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122 lines
2.8 KiB
Makefile
122 lines
2.8 KiB
Makefile
# SPDX-License-Identifier: BSD-2-Clause
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#
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# $Id: init.mk,v 1.38 2024/04/09 17:18:24 sjg Exp $
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#
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# @(#) Copyright (c) 2002-2024, 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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# should be set properly in sys.mk
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_this ?= ${.PARSEFILE:S,bsd.,,}
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.if !target(__${_this}__)
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__${_this}__: .NOTMAIN
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.if ${MAKE_VERSION:U0} > 20100408
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_this_mk_dir := ${.PARSEDIR:tA}
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.else
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_this_mk_dir := ${.PARSEDIR}
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.endif
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.-include <local.init.mk>
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.-include <${.CURDIR:H}/Makefile.inc>
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.include <own.mk>
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.include <compiler.mk>
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# should have been set by sys.mk
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CXX_SUFFIXES ?= .cc .cpp .cxx .C
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CCM_SUFFIXES ?= .ccm
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PCM ?= .pcm
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# ${PICO} is used for PIC object files.
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PICO ?= .pico
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# SRCS which do not end up in OBJS
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NO_OBJS_SRCS_SUFFIXES ?= .h ${CCM_SUFFIXES} .sh
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OBJS_SRCS_FILTER += ${NO_OBJS_SRCS_SUFFIXES:@x@N*$x@:ts:}
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.if defined(PROG_CXX) || ${SRCS:Uno:${CXX_SUFFIXES:S,^,N*,:ts:}} != ${SRCS:Uno:N/}
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_CCLINK ?= ${CXX}
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.endif
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_CCLINK ?= ${CC}
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.if !empty(WARNINGS_SET) || !empty(WARNINGS_SET_${MACHINE_ARCH})
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.include <warnings.mk>
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.endif
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# these are applied in order, least specific to most
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VAR_QUALIFIER_LIST += \
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${TARGET_SPEC_VARS:UMACHINE:@v@${$v}@} \
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${COMPILER_TYPE} \
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${.TARGET:T:R} \
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${.TARGET:T} \
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${.IMPSRC:T} \
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${VAR_QUALIFIER_XTRA_LIST}
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QUALIFIED_VAR_LIST += \
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CFLAGS \
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COPTS \
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CPPFLAGS \
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CPUFLAGS \
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LDFLAGS \
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SRCS \
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# a final :U avoids errors if someone uses :=
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.for V in ${QUALIFIED_VAR_LIST:O:u:@q@$q $q_LAST@}
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.for Q in ${VAR_QUALIFIER_LIST:u}
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$V += ${$V_$Q:U${$V.$Q:U}} ${V_$Q_${COMPILER_TYPE}:U${$V.$Q.${COMPILER_TYPE}:U}}
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.endfor
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.endfor
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CC_PG?= -pg
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CXX_PG?= ${CC_PG}
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CC_PIC?= -DPIC
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CXX_PIC?= ${CC_PIC}
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PROFFLAGS?= -DGPROF -DPROF
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.if ${.MAKE.LEVEL:U1} == 0 && ${MK_DIRDEPS_BUILD:Uno} == "yes"
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.if ${RELDIR} == "."
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# top-level targets that are ok at level 0
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DIRDEPS_BUILD_LEVEL0_TARGETS += clean* destroy*
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M_ListToSkip?= O:u:S,^,N,:ts:
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.if ${.TARGETS:Uall:${DIRDEPS_BUILD_LEVEL0_TARGETS:${M_ListToSkip}}} != ""
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# this tells lib.mk and prog.mk to not actually build anything
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_SKIP_BUILD = not building at level 0
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.endif
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.elif ${.TARGETS:U:Nall} == ""
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_SKIP_BUILD = not building at level 0
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# first .MAIN is what counts
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.MAIN: dirdeps
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.endif
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.endif
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.MAIN: all
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.if !defined(.PARSEDIR)
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# no-op is the best we can do if not bmake.
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.WAIT:
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.endif
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# define this once for consistency
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.if !defined(_SKIP_BUILD)
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# beforebuild is a hook for things that must be done early
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all: beforebuild .WAIT realbuild
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.else
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all: .PHONY
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.if !empty(_SKIP_BUILD) && ${.MAKEFLAGS:M-V} == ""
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.warning ${_SKIP_BUILD}
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.endif
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.endif
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beforebuild:
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realbuild:
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.endif
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