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-rw-r--r--scripts/Kbuild.include19
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.
62define checker-shell 62define 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))
73endef 72endef
74 73
75# as-option 74# as-option