197 lines
4.3 KiB
Makefile
197 lines
4.3 KiB
Makefile
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WITH_INSTALL_AS_USER= yes
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.if defined(.PARSEDIR) # bmake
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# some handy macros
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_this = ${.PARSEDIR:tA}/${.PARSEFILE}
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# some useful modifiers
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# A useful trick for testing multiple :M's against something
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# :L says to use the variable's name as its value - ie. literal
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# got = ${clean* destroy:${M_ListToMatch:S,V,.TARGETS,}}
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M_ListToMatch = L:@m@$${V:M$$m}@
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# match against our initial targets (see above)
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M_L_TARGETS = ${M_ListToMatch:S,V,_TARGETS,}
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# turn a list into a set of :N modifiers
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# NskipFoo = ${Foo:${M_ListToSkip}}
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M_ListToSkip= O:u:ts::S,:,:N,g:S,^,N,
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# type should be a builtin in any sh since about 1980,
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# AUTOCONF := ${autoconf:L:${M_whence}}
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M_type = @x@(type $$x 2> /dev/null); echo;@:sh:[0]:N* found*:[@]:C,[()],,g
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M_whence = ${M_type}:M/*
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# convert a path to a valid shell variable
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M_P2V = tu:C,[./-],_,g
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# convert path to absolute
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.if ${MAKE_VERSION:U0} > 20100408
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M_tA = tA
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.else
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M_tA = C,.*,('cd' & \&\& 'pwd') 2> /dev/null || echo &,:sh
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.endif
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# this is handy for forcing a space into something.
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AnEmptyVar=
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# absoulte path to what we are reading.
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_PARSEDIR = ${.PARSEDIR:${M_tA}}
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.if !empty(SB)
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SB_SRC ?= ${SB}/src
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SB_OBJROOT ?= ${SB}/obj
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# this is what we use below
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SRCTOP ?= ${SB_SRC}
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OBJROOT ?= ${SB_OBJROOT}
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.endif
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.if empty(SRCTOP)
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SRCTOP := ${_PARSEDIR:H:H}
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.export SRCTOP
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OBJROOT ?= ${SRCTOP:H}/obj/
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.endif
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# we need HOST_TARGET etc below.
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.include <host-target.mk>
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OBJTOP ?= ${OBJROOT}${MACHINE}
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.if !defined(_TARGETS)
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# some things we do only once
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_TARGETS := ${.TARGETS}
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.-include <sys.env.mk>
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.if !empty(OBJROOT)
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.if ${OBJROOT:M*/} != ""
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OBJROOT:= ${OBJROOT:tA}/
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.else
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OBJROOT:= ${OBJROOT:H:tA}/${OBJROOT:T}
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.endif
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.export OBJROOT
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.endif
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.endif
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.if !empty(SRCTOP)
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.if ${.CURDIR} == ${SRCTOP}
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RELDIR = .
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.elif ${.CURDIR:M${SRCTOP}/*}
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RELDIR := ${.CURDIR:S,${SRCTOP}/,,}
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.endif
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.endif
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HOST_OBJTOP ?= ${OBJROOT}${HOST_TARGET}
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.if ${OBJTOP} == ${HOST_OBJTOP} || ${REQUESTED_MACHINE:U${MACHINE}} == "host"
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MACHINE= host
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.endif
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.if ${MACHINE} == "host"
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OBJTOP := ${HOST_OBJTOP}
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.endif
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# if you want objdirs make them automatic
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.if ${MKOBJDIRS:Uno} == "auto"
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WITH_AUTO_OBJ= yes
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.include <auto.obj.mk>
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.endif
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.ifndef WITHOUT_META_MODE
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WITH_META_MODE= yes
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.ifndef WITHOUT_STAGING
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WITH_STAGING= yes
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.endif
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PYTHON ?= /usr/local/bin/python
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.if ${.MAKE.LEVEL} == 0
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# this works best if share/mk is ready for it.
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BUILD_AT_LEVEL0= no
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# By default only MACHINE0 updates dependencies
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# see local.autodep.mk
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MACHINE0 := ${MACHINE}
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.export MACHINE0
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.export PYTHON
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.endif
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# we want to end up with a singe stage tree for all machines
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.ifndef WITHOUT_STAGING
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.if empty(STAGE_ROOT)
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STAGE_ROOT?= ${OBJROOT}stage
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.export STAGE_ROOT
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.endif
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.endif
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.if !empty(STAGE_ROOT)
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.if ${MACHINE} == "host"
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STAGE_MACHINE= ${HOST_TARGET}
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.else
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STAGE_MACHINE= ${MACHINE}
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.endif
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STAGE_OBJTOP= ${STAGE_ROOT}/${STAGE_MACHINE}
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STAGE_COMMON_OBJTOP= ${STAGE_ROOT}/common
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STAGE_HOST_OBJTOP= ${STAGE_ROOT}/${HOST_TARGET}
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STAGE_LIBDIR= ${STAGE_OBJTOP}${LIBDIR:U/lib}
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# this is not the same as INCLUDEDIR
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STAGE_INCSDIR= ${STAGE_OBJTOP}${INCSDIR:U/include}
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.ifndef WITH_SYSROOT
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.if ${MACHINE} != "host"
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CFLAGS_LAST+= -nostdinc
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.endif
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CFLAGS_LAST+= -isystem ${STAGE_OBJTOP}/usr/include -isystem ${STAGE_OBJTOP}/include
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LDFLAGS+= -B${STAGE_LIBDIR} -L${STAGE_LIBDIR}
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.else
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# if ld suppored sysroot, this would suffice
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CFLAGS_LAST+= --sysroot=${STAGE_OBJTOP} -isystem ${STAGE_OBJTOP}/include
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.endif
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.endif
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.include "meta.sys.mk"
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# most dirs can be satisfied with one Makefile.depend ?
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.undef .MAKE.DEPENDFILE
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.MAKE.DEPENDFILE_PREFERENCE = \
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${.MAKE.DEPENDFILE_PREFIX} \
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${.MAKE.DEPENDFILE_PREFIX}.${MACHINE}
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.include "sys.dependfile.mk"
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.if ${MACHINE} == "host"
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# need a machine specific file
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.MAKE.DEPENDFILE= ${.MAKE.DEPENDFILE_PREFIX}.${MACHINE}
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.endif
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.MAKE.META.BAILIWICK = ${SB} ${OBJROOT} ${STAGE_ROOT}
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.endif # meta mode
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# ensure we have a value
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.MAKE.MODE ?= normal
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# don't rely on MACHINE_ARCH being set or valid
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MACHINE_ARCH.host = ${_HOST_ARCH}
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MACHINE_ARCH.${MACHINE} ?= ${MACHINE}
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MACHINE_ARCH := ${MACHINE_ARCH.${MACHINE}}
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CSU_DIR.i386 = csu/i386-elf
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CSU_DIR.${MACHINE_ARCH} ?= csu/${MACHINE_ARCH}
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CSU_DIR := ${CSU_DIR.${MACHINE_ARCH}}
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MAKE_PRINT_VAR_ON_ERROR+= \
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.CURDIR \
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.MAKE \
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.OBJDIR \
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.TARGETS \
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DESTDIR \
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LD_LIBRARY_PATH \
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MACHINE \
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MACHINE_ARCH \
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MAKEOBJDIRPREFIX \
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MAKE_VERSION\
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OBJTOP \
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${MAKE_PRINT_VAR_ON_ERROR_XTRAS}
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.endif # bmake
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