a6f0e10b24
* unit-tests/Makefile: disable opt-debug-x-trace on Linux if there
is any chance we have dash as .SHELL
* meta.c: use a variable to hold command line to be filtered
to avoid any side effects from content of command line.
Merge commit '535c59a6a9214436f5d6643775d29808e4b3408d'
114 lines
3.1 KiB
Makefile
114 lines
3.1 KiB
Makefile
# $Id: sys.vars.mk,v 1.9 2022/02/05 19:04:53 sjg Exp $
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#
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# @(#) Copyright (c) 2003-2009, 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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# We use the following paradigm for preventing multiple inclusion.
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# It relies on the fact that conditionals and dependencies are resolved
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# at the time they are read.
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#
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# _this ?= ${.PARSEFILE}
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# .if !target(__${_this}__)
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# __${_this}__: .NOTMAIN
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#
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.if ${MAKE_VERSION:U0} > 20100408
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_this = ${.PARSEDIR:tA}/${.PARSEFILE}
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.else
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_this = ${.PARSEDIR}/${.PARSEFILE}
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.endif
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# if this is an ancient version of bmake
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MAKE_VERSION ?= 0
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.if ${MAKE_VERSION:M*make-*}
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# turn it into what we want - just the date
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MAKE_VERSION := ${MAKE_VERSION:[1]:C,.*-,,}
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.endif
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# some useful modifiers
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# A useful trick for testing multiple :M's against something
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# :L says to use the variable's name as its value - ie. literal
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# got = ${clean* destroy:${M_ListToMatch:S,V,.TARGETS,}}
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M_ListToMatch = L:@m@$${V:M$$m}@
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# match against our initial targets (see above)
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M_L_TARGETS = ${M_ListToMatch:S,V,_TARGETS,}
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# turn a list into a set of :N modifiers
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# NskipFoo = ${Foo:${M_ListToSkip}}
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M_ListToSkip= O:u:S,^,N,:ts:
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# type should be a builtin in any sh since about 1980,
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# but sadly there are exceptions!
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.if ${.MAKE.OS:Unknown:NBSD/OS} == ""
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_type_sh = which
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.endif
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# AUTOCONF := ${autoconf:L:${M_whence}}
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M_type = @x@(${_type_sh:Utype} $$x) 2> /dev/null; echo;@:sh:[0]:N* found*:[@]:C,[()],,g
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M_whence = ${M_type}:M/*:[1]
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# produce similar output to jot(1) or seq(1)
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# eg. ${LIST:[#]:${M_JOT}}
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# would be 1 2 3 4 5 if LIST has 5 words
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# ${9:L:${M_JOT}}
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# would be 1 2 3 4 5 6 7 8 9
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.if ${.MAKE.LEVEL} == 0
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.for x in jot seq
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.if empty(JOT_CMD)
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JOT_CMD := ${$x:L:${M_whence}}
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.endif
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.endfor
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.if !empty(JOT_CMD)
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.export JOT_CMD
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.endif
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.endif
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.if !empty(JOT_CMD)
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M_JOT = [1]:S,^,${JOT_CMD} ,:sh
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.else
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M_JOT = [1]:@x@i=1;while [ $$$$i -le $$x ]; do echo $$$$i; i=$$$$((i + 1)); done;@:sh
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.endif
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# ${LIST:${M_RANGE}} is 1 2 3 4 5 if LIST has 5 words
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.if ${MAKE_VERSION} >= 20170130
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M_RANGE = range
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.else
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M_RANGE = [#]:${M_JOT}
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.endif
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# convert a path to a valid shell variable
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M_P2V = tu:C,[./-],_,g
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# convert path to absolute
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.if ${MAKE_VERSION:U0} > 20100408
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M_tA = tA
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.else
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M_tA = C,.*,('cd' & \&\& 'pwd') 2> /dev/null || echo &,:sh
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.endif
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.if ${MAKE_VERSION:U0} >= 20170130
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# M_cmpv allows comparing dotted versions like 3.1.2
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# ${3.1.2:L:${M_cmpv}} -> 3001002
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# we use big jumps to handle 3 digits per dot:
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# ${123.456.789:L:${M_cmpv}} -> 123456789
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M_cmpv.units = 1 1000 1000000
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M_cmpv = S,., ,g:_:range:@i@+ $${_:[-$$i]} \* $${M_cmpv.units:[$$i]}@:S,^,expr 0 ,1:sh
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.endif
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# absoulte path to what we are reading.
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_PARSEDIR = ${.PARSEDIR:${M_tA}}
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# many projects use MAJOR MINOR PATCH versioning
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# ${OPENSSL:${M_M.M.P_VERSION}} is equivalent to
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# ${OPENSSL_MAJOR_VERSION}.${OPENSSL_MINOR_VERSION}.${OPENSSL_PATCH_VERSION}
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M_M.M.P_VERSION = L:@v@$${MAJOR MINOR PATCH:L:@t@$${$$v_$$t_VERSION:U0}@}@:ts.
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