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authorLinus Torvalds <torvalds@linux-foundation.org>2019-06-07 11:59:20 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2019-06-07 11:59:20 -0700
commit33de0d1c68a5127e923363349c349d90c7da06a1 (patch)
tree54b5bd17293f0cc768670e1164e7eb97291451a0
parent91f152e75bcdba95130ec5fdb1010e91a48d9a11 (diff)
parent913ab9780fc021298949cc5514d6255a008e69f9 (diff)
downloadlinux-33de0d1c68a5127e923363349c349d90c7da06a1.tar.bz2
Merge tag 'kbuild-fixes-v5.2-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull more Kbuild fixes from Masahiro Yamada: - fix kselftest-merge to find config fragments in deeper directories - fix kconfig unit test, which was broken by SPDX tag addition - add + prefix to buildtar to suppress jobserver unavailable warning - fix checkstack.pl to recognize arch=arm64 - suppress noisy warning from cc-cross-prefix * tag 'kbuild-fixes-v5.2-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: kbuild: use more portable 'command -v' for cc-cross-prefix scripts/checkstack.pl: Fix arm64 wrong or unknown architecture kbuild: tar-pkg: enable communication with jobserver kconfig: tests: fix recursive inclusion unit test kbuild: teach kselftest-merge to find nested config files
-rw-r--r--Makefile5
-rw-r--r--scripts/Kbuild.include7
-rwxr-xr-xscripts/checkstack.pl2
-rw-r--r--scripts/kconfig/tests/err_recursive_inc/expected_stderr6
-rw-r--r--scripts/package/Makefile2
5 files changed, 13 insertions, 9 deletions
diff --git a/Makefile b/Makefile
index 004d67a4405f..d27e1326cc03 100644
--- a/Makefile
+++ b/Makefile
@@ -1228,9 +1228,8 @@ kselftest-clean:
PHONY += kselftest-merge
kselftest-merge:
$(if $(wildcard $(objtree)/.config),, $(error No .config exists, config your kernel first!))
- $(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh \
- -m $(objtree)/.config \
- $(srctree)/tools/testing/selftests/*/config
+ $(Q)find $(srctree)/tools/testing/selftests -name config | \
+ xargs $(srctree)/scripts/kconfig/merge_config.sh -m $(objtree)/.config
+$(Q)$(MAKE) -f $(srctree)/Makefile olddefconfig
# ---------------------------------------------------------------------------
diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include
index 85d758233483..f641bb0aa63f 100644
--- a/scripts/Kbuild.include
+++ b/scripts/Kbuild.include
@@ -74,8 +74,13 @@ endef
# Usage: CROSS_COMPILE := $(call cc-cross-prefix, m68k-linux-gnu- m68k-linux-)
# Return first <prefix> where a <prefix>gcc is found in PATH.
# If no gcc found in PATH with listed prefixes return nothing
+#
+# Note: '2>/dev/null' is here to force Make to invoke a shell. Otherwise, it
+# would try to directly execute the shell builtin 'command'. This workaround
+# should be kept for a long time since this issue was fixed only after the
+# GNU Make 4.2.1 release.
cc-cross-prefix = $(firstword $(foreach c, $(filter-out -%, $(1)), \
- $(if $(shell which $(c)gcc), $(c))))
+ $(if $(shell command -v $(c)gcc 2>/dev/null), $(c))))
# output directory for tests below
TMPOUT := $(if $(KBUILD_EXTMOD),$(firstword $(KBUILD_EXTMOD))/)
diff --git a/scripts/checkstack.pl b/scripts/checkstack.pl
index 122aef5e4e14..371bd17a4983 100755
--- a/scripts/checkstack.pl
+++ b/scripts/checkstack.pl
@@ -46,7 +46,7 @@ my (@stack, $re, $dre, $x, $xs, $funcre);
$x = "[0-9a-f]"; # hex character
$xs = "[0-9a-f ]"; # hex character or space
$funcre = qr/^$x* <(.*)>:$/;
- if ($arch eq 'aarch64') {
+ if ($arch =~ '^(aarch|arm)64$') {
#ffffffc0006325cc: a9bb7bfd stp x29, x30, [sp, #-80]!
#a110: d11643ff sub sp, sp, #0x590
$re = qr/^.*stp.*sp, \#-([0-9]{1,8})\]\!/o;
diff --git a/scripts/kconfig/tests/err_recursive_inc/expected_stderr b/scripts/kconfig/tests/err_recursive_inc/expected_stderr
index 6b582eee2176..b070a31fdfeb 100644
--- a/scripts/kconfig/tests/err_recursive_inc/expected_stderr
+++ b/scripts/kconfig/tests/err_recursive_inc/expected_stderr
@@ -1,6 +1,6 @@
Recursive inclusion detected.
Inclusion path:
current file : Kconfig.inc1
- included from: Kconfig.inc3:1
- included from: Kconfig.inc2:3
- included from: Kconfig.inc1:4
+ included from: Kconfig.inc3:2
+ included from: Kconfig.inc2:4
+ included from: Kconfig.inc1:5
diff --git a/scripts/package/Makefile b/scripts/package/Makefile
index 27b42d5b6c4f..ca7f46b562a4 100644
--- a/scripts/package/Makefile
+++ b/scripts/package/Makefile
@@ -104,7 +104,7 @@ clean-dirs += $(objtree)/snap/
# ---------------------------------------------------------------------------
tar%pkg: FORCE
$(MAKE) -f $(srctree)/Makefile
- $(CONFIG_SHELL) $(srctree)/scripts/package/buildtar $@
+ +$(CONFIG_SHELL) $(srctree)/scripts/package/buildtar $@
clean-dirs += $(objtree)/tar-install/