#
# $Id: envs.in,v 1.5 2003/09/26 17:03:32 jmmv Exp $
# Detect language environments.
#
# buildtool
# Copyright (c) 2003 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.
#

# --------------------------------------------------------------------
# Language environments
# --------------------------------------------------------------------

bt_define_ml_check bt_check_env

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

bt_check_env_c() {
    local lang wflag

    [ ${BT_ENV_C:-NULL} != NULL ] && return
    lang=${Language}
    bt_language_select c

    bt_check_prog_cc
    bt_check_prog_cpp
    bt_check_prog_ld
    bt_check_hdr_std_c

    bt_language_select ${lang}
    BT_ENV_C=yes

    if [ $(echo ${BT_FEATURE_DEVELOPER} | swcase -ld) = yes ]; then
        if [ ${BT_PROG_CC_NAME} = gnu ]; then
            for wflag in -g ${__GNUC_WARN} ${BT_FLAGS_CC_WARN}; do
                bt_check_prog_cc_flag ${wflag} && \
                    BT_FLAGS_CC+=${wflag}
            done
        fi
    fi

    bt_check_lib_howto
    bt_check_prog_depgen
}

bt_check_env_cxx() {
    local lang wflag

    [ ${BT_ENV_CXX:-NULL} != NULL ] && return
    lang=${Language}
    bt_language_select cxx

    bt_check_prog_cxx
    bt_check_prog_cpp
    bt_check_prog_ld
    bt_check_hdr_std_cxx

    bt_language_select ${lang}
    BT_ENV_CXX=yes

    if [ $(echo ${BT_FEATURE_DEVELOPER} | swcase -ld) = yes ]; then
        if [ ${BT_PROG_CXX_NAME} = gnu ]; then
            for wflag in -g ${__GNUC_WARN} ${BT_FLAGS_CXX_WARN}; do
                bt_check_prog_cxx_flag ${wflag} && \
                    BT_FLAGS_CXX+=${wflag}
            done
        fi
    fi

    bt_check_lib_howto
    bt_check_prog_depgen
}

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