Kbuild fixes for v5.11

- Search for <ncurses.h> in the default header path of HOSTCC
 
  - Tweak the option order to be kind to old BSD awk
 
  - Remove 'kvmconfig' and 'xenconfig' shorthands
 
  - Fix documentation
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Merge tag 'kbuild-fixes-v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull Kbuild fixes from Masahiro Yamada:

 - Search for <ncurses.h> in the default header path of HOSTCC

 - Tweak the option order to be kind to old BSD awk

 - Remove 'kvmconfig' and 'xenconfig' shorthands

 - Fix documentation

* tag 'kbuild-fixes-v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
  Documentation: kbuild: Fix section reference
  kconfig: remove 'kvmconfig' and 'xenconfig' shorthands
  lib/raid6: Let $(UNROLL) rules work with macOS userland
  kconfig: Support building mconf with vendor sysroot ncurses
  kconfig: config script: add a little user help
  MAINTAINERS: adjust GCC PLUGINS after gcc-plugin.sh removal
This commit is contained in:
Linus Torvalds 2021-01-10 13:24:55 -08:00
commit 20210a9846
6 changed files with 6 additions and 14 deletions

View File

@ -598,7 +598,7 @@ more details, with real examples.
explicitly added to $(targets).
Assignments to $(targets) are without $(obj)/ prefix. if_changed may be
used in conjunction with custom rules as defined in "3.9 Custom Rules".
used in conjunction with custom rules as defined in "3.11 Custom Rules".
Note: It is a typical mistake to forget the FORCE prerequisite.
Another common pitfall is that whitespace is sometimes significant; for

View File

@ -7363,7 +7363,6 @@ L: linux-hardening@vger.kernel.org
S: Maintained
F: Documentation/kbuild/gcc-plugins.rst
F: scripts/Makefile.gcc-plugins
F: scripts/gcc-plugin.sh
F: scripts/gcc-plugins/
GCOV BASED KERNEL PROFILING

View File

@ -48,7 +48,7 @@ endif
endif
quiet_cmd_unroll = UNROLL $@
cmd_unroll = $(AWK) -f$(srctree)/$(src)/unroll.awk -vN=$* < $< > $@
cmd_unroll = $(AWK) -v N=$* -f $(srctree)/$(src)/unroll.awk < $< > $@
targets += int1.c int2.c int4.c int8.c int16.c int32.c
$(obj)/int%.c: $(src)/int.uc $(src)/unroll.awk FORCE

View File

@ -223,6 +223,7 @@ while [ "$1" != "" ] ; do
;;
*)
echo "bad command: $CMD" >&2
usage
;;
esac

View File

@ -94,16 +94,6 @@ configfiles=$(wildcard $(srctree)/kernel/configs/$@ $(srctree)/arch/$(SRCARCH)/c
$(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh -m .config $(configfiles)
$(Q)$(MAKE) -f $(srctree)/Makefile olddefconfig
PHONY += kvmconfig
kvmconfig: kvm_guest.config
@echo >&2 "WARNING: 'make $@' will be removed after Linux 5.10"
@echo >&2 " Please use 'make $<' instead."
PHONY += xenconfig
xenconfig: xen.config
@echo >&2 "WARNING: 'make $@' will be removed after Linux 5.10"
@echo >&2 " Please use 'make $<' instead."
PHONY += tinyconfig
tinyconfig:
$(Q)$(MAKE) -f $(srctree)/Makefile allnoconfig tiny.config

View File

@ -33,7 +33,9 @@ if [ -f /usr/include/ncurses/ncurses.h ]; then
exit 0
fi
if [ -f /usr/include/ncurses.h ]; then
# As a final fallback before giving up, check if $HOSTCC knows of a default
# ncurses installation (e.g. from a vendor-specific sysroot).
if echo '#include <ncurses.h>' | "${HOSTCC}" -E - >/dev/null 2>&1; then
echo cflags=\"-D_GNU_SOURCE\"
echo libs=\"-lncurses\"
exit 0