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e026bcc561
- verify depmod is installed before modules_install
- support build salt in case build ids must be unique between builds
- allow users to specify additional host compiler flags via HOST*FLAGS,
and rename internal variables to KBUILD_HOST*FLAGS
- update buildtar script to drop vax support, add arm64 support
- update builddeb script for better debarch support
- document the pit-fall of if_changed usage
- fix parallel build of UML with O= option
- make 'samples' target depend on headers_install to fix build errors
- remove deprecated host-progs variable
- add a new coccinelle script for refcount_t vs atomic_t check
- improve double-test coccinelle script
- misc cleanups and fixes
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Merge tag 'kbuild-v4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild updates from Masahiro Yamada:
- verify depmod is installed before modules_install
- support build salt in case build ids must be unique between builds
- allow users to specify additional host compiler flags via HOST*FLAGS,
and rename internal variables to KBUILD_HOST*FLAGS
- update buildtar script to drop vax support, add arm64 support
- update builddeb script for better debarch support
- document the pit-fall of if_changed usage
- fix parallel build of UML with O= option
- make 'samples' target depend on headers_install to fix build errors
- remove deprecated host-progs variable
- add a new coccinelle script for refcount_t vs atomic_t check
- improve double-test coccinelle script
- misc cleanups and fixes
* tag 'kbuild-v4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (41 commits)
coccicheck: return proper error code on fail
Coccinelle: doubletest: reduce side effect false positives
kbuild: remove deprecated host-progs variable
kbuild: make samples really depend on headers_install
um: clean up archheaders recipe
kbuild: add %asm-generic to no-dot-config-targets
um: fix parallel building with O= option
scripts: Add Python 3 support to tracing/draw_functrace.py
builddeb: Add automatic support for sh{3,4}{,eb} architectures
builddeb: Add automatic support for riscv* architectures
builddeb: Add automatic support for m68k architecture
builddeb: Add automatic support for or1k architecture
builddeb: Add automatic support for sparc64 architecture
builddeb: Add automatic support for mips{,64}r6{,el} architectures
builddeb: Add automatic support for mips64el architecture
builddeb: Add automatic support for ppc64 and powerpcspe architectures
builddeb: Introduce functions to simplify kconfig tests in set_debarch
builddeb: Drop check for 32-bit s390
builddeb: Change architecture detection fallback to use dpkg-architecture
builddeb: Skip architecture detection when KBUILD_DEBARCH is set
...
38 lines
1.2 KiB
Makefile
38 lines
1.2 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0
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OBJECT_FILES_NON_STANDARD := y
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purgatory-y := head.o purgatory.o string.o sha256.o mem.o
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targets += $(purgatory-y) purgatory.ro kexec-purgatory.c
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PURGATORY_OBJS = $(addprefix $(obj)/,$(purgatory-y))
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$(obj)/sha256.o: $(srctree)/lib/sha256.c FORCE
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$(call if_changed_rule,cc_o_c)
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$(obj)/mem.o: $(srctree)/arch/s390/lib/mem.S FORCE
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$(call if_changed_rule,as_o_S)
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$(obj)/string.o: $(srctree)/arch/s390/lib/string.c FORCE
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$(call if_changed_rule,cc_o_c)
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LDFLAGS_purgatory.ro := -e purgatory_start -r --no-undefined -nostdlib
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LDFLAGS_purgatory.ro += -z nodefaultlib
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KBUILD_CFLAGS := -fno-strict-aliasing -Wall -Wstrict-prototypes
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KBUILD_CFLAGS += -Wno-pointer-sign -Wno-sign-compare
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KBUILD_CFLAGS += -fno-zero-initialized-in-bss -fno-builtin -ffreestanding
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KBUILD_CFLAGS += -c -MD -Os -m64 -msoft-float -fno-common
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KBUILD_CFLAGS += $(call cc-option,-fno-PIE)
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KBUILD_AFLAGS := $(filter-out -DCC_USING_EXPOLINE,$(KBUILD_AFLAGS))
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$(obj)/purgatory.ro: $(PURGATORY_OBJS) FORCE
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$(call if_changed,ld)
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quiet_cmd_bin2c = BIN2C $@
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cmd_bin2c = $(objtree)/scripts/bin2c kexec_purgatory < $< > $@
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$(obj)/kexec-purgatory.c: $(obj)/purgatory.ro FORCE
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$(call if_changed,bin2c)
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obj-$(CONFIG_ARCH_HAS_KEXEC_PURGATORY) += kexec-purgatory.o
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