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# $FreeBSD$
#
# handle dependency on the bison port
#
# Feature: bison
# Usage: USES=bison or USES=bison:ARGS
# Valid ARGS: build (default, implicit), run, both, alias, wrappers
#
# 'alias' will automatically create a BINARY_ALIAS to use base
# byacc invoked as bison
# 'wrapper' will automatically create BINARY_WRAPPER to use base
# byacc with a wrapper to mimic a bit more bison
#
# MAINTAINER: portmgr@FreeBSD.org
.if !defined(_INCLUDE_USES_BISON_MK)
_INCLUDE_USES_BISON_MK= yes
_BISON_DEPENDS= bison:devel/bison
.if empty(bison_ARGS)
bison_ARGS= build
.endif
.if ${bison_ARGS} == "build"
BUILD_DEPENDS+= ${_BISON_DEPENDS}
.elif ${bison_ARGS} == "run"
RUN_DEPENDS+= ${_BISON_DEPENDS}
.elif ${bison_ARGS} == "both"
BUILD_DEPENDS+= ${_BISON_DEPENDS}
RUN_DEPENDS+= ${_BISON_DEPENDS}
.elif ${bison_ARGS} == "alias"
BINARY_ALIAS+= bison=byacc
.elif ${bison_ARGS} == "wrapper"
BINARY_WRAPPERS+= bison
.else
IGNORE= USES=bison - invalid args: [${bison_ARGS}] specified
.endif
.endif
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