diff options
Diffstat (limited to 'scripts/Kbuild.include')
-rw-r--r-- | scripts/Kbuild.include | 19 |
1 files changed, 9 insertions, 10 deletions
diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include index 8d7eabf238c0..a1880e854dce 100644 --- a/scripts/Kbuild.include +++ b/scripts/Kbuild.include | |||
@@ -60,16 +60,15 @@ endef | |||
60 | # Usage: option = $(call checker-shell,$(CC)...-o $$OUT,option-ok,otherwise) | 60 | # Usage: option = $(call checker-shell,$(CC)...-o $$OUT,option-ok,otherwise) |
61 | # Exit code chooses option. $$OUT is safe location for needless output. | 61 | # Exit code chooses option. $$OUT is safe location for needless output. |
62 | define checker-shell | 62 | define checker-shell |
63 | $(strip | 63 | $(shell set -e; \ |
64 | $(shell set -e; \ | 64 | DIR=$(KBUILD_EXTMOD); \ |
65 | DIR=$(KBUILD_EXTMOD); \ | 65 | cd $${DIR:-$(objtree)}; \ |
66 | cd $${DIR:-$(objtree)}; \ | 66 | OUT=$$PWD/.$$$$.null; \ |
67 | OUT=$$PWD/.$$$$.null; \ | 67 | if $(1) >/dev/null 2>&1; \ |
68 | if $(1) >/dev/null 2>&1; \ | 68 | then echo "$(2)"; \ |
69 | then echo "$(2)"; \ | 69 | else echo "$(3)"; \ |
70 | else echo "$(3)"; \ | 70 | fi; \ |
71 | fi; \ | 71 | rm -f $$OUT) |
72 | rm -f $$OUT)) | ||
73 | endef | 72 | endef |
74 | 73 | ||
75 | # as-option | 74 | # as-option |