share/mk/libs.mk

   1 # $Id: libs.mk,v 1.3 2013/08/02 18:28:48 sjg Exp $
   2 #
   3 #       @(#) Copyright (c) 2006, Simon J. Gerraty
   4 #
   5 #       This file is provided in the hope that it will
   6 #       be of use.  There is absolutely NO WARRANTY.
   7 #       Permission to copy, redistribute or otherwise
   8 #       use this file is hereby granted provided that
   9 #       the above copyright notice and this notice are
  10 #       left intact.
  11 #
  12 #       Please send copies of changes and bug-fixes to:
  13 #       sjg@crufty.net
  14 #
  15
  16 .MAIN: all
  17
  18 .if defined(LIBS)
  19
  20 # In meta mode, we can capture dependenices for _one_ of the progs.
  21 # if makefile doesn't nominate one, we use the first.
  22 .ifndef UPDATE_DEPENDFILE_LIB
  23 UPDATE_DEPENDFILE_LIB = ${LIBS:[1]}
  24 .export UPDATE_DEPENDFILE_LIB
  25 .endif
  26
  27 .ifndef LIB
  28 # They may have asked us to build just one
  29 .for t in ${LIBS:R:T:S,^lib,,}
  30 .if make(lib$t)
  31 LIB?= $t
  32 lib$t: all
  33 .endif
  34 .endfor
  35 .endif
  36
  37 .if defined(LIB)
  38 # just one of many
  39 LIB_VARS += \
  40         LIBDIR \
  41         CFLAGS \
  42         COPTS \
  43         CPPFLAGS \
  44         CXXFLAGS \
  45         DPADD \
  46         DPLIBS \
  47         LDADD \
  48         LDFLAGS \
  49         MAN \
  50         SRCS
  51
  52 .for v in ${LIB_VARS:O:u}
  53 .if defined(${v}.${LIB}) || defined(${v}_${LIB})
  54 $v += ${${v}_${LIB}:U${${v}.${LIB}}}
  55 .endif
  56 .endfor
  57
  58 # for meta mode, there can be only one!
  59 .if ${LIB} == ${UPDATE_DEPENDFILE_LIB:Uno}
  60 UPDATE_DEPENDFILE ?= yes
  61 .endif
  62 UPDATE_DEPENDFILE ?= NO
  63
  64 # ensure that we don't clobber each other's dependencies
  65 DEPENDFILE?= .depend.${LIB}
  66 # lib.mk will do the rest
  67 .else
  68 all: ${LIBS:S,^lib,,:@t@lib$t.a@} .MAKE
  69
  70 # We cannot capture dependencies for meta mode here
  71 UPDATE_DEPENDFILE = NO
  72 # nor can we safely run in parallel.
  73 .NOTPARALLEL:
  74 .endif
  75 .endif
  76
  77 # handle being called [bsd.]libs.mk
  78 .include <${.PARSEFILE:S,libs,lib,}>
  79
  80 .ifndef LIB
  81 # tell libs.mk we might want to install things
  82 LIBS_TARGETS+= cleandepend cleandir cleanobj depend install
  83
  84 .for b in ${LIBS:R:T:S,^lib,,}
  85 lib$b.a: ${SRCS} ${DPADD} ${SRCS_lib$b} ${DPADD_lib$b}
  86         (cd ${.CURDIR} && ${.MAKE} -f ${MAKEFILE} LIB=$b)
  87
  88 .for t in ${LIBS_TARGETS:O:u}
  89 $b.$t: .PHONY .MAKE
  90         (cd ${.CURDIR} && ${.MAKE} -f ${MAKEFILE} LIB=$b ${@:E})
  91 .endfor
  92 .endfor
  93 .endif