3 # Part of a unified Makefile for building kernels. This part contains all
4 # of the definitions that need to be before %BEFORE_DEPEND.
8 # backwards compat option for older systems.
9 MACHINE_CPUARCH?=${MACHINE_ARCH:C/mipse[lb]/mips/:C/armeb/arm/:C/powerpc64/powerpc/}
11 # Can be overridden by makeoptions or /etc/make.conf
14 KODIR?= /boot/${KERNEL}
15 LDSCRIPT_NAME?= ldscript.$M
16 LDSCRIPT?= $S/conf/${LDSCRIPT_NAME}
30 .if ${MACHINE_CPUARCH} == "powerpc"
31 _MINUS_O= -O # gcc miscompiles some code at -O2
36 .if ${MACHINE_CPUARCH} == "amd64"
37 .if ${MK_CLANG_IS_CC} == "no" && ${CC:T:Mclang} != "clang"
38 COPTFLAGS?=-O2 -frename-registers -pipe
43 COPTFLAGS?=${_MINUS_O} -pipe
45 .if !empty(COPTFLAGS:M-O[23s]) && empty(COPTFLAGS:M-fno-strict-aliasing)
46 COPTFLAGS+= -fno-strict-aliasing
48 .if !defined(NO_CPU_COPTFLAGS)
49 COPTFLAGS+= ${_CPUCFLAGS}
54 INCLUDES= ${NOSTDINC} ${INCLMAGIC} -I. -I$S
56 # This hack lets us use the OpenBSD altq code without spamming a new
57 # include path into contrib'ed source files.
58 INCLUDES+= -I$S/contrib/altq
60 .if make(depend) || make(kernel-depend)
62 # ... and the same for ipfilter
63 INCLUDES+= -I$S/contrib/ipfilter
65 # ... and the same for pf
66 INCLUDES+= -I$S/contrib/pf
68 # ... and the same for ath
69 INCLUDES+= -I$S/dev/ath -I$S/dev/ath/ath_hal
71 # ... and the same for the NgATM stuff
72 INCLUDES+= -I$S/contrib/ngatm
74 # ... and the same for twa
75 INCLUDES+= -I$S/dev/twa
77 # ... and the same for XFS
78 INCLUDES+= -I$S/gnu/fs/xfs/FreeBSD -I$S/gnu/fs/xfs/FreeBSD/support -I$S/gnu/fs/xfs
80 # ... and the same for cxgb and cxgbe
81 INCLUDES+= -I$S/dev/cxgb -I$S/dev/cxgbe
85 CFLAGS= ${COPTFLAGS} ${C_DIALECT} ${DEBUG} ${CWARNFLAGS}
86 CFLAGS+= ${INCLUDES} -D_KERNEL -DHAVE_KERNEL_OPTION_HEADERS -include opt_global.h
87 .if ${MK_CLANG_IS_CC} == "no" && ${CC:T:Mclang} != "clang"
88 CFLAGS+= -fno-common -finline-limit=${INLINE_LIMIT}
89 .if ${MACHINE_CPUARCH} != "mips"
90 CFLAGS+= --param inline-unit-growth=100
91 CFLAGS+= --param large-function-growth=1000
93 # XXX Actually a gross hack just for Octeon because of the Simple Executive.
94 CFLAGS+= --param inline-unit-growth=10000
95 CFLAGS+= --param large-function-growth=100000
96 CFLAGS+= --param max-inline-insns-single=10000
101 # XXX LOCORE means "don't declare C stuff" not "for locore.s".
102 ASM_CFLAGS= -x assembler-with-cpp -DLOCORE ${CFLAGS}
104 .if ${MK_CLANG_IS_CC} != "no" || ${CC:T:Mclang} == "clang"
105 CLANG_NO_IAS= -no-integrated-as
108 .if defined(PROFLEVEL) && ${PROFLEVEL} >= 1
109 CFLAGS+= -DGPROF -falign-functions=16
110 .if ${PROFLEVEL} >= 2
111 CFLAGS+= -DGPROF4 -DGUPROF
112 PROF= -pg -mprofiler-epilogue
117 DEFINED_PROF= ${PROF}
119 # Put configuration-specific C flags last (except for ${PROF}) so that they
120 # can override the others.
121 CFLAGS+= ${CONF_CFLAGS}
123 # Optional linting. This can be overridden in /etc/make.conf.
124 LINTFLAGS= ${LINTOBJKERNFLAGS}
126 NORMAL_C= ${CC} -c ${CFLAGS} ${WERROR} ${PROF} ${.IMPSRC}
127 NORMAL_S= ${CC} -c ${ASM_CFLAGS} ${WERROR} ${.IMPSRC}
128 PROFILE_C= ${CC} -c ${CFLAGS} ${WERROR} ${.IMPSRC}
129 NORMAL_C_NOWERROR= ${CC} -c ${CFLAGS} ${PROF} ${.IMPSRC}
131 NORMAL_M= ${AWK} -f $S/tools/makeobjops.awk ${.IMPSRC} -c ; \
132 ${CC} -c ${CFLAGS} ${WERROR} ${PROF} ${.PREFIX}.c
134 NORMAL_CTFCONVERT= [ -z "${CTFCONVERT}" -o -n "${NO_CTF}" ] || \
135 ${CTFCONVERT} ${CTFFLAGS} ${.TARGET}
137 NORMAL_LINT= ${LINT} ${LINTFLAGS} ${CFLAGS:M-[DIU]*} ${.IMPSRC}
139 # Infiniband C flags. Correct include paths and omit errors that linux
141 OFEDINCLUDES= -I$S/ofed/include/
142 OFEDNOERR= -Wno-cast-qual -Wno-pointer-arith -fms-extensions
143 OFEDCFLAGS= ${CFLAGS:N-I*} ${OFEDINCLUDES} ${CFLAGS:M-I*} ${OFEDNOERR}
144 OFED_C_NOIMP= ${CC} -c -o ${.TARGET} ${OFEDCFLAGS} ${WERROR} ${PROF}
145 OFED_C= ${OFED_C_NOIMP} ${.IMPSRC}
147 GEN_CFILES= $S/$M/$M/genassym.c ${MFILES:T:S/.m$/.c/}
148 SYSTEM_CFILES= config.c env.c hints.c vnode_if.c
149 SYSTEM_DEP= Makefile ${SYSTEM_OBJS}
150 SYSTEM_OBJS= locore.o ${MDOBJS} ${OBJS}
151 SYSTEM_OBJS+= ${SYSTEM_CFILES:.c=.o}
152 SYSTEM_OBJS+= hack.So
153 SYSTEM_CTFMERGE= [ -z "${CTFMERGE}" -o -n "${NO_CTF}" ] || ${CTFMERGE} ${CTFFLAGS} -o ${.TARGET} ${SYSTEM_OBJS} vers.o
154 SYSTEM_LD= @${LD} -Bdynamic -T ${LDSCRIPT} \
155 -warn-common -export-dynamic -dynamic-linker /red/herring \
156 -o ${.TARGET} -X ${SYSTEM_OBJS} vers.o
157 SYSTEM_LD_TAIL= @${OBJCOPY} --strip-symbol gcc2_compiled. ${.TARGET} ; \
158 ${SIZE} ${.TARGET} ; chmod 755 ${.TARGET}
159 SYSTEM_DEP+= ${LDSCRIPT}
161 # MKMODULESENV is set here so that port makefiles can augment
164 MKMODULESENV+= MAKEOBJDIRPREFIX=${.OBJDIR}/modules KMODDIR=${KODIR}
165 MKMODULESENV+= MACHINE_CPUARCH=${MACHINE_CPUARCH}
166 .if (${KERN_IDENT} == LINT)
167 MKMODULESENV+= ALL_MODULES=LINT
169 .if defined(MODULES_OVERRIDE)
170 MKMODULESENV+= MODULES_OVERRIDE="${MODULES_OVERRIDE}"
172 .if defined(WITHOUT_MODULES)
173 MKMODULESENV+= WITHOUT_MODULES="${WITHOUT_MODULES}"
176 MKMODULESENV+= DEBUG_FLAGS="${DEBUG}"