Makefile.kern.inc revision 1.45
1 # $NetBSD: Makefile.kern.inc,v 1.45 2003/11/17 09:39:29 lukem 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}. 5 # 6 # Each target in this file should be protected with `if !target(target)' 7 # or `if !commands(target)' and each variable should only be conditionally 8 # assigned `VAR ?= VALUE', so that everything can be overriden. 9 # 10 # DEBUG is set to -g if debugging. 11 # PROF is set to -pg if profiling. 12 # 13 # To specify debugging, add the config line: makeoptions DEBUG="-g" 14 # A better way is to specify -g only for a few files. 15 # 16 # makeoptions DEBUGLIST="uvm* trap if_*" 17 # 18 # all ports are expected to include bsd.own.mk for toolchain settings 19 20 ## 21 ## (0) toolchain settings for things that aren't part of the standard 22 ## toolchain 23 ## 24 HOST_SH?= sh 25 DBSYM?= dbsym 26 MKDEP?= mkdep 27 STRIP?= strip 28 OBJCOPY?= objcopy 29 OBJDUMP?= objdump 30 CSCOPE?= cscope 31 MKID?= mkid 32 .MAKEOVERRIDES+=USETOOLS # make sure proper value is propagated 33 34 ## 35 ## (1) port independent source tree identification 36 ## 37 # source tree is located via $S relative to the compilation directory 38 .ifndef S 39 S!= cd ../../../..; pwd 40 .endif 41 42 ## 43 ## (2) compile settings 44 ## 45 ## CPPFLAGS, CFLAGS, and AFLAGS must be set in the port's Makefile 46 ## 47 INCLUDES?= -I. ${EXTRA_INCLUDES} -I$S/arch -I$S -nostdinc 48 CPPFLAGS+= ${INCLUDES} ${IDENT} ${PARAM} -D_KERNEL -D_KERNEL_OPT 49 DEFCOPTS?= -O2 50 COPTS?= ${DEFCOPTS} 51 DBG= # might contain unwanted -Ofoo 52 DEFWARNINGS?= yes 53 .if (${DEFWARNINGS} == "yes") 54 .if !defined(NOGCCERROR) 55 CWARNFLAGS+= -Werror 56 .endif 57 CWARNFLAGS+= -Wall -Wno-main -Wno-format-zero-length -Wpointer-arith 58 CWARNFLAGS+= -Wmissing-prototypes -Wstrict-prototypes 59 # Add -Wno-sign-compare. -Wsign-compare is included in -Wall as of GCC 3.3, 60 # but our sources aren't up for it yet. 61 CWARNFLAGS+= -Wno-sign-compare 62 .endif 63 64 # Disable unitialized warnings with 2.95 - it gets it wrong way too often 65 _ISGCC295!= ${CC} --version 2>/dev/null | grep 2.95 2>/dev/null || echo 0 66 .if ${_ISGCC295} 67 CWARNFLAGS+= -Wno-uninitialized 68 .endif 69 70 CFLAGS+= ${COPTS.${.IMPSRC:T}} ${CPUFLAGS.${.IMPSRC:T}} 71 CFLAGS+= ${CPPFLAGS.${.IMPSRC:T}} 72 CFLAGS+= ${CPUFLAGS} -ffreestanding ${DEBUG} ${COPTS} ${CWARNFLAGS} 73 AFLAGS+= ${CPUFLAGS} -D_LOCORE 74 75 # Use the per-source COPTS variables to add -g to just those 76 # files that match the shell patterns given in ${DEBUGLIST} 77 # 78 .for i in ${DEBUGLIST} 79 .for j in ${CFILES:T:M$i.c} 80 COPTS.${j}+=-g 81 .endfor 82 .endfor 83 84 # compile rules: rules are named ${TYPE}_${SUFFIX} where TYPE is NORMAL or 85 # NOPROF and SUFFIX is the file suffix, capitalized (e.g. C for a .c file). 86 NORMAL_C?= ${_MKTARGET_COMPILE}; \ 87 ${_MKSHECHO}\ 88 ${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} -c $<; \ 89 ${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} -c $< 90 NOPROF_C?= ${_MKTARGET_COMPILE}; \ 91 ${_MKSHECHO}\ 92 ${CC} ${CFLAGS} ${CPPFLAGS} -c $<; \ 93 ${CC} ${CFLAGS} ${CPPFLAGS} -c $< 94 NORMAL_S?= ${_MKTARGET_COMPILE}; \ 95 ${_MKSHECHO}\ 96 ${CC} ${AFLAGS} ${CPPFLAGS} -c $<; \ 97 ${CC} ${AFLAGS} ${CPPFLAGS} -c $< 98 99 ## 100 ## (3) libkern and compat 101 ## 102 ## Set KERN_AS in the port Makefile to "obj" or "library". The 103 ## default is "library", as documented in $S/lib/libkern/Makefile.inc. 104 ## 105 106 ### find out what to use for libkern 107 .include "$S/lib/libkern/Makefile.inc" 108 .ifndef PROF 109 LIBKERN?= ${KERNLIB} 110 .else 111 LIBKERN?= ${KERNLIB_PROF} 112 .endif 113 114 LIBKERNLN?= ${KERNLIBLN} 115 116 ### find out what to use for libcompat 117 .include "$S/compat/common/Makefile.inc" 118 .ifndef PROF 119 LIBCOMPAT?= ${COMPATLIB} 120 .else 121 LIBCOMPAT?= ${COMPATLIB_PROF} 122 .endif 123 124 LIBCOMPATLN?= ${COMPATLIBLN} 125 126 ## 127 ## (4) local objects, compile rules, and dependencies 128 ## 129 ## Each port should have a corresponding section with settings for 130 ## MD_CFILES, MD_SFILES, and MD_OBJS, along with build rules for same. 131 ## 132 MI_CFILES=devsw.c ioconf.c param.c 133 # the need for a MI_SFILES variable is dubitable at best 134 MI_OBJS=${MI_CFILES:S/.c/.o/} 135 136 param.c: $S/conf/param.c 137 ${_MKTARGET_CREATE} 138 rm -f param.c 139 cp $S/conf/param.c . 140 141 param.o: Makefile 142 143 .for _cfile in ${MI_CFILES} 144 ${_cfile:T:R}.o: ${_cfile} 145 ${NORMAL_C} 146 .endfor 147 148 ## 149 ## (5) link settings 150 ## 151 ## TEXTADDR (or LOADADDRESS), LINKFORMAT, and any EXTRA_LINKFLAGS must 152 ## be set in the port's Makefile. The port specific definitions for 153 ## LINKFLAGS_NORMAL and LINKFLAGS_DEBUG will added to the LINKFLAGS 154 ## depending on the value of DEBUG. 155 ## 156 # load lines for config "xxx" will be emitted as: 157 # xxx: ${SYSTEM_DEP} swapxxx.o 158 # ${SYSTEM_LD_HEAD} 159 # ${SYSTEM_LD} swapxxx.o 160 # ${SYSTEM_LD_TAIL} 161 SYSTEM_OBJ?= ${MD_OBJS} ${MI_OBJS} ${OBJS} ${LIBCOMPAT} ${LIBKERN} 162 SYSTEM_DEP?= Makefile ${SYSTEM_OBJ} .gdbinit 163 SYSTEM_LD_HEAD?=@rm -f $@ 164 SYSTEM_LD?= ${_MKSHMSG} " link ${.TARGET}"; \ 165 ${_MKSHECHO}\ 166 ${LD} ${LINKFLAGS} -o $@ ${SYSTEM_OBJ} ${EXTRA_OBJ} vers.o; \ 167 ${LD} ${LINKFLAGS} -o $@ ${SYSTEM_OBJ} ${EXTRA_OBJ} vers.o 168 SYSTEM_LD_TAIL?=@${SIZE} $@; chmod 755 $@ 169 170 TEXTADDR?= ${LOADADDRESS} # backwards compatibility 171 LINKTEXT?= ${TEXTADDR:C/.+/-Ttext &/} 172 LINKDATA?= ${DATAADDR:C/.+/-Tdata &/} 173 ENTRYPOINT?= start 174 LINKENTRY?= ${ENTRYPOINT:C/.+/-e &/} 175 LINKFLAGS?= ${LINKFORMAT} ${LINKTEXT} ${LINKDATA} ${LINKENTRY} \ 176 ${EXTRA_LINKFLAGS} 177 178 LINKFLAGS_DEBUG?= -X 179 SYSTEM_LD_TAIL_DEBUG?=; \ 180 echo mv -f $@ $@.gdb; mv -f $@ $@.gdb; \ 181 echo ${STRIP} ${STRIPFLAGS} -o $@ $@.gdb; \ 182 ${STRIP} ${STRIPFLAGS} -o $@ $@.gdb 183 LINKFLAGS_NORMAL?= -S 184 STRIPFLAGS?= -g 185 186 DEBUG?= 187 .if ${DEBUG} == "-g" || ${DEBUG} == "-gstabs" || ${DEBUG} == "-gstabs+" 188 SYSTEM_LD_TAIL+=${SYSTEM_LD_TAIL_DEBUG} 189 LINKFLAGS+= ${LINKFLAGS_DEBUG} 190 EXTRA_KERNELS+= ${KERNELS:@.KERNEL.@${.KERNEL.}.gdb@} 191 .elifndef PROF 192 LINKFLAGS+= ${LINKFLAGS_NORMAL} 193 .endif 194 195 SYSTEM_LD_TAIL+=${SYSTEM_LD_TAIL_EXTRA} 196 197 ## 198 ## (6) port independent targets and dependencies: assym.h, vers.o 199 ## 200 .if !target(assym.h) 201 assym.h: $S/kern/genassym.sh ${GENASSYM} ${GENASSYM_EXTRAS} 202 ${_MKTARGET_CREATE} 203 cat ${GENASSYM} ${GENASSYM_EXTRAS} | \ 204 ${HOST_SH} $S/kern/genassym.sh ${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} \ 205 > assym.h.tmp && \ 206 mv -f assym.h.tmp assym.h 207 ${MD_SFILES:C/\.[Ss]/.o/} ${SFILES:C/\.[Ss]/.o/}: assym.h 208 .endif 209 210 .if !target(vers.o) 211 newvers: vers.o 212 vers.o: ${SYSTEM_DEP} ${SYSTEM_SWAP_DEP} $S/conf/newvers.sh $S/conf/osrelease.sh 213 ${_MKMSG_CREATE} vers.c 214 ${HOST_SH} $S/conf/newvers.sh 215 ${_MKTARGET_COMPILE} 216 ${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} -c vers.c 217 .endif 218 219 .if !target(config_time.h) 220 EXTRA_CLEAN+= config_time.h 221 config_time.h: Makefile 222 ${_MKTARGET_CREATE} 223 cp config_time.src config_time.h 224 .endif 225 226 .if defined(MEMORY_DISK_IMAGE) 227 md_root_image.h: ${MEMORY_DISK_IMAGE} 228 ${_MKTARGET_CREATE} 229 ${TOOL_HEXDUMP} -v -e '"\t" 8/1 "0x%02x, " "\n"' ${.ALLSRC} > ${.TARGET} 230 231 # XXX This is only needed when building md_root.o 232 CPPFLAGS+= -DMEMORY_DISK_IMAGE 233 md_root.o: md_root_image.h 234 .endif 235 236 # depend on MEMORY_DISK_IMAGE configuration 237 md_root.o: Makefile 238 239 # depend on root or device configuration 240 autoconf.o conf.o: Makefile 241 242 # depend on network or filesystem configuration 243 uipc_proto.o vfs_conf.o: Makefile 244 245 # depend on maxusers and CPU configuration 246 assym.h machdep.o: Makefile 247 248 ## 249 ## (7) misc targets: install, clean(dir), depend(all), lint, links, tags, 250 ## cscope, mkid 251 ## 252 ## Any ports that have other stuff to be cleaned up should fill in 253 ## EXTRA_CLEAN. Some ports may want different settings for 254 ## KERNLINTFLAGS, MKDEP_CFLAGS, or MKDEP_AFLAGS. 255 ## 256 .if !target(__CLEANKERNEL) 257 __CLEANKERNEL: .USE 258 ${_MKMSG} "${.TARGET}ing the kernel objects" 259 rm -f ${KERNELS} eddep tags *.[io] *.ln [a-z]*.s vers.c \ 260 [Ee]rrs linterrs makelinks assym.h.tmp assym.h \ 261 ${EXTRA_KERNELS} ${EXTRA_CLEAN} 262 .endif 263 264 .if !target(kernelnames) 265 kernelnames: 266 @echo "${KERNELS} ${EXTRA_KERNELS}" 267 .endif 268 269 .if !target(__CLEANDEPEND) 270 __CLEANDEPEND: .USE 271 rm -f .depend 272 .endif 273 274 # do not !target these, the kern and compat Makefiles augment them 275 cleandir distclean: __CLEANKERNEL __CLEANDEPEND 276 clean: __CLEANKERNEL 277 depend: .depend 278 dependall: depend all 279 280 .if !target(.depend) 281 SRCS?= ${MD_SFILES} ${MD_CFILES} ${MI_CFILES} ${CFILES} ${SFILES} 282 MKDEP_AFLAGS?= ${AFLAGS} 283 MKDEP_CFLAGS?= ${CFLAGS} 284 .depend: ${SRCS} assym.h config_time.h 285 ${_MKTARGET_CREATE} 286 ${MKDEP} -- ${MKDEP_AFLAGS} ${CPPFLAGS} ${MD_SFILES} ${SFILES} 287 ${MKDEP} -a -- ${MKDEP_CFLAGS} ${CPPFLAGS} ${MD_CFILES} ${MI_CFILES} \ 288 ${CFILES} 289 cat ${GENASSYM} ${GENASSYM_EXTRAS} | \ 290 ${HOST_SH} $S/kern/genassym.sh ${MKDEP} -f assym.dep -- \ 291 ${CFLAGS} ${CPPFLAGS} 292 @sed -e 's/.*\.o:.*\.c/assym.h:/' < assym.dep >> .depend 293 @rm -f assym.dep 294 .endif 295 296 .if !target(lint) 297 ALLSFILES?= ${MD_SFILES} ${SFILES} 298 LINTSTUBS?= ${ALLSFILES:T:R:C/^.*$/LintStub_&.c/g} 299 KERNLINTFLAGS?= -bcehnxzFS 300 NORMAL_LN?= ${LINT} ${KERNLINTFLAGS} ${CPPFLAGS:M-[IDU]*} -i $< 301 302 _lsrc=${CFILES} ${LINTSTUBS} ${MI_CFILES} ${MD_CFILES} 303 LOBJS?= ${_lsrc:T:S/.c$/.ln/g} ${LIBKERNLN} ${LIBCOMPATLN} 304 305 .for _sfile in ${ALLSFILES} 306 LintStub_${_sfile:T:R}.c: ${_sfile} assym.h 307 ${_MKTARGET_COMPILE} 308 ${CC} -E -C ${AFLAGS} ${CPPFLAGS} ${_sfile} | \ 309 awk -f $S/kern/genlintstub.awk >${.TARGET} 310 .endfor 311 312 .for _cfile in ${CFILES} ${LINTSTUBS} ${MI_CFILES} ${MD_CFILES} 313 ${_cfile:T:R}.ln: ${_cfile} 314 ${_MKTARGET_COMPILE} 315 ${NORMAL_LN} 316 .endfor 317 318 lint: ${LOBJS} 319 ${LINT} ${KERNLINTFLAGS} ${CPPFLAGS:M-[IDU]*} ${LOBJS} 320 .endif 321 322 .if !target(install) 323 # The install target can be redefined by putting a 324 # install-kernel-${MACHINE_NAME} target into /etc/mk.conf 325 MACHINE_NAME!= uname -n 326 install: install-kernel-${MACHINE_NAME} 327 .if !target(install-kernel-${MACHINE_NAME}) 328 install-kernel-${MACHINE_NAME}: 329 rm -f ${DESTDIR}/onetbsd 330 ln ${DESTDIR}/netbsd ${DESTDIR}/onetbsd 331 cp netbsd ${DESTDIR}/nnetbsd 332 mv ${DESTDIR}/nnetbsd ${DESTDIR}/netbsd 333 .endif 334 .endif 335 336 .if !target(tags) 337 tags: 338 @echo "see $S/kern/Makefile for tags" 339 .endif 340 341 EXTRA_CLEAN+= cscope.out 342 .if !target(cscope.out) 343 cscope.out: Makefile depend 344 ${_MKTARGET_CREATE} 345 @echo ${SRCS} `sed 's/[^:]*://;s/^ *//;s/ *\\\\ *$$//;' \ 346 lib/kern/.depend lib/compat/.depend | tr ' ' '\n' | \ 347 sed "s|^../../||" | sort -u` \ 348 | ${CSCOPE} -k -i - -b `echo ${INCLUDES} | sed s/-nostdinc//` 349 # cscope doesn't write cscope.out if it's uptodate, so ensure 350 # make doesn't keep calling cscope when not needed. 351 @touch cscope.out 352 .endif 353 354 .if !target(cscope) 355 cscope: cscope.out 356 @${CSCOPE} -d 357 .endif 358 359 EXTRA_CLEAN+= ID 360 .if !target(mkid) 361 .PHONY: mkid 362 mkid: ID 363 364 ID: Makefile depend 365 ${_MKTARGET_CREATE} 366 @${MKID} `sed 's/[^:]*://;s/^ *//;s/ *\\\\ *$$//;' lib/kern/.depend \ 367 lib/compat/.depend | tr ' ' '\n' | sed "s|^../../||" | sort -u` \ 368 `sed 's/[^:]*://;s/^ *//;s/ *\\\\ *$$//;' .depend | tr ' ' '\n' \ 369 | sort -u` 370 371 .endif 372 373 .include "${S}/gdbscripts/Makefile.inc" 374 375 EXTRA_CLEAN+= .gdbinit 376 .gdbinit: Makefile ${S}/gdbscripts/Makefile.inc 377 ${_MKTARGET_CREATE} 378 rm -f .gdbinit 379 .for __gdbinit in ${SYS_GDBINIT} 380 echo "source ${S}/gdbscripts/${__gdbinit}" >> .gdbinit 381 .endfor 382 .if defined(GDBINIT) && !empty(GDBINIT) 383 .for __gdbinit in ${GDBINIT} 384 echo "source ${__gdbinit}" >> .gdbinit 385 .endfor 386 .endif 387 388 ## 389 ## the end 390 ## 391
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