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| author | Ian Campbell <ian.campbell@citrix.com> | 2011-10-03 16:33:29 +0100 |
|---|---|---|
| committer | Ian Campbell <ian.campbell@citrix.com> | 2011-10-03 16:33:29 +0100 |
| commit | 1db9edb835c4045e75f46fbad66408d170616574 (patch) | |
| tree | bdf1fdfc0e525ed0e4a8ecc4e58b6ab3bf621677 | |
| parent | 9ceb2a1deda4da3452bcd0f40ba3edac73d023d8 (diff) | |
| download | xen-1db9edb835c4045e75f46fbad66408d170616574.tar.gz xen-1db9edb835c4045e75f46fbad66408d170616574.tar.bz2 xen-1db9edb835c4045e75f46fbad66408d170616574.zip | |
build: fix grep invocation in cc-options
Currently the build produces lots of
Usage: grep [OPTION]... PATTERN [FILE]...
Try `grep --help' for more information.
This is due to the "grep -- $(2)" in cc-options. It seems that the
default of reading stdin is disabled when using "--". I don't know if
this is a bug in grep or how it is supposed to be but we can work
around it by explicitly passing in "-"
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Committed-by: Keir Fraser <keir@xen.org>
xen-unstable changeset: 23898:3d1664cc9e45
xen-unstable date: Fri Sep 30 21:17:47 2011 +0100
| -rw-r--r-- | Config.mk | 2 |
1 files changed, 1 insertions, 1 deletions
@@ -73,7 +73,7 @@ PYTHON_PREFIX_ARG ?= --prefix="$(PREFIX)" # # Usage: cflags-y += $(call cc-option,$(CC),-march=winchip-c6,-march=i586) cc-option = $(shell if test -z "`echo 'void*p=1;' | \ - $(1) $(2) -S -o /dev/null -xc - 2>&1 | grep -- $(2)`"; \ + $(1) $(2) -S -o /dev/null -xc - 2>&1 | grep -- $(2) -`"; \ then echo "$(2)"; else echo "$(3)"; fi ;) # cc-option-add: Add an option to compilation flags, but only if supported. |