Hi Linus,
please pull these kbuild changes for v4.7-rc1:
- New option CONFIG_TRIM_UNUSED_KSYMS which does a two-pass build and
unexports symbols which are not used in the current config [Nicolas
Pitre]
- Several kbuild rule cleanups [Masahiro Yamada]
- Warning option adjustments for gcov etc [Arnd Bergmann]
- A few more small fixes
Thanks,
Michal
The following changes since commit f55532a0c0b8bb6148f4e07853b876ef73bc69ca:
Linux 4.6-rc1 (2016-03-26 16:03:24 -0700)
are available in the git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild.git kbuild
for you to fetch changes up to c9c6837d39311b0cc14cdbe7c18e815ab44aefb1:
kbuild: move -Wunused-const-variable to W=1 warning level (2016-05-11 13:05:40 +0200)
----------------------------------------------------------------
Arnd Bergmann (6):
Kbuild: change CC_OPTIMIZE_FOR_SIZE definition
Kbuild: disable 'maybe-uninitialized' warning for CONFIG_PROFILE_ALL_BRANCHES
gcov: disable for COMPILE_TEST
gcov: disable tree-loop-im to reduce stack usage
gcov: disable -Wmaybe-uninitialized warning
kbuild: move -Wunused-const-variable to W=1 warning level
Masahiro Yamada (8):
kbuild: drop FORCE from PHONY targets
kbuild: specify modules(_install) as PHONY rather than FORCE
kbuild: mark help target as PHONY
kbuild: delete unnecessary "@:"
kbuild: drop redundant "PHONY += FORCE"
kbuild: rename cmd_cc_i_c to cmd_cpp_i_c
kbuild: rename cmd_as_s_S to cmd_cpp_s_S
kbuild: fix if_change and friends to consider argument order
Maxim Zhukov (1):
scripts: genksyms: fix resource leak
Michal Marek (1):
kbuild: Get rid of KBUILD_STR
Nicolas Ferre (1):
kbuild: fix call to adjust_autoksyms.sh when output directory specified
Nicolas Pitre (13):
kbuild: record needed exported symbols for modules
export.h: allow for per-symbol configurable EXPORT_SYMBOL()
fixdep: accept extra dependencies on stdin
kbuild: de-duplicate fixdep usage
kbuild: add fine grained build dependencies for exported symbols
kbuild: create/adjust generated/autoksyms.h
kbuild: build sample modules along with the rest of the kernel
kconfig option for TRIM_UNUSED_KSYMS
kbuild: better abstract vmlinux sequential prerequisites
kbuild: Fix dependencies for final vmlinux link
kbuild: adjust ksym_dep_filter for some cmd_* renames
kbuild: fix ksym_dep_filter when multiple EXPORT_SYMBOL() on the same line
kbuild: fix adjust_autoksyms.sh for modules that need only one symbol
Robert Jarzmik (1):
kbuild: forbid kernel directory to contain spaces and colons
Makefile | 66 +++++++++++++++------
arch/arm/boot/Makefile | 1 -
arch/arm/boot/bootp/Makefile | 3 +-
arch/arm/vdso/Makefile | 2 +-
arch/h8300/boot/compressed/Makefile | 1 -
arch/ia64/Makefile | 6 +-
arch/m32r/boot/compressed/Makefile | 1 -
arch/mn10300/boot/compressed/Makefile | 1 -
arch/nios2/boot/compressed/Makefile | 1 -
arch/s390/boot/compressed/Makefile | 1 -
arch/sh/boot/compressed/Makefile | 1 -
arch/sh/boot/romimage/Makefile | 1 -
arch/unicore32/boot/Makefile | 2 +-
arch/unicore32/boot/compressed/Makefile | 1 -
arch/x86/boot/compressed/Makefile | 1 -
arch/x86/entry/vdso/Makefile | 4 +-
arch/x86/purgatory/Makefile | 2 -
arch/x86/realmode/rm/Makefile | 1 -
include/linux/export.h | 33 ++++++++++-
init/Kconfig | 29 +++++++++
kernel/gcov/Kconfig | 1 +
scripts/Kbuild.include | 45 +++++++++++---
scripts/Makefile.build | 44 +++++++-------
scripts/Makefile.extrawarn | 1 +
scripts/Makefile.lib | 8 +--
scripts/adjust_autoksyms.sh | 101 ++++++++++++++++++++++++++++++++
scripts/basic/fixdep.c | 61 ++++++++++++++-----
scripts/genksyms/genksyms.c | 3 +
tools/build/Makefile.build | 8 +--
29 files changed, 335 insertions(+), 95 deletions(-)
create mode 100755 scripts/adjust_autoksyms.sh
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