripts/genksyms/Makefile | 4 ---- scripts/kconfig/Makefile | 2 -- 4 files changed, 2 insertions(+), 12 deletions(-) diff --git a/scripts/Makefile.host b/scripts/Makefile.host index a115259..c41d5a1d 100644 --- a/scripts/Makefile.host +++ b/scripts/Makefile.host @@ -72,8 +72,8 @@ __hostcxx_flags = $(_hostcxx_flags) ifeq ($(KBUILD_EXTMOD),) ifneq ($(KBUILD_SRC),) -__hostc_flags = -I$(obj) $(call flags,_hostc_flags) -__hostcxx_flags = -I$(obj) $(call flags,_hostcxx_flags) +__hostc_flags = -I $(srctree)/$(src) -I $(obj) $(call flags,_hostc_flags) +__hostcxx_flags = -I $(srctree)/$(src) -I $(obj) $(call flags,_hostcxx_flags) endif endif diff --git a/scripts/dtc/Makefile b/scripts/dtc/Makefile index 5f227d8..72d3fa4 100644 --- a/scripts/dtc/Makefile +++ b/scripts/dtc/Makefile @@ -22,9 +22,5 @@ dtc-objs += yamltree.o HOSTLDLIBS_dtc := -lyaml endif -# Generated files need one more search path to include headers in source tree -HOSTCFLAGS_dtc-lexer.lex.o := -I$(src) -HOSTCFLAGS_dtc-parser.tab.o := -I$(src) - # dependencies on generated files need to be listed explicitly $(obj)/dtc-lexer.lex.o: $(obj)/dtc-parser.tab.h diff --git a/scripts/genksyms/Makefile b/scripts/genksyms/Makefile index 03b7ce9..ae5953d 100644 --- a/scripts/genksyms/Makefile +++ b/scripts/genksyms/Makefile @@ -30,9 +30,5 @@ $(obj)/parse.tab.h: $(src)/parse.y FORCE endif -# -I needed for generated C source (shipped source) -HOSTCFLAGS_parse.tab.o := -I$(src) -HOSTCFLAGS_lex.lex.o := -I$(src) - # dependencies on generated files need to be listed explicitly $(obj)/lex.lex.o: $(obj)/parse.tab.h diff --git a/scripts/kconfig/Makefile b/scripts/kconfig/Makefile index 1819735..12cb5eb 100644 --- a/scripts/kconfig/Makefile +++ b/scripts/kconfig/Makefile @@ -146,8 +146,6 @@ help: common-objs := confdata.o expr.o symbol.o preprocess.o zconf.lex.o zconf.tab.o $(obj)/zconf.lex.o: $(obj)/zconf.tab.h -HOSTCFLAGS_zconf.lex.o := -I$(src) -HOSTCFLAGS_zconf.tab.o := -I$(src) # conf: Used for defconfig, oldconfig and related targets hostprogs-y += conf -- 2.7.4
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