configure

#! /bin/sh

CC="gcc"
CXX="g++"
CCFLAGS="$CCFLAGS -Wall -g"
OPTIM="$OPTIM -O3 -funroll-loops"
LINKLIBS="-lz -lbz2"
MAKE=make

# System-specific flags
SYSTEM=`uname -s`
case $SYSTEM in
  BeOS)
    CCFLAGS="$CCFLAGS -Wno-multichar"
    DEFINES="$DEFINES SYS_BEOS"
    LINKLIBS="$LINKLIBS -lbe -ltracker"

    RELEASE=`uname -r`
    case $RELEASE in
      6.0|5.0.4) # Zeta or R5 / BONE beta 7
        SYSTEM="$SYSTEM / BONE"
        LINKLIBS="$LINKLIBS -lbind -lsocket"
        ;;
      5.0*)      # R5 / net_server
        SYSTEM="$SYSTEM / net_server"
        DEFINES="$DEFINES BEOS_NETSERVER"
        LINKLIBS="$LINKLIBS -lnet"
        ;;
      *)
        echo "Unsupported BeOS version"
        exit 1 ;;
    esac
    ;;

  Darwin)
    DEFINES="$DEFINES SYS_DARWIN USE_PTHREAD"
    LINKLIBS="$LINKLIBS -lpthread"
    ;;

  FreeBSD)
    DEFINES="$DEFINES SYS_FREEBSD USE_PTHREAD"
    LINKLIBS="$LINKLIBS -pthread"
    ;;

  NetBSD)
    DEFINES="$DEFINES SYS_NETBSD USE_PTHREAD"
    LINKLIBS="$LINKLIBS -lpthread"
    ;;

  Linux)
    DEFINES="$DEFINES SYS_LINUX USE_PTHREAD _LARGEFILE_SOURCE _FILE_OFFSET_BITS=64"
    LINKLIBS="$LINKLIBS -lpthread -ldl"
    ;;

  CYGWIN*)
    DEFINES="$DEFINES SYS_CYGWIN USE_PTHREAD"
    LINKLIBS="$LINKLIBS -lpthread"
    ;;
  SunOS)
    DEFINES="$DEFINES SYS_SunOS USE_PTHREAD _LARGEFILE_SOURCE _FILE_OFFSET_BITS=64"
    LINKLIBS="$LINKLIBS -lpthread -lsocket -lnsl"
    ;;

  *)
    echo "Unsupported operating system"
    exit 1 ;;
esac
echo
echo "System: $SYSTEM"

# Check for endianness (we need to define WORDS_BIGENDIAN for libdvdread)
cat > testconf.c << EOF
int main()
{
    int i = 1;
    return *( (char *) &i );
}
EOF
if ( $CC -o testconf testconf.c && ./testconf ) > /dev/null 2>&1
then
  echo "Endian: big"
  DEFINES="$DEFINES WORDS_BIGENDIAN"
else
  echo "Endian: little"
fi
rm -f testconf.c testconf

#
# Use Gnu make when available over the built in make
#
if ( make --version | grep GNU ) > /dev/null 2>&1
then
MAKE=make
elif ( gmake --version | grep GNU ) > /dev/null 2>&1
then
MAKE=gmake
else
MAKE=make
fi

# Unless the user wants a release build, configure for SVN snapshots
if test "$1" = "--release" || test "$2" = "--release"; then
    SNAPSHOT=0
else
    SNAPSHOT=1
fi

# We fought the law and the law won
if test "$1" = "--libdvdcss" || test "$2" = "--libdvdcss"; then
    CSS=1
else
    CSS=0
fi

# Generating the HB_BUILD and HB_VERSION for snapshots requires
# the build date, working path, and current SVN revision. 
BUILD_DATE=`date +%Y%m%d`
FULL_PATH=`pwd`
SVN_REV=`svnversion`

# Generate config.jam
rm -f config.jam
cat << EOF > config.jam
CC       = $CC ;
C++      = $CXX ;
LINK     = $CXX ;
CCFLAGS  = $CCFLAGS ;
C++FLAGS = $CCFLAGS ;
OPTIM    = $OPTIM ;
DEFINES  = $DEFINES ;
LINKLIBS = $LINKLIBS ;
MAKE     = $MAKE ;
SNAPSHOT = $SNAPSHOT ;
BUILD_DATE = $BUILD_DATE ;
FULL_PATH = $FULL_PATH ;
SVN_REV = $SVN_REV ;
CSS      = $CSS ;
EOF

echo
echo "Don't run configure by hand, make runs it automatically."
echo
echo "No, really. That's it. Just type 'make' and hit return."
echo
echo "You're supposed to be building with make, not jam."
echo "If you were going to use jam--which you shouldn't--you'd run:"
echo " './jam' on a Mac, or"
echo " 'jam' on Linux or Windows"
echo
echo "To make jam, boil fruit with sugar and an acid until pectins are released."
echo