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 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 83.if ${COMPILER_TYPE} != "clang" 84CFLAGS+= -fno-common -finline-limit=${INLINE_LIMIT} 85.if ${MACHINE_CPUARCH} != "mips" 86CFLAGS+= --param inline-unit-growth=100 87CFLAGS+= --param large-function-growth=1000 88.else 89# XXX Actually a gross hack just for Octeon because of the Simple Executive. 90CFLAGS+= --param inline-unit-growth=10000 91CFLAGS+= --param large-function-growth=100000 92CFLAGS+= --param max-inline-insns-single=10000 93.endif 94.endif 95WERROR?= -Werror 96 97# XXX LOCORE means "don't declare C stuff" not "for locore.s". 98ASM_CFLAGS= -x assembler-with-cpp -DLOCORE ${CFLAGS} 99 100.if ${COMPILER_TYPE} == "clang" 101CLANG_NO_IAS= -no-integrated-as 102.endif 103 104.if defined(PROFLEVEL) && ${PROFLEVEL} >= 1 105CFLAGS+= -DGPROF -falign-functions=16 106.if ${PROFLEVEL} >= 2 107CFLAGS+= -DGPROF4 -DGUPROF 108PROF= -pg -mprofiler-epilogue 109.else 110PROF= -pg 111.endif 112.endif 113DEFINED_PROF= ${PROF} 114 115# Put configuration-specific C flags last (except for ${PROF}) so that they 116# can override the others. 117CFLAGS+= ${CONF_CFLAGS} 118 119# Optional linting. This can be overridden in /etc/make.conf. 120LINTFLAGS= ${LINTOBJKERNFLAGS} 121 122NORMAL_C= ${CC} -c ${CFLAGS} ${WERROR} ${PROF} ${.IMPSRC} 123NORMAL_S= ${CC} -c ${ASM_CFLAGS} ${WERROR} ${.IMPSRC} 124PROFILE_C= ${CC} -c ${CFLAGS} ${WERROR} ${.IMPSRC} 125NORMAL_C_NOWERROR= ${CC} -c ${CFLAGS} ${PROF} ${.IMPSRC} 126 127NORMAL_M= ${AWK} -f $S/tools/makeobjops.awk ${.IMPSRC} -c ; \ 128 ${CC} -c ${CFLAGS} ${WERROR} ${PROF} ${.PREFIX}.c 129 130NORMAL_FW= uudecode -o ${.TARGET} ${.ALLSRC} 131NORMAL_FWO= ${LD} -b binary --no-warn-mismatch -d -warn-common -r \ 132 -o ${.TARGET} ${.ALLSRC:M*.fw} 133 134# Special flags for managing the compat compiles for ZFS 135ZFS_CFLAGS= -DFREEBSD_NAMECACHE -DBUILDING_ZFS -nostdinc -I$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 136ZFS_ASM_CFLAGS= -x assembler-with-cpp -DLOCORE ${ZFS_CFLAGS} 137ZFS_C= ${CC} -c ${ZFS_CFLAGS} ${WERROR} ${PROF} ${.IMPSRC} 138ZFS_S= ${CC} -c ${ZFS_ASM_CFLAGS} ${WERROR} ${.IMPSRC} 139 140.if ${MK_CTF} != "no" 141NORMAL_CTFCONVERT= ${CTFCONVERT} ${CTFFLAGS} ${.TARGET} 142.elif ${MAKE_VERSION} >= 5201111300 143NORMAL_CTFCONVERT= 144.else 145NORMAL_CTFCONVERT= @: 146.endif 147 148NORMAL_LINT= ${LINT} ${LINTFLAGS} ${CFLAGS:M-[DIU]*} ${.IMPSRC} 149 150# Infiniband C flags. Correct include paths and omit errors that linux 151# does not honor. 152OFEDINCLUDES= -I$S/ofed/include/ 153OFEDNOERR= -Wno-cast-qual -Wno-pointer-arith -fms-extensions 154OFEDCFLAGS= ${CFLAGS:N-I*} ${OFEDINCLUDES} ${CFLAGS:M-I*} ${OFEDNOERR} 155OFED_C_NOIMP= ${CC} -c -o ${.TARGET} ${OFEDCFLAGS} ${WERROR} ${PROF} 156OFED_C= ${OFED_C_NOIMP} ${.IMPSRC} 157 158GEN_CFILES= $S/$M/$M/genassym.c ${MFILES:T:S/.m$/.c/} 159SYSTEM_CFILES= config.c env.c hints.c vnode_if.c 160SYSTEM_DEP= Makefile ${SYSTEM_OBJS} 161SYSTEM_OBJS= locore.o ${MDOBJS} ${OBJS} 162SYSTEM_OBJS+= ${SYSTEM_CFILES:.c=.o} 163SYSTEM_OBJS+= hack.So 164SYSTEM_LD= @${LD} -Bdynamic -T ${LDSCRIPT} --no-warn-mismatch \ 165 -warn-common -export-dynamic -dynamic-linker /red/herring \ 166 -o ${.TARGET} -X ${SYSTEM_OBJS} vers.o 167SYSTEM_LD_TAIL= @${OBJCOPY} --strip-symbol gcc2_compiled. ${.TARGET} ; \ 168 ${SIZE} ${.TARGET} ; chmod 755 ${.TARGET} 169SYSTEM_DEP+= ${LDSCRIPT} 170 171# MKMODULESENV is set here so that port makefiles can augment 172# them. 173 174MKMODULESENV+= MAKEOBJDIRPREFIX=${.OBJDIR}/modules KMODDIR=${KODIR} 175MKMODULESENV+= MACHINE_CPUARCH=${MACHINE_CPUARCH} 176.if (${KERN_IDENT} == LINT) 177MKMODULESENV+= ALL_MODULES=LINT 178.endif 179.if defined(MODULES_OVERRIDE) 180MKMODULESENV+= MODULES_OVERRIDE="${MODULES_OVERRIDE}" 181.endif 182.if defined(WITHOUT_MODULES) 183MKMODULESENV+= WITHOUT_MODULES="${WITHOUT_MODULES}" 184.endif 185.if defined(DEBUG) 186MKMODULESENV+= DEBUG_FLAGS="${DEBUG}" 187.endif 188 189# Are various things configured? 190DDB_ENABLED!= grep DDB opt_ddb.h || true ; echo 191DTR_ENABLED!= grep KDTRACE_FRAME opt_kdtrace.h || true ; echo 192HWPMC_ENABLED!= grep HWPMC opt_hwpmc_hooks.h || true ; echo 193