152 lines
4.7 KiB
Makefile
152 lines
4.7 KiB
Makefile
# $NetBSD: replace-interpreter.mk,v 1.23 2021/11/09 17:39:42 gutteridge Exp $
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# This file provides common templates for replacing #! interpreters
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# in script files.
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#
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# The following variables may be set by a package:
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#
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# REPLACE_AWK
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# REPLACE_BASH
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# REPLACE_CSH
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# REPLACE_KSH
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# REPLACE_PERL
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# REPLACE_PERL6
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# REPLACE_R
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# REPLACE_SH
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# Lists of filename patterns relative to WRKSRC in which the #!
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# interpreter should be replaced by the pkgsrc one. Any directories
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# that appear in the lists are silenty skipped, assuming that
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# they result from shell globbing expressions.
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#
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# Use REPLACE_SH for shell programs that don't need any
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# special features from bash, and REPLACE_BASH for the
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# others.
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#
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# Note that in all the above cases, you have to add the needed
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# tools manually to USE_TOOLS, since there is no way to detect
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# automatically whether a tool should be a build-time or a
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# run-time dependency.
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#
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# Packages may also add their own interpreter replacements, which should
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# just look like the examples below. For the REPLACE_INTERPRETER
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# variable, all identifiers starting with "sys-" are reserved for the
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# pkgsrc infrastructure. All others may be used freely.
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#
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# Keywords: replace_interpreter interpreter interp hashbang #! shebang
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# Keywords: awk bash csh ksh perl R sh
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######################################################################
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### replace-interpreter (PRIVATE)
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######################################################################
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### replace-interpreter replaces paths to interpreters in scripts with
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### the paths to the pkgsrc-managed interpreters.
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###
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do-configure-pre-hook: replace-interpreter
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REPLACE_INTERPRETER?= # none
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REPLACE_AWK?= # none
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REPLACE_BASH?= # none
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REPLACE_CSH?= # none
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REPLACE_KSH?= # none
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REPLACE_PERL?= # none
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REPLACE_R?= # none
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REPLACE_SH?= # none
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.if !empty(REPLACE_AWK:M*)
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REPLACE_INTERPRETER+= sys-AWK
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REPLACE.sys-AWK.old= .*awk
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REPLACE.sys-AWK.new= ${AWK}
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REPLACE_FILES.sys-AWK= ${REPLACE_AWK}
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.endif
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.if !empty(REPLACE_BASH:M*)
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REPLACE_INTERPRETER+= sys-bash
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REPLACE.sys-bash.old= .*sh
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REPLACE.sys-bash.new= ${BASH}
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REPLACE_FILES.sys-bash= ${REPLACE_BASH}
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.endif
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.if !empty(REPLACE_CSH:M*)
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REPLACE_INTERPRETER+= sys-csh
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REPLACE.sys-csh.old= .*csh
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REPLACE.sys-csh.new= ${CSH}
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REPLACE_FILES.sys-csh= ${REPLACE_CSH}
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.endif
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.if !empty(REPLACE_KSH:M*)
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REPLACE_INTERPRETER+= sys-ksh
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REPLACE.sys-ksh.old= [^[:space:]]*sh
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REPLACE.sys-ksh.new= ${TOOLS_PATH.ksh}
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REPLACE_FILES.sys-ksh= ${REPLACE_KSH}
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.endif
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.if !empty(REPLACE_PERL:M*)
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REPLACE_INTERPRETER+= sys-Perl
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REPLACE.sys-Perl.old= .*perl[^[:space:]]*
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REPLACE.sys-Perl.new= ${PERL5}
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REPLACE_FILES.sys-Perl= ${REPLACE_PERL}
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.endif
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.if !empty(REPLACE_PERL6:M*)
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PERL6?= ${PREFIX}/bin/perl6
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REPLACE_INTERPRETER+= sys-Perl6
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REPLACE.sys-Perl6.old= .*perl6[^[:space:]]*
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REPLACE.sys-Perl6.new= ${PERL6}
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REPLACE_FILES.sys-Perl6=${REPLACE_PERL6}
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.endif
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.if !empty(REPLACE_R:M*)
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REPLACE_INTERPRETER+= sys-R
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REPLACE.sys-R.old= [^[:space:]]*R
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REPLACE.sys-R.new= ${PREFIX}/bin/R
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REPLACE_FILES.sys-R= ${REPLACE_R}
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.endif
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.if !empty(REPLACE_SH:M*)
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REPLACE_INTERPRETER+= sys-sh
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REPLACE.sys-sh.old= [^[:space:]]*sh
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REPLACE.sys-sh.new= ${SH}
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REPLACE_FILES.sys-sh= ${REPLACE_SH}
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.endif
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# sed regexp to match optional "/usr/bin/env" followed by one or more spaces
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REPLACE.optional-env-space= \(/usr/bin/env[[:space:]][[:space:]]*\)\{0,1\}
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.PHONY: replace-interpreter
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replace-interpreter:
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.for _lang_ in ${REPLACE_INTERPRETER}
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. if defined(REPLACE_FILES.${_lang_}) && !empty(REPLACE_FILES.${_lang_}:M*)
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@${STEP_MSG} "Replacing ${_lang_:S/^sys-//} interpreter in "${REPLACE_FILES.${_lang_}:M*:Q}"."
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${RUN} set -u; \
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cd ${WRKSRC}; \
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for f in ${REPLACE_FILES.${_lang_}}; do \
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if [ -f "$$f" ]; then \
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${SED} -e '1s|^#![[:space:]]*${REPLACE.optional-env-space}${REPLACE.${_lang_}.old}|#!${REPLACE.${_lang_}.new}|' \
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< "$${f}" > "$${f}.new"; \
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if [ -x "$${f}" ]; then \
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${CHMOD} a+x "$${f}.new"; \
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fi; \
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if ${CMP} -s "$${f}.new" "$${f}"; then \
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${INFO_MSG} "[replace-interpreter] Nothing changed in $${f}."; \
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${RM} -f "$${f}.new"; \
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else \
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${MV} -f "$${f}.new" "$${f}"; \
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fi; \
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elif [ -d "$$f" ] || [ -h "$$f" ]; then \
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: 'Ignore it, most probably comes from shell globs'; \
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else \
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${WARNING_MSG} "[replace-interpreter] Skipping non-existent file \"$$f\"."; \
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fi; \
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done
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. else
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@${WARNING_MSG} "[replace-interpreter] Empty list of files for ${_lang_}."
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. endif
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.endfor
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_VARGROUPS+= interp
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_PKG_VARS.interp= REPLACE_AWK REPLACE_BASH REPLACE_CSH REPLACE_KSH
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_PKG_VARS.interp+= REPLACE_PERL REPLACE_PERL6 REPLACE_R REPLACE_SH
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_PKG_VARS.interp+= REPLACE_INTERPRETER
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.for interp in ${REPLACE_INTERPRETER}
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_DEF_VARS.interp+= REPLACE.${interp}.old REPLACE.${interp}.new REPLACE_FILES.${interp}
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.endfor
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