# $FabBSD$
# $OpenBSD: Makefile.cross,v 1.25 2008/05/13 21:15:58 miod Exp $

cross-tools:	cross-includes cross-binutils cross-gcc cross-lib
cross-distrib:	cross-tools cross-bin cross-etc-root-var

# Have to compute TARGET_ARCH directly in the Makefile, for .if tests involving
# this variable to work.
.if	(${TARGET} == "armish" || ${TARGET} == "zaurus")
TARGET_ARCH=	arm
.elif	(${TARGET} == "hp300" || ${TARGET} == "mac68k" || \
	 ${TARGET} == "mvme68k")
TARGET_ARCH=	m68k
.elif	(${TARGET} == "aviion" || ${TARGET} == "luna88k" || \
	 ${TARGET} == "mvme88k")
TARGET_ARCH=	m88k
.elif	(${TARGET} == "sgi")
TARGET_ARCH=	mips64
.elif	(${TARGET} == "solbourne")
TARGET_ARCH=	sparc
.elif	(${TARGET} == "macppc" || ${TARGET} == "mvmeppc" || \
	 ${TARGET} == "socppc")
TARGET_ARCH=	powerpc
.elif	(${TARGET} == "landisk")
TARGET_ARCH=	sh
.else
TARGET_ARCH=	${TARGET}
.endif

CROSSCPPFLAGS?=	-nostdinc -I${CROSSDIR}/usr/include
CROSSLDFLAGS?=	-nostdlib -L${CROSSDIR}/usr/lib -static
CROSSCFLAGS?=	${CROSSCPPFLAGS}
CROSSCXXFLAGS?=	${CROSSCPPFLAGS}
LDSTATIC?=	-static

CROSSDIR=	${DESTDIR}/usr/cross/${TARGET}
CROSSENV=	AR=${CROSSDIR}/usr/bin/ar AS=${CROSSDIR}/usr/bin/as \
		CC=${CROSSDIR}/usr/bin/cc CPP=${CROSSDIR}/usr/bin/cpp \
		CXX=${CROSSDIR}/usr/bin/c++ \
		LD=${CROSSDIR}/usr/bin/ld \
		LORDER=/usr/bin/lorder RANLIB=${CROSSDIR}/usr/bin/ranlib \
		STRIP=${CROSSDIR}/usr/bin/strip \
		HOSTCC=\"${CC}\" HOSTCXX=\"${CXX}\" NOMAN= DESTDIR=${CROSSDIR} \
		HOSTCFLAGS=\"${CFLAGS}\" HOSTCXXFLAGS=\"${CXXFLAGS}\" \
		HOSTLDFLAGS=\"${LDFLAGS}\" \
		CFLAGS=\"${CROSSCFLAGS}\" CPPFLAGS=\"${CROSSCPPFLAGS}\" \
		CXXFLAGS=\"${CROSSCXXFLAGS}\" \
		LDFLAGS=\"${CROSSLDFLAGS}\"
CROSSPATH=	${PATH}:${CROSSDIR}/usr/bin
CROSSLANGS?=	c c++

TARGET_CANON=`cat ${CROSSDIR}/TARGET_CANON`

CROSSDIRS=	${CROSSDIR}/.dirs_done
CROSSOBJ=	${CROSSDIR}/usr/obj/.obj_done
CROSSINCLUDES=	${CROSSDIR}/usr/include/.includes_done
CROSSBINUTILS=	${CROSSDIR}/usr/bin/.binutils_done
CROSSGCC=	${CROSSDIR}/usr/bin/.gcc_done
NO_CROSS=	isakmpd tn3270 less sudo openssl libkeynote libssl \
		keynote sectok ssh

# no libcrypto.... these won't build
NO_CROSS+=	dc login_krb5 login_krb5-or-pwd passwd ppp tcpdump telnet
# need host setup for ydr
NO_CROSS+=afs
# explicit cross-compile
NO_CROSS+=bind

cross-dirs:	${CROSSDIRS}
cross-obj:	${CROSSOBJ}
cross-includes:	${CROSSINCLUDES}
cross-binutils:	${CROSSBINUTILS}
cross-gcc:	${CROSSGCC}

cross-env:
	@echo ${CROSSENV} MACHINE=${TARGET} \
	    MACHINE_ARCH=`cat ${CROSSDIR}/TARGET_ARCH` \
	    BSDOBJDIR=${CROSSDIR}/usr/obj \
	    BSDSRCDIR=${.CURDIR} MAKEOBJDIR=obj.${MACHINE}.${TARGET}

${CROSSDIRS}:
	@-mkdir -p ${CROSSDIR}
	@echo ${TARGET_ARCH} > ${CROSSDIR}/TARGET_ARCH
	@echo TARGET_ARCH is `cat ${CROSSDIR}/TARGET_ARCH`
	@eval `grep '^osr=' sys/conf/newvers.sh`; \
	   sed "s/\$$/-unknown-fabbsd$$osr/" ${CROSSDIR}/TARGET_ARCH > \
	   ${CROSSDIR}/TARGET_CANON
	@-mkdir -p ${CROSSDIR}
	@-mkdir -p ${CROSSDIR}/usr/${TARGET_CANON}
	@ln -sf ${CROSSDIR}/usr/include \
	    ${CROSSDIR}/usr/${TARGET_CANON}/include
	@ln -sf ${CROSSDIR}/usr/lib \
	    ${CROSSDIR}/usr/${TARGET_CANON}/lib
	@-mkdir -p ${CROSSDIR}/usr/${TARGET_CANON}/bin
	@(cd ${.CURDIR}/etc && DESTDIR=${CROSSDIR} ${MAKE} distrib-dirs)
	@touch ${CROSSDIRS}

${CROSSOBJ}:	${CROSSDIRS}
	@-mkdir -p ${CROSSDIR}/usr/obj
	@(cd ${.CURDIR} && \
	    BSDOBJDIR=${CROSSDIR}/usr/obj \
	    MACHINE=${TARGET} \
	    MACHINE_ARCH=${TARGET_ARCH} \
	    BSDSRCDIR=${.CURDIR} MAKEOBJDIR=obj.${MACHINE}.${TARGET} \
	    ${MAKE} obj)
	@touch ${CROSSOBJ}

${CROSSINCLUDES}:	${CROSSOBJ}
	@-mkdir -p ${CROSSDIR}/usr/include
	@(cd ${.CURDIR}/include && \
	    MACHINE=${TARGET} MACHINE_ARCH=${TARGET_ARCH} \
	    MAKEOBJDIR=obj.${MACHINE}.${TARGET} \
	    TARGET_ARCH=${TARGET_ARCH} \
	    ${MAKE} prereq && \
	    MACHINE=${TARGET} MACHINE_ARCH=${TARGET_ARCH} \
	    MAKEOBJDIR=obj.${MACHINE}.${TARGET} \
	    TARGET_ARCH=${TARGET_ARCH} \
	    ${MAKE} DESTDIR=${CROSSDIR} includes)
	@touch ${CROSSINCLUDES}

BINUTILS=	ar as gasp ld nm objcopy objdump ranlib readelf size \
		strings strip

${CROSSBINUTILS}:	${CROSSINCLUDES}
	(cd ${.CURDIR}/gnu/usr.bin/binutils; \
	    MAKEOBJDIR=obj.${MACHINE}.${TARGET} \
	    USING_NEW_BINUTILS=Yes \
	    TARGET_ARCH=${TARGET_ARCH} \
	    ${MAKE} -f Makefile.bsd-wrapper depend && \
	    MAKEOBJDIR=obj.${MACHINE}.${TARGET} \
	    USING_NEW_BINUTILS=Yes \
	    TARGET_ARCH=${TARGET_ARCH} \
	    ${MAKE} -f Makefile.bsd-wrapper all && \
	    DESTDIR=${CROSSDIR} MAKEOBJDIR=obj.${MACHINE}.${TARGET} \
	    USING_NEW_BINUTILS=Yes \
	    ${MAKE} -f Makefile.bsd-wrapper install)
	@for cmd in ${BINUTILS}; do \
	 if [ ! -e ${CROSSDIR}/usr/bin/$$cmd -a \
	 -e ${CROSSDIR}/usr/bin/${TARGET_CANON}-$$cmd ]; then \
	    ln -sf ${TARGET_CANON}-$$cmd ${CROSSDIR}/usr/bin/$$cmd ;\
	 elif [ -e ${CROSSDIR}/usr/bin/$$cmd -a \
	 ! -e ${CROSSDIR}/usr/bin/${TARGET_CANON}-$$cmd ]; then \
	    ln -sf $$cmd ${CROSSDIR}/usr/bin/${TARGET_CANON}-$$cmd; \
	 fi ;\
	 if [ -e ${CROSSDIR}/usr/bin/$$cmd -a \
	 ! -e ${CROSSDIR}/usr/${TARGET_CANON}/bin/$$cmd ]; then \
	    ln -sf ${CROSSDIR}/usr/bin/$$cmd \
	        ${CROSSDIR}/usr/${TARGET_CANON}/bin/$$cmd; \
	 fi ;\
	done
	@touch ${CROSSBINUTILS}

${CROSSGCC}:		${CROSSBINUTILS}
	(cd ${.CURDIR}/gnu/usr.bin/gcc; \
	    MAKEOBJDIR=obj.${MACHINE}.${TARGET} \
	    TARGET_ARCH=${TARGET_ARCH} CROSSDIR=${CROSSDIR} \
	    ${MAKE} -f Makefile.bsd-wrapper depend && \
	    MAKEOBJDIR=obj.${MACHINE}.${TARGET} \
	    TARGET_ARCH=${TARGET_ARCH} CROSSDIR=${CROSSDIR} \
	    ${MAKE} -f Makefile.bsd-wrapper all && \
	    DESTDIR=${CROSSDIR} MAKEOBJDIR=obj.${MACHINE}.${TARGET} \
	    ${MAKE} -f Makefile.bsd-wrapper install)
	ln -sf ${TARGET_CANON}-g++ ${CROSSDIR}/usr/bin/c++
	ln -sf ${CROSSDIR}/usr/libexec/cpp \
	    ${CROSSDIR}/usr/bin/cpp
	@touch ${CROSSGCC}

# XXX MAKEOBJDIR maybe should be obj.${TARGET} here, revisit later
cross-lib:	${CROSSGCC}
	MACHINE=${TARGET} MACHINE_ARCH=${TARGET_ARCH}; \
	export MACHINE MACHINE_ARCH; \
	(cd ${.CURDIR}/lib; \
	    for lib in csu libc; do \
	    (cd $$lib; \
	        eval ${CROSSENV} MAKEOBJDIR=obj.${MACHINE}.${TARGET} \
		    ${MAKE} WANTLINT=no depend all install); \
	    done; \
	    eval ${CROSSENV} MAKEOBJDIR=obj.${MACHINE}.${TARGET} \
	        SKIPDIR=\"${NO_CROSS} libocurses/PSD.doc\" \
	        ${MAKE} WANTLINT=no depend all install)

cross-bin:	${CROSSOBJ}
	MACHINE=${TARGET} MACHINE_ARCH=${TARGET_ARCH}; \
	export MACHINE MACHINE_ARCH; \
	for i in libexec bin sbin usr.bin usr.sbin; do \
	(cd ${.CURDIR}/$$i; \
	    eval ${CROSSENV} MAKEOBJDIR=obj.${MACHINE}.${TARGET} \
	        SKIPDIR=\"${BINUTILS} ${NO_CROSS}\" \
	        ${MAKE} depend all install); \
	done

cross-etc-root-var:	${CROSSOBJ}
	(cd ${.CURDIR}/etc && \
	    MACHINE=${TARGET} MACHINE_ARCH=${TARGET_ARCH} \
	    DESTDIR=${CROSSDIR} ${MAKE} distribution-etc-root-var)

cross-depend:
	@(cd ${.CURDIR} && \
	    BSDOBJDIR=${CROSSDIR}/usr/obj \
	    BSDSRCDIR=${.CURDIR} MAKEOBJDIR=obj.${MACHINE}.${TARGET} \
	    SKIPDIR="${NO_CROSS}" \
	    ${MAKE} depend)

cross-clean:
	@(cd ${.CURDIR} && \
	    BSDOBJDIR=${CROSSDIR}/usr/obj \
	    BSDSRCDIR=${.CURDIR} MAKEOBJDIR=obj.${MACHINE}.${TARGET} \
	    SKIPDIR="${NO_CROSS}" \
	    ${MAKE} clean)

cross-cleandir:
	@(cd ${.CURDIR} && \
	    BSDOBJDIR=${CROSSDIR}/usr/obj \
	    BSDSRCDIR=${.CURDIR} MAKEOBJDIR=obj.${MACHINE}.${TARGET} \
	    SKIPDIR="${NO_CROSS}" \
	    ${MAKE} cleandir)