#!/bin/bash

Pause()
{
  echo -n Press Enter to continue or Ctrl+C to abort...
  read contscr
  echo ' '
}

ComputeTecUname()
{
  # Base Definitions
  TEC_SYSNAME=`uname -s`
  TEC_SYSVERSION=`uname -r|cut -f1 -d.`
  TEC_SYSMINOR=`uname -r|cut -f2 -d.`
  TEC_SYSARCH=`uname -m`

  # Fixes
  if [ $TEC_SYSNAME == SunOS ]; then
    TEC_SYSARCH=`uname -p`
  fi
  if [ $TEC_SYSNAME == IRIX ]; then
    TEC_SYSARCH=`uname -p`
  fi
  if [ $TEC_SYSNAME == FreeBSD ]; then
    TEC_SYSMINOR=`uname -r|cut -f2 -d.|cut -f1 -d-`
  fi
  if [ $TEC_SYSNAME == GNU/kFreeBSD ]; then
    TEC_SYSNAME=kFreeBSD
    TEC_SYSMINOR=`uname -r|cut -f2 -d.|cut -f1 -d-`
  fi
  if [ $TEC_SYSNAME == AIX ]; then
    TEC_SYSVERSION=`uname -v`
    TEC_SYSMINOR=`uname -r`
    TEC_SYSARCH=ppc
  fi
  if [ $TEC_SYSNAME == Darwin ]; then
    TEC_SYSNAME=MacOS
    TEC_SYSVERSION=`sw_vers -productVersion|cut -f1 -d.`
    TEC_SYSMINOR=`sw_vers -productVersion|cut -f2 -d.`
    TEC_SYSARCH=`uname -p`
  fi
 
  if [ $TEC_SYSARCH == i686 ]; then
    TEC_SYSARCH=x86
  fi
  if [ $TEC_SYSARCH == i386 ]; then
    TEC_SYSARCH=x86
  fi
  if [ $TEC_SYSARCH == powerpc ]; then
    TEC_SYSARCH=ppc
  fi
  if [ $TEC_SYSARCH == x86_64 ]; then
    TEC_SYSARCH=x64
  fi
  if [ $TEC_SYSARCH == amd64 ]; then
    TEC_SYSARCH=x64
  fi
  
  # Compose
  TEC_UNAME=$TEC_SYSNAME$TEC_SYSVERSION$TEC_SYSMINOR

  # Cygwin
  CYGW=`uname -s|cut -f1 -d-`
  if [ $CYGW == CYGWIN_NT ]; then
    TEC_SYSNAME=CYGWIN
    TEC_UNAME='cygw'$TEC_SYSVERSION$TEC_SYSMINOR
  fi
  
  # Linux 2.4 and GCC 3.x
  if [ $TEC_UNAME == Linux24 ]; then
    GCCVER=`gcc -dumpversion|cut -f1 -d.`
    if [ $GCCVER == 3 ]; then
      TEC_UNAME=$TEC_UNAME'g3'
    fi
  fi

  # Linux 2.6 and GCC 4.x
  if [ $TEC_UNAME == Linux26 ]; then
    GCCVER=`gcc -dumpversion|cut -f1 -d.`
    if [ $GCCVER == 4 ]; then
      TEC_UNAME=$TEC_UNAME'g4'
    fi
  fi

  if [ $TEC_SYSNAME == Linux ]; then
    # Linux and PowerPC
    if [ $TEC_SYSARCH == ppc ]; then
      TEC_UNAME=$TEC_UNAME'ppc'
    fi

    # 64-bits Linux
    if [ $TEC_SYSARCH == x64 ]; then
      BUILD_64=Yes
      TEC_UNAME=$TEC_UNAME'_64'
    fi

    # Itanium Linux
    if [ $TEC_SYSARCH == ia64 ]; then
      BUILD_64=Yes
      TEC_UNAME=$TEC_UNAME'_ia64'
    fi
    
    # Linux Distribution
    TEC_DISTNAME=`lsb_release -is`
    TEC_DISTVERSION=`lsb_release -rs|cut -f1 -d.`
    TEC_DIST=$TEC_DISTNAME$TEC_DISTVERSION
  fi

  # 64-bits FreeBSD
  if [ $TEC_SYSNAME == FreeBSD ]; then
    if [ $TEC_SYSARCH == x64 ]; then
      BUILD_64=Yes
      TEC_UNAME=$TEC_UNAME'_64'
    fi
  fi

  # Solaris and Intel
  if [ $TEC_SYSNAME == SunOS ]; then
    if [ $TEC_SYSARCH == x86 ]; then
      TEC_UNAME=$TEC_UNAME'x86'
    fi
  fi

  # MacOS and Intel
  if [ $TEC_SYSNAME == MacOS ]; then
    if [ $TEC_SYSMINOR == 5 ]; then
      if [ $TEC_SYSARCH == x86 ]; then
        TEC_UNAME=$TEC_UNAME'x86'
      fi
    else
      if [ $TEC_SYSMINOR == 4 ]; then
        if [ $TEC_SYSARCH == x86 ]; then
          TEC_UNAME=$TEC_UNAME'x86'
        fi
      else
        TEC_SYSARCH=x64
      fi
    fi
  fi
}

ComputeSystemPaths()
{
  if [ $TEC_SYSARCH == x64 ]; then
    if [ -d /usr/lib64 ]; then
      TEC_SYSTEM_LIB=/usr/lib64
    else
      TEC_SYSTEM_LIB=/usr/lib
    fi
  else
    TEC_SYSTEM_LIB=/usr/lib
  fi

  TEC_SYSTEM_INC=/usr/include
  
  if [ $TEC_SYSNAME == Haiku ]; then
    TEC_SYSTEM_LIB=`finddir B_SYSTEM_LIB_DIRECTORY`
    TEC_SYSTEM_INC=`finddir B_SYSTEM_HEADERS_DIRECTORY`
  fi

  TEC_LUA_LIB=$TEC_SYSTEM_LIB/lua/$LUA_VER
}

ComputeLuaVersion()
{
  if [ -n "$USE_LUA51" ]; then
    LUA_VER=5.1
    LUA_SFX=51
  fi

  if [ -n "$USE_LUA52" ]; then
    LUA_VER=5.2
    LUA_SFX=52
  fi
  
  if [ -n "$USE_LUA53" ]; then
    LUA_VER=5.3
    LUA_SFX=53
  fi

  # Default Lua version  
  if [ -z "$LUA_VER" ]; then
    LUA_VER=5.1
    LUA_SFX=51
  fi
}

PrintInfo()
{
  echo ' '
  echo '  Info:'
  echo 'TEC_SYSNAME='$TEC_SYSNAME
  echo 'TEC_SYSVERSION='$TEC_SYSVERSION
  echo 'TEC_SYSMINOR='$TEC_SYSMINOR
  echo 'TEC_SYSARCH='$TEC_SYSARCH
  echo 'TEC_SYSTEM_LIB='$TEC_SYSTEM_LIB
  echo 'TEC_SYSTEM_INC='$TEC_SYSTEM_INC
}