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authorIngo Molnar <mingo@kernel.org>2019-06-17 12:06:34 +0200
committerIngo Molnar <mingo@kernel.org>2019-06-17 12:06:34 +0200
commit410df0c5748f6c5a53847d2acb163dc7cd8b6c51 (patch)
tree0c0f547f90a73ec6d30851f93720e0eb24f353eb /scripts/Kbuild.include
parentfff9b6c7d26943a8eb32b58364b7ec6b9369746a (diff)
parent9e0babf2c06c73cda2c0cd37a1653d823adb40ec (diff)
Merge tag 'v5.2-rc5' into locking/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'scripts/Kbuild.include')
-rw-r--r--scripts/Kbuild.include7
1 files changed, 6 insertions, 1 deletions
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))/)