Makefile.landisk revision 1.22 
1#	$OpenBSD: Makefile.landisk,v 1.22 2010/04/27 06:46:26 deraadt Exp $
2
3# For instructions on building kernels consult the config(8) and options(4)
4# manual pages.
5#
6# N.B.: NO DEPENDENCIES ON FOLLOWING FLAGS ARE VISIBLE TO MAKEFILE
7#	IF YOU CHANGE THE DEFINITION OF ANY OF THESE RECOMPILE EVERYTHING
8# DEBUG is set to -g by config if debugging is requested (config -g).
9# PROF is set to -pg by config if profiling is requested (config -p).
10
11.include <bsd.own.mk>
12
13MKDEP?=	mkdep
14STRIP?=	strip
15SIZE?=	size
16
17# source tree is located via $S relative to the compilation directory
18.ifndef	S
19S!=	cd ../../../..; pwd
20.endif
21
22_mach?=		landisk
23_arch?=		sh
24_machdir?=	$S/arch/${_mach}
25_archdir?=	$S/arch/${_arch}
26
27INCLUDES=	-I. -I$S -I$S/arch -nostdinc
28CPPFLAGS=	${INCLUDES} ${IDENT} -D_KERNEL -Dlandisk
29CWARNFLAGS=	-Werror -Wall -Wstrict-prototypes -Wmissing-prototypes \
30		-Wno-uninitialized -Wno-format -Wno-main \
31		-Wstack-larger-than-2047 -Wvariable-decl
32CMACHFLAGS=	-m4-nofpu \
33		-fno-builtin-printf -fno-builtin-log -fno-builtin-main
34.if ${IDENT:M-DNO_PROPOLICE}
35CMACHFLAGS+=	-fno-stack-protector
36.endif
37COPTS?=		-O2
38CFLAGS=		${DEBUG} ${CWARNFLAGS} ${CMACHFLAGS} ${COPTS} ${PIPE}
39AFLAGS=		-x assembler-with-cpp -traditional-cpp -D_LOCORE -Wa,-little
40LINKFLAGS=	-N -Ttext 0x8c002000 -e start --warn-common
41STRIPFLAGS=	-g -X -x
42
43.if ${IDENT:M-DDDB_STRUCT}
44DB_STRUCTINFO=	db_structinfo.h
45.else
46DB_STRUCTINFO=
47.endif
48
49HOSTCC?=	${CC}
50HOSTED_CPPFLAGS=${CPPFLAGS:S/^-nostdinc$//}
51HOSTED_CFLAGS=	${CFLAGS}
52
53# compile rules: rules are named ${TYPE}_${SUFFIX}${CONFIG_DEP}
54# where TYPE is NORMAL, DRIVER, or PROFILE}; SUFFIX is the file suffix,
55# capitalized (e.g. C for a .c file), and CONFIG_DEP is _C if the file
56# is marked as config-dependent.
57
58NORMAL_C_NOP=	${CC} ${CFLAGS} ${CPPFLAGS} -c $<
59NORMAL_C=	${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} -c $<
60NORMAL_C_C=	${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} ${PARAM} -c $<
61
62DRIVER_C=	${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} -c $<
63DRIVER_C_C=	${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} ${PARAM} -c $<
64
65NORMAL_S=	${CC} ${AFLAGS} ${CPPFLAGS} -c $<
66NORMAL_S_C=	${AS}  ${COPTS} ${PARAM} $< -o $@
67
68
69%OBJS
70
71%CFILES
72
73%SFILES
74
75# load lines for config "xxx" will be emitted as:
76# xxx: ${SYSTEM_DEP} swapxxx.o
77#	${SYSTEM_LD_HEAD}
78#	${SYSTEM_LD} swapxxx.o
79#	${SYSTEM_LD_TAIL}
80SYSTEM_OBJ=	locore.o param.o ioconf.o ${OBJS}
81SYSTEM_DEP=	Makefile ${SYSTEM_OBJ}
82SYSTEM_LD_HEAD=	rm -f $@
83SYSTEM_LD=	@echo ${LD} ${LINKFLAGS} -o $@ '$${SYSTEM_OBJ}' vers.o; \
84		${LD} ${LINKFLAGS} -o $@ ${SYSTEM_OBJ} vers.o
85SYSTEM_LD_TAIL=	@${SIZE} $@; chmod 755 $@
86
87DEBUG?=
88.if ${DEBUG} == "-g"
89LINKFLAGS+=	-X
90SYSTEM_LD_TAIL+=; \
91		echo mv $@ $@.gdb; rm -f $@.gdb; mv $@ $@.gdb; \
92		echo ${STRIP} ${STRIPFLAGS} -o $@ $@.gdb; \
93		${STRIP} ${STRIPFLAGS} -o $@ $@.gdb
94.else
95LINKFLAGS+=	-S -x
96.endif
97
98%LOAD
99
100assym.h: $S/kern/genassym.sh Makefile \
101	 ${_archdir}/${_arch}/genassym.cf ${_machdir}/${_mach}/genassym.cf
102	cat ${_archdir}/${_arch}/genassym.cf ${_machdir}/${_mach}/genassym.cf | \
103	    sh $S/kern/genassym.sh ${CC} ${CFLAGS} ${CPPFLAGS} ${PARAM} | \
104	    sort -u > assym.h.tmp && \
105	    mv -f assym.h.tmp assym.h
106
107param.c: $S/conf/param.c
108	rm -f param.c
109	cp $S/conf/param.c .
110
111param.o: param.c Makefile
112	${NORMAL_C_C}
113
114mcount.o: $S/lib/libkern/mcount.c Makefile
115	${NORMAL_C_NOP}
116
117ioconf.o: ioconf.c
118	${NORMAL_C}
119
120vers.o: ${SYSTEM_DEP} ${SYSTEM_SWAP_DEP}
121	sh $S/conf/newvers.sh
122	${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} -c vers.c
123
124clean::
125	rm -f eddep *bsd bsd.gdb tags *.[io] [a-z]*.s \
126	    [Ee]rrs linterrs makelinks assym.h ${DB_STRUCTINFO}
127
128lint:
129	@lint -hbxncez -DGENERIC -Dvolatile= ${CPPFLAGS} -UKGDB ${CFILES} \
130		ioconf.c param.c | \
131		grep -v 'static function .* unused'
132
133tags:
134	@echo "see $S/kern/Makefile for tags"
135
136links:
137	egrep '#if' ${CFILES} | sed -f $S/conf/defines | \
138	  sed -e 's/:.*//' -e 's/\.c/.o/' | sort -u > dontlink
139	echo ${CFILES} | tr -s ' ' '\12' | sed 's/\.c/.o/' | \
140	  sort -u | comm -23 - dontlink | \
141	  sed 's,../.*/\(.*.o\),rm -f \1; ln -s ../GENERIC/\1 \1,' > makelinks
142	sh makelinks && rm -f dontlink
143
144SRCS=	${_machdir}/${_mach}/locore.S \
145	param.c ioconf.c ${CFILES} ${SFILES}
146depend:: .depend
147.depend: ${SRCS} assym.h param.c ${DB_STRUCTINFO}
148	${MKDEP} ${AFLAGS} ${CPPFLAGS} ${_machdir}/${_mach}/locore.S
149	${MKDEP} -a ${CFLAGS} ${CPPFLAGS} param.c ioconf.c ${CFILES}
150.if ${SFILES} != ""
151	${MKDEP} -a ${AFLAGS} ${CPPFLAGS} ${SFILES}
152.endif
153	cat ${_archdir}/${_arch}/genassym.cf ${_machdir}/${_mach}/genassym.cf | \
154	    sh $S/kern/genassym.sh ${MKDEP} -f assym.dep ${CFLAGS} ${CPPFLAGS}
155	@sed -e 's/.*\.o: /assym.h: /' -e 's/\/tmp\/genassym_c.[^ ]*//' \
156	    < assym.dep >> .depend
157	@rm -f assym.dep
158
159db_structinfo.h: $S/ddb/db_structinfo.c $S/ddb/parse_structinfo.awk
160	${CC} ${CFLAGS} ${CPPFLAGS} -gstabs -c $S/ddb/db_structinfo.c
161	objdump -g db_structinfo.o | awk -f $S/ddb/parse_structinfo.awk > $@
162	rm -f db_structinfo.o
163
164locore.o: ${_machdir}/${_mach}/locore.S assym.h
165	${NORMAL_S}
166
167# The install target can be redefined by putting a
168# install-kernel-${MACHINE_NAME} target into /etc/mk.conf
169MACHINE_NAME!=  uname -n
170install: install-kernel-${MACHINE_NAME}
171.if !target(install-kernel-${MACHINE_NAME}})
172install-kernel-${MACHINE_NAME}:
173	rm -f /obsd
174	ln /bsd /obsd
175	cp bsd /nbsd
176	mv /nbsd /bsd
177.endif
178
179%RULES
180