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2677e7fea5
kernel modules using their old installed /usr/share/mk/bsd.*.mk files,
instead of the updated ones in their source tree. This leads to errors
like:
"sys/conf/kmod.mk", line 111: Malformed conditional (${MK_CLANG_IS_CC} == "no" && ${CC:T:Mclang} != "clang")
Obviously, these errors will go away after a "make installworld", or
alternatively, by using "make buildenv" before attempting to manually
build modules.
However, since it is apparently an expected use case to build using old
.mk files, change the way we test for clang, so it also works when the
MK_CLANG_IS_CC macro doesn't exist.
Note the conditional expressions are becoming rather unreadable now, but
I will attempt to fix that on a followup commit.
MFC after: 2 weeks
182 lines
5.0 KiB
Makefile
182 lines
5.0 KiB
Makefile
# $FreeBSD$
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# Part of a unified Makefile for building kernels. This part contains all
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# of the definitions that need to be before %BEFORE_DEPEND.
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.include <bsd.own.mk>
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# backwards compat option for older systems.
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MACHINE_CPUARCH?=${MACHINE_ARCH:C/mipse[lb]/mips/:C/armeb/arm/:C/powerpc64/powerpc/}
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# Can be overridden by makeoptions or /etc/make.conf
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KERNEL_KO?= kernel
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KERNEL?= kernel
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KODIR?= /boot/${KERNEL}
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LDSCRIPT_NAME?= ldscript.$M
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LDSCRIPT?= $S/conf/${LDSCRIPT_NAME}
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M= ${MACHINE_CPUARCH}
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AWK?= awk
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LINT?= lint
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NM?= nm
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OBJCOPY?= objcopy
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SIZE?= size
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.if defined(DEBUG)
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_MINUS_O= -O
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CTFFLAGS+= -g
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.else
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.if ${MACHINE_CPUARCH} == "powerpc"
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_MINUS_O= -O # gcc miscompiles some code at -O2
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.else
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_MINUS_O= -O2
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.endif
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.endif
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.if ${MACHINE_CPUARCH} == "amd64"
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.if ${CC:T:Mclang} != "clang" && (!defined(MK_CLANG_IS_CC) || ${MK_CLANG_IS_CC} == "no")
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COPTFLAGS?=-O2 -frename-registers -pipe
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.else
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COPTFLAGS?=-O2 -pipe
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.endif
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.else
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COPTFLAGS?=${_MINUS_O} -pipe
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.endif
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.if !empty(COPTFLAGS:M-O[23s]) && empty(COPTFLAGS:M-fno-strict-aliasing)
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COPTFLAGS+= -fno-strict-aliasing
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.endif
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.if !defined(NO_CPU_COPTFLAGS)
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COPTFLAGS+= ${_CPUCFLAGS}
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.endif
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C_DIALECT= -std=c99
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NOSTDINC= -nostdinc
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INCLUDES= ${NOSTDINC} ${INCLMAGIC} -I. -I$S
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# This hack lets us use the OpenBSD altq code without spamming a new
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# include path into contrib'ed source files.
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INCLUDES+= -I$S/contrib/altq
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.if make(depend) || make(kernel-depend)
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# ... and the same for ipfilter
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INCLUDES+= -I$S/contrib/ipfilter
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# ... and the same for pf
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INCLUDES+= -I$S/contrib/pf
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# ... and the same for ath
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INCLUDES+= -I$S/dev/ath -I$S/dev/ath/ath_hal
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# ... and the same for the NgATM stuff
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INCLUDES+= -I$S/contrib/ngatm
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# ... and the same for twa
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INCLUDES+= -I$S/dev/twa
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# ... and the same for XFS
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INCLUDES+= -I$S/gnu/fs/xfs/FreeBSD -I$S/gnu/fs/xfs/FreeBSD/support -I$S/gnu/fs/xfs
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# ... and the same for cxgb and cxgbe
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INCLUDES+= -I$S/dev/cxgb -I$S/dev/cxgbe
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.endif
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CFLAGS= ${COPTFLAGS} ${C_DIALECT} ${DEBUG} ${CWARNFLAGS}
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CFLAGS+= ${INCLUDES} -D_KERNEL -DHAVE_KERNEL_OPTION_HEADERS -include opt_global.h
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.if ${CC:T:Mclang} != "clang" && (!defined(MK_CLANG_IS_CC) || ${MK_CLANG_IS_CC} == "no")
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CFLAGS+= -fno-common -finline-limit=${INLINE_LIMIT}
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.if ${MACHINE_CPUARCH} != "mips"
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CFLAGS+= --param inline-unit-growth=100
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CFLAGS+= --param large-function-growth=1000
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.else
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# XXX Actually a gross hack just for Octeon because of the Simple Executive.
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CFLAGS+= --param inline-unit-growth=10000
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CFLAGS+= --param large-function-growth=100000
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CFLAGS+= --param max-inline-insns-single=10000
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.endif
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.endif
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WERROR?= -Werror
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# XXX LOCORE means "don't declare C stuff" not "for locore.s".
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ASM_CFLAGS= -x assembler-with-cpp -DLOCORE ${CFLAGS}
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.if ${CC:T:Mclang} == "clang"
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CLANG_NO_IAS= -no-integrated-as
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.endif
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.if defined(PROFLEVEL) && ${PROFLEVEL} >= 1
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CFLAGS+= -DGPROF -falign-functions=16
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.if ${PROFLEVEL} >= 2
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CFLAGS+= -DGPROF4 -DGUPROF
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PROF= -pg -mprofiler-epilogue
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.else
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PROF= -pg
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.endif
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.endif
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DEFINED_PROF= ${PROF}
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# Put configuration-specific C flags last (except for ${PROF}) so that they
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# can override the others.
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CFLAGS+= ${CONF_CFLAGS}
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# Optional linting. This can be overridden in /etc/make.conf.
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LINTFLAGS= ${LINTOBJKERNFLAGS}
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NORMAL_C= ${CC} -c ${CFLAGS} ${WERROR} ${PROF} ${.IMPSRC}
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NORMAL_S= ${CC} -c ${ASM_CFLAGS} ${WERROR} ${.IMPSRC}
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PROFILE_C= ${CC} -c ${CFLAGS} ${WERROR} ${.IMPSRC}
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NORMAL_C_NOWERROR= ${CC} -c ${CFLAGS} ${PROF} ${.IMPSRC}
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NORMAL_M= ${AWK} -f $S/tools/makeobjops.awk ${.IMPSRC} -c ; \
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${CC} -c ${CFLAGS} ${WERROR} ${PROF} ${.PREFIX}.c
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.if ${MK_CTF} != "no"
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NORMAL_CTFCONVERT= ${CTFCONVERT} ${CTFFLAGS} ${.TARGET}
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.elif ${MAKE_VERSION} >= 5201111300
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NORMAL_CTFCONVERT=
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.else
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NORMAL_CTFCONVERT= @:
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.endif
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NORMAL_LINT= ${LINT} ${LINTFLAGS} ${CFLAGS:M-[DIU]*} ${.IMPSRC}
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# Infiniband C flags. Correct include paths and omit errors that linux
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# does not honor.
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OFEDINCLUDES= -I$S/ofed/include/
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OFEDNOERR= -Wno-cast-qual -Wno-pointer-arith -fms-extensions
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OFEDCFLAGS= ${CFLAGS:N-I*} ${OFEDINCLUDES} ${CFLAGS:M-I*} ${OFEDNOERR}
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OFED_C_NOIMP= ${CC} -c -o ${.TARGET} ${OFEDCFLAGS} ${WERROR} ${PROF}
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OFED_C= ${OFED_C_NOIMP} ${.IMPSRC}
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GEN_CFILES= $S/$M/$M/genassym.c ${MFILES:T:S/.m$/.c/}
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SYSTEM_CFILES= config.c env.c hints.c vnode_if.c
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SYSTEM_DEP= Makefile ${SYSTEM_OBJS}
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SYSTEM_OBJS= locore.o ${MDOBJS} ${OBJS}
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SYSTEM_OBJS+= ${SYSTEM_CFILES:.c=.o}
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SYSTEM_OBJS+= hack.So
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SYSTEM_LD= @${LD} -Bdynamic -T ${LDSCRIPT} \
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-warn-common -export-dynamic -dynamic-linker /red/herring \
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-o ${.TARGET} -X ${SYSTEM_OBJS} vers.o
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SYSTEM_LD_TAIL= @${OBJCOPY} --strip-symbol gcc2_compiled. ${.TARGET} ; \
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${SIZE} ${.TARGET} ; chmod 755 ${.TARGET}
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SYSTEM_DEP+= ${LDSCRIPT}
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# MKMODULESENV is set here so that port makefiles can augment
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# them.
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MKMODULESENV+= MAKEOBJDIRPREFIX=${.OBJDIR}/modules KMODDIR=${KODIR}
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MKMODULESENV+= MACHINE_CPUARCH=${MACHINE_CPUARCH}
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.if (${KERN_IDENT} == LINT)
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MKMODULESENV+= ALL_MODULES=LINT
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.endif
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.if defined(MODULES_OVERRIDE)
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MKMODULESENV+= MODULES_OVERRIDE="${MODULES_OVERRIDE}"
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.endif
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.if defined(WITHOUT_MODULES)
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MKMODULESENV+= WITHOUT_MODULES="${WITHOUT_MODULES}"
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.endif
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.if defined(DEBUG)
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MKMODULESENV+= DEBUG_FLAGS="${DEBUG}"
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.endif
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