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