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| author | Ian Campbell <ian.campbell@citrix.com> | 2011-10-03 16:36:09 +0100 |
|---|---|---|
| committer | Ian Campbell <ian.campbell@citrix.com> | 2011-10-03 16:36:09 +0100 |
| commit | 1b57ef21461c1c76612ce3902d6bd3ea312a8106 (patch) | |
| tree | d73f43d33d2044459b31f22bb0ae0921fc11f8c7 | |
| parent | a9b27ce67ea280375b457c9f759e4cce7ed67aa2 (diff) | |
| download | xen-1b57ef21461c1c76612ce3902d6bd3ea312a8106.tar.gz xen-1b57ef21461c1c76612ce3902d6bd3ea312a8106.tar.bz2 xen-1b57ef21461c1c76612ce3902d6bd3ea312a8106.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 -- $(2)" in cc-options. It seems that the
default of reading stdin is disabled when using "--". I don't know if
this is a bug in grep or how it is supposed to be but we can work
around it by explicitly passing in "-"
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Committed-by: Keir Fraser <keir@xen.org>
xen-unstable changeset: 23898:3d1664cc9e45
xen-unstable date: Fri Sep 30 21:17:47 2011 +0100
| -rw-r--r-- | Config.mk | 2 |
1 files changed, 1 insertions, 1 deletions
@@ -57,7 +57,7 @@ PYTHON_PREFIX_ARG ?= --prefix="$(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. |