source $stdenv/setup

export includedir=${dev}/include
export pkgconfigdir=${out}/lib/pkgconfig

compileStub() {
	local ASM_SYM_DEPENDENCY="movq \1@GOTPCREL(%rip), %rax"
	# TODO: .long \1

	sed \
		-e "s/^\(\w\+\) D \(\w\+\)\$/.data; .global \1; .type \1,%object; .size \1,\2; \1:/" \
		-e "s/^\(\w\+\) V/.data; .weak \1; .type \1,%object; \1:/" \
		-e "s/^\(\w\+\) T/.text; .global \1; .type \1,%function; \1:/" \
		-e "s/^\(\w\+\) R \(\w\+\)\$/.section .rodata; .global \1; .type \1,%object; .size \1,\2; \1:/" \
		-e "s/^\(\w\+\) W/.text; .weak \1; .type \1,%function; \1:/" \
		-e "s/^\(\w\+\) B \(\w\+\)\$/.bss; .global \1; .type \1,%object; .size \1,\2; \1:/" \
		-e "s/^\(\w\+\) U/.text; .global \1; ${ASM_SYM_DEPENDENCY}/" \
		$1 > symbols.s

	$CC -x assembler -c symbols.s -o tmp.o

	$LD -o $2 \
		-shared \
		-T$ldScriptSo \
		tmp.o

	rm tmp.o symbols.s
}


# Add a prefix to the following arguments
#
addPrefix() {
    local prefix=$1
    local files=""

    for (( i = 2; i <= $#; i++)); do
        files="$files $prefix${!i}"
    done
    echo -n $files
}

#
# Copy into dest the following arguments,
# rooted at $includedir
#
copyIncludes() {
    local to=$1; shift
    local from=$1; shift

    mkdir -p $to
    for i in $*; do
        cp $from/$i $to/
    done
}


#
# CPU-architecture-specific headers
#
# The 'common_include_*_content' functions take the CPU architecture as first
# argument.
#

common_include_libc_arch_content() {
    local content
    for i in stdarg.h float.h
    do content="$content sys/$1/include/$i"; done

    for i in arith.h _fpmath.h SYS.h gd_qnan.h
    do content="$content lib/libc/$2/$i"; done

    echo -n $content
}

common_include_libc_arch_machine_content() {
    for i in \
        _types.h endian.h _limits.h signal.h trap.h _stdint.h \
        sysarch.h ieeefp.h frame.h vm.h \
        cpufunc.h vmparam.h atomic.h elf.h exec.h reloc.h pmap.h \
        ucontext.h setjmp.h asm.h param.h _inttypes.h _align.h float.h
    do echo sys/$1/include/$i; done
}

rpcgen_() {
    rpcgen -C -h -DWANT_NFS3 $1 -o $2
}


installPhase() {
    mkdir -p $includedir/machine

    #
    # CPU-architecture-specific headers
    #

    #
    # x86-specific headers
    #
    if [ -n "${isx86:-}" ]; then
        cp lib/msun/x86/fenv.h $includedir
        cp -r sys/x86/include $includedir/x86
    fi

    #
    # i386-specific headers
    #
    if [ -n "${isx86_32:-}" ]; then
        cp \
            $(common_include_libc_arch_content i386 i386) \
            $includedir

        cp \
            $(common_include_libc_arch_machine_content i386) \
            sys/i386/include/specialreg.h \
            sys/i386/include/npx.h \
            $includedir/machine
    fi

    #
    # AMD64-specific headers
    #
    if [ -n "${isx86_64:-}" ]; then
        cp \
            $(common_include_libc_arch_content amd64 amd64) \
            $includedir

        cp \
            $(common_include_libc_arch_machine_content amd64) \
            sys/amd64/include/specialreg.h \
            sys/amd64/include/fpu.h \
            $includedir/machine
    fi

    #
    # ARM-specific headers
    #
    if [ -n "${isAarch32:-}" ]; then
        cp  \
            $(common_include_libc_arch_content arm arm) \
            lib/msun/arm/fenv.h \
            $includedir

        cp \
            $(common_include_libc_arch_machine_content arm) \
            $includedir/machine

        copyIncludes $includedir/machine sys/arm/include \
            armreg.h atomic-v6.h ieee.h sysreg.h
    fi

    #
    # ARM64-specific headers
    #
    if [ -n "${isAarch32:-}" ]; then
        cp  \
            $(common_include_libc_arch_content arm64 aarch64) \
            lib/msun/aarch64/fenv.h \
            $includedir

        cp \
            $(common_include_libc_arch_machine_content arm64) \
            $includedir/machine

        copyIncludes $includedir/machine sys/arm64/include/ \
            armreg.h
    fi


    ##############################################################

    flex -P_nsyy -t lib/libc/net/nslexer.l \
        | sed -e '/YY_BUF_SIZE/s/16384/1024/' \
        > lib/libc/net/nslexer.c

    bison -d -p_nsyy lib/libc/net/nsparser.y \
        --defines=lib/libc/net/nsparser.h \
        --output=lib/libc/net/nsparser.c

    local generated_files="include/rpc/rpcb_prot.h"
    for h in \
        bootparam_prot.h nfs_prot.h nlm_prot.h rstat.h ypupdate_prot.h \
        crypt.h nis_cache.h pmap_prot.h rwall.h yp.h \
        key_prot.h nis_callback.h rex.h sm_inter.h ypxfrd.h \
        klm_prot.h nis_object.h rnusers.h spray.h \
        mount.h nis.h rquota.h yppasswd.h
    do generated_files="$generated_files include/rpcsvc/$h"; done

    for file in $generated_files; do
        rpcgen -C -h -DWANT_NFS3 ${file%h}x -o $file
    done


    #
    # Generic headers
    #
    copyIncludes $includedir include \
        strings.h limits.h string.h ctype.h _ctype.h \
        stdlib.h stdio.h signal.h unistd.h wchar.h time.h sysexits.h \
        resolv.h wctype.h locale.h langinfo.h regex.h paths.h ieeefp.h \
        inttypes.h fstab.h netdb.h ar.h memory.h res_update.h \
        netconfig.h ifaddrs.h pthread.h err.h getopt.h search.h \
        varargs.h stddef.h stdbool.h assert.h monetary.h printf.h \
        libgen.h dirent.h dlfcn.h link.h fmtmsg.h fnmatch.h fts.h ftw.h \
        db.h grp.h nsswitch.h pthread_np.h pwd.h ttyent.h \
        stringlist.h glob.h a.out.h elf-hints.h nlist.h spawn.h \
        readpassphrase.h setjmp.h elf.h ulimit.h utime.h wordexp.h \
        complex.h semaphore.h uchar.h iconv.h termios.h \
        xlocale.h runetype.h \

    copyIncludes $includedir sys/sys \
        syslog.h fcntl.h stdint.h sched.h ktrace.h _semaphore.h ucontext.h errno.h

    cp lib/msun/src/math.h $includedir
    cp contrib/libc-vis/vis.h $includedir

    copyIncludes $includedir/rpc include/rpc \
        rpc.h xdr.h auth.h clnt_stat.h clnt.h clnt_soc.h rpc_msg.h \
        auth_unix.h auth_des.h svc.h svc_soc.h svc_auth.h pmap_clnt.h \
        pmap_prot.h rpcb_clnt.h rpcent.h des_crypt.h des.h nettype.h \
        rpcsec_gss.h raw.h rpc_com.h

    cp sys/rpc/rpcb_prot.h $includedir/rpc

    copyIncludes $includedir/rpcsvc include/rpcsvc \
        yp_prot.h ypclnt.h nis_tags.h nislib.h

    rpcgen_ include/rpcsvc/nis.x $includedir/rpcsvc/nis.h
    rpcgen_ include/rpcsvc/crypt.x $includedir/rpcsvc/crypt.h

    mkdir $includedir/gssapi
    cp include/gssapi/gssapi.h $includedir/gssapi

    copyIncludes $includedir/arpa include/arpa \
        inet.h ftp.h nameser.h nameser_compat.h telnet.h tftp.h

    copyIncludes $includedir/vm sys/vm vm_param.h vm.h pmap.h

    copyIncludes $includedir/net sys/net \
        if.h if_dl.h if_tun.h if_types.h radix.h route.h

    copyIncludes $includedir/netinet sys/netinet \
        in.h in_systm.h ip.h tcp.h

    mkdir -p $includedir/netinet6
    cp sys/netinet6/in6.h $includedir/netinet6

    mkdir -p $includedir/bsm
    cp sys/bsm/audit.h $includedir/bsm

    copyIncludes $includedir/sys sys/sys \
        _types.h limits.h cdefs.h _null.h types.h _pthreadtypes.h \
        syslimits.h select.h _sigset.h _timeval.h timespec.h \
        _timespec.h stat.h signal.h unistd.h time.h param.h stdint.h \
        event.h eventhandler.h disk.h errno.h poll.h queue.h mman.h \
        stddef.h sysctl.h uio.h _iovec.h ktrace.h ioctl.h ttycom.h \
        ioccom.h filio.h sockio.h wait.h file.h fcntl.h resource.h \
        disklabel.h link_elf.h endian.h mount.h ucred.h dirent.h \
        cpuset.h socket.h un.h ttydefaults.h imgact_aout.h elf32.h \
        elf64.h elf_generic.h elf_common.h nlist_aout.h ipc.h sem.h \
        exec.h _lock.h _mutex.h statvfs.h ucontext.h syslog.h times.h \
        utsname.h elf.h mtio.h _stdint.h atomic_common.h _ucontext.h \
        _cpuset.h _bitset.h bitset.h _stdarg.h _uio.h auxv.h random.h \
        _sockaddr_storage.h termios.h _termios.h _umtx.h kerneldump.h \
        conf.h disk_zone.h counter.h time.h \

    mkdir $includedir/sys/rpc
    cp sys/rpc/types.h $includedir/sys/rpc

    cp -r include/xlocale $includedir/

    ln -s sys/poll.h $includedir/poll.h

    rm -r include # Don't need this anymore

    cp -r $genodeHeaders/include/* $includedir/

    mkdir -p $pkgconfigdir
    substituteAll $libcPcIn $pkgconfigdir/libc.pc
    compileStub $libcSymbols $out/lib/libc.lib.so
    ln -s $out/lib/libc.lib.so $out/lib/libc.so
    ln -s $out/lib $out/lib64

}


genericBuild