#! /bin/sh

# For > 2 GB files
DEFINES="_FILE_OFFSET_BITS=64 _LARGEFILE_SOURCE"

# For asprintf
DEFINES="$DEFINES _GNU_SOURCE"

# System-specific flags
SYSTEM=`uname -s`
case $SYSTEM in
  BeOS)
    DEFINES="$DEFINES SYS_BEOS"

    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="$DEFINES SYS_DARWIN"
    LINKLIBS="$LINKLIBS -lpthread"
    ;;

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

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

  Linux)
    DEFINES="$DEFINES SYS_LINUX"
    LINKLIBS="$LINKLIBS -lpthread"
    ;;

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

# Check for OpenSSL
cat > testconf.c << EOF
#include <stdio.h>
#include <openssl/sha.h>
int main()
{
    SHA1( 0, 0, 0 );
}
EOF
if cc -o testconf testconf.c -lcrypto > /dev/null 2>&1
then
  echo "OpenSSL: yes"
  DEFINES="$DEFINES HAVE_OPENSSL"
  LINKLIBS="$LINKLIBS -lcrypto"
else
  echo "OpenSSL: no, using built-in SHA1 implementation"
fi
rm -f testconf.c testconf

# Generate config.jam
rm -f config.jam
cat << EOF > config.jam
DEFINES  = $DEFINES ;
LINKLIBS = $LINKLIBS ;
EOF

echo
echo "To build Transmission, run 'jam'."