1# $FreeBSD$ 2 3# Part of a unified Makefile for building kernels. This part contains all 4# of the definitions that need to be before %BEFORE_DEPEND. 5 6.include <bsd.own.mk> 7.include <bsd.compiler.mk> 8 9# backwards compat option for older systems. 10MACHINE_CPUARCH?=${MACHINE_ARCH:C/mips(n32|64)?(el)?/mips/:C/arm(v6)?(eb)?/arm/:C/powerpc64/powerpc/} 11 12# Can be overridden by makeoptions or /etc/make.conf 13KERNEL_KO?= kernel 14KERNEL?= kernel 15KODIR?= /boot/${KERNEL} 16LDSCRIPT_NAME?= ldscript.$M 17LDSCRIPT?= $S/conf/${LDSCRIPT_NAME} 18 19M= ${MACHINE_CPUARCH} 20 21AWK?= awk 22CP?= cp 23LINT?= lint 24NM?= nm 25OBJCOPY?= objcopy 26SIZE?= size 27 28.if defined(DEBUG) 29_MINUS_O= -O 30CTFFLAGS+= -g 31.else 32.if ${MACHINE_CPUARCH} == "powerpc" 33_MINUS_O= -O # gcc miscompiles some code at -O2 34.else 35_MINUS_O= -O2 36.endif 37.endif 38.if ${MACHINE_CPUARCH} == "amd64" 39.if ${COMPILER_TYPE} != "clang" 40COPTFLAGS?=-O2 -frename-registers -pipe 41.else 42COPTFLAGS?=-O2 -pipe 43.endif 44.else 45COPTFLAGS?=${_MINUS_O} -pipe 46.endif 47.if !empty(COPTFLAGS:M-O[23s]) && empty(COPTFLAGS:M-fno-strict-aliasing) 48COPTFLAGS+= -fno-strict-aliasing 49.endif 50.if !defined(NO_CPU_COPTFLAGS) 51COPTFLAGS+= ${_CPUCFLAGS} 52.endif 53C_DIALECT= -std=c99 54NOSTDINC= -nostdinc 55 56INCLUDES= ${NOSTDINC} ${INCLMAGIC} -I. -I$S 57 58# This hack lets us use the OpenBSD altq code without spamming a new 59# include path into contrib'ed source files. 60INCLUDES+= -I$S/contrib/altq 61 62.if make(depend) || make(kernel-depend) 63 64# ... and the same for ipfilter 65INCLUDES+= -I$S/contrib/ipfilter 66 67# ... and the same for ath 68INCLUDES+= -I$S/dev/ath -I$S/dev/ath/ath_hal -I$S/contrib/dev/ath/ath_hal 69 70# ... and the same for the NgATM stuff 71INCLUDES+= -I$S/contrib/ngatm 72 73# ... and the same for twa 74INCLUDES+= -I$S/dev/twa 75 76# ... and the same for cxgb and cxgbe 77INCLUDES+= -I$S/dev/cxgb -I$S/dev/cxgbe 78 79.endif 80 81CFLAGS= ${COPTFLAGS} ${C_DIALECT} ${DEBUG} ${CWARNFLAGS} 82CFLAGS+= ${INCLUDES} -D_KERNEL -DHAVE_KERNEL_OPTION_HEADERS -include opt_global.h 83CFLAGS_PARAM_INLINE_UNIT_GROWTH?=100 84CFLAGS_PARAM_LARGE_FUNCTION_GROWTH?=1000 85.if ${MACHINE_CPUARCH} == "mips" 86CFLAGS_ARCH_PARAMS?=--param max-inline-insns-single=1000 87.endif 88.if ${COMPILER_TYPE} != "clang" 89CFLAGS+= -fno-common -finline-limit=${INLINE_LIMIT} 90CFLAGS+= --param inline-unit-growth=${CFLAGS_PARAM_INLINE_UNIT_GROWTH} 91CFLAGS+= --param large-function-growth=${CFLAGS_PARAM_LARGE_FUNCTION_GROWTH} 92.if defined(CFLAGS_ARCH_PARAMS) 93CFLAGS+=${CFLAGS_ARCH_PARAMS} 94.endif 95.endif 96WERROR?= -Werror 97 98# XXX LOCORE means "don't declare C stuff" not "for locore.s". 99ASM_CFLAGS= -x assembler-with-cpp -DLOCORE ${CFLAGS} 100 101.if ${COMPILER_TYPE} == "clang" 102CLANG_NO_IAS= -no-integrated-as 103.endif 104 105.if defined(PROFLEVEL) && ${PROFLEVEL} >= 1 106CFLAGS+= -DGPROF 107.if ${COMPILER_TYPE} != "clang" 108CFLAGS+= -falign-functions=16 109.endif 110.if ${PROFLEVEL} >= 2 111CFLAGS+= -DGPROF4 -DGUPROF 112PROF= -pg 113.if ${COMPILER_TYPE} != "clang" 114PROF+= -mprofiler-epilogue 115.endif 116.else 117PROF= -pg 118.endif 119.endif 120DEFINED_PROF= ${PROF} 121 122# Put configuration-specific C flags last (except for ${PROF}) so that they 123# can override the others. 124CFLAGS+= ${CONF_CFLAGS} 125 126# Optional linting. This can be overridden in /etc/make.conf. 127LINTFLAGS= ${LINTOBJKERNFLAGS} 128 129NORMAL_C= ${CC} -c ${CFLAGS} ${WERROR} ${PROF} ${.IMPSRC} 130NORMAL_S= ${CC} -c ${ASM_CFLAGS} ${WERROR} ${.IMPSRC} 131PROFILE_C= ${CC} -c ${CFLAGS} ${WERROR} ${.IMPSRC} 132NORMAL_C_NOWERROR= ${CC} -c ${CFLAGS} ${PROF} ${.IMPSRC} 133 134NORMAL_M= ${AWK} -f $S/tools/makeobjops.awk ${.IMPSRC} -c ; \ 135 ${CC} -c ${CFLAGS} ${WERROR} ${PROF} ${.PREFIX}.c 136 137NORMAL_FW= uudecode -o ${.TARGET} ${.ALLSRC} 138NORMAL_FWO= ${LD} -b binary --no-warn-mismatch -d -warn-common -r \ 139 -o ${.TARGET} ${.ALLSRC:M*.fw} 140 141# Special flags for managing the compat compiles for ZFS 142ZFS_CFLAGS= -DFREEBSD_NAMECACHE -DBUILDING_ZFS -nostdinc -I$S/cddl/compat/opensolaris -I$S/cddl/contrib/opensolaris/uts/common/fs/zfs -I$S/cddl/contrib/opensolaris/uts/common/zmod -I$S/cddl/contrib/opensolaris/uts/common -I$S -I$S/cddl/contrib/opensolaris/common/zfs -I$S/cddl/contrib/opensolaris/common ${CFLAGS} -Wno-unknown-pragmas -Wno-missing-prototypes -Wno-undef -Wno-strict-prototypes -Wno-cast-qual -Wno-parentheses -Wno-redundant-decls -Wno-missing-braces -Wno-uninitialized -Wno-unused -Wno-inline -Wno-switch -Wno-pointer-arith -Wno-unknown-pragmas 143ZFS_CFLAGS+= -include $S/cddl/compat/opensolaris/sys/debug_compat.h 144ZFS_ASM_CFLAGS= -x assembler-with-cpp -DLOCORE ${ZFS_CFLAGS} 145ZFS_C= ${CC} -c ${ZFS_CFLAGS} ${WERROR} ${PROF} ${.IMPSRC} 146ZFS_S= ${CC} -c ${ZFS_ASM_CFLAGS} ${WERROR} ${.IMPSRC} 147 148.if ${MK_CTF} != "no" 149NORMAL_CTFCONVERT= ${CTFCONVERT} ${CTFFLAGS} ${.TARGET} 150.elif ${MAKE_VERSION} >= 5201111300 151NORMAL_CTFCONVERT= 152.else 153NORMAL_CTFCONVERT= @: 154.endif 155 156NORMAL_LINT= ${LINT} ${LINTFLAGS} ${CFLAGS:M-[DIU]*} ${.IMPSRC} 157 158# Infiniband C flags. Correct include paths and omit errors that linux 159# does not honor. 160OFEDINCLUDES= -I$S/ofed/include/ 161OFEDNOERR= -Wno-cast-qual -Wno-pointer-arith -fms-extensions 162OFEDCFLAGS= ${CFLAGS:N-I*} ${OFEDINCLUDES} ${CFLAGS:M-I*} ${OFEDNOERR} 163OFED_C_NOIMP= ${CC} -c -o ${.TARGET} ${OFEDCFLAGS} ${WERROR} ${PROF} 164OFED_C= ${OFED_C_NOIMP} ${.IMPSRC} 165 166GEN_CFILES= $S/$M/$M/genassym.c ${MFILES:T:S/.m$/.c/} 167SYSTEM_CFILES= config.c env.c hints.c vnode_if.c 168SYSTEM_DEP= Makefile ${SYSTEM_OBJS} 169SYSTEM_OBJS= locore.o ${MDOBJS} ${OBJS} 170SYSTEM_OBJS+= ${SYSTEM_CFILES:.c=.o} 171SYSTEM_OBJS+= hack.So 172SYSTEM_LD= @${LD} -Bdynamic -T ${LDSCRIPT} ${LDFLAGS} --no-warn-mismatch \ 173 -warn-common -export-dynamic -dynamic-linker /red/herring \ 174 -o ${.TARGET} -X ${SYSTEM_OBJS} vers.o 175SYSTEM_LD_TAIL= @${OBJCOPY} --strip-symbol gcc2_compiled. ${.TARGET} ; \ 176 ${SIZE} ${.TARGET} ; chmod 755 ${.TARGET} 177SYSTEM_DEP+= ${LDSCRIPT} 178 179# MKMODULESENV is set here so that port makefiles can augment 180# them. 181 182MKMODULESENV+= MAKEOBJDIRPREFIX=${.OBJDIR}/modules KMODDIR=${KODIR} 183MKMODULESENV+= MACHINE_CPUARCH=${MACHINE_CPUARCH} 184.if (${KERN_IDENT} == LINT) 185MKMODULESENV+= ALL_MODULES=LINT 186.endif 187.if defined(MODULES_OVERRIDE) 188MKMODULESENV+= MODULES_OVERRIDE="${MODULES_OVERRIDE}" 189.endif 190.if defined(WITHOUT_MODULES) 191MKMODULESENV+= WITHOUT_MODULES="${WITHOUT_MODULES}" 192.endif 193.if defined(DEBUG) 194MKMODULESENV+= DEBUG_FLAGS="${DEBUG}" 195.endif 196 197# Detect knerel config options that force stack frames to be turned on. 198DDB_ENABLED!= grep DDB opt_ddb.h || true ; echo 199DTR_ENABLED!= grep KDTRACE_FRAME opt_kdtrace.h || true ; echo 200HWPMC_ENABLED!= grep HWPMC opt_hwpmc_hooks.h || true ; echo 201