05d970344a
but LDFLAGS is not (yet) passed on to the linker (via SYSTEM_LD et al). Do so now. As such, any kernel configuration can now define linker flags by setting LDFLAGS as normal and not have to revert to hacks like setting DEBUG for flags that do not relate to debugging (see sys/powerpc/conf/MPC85XX).
199 lines
6.1 KiB
Makefile
199 lines
6.1 KiB
Makefile
# $FreeBSD$
|
|
|
|
# Part of a unified Makefile for building kernels. This part contains all
|
|
# of the definitions that need to be before %BEFORE_DEPEND.
|
|
|
|
.include <bsd.own.mk>
|
|
.include <bsd.compiler.mk>
|
|
|
|
# backwards compat option for older systems.
|
|
MACHINE_CPUARCH?=${MACHINE_ARCH:C/mips(n32|64)?(el)?/mips/:C/arm(v6)?(eb)?/arm/:C/powerpc64/powerpc/}
|
|
|
|
# Can be overridden by makeoptions or /etc/make.conf
|
|
KERNEL_KO?= kernel
|
|
KERNEL?= kernel
|
|
KODIR?= /boot/${KERNEL}
|
|
LDSCRIPT_NAME?= ldscript.$M
|
|
LDSCRIPT?= $S/conf/${LDSCRIPT_NAME}
|
|
|
|
M= ${MACHINE_CPUARCH}
|
|
|
|
AWK?= awk
|
|
CP?= cp
|
|
LINT?= lint
|
|
NM?= nm
|
|
OBJCOPY?= objcopy
|
|
SIZE?= size
|
|
|
|
.if defined(DEBUG)
|
|
_MINUS_O= -O
|
|
CTFFLAGS+= -g
|
|
.else
|
|
.if ${MACHINE_CPUARCH} == "powerpc"
|
|
_MINUS_O= -O # gcc miscompiles some code at -O2
|
|
.else
|
|
_MINUS_O= -O2
|
|
.endif
|
|
.endif
|
|
.if ${MACHINE_CPUARCH} == "amd64"
|
|
.if ${COMPILER_TYPE} != "clang"
|
|
COPTFLAGS?=-O2 -frename-registers -pipe
|
|
.else
|
|
COPTFLAGS?=-O2 -pipe
|
|
.endif
|
|
.else
|
|
COPTFLAGS?=${_MINUS_O} -pipe
|
|
.endif
|
|
.if !empty(COPTFLAGS:M-O[23s]) && empty(COPTFLAGS:M-fno-strict-aliasing)
|
|
COPTFLAGS+= -fno-strict-aliasing
|
|
.endif
|
|
.if !defined(NO_CPU_COPTFLAGS)
|
|
COPTFLAGS+= ${_CPUCFLAGS}
|
|
.endif
|
|
C_DIALECT= -std=c99
|
|
NOSTDINC= -nostdinc
|
|
|
|
INCLUDES= ${NOSTDINC} ${INCLMAGIC} -I. -I$S
|
|
|
|
# This hack lets us use the OpenBSD altq code without spamming a new
|
|
# include path into contrib'ed source files.
|
|
INCLUDES+= -I$S/contrib/altq
|
|
|
|
.if make(depend) || make(kernel-depend)
|
|
|
|
# ... and the same for ipfilter
|
|
INCLUDES+= -I$S/contrib/ipfilter
|
|
|
|
# ... and the same for ath
|
|
INCLUDES+= -I$S/dev/ath -I$S/dev/ath/ath_hal
|
|
|
|
# ... and the same for the NgATM stuff
|
|
INCLUDES+= -I$S/contrib/ngatm
|
|
|
|
# ... and the same for twa
|
|
INCLUDES+= -I$S/dev/twa
|
|
|
|
# ... and the same for cxgb and cxgbe
|
|
INCLUDES+= -I$S/dev/cxgb -I$S/dev/cxgbe
|
|
|
|
.endif
|
|
|
|
CFLAGS= ${COPTFLAGS} ${C_DIALECT} ${DEBUG} ${CWARNFLAGS}
|
|
CFLAGS+= ${INCLUDES} -D_KERNEL -DHAVE_KERNEL_OPTION_HEADERS -include opt_global.h
|
|
.if ${COMPILER_TYPE} != "clang"
|
|
CFLAGS+= -fno-common -finline-limit=${INLINE_LIMIT}
|
|
.if ${MACHINE_CPUARCH} != "mips"
|
|
CFLAGS+= --param inline-unit-growth=100
|
|
CFLAGS+= --param large-function-growth=1000
|
|
.else
|
|
# XXX Actually a gross hack just for Octeon because of the Simple Executive.
|
|
CFLAGS+= --param inline-unit-growth=10000
|
|
CFLAGS+= --param large-function-growth=100000
|
|
CFLAGS+= --param max-inline-insns-single=10000
|
|
.endif
|
|
.endif
|
|
WERROR?= -Werror
|
|
|
|
# XXX LOCORE means "don't declare C stuff" not "for locore.s".
|
|
ASM_CFLAGS= -x assembler-with-cpp -DLOCORE ${CFLAGS}
|
|
|
|
.if ${COMPILER_TYPE} == "clang"
|
|
CLANG_NO_IAS= -no-integrated-as
|
|
.endif
|
|
|
|
.if defined(PROFLEVEL) && ${PROFLEVEL} >= 1
|
|
CFLAGS+= -DGPROF
|
|
.if ${COMPILER_TYPE} != "clang"
|
|
CFLAGS+= -falign-functions=16
|
|
.endif
|
|
.if ${PROFLEVEL} >= 2
|
|
CFLAGS+= -DGPROF4 -DGUPROF
|
|
PROF= -pg
|
|
.if ${COMPILER_TYPE} != "clang"
|
|
PROF+= -mprofiler-epilogue
|
|
.endif
|
|
.else
|
|
PROF= -pg
|
|
.endif
|
|
.endif
|
|
DEFINED_PROF= ${PROF}
|
|
|
|
# Put configuration-specific C flags last (except for ${PROF}) so that they
|
|
# can override the others.
|
|
CFLAGS+= ${CONF_CFLAGS}
|
|
|
|
# Optional linting. This can be overridden in /etc/make.conf.
|
|
LINTFLAGS= ${LINTOBJKERNFLAGS}
|
|
|
|
NORMAL_C= ${CC} -c ${CFLAGS} ${WERROR} ${PROF} ${.IMPSRC}
|
|
NORMAL_S= ${CC} -c ${ASM_CFLAGS} ${WERROR} ${.IMPSRC}
|
|
PROFILE_C= ${CC} -c ${CFLAGS} ${WERROR} ${.IMPSRC}
|
|
NORMAL_C_NOWERROR= ${CC} -c ${CFLAGS} ${PROF} ${.IMPSRC}
|
|
|
|
NORMAL_M= ${AWK} -f $S/tools/makeobjops.awk ${.IMPSRC} -c ; \
|
|
${CC} -c ${CFLAGS} ${WERROR} ${PROF} ${.PREFIX}.c
|
|
|
|
NORMAL_FW= uudecode -o ${.TARGET} ${.ALLSRC}
|
|
NORMAL_FWO= ${LD} -b binary --no-warn-mismatch -d -warn-common -r \
|
|
-o ${.TARGET} ${.ALLSRC:M*.fw}
|
|
|
|
# Special flags for managing the compat compiles for ZFS
|
|
ZFS_CFLAGS= -DFREEBSD_NAMECACHE -DBUILDING_ZFS -nostdinc -I$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
|
|
ZFS_ASM_CFLAGS= -x assembler-with-cpp -DLOCORE ${ZFS_CFLAGS}
|
|
ZFS_C= ${CC} -c ${ZFS_CFLAGS} ${WERROR} ${PROF} ${.IMPSRC}
|
|
ZFS_S= ${CC} -c ${ZFS_ASM_CFLAGS} ${WERROR} ${.IMPSRC}
|
|
|
|
.if ${MK_CTF} != "no"
|
|
NORMAL_CTFCONVERT= ${CTFCONVERT} ${CTFFLAGS} ${.TARGET}
|
|
.elif ${MAKE_VERSION} >= 5201111300
|
|
NORMAL_CTFCONVERT=
|
|
.else
|
|
NORMAL_CTFCONVERT= @:
|
|
.endif
|
|
|
|
NORMAL_LINT= ${LINT} ${LINTFLAGS} ${CFLAGS:M-[DIU]*} ${.IMPSRC}
|
|
|
|
# Infiniband C flags. Correct include paths and omit errors that linux
|
|
# does not honor.
|
|
OFEDINCLUDES= -I$S/ofed/include/
|
|
OFEDNOERR= -Wno-cast-qual -Wno-pointer-arith -fms-extensions
|
|
OFEDCFLAGS= ${CFLAGS:N-I*} ${OFEDINCLUDES} ${CFLAGS:M-I*} ${OFEDNOERR}
|
|
OFED_C_NOIMP= ${CC} -c -o ${.TARGET} ${OFEDCFLAGS} ${WERROR} ${PROF}
|
|
OFED_C= ${OFED_C_NOIMP} ${.IMPSRC}
|
|
|
|
GEN_CFILES= $S/$M/$M/genassym.c ${MFILES:T:S/.m$/.c/}
|
|
SYSTEM_CFILES= config.c env.c hints.c vnode_if.c
|
|
SYSTEM_DEP= Makefile ${SYSTEM_OBJS}
|
|
SYSTEM_OBJS= locore.o ${MDOBJS} ${OBJS}
|
|
SYSTEM_OBJS+= ${SYSTEM_CFILES:.c=.o}
|
|
SYSTEM_OBJS+= hack.So
|
|
SYSTEM_LD= @${LD} -Bdynamic -T ${LDSCRIPT} ${LDFLAGS} --no-warn-mismatch \
|
|
-warn-common -export-dynamic -dynamic-linker /red/herring \
|
|
-o ${.TARGET} -X ${SYSTEM_OBJS} vers.o
|
|
SYSTEM_LD_TAIL= @${OBJCOPY} --strip-symbol gcc2_compiled. ${.TARGET} ; \
|
|
${SIZE} ${.TARGET} ; chmod 755 ${.TARGET}
|
|
SYSTEM_DEP+= ${LDSCRIPT}
|
|
|
|
# MKMODULESENV is set here so that port makefiles can augment
|
|
# them.
|
|
|
|
MKMODULESENV+= MAKEOBJDIRPREFIX=${.OBJDIR}/modules KMODDIR=${KODIR}
|
|
MKMODULESENV+= MACHINE_CPUARCH=${MACHINE_CPUARCH}
|
|
.if (${KERN_IDENT} == LINT)
|
|
MKMODULESENV+= ALL_MODULES=LINT
|
|
.endif
|
|
.if defined(MODULES_OVERRIDE)
|
|
MKMODULESENV+= MODULES_OVERRIDE="${MODULES_OVERRIDE}"
|
|
.endif
|
|
.if defined(WITHOUT_MODULES)
|
|
MKMODULESENV+= WITHOUT_MODULES="${WITHOUT_MODULES}"
|
|
.endif
|
|
.if defined(DEBUG)
|
|
MKMODULESENV+= DEBUG_FLAGS="${DEBUG}"
|
|
.endif
|
|
|
|
# Are various things configured?
|
|
DDB_ENABLED!= grep DDB opt_ddb.h || true ; echo
|
|
DTR_ENABLED!= grep KDTRACE_FRAME opt_kdtrace.h || true ; echo
|
|
HWPMC_ENABLED!= grep HWPMC opt_hwpmc_hooks.h || true ; echo
|