7acd3ed4da
Flex is a tool for generating scanners. A scanner, sometimes called a tokenizer, is a program which recognizes lexical patterns in text. The flex program reads user-specified input files, or its standard input if no file names are given, for a description of a scanner to generate. The description is in the form of pairs of regular expressions and C code, called rules. Flex generates a C source file named, "lex.yy.c", which defines the function yylex(). The file "lex.yy.c" can be compiled and linked to produce an executable. When the executable is run, it analyzes its input for occurrences of text matching the regular expressions for each rule. Whenever it finds a match, it executes the corresponding C code. WWW: http://flex.sourceforge.net/ Note that there's flex 2.5.4 in the base system. This port provides a newer version for programs that require it, textproc/xxdiff for one.
32 lines
786 B
Makefile
32 lines
786 B
Makefile
# New ports collection makefile for: flex
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# Date created: 13 August 2006
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# Whom: Andrew Pantyukhin <infofarmer@FreeBSD.org>
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#
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# $FreeBSD$
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#
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PORTNAME= flex
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PORTVERSION= 2.5.33
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CATEGORIES= textproc
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MASTER_SITES= SF
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MAINTAINER= infofarmer@FreeBSD.org
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COMMENT= Fast lexical analyzer generator
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BUILD_DEPENDS= bison:${PORTSDIR}/devel/bison2 \
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help2man:${PORTSDIR}/misc/help2man \
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gm4:${PORTSDIR}/devel/m4
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USE_BZIP2= yes
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GNU_CONFIGURE= yes
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CONFIGURE_ARGS= --disable-nls
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USE_GMAKE= yes
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MAN1= flex.1
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PLIST_FILES= bin/flex include/FlexLexer.h lib/libfl.a
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post-patch:
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@${REINPLACE_CMD} -e 's/install-info-recursive//g;s/info-recursive//g' \
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-e 's/po //;s/tests//' ${WRKSRC}/Makefile.in
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@${REINPLACE_CMD} -e 's/ install-info-am//' ${WRKSRC}/doc/Makefile.in
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.include <bsd.port.mk>
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