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authorLinus Torvalds <torvalds@linux-foundation.org>2018-12-29 12:03:17 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2018-12-29 12:03:17 -0800
commit668c35f69cc750aaf07bd5fe7710a47e2aed6e43 (patch)
tree3a54f093d548b62b143bf1bc47aa657be17924f8 /arch
parentd8372ba8ce288acdfce67cb873b2a741785c2e88 (diff)
parentdec28d8ea2f731b7ec68a2c9421e99a165d47b57 (diff)
downloadlinux-668c35f69cc750aaf07bd5fe7710a47e2aed6e43.tar.gz
Merge tag 'kbuild-v4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild updates from Masahiro Yamada: "Kbuild core: - remove unneeded $(call cc-option,...) switches - consolidate Clang compiler flags into CLANG_FLAGS - announce the deprecation of SUBDIRS - fix single target build for external module - simplify the dependencies of 'prepare' stage targets - allow fixdep to directly write to .*.cmd files - simplify dependency generation for CONFIG_TRIM_UNUSED_KSYMS - change if_changed_rule to accept multi-line recipe - move .SECONDARY special target to scripts/Kbuild.include - remove redundant 'set -e' - improve parallel execution for CONFIG_HEADERS_CHECK - misc cleanups Treewide fixes and cleanups - set Clang flags correctly for PowerPC boot images - fix UML build error with CONFIG_GCC_PLUGINS - remove unneeded patterns from .gitignore files - refactor firmware/Makefile - remove unneeded rules for *offsets.s - avoid unneeded regeneration of intermediate .s files - clean up ./Kbuild Modpost: - remove unused -M, -K options - fix false positive warnings about section mismatch - use simple devtable lookup instead of linker magic - misc cleanups Coccinelle: - relax boolinit.cocci checks for overall consistency - fix warning messages of boolinit.cocci Other tools: - improve -dirty check of scripts/setlocalversion - add a tool to generate compile_commands.json from .*.cmd files" * tag 'kbuild-v4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (51 commits) kbuild: remove unused cmd_gentimeconst kbuild: remove $(obj)/ prefixes in ./Kbuild treewide: add intermediate .s files to targets treewide: remove explicit rules for *offsets.s firmware: refactor firmware/Makefile firmware: remove unnecessary patterns from .gitignore scripts: remove unnecessary ihex2fw and check-lc_ctypes from .gitignore um: remove unused filechk_gen_header in Makefile scripts: add a tool to produce a compile_commands.json file kbuild: add -Werror=implicit-int flag unconditionally kbuild: add -Werror=strict-prototypes flag unconditionally kbuild: add -fno-PIE flag unconditionally scripts: coccinelle: Correct warning message scripts: coccinelle: only suggest true/false in files that already use them kbuild: handle part-of-module correctly for *.ll and *.symtypes kbuild: refactor part-of-module kbuild: refactor quiet_modtag kbuild: remove redundant quiet_modtag for $(obj-m) kbuild: refactor Makefile.asm-generic user/Makefile: Fix typo and capitalization in comment section ...
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/crypto/Makefile2
-rw-r--r--arch/arm/mach-at91/Makefile5
-rw-r--r--arch/arm/mach-omap2/Makefile5
-rw-r--r--arch/arm64/crypto/Makefile2
-rw-r--r--arch/ia64/kernel/Makefile7
-rw-r--r--arch/powerpc/boot/Makefile5
-rw-r--r--arch/um/Makefile26
-rw-r--r--arch/x86/um/Makefile5
8 files changed, 19 insertions, 38 deletions
diff --git a/arch/arm/crypto/Makefile b/arch/arm/crypto/Makefile
index b65d6bfab8e6..4180f3a13512 100644
--- a/arch/arm/crypto/Makefile
+++ b/arch/arm/crypto/Makefile
@@ -67,4 +67,4 @@ $(src)/sha512-core.S_shipped: $(src)/sha512-armv4.pl
$(call cmd,perl)
endif
-targets += sha256-core.S sha512-core.S
+clean-files += sha256-core.S sha512-core.S
diff --git a/arch/arm/mach-at91/Makefile b/arch/arm/mach-at91/Makefile
index 7415f181907b..31b61f0e1c07 100644
--- a/arch/arm/mach-at91/Makefile
+++ b/arch/arm/mach-at91/Makefile
@@ -19,10 +19,9 @@ ifeq ($(CONFIG_PM_DEBUG),y)
CFLAGS_pm.o += -DDEBUG
endif
-arch/arm/mach-at91/pm_data-offsets.s: arch/arm/mach-at91/pm_data-offsets.c
- $(call if_changed_dep,cc_s_c)
-
include/generated/at91_pm_data-offsets.h: arch/arm/mach-at91/pm_data-offsets.s FORCE
$(call filechk,offsets,__PM_DATA_OFFSETS_H__)
arch/arm/mach-at91/pm_suspend.o: include/generated/at91_pm_data-offsets.h
+
+targets += pm_data-offsets.s
diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index 899c60fac159..85d1b13c9215 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile
@@ -236,10 +236,9 @@ obj-y += omap_phy_internal.o
obj-$(CONFIG_MACH_OMAP2_TUSB6010) += usb-tusb6010.o
-arch/arm/mach-omap2/pm-asm-offsets.s: arch/arm/mach-omap2/pm-asm-offsets.c
- $(call if_changed_dep,cc_s_c)
-
include/generated/ti-pm-asm-offsets.h: arch/arm/mach-omap2/pm-asm-offsets.s FORCE
$(call filechk,offsets,__TI_PM_ASM_OFFSETS_H__)
$(obj)/sleep33xx.o $(obj)/sleep43xx.o: include/generated/ti-pm-asm-offsets.h
+
+targets += pm-asm-offsets.s
diff --git a/arch/arm64/crypto/Makefile b/arch/arm64/crypto/Makefile
index a4ffd9fe3265..e766daf43b7c 100644
--- a/arch/arm64/crypto/Makefile
+++ b/arch/arm64/crypto/Makefile
@@ -78,4 +78,4 @@ $(src)/sha512-core.S_shipped: $(src)/sha512-armv8.pl
$(call cmd,perlasm)
endif
-targets += sha256-core.S sha512-core.S
+clean-files += sha256-core.S sha512-core.S
diff --git a/arch/ia64/kernel/Makefile b/arch/ia64/kernel/Makefile
index d0c0ccdd656a..4ba05140b249 100644
--- a/arch/ia64/kernel/Makefile
+++ b/arch/ia64/kernel/Makefile
@@ -50,10 +50,7 @@ CFLAGS_traps.o += -mfixed-range=f2-f5,f16-f31
# The gate DSO image is built using a special linker script.
include $(src)/Makefile.gate
-# We use internal kbuild rules to avoid the "is up to date" message from make
-arch/$(SRCARCH)/kernel/nr-irqs.s: arch/$(SRCARCH)/kernel/nr-irqs.c
- $(Q)mkdir -p $(dir $@)
- $(call if_changed_dep,cc_s_c)
-
include/generated/nr-irqs.h: arch/$(SRCARCH)/kernel/nr-irqs.s FORCE
$(call filechk,offsets,__ASM_NR_IRQS_H__)
+
+targets += nr-irqs.s
diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile
index ed9883169190..0e8dadd011bc 100644
--- a/arch/powerpc/boot/Makefile
+++ b/arch/powerpc/boot/Makefile
@@ -55,6 +55,11 @@ BOOTAFLAGS := -D__ASSEMBLY__ $(BOOTCFLAGS) -traditional -nostdinc
BOOTARFLAGS := -cr$(KBUILD_ARFLAGS)
+ifdef CONFIG_CC_IS_CLANG
+BOOTCFLAGS += $(CLANG_FLAGS)
+BOOTAFLAGS += $(CLANG_FLAGS)
+endif
+
ifdef CONFIG_DEBUG_INFO
BOOTCFLAGS += -g
endif
diff --git a/arch/um/Makefile b/arch/um/Makefile
index ab1066c38944..273130cf91d1 100644
--- a/arch/um/Makefile
+++ b/arch/um/Makefile
@@ -23,8 +23,6 @@ OS := $(shell uname -s)
# features.
SHELL := /bin/bash
-filechk_gen_header = $<
-
core-y += $(ARCH_DIR)/kernel/ \
$(ARCH_DIR)/drivers/ \
$(ARCH_DIR)/os-$(OS)/
@@ -116,7 +114,8 @@ endef
archheaders:
$(Q)$(MAKE) -f $(srctree)/Makefile ARCH=$(HEADER_ARCH) asm-generic archheaders
-archprepare: include/generated/user_constants.h
+archprepare:
+ $(Q)$(MAKE) $(build)=$(HOST_DIR)/um include/generated/user_constants.h
LINK-$(CONFIG_LD_SCRIPT_STATIC) += -static
LINK-$(CONFIG_LD_SCRIPT_DYN) += -Wl,-rpath,/lib $(call cc-option, -no-pie)
@@ -146,25 +145,4 @@ archclean:
@find . \( -name '*.bb' -o -name '*.bbg' -o -name '*.da' \
-o -name '*.gcov' \) -type f -print | xargs rm -f
-# Generated files
-
-$(HOST_DIR)/um/user-offsets.s: __headers FORCE
- $(Q)$(MAKE) $(build)=$(HOST_DIR)/um $@
-
-define filechk_gen-asm-offsets
- (set -e; \
- echo "/*"; \
- echo " * DO NOT MODIFY."; \
- echo " *"; \
- echo " * This file was generated by arch/$(ARCH)/Makefile"; \
- echo " *"; \
- echo " */"; \
- echo ""; \
- sed -ne "/^->/{s:^->\([^ ]*\) [\$$#]*\([^ ]*\) \(.*\):#define \1 \2 /* \3 */:; s:->::; p;}" < $<; \
- echo ""; )
-endef
-
-include/generated/user_constants.h: $(HOST_DIR)/um/user-offsets.s
- $(call filechk,gen-asm-offsets)
-
export HEADER_ARCH SUBARCH USER_CFLAGS CFLAGS_NO_HARDENING OS DEV_NULL_PATH
diff --git a/arch/x86/um/Makefile b/arch/x86/um/Makefile
index c2d3d7c51e9e..2d686ae54681 100644
--- a/arch/x86/um/Makefile
+++ b/arch/x86/um/Makefile
@@ -36,9 +36,12 @@ subarch-$(CONFIG_MODULES) += ../kernel/module.o
USER_OBJS := bugs_$(BITS).o ptrace_user.o fault.o
-extra-y += user-offsets.s
$(obj)/user-offsets.s: c_flags = -Wp,-MD,$(depfile) $(USER_CFLAGS) \
-Iarch/x86/include/generated
+targets += user-offsets.s
+
+include/generated/user_constants.h: $(obj)/user-offsets.s
+ $(call filechk,offsets,__USER_CONSTANT_H__)
UNPROFILE_OBJS := stub_segv.o
CFLAGS_stub_segv.o := $(CFLAGS_NO_HARDENING)