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checksyscalls: Fix stand-alone usage 

The usage help in the comments
  - refers to the wrong script name,
  - doesn't mention that $srctree must be set.

Hence correct the script name, and derive the source tree path from the script
path, so we no longer need to rely on $srctree being set by the caller.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Michal Marek <mmarek@suse.cz>
This commit is contained in:
Geert Uytterhoeven 2010-08-25 12:22:40 +02:00 committed by Michal Marek
parent 1121584f5d
commit 6e5f685642
1 changed files with 2 additions and 2 deletions
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4
scripts/checksyscalls.sh
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@ -6,7 +6,7 @@
# and listed below so they are ignored.
#
# Usage:
# syscallchk gcc gcc-options
# checksyscalls.sh gcc gcc-options
#
ignore_list() {
@ -204,5 +204,5 @@ sed -n -e '/^\#define/ s/[^_]*__NR_\([^[:space:]]*\).*/\
\#endif/p' $1
}
(ignore_list && syscall_list ${srctree}/arch/x86/include/asm/unistd_32.h) | \
(ignore_list && syscall_list $(dirname $0)/../arch/x86/include/asm/unistd_32.h) | \
$* -E -x c - > /dev/null