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# $Id: init.mk,v 1.42 2025/08/09 22:42:24 sjg Exp $
#
# @(#) Copyright (c) 2002-2024, Simon J. Gerraty
#
# SPDX-License-Identifier: BSD-2-Clause
#
# Please send copies of changes and bug-fixes to:
# sjg@crufty.net
#
# should be set properly in sys.mk
_this ?= ${.PARSEFILE:S,bsd.,,}
.if !target(__${_this}__)
__${_this}__: .NOTMAIN
.if ${MAKE_VERSION:U0} > 20100408
_this_mk_dir := ${.PARSEDIR:tA}
.else
_this_mk_dir := ${.PARSEDIR}
.endif
.-include <local.init.mk>
.-include <${.CURDIR:H}/Makefile.inc>
.include <own.mk>
.include <compiler.mk>
# should have been set by sys.mk
CXX_SUFFIXES ?= .cc .cpp .cxx .C
CCM_SUFFIXES ?= .ccm
PCM ?= .pcm
# ${PICO} is used for PIC object files.
PICO ?= .pico
# SRCS which do not end up in OBJS
NO_OBJS_SRCS_SUFFIXES ?= .h ${CCM_SUFFIXES} .sh
OBJS_SRCS_PRE_FILTER += ${NO_OBJS_SRCS_SUFFIXES:@x@N*$x@}
# makefiles that actually *want* .o's in subdirs
# (it can be useful if multiple SRCS have same basename)
# can just set OBJS_SRCS_FILTER =
# we apply this as ${OBJS_SRCS_FILTER:ts:}
OBJS_SRCS_FILTER ?= T
OBJS_SRCS_FILTER += ${OBJS_SRCS_PRE_FILTER}
OBJS_SRCS_FILTER += R
.if defined(PROG_CXX) || ${SRCS:Uno:${CXX_SUFFIXES:S,^,N*,:ts:}} != ${SRCS:Uno:N/}
_CCLINK ?= ${CXX}
.endif
_CCLINK ?= ${CC}
.if !empty(WARNINGS_SET) || !empty(WARNINGS_SET_${MACHINE_ARCH})
.include <warnings.mk>
.endif
# these are applied in order, least specific to most
VAR_QUALIFIER_LIST += \
${TARGET_SPEC_VARS:UMACHINE:@v@${$v}@} \
${COMPILER_TYPE} \
${.TARGET:T:R} \
${.TARGET:T} \
${.IMPSRC:T} \
${VAR_QUALIFIER_XTRA_LIST}
QUALIFIED_VAR_LIST += \
CFLAGS \
COPTS \
CPPFLAGS \
CPUFLAGS \
LDFLAGS \
SRCS \
# a final :U avoids errors if someone uses :=
.for V in ${QUALIFIED_VAR_LIST:O:u:@q@$q $q_LAST@}
.for Q in ${VAR_QUALIFIER_LIST:u}
$V += ${$V_$Q:U${$V.$Q:U}} ${V_$Q_${COMPILER_TYPE}:U${$V.$Q.${COMPILER_TYPE}:U}}
.endfor
.endfor
CC_PG?= -pg
CXX_PG?= ${CC_PG}
CC_PIC?= -DPIC
CXX_PIC?= ${CC_PIC}
PROFFLAGS?= -DGPROF -DPROF
.if ${.MAKE.LEVEL:U1} == 0 && ${MK_DIRDEPS_BUILD:Uno} == "yes"
.if ${RELDIR} == "."
# top-level targets that are ok at level 0
DIRDEPS_BUILD_LEVEL0_TARGETS += clean* destroy*
M_ListToSkip?= O:u:S,^,N,:ts:
.if ${.TARGETS:Uall:${DIRDEPS_BUILD_LEVEL0_TARGETS:${M_ListToSkip}}} != ""
# this tells lib.mk and prog.mk to not actually build anything
_SKIP_BUILD = not building at level 0
.endif
.elif ${.TARGETS:U:Nall} == ""
_SKIP_BUILD = not building at level 0
# first .MAIN is what counts
.MAIN: dirdeps
.endif
.endif
.MAIN: all
.if !defined(.PARSEDIR)
# no-op is the best we can do if not bmake.
.WAIT:
.endif
# allow makefiles to set ONLY_*_LIST and NOT_*_LIST
# to control _SKIP_BUILD
SKIP_BUILD_VAR_LIST += TARGET_SPEC ${TARGET_SPEC_VARS:UMACHINE}
.for v in ${SKIP_BUILD_VAR_LIST}
.if !empty(ONLY_$v_LIST) && ${ONLY_$v_LIST:Uno:M${$v}} == ""
_SKIP_BUILD ?= ${$v} not in ONLY_$v_LIST (${ONLY_$v_LIST})
.if ${MAKE_VERSION} > 20220924
.break
.endif
.elif !empty(NOT_$v_LIST) && ${NOT_$v_LIST:U:M${$v}} != ""
_SKIP_BUILD ?= ${$v} in NOT_$v_LIST (${NOT_$v_LIST})
.if ${MAKE_VERSION} > 20220924
.break
.endif
.endif
.endfor
# define this once for consistency
.if !defined(_SKIP_BUILD)
# beforebuild is a hook for things that must be done early
all: beforebuild .WAIT realbuild
.else
all: .PHONY
.if !empty(_SKIP_BUILD) && ${.MAKEFLAGS:M-V} == ""
.warning Skipping ${RELDIR} ${_SKIP_BUILD}
.endif
.endif
beforebuild:
realbuild:
.endif
|
