#
# $Id: compile.in,v 1.39 2004/02/03 22:59:10 jmmv Exp $
# C/C++ code compilation functions.
#
# 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.
#

BT_TARGET_VARS+="BT_FLAGS_CPP BT_FLAGS_CC BT_FLAGS_CXX"

btown_compile_parse_args() {
    local arg=
    local res=
    local obj= src=
    local flags_D= flags_I= flags_O= flags_W= flags_other= flags_unknown=

    [ -n "${LogFile}" ] && echo "[compile: original call] $*" >> ${LogFile}

    while [ $# -gt 0 ]; do
        arg=$(echo ${1} | sed -e 's|"|\\"|g')
        case ${arg} in
            -D*)
                flags_D+=${arg}
                ;;

            -I*)
                arg=$(echo ${arg} | sed -e s/-I//)
                [ -d ${arg} ] && flags_I="${flags_I} -I$(cd ${arg} && pwd)"
                ;;

            -L*|-l*|-Wl*)
                ;;

            -O*)
                flags_O+=${arg}
                ;;

            -W*)
                flags_W+=${arg}
                ;;

            -c)
                ;;

            -g)
                flags_other+=${arg}
                ;;

            -o)
                obj=${2}; shift
                ;;

            *)
                if echo ${arg} | grep '^-' >/dev/null; then
                    btcmn_warn "compile: passing unhandled option \`${arg}'"
                    flags_unknown+=${arg}
                else
                    src=${arg}
                fi
                ;;
        esac
        shift
    done

    if echo ${obj} | grep '.po$' >/dev/null; then
        flags_other+=${BT_LIB_PIC_COMPILE_PREARGS}
    fi

    res="${flags_D} ${flags_I} ${flags_W} ${flags_O} ${flags_other} ${flags_unknown} -o ${obj} -c ${src}" # NOLINT
    [ -n "${LogFile}" ] && \
        echo "[compile: call rewrote as] ${res}" >> ${LogFile}
    echo ${res}
}

bt_compile_c() {
    local cmd

    [ -z ${BT_PROG_CC} ] && btcmn_err \
        "compile: no C compiler available (BT_PROG_CC is not set)" \
        "         add a call to bt_check_env_c in your config script"

    cmd="${BT_PROG_CC} $(btown_compile_parse_args $*)"
    echo "[compile] ${cmd}"
    ${cmd} || bt_die
}

bt_compile_cxx() {
    local cmd

    [ -z ${BT_PROG_CXX} ] && btcmn_err \
        "compile: no C++ compiler available (BT_PROG_CXX is not set)" \
        "         add a call to bt_check_env_c in your config script"

    cmd="${BT_PROG_CXX} $(btown_compile_parse_args $*)"
    echo "[compile] ${cmd}"
    ${cmd} || bt_die
}

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