kern.pre.mk revision 260495
1# $FreeBSD: stable/10/sys/conf/kern.pre.mk 260495 2014-01-09 22:40:51Z dim $ 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 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.else 103GCC_MS_EXTENSIONS= -fms-extensions 104.endif 105 106.if defined(PROFLEVEL) && ${PROFLEVEL} >= 1 107CFLAGS+= -DGPROF 108.if ${COMPILER_TYPE} != "clang" 109CFLAGS+= -falign-functions=16 110.endif 111.if ${PROFLEVEL} >= 2 112CFLAGS+= -DGPROF4 -DGUPROF 113PROF= -pg 114.if ${COMPILER_TYPE} != "clang" 115PROF+= -mprofiler-epilogue 116.endif 117.else 118PROF= -pg 119.endif 120.endif 121DEFINED_PROF= ${PROF} 122 123# Put configuration-specific C flags last (except for ${PROF}) so that they 124# can override the others. 125CFLAGS+= ${CONF_CFLAGS} 126 127# Optional linting. This can be overridden in /etc/make.conf. 128LINTFLAGS= ${LINTOBJKERNFLAGS} 129 130NORMAL_C= ${CC} -c ${CFLAGS} ${WERROR} ${PROF} ${.IMPSRC} 131NORMAL_S= ${CC} -c ${ASM_CFLAGS} ${WERROR} ${.IMPSRC} 132PROFILE_C= ${CC} -c ${CFLAGS} ${WERROR} ${.IMPSRC} 133NORMAL_C_NOWERROR= ${CC} -c ${CFLAGS} ${PROF} ${.IMPSRC} 134 135NORMAL_M= ${AWK} -f $S/tools/makeobjops.awk ${.IMPSRC} -c ; \ 136 ${CC} -c ${CFLAGS} ${WERROR} ${PROF} ${.PREFIX}.c 137 138NORMAL_FW= uudecode -o ${.TARGET} ${.ALLSRC} 139NORMAL_FWO= ${LD} -b binary --no-warn-mismatch -d -warn-common -r \ 140 -o ${.TARGET} ${.ALLSRC:M*.fw} 141 142# Special flags for managing the compat compiles for ZFS 143ZFS_CFLAGS= -DFREEBSD_NAMECACHE -DBUILDING_ZFS -nostdinc -I$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 144ZFS_CFLAGS+= -include $S/cddl/compat/opensolaris/sys/debug_compat.h 145ZFS_ASM_CFLAGS= -x assembler-with-cpp -DLOCORE ${ZFS_CFLAGS} 146ZFS_C= ${CC} -c ${ZFS_CFLAGS} ${WERROR} ${PROF} ${.IMPSRC} 147ZFS_S= ${CC} -c ${ZFS_ASM_CFLAGS} ${WERROR} ${.IMPSRC} 148 149.if ${MK_CTF} != "no" 150NORMAL_CTFCONVERT= ${CTFCONVERT} ${CTFFLAGS} ${.TARGET} 151.elif ${MAKE_VERSION} >= 5201111300 152NORMAL_CTFCONVERT= 153.else 154NORMAL_CTFCONVERT= @: 155.endif 156 157NORMAL_LINT= ${LINT} ${LINTFLAGS} ${CFLAGS:M-[DIU]*} ${.IMPSRC} 158 159# Infiniband C flags. Correct include paths and omit errors that linux 160# does not honor. 161OFEDINCLUDES= -I$S/ofed/include/ 162OFEDNOERR= -Wno-cast-qual -Wno-pointer-arith ${GCC_MS_EXTENSIONS} 163OFEDCFLAGS= ${CFLAGS:N-I*} ${OFEDINCLUDES} ${CFLAGS:M-I*} ${OFEDNOERR} 164OFED_C_NOIMP= ${CC} -c -o ${.TARGET} ${OFEDCFLAGS} ${WERROR} ${PROF} 165OFED_C= ${OFED_C_NOIMP} ${.IMPSRC} 166 167GEN_CFILES= $S/$M/$M/genassym.c ${MFILES:T:S/.m$/.c/} 168SYSTEM_CFILES= config.c env.c hints.c vnode_if.c 169SYSTEM_DEP= Makefile ${SYSTEM_OBJS} 170SYSTEM_OBJS= locore.o ${MDOBJS} ${OBJS} 171SYSTEM_OBJS+= ${SYSTEM_CFILES:.c=.o} 172SYSTEM_OBJS+= hack.So 173SYSTEM_LD= @${LD} -Bdynamic -T ${LDSCRIPT} ${LDFLAGS} --no-warn-mismatch \ 174 -warn-common -export-dynamic -dynamic-linker /red/herring \ 175 -o ${.TARGET} -X ${SYSTEM_OBJS} vers.o 176SYSTEM_LD_TAIL= @${OBJCOPY} --strip-symbol gcc2_compiled. ${.TARGET} ; \ 177 ${SIZE} ${.TARGET} ; chmod 755 ${.TARGET} 178SYSTEM_DEP+= ${LDSCRIPT} 179 180# MKMODULESENV is set here so that port makefiles can augment 181# them. 182 183MKMODULESENV+= MAKEOBJDIRPREFIX=${.OBJDIR}/modules KMODDIR=${KODIR} 184MKMODULESENV+= MACHINE_CPUARCH=${MACHINE_CPUARCH} 185.if (${KERN_IDENT} == LINT) 186MKMODULESENV+= ALL_MODULES=LINT 187.endif 188.if defined(MODULES_OVERRIDE) 189MKMODULESENV+= MODULES_OVERRIDE="${MODULES_OVERRIDE}" 190.endif 191.if defined(WITHOUT_MODULES) 192MKMODULESENV+= WITHOUT_MODULES="${WITHOUT_MODULES}" 193.endif 194.if defined(DEBUG) 195MKMODULESENV+= DEBUG_FLAGS="${DEBUG}" 196.endif 197 198# Are various things configured? 199DDB_ENABLED!= grep DDB opt_ddb.h || true ; echo 200DTR_ENABLED!= grep KDTRACE_FRAME opt_kdtrace.h || true ; echo 201HWPMC_ENABLED!= grep HWPMC opt_hwpmc_hooks.h || true ; echo 202