diff options
Diffstat (limited to 'scripts/Kbuild.include')
| -rw-r--r-- | scripts/Kbuild.include | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include index d65c40331e66..8d7eabf238c0 100644 --- a/scripts/Kbuild.include +++ b/scripts/Kbuild.include | |||
| @@ -60,17 +60,16 @@ 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/.$$$$.null; \ |
| 67 | \ | ||
| 68 | ln -s /dev/null $$OUT; \ | ||
| 69 | if $(1) >/dev/null 2>&1; \ | 68 | if $(1) >/dev/null 2>&1; \ |
| 70 | then echo "$(2)"; \ | 69 | then echo "$(2)"; \ |
| 71 | else echo "$(3)"; \ | 70 | else echo "$(3)"; \ |
| 72 | fi; \ | 71 | fi; \ |
| 73 | rm -f $$OUT) | 72 | rm -f $$OUT)) |
| 74 | endef | 73 | endef |
| 75 | 74 | ||
| 76 | # as-option | 75 | # as-option |
