41 lines
1.2 KiB
Makefile
41 lines
1.2 KiB
Makefile
# $NetBSD: help.mk,v 1.7 2007/03/09 01:34:50 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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.if !defined(_PKGSRC_HELP_MK)
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_PKGSRC_HELP_MK= # defined
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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 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?= ${topic}
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.endif
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.PHONY: help
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help:
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.if !defined(TOPIC)
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@${PRINTF} "usage: %s help topic=<topic>\\n" ${MAKE:Q}
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@${PRINTF} "\\n"
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@${PRINTF} "\\t<topic> may be a variable name or a make target,\\n"
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@${PRINTF} "\\tfor example CONFIGURE_DIRS or patch. For convenience,\\n"
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@${PRINTF} "\\tyou don't need to use uppercase letters when typing\\n"
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@${PRINTF} "\\tvariable names.\\n"
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@${PRINTF} "\\n"
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.else
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${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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.endif
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