1# $FreeBSD: src/share/mk/bsd.dep.mk,v 1.27.2.3 2002/12/23 16:33:37 ru Exp $ 2# 3# The include file <bsd.dep.mk> handles Makefile dependencies. 4# 5# 6# +++ variables +++ 7# 8# CTAGS A tags file generation program [gtags] 9# 10# CTAGSFLAGS Options for ctags(1) [not set] 11# 12# DEPENDFILE dependencies file [.depend] 13# 14# GTAGSFLAGS Options for gtags(1) [-o] 15# 16# HTAGSFLAGS Options for htags(1) [not set] 17# 18# MKDEP Options for ${MKDEPCMD} [not set] 19# 20# MKDEPCC CC to be used in ${MKDEPCMD} script [cc] 21# 22# MKDEPCMD Makefile dependency list program [mkdep] 23# 24# MKDEPINTDEPS Extra internal dependencies for intermediates [not set] 25# 26# SRCS List of source files (c, c++, assembler) 27# 28# 29# +++ targets +++ 30# 31# cleandepend: 32# Remove depend and tags file 33# 34# depend: 35# Make the dependencies for the source files, and store 36# them in the file ${DEPENDFILE}. 37# 38# tags: 39# In "ctags" mode, create a tags file for the source files. 40# In "gtags" mode, create a (GLOBAL) gtags file for the 41# source files. If HTML is defined, htags(1) is also run 42# after gtags(1). 43 44.if !target(__<bsd.init.mk>__) 45.error bsd.dep.mk cannot be included directly. 46.endif 47 48CTAGS?= gtags 49CTAGSFLAGS?= 50GTAGSFLAGS?= -o 51HTAGSFLAGS?= 52 53MKDEPCMD?= mkdep 54MKDEPCC?= ${CC} 55DEPENDFILE?= .depend 56 57# Support better dependencies tracking for both host cc and target cc. 58.if defined(__USE_HOST_CCVER) 59_MKDEPENV= ${NXENV:NPATH=*} 60.else 61_MKDEPENV= CCVER=${CCVER} 62.endif 63 64# Keep `tags' here, before SRCS are mangled below for `depend'. 65.if !target(tags) && defined(SRCS) && !defined(NOTAGS) 66tags: ${SRCS} 67.if ${CTAGS:T} == "ctags" 68 @${CTAGS} ${CTAGSFLAGS} -f /dev/stdout \ 69 ${.ALLSRC:N*.h} | sed "s;${.CURDIR}/;;" > ${.TARGET} 70.elif ${CTAGS:T} == "gtags" 71 @cd ${.CURDIR} && ${CTAGS} ${GTAGSFLAGS} ${.OBJDIR} 72.if defined(HTML) 73 @cd ${.CURDIR} && htags ${HTAGSFLAGS} -d ${.OBJDIR} ${.OBJDIR} 74.endif 75.endif 76.endif 77 78.if defined(SRCS) 79CLEANFILES?= 80 81.for _LSRC in ${SRCS:M*.l:N*/*} 82.for _LC in ${_LSRC:R}.c 83${_LC}: ${_LSRC} 84 ${LEX} -t ${LFLAGS} ${.ALLSRC} > ${.TARGET} 85SRCS:= ${SRCS:S/${_LSRC}/${_LC}/} 86CLEANFILES+= ${_LC} 87.endfor 88.endfor 89 90.for _YSRC in ${SRCS:M*.y:N*/*} 91.for _YC in ${_YSRC:R}.c 92SRCS:= ${SRCS:S/${_YSRC}/${_YC}/} 93CLEANFILES+= ${_YC} 94.if !empty(YFLAGS:M-d) && !empty(SRCS:My.tab.h) 95.ORDER: ${_YC} y.tab.h 96${_YC} y.tab.h: ${_YSRC} 97 ${YACC} ${YFLAGS} ${.ALLSRC} 98 cp y.tab.c ${_YC} 99CLEANFILES+= y.tab.c y.tab.h 100.elif !empty(YFLAGS:M-d) 101.for _YH in ${_YC:S/.c/.h/} 102${_YH}: ${_YC} 103${_YC}: ${_YSRC} 104 ${YACC} ${YFLAGS} -o ${_YC} ${.ALLSRC} 105SRCS+= ${_YH} 106CLEANFILES+= ${_YH} 107.endfor 108.else 109${_YC}: ${_YSRC} 110 ${YACC} ${YFLAGS} -o ${_YC} ${.ALLSRC} 111.endif 112.endfor 113.endfor 114.endif 115 116.if !target(depend) 117.if defined(SRCS) 118depend: beforedepend _dependincs ${DEPENDFILE} afterdepend 119 120# Tell bmake not to look for generated files via .PATH 121.NOPATH: ${DEPENDFILE} 122 123# Different types of sources are compiled with slightly different flags. 124# Split up the sources, and filter out headers and non-applicable flags. 125# Separate flag groups out of the sources and treat them differently. 126# The special "_" group is for all files not in any group. 127__FLAGS= 128__FLAGS_FILES= ${SRCS} 129.for _FG in ${FLAGS_GROUPS} 130.for _FFILE in ${${_FG}_FLAGS_FILES} 131__FLAGS_FILES:= ${__FLAGS_FILES:N${_FFILE}} 132.endfor 133.endfor 134 135_DEPENDFILES= ${FLAGS_GROUPS:S/^/.depend_/g} 136 137${DEPENDFILE}: ${_DEPENDFILES} 138 139# 140# __FLAG_FILES is built from SRCS. That means it will contain 141# also .h files and other files that are not direct sources, but which 142# might be required to even run mkdep. This is important if those are 143# generated as well, like some forwarding headers. 144# 145# We'll have to pass these "sources" on to the other .depend_ file targets, 146# since otherwise they might be run before the generated sources are 147# generated. _ALL_DEPENDS captures all files in SRCS that are not handled 148# by the mkdep calls, i.e. all sources that are not being used directly 149# for the .depend* file. 150# 151_ALL_DEPENDS=${__FLAGS_FILES:N*.[sS]:N*.c:N*.cc:N*.C:N*.cpp:N*.cpp:N*.cxx:N*.m} 152 153.for _FG in _ ${FLAGS_GROUPS} 154.depend${_FG:S/^/_/:N__}: ${${_FG}_FLAGS_FILES} ${_ALL_DEPENDS} 155 -rm -f ${.TARGET} 156 -> ${.TARGET} 157.if ${${_FG}_FLAGS_FILES:M*.[csS]} != "" 158 ${_MKDEPENV} CC=${MKDEPCC} ${MKDEPCMD} -f ${.TARGET} -a ${MKDEP} \ 159 ${${_FG}_FLAGS} \ 160 ${CFLAGS:M--sysroot=*} \ 161 ${CFLAGS:M-nostdinc*} ${CFLAGS:M-[BID]*} \ 162 ${CFLAGS:M-std=*} \ 163 ${.ALLSRC:M*.[csS]} 164.endif 165.if ${${_FG}_FLAGS_FILES:M*.cc} != "" || \ 166 ${${_FG}_FLAGS_FILES:M*.C} != "" || \ 167 ${${_FG}_FLAGS_FILES:M*.cpp} != "" || \ 168 ${${_FG}_FLAGS_FILES:M*.cxx} != "" 169 ${_MKDEPENV} CC=${CXX} ${MKDEPCMD} -f ${.TARGET} -a ${MKDEP} \ 170 ${${_FG}_FLAGS} \ 171 ${CXXFLAGS:M--sysroot=*} \ 172 ${CXXFLAGS:M-nostdinc*} ${CXXFLAGS:M-[BID]*} \ 173 ${CXXFLAGS:M-std=*} \ 174 ${.ALLSRC:M*.cc} ${.ALLSRC:M*.C} ${.ALLSRC:M*.cpp} ${.ALLSRC:M*.cxx} 175.endif 176.if ${${_FG}_FLAGS_FILES:M*.m} != "" 177 ${MKDEPCMD} -f ${.TARGET} -a ${MKDEP} \ 178 ${${_FG}_FLAGS} \ 179 ${OBJCFLAGS:M-nostdinc*} ${OBJCFLAGS:M-[BID]*} \ 180 ${OBJCFLAGS:M-Wno-import*} \ 181 ${.ALLSRC:M*.m} 182.endif 183.if !empty(${_FG:M_}) && !empty(_DEPENDFILES) 184 cat ${_DEPENDFILES} >> ${.TARGET} 185.endif 186.if defined(MKDEPINTDEPS) && !empty(MKDEPINTDEPS) 187. for _ITD in ${MKDEPINTDEPS:O:u} 188 TMP=_depend$$$$; \ 189 sed -e "s,${_ITD:C/^(.*:)(.*)/\1,\2 \1/},g" < ${.TARGET} > $$TMP; \ 190 mv $$TMP ${.TARGET} 191. endfor 192.endif 193.endfor 194 195.if target(_EXTRADEPEND) 196_EXTRADEPEND: .USE 197${DEPENDFILE}: _EXTRADEPEND 198.endif 199 200.else 201depend: beforedepend _dependincs afterdepend 202.endif 203.if !target(beforedepend) 204beforedepend: 205.endif 206.if !target(afterdepend) 207afterdepend: 208.endif 209.endif 210 211.if !target(cleandepend) 212cleandepend: 213.if defined(SRCS) 214.if ${CTAGS:T} == "ctags" 215 rm -f ${DEPENDFILE} ${_DEPENDFILES} tags 216.elif ${CTAGS:T} == "gtags" 217 rm -f ${DEPENDFILE} ${_DEPENDFILES} GPATH GRTAGS GSYMS GTAGS 218.if defined(HTML) 219 rm -rf HTML 220.endif 221.endif 222.endif 223.endif 224 225.if !target(checkdpadd) && (defined(DPADD) || defined(LDADD)) 226checkdpadd: 227.if ${OBJFORMAT} != aout 228 @ldadd=`echo \`for lib in ${DPADD} ; do \ 229 echo $$lib | sed 's;^/usr/lib/lib\(.*\)\.a;-l\1;' ; \ 230 done \`` ; \ 231 ldadd1=`echo ${LDADD}` ; \ 232 if [ "$$ldadd" != "$$ldadd1" ] ; then \ 233 echo ${.CURDIR} ; \ 234 echo "DPADD -> $$ldadd" ; \ 235 echo "LDADD -> $$ldadd1" ; \ 236 fi 237.else 238 @dpadd=`echo \`ld -Bstatic -f ${LDADD}\`` ; \ 239 if [ "$$dpadd" != "${DPADD}" ] ; then \ 240 echo ${.CURDIR} ; \ 241 echo "LDADD -> $$dpadd" ; \ 242 echo "DPADD = ${DPADD}" ; \ 243 fi 244.endif 245.endif 246 247.if defined(INCS) && make(depend) 248_dependincs: buildincludes .WAIT installincludes 249.else 250_dependincs: 251.endif 252 253.ORDER: beforedepend _dependincs ${DEPENDFILE} afterdepend 254