xref: /dragonfly/sys/conf/kern.pre.mk (revision 9ddb8543)
1# $DragonFly: src/sys/conf/kern.pre.mk,v 1.8 2008/11/17 11:55:19 swildner Exp $
2#
3# This Makefile covers the top part of the MI kernel build instructions
4#
5
6# Can be overridden by makeoptions or /etc/make.conf
7KERNEL?=	kernel
8
9# build this target if none is specified on the command line
10.MAIN:	all
11
12# Set the platform and machine architectures
13#
14P=	${MACHINE_PLATFORM}
15M=	${MACHINE_ARCH}
16
17SIZE?=		size
18OBJCOPY?=	objcopy
19
20COPTFLAGS?=-O -pipe
21.if !defined(NO_CPU_COPTFLAGS)
22COPTFLAGS+= ${_CPUCFLAGS}
23.endif
24# don't use -I- so we can use proper source-relative locality for local
25# includes.
26#
27# -I.  - this is to access the opt_*.h and use_*.h header files generated
28#	 in the kernel build directory.
29#
30# -Iinclude
31#	- this is used to access forwarding header files for
32#	  <machine/*.h> that exist in the cpu architecture but do not
33#	  exist in the platform (machine/) architecture.  This allows
34#	  the platform to trivially override the cpu header files.
35#
36INCLUDES= -nostdinc -I. -Iinclude -I$S
37# This hack is to allow kernel compiles to succeed on machines w/out srcdist
38.if exists($S/../include)
39INCLUDES+= -I$S/../include
40.else
41INCLUDES+= -I/usr/include
42.endif
43
44# This hack lets us use the Intel ACPICA code without spamming a new
45# include path into 100+ source files.
46.include "$S/conf/acpi.mk"
47INCLUDES+= -I${.OBJDIR} -I"$S/${OSACPI_MI_DIR}" -I"$S/${ACPICA_DIR}/include"
48
49# This hack lets us use the ipfilter code without spamming a new
50# include path into 100+ source files.
51INCLUDES+= -I$S/contrib/ipfilter
52
53# ... and the same for Atheros HAL
54INCLUDES+= -I$S/dev/netif/ath/hal -I$S/dev/netif/ath/hal/ath_hal
55
56COPTS=	${INCLUDES} ${IDENT} -D_KERNEL -include opt_global.h
57CFLAGS=	${COPTFLAGS} ${CWARNFLAGS} ${DEBUG} ${COPTS}
58
59# XXX LOCORE means "don't declare C stuff" not "for locore.s".
60ASM_CFLAGS= -x assembler-with-cpp -DLOCORE ${CFLAGS}
61
62DEFINED_PROF=	${PROF}
63.if defined(PROF)
64CFLAGS+=	-falign-functions=16
65.if ${PROFLEVEL} >= 2
66IDENT+=	-DGPROF4 -DGUPROF
67PROF+=	-mprofiler-epilogue
68.endif
69.endif
70
71# Put configuration-specific C flags last (except for ${PROF}) so that they
72# can override the others.
73CFLAGS+=	${CONF_CFLAGS}
74
75NORMAL_C= ${CC} -c ${CFLAGS} ${PROF} ${.IMPSRC}
76NORMAL_C_C= ${CC} -c ${CFLAGS} ${PROF} ${.IMPSRC}
77NORMAL_S= ${CC} -c ${ASM_CFLAGS} ${.IMPSRC}
78PROFILE_C= ${CC} -c ${CFLAGS} ${.IMPSRC}
79
80NORMAL_M= awk -f $S/tools/makeobjops.awk -- -c $<; \
81	${CC} -c ${CFLAGS} ${PROF} ${.PREFIX}.c
82
83GEN_CFILES= $S/platform/$P/$M/genassym.c
84SYSTEM_CFILES= ioconf.c config.c
85SYSTEM_SFILES= $S/platform/$P/$M/locore.s
86SYSTEM_DEP= Makefile ${SYSTEM_OBJS}
87SYSTEM_OBJS= locore.o ${OBJS} ioconf.o config.o hack.So
88SYSTEM_LD= @${LD} -Bdynamic -T $S/platform/$P/conf/ldscript.$M \
89	-export-dynamic -dynamic-linker /red/herring \
90	-o ${.TARGET} -X ${SYSTEM_OBJS} vers.o
91SYSTEM_LD_TAIL= @${OBJCOPY} --strip-symbol gcc2_compiled. ${.TARGET} ; \
92	${SIZE} ${.TARGET} ; chmod 755 ${.TARGET}
93SYSTEM_DEP+= $S/platform/$P/conf/ldscript.$M
94
95# Normalize output files to make it absolutely crystal clear to
96# anyone examining the build directory.
97#
98.if defined(DEBUG)
99FULLKERNEL=	${KERNEL}.debug
100.if defined(INSTALLSTRIPPED)
101SELECTEDKERNEL= ${KERNEL}.stripped
102.else
103SELECTEDKERNEL= ${KERNEL}.debug
104.endif
105.else
106FULLKERNEL=	${KERNEL}.nodebug
107SELECTEDKERNEL= ${KERNEL}.stripped
108.endif
109
110
111MKMODULESENV=	MAKEOBJDIRPREFIX=${.OBJDIR} BUILDING_WITH_KERNEL=${.OBJDIR}
112.if defined(MODULES_OVERRIDE)
113MKMODULESENV+=	MODULES_OVERRIDE="${MODULES_OVERRIDE}"
114.endif
115.if defined(DEBUG)
116MKMODULESENV+=	DEBUG="${DEBUG}" DEBUG_FLAGS="${DEBUG}"
117.endif
118.if defined(INSTALLSTRIPPED) || defined(INSTALLSTRIPPEDMODULES)
119MKMODULESENV+=	INSTALLSTRIPPEDMODULES=1
120.endif
121MKMODULESENV+=  MACHINE_ARCH=${MACHINE_ARCH} MACHINE=${MACHINE} MACHINE_PLATFORM=${MACHINE_PLATFORM}
122
123