#!/bin/sh

#   $Author: faust $
#   $Revision: 1.24 $
#   $Date: 2010/04/14 08:59:02 $
######################################################

OS=unknown
sys=`uname -s`
release=`uname -r | cut -b1`
BUILD_DIR=`pwd`
CONFFILE="../../Makefile.conf"
PREFIX="/"
BIN_MODE=0755
DATA_MODE=0644
DIR_MODE=0755
OWNER=root

if [ -z $1 ]
then
    MAKEOPTS="-j1"
else
    if [ "$1" = "debug" ]
    then
        DEFS="-DDEBUG"
        MAKEOPTS="-j1"
        CXXFLAGS="$CXXFLAGS -ggdb3 -W -Wall"
    else
        MAKEOPTS="-j1"
    fi
fi

CXXFLAGS="$CXXFLAGS -I/usr/local/include"
LDFLAGS="$CXXFLAGS -L/usr/local/lib"

if [ "$sys" = "Linux" ]
then
    OS=linux
    release=""
    MAKE="make"
fi

if [ "$sys" = "FreeBSD" ]
then
    case $release in
        4) OS=bsd;;
        5) OS=bsd5;;
        6) OS=bsd5;;
        7) OS=bsd7;;
        8) OS=bsd7;;
        *) OS=unknown;;
    esac
    MAKE="gmake"
fi

if [ "$OS" = "unknown" ]
then 
    echo "#############################################################################"
    echo "# Sorry, but sgauth currently supported by Linux, FreeBSD 4.x, 5.x, 6.x  #"
    echo "#############################################################################"
    exit 1
fi

echo "#############################################################################"
echo "       Building sgauth for $sys $release"
echo "#############################################################################"

STG_LIBS="crypto.lib 
	  common.lib 
	  conffiles.lib
	  ia.lib"

if [ "$OS" = "linux" ]
then
    DEFS="$DEFS -DLINUX"
    LIB_THREAD=-lpthread
    SHELL="/bin/bash"
else
    if [ "$OS" = "bsd" ]
    then
        DEFS="$DEFS -DFREE_BSD"
        LIB_THREAD=-lc_r
    else
        DEFS="$DEFS -DFREE_BSD5"
        if [ "$OS" = "bsd7" ]
        then
            LIB_THREAD=-lpthread
        else
            LIB_THREAD=-lc_r
        fi
    fi
    SHELL="/usr/local/bin/bash"
fi

if [ -z "$CC" ]
then
    CC=gcc
fi

if [ -z "$CXX" ]
then
    CXX=g++
fi

echo -n "Checking CC... "
$CC --version > /dev/null 2> /dev/null
if [ $? != 0 ]
then
    echo "FAIL!"
    echo "$CC not found"
    exit;
fi
echo "found"
echo -n "Checking CXX... "
$CXX --version > /dev/null 2> /dev/null
if [ $? != 0 ]
then
    echo "FAIL!"
    echo "$CXX not found"
    exit;
fi
echo "found"

echo -n "Checking endianess... "
echo "int main() { int probe = 0x00000001; return *(char *)&probe; }" > build_check.c
$CC $CXXFLAGS $LDFLAGS build_check.c -o fake > /dev/null 2> /dev/null
if [ $? != 0 ]
then
    echo "FAIL!"
    echo "Endianess checking failed"
    exit;
else
    ./fake
    if [ $? = 1 ]
    then
        ARCH=le
        CXXFLAGS="$CXXFLAGS -DARCH_LE"
        echo "Little Endian"
    else
        ARCH=be
        CXXFLAGS="$CXXFLAGS -DARCH_BE"
        echo "Big Endian"
    fi
fi
rm -f fake
rm -f build_check.c

echo "OS=$OS" > $CONFFILE
echo "STG_TIME=yes" >> $CONFFILE
echo "DIR_BUILD=$BUILD_DIR" >> $CONFFILE
echo "DIR_LIB=\$(DIR_BUILD)/../../lib" >> $CONFFILE
echo "DIR_LIBSRC=\$(DIR_BUILD)/../../stglibs" >> $CONFFILE
echo "DIR_INCLUDE=\$(DIR_BUILD)/../../include" >> $CONFFILE
echo "ARCH=$ARCH" >> $CONFFILE
echo "DEFS=$DEFS" >> $CONFFILE
echo -n "STG_LIBS=" >> $CONFFILE
for lib in $STG_LIBS
do
    echo -n "$lib " >> $CONFFILE
done
echo "" >> $CONFFILE
echo "LIB_THREAD=$LIB_THREAD" >> $CONFFILE
echo "SHELL=$SHELL" >> $CONFFILE
echo "CXXFLAGS=$CXXFLAGS" >> $CONFFILE
echo "CFLAGS=$CXXFLAGS" >> $CONFFILE
echo "LDFLAGS=$LDFLAGS" >> $CONFFILE
echo "PREFIX=$PREFIX" >> $CONFFILE
echo "BIN_MODE=$BIN_MODE" >> $CONFFILE
echo "DATA_MODE=$DATA_MODE" >> $CONFFILE
echo "DIR_MODE=$DIR_MODE" >> $CONFFILE
echo "OWNER=$OWNER" >> $CONFFILE
$MAKE $MAKEOPTS