diff options
Diffstat (limited to 'scripts/Kbuild.include')
| -rw-r--r-- | scripts/Kbuild.include | 7 |
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))/) |