#
# $Id: out.in,v 1.9 2004/05/14 15:28:47 jmmv Exp $
# Generate files used by bt_swcgen at runtime.
#
# buildtool
# Copyright (c) 2003, 2004 Julio M. Merino Vidal.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in
#    the documentation and/or other materials provided with the
#    distribution.
# 3. Neither the name of the author nor the names of contributors may
#    be used to endorse or promote products derived from this software
#    without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS''
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
# PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR
# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
# USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
# OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#

generate_out_conf() {
    local src="$1" dest="$2"

    rm -f ${dest}
    Mode=conf . ${src} >> ${dest}
}

generate_out_script() {
    local src="$1" dest="$2"

    cat >${dest} <<EOF
config() {
    TIMESTAMP="$(date)"
    bt_subst TIMESTAMP

EOF

    Mode=script . ${src} >> ${dest}

    cat >>${dest} <<EOF
    bt_subst_cache
    bt_generate_output
}
EOF
}

varname() {
    echo $* | swcase -ud
}

printconf() {
    echo ": \${$1:=\"@$1@\"}"
}

bt_cache_attribute() {
    case ${Mode} in
        conf)
            printconf BT_HAVE_KEYWORD_C_ATTRIBUTE
            printconf BT_HAVE_KEYWORD_CXX_ATTRIBUTE
            ;;
        script)
            echo bt_check_attribute_c
            echo bt_check_attribute_cxx
            ;;
    esac
}

__GNUC_WARN="-Wall -Wstrict-prototypes -Wmissing-prototypes \
             -Wpointer-arith -Wreturn-type -Wswitch \
             -Wcast-qual -Wwrite-strings"

bt_cache_env() {
    local flag

    while [ $# -gt 0 ]; do
        case ${Mode} in
            conf)
                case $1 in
                    c)
                        bt_cache_prog cc
                        for flag in -g ${__GNUC_WARN}; do
                            printconf BT_PROG_HAVE_FLAG_C_$(varname ${flag})
                        done
                        ;;
                    cxx)
                        bt_cache_prog cxx
                        for flag in -g ${__GNUC_WARN}; do
                            printconf BT_PROG_HAVE_FLAG_CXX_$(varname ${flag})
                        done
                        ;;
                esac
                ;;
            script)
                echo bt_check_env_$1
                ;;
        esac
        shift
    done

    if [ ${Mode} = conf ]; then
        bt_cache_prog cpp ld
        bt_cache_hdr stdio.h sys/types.h sys/stat.h stdlib.h string.h unistd.h
        bt_cache_lib_howto
    fi
}

bt_cache_func() {
    while [ $# -gt 0 ]; do
        case ${Mode} in
            conf)
                printconf BT_HAVE_FUNC_C_$(varname $1)
                printconf BT_HAVE_FUNC_CXX_$(varname $1)
                ;;
            script)
                echo "bt_check_func_c $1"
                echo "bt_check_func_cxx $1"
                ;;
        esac
        shift
    done
}

bt_cache_hdr() {
    while [ $# -gt 0 ]; do
        case ${Mode} in
            conf)
                printconf BT_HAVE_HDR_C_$(varname $1)
                printconf BT_HAVE_HDR_CXX_$(varname $1)
                ;;
            script)
                echo "bt_check_hdr_c $1"
                echo "bt_check_hdr_cxx $1"
                ;;
        esac
        shift
    done
}

bt_cache_lib() {
    while [ $# -gt 0 ]; do
        case ${Mode} in
            conf)
                printconf BT_HAVE_LIB_C_$(varname $1)
                printconf BT_HAVE_LIB_CXX_$(varname $1)
                ;;
            script)
                echo "bt_check_lib_c $1"
                echo "bt_check_lib_cxx $1"
                ;;
        esac
        shift
    done
}

bt_cache_lib_howto() {
    case ${Mode} in
        conf)
            bt_cache_prog ar ranlib
            printconf BT_LIB_MKPIC
            printconf BT_LIB_MKSTATIC
            printconf BT_LIB_PIC_COMPILE_PREARGS
            printconf BT_LIB_PIC_SONAME
            printconf BT_LIB_PIC_LINK_PREARGS
            printconf BT_LIB_PIC_LINK_POSTARGS
            printconf BT_LINK_FLAG_RPATH
            printconf BT_LINK_FLAG_EXPORTDYNAMIC
            ;;
        script)
            echo bt_check_lib_howto
            ;;
    esac
}

bt_cache_prog() {
    while [ $# -gt 0 ]; do
        case ${Mode} in
            conf)
                case $1 in
                    cc)
                        printconf BT_PROG_CC
                        printconf BT_PROG_CC_NAME
                        printconf BT_PROG_CC_VERSION
                        ;;
                    cxx)
                        printconf BT_PROG_CXX
                        printconf BT_PROG_CXX_NAME
                        printconf BT_PROG_CXX_VERSION
                        ;;
                    info)
                        printconf BT_PROG_MAKEINFO
                        printconf BT_PROG_INSTALLINFO
                        ;;
                    lex)
                        printconf BT_PROG_LEX
                        printconf BT_LIBS_LEX
                        ;;
                    make)
                        printconf BT_PROG_MAKE
                        printconf BT_PROG_MAKE_TYPE
                        ;;
                    *)
                        printconf BT_PROG_$(varname $1)
                        ;;
                esac
                ;;
            script)
                case $1 in
                    cc|cxx|info|lex|make)
                        echo "bt_check_prog_$1"
                        ;;
                    *)
                        echo "bt_check_progs BT_PROG_$(varname $1) $1"
                        ;;
                esac
                ;;
        esac
        shift
    done
}

bt_cache_sizeof() {
    while [ $# -gt 0 ]; do
        case ${Mode} in
            conf)
                printconf BT_SIZEOF_C_$(varname $1)
                printconf BT_SIZEOF_CXX_$(varname $1)
                ;;
            script)
                echo "bt_check_sizeof_c \"$1\""
                echo "bt_check_sizeof_cxx \"$1\""
                ;;
        esac
        shift
    done
}

bt_cache_type() {
    while [ $# -gt 0 ]; do
        case ${Mode} in
            conf)
                printconf BT_HAVE_TYPE_C_$(varname $1)
                printconf BT_HAVE_TYPE_CXX_$(varname $1)
                ;;
            script)
                echo "bt_check_type_c $1"
                echo "bt_check_type_cxx $1"
                ;;
        esac
        shift
    done
}

bt_echo() {
    [ ${Mode} = conf ] || return
    while [ ${#} -gt 0 ]; do
        echo "${1}"
        shift
    done
}

bt_source() {
    [ ${Mode} = conf ] || return
    if [ ${#} -gt 0 ]; then
        while [ ${#} -gt 0 ]; do
            cat ${1}
            shift
        done
    else
        cat
    fi
}

# Local Variables: ***
# mode: shell-script ***
# End: ***
# vim: syntax=sh