#
# Copyright (c) 1997, 2010, Oracle and/or its affiliates. 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.  Oracle designates this
# particular file as subject to the "Classpath" exception as provided
# by Oracle in the LICENSE file that accompanied this code.
#
# 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
# or visit www.oracle.com if you need additional information or have any
# questions.
#

#
# Shared platform (OS/ARCH) variable settings for the JDK builds.
#
# Includes basic system requirements, versions of utilities required,
#   suffixes on files, and basic defaults attributed to the build platform.
#

#
# Assumes some basic unix system utilities (e.g. uname) are in the search path
#   in order to figure out the system.
#

ifndef PLATFORM_SHARED

PLATFORM_SHARED=done

# Possible Input variables:
#     ARCH_DATA_MODEL             32 or 64, default to 32
#     USER, LOGNAME               user name (runs logname, or id if not set)
#     PROCESSOR_IDENTIFIER        windows only: needed in environment
#
# (Also gets input by running the utilities uname, logname, isainfo, or id.)
#
# Variables set by this file:
#     SYSTEM_UNAME                what 'uname' says this system is
#     USER                        login name of user (minus blanks)
#     PLATFORM                    windows, solaris, or linux
#     VARIANT                     OPT or DBG, OPT is the default
#     OS_NAME                     solaris, linux, or nt
#     OS_VERSION                  specific version of os, 5.10, 2.4.9-e.3, etc.
#     TEMP_DISK                   /tmp or C:/temp
#     ARCH_DATA_MODEL             32 or 64
#     ARCH                        sparc, sparcv9, i586, amd64, or ia64
#     ARCH_FAMILY                 sparc or i586
#     ARCHPROP                    sparc or x86
#     DEV_NULL                    destination of /dev/null, NUL or /dev/NULL
#     CLASSPATH_SEPARATOR         separator in classpath, ; or :
#     BUNDLE_FILE_SUFFIX          suffix for bundles: .tar or .tar.gz
#     ISA_DIR                     solaris only: /sparcv9 or /amd64
#     REQUIRED_WINDOWS_NAME       windows only: basic name of windows 
#     REQUIRED_WINDOWS_VERSION    windows only: specific version of windows 
#     USING_CYGWIN                windows only: true or false
#     WINDOWS_NT_VERSION_STRING   windows only: long version name
#     REQUIRED_OS_VERSION         required OS version, e.g. 5.10, 2.4
#     REQUIRED_FREE_SPACE         minimum disk space needed for outputdir
#     REQUIRED_ZIP_VER            required version of zip
#     REQUIRED_UNZIP_VER          required version of unzip
#     LINUX_VERSION_INFO          linux only: location of linux release file
#     REQUIRED_LINUX_VER          linux only: required version of linux
#     REQUIRED_LINUX_FULLVER      linux only: required full version of linux

ifndef SYSTEM_UNAME
  SYSTEM_UNAME := $(shell uname)
  export SYSTEM_UNAME
endif

# Normal boot jdk is previous release, but a hard requirement is a 1.5 boot
REQUIRED_BOOT_VER = 1.5

# Don't define this unless it's not defined
ifndef VARIANT
  VARIANT=OPT
endif

# Platform settings specific to Solaris
ifeq ($(SYSTEM_UNAME), SunOS)
  PLATFORM = solaris
  OS_NAME = solaris
  OS_VERSION := $(shell uname -r)
  # Solaris sparc build can be either 32-bit or 64-bit.
  #   Default to 32, but allow explicit setting to 32 or 64.
  ifndef ARCH_DATA_MODEL
    ARCH_DATA_MODEL=32
  endif
  ifeq ($(ARCH_DATA_MODEL), 32)
    processor := $(shell uname -p)
    archExpr = case "$(processor)" in  \
                i[3-9]86) \
                    echo i586 \
                    ;; \
                sparc*)  \
                    echo sparc \
                    ;; \
                *) \
                    echo $(processor)  \
                    ;; \
        esac
    ARCH        := $(shell $(archExpr))
  else
    ARCH := $(shell isainfo -n)
    # ISA_DIR is used to locate 64-bit specific libraries which are generally
    # in the same general place as other libraries under the ./$(ARCH) directory
    ISA_DIR = /$(ARCH)
  endif
  # Need to maintain the jre/lib/i386 location for 32-bit Intel
  ifeq ($(ARCH), i586)
     ARCH_FAMILY = $(ARCH)
     # Value of Java os.arch property
     ARCHPROP    = x86
  else
     ifeq ($(ARCH), amd64)
        ARCH_FAMILY = i586
     else
        ARCH_FAMILY = sparc
     endif
     # Value of Java os.arch property
     ARCHPROP = $(ARCH)
  endif
  # Suffix for file bundles used in previous release
  BUNDLE_FILE_SUFFIX=.tar
  # Required Solaris version
  REQUIRED_OS_VERSION = 5.10
  # Minimum disk space needed as determined by running 'du -sk' on 
  #    a fully built workspace.
  ifeq ($(ARCH_FAMILY), sparc)
    REQUIRED_FREE_SPACE=1300000
  else
    REQUIRED_FREE_SPACE=1040000
  endif
  # How much RAM does this machine have:
  MB_OF_MEMORY=$(shell /etc/prtconf | fgrep 'Memory size:' | expand | cut -d' ' -f3)
endif

# Platform settings specific to Linux
ifeq ($(SYSTEM_UNAME), Linux)
  PLATFORM = linux
  OS_NAME = linux
  OS_VERSION := $(shell uname -r)
  # Arch and OS name/version
  mach := $(shell uname -m)
  ifneq (,$(wildcard /usr/bin/dpkg-architecture))
    mach := $(shell (dpkg-architecture -qDEB_BUILD_ARCH_CPU 2>/dev/null || echo $(mach)) | sed 's/powerpc$$/ppc/;s/hppa/parisc/')
  endif
  archExpr = case "$(mach)" in \
                i[3-9]86) \
                    echo i586 \
                    ;; \
                ia64) \
                    echo ia64 \
                    ;; \
                x86_64) \
                    echo amd64 \
                    ;; \
                sparc*) \
                    echo sparc \
                    ;; \
                arm*) \
                    echo arm \
                    ;; \
                sh*) \
                    echo sh \
		    ;; \
                *) \
                    echo $(mach) \
                    ;; \
      esac
  ARCH        := $(shell $(archExpr) )
  ARCH_FAMILY := $(ARCH)

  # Linux builds may be 32-bit or 64-bit data model.
  ifeq ($(ARCH), sparc)
    # Linux sparc build can be either 32-bit or 64-bit.
    #   Default to 32, but allow explicit setting to 32 or 64.
    ifndef ARCH_DATA_MODEL
      ARCH_DATA_MODEL=32
    endif
    ifeq ($(ARCH_DATA_MODEL), 32)
      ARCH=sparc
    else
      ARCH=sparcv9
    endif
  else
    # i586 is 32-bit, amd64 is 64-bit
    ifndef ARCH_DATA_MODEL
      ifeq ($(ARCH), i586)
        ARCH_DATA_MODEL=32
      else
        ARCH_DATA_MODEL=64
      endif
      ifeq ($(ARCH), sh)
        ARCH_DATA_MODEL=32
      endif
    endif
  endif

  ifeq ($(ARCH), i586)
    ARCHPROP = i386
  else
    ARCHPROP = $(ARCH)
  endif

  # Suffix for file bundles used in previous release
  BUNDLE_FILE_SUFFIX=.tar.gz
  # Minimum disk space needed as determined by running 'du -sk' on 
  #    a fully built workspace.
  REQUIRED_FREE_SPACE=1460000
  LINUX_VERSION_INFO = /etc/redhat-release
  ifeq ($(ARCH_DATA_MODEL), 32)
    REQUIRED_LINUX_VER = Advanced Server
    REQUIRED_LINUX_FULLVER = Advanced Server release 2.1AS
    REQUIRED_OS_VERSION = 2.4.9-e.3
  else
    ifeq ($(ARCH), amd64)
      LINUX_VERSION_INFO = /etc/SuSE-release
      REQUIRED_LINUX_VER = 8.1
      REQUIRED_LINUX_FULLVER = $(REQUIRED_LINUX_VER) SLSE AMD64
      REQUIRED_OS_VERSION = 2.4.19-SMP
    else
      REQUIRED_LINUX_VER = Advanced Server
      REQUIRED_LINUX_FULLVER = Advanced Server release 2.1AS 64 bit
      REQUIRED_OS_VERSION = 2.4.19-SMP
    endif
  endif
  # How much RAM does this machine have:
  MB_OF_MEMORY := $(shell free -m | fgrep Mem: | sed -e 's@\ \ *@ @g' | cut -d' ' -f2)
endif

# Windows with and without CYGWIN will be slightly different
ifeq ($(SYSTEM_UNAME), Windows_NT)
  PLATFORM = windows
  OS_VERSION := $(shell uname -r)
  WINDOWS_NT_VERSION_STRING=Windows_NT
  REQUIRED_MKS_VER=6.1
endif
ifneq (,$(findstring CYGWIN,$(SYSTEM_UNAME)))
  PLATFORM = windows
  OS_VERSION := 5
  USING_CYGWIN = true
  export USING_CYGWIN
  WINDOWS_NT_VERSION_STRING=CYGWIN_NT
  REQUIRED_CYGWIN_VER=4.0
endif

# Platform settings specific to Windows
ifeq ($(PLATFORM), windows)
  OS_NAME = nt
  REQUIRED_OS_VERSION=5
  # Windows builds default to the appropriate for the underlaying
  # architecture.
  # Temporary disk area
  TEMP_DISK=C:/temp
  # GNU Make or MKS overrides $(PROCESSOR_ARCHITECTURE) to always
  # return "x86". Use the first word of $(PROCESSOR_IDENTIFIER) instead.
  PROC_ARCH:=$(word 1, $(PROCESSOR_IDENTIFIER))
  PROC_ARCH:=$(subst x86,X86,$(PROC_ARCH))
  PROC_ARCH:=$(subst x64,X64,$(PROC_ARCH))
  PROC_ARCH:=$(subst intel64,X64,$(PROC_ARCH))
  PROC_ARCH:=$(subst Intel64,X64,$(PROC_ARCH))
  PROC_ARCH:=$(subst INTEL64,X64,$(PROC_ARCH))
  PROC_ARCH:=$(subst em64t,X64,$(PROC_ARCH))
  PROC_ARCH:=$(subst EM64T,X64,$(PROC_ARCH))
  PROC_ARCH:=$(subst amd64,X64,$(PROC_ARCH))
  PROC_ARCH:=$(subst AMD64,X64,$(PROC_ARCH))
  PROC_ARCH:=$(subst ia64,IA64,$(PROC_ARCH))
  ifndef ARCH_DATA_MODEL
    ifeq ($(PROC_ARCH),IA64)
      ARCH_DATA_MODEL=64
    else
      ifeq ($(PROC_ARCH),X64)
        ARCH_DATA_MODEL=64
      else
        ARCH_DATA_MODEL=32
      endif
    endif
  endif
  export ARCH_DATA_MODEL
  ARCH=i586
  # Value of Java os.arch property
  ARCHPROP=x86
  REQUIRED_WINDOWS_NAME=Windows Professional 2000
  REQUIRED_WINDOWS_VERSION=5 0 Service Pack 4
  ifeq ($(ARCH_DATA_MODEL), 64)
    # If the user wants to perform a cross compile build then they must
    # - set ARCH_DATA_MODEL=64 and either
    #      + set ARCH to ia64 or amd64, or
    REQUIRED_WINDOWS_NAME=Windows Server 2003
    REQUIRED_WINDOWS_VERSION=5 2 Service Pack 1
    ifeq ($(PROC_ARCH),X64)
      ARCH=amd64
    else
      ifeq ($(PROC_ARCH),IA64)
        ARCH=ia64
      endif
    endif
    # Value of Java os.arch property
    ARCHPROP=$(ARCH)
  endif
  ARCH_FAMILY = $(ARCH)
  # Where is unwanted output to be delivered?
  ifeq ($(USING_CYGWIN),true)
    DEV_NULL = /dev/null
  else
    DEV_NULL = NUL
  endif
  export DEV_NULL
  # Classpath separator
  CLASSPATH_SEPARATOR = ;
  # User name determination (set _USER)
  ifndef USER
    ifdef USERNAME
      _USER := $(USERNAME)
    else
      ifdef LOGNAME
        _USER := $(LOGNAME)
      else
        _USER := $(shell id -un)
      endif
    endif
  else
    _USER:=$(USER)
  endif
  # Suffix for file bundles used in previous release
  BUNDLE_FILE_SUFFIX=.tar
  # Minimum disk space needed as determined by running 'du -sk' on 
  #    a fully built workspace.
  REQUIRED_FREE_SPACE=500000
  # How much RAM does this machine have:
  ifndef MB_OF_MEMORY
    MB_OF_MEMORY := $(shell \
      if [ -f "C:/cygwin/bin/free.exe" ] ; then \
        ( C:/cygwin/bin/bash.exe -c "C:/cygwin/bin/free.exe -m" ) | \
	  grep Mem: | \
	  sed -e 's@\ \ *@ @g' | cut -d' ' -f2 ; \
      else \
        echo "512"; \
      fi)
    export MB_OF_MEMORY
  endif
endif

# Machines with 512Mb or less of real memory are considered low memory
#    build machines and adjustments will be made to prevent excessing
#    system swapping during the build.
#    If we don't know, assume 512. Subtract 128 from MB for VM MAX.
#    Don't set VM max over 1024-128=896.
ifndef MAX_VM_MEMORY
  ifneq ($(MB_OF_MEMORY),)
    LOW_MEMORY_MACHINE := $(shell \
      if [ $(MB_OF_MEMORY) -le 512 ] ; then \
        echo "true"; \
      else \
        echo "false"; \
      fi)
    MAX_VM_MEMORY := $(shell \
      if [ $(MB_OF_MEMORY) -le 1024 ] ; then \
        expr $(MB_OF_MEMORY) '-' 128 ; \
      else \
        echo "896"; \
      fi)
    MIN_VM_MEMORY := $(shell \
      if [ $(MAX_VM_MEMORY) -le 128 ] ; then \
        expr $(MAX_VM_MEMORY) '-' 8 ; \
      else \
        echo "128"; \
      fi)
  else
    MB_OF_MEMORY       := unknown
    LOW_MEMORY_MACHINE := true
    MAX_VM_MEMORY      := 384
    MIN_VM_MEMORY      := 128
  endif
  export MAX_VM_MEMORY
  export MIN_VM_MEMORY
  export LOW_MEMORY_MACHINE
  export MAX_VM_MEMORY
endif

REQUIRED_ZIP_VER = 2.2
REQUIRED_UNZIP_VER = 5.12
REQUIRED_MAKE_VER = 3.81

# Unix type settings (same for all unix platforms)
ifneq ($(PLATFORM), windows)
  # Temporary disk area
  TEMP_DISK=/tmp
  # Where is unwanted output to be delivered?
  DEV_NULL = /dev/null
  export DEV_NULL
  # Character used between entries in classpath 
  CLASSPATH_SEPARATOR = :
  # User name determination (set _USER)
  ifndef USER
    ifdef LOGNAME
      _USER := $(LOGNAME)
    else
      _USER := $(shell logname)
    endif
  else
    _USER:=$(USER)
  endif
endif

# If blanks in the username, use the first 4 words and pack them together
_USER1:=$(subst ', ,$(_USER))
_USER2:=$(subst ", ,$(_USER1))
USER:=$(word 1,$(_USER2))$(word 2,$(_USER2))$(word 3,$(_USER2))$(word 4,$(_USER2))
export USER

export PLATFORM
endif

