39 lines
1.1 KiB
Makefile
39 lines
1.1 KiB
Makefile
# $NetBSD: help.mk,v 1.10 2007/08/13 05:58:44 rillig Exp $
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#
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# This is the integrated pkgsrc online help system. To query for the
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# meaning of a variable, run "make help TOPIC=VARNAME". All variables from
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# certain pkgsrc Makefile fragments that have inline comments are eligible
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# for querying.
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_HELP_FILES= Makefile
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_HELP_FILES+= mk/*.mk mk/*/*.mk mk/*/*/*.mk
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_HELP_FILES+= mk/defaults/mk.conf
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_HELP_FILES+= lang/perl5/*.mk lang/php/*.mk lang/python/*.mk
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_HELP_FILES+= lang/ruby/*.mk
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_HELP_FILES+= mk/*/*.help
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.if exists(${.PARSEDIR}/../../wip/mk)
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_HELP_FILES+= wip/mk/*.mk
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.endif
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.if defined(VARNAME)
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TOPIC?= ${VARNAME}
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.endif
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.if defined(topic)
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TOPIC?= ${topic}
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.endif
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.PHONY: help
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help:
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.if !defined(TOPIC)
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@${ECHO} "usage: "${MAKE:Q}" help topic=<topic>"
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@${ECHO} ""
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@${ECHO} " <topic> may be a variable name or a make target,"
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@${ECHO} " for example CONFIGURE_DIRS or patch. For convenience,"
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@${ECHO} " you don't need to use uppercase letters when typing"
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@${ECHO} " variable names."
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@${ECHO} ""
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.else
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${RUN} cd ${PKGSRCDIR}; \
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env TOPIC=${TOPIC:Q} ${AWK} -f ${PKGSRCDIR}/mk/help/help.awk ${_HELP_FILES}
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.endif
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