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Message-ID: <20240904234803.698424-2-masahiroy@kernel.org>
Date: Thu, 5 Sep 2024 08:47:37 +0900
From: Masahiro Yamada <masahiroy@...nel.org>
To: linux-kbuild@...r.kernel.org
Cc: linux-arch@...r.kernel.org,
linux-snps-arc@...ts.infradead.org,
linux-kernel@...r.kernel.org,
Michal Simek <monstr@...str.eu>,
Rob Herring <robh@...nel.org>,
devicetree@...r.kernel.org,
linux-mips@...r.kernel.org,
linux-openrisc@...r.kernel.org,
Dinh Nguyen <dinguyen@...nel.org>,
Masahiro Yamada <masahiroy@...nel.org>
Subject: [PATCH 01/15] kbuild: add intermediate targets for Flex/Bison in scripts/Makefile.host
Flex and Bison are used only for host programs. Move their intermediate
target processing from scripts/Makefile.build to scripts/Makefile.host.
Signed-off-by: Masahiro Yamada <masahiroy@...nel.org>
---
scripts/Makefile.build | 35 ++++++++++++++++-------------------
scripts/Makefile.host | 5 +++++
2 files changed, 21 insertions(+), 19 deletions(-)
diff --git a/scripts/Makefile.build b/scripts/Makefile.build
index a5ac8ed1936f..4b6942653093 100644
--- a/scripts/Makefile.build
+++ b/scripts/Makefile.build
@@ -41,20 +41,6 @@ include $(srctree)/scripts/Makefile.compiler
include $(kbuild-file)
include $(srctree)/scripts/Makefile.lib
-# Do not include hostprogs rules unless needed.
-# $(sort ...) is used here to remove duplicated words and excessive spaces.
-hostprogs := $(sort $(hostprogs))
-ifneq ($(hostprogs),)
-include $(srctree)/scripts/Makefile.host
-endif
-
-# Do not include userprogs rules unless needed.
-# $(sort ...) is used here to remove duplicated words and excessive spaces.
-userprogs := $(sort $(userprogs))
-ifneq ($(userprogs),)
-include $(srctree)/scripts/Makefile.userprogs
-endif
-
ifndef obj
$(warning kbuild: Makefile.build is included improperly)
endif
@@ -452,13 +438,24 @@ intermediate_targets = $(foreach sfx, $(2), \
# %.asn1.o <- %.asn1.[ch] <- %.asn1
# %.dtb.o <- %.dtb.S <- %.dtb <- %.dts
# %.dtbo.o <- %.dtbo.S <- %.dtbo <- %.dtso
-# %.lex.o <- %.lex.c <- %.l
-# %.tab.o <- %.tab.[ch] <- %.y
targets += $(call intermediate_targets, .asn1.o, .asn1.c .asn1.h) \
$(call intermediate_targets, .dtb.o, .dtb.S .dtb) \
- $(call intermediate_targets, .dtbo.o, .dtbo.S .dtbo) \
- $(call intermediate_targets, .lex.o, .lex.c) \
- $(call intermediate_targets, .tab.o, .tab.c .tab.h)
+ $(call intermediate_targets, .dtbo.o, .dtbo.S .dtbo)
+
+# Include additional build rules when necessary
+# ---------------------------------------------------------------------------
+
+# $(sort ...) is used here to remove duplicated words and excessive spaces.
+hostprogs := $(sort $(hostprogs))
+ifneq ($(hostprogs),)
+include $(srctree)/scripts/Makefile.host
+endif
+
+# $(sort ...) is used here to remove duplicated words and excessive spaces.
+userprogs := $(sort $(userprogs))
+ifneq ($(userprogs),)
+include $(srctree)/scripts/Makefile.userprogs
+endif
# Build
# ---------------------------------------------------------------------------
diff --git a/scripts/Makefile.host b/scripts/Makefile.host
index e85be7721a48..e01c13a588dd 100644
--- a/scripts/Makefile.host
+++ b/scripts/Makefile.host
@@ -160,3 +160,8 @@ $(host-rust): $(obj)/%: $(src)/%.rs FORCE
targets += $(host-csingle) $(host-cmulti) $(host-cobjs) \
$(host-cxxmulti) $(host-cxxobjs) $(host-rust)
+
+# %.lex.o <- %.lex.c <- %.l
+# %.tab.o <- %.tab.[ch] <- %.y
+targets += $(call intermediate_targets, .lex.o, .lex.c) \
+ $(call intermediate_targets, .tab.o, .tab.c .tab.h)
--
2.43.0
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