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# $Id: libs.mk,v 1.1.1.1 2020/05/24 05:35:53 nia Exp $
#
# @(#) Copyright (c) 2006, Simon J. Gerraty
#
# This file is provided in the hope that it will
# be of use. There is absolutely NO WARRANTY.
# Permission to copy, redistribute or otherwise
# use this file is hereby granted provided that
# the above copyright notice and this notice are
# left intact.
#
# Please send copies of changes and bug-fixes to:
# sjg@crufty.net
#
.MAIN: all
.if defined(LIBS)
# In meta mode, we can capture dependenices for _one_ of the progs.
# if makefile doesn't nominate one, we use the first.
.ifndef UPDATE_DEPENDFILE_LIB
UPDATE_DEPENDFILE_LIB = ${LIBS:[1]}
.export UPDATE_DEPENDFILE_LIB
.endif
.ifndef LIB
# They may have asked us to build just one
.for t in ${LIBS:R:T:S,^lib,,}
.if make(lib$t)
LIB?= $t
lib$t: all
.endif
.endfor
.endif
.if defined(LIB)
# just one of many
LIB_VARS += \
LIBDIR \
CFLAGS \
COPTS \
CPPFLAGS \
CXXFLAGS \
DPADD \
DPLIBS \
LDADD \
LDFLAGS \
MAN \
SRCS
.for v in ${LIB_VARS:O:u}
.if defined(${v}.${LIB}) || defined(${v}_${LIB})
$v += ${${v}_${LIB}:U${${v}.${LIB}}}
.endif
.endfor
# for meta mode, there can be only one!
.if ${LIB} == ${UPDATE_DEPENDFILE_LIB:Uno}
UPDATE_DEPENDFILE ?= yes
.endif
UPDATE_DEPENDFILE ?= NO
# ensure that we don't clobber each other's dependencies
DEPENDFILE?= .depend.${LIB}
# lib.mk will do the rest
.else
all: ${LIBS:S,^lib,,:@t@lib$t.a@} .MAKE
# We cannot capture dependencies for meta mode here
UPDATE_DEPENDFILE = NO
# nor can we safely run in parallel.
.NOTPARALLEL:
.endif
.endif
# handle being called [bsd.]libs.mk
.include <${.PARSEFILE:S,libs,lib,}>
.ifndef LIB
# tell libs.mk we might want to install things
LIBS_TARGETS+= cleandepend cleandir cleanobj depend install
.for b in ${LIBS:R:T:S,^lib,,}
lib$b.a: ${SRCS} ${DPADD} ${SRCS_lib$b} ${DPADD_lib$b}
(cd ${.CURDIR} && ${.MAKE} -f ${MAKEFILE} LIB=$b)
.for t in ${LIBS_TARGETS:O:u}
$b.$t: .PHONY .MAKE
(cd ${.CURDIR} && ${.MAKE} -f ${MAKEFILE} LIB=$b ${@:E})
.endfor
.endfor
.endif
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