Makefile.kern.inc revision 1.2
1 # $NetBSD: Makefile.kern.inc,v 1.2 2001/11/16 13:14:10 atatat Exp $ 2 # 3 # This file contains common `MI' targets and definitions and it is included 4 # at the bottom of each `MD' ${MACHINE}/conf/Makefile.${MACHINE}. There are 5 # many `MI' definitions that should end up in here, but they are not yet. 6 # 7 # Each target in this file should be protected with `if !target(target)' 8 # or `if !commands(target)' and each variable should only be conditionally 9 # assigned `VAR ?= VALUE', so that everything can be overriden. 10 # 11 # DEBUG is set to -g if debugging. 12 # PROF is set to -pg if profiling. 13 # 14 # To specify debugging, add the config line: makeoptions DEBUG="-g" 15 # A better way is to specify -g only for a few files. 16 # 17 # makeoptions DEBUGLIST="uvm* trap if_*" 18 # 19 # all ports are expected to include bsd.own.mk for toolchain settings 20 21 ## 22 ## (1) port independent source tree identification 23 ## 24 # source tree is located via $S relative to the compilation directory 25 .ifndef S 26 S!= cd ../../../..; pwd 27 .endif 28 29 ## 30 ## (2) compile settings 31 ## 32 ## CPPFLAGS, CFLAGS, and AFLAGS must be set in the port's Makefile 33 ## 34 INCLUDES?= -I. ${MD_INCLUDES} -I$S/arch -I$S -nostdinc 35 CWARNFLAGS?= -Werror -Wall -Wmissing-prototypes -Wstrict-prototypes \ 36 -Wpointer-arith 37 # XXX Delete -Wuninitialized for now, since the compiler doesn't 38 # XXX always get it right. --thorpej 39 CWARNFLAGS+= -Wno-uninitialized 40 41 .if !defined(HAVE_EGCS) 42 HAVE_EGCS!= ${CC} --version | egrep "^(2\.[89]|egcs)" ; echo 43 .endif 44 .if (${HAVE_EGCS} != "") 45 CWARNFLAGS+= -Wno-main 46 .endif 47 48 # Define a set of xxx_G variables that will add -g to just those 49 # files that match the shell patterns given in ${DEBUGLIST} 50 # 51 .for i in ${DEBUGLIST} 52 .for j in ${CFILES:T:M$i.c} 53 ${j:R}_G?= -g 54 .endfor 55 .endfor 56 57 # compile rules: rules are named ${TYPE}_${SUFFIX} where TYPE is NORMAL or 58 # NOPROF and SUFFIX is the file suffix, capitalized (e.g. C for a .c file). 59 NORMAL_C?= ${CC} ${CFLAGS} ${CPPFLAGS} ${${<:T:R}_G} ${PROF} -c $< 60 NOPROF_C?= ${CC} ${CFLAGS} ${CPPFLAGS} ${${<:T:R}_G} -c $< 61 NORMAL_S?= ${CC} ${AFLAGS} ${CPPFLAGS} -c $< 62 63 ## 64 ## (3) libkern and compat 65 ## 66 ## Set KERN_AS in the port Makefile to "obj" or "library". The 67 ## default is "library", as documented in $S/lib/libkern/Makefile.inc. 68 ## 69 70 ### find out what to use for libkern 71 .include "$S/lib/libkern/Makefile.inc" 72 .ifndef PROF 73 LIBKERN?= ${KERNLIB} 74 .else 75 LIBKERN?= ${KERNLIB_PROF} 76 .endif 77 78 ### find out what to use for libcompat 79 .include "$S/compat/common/Makefile.inc" 80 .ifndef PROF 81 LIBCOMPAT?= ${COMPATLIB} 82 .else 83 LIBCOMPAT?= ${COMPATLIB_PROF} 84 .endif 85 86 ## 87 ## (4) local objects, compile rules, and dependencies 88 ## 89 ## Each port should have a corresponding section with settings for 90 ## MD_CFILES, MD_SFILES, and MD_OBJS, along with build rules for same. 91 ## 92 MI_CFILES=ioconf.c param.c 93 # the need for a MI_SFILES variable is dubitable at best 94 MI_OBJS=${MI_CFILES:S/.c/.o/} 95 96 param.c: $S/conf/param.c 97 rm -f param.c 98 cp $S/conf/param.c . 99 100 param.o: Makefile 101 102 .for _cfile in ${MI_CFILES} 103 ${_cfile:T:R}.o: ${_cfile} 104 ${NORMAL_C} 105 .endfor 106 107 ## 108 ## (5) link settings 109 ## 110 ## TEXTADDR (or LOADADDRESS), LINKFORMAT, and any EXTRA_LINKFLAGS must 111 ## be set in the port's Makefile. The port specific definitions for 112 ## LINKFLAGS_NORMAL and LINKFLAGS_DEBUG will added to the LINKFLAGS 113 ## depending on the value of DEBUG. 114 ## 115 # load lines for config "xxx" will be emitted as: 116 # xxx: ${SYSTEM_DEP} swapxxx.o 117 # ${SYSTEM_LD_HEAD} 118 # ${SYSTEM_LD} swapxxx.o 119 # ${SYSTEM_LD_TAIL} 120 SYSTEM_OBJ?= ${MD_OBJS} ${MI_OBJS} ${OBJS} ${LIBCOMPAT} ${LIBKERN} 121 SYSTEM_DEP?= Makefile ${SYSTEM_OBJ} 122 SYSTEM_LD_HEAD?= @rm -f $@ 123 SYSTEM_LD?= @echo ${LD} ${LINKFLAGS} -o $@ '$${SYSTEM_OBJ}' vers.o; \ 124 ${LD} ${LINKFLAGS} -o $@ ${SYSTEM_OBJ} vers.o 125 SYSTEM_LD_TAIL?= @${SIZE} $@; chmod 755 $@ 126 127 TEXTADDR?= ${LOADADDRESS} # backwards compatibility 128 LINKTEXT?= -Ttext ${TEXTADDR} 129 LINKDATA?= ${DATAADDR:D-Tdata ${DATAADDR}} 130 ENTRYPOINT?= start 131 LINKENTRY?= -e ${ENTRYPOINT} 132 LINKFLAGS?= ${LINKFORMAT} ${LINKTEXT} ${LINKDATA} ${LINKENTRY} \ 133 ${EXTRA_LINKFLAGS} 134 135 LINKFLAGS_DEBUG?= 136 SYSTEM_LD_TAIL_DEBUG?=; \ 137 echo mv -f $@ $@.gdb; mv -f $@ $@.gdb; \ 138 echo ${STRIP} ${STRIPFLAGS} -o $@ $@.gdb; \ 139 ${STRIP} ${STRIPFLAGS} -o $@ $@.gdb 140 LINKFLAGS_NORMAL?= 141 STRIPFLAGS?= -g 142 143 DEBUG?= 144 .if ${DEBUG} == "-g" 145 SYSTEM_LD_TAIL+=${SYSTEM_LD_TAIL_DEBUG} 146 LINKFLAGS+= ${LINKFLAGS_DEBUG} 147 .else 148 LINKFLAGS+= ${LINKFLAGS_NORMAL} 149 .endif 150 151 ## 152 ## (6) port independent targets and dependencies: assym.h, newvers 153 ## 154 .if !target(assym.h) 155 assym.h: $S/kern/genassym.sh ${GENASSYM} 156 sh $S/kern/genassym.sh ${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} \ 157 < ${GENASSYM} > assym.h.tmp && \ 158 mv -f assym.h.tmp assym.h 159 .endif 160 161 .if !target(newvers) 162 newvers: ${SYSTEM_DEP} ${SYSTEM_SWAP_DEP} 163 sh $S/conf/newvers.sh 164 ${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} -c vers.c 165 .endif 166 167 # depend on root or device configuration 168 autoconf.o conf.o: Makefile 169 170 # depend on network or filesystem configuration 171 uipc_proto.o vfs_conf.o: Makefile 172 173 # depend on maxusers and CPU configuration 174 assym.h machdep.o: Makefile 175 176 ## 177 ## (7) misc targets: install, clean(dir), depend(all), lint, links, tags 178 ## 179 ## Any ports that have other stuff to be cleaned up should fill in 180 ## EXTRA_CLEAN. Some ports may want different settings for 181 ## KERNLINTFLAGS, MKDEP_CFLAGS, or MKDEP_AFLAGS. 182 ## 183 .if !target(__CLEANKERNEL) 184 __CLEANKERNEL: .USE 185 @echo "${.TARGET}ing the kernel objects" 186 rm -f eddep *netbsd netbsd.gdb tags *.[io] [a-z]*.s \ 187 [Ee]rrs linterrs makelinks assym.h.tmp assym.h \ 188 ${EXTRA_CLEAN} 189 .endif 190 191 .if !target(__CLEANDEPEND) 192 __CLEANDEPEND: .USE 193 rm -f .depend 194 .endif 195 196 # do not !target these, the kern and compat Makefiles augment them 197 cleandir distclean: __CLEANKERNEL __CLEANDEPEND 198 clean: __CLEANKERNEL 199 depend: .depend 200 201 .if !target(.depend) 202 SRCS?= ${MD_SFILES} ${MD_CFILES} ${MI_CFILES} ${CFILES} ${SFILES} 203 MKDEP?= mkdep 204 MKDEP_AFLAGS?= ${AFLAGS} 205 MKDEP_CFLAGS?= ${CFLAGS} 206 .depend: ${SRCS} assym.h 207 ${MKDEP} ${MKDEP_AFLAGS} ${CPPFLAGS} ${MD_SFILES} ${SFILES} 208 ${MKDEP} -a ${MKDEP_CFLAGS} ${CPPFLAGS} ${MD_CFILES} ${MI_CFILES} \ 209 ${CFILES} 210 sh $S/kern/genassym.sh ${MKDEP} -f assym.dep ${CFLAGS} \ 211 ${CPPFLAGS} < ${GENASSYM} 212 @sed -e 's/.*\.o:.*\.c/assym.h:/' < assym.dep >> .depend 213 @rm -f assym.dep 214 .endif 215 216 .if !target(dependall) 217 dependall: depend all 218 .endif 219 220 .if !target(lint) 221 ALLSFILES?= ${MD_SFILES} ${SFILES} 222 LINTSTUBS?= ${ALLSFILES:T:R:C/^.*$/LintStub_&.c/g} 223 KERNLINTFLAGS?= -hbxncez -Dvolatile= 224 .for _sfile in ${ALLSFILES} 225 LintStub_${_sfile:T:R}.c: ${_sfile} assym.h 226 ${CC} -E -C ${AFLAGS} ${CPPFLAGS} ${_sfile} | \ 227 awk -f $S/kern/genlintstub.awk >${.TARGET} 228 .endfor 229 lint: ${CFILES} ${KERNLINTSTUBS} ${MI_CFILES} ${MD_CFILES} 230 @${LINT} ${KERNLINTFLAGS} ${CPPFLAGS} -UKGDB \ 231 ${CFILES} ${LINTSTUBS} ${MI_CFILES} ${MD_CFILES} | \ 232 grep -v 'static function .* unused' 233 .endif 234 235 .if !target(install) 236 # The install target can be redefined by putting a 237 # install-kernel-${MACHINE_NAME} target into /etc/mk.conf 238 MACHINE_NAME!= uname -n 239 install: install-kernel-${MACHINE_NAME} 240 .if !target(install-kernel-${MACHINE_NAME}}) 241 install-kernel-${MACHINE_NAME}: 242 rm -f /onetbsd 243 ln /netbsd /onetbsd 244 cp netbsd /nnetbsd 245 mv /nnetbsd /netbsd 246 .endif 247 .endif 248 249 .if !target(tags) 250 tags: 251 @echo "see $S/kern/Makefile for tags" 252 .endif 253 254 ## 255 ## the end 256 ## 257
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