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parser: quote BISON_MAJOR in case it is empty

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On a test system without bison installed, make setup fails with:

  /bin/sh: 1: bison: not found
  /bin/sh: 1: test: -ge: unexpected operator

Signed-off-by: Zygmunt Krynicki <zygmunt.krynicki@canonical.com>
This commit is contained in:
Zygmunt Krynicki 2024-11-25 13:54:03 +01:00 • committed by Zygmunt Krynicki
parent 2b45586fa9
commit f58fe9cd52
1 changed files with 1 additions and 1 deletions
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2
parser/Makefile
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@ -38,7 +38,7 @@ MANPAGES=apparmor.d.5 apparmor.7 apparmor_parser.8 aa-teardown.8 apparmor_xattrs
# parse.error=verbose supported from 3.0 so just test on that
# TODO move to autoconf
BISON_MAJOR:=$(shell bison --version | awk '/^bison/ { print ($$NF) }' | awk -F. '{print $$1 }')
USE_PARSE_ERROR:=$(shell test ${BISON_MAJOR} -ge 3 && echo true)
USE_PARSE_ERROR:=$(shell test "${BISON_MAJOR}" -ge 3 && echo true)
YACC := bison
YFLAGS := -d