100 lines
2.8 KiB
Makefile
100 lines
2.8 KiB
Makefile
# kern.pre.mk
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#
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# Unified Makefile for building kernels. This includes all the definitions
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# that need to be included before %BEFORE_DEPEND
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#
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# $FreeBSD$
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#
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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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M= ${MACHINE_ARCH}
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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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COPTFLAGS?=-O -pipe
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.if !defined(NO_CPU_COPTFLAGS)
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COPTFLAGS+= ${_CPUCFLAGS}
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.endif
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INCLUDES= -nostdinc -I- ${INCLMAGIC} -I. -I$S -I$S/dev
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# This hack lets us use the Intel ACPICA code without spamming a new
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# include path into 100+ source files.
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INCLUDES+= -I$S/contrib/dev/acpica
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# ... and the same for ipfilter
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INCLUDES+= -I$S/contrib/ipfilter
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# ... and the same for Atheros HAL
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INCLUDES+= -I$S/contrib/dev/ath -I$S/contrib/dev/ath/freebsd
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COPTS= ${INCLUDES} -D_KERNEL -include opt_global.h
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CFLAGS= ${COPTFLAGS} ${CWARNFLAGS} ${DEBUG} ${COPTS} -fno-common
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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 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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# XXX -Wno-inline is to break some warnings.
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PROF= -finstrument-functions -Wno-inline
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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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WERROR?= -Werror
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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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NORMAL_LINT= ${LINT} ${LINTFLAGS} ${CFLAGS:M-[DIU]*} ${.IMPSRC}
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GEN_CFILES= $S/$M/$M/genassym.c
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SYSTEM_CFILES= config.c env.c hints.c majors.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} ${FMT} -Bdynamic -T $S/conf/ldscript.$M \
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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} ${FMT} ${.TARGET} ; chmod 755 ${.TARGET}
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SYSTEM_DEP+= $S/conf/ldscript.$M
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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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.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(DEBUG)
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MKMODULESENV+= DEBUG="${DEBUG}" DEBUG_FLAGS="${DEBUG}"
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.endif
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