dpadd.mk revision 300313
1300313Ssjg# $Id: dpadd.mk,v 1.21 2016/05/18 20:54:55 sjg Exp $ 2246149Ssjg# 3246149Ssjg# @(#) Copyright (c) 2004, Simon J. Gerraty 4246149Ssjg# 5246149Ssjg# This file is provided in the hope that it will 6246149Ssjg# be of use. There is absolutely NO WARRANTY. 7246149Ssjg# Permission to copy, redistribute or otherwise 8246149Ssjg# use this file is hereby granted provided that 9246149Ssjg# the above copyright notice and this notice are 10246149Ssjg# left intact. 11246149Ssjg# 12246149Ssjg# Please send copies of changes and bug-fixes to: 13246149Ssjg# sjg@crufty.net 14246149Ssjg# 15246149Ssjg 16246149Ssjg.if !target(__${.PARSEFILE}__) 17246149Ssjg__${.PARSEFILE}__: 18246149Ssjg 19246149Ssjg# sometimes we play games with .CURDIR etc 20246149Ssjg# _* hold the original values of .* 21246149Ssjg_OBJDIR?= ${.OBJDIR} 22246149Ssjg_CURDIR?= ${.CURDIR} 23246149Ssjg 24300313Ssjg.if ${_CURDIR} == ${SRCTOP} 25300313SsjgRELDIR=. 26300313SsjgRELTOP=. 27300313Ssjg.else 28300313SsjgRELDIR?= ${_CURDIR:S,${SRCTOP}/,,} 29300313Ssjg.if ${RELDIR} == ${_CURDIR} 30300313SsjgRELDIR?= ${_OBJDIR:S,${OBJTOP}/,,} 31300313Ssjg.endif 32300313SsjgRELTOP?= ${RELDIR:C,[^/]+,..,g} 33300313Ssjg.endif 34300313SsjgRELOBJTOP?= ${OBJTOP} 35300313SsjgRELSRCTOP?= ${SRCTOP} 36300313Ssjg 37300313Ssjg# we get included just about everywhere so this is handy... 38300313Ssjg# C*DEBUG_XTRA are for defining on cmd line etc 39300313Ssjg# so do not use in makefiles. 40300313Ssjg.ifdef CFLAGS_DEBUG_XTRA 41300313SsjgCFLAGS_LAST += ${CFLAGS_DEBUG_XTRA} 42300313Ssjg.endif 43300313Ssjg.ifdef CXXFLAGS_DEBUG_XTRA 44300313SsjgCXXFLAGS_LAST += ${CXXFLAGS_DEBUG_XTRA} 45300313Ssjg.endif 46300313Ssjg 47300313Ssjg.-include <local.dpadd.mk> 48300313Ssjg 49246149Ssjg# DPLIBS helps us ensure we keep DPADD and LDADD in sync 50246149SsjgDPLIBS+= ${DPLIBS_LAST} 51300313SsjgDPADD+= ${DPLIBS:N-*} 52246149Ssjg.for __lib in ${DPLIBS:T:R} 53300313Ssjg.if "${_lib:M-*}" != "" 54300313SsjgLDADD += ${__lib} 55300313Ssjg.else 56300313SsjgLDADD += ${LDADD_${__lib}:U${__lib:T:R:S/lib/-l/:C/\.so.*//}} 57300313Ssjg.endif 58246149Ssjg.endfor 59246149Ssjg 60246149Ssjg# DPADD can contain things other than libs 61300313Ssjg__dpadd_libs := ${DPADD:M*/lib*} 62246149Ssjg 63246149Ssjg# some libs have dependencies... 64246149Ssjg# DPLIBS_* allows bsd.libnames.mk to flag libs which must be included 65246149Ssjg# in DPADD for a given library. 66300313Ssjg# Gather all such dependencies into __ldadd_all_xtras 67300313Ssjg# dups will be dealt with later. 68300313Ssjg# Note: libfoo_pic uses DPLIBS_libfoo 69300313Ssjg__ldadd_all_xtras= 70300313Ssjg.for __lib in ${__dpadd_libs:@d@${DPLIBS_${d:T:R:S,_pic,,}}@} 71300313Ssjg__ldadd_all_xtras+= ${LDADD_${__lib}:U${__lib:T:R:S/lib/-l/:C/\.so.*//}} 72246149Ssjg.if "${DPADD:M${__lib}}" == "" 73246149SsjgDPADD+= ${__lib} 74246149Ssjg.endif 75246149Ssjg.endfor 76246149Ssjg# Last of all... for libc and libgcc 77246149SsjgDPADD+= ${DPADD_LAST} 78246149Ssjg 79300313Ssjg# de-dupuplicate __ldadd_all_xtras into __ldadd_xtras 80300313Ssjg# in reverse order so that libs end up listed after all that needed them. 81300313Ssjg__ldadd_xtras= 82300313Ssjg.for __lib in ${__ldadd_all_xtras:[-1..1]} 83300313Ssjg.if "${__ldadd_xtras:M${__lib}}" == "" || ${NEED_IMPLICIT_LDADD:tl:Uno} != "no" 84300313Ssjg__ldadd_xtras+= ${__lib} 85300313Ssjg.endif 86300313Ssjg.endfor 87300313Ssjg 88300313Ssjg.if !empty(__ldadd_xtras) 89300313Ssjg# now back to the original order 90300313Ssjg__ldadd_xtras:= ${__ldadd_xtras:[-1..1]} 91300313SsjgLDADD+= ${__ldadd_xtras} 92300313Ssjg.endif 93300313Ssjg 94246149Ssjg# Convert DPADD into -I and -L options and add them to CPPFLAGS and LDADD 95246149Ssjg# For the -I's convert the path to a relative one. For separate objdirs 96246149Ssjg# the DPADD paths will be to the obj tree so we need to subst anyway. 97246149Ssjg 98300313Ssjg# update this 99300313Ssjg__dpadd_libs := ${DPADD:M*/lib*} 100246149Ssjg 101268437Ssjg# Order -L's to search ours first. 102246149Ssjg# Avoids picking up old versions already installed. 103300313Ssjg__dpadd_libdirs := ${__dpadd_libs}:R:H:S/^/-L/g:O:u:N-L} 104246149SsjgLDADD += ${__dpadd_libdirs:M-L${OBJTOP}/*} 105300313SsjgLDADD += ${__dpadd_libdirs:N-L${OBJTOP}/*:N-L${HOST_LIBDIR:U/usr/lib}} 106300313Ssjg.if defined(HOST_LIBDIR) && ${HOST_LIBDIR} != "/usr/lib" 107300313SsjgLDADD+= -L${HOST_LIBDIR} 108246149Ssjg.endif 109246149Ssjg 110246149Ssjg.if !make(dpadd) 111246149Ssjg.ifdef LIB 112246149Ssjg# Each lib is its own src_lib, we want to include it in SRC_LIBS 113246149Ssjg# so that the correct INCLUDES_* will be picked up automatically. 114246149SsjgSRC_LIBS+= ${_OBJDIR}/lib${LIB}.a 115246149Ssjg.endif 116246149Ssjg.endif 117246149Ssjg 118246149Ssjg# 119246149Ssjg# This little bit of magic, assumes that SRC_libfoo will be 120246149Ssjg# set if it cannot be correctly derrived from ${LIBFOO} 121246149Ssjg# Note that SRC_libfoo and INCLUDES_libfoo should be named for the 122268437Ssjg# actual library name not the variable name that might refer to it. 123246149Ssjg# 99% of the time the two are the same, but the DPADD logic 124268437Ssjg# only has the library name available, so stick to that. 125246149Ssjg# 126246149Ssjg 127246149SsjgSRC_LIBS?= 128246149Ssjg__dpadd_libs += ${SRC_LIBS} 129246149SsjgDPMAGIC_LIBS += ${__dpadd_libs} \ 130246149Ssjg ${__dpadd_libs:@d@${DPMAGIC_LIBS_${d:T:R}}@} 131246149Ssjg 132300313Ssjg# we skip this for staged libs 133300313Ssjg.for __lib in ${DPMAGIC_LIBS:O:u:N${STAGE_OBJTOP:Unot}*/lib/*} 134246149Ssjg# 135246149Ssjg# if SRC_libfoo is not set, then we assume that the srcdir corresponding 136246149Ssjg# to where we found the library is correct. 137246149Ssjg# 138246149SsjgSRC_${__lib:T:R} ?= ${__lib:H:S,${OBJTOP},${RELSRCTOP},} 139246149Ssjg# 140246149Ssjg# This is a no-brainer but just to be complete... 141246149Ssjg# 142246149SsjgOBJ_${__lib:T:R} ?= ${__lib:H:S,${OBJTOP},${RELOBJTOP},} 143246149Ssjg# 144246149Ssjg# If INCLUDES_libfoo is not set, then we'll use ${SRC_libfoo}/h if it exists, 145246149Ssjg# else just ${SRC_libfoo}. 146246149Ssjg# 147246149SsjgINCLUDES_${__lib:T:R}?= -I${exists(${SRC_${__lib:T:R}}/h):?${SRC_${__lib:T:R}}/h:${SRC_${__lib:T:R}}} 148246149Ssjg 149246149Ssjg.endfor 150246149Ssjg 151300313Ssjg# even for staged libs we sometimes 152300313Ssjg# need to allow direct -I to avoid cicular dependencies 153300313Ssjg.for __lib in ${DPMAGIC_LIBS:O:u:T:R} 154300313Ssjg.if !empty(SRC_${__lib}) && empty(INCLUDES_${__lib}) 155300313Ssjg# must be a staged lib 156300313Ssjg.if exists(${SRC_${__lib}}/h) 157300313SsjgINCLUDES_${__lib} = -I${SRC_${__lib}}/h 158300313Ssjg.else 159300313SsjgINCLUDES_${__lib} = -I${SRC_${__lib}} 160300313Ssjg.endif 161300313Ssjg.endif 162300313Ssjg.endfor 163300313Ssjg 164300313Ssjg# when linking a shared lib, avoid non pic libs 165300313SsjgSHLDADD+= ${LDADD:N-[lL]*} 166300313Ssjg.for __lib in ${__dpadd_libs:u} 167300313Ssjg.if defined(SHLIB_NAME) && ${LDADD:M-l${__lib:T:R:S,lib,,}} != "" 168300313Ssjg.if ${__lib:T:N*_pic.a:N*.so} == "" || exists(${__lib:R}.so) 169300313SsjgSHLDADD+= -l${__lib:T:R:S,lib,,} 170300313Ssjg.elif exists(${__lib:R}_pic.a) 171300313SsjgSHLDADD+= -l${__lib:T:R:S,lib,,}_pic 172300313Ssjg.else 173300313Ssjg.warning ${RELDIR}.${TARGET_SPEC} needs ${__lib:T:R}_pic.a 174300313SsjgSHLDADD+= -l${__lib:T:R:S,lib,,} 175300313Ssjg.endif 176300313SsjgSHLDADD+= -L${__lib:H} 177300313Ssjg.endif 178300313Ssjg.endfor 179300313Ssjg 180246149Ssjg# Now for the bits we actually need 181246149Ssjg__dpadd_incs= 182246149Ssjg.for __lib in ${__dpadd_libs:u} 183246149Ssjg.if (make(${PROG}_p) || defined(NEED_GPROF)) && exists(${__lib:R}_p.a) 184246149Ssjg__ldadd=-l${__lib:T:R:S,lib,,} 185246149SsjgLDADD := ${LDADD:S,^${__ldadd}$,${__ldadd}_p,g} 186246149Ssjg.endif 187300313Ssjg.endfor 188246149Ssjg 189246149Ssjg# 190246149Ssjg# We take care of duplicate suppression later. 191300313Ssjg# don't apply :T:R too early 192300313Ssjg__dpadd_incs += ${__dpadd_libs:u:@x@${INCLUDES_${x:T:R}}@} 193300313Ssjg__dpadd_incs += ${__dpadd_libs:O:u:@s@${SRC_LIBS_${s:T:R}:U}@:@x@${INCLUDES_${x:T:R}}@} 194246149Ssjg 195300313Ssjg__dpadd_last_incs += ${__dpadd_libs:u:@x@${INCLUDES_LAST_${x:T:R}}@} 196300313Ssjg__dpadd_last_incs += ${__dpadd_libs:O:u:@s@${SRC_LIBS_${s:T:R}:U}@:@x@${INCLUDES_LAST_${x:T:R}}@} 197300313Ssjg 198300313Ssjg.if defined(HOSTPROG) || ${MACHINE} == "host" 199300313Ssjg# we want any -I/usr/* last 200300313Ssjg__dpadd_last_incs := \ 201300313Ssjg ${__dpadd_last_incs:N-I/usr/*} \ 202300313Ssjg ${__dpadd_incs:M-I/usr/*} \ 203300313Ssjg ${__dpadd_last_incs:M-I/usr/*} 204300313Ssjg__dpadd_incs := ${__dpadd_incs:N-I/usr/*} 205300313Ssjg.endif 206300313Ssjg 207246149Ssjg# 208246149Ssjg# eliminate any duplicates - but don't mess with the order 209246149Ssjg# force evaluation now - to avoid giving make a headache 210246149Ssjg# 211246149Ssjg.for t in CFLAGS CXXFLAGS 212246149Ssjg# avoid duplicates 213246149Ssjg__$t_incs:=${$t:M-I*:O:u} 214246149Ssjg.for i in ${__dpadd_incs} 215246149Ssjg.if "${__$t_incs:M$i}" == "" 216246149Ssjg$t+= $i 217246149Ssjg__$t_incs+= $i 218246149Ssjg.endif 219246149Ssjg.endfor 220246149Ssjg.endfor 221246149Ssjg 222300313Ssjg.for t in CFLAGS_LAST CXXFLAGS_LAST 223300313Ssjg# avoid duplicates 224300313Ssjg__$t_incs:=${$t:M-I*:u} 225300313Ssjg.for i in ${__dpadd_last_incs} 226300313Ssjg.if "${__$t_incs:M$i}" == "" 227300313Ssjg$t+= $i 228300313Ssjg__$t_incs+= $i 229300313Ssjg.endif 230300313Ssjg.endfor 231300313Ssjg.endfor 232300313Ssjg 233246149Ssjg# This target is used to gather a list of 234246149Ssjg# dir: ${DPADD} 235246149Ssjg# entries 236246149Ssjg.if make(*dpadd*) 237246149Ssjg.if !target(dpadd) 238246149Ssjgdpadd: .NOTMAIN 239246149Ssjg.if defined(DPADD) && ${DPADD} != "" 240246149Ssjg @echo "${RELDIR}: ${DPADD:S,${OBJTOP}/,,}" 241246149Ssjg.endif 242246149Ssjg.endif 243246149Ssjg.endif 244246149Ssjg 245246149Ssjg.ifdef SRC_PATHADD 246246149Ssjg# We don't want to assume that we need to .PATH every element of 247246149Ssjg# SRC_LIBS, but the Makefile cannot do 248246149Ssjg# .PATH: ${SRC_libfoo} 249246149Ssjg# since the value of SRC_libfoo must be available at the time .PATH: 250246149Ssjg# is read - and we only just worked it out. 251246149Ssjg# Further, they can't wait until after include of {lib,prog}.mk as 252246149Ssjg# the .PATH is needed before then. 253246149Ssjg# So we let the Makefile do 254246149Ssjg# SRC_PATHADD+= ${SRC_libfoo} 255246149Ssjg# and we defer the .PATH: until now so that SRC_libfoo will be available. 256246149Ssjg.PATH: ${SRC_PATHADD} 257246149Ssjg.endif 258246149Ssjg 259300313Ssjg# after all that, if doing -n we don't care 260300313Ssjg.if ${.MAKEFLAGS:Ux:M-n} != "" 261300313SsjgDPADD = 262300313Ssjg.elif ${.MAKE.MODE:Mmeta*} != "" && exists(${.MAKE.DEPENDFILE}) 263300313SsjgDPADD_CLEAR_DPADD ?= yes 264300313Ssjg.if ${DPADD_CLEAR_DPADD} == "yes" 265300313Ssjg# save this 266300313Ssjg__dpadd_libs := ${__dpadd_libs} 267300313Ssjg# we have made what use of it we can of DPADD 268300313SsjgDPADD = 269246149Ssjg.endif 270300313Ssjg.endif 271300313Ssjg 272300313Ssjg.endif 273