#!echo "This is not a shell script"
#
# Copyright 2006 Sun Microsystems, Inc.  All Rights Reserved.
# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
#
# This code is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License version 2 only, as
# published by the Free Software Foundation.
#
# This code is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
# version 2 for more details (a copy is included in the LICENSE file that
# accompanied this code).
#
# You should have received a copy of the GNU General Public License version
# 2 along with this work; if not, write to the Free Software Foundation,
# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
#
# Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
# CA 95054 USA or visit www.sun.com if you need additional information or
# have any questions.
#  
#

#############################################################################
# Error
error() # message
{
  echo "ERROR: $1"
  exit 6
}
# Directory must exist
dirMustExist() # dir name
{
  if [ ! -d "$1" ] ; then
    error "Directory for $2 does not exist: $1"
  fi
}
# File must exist
fileMustExist() # dir name
{
  if [ ! -f "$1" ] ; then
    error "File for $2 does not exist: $1"
  fi
}
#############################################################################

# Should be set by JPRT as the 3 basic inputs
bootdir="${ALT_BOOTDIR}"
slashjava="${ALT_SLASH_JAVA}"
jdk_import="${ALT_JDK_IMPORT_PATH}"

# Check input
dirMustExist "${bootdir}"    ALT_BOOTDIR
dirMustExist "${slashjava}"  ALT_SLASH_JAVA
dirMustExist "${jdk_import}" ALT_JDK_IMPORT_PATH

# Uses 'uname -s', but only expect SunOS or Linux, assume Windows otherwise.
osname=`uname -s`
if [ "${osname}" = SunOS ] ; then
   
    # SOLARIS: Sparc or X86
    osarch=`uname -p`
    if [ "${osarch}" = sparc ] ; then
	solaris_arch=sparc
    else
	solaris_arch=i386
    fi

    # Get the SS11 compilers into path (make sure it matches ALT setting)
    compiler_path=${slashjava}/devtools/${solaris_arch}/SUNWspro/SS11/bin
    dirMustExist "${compiler_path}" COMPILER_PATH
    path4sdk=${compiler_path}

    # Add basic solaris system paths
    path4sdk=${path4sdk}:/usr/ccs/bin:/usr/ccs/lib:/usr/bin:/bin:/usr/sfw/bin

    # Get the previous JDK to be used to bootstrap the build
    path4sdk=${bootdir}/bin:${path4sdk}

    # Find GNU make
    make=/usr/sfw/bin/gmake
    if [ ! -f ${make} ] ; then
	make=/opt/sfw/bin/gmake
	if [ ! -f ${make} ] ; then
	    make=${slashjava}/devtools/${solaris_arch}/bin/gnumake
        fi 
    fi
    fileMustExist "${make}" make

    # File creation mask
    umask 002

elif [ "${osname}" = Linux ] ; then
   
    # LINUX: X86, AMD64
    osarch=`uname -m`
    if [ "${osarch}" = i686 ] ; then
	linux_arch=i586
    elif [ "${osarch}" = x86_64 ] ; then
	linux_arch=amd64
    fi

    # Get the compilers into path (make sure it matches ALT setting)
    compiler_path=/usr/bin
    dirMustExist "${compiler_path}" COMPILER_PATH
    path4sdk=${compiler_path}
    
    # Add basic paths
    path4sdk=${path4sdk}:/usr/bin:/bin:/usr/sbin:/sbin

    # Get the previous JDK to be used to bootstrap the build
    path4sdk=${bootdir}/bin:${path4sdk}
    
    # Find GNU make
    make=/usr/bin/make
    fileMustExist "${make}" make

    umask 002

else

    # Windows: Differs on CYGWIN vs. MKS, and the compiler available.
    #   Also, blanks in pathnames gives GNU make headaches, so anything placed
    #   in any ALT_* variable should be the short windows dosname.
   
    # WINDOWS: Install and use MKS or CYGWIN (should have already been done)
    #   Assumption here is that you are in a shell window via MKS or cygwin.
    #   MKS install should have defined the environment variable ROOTDIR.
    #   We also need to figure out which one we have: X86, AMD64
    if [ "`echo ${PROCESSOR_IDENTIFIER} | fgrep AMD64`" != "" ] ; then
	windows_arch=amd64
    else
	windows_arch=i586
    fi
    
    # We need to determine if we are running a CYGWIN shell or an MKS shell
    #    (if uname isn't available, then it will be unix_toolset=unknown)
    unix_toolset=unknown
    if [ "`uname -a | fgrep Cygwin`" = "" -a -d "${ROOTDIR}" ] ; then
        # We kind of assume ROOTDIR is where MKS is and it's ok
        unix_toolset=MKS
        mkshome=`dosname -s "${ROOTDIR}"`
	# Utility to convert to short pathnames without spaces
	dosname="${mkshome}/mksnt/dosname -s"
        # Most unix utilities are in the mksnt directory of ROOTDIR
        unixcommand_path="${mkshome}/mksnt"
        path4sdk="${unixcommand_path}"
        dirMustExist "${unixcommand_path}" UNIXCOMMAND_PATH
	devtools_path="${slashjava}/devtools/win32/bin"
	path4sdk="${devtools_path};${path4sdk}"
        dirMustExist "${devtools_path}" DEVTOOLS_PATH
        # Find GNU make
        make="${devtools_path}/gnumake.exe"
        fileMustExist "${make}" make
    elif [ "`uname -a | fgrep Cygwin`" != "" -a -f /bin/cygpath ] ; then
        # For CYGWIN, uname will have "Cygwin" in it, and /bin/cygpath should exist
        unix_toolset=CYGWIN
	# Utility to convert to short pathnames without spaces
	dosname="/usr/bin/cygpath -a -m -s"
        # Most unix utilities are in the /usr/bin
        unixcommand_path="/usr/bin"
        path4sdk="${unixcommand_path}"
        dirMustExist "${unixcommand_path}" UNIXCOMMAND_PATH
        # Find GNU make
        make="${unixcommand_path}/make.exe"
        fileMustExist "${make}" make
    else
      echo "WARNING: Cannot figure out if this is MKS or CYGWIN"
    fi

    # WINDOWS: Compiler setup (nasty part)
    #   NOTE: You can use vcvars32.bat to set PATH, LIB, and INCLUDE.
    #   NOTE: CYGWIN has a link.exe too, make sure the compilers are first
    if [ "${windows_arch}" = i586 ] ; then
        # 32bit Windows compiler settings
        # VisualStudio .NET 2003 VC++ 7.1 (VS71COMNTOOLS should be defined)
        vs_root=`${dosname} "${VS71COMNTOOLS}/../.."`
        # Fill in PATH, LIB, and INCLUDE (unset all others to make sure)
        vc7_root="${vs_root}/Vc7"
        compiler_path="${vc7_root}/bin"
        platform_sdk="${vc7_root}/PlatformSDK"
        # LIB and INCLUDE must use ; as a separator
        include4sdk="${vc7_root}/atlmfc/include"
        include4sdk="${include4sdk};${vc7_root}/include"
        include4sdk="${include4sdk};${platform_sdk}/include/prerelease"
        include4sdk="${include4sdk};${platform_sdk}/include"
        include4sdk="${include4sdk};${vs_root}/SDK/v1.1/include"
        lib4sdk="${vc7_root}/atlmfc/lib"
        lib4sdk="${lib4sdk};${vc7_root}/lib"
        lib4sdk="${lib4sdk};${platform_sdk}/lib/prerelease"
        lib4sdk="${lib4sdk};${platform_sdk}/lib"
        lib4sdk="${lib4sdk};${vs_root}/SDK/v1.1/lib"
        # Search path and DLL locating path
        #   WARNING: CYGWIN has a link.exe too, make sure compilers are first
        path4sdk="${vs_root}/Common7/Tools/bin;${path4sdk}"
	path4sdk="${vs_root}/SDK/v1.1/bin;${path4sdk}"
        path4sdk="${vs_root}/Common7/Tools;${path4sdk}"
	path4sdk="${vs_root}/Common7/Tools/bin/prerelease;${path4sdk}"
        path4sdk="${vs_root}/Common7/IDE;${path4sdk}"
	path4sdk="${compiler_path};${path4sdk}"
    elif [ "${windows_arch}" = amd64 ] ; then
        # AMD64 64bit Windows compiler settings
	if [ "${MSSDK}" != "" ] ; then
	    platform_sdk="${MSSDK}"
	else
	    platform_sdk=`${dosname} "C:/Program Files/Microsoft Platform SDK/"`
	fi
	compiler_path="${platform_sdk}/Bin/win64/x86/AMD64"
        # LIB and INCLUDE must use ; as a separator
        include4sdk="${platform_sdk}/Include"
	include4sdk="${include4sdk};${platform_sdk}/Include/crt/sys"
	include4sdk="${include4sdk};${platform_sdk}/Include/mfc"
	include4sdk="${include4sdk};${platform_sdk}/Include/atl"
	include4sdk="${include4sdk};${platform_sdk}/Include/crt"
        lib4sdk="${platform_sdk}/Lib/AMD64"
        lib4sdk="${lib4sdk};${platform_sdk}/Lib/AMD64/atlmfc"
        # Search path and DLL locating path
        #   WARNING: CYGWIN has a link.exe too, make sure compilers are first
        path4sdk="${platform_sdk}/bin;${path4sdk}"
        path4sdk="${compiler_path};${path4sdk}"
    fi
    # Export LIB and INCLUDE
    unset lib
    unset Lib
    LIB="${lib4sdk}"
    export LIB
    unset include
    unset Include
    INCLUDE="${include4sdk}"
    export INCLUDE
    # Set the ALT variable
    dirMustExist "${compiler_path}" COMPILER_PATH
    
    # WINDOWS: Get the previous JDK to be used to bootstrap the build
    path4sdk="${bootdir}/bin;${path4sdk}"

    # Turn all \\ into /, remove duplicates and trailing /
    slash_path="`echo ${path4sdk} | sed -e 's@\\\\@/@g' -e 's@//@/@g' -e 's@/$@@' -e 's@/;@;@g'`"
    
    # For windows, it's hard to know where the system is, so we just add this
    #    to PATH.
    path4sdk="${slash_path};${PATH}"
    
    # Convert path4sdk to cygwin style
    if [ "${unix_toolset}" = CYGWIN ] ; then
	path4sdk="`/usr/bin/cygpath -p ${path4sdk}`"
    fi

fi

# Export PATH setting
PATH="${path4sdk}"
export PATH

# Unset certain vars
unset LD_LIBRARY_PATH
unset LD_LIBRARY_PATH_32
unset LD_LIBRARY_PATH_64