#
# Copyright 1997-2008 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.  Sun designates this
# particular file as subject to the "Classpath" exception as provided
# by Sun 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 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.
#

#
# 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
#     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
#     ARCH_VM_SUBDIR              jre/bin, jre/lib/sparc, etc.
#     LIBARCH                     sparc, sparcv9, i386, amd64, or ia64
#     DEV_NULL                    destination of /dev/null, NUL or /dev/NULL
#     CLASSPATH_SEPARATOR         separator in classpath, ; or :
#     LIB_PREFIX                  dynamic or static library prefix, lib or empty
#     LIB_SUFFIX                  static library file suffix, .lib or .a?
#     LIBRARY_SUFFIX              dynamic library file suffix, .dll or .so
#     OBJECT_SUFFIX               object file suffix, .o or .obj
#     EXE_SUFFIX                  executable file suffix, .exe or empty
#     BUNDLE_FILE_SUFFIX          suffix for bundles: .tar or .tar.gz
#     ISA_DIR                     solaris only: /sparcv9 or /amd64
#     LIBARCH32                   solaris only: sparc or i386
#     LIBARCH64                   solaris only: sparcv9 or amd64
#     USING_CYGWIN                windows only: true or false
#     ISHIELD_TEMP_MIN            windows only: minimum disk space in temp area

SYSTEM_UNAME := $(shell uname)

#
# Prune out all known SCM (Source Code Management) directories
# so they will not be included when copying directory trees
# or packaging up .jar files, etc.  This applies to all workspaces.
#
SCM_DIRs = .hg .svn CVS RCS SCCS Codemgr_wsdata deleted_files .hgignore .hgtags
# When changing SCM_DIRs also change SCM_DIRS_rexp and SCM_DIRS_prune:
SCM_DIRS_rexp = ".hg|.svn|CVS|RCS|SCCS|Codemgr_wsdata|deleted_files|.hgignore|.hgtags"
SCM_DIRS_prune = \( -name .hg -o -name .svn -o -name CVS -o -name RCS -o -name SCCS -o -name Codemgr_wsdata -o -name deleted_files -o -name .hgignore -o -name .hgtags \) -prune

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

# Platform settings specific to Solaris
ifeq ($(SYSTEM_UNAME), SunOS)
  PLATFORM = solaris
  # Solaris sparc build can be either 32-bit or 64-bit.
  #   Default to 32, but allow explicit setting to 32 or 64.
  ifndef ARCH_DATA_MODEL
    ARCH_DATA_MODEL=32
  endif
  ifeq ($(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 = $(ARCH)
     LIBARCH     = i386
     # Value of Java os.arch property
     ARCHPROP    = x86
  else
     ifeq ($(ARCH), amd64)
        ARCH_FAMILY = i586
     else
        ARCH_FAMILY = sparc
     endif
     LIBARCH  = $(ARCH)
     # Value of Java os.arch property
     ARCHPROP = $(LIBARCH)
  endif
  # The two LIBARCH names
  ifeq ($(ARCH_FAMILY), sparc)
    LIBARCH32 = sparc
    LIBARCH64 = sparcv9
  else
    LIBARCH32 = i386
    LIBARCH64 = amd64
  endif
  # Suffix for file bundles used in previous release
  BUNDLE_FILE_SUFFIX=.tar
  # 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
  # Arch and OS name/version
  mach := $(shell uname -m)
  archExpr = case "$(mach)" in \
                i[3-9]86) \
                    echo i586 \
                    ;; \
                ia64) \
                    echo ia64 \
                    ;; \
                x86_64) \
                    echo amd64 \
                    ;; \
                sparc*) \
                    echo sparc \
                    ;; \
                *) \
                    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
    endif
  endif

  # Need to maintain the jre/lib/i386 location for 32-bit Intel
  ifeq ($(ARCH), i586)
    LIBARCH = i386
  else
    LIBARCH = $(ARCH)
  endif

  # Value of Java os.arch property
  ARCHPROP  = $(LIBARCH)

  # Suffix for file bundles used in previous release
  BUNDLE_FILE_SUFFIX=.tar.gz
  # How much RAM does this machine have:
  MB_OF_MEMORY := $(shell free -m | fgrep Mem: | awk '{print $$2;}' )
endif

# Windows with and without CYGWIN will be slightly different
ifeq ($(SYSTEM_UNAME), Windows_NT)
  PLATFORM = windows
endif
ifneq (,$(findstring CYGWIN,$(SYSTEM_UNAME)))
  PLATFORM = windows
  USING_CYGWIN = true
  export USING_CYGWIN
endif

# Platform settings specific to Windows
ifeq ($(PLATFORM), windows)
  # 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 $(PROCESSOR_IDENTIFIER) instead.
  ifndef ARCH_DATA_MODEL
    ifeq ($(word 1, $(PROCESSOR_IDENTIFIER)),ia64)
      ARCH_DATA_MODEL=64
    else
      ifeq ($(word 1, $(PROCESSOR_IDENTIFIER)),AMD64)
        ARCH_DATA_MODEL=64
      else
        ARCH_DATA_MODEL=32
      endif
    endif
  endif
  export ARCH_DATA_MODEL
  ifeq ($(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
    ifeq ($(word 1, $(PROCESSOR_IDENTIFIER)), AMD64)
      ARCH=amd64
    else
      ARCH=ia64
    endif
    LIBARCH=$(ARCH)
    # Value of Java os.arch property
    ARCHPROP=$(LIBARCH)
  else
    # LIBARCH is used to preserve the jre/lib/i386 directory name for 32-bit intel
    ARCH=i586
    LIBARCH=i386
    # Value of Java os.arch property
    ARCHPROP=x86
  endif
  ARCH_FAMILY = $(ARCH)
  # Where is unwanted output to be delivered?
  DEV_NULL = NUL
  export DEV_NULL
  # Classpath separator
  CLASSPATH_SEPARATOR = ;
  # The suffix used for object file (.o for unix .obj for windows)
  OBJECT_SUFFIX = obj
  # The suffix applied to executables (.exe for windows, nothing for solaris)
  EXE_SUFFIX = .exe
  # The prefix applied to library files (lib for solaris, nothing for windows)
  LIB_PREFIX=
  LIBRARY_SUFFIX = dll
  LIB_SUFFIX     = lib
  # 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
  # Location of client/server directories
  ARCH_VM_SUBDIR=jre/bin
  # Suffix for file bundles used in previous release
  BUNDLE_FILE_SUFFIX=.tar
  # ISHIELD_TEMP_MIN is the difference of an empty C:\TEMP vs. one after a
  #     bundles build on windows.
  ISHIELD_TEMP_MIN=250000
  # How much RAM does this machine have:
  ifeq ($(JDK_HAS_MEM_INFO),)
    ifeq ($(USING_CYGWIN),true)
      # CYGWIN has the 'free' utility
      _MB_OF_MEMORY := \
	   $(shell free -m | grep Mem: | awk '{print $$2;}' )
    else
      # Windows 2000 has the mem utility, but two memory areas
      #    extended memory is what is beyond 1024M
      _B_OF_EXT_MEMORY := \
	   $(shell mem 2> $(DEV_NULL) | \
		   grep 'total contiguous extended memory' | awk '{print $$1;}')
      ifeq ($(_B_OF_EXT_MEMORY),)
          _B_OF_MEMORY := \
	   $(shell mem 2> $(DEV_NULL) | \
		   grep 'total conventional memory' | awk '{print $$1;}')
      else
        _B_OF_MEMORY := \
           $(shell expr 1048576 '+' $(_B_OF_EXT_MEMORY) 2> $(DEV_NULL))
      endif
      ifeq ($(_B_OF_MEMORY),)
        # Windows 2003 has the systeminfo utility use it if mem doesn't work
        _MB_OF_MEMORY := \
	    $(shell systeminfo 2> $(DEV_NULL) | \
		    grep 'Total Physical Memory:' | \
		    awk '{print $$4;}' | sed -e 's@,@@')
      else
        _MB_OF_MEMORY := $(shell expr $(_B_OF_MEMORY) '/' 1024 2> $(DEV_NULL))
      endif
    endif
    ifeq ($(shell expr $(_MB_OF_MEMORY) '+' 0 2> $(DEV_NULL)), $(_MB_OF_MEMORY))
      MB_OF_MEMORY := $(_MB_OF_MEMORY)
    else
      MB_OF_MEMORY := 512
    endif
  endif
endif

# 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 = :
  # suffix used for object file (.o for unix .obj for windows)
  OBJECT_SUFFIX = o
  # The suffix applied to runtime libraries
  LIBRARY_SUFFIX = so
  # The suffix applied to link libraries
  LIB_SUFFIX = so
  # The suffix applied to executables (.exe for windows, nothing for solaris)
  EXE_SUFFIX =
  # The prefix applied to library files (lib for solaris, nothing for windows)
  LIB_PREFIX = lib
  # User name determination (set _USER)
  ifndef USER
    ifdef LOGNAME
      _USER := $(LOGNAME)
    else
      _USER := $(shell logname)
    endif
  else
    _USER:=$(USER)
  endif
  # Location of client/server directories
  ARCH_VM_SUBDIR=jre/lib/$(LIBARCH)
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.
ifeq ($(JDK_HAS_MEM_INFO),)
  JDK_HAS_MEM_INFO=true
  export JDK_HAS_MEM_INFO
  ifneq ($(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 2> $(DEV_NULL) ; \
      else \
        echo "896"; \
      fi)
    MIN_VM_MEMORY := $(shell \
      if [ $(MAX_VM_MEMORY) -le 128 ] ; then \
        expr $(MAX_VM_MEMORY) '-' 8 2> $(DEV_NULL) ; \
      else \
        echo "128"; \
      fi)
  else
    MB_OF_MEMORY       := unknown
    LOW_MEMORY_MACHINE := true
    MAX_VM_MEMORY      := 384
    MIN_VM_MEMORY      := 128
  endif
  export MB_OF_MEMORY
  export LOW_MEMORY_MACHINE
  export MAX_VM_MEMORY
  export MIN_VM_MEMORY
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