diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2019-03-11 03:48:21 +0300 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-03-11 03:48:21 +0300 |
commit | ffd602eb4693bbb49b301fa059b109bbdebf9524 (patch) | |
tree | a7be15ffb7fe1a23dde4dc2831670f3abed6ce95 /Kbuild | |
parent | 5af7f115886f7ec193171e2e49b8000ddd1e7147 (diff) | |
parent | 9250d20e9ecedab6aa331a127fbfc1272383ed72 (diff) | |
download | linux-ffd602eb4693bbb49b301fa059b109bbdebf9524.tar.xz |
Merge tag 'kbuild-v5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild updates from Masahiro Yamada:
- do not generate unneeded top-level built-in.a
- let git ignore O= directory entirely
- optimize scripts/kallsyms slightly
- exclude DWARF info from *.s regardless of config options
- fix GCC toolchain search path for Clang to prepare ld.lld support
- do not generate modules.order when CONFIG_MODULES is disabled
- simplify single target rules and remove VPATH for external module
build
- allow to add optional flags to dpkg-buildpackage when building
deb-pkg
- move some compiler option tests from Makefile to Kconfig
- various Makefile cleanups
* tag 'kbuild-v5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (40 commits)
kbuild: remove scripts/basic/% build target
kbuild: use -Werror=implicit-... instead of -Werror-implicit-...
kbuild: clean up scripts/gcc-version.sh
kbuild: remove cc-version macro
kbuild: update comment block of scripts/clang-version.sh
kbuild: remove commented-out INITRD_COMPRESS
kbuild: move -gsplit-dwarf, -gdwarf-4 option tests to Kconfig
kbuild: [bin]deb-pkg: add DPKG_FLAGS variable
kbuild: move ".config not found!" message from Kconfig to Makefile
kbuild: invoke syncconfig if include/config/auto.conf.cmd is missing
kbuild: simplify single target rules
kbuild: remove empty rules for makefiles
kbuild: make -r/-R effective in top Makefile for old Make versions
kbuild: move tools_silent to a more relevant place
kbuild: compute false-positive -Wmaybe-uninitialized cases in Kconfig
kbuild: refactor cc-cross-prefix implementation
kbuild: hardcode genksyms path and remove GENKSYMS variable
scripts/gdb: refactor rules for symlink creation
kbuild: create symlink to vmlinux-gdb.py in scripts_gdb target
scripts/gdb: do not descend into scripts/gdb from scripts
...
Diffstat (limited to 'Kbuild')
-rw-r--r-- | Kbuild | 29 |
1 files changed, 5 insertions, 24 deletions
@@ -1,16 +1,9 @@ # SPDX-License-Identifier: GPL-2.0 # # Kbuild for top-level directory of the kernel -# This file takes care of the following: -# 1) Generate bounds.h -# 2) Generate timeconst.h -# 3) Generate asm-offsets.h (may need bounds.h and timeconst.h) -# 4) Check for missing system calls -# 5) check atomics headers are up-to-date -# 6) Generate constants.py (may need bounds.h) ##### -# 1) Generate bounds.h +# Generate bounds.h bounds-file := include/generated/bounds.h @@ -21,7 +14,7 @@ $(bounds-file): kernel/bounds.s FORCE $(call filechk,offsets,__LINUX_BOUNDS_H__) ##### -# 2) Generate timeconst.h +# Generate timeconst.h timeconst-file := include/generated/timeconst.h @@ -33,8 +26,7 @@ $(timeconst-file): kernel/time/timeconst.bc FORCE $(call filechk,gentimeconst) ##### -# 3) Generate asm-offsets.h -# +# Generate asm-offsets.h offsets-file := include/generated/asm-offsets.h @@ -47,8 +39,7 @@ $(offsets-file): arch/$(SRCARCH)/kernel/asm-offsets.s FORCE $(call filechk,offsets,__ASM_OFFSETS_H__) ##### -# 4) Check for missing system calls -# +# Check for missing system calls always += missing-syscalls targets += missing-syscalls @@ -60,8 +51,7 @@ missing-syscalls: scripts/checksyscalls.sh $(offsets-file) FORCE $(call cmd,syscalls) ##### -# 5) Check atomic headers are up-to-date -# +# Check atomic headers are up-to-date always += old-atomics targets += old-atomics @@ -72,14 +62,5 @@ quiet_cmd_atomics = CALL $< old-atomics: scripts/atomic/check-atomics.sh FORCE $(call cmd,atomics) -##### -# 6) Generate constants for Python GDB integration -# - -extra-$(CONFIG_GDB_SCRIPTS) += build_constants_py - -build_constants_py: $(timeconst-file) $(bounds-file) - @$(MAKE) $(build)=scripts/gdb/linux $@ - # Keep these three files during make clean no-clean-files := $(bounds-file) $(offsets-file) $(timeconst-file) |