xref: /freebsd/contrib/bmake/mk/libs.mk (revision a91a2465)
1# SPDX-License-Identifier: BSD-2-Clause
2#
3# $Id: libs.mk,v 1.7 2024/02/17 17:26:57 sjg Exp $
4#
5#	@(#) Copyright (c) 2006, Simon J. Gerraty
6#
7#	This file is provided in the hope that it will
8#	be of use.  There is absolutely NO WARRANTY.
9#	Permission to copy, redistribute or otherwise
10#	use this file is hereby granted provided that
11#	the above copyright notice and this notice are
12#	left intact.
13#
14#	Please send copies of changes and bug-fixes to:
15#	sjg@crufty.net
16#
17
18.MAIN: all
19
20.if defined(LIBS)
21
22# In meta mode, we can capture dependenices for _one_ of the progs.
23# if makefile doesn't nominate one, we use the first.
24.ifndef UPDATE_DEPENDFILE_LIB
25UPDATE_DEPENDFILE_LIB = ${LIBS:[1]}
26.export UPDATE_DEPENDFILE_LIB
27.endif
28
29.ifndef LIB
30# They may have asked us to build just one
31.for t in ${LIBS:R:T:S,^lib,,}
32.if make(lib$t)
33LIB?= $t
34lib$t: all
35.endif
36.endfor
37.endif
38
39.if defined(LIB)
40# just one of many
41LIB_VARS += \
42	LIBDIR \
43	CFLAGS \
44	COPTS \
45	CPPFLAGS \
46	CXXFLAGS \
47	DPADD \
48	DPLIBS \
49	LDADD \
50	LDFLAGS \
51	MAN \
52	SRCS
53
54.for v in ${LIB_VARS:O:u}
55.if defined(${v}.${LIB}) || defined(${v}_${LIB})
56$v += ${${v}_${LIB}:U${${v}.${LIB}}}
57.endif
58.endfor
59
60# for meta mode, there can be only one!
61.if ${LIB} == ${UPDATE_DEPENDFILE_LIB:Uno}
62UPDATE_DEPENDFILE ?= yes
63.endif
64UPDATE_DEPENDFILE ?= NO
65
66# ensure that we don't clobber each other's dependencies
67DEPENDFILE?= .depend.${LIB}
68# lib.mk will do the rest
69.else
70all: ${LIBS:S,^lib,,:@t@lib$t.a@} .MAKE
71
72# We cannot capture dependencies for meta mode here
73UPDATE_DEPENDFILE = NO
74# nor can we safely run in parallel.
75.NOTPARALLEL:
76.endif
77.endif
78
79# handle being called [bsd.]libs.mk
80.include <${.PARSEFILE:S,libs,lib,}>
81
82.ifndef LIB
83# tell libs.mk we might want to install things
84LIBS_TARGETS+= cleandepend cleandir cleanobj depend install
85
86.for b in ${LIBS:R:T:S,^lib,,}
87lib$b.a: ${SRCS} ${DPADD} ${SRCS_lib$b} ${DPADD_lib$b}
88	(cd ${.CURDIR} && ${.MAKE} -f ${MAKEFILE} LIB=$b -DWITHOUT_META_STATS)
89
90.for t in ${LIBS_TARGETS:O:u}
91$b.$t: .PHONY .MAKE
92	(cd ${.CURDIR} && ${.MAKE} -f ${MAKEFILE} LIB=$b ${@:E} -DWITHOUT_META_STATS)
93.endfor
94.endfor
95
96.if !defined(WITHOUT_META_STATS) && ${.MAKE.LEVEL} > 0
97.END: _reldir_finish
98.ERROR: _reldir_failed
99.endif
100
101.endif
102