06b9b3e0ad
Quite a lot of churn on style, but lots of
good work refactoring complicated functions
and lots more unit-tests.
Thanks mostly to rillig at NetBSD
Some interesting entries from ChangeLog
o .MAKE.{UID,GID} represent uid and gid running make.
o allow env var MAKE_OBJDIR_CHECK_WRITABLE=no to skip writable
checks in InitObjdir. Explicit .OBJDIR target always allows
read-only directory.
o add more unit tests for META MODE
Merge commit '8e11a9b4250be3c3379c45fa820bff78d99d5946' into main
Change-Id: I464fd4c013067f0915671c1ccc96d2d8090b2b9c
105 lines
2.3 KiB
Bash
105 lines
2.3 KiB
Bash
#!/bin/sh
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# $Id: mkopt.sh,v 1.13 2020/08/19 17:51:53 sjg Exp $
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#
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# @(#) Copyright (c) 2014, 2020, Simon J. Gerraty
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#
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# This file is provided in the hope that it will
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# be of use. There is absolutely NO WARRANTY.
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# Permission to copy, redistribute or otherwise
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# use this file is hereby granted provided that
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# the above copyright notice and this notice are
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# left intact.
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#
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# Please send copies of changes and bug-fixes to:
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# sjg@crufty.net
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#
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# handle WITH[OUT]_* options in a manner compatible with
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# options.mk and bsd.mkopt.mk in recent FreeBSD
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# no need to be included more than once
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_MKOPT_SH=:
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_MKOPT_PREFIX=${_MKOPT_PREFIX:-MK_}
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#
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# _mk_opt default OPT
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#
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# Set MK_$OPT
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#
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# The semantics are simple, if MK_$OPT has no value
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# WITHOUT_$OPT results in MK_$OPT=no
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# otherwise WITH_$OPT results in MK_$OPT=yes.
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# Note WITHOUT_$OPT overrides WITH_$OPT.
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#
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# For backwards compatability reasons we treat WITH_$OPT=no
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# the same as WITHOUT_$OPT.
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#
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_mk_opt() {
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_d=$1
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_mo=${_MKOPT_PREFIX}$2 _wo=WITHOUT_$2 _wi=WITH_$2
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eval "_mov=\$$_mo _wov=\$$_wo _wiv=\$$_wi"
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case "$_wiv" in
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[Nn][Oo]) _wov=no;;
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esac
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_v=${_mov:-${_wov:+no}}
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_v=${_v:-${_wiv:+yes}}
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_v=${_v:-$_d}
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_opt_list="$_opt_list $_mo"
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case "$_v" in
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yes|no) ;; # sane
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0|[NnFf]*) _v=no;; # they mean no
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1|[YyTt]*) _v=yes;; # they mean yes
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*) _v=$_d;; # ignore bogus value
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esac
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eval "$_mo=$_v"
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}
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#
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# _mk_opts default opt ... [default [opt] ...]
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#
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# see _mk_opts_defaults for example
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#
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_mk_opts() {
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_d=no
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for _o in "$@"
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do
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case "$_o" in
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*/*) # option is dirname default comes from basename
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eval "_d=\$${_MKOPT_PREFIX}${_o#*/}"
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_o=${_o%/*}
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;;
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yes|no) _d=$_o; continue;;
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esac
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_mk_opt $_d $_o
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done
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}
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# handle either options.mk style OPTIONS_DEFAULT_*
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# or FreeBSD's new bsd.mkopt.mk style __DEFAULT_*_OPTIONS
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_mk_opts_defaults() {
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_mk_opts no $OPTIONS_DEFAULT_NO $__DEFAULT_NO_OPTIONS \
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yes $OPTIONS_DEFAULT_YES $__DEFAULT_YES_OPTIONS \
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$OPTIONS_DEFAULT_DEPENDENT $__DEFAULT_DEPENDENT_OPTIONS
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}
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case "/$0" in
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*/mkopt*)
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_list=no
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while :
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do
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case "$1" in
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*=*) eval "$1"; shift;;
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--no|no) _list="$_list no"; shift;;
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--yes|yes) _list="$_list yes"; shift;;
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-DWITH*) eval "${1#-D}=1"; shift;;
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[A-Z]*) _list="$_list $1"; shift;;
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*) break;;
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esac
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done
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_mk_opts $_list
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;;
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esac
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