# $FreeBSD$
#
# This is logic for common headers shared inside of gnu/lib.  It used to
# live in gnu/usr.bin/cc/cc_tools/Makefile.

.if !defined(TARGET_CPUARCH) || !defined(GCC_CPU)
.error ${.CURDIR}: Must include gnu/usr.bin/cc/Makefile.tgt first.
.endif

#
# The list of headers to go into tm.h
#
TARGET_INC+=	options.h
.if ${TARGET_CPUARCH} == "amd64"
TARGET_INC+=	i386/biarch64.h
.endif
.if ${TARGET_CPUARCH} != "arm"
TARGET_INC+=	${GCC_CPU}/${GCC_CPU}.h
.endif
.if ${TARGET_CPUARCH} == "i386" || ${TARGET_CPUARCH} == "amd64"
TARGET_INC+=	${GCC_CPU}/unix.h
TARGET_INC+=	${GCC_CPU}/att.h
.endif
TARGET_INC+=	dbxelf.h
TARGET_INC+=	elfos-undef.h
TARGET_INC+=	elfos.h
TARGET_INC+=	freebsd-native.h
TARGET_INC+=	freebsd-spec.h
TARGET_INC+=	freebsd.h
.if ${TARGET_CPUARCH} != "i386" && ${TARGET_CPUARCH} != "amd64"
. if exists(${GCCDIR}/config/${GCC_CPU}/sysv4.h)
TARGET_INC+=	${GCC_CPU}/sysv4.h
. endif
.endif
.if ${TARGET_CPUARCH} == "amd64"
TARGET_INC+=	${GCC_CPU}/x86-64.h
.endif
.if ${TARGET_CPUARCH} == "arm" || ${TARGET_CPUARCH} == "mips"
TARGET_INC+=	${GCC_CPU}/elf.h
.endif
.if ${TARGET_CPUARCH} == "arm"
TARGET_INC+=	${GCC_CPU}/aout.h
TARGET_INC+=	${GCC_CPU}/bpabi.h
.endif
.if ${TARGET_ARCH} == "powerpc64"
TARGET_INC+=	${GCC_CPU}/biarch64.h
TARGET_INC+=    ${GCC_CPU}/default64.h
.endif
TARGET_INC+=	${GCC_CPU}/freebsd.h
.if ${TARGET_CPUARCH} == "amd64"
TARGET_INC+=	${GCC_CPU}/freebsd64.h
.endif
.if ${TARGET_CPUARCH} == "arm"
TARGET_INC+=	${GCC_CPU}/arm.h
.endif
TARGET_INC+=	defaults.h

#
# Option files.
#
OPT_FILES=	c.opt common.opt

.if exists(${GCCDIR}/config/${GCC_CPU}/${GCC_CPU}.opt)
OPT_FILES+=	${GCCDIR}/config/${GCC_CPU}/${GCC_CPU}.opt
.endif

.if exists(${.CURDIR}/${GCC_CPU}-freebsd.opt)
OPT_FILES+=	${.CURDIR}/${GCC_CPU}-freebsd.opt
.endif

.if ${TARGET_CPUARCH} == "powerpc"
OPT_FILES+=	${GCCDIR}/config/${GCC_CPU}/sysv4.opt
.endif

.if ${TARGET_CPUARCH} == "sparc64"
OPT_FILES+=	${GCCDIR}/config/${GCC_CPU}/long-double-switch.opt
.endif

.if exists(${.CURDIR}/freebsd.opt)
OPT_FILES+=	${.CURDIR}/freebsd.opt
.endif


# Options
optionlist: ${OPT_FILES}
	LC_ALL=C awk -f ${GCCDIR}/opt-gather.awk ${.ALLSRC} > ${.TARGET}

options.h:	optionlist
	LC_ALL=C awk -f ${GCCDIR}/opt-functions.awk \
	    -f ${GCCDIR}/opth-gen.awk \
		< ${.ALLSRC} > ${.TARGET}

options.c:	optionlist
	LC_ALL=C awk -f ${GCCDIR}/opt-functions.awk \
	    -f ${GCCDIR}/optc-gen.awk \
		-v header_name="config.h system.h coretypes.h tm.h" \
		< ${.ALLSRC} > ${.TARGET}

# Target machine config
tm.h:
	TARGET_CPU_DEFAULT="${TARGET_CPU_DEFAULT}" \
	HEADERS="${TARGET_INC}" \
	DEFINES="" \
	/bin/sh ${GCCDIR}/mkconfig.sh ${.TARGET}
.if exists(${GCCDIR}/config/${GCC_CPU}/${GCC_CPU}-modes.def)
	echo '#define EXTRA_MODES_FILE "${GCC_CPU}/${GCC_CPU}-modes.def"' >> ${.TARGET}
.endif

# tconfig.h
tconfig.h:
	TARGET_CPU_DEFAULT="${TARGET_CPU_DEFAULT}" \
	HEADERS="auto-host.h ansidecl.h" \
	DEFINES="USED_FOR_TARGET" \
	/bin/sh ${GCCDIR}/mkconfig.sh ${.TARGET}

# Version header for gcov
gcov-iov.h:
	echo "#define GCOV_VERSION ((gcov_unsigned_t)0x34303270)" >> ${.TARGET}

# Linked headers
gthr-default.h: ${GCCDIR}/gthr-posix.h .NOMETA
	ln -sf ${.ALLSRC} ${.TARGET}

.if ${TARGET_CPUARCH} == "arm"
unwind.h: ${GCCDIR}/config/arm/unwind-arm.h
.else
unwind.h: ${GCCDIR}/unwind-generic.h
.endif

unwind.h: .NOMETA
	ln -sf ${.ALLSRC} ${.TARGET}