1 #
   2 # Copyright (c) 2005, 2011, Oracle and/or its affiliates. All rights reserved.
   3 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4 #
   5 # This code is free software; you can redistribute it and/or modify it
   6 # under the terms of the GNU General Public License version 2 only, as
   7 # published by the Free Software Foundation.  Oracle designates this
   8 # particular file as subject to the "Classpath" exception as provided
   9 # by Oracle in the LICENSE file that accompanied this code.
  10 #
  11 # This code is distributed in the hope that it will be useful, but WITHOUT
  12 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13 # FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14 # version 2 for more details (a copy is included in the LICENSE file that
  15 # accompanied this code).
  16 #
  17 # You should have received a copy of the GNU General Public License version
  18 # 2 along with this work; if not, write to the Free Software Foundation,
  19 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20 #
  21 # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22 # or visit www.oracle.com if you need additional information or have any
  23 # questions.
  24 #
  25 
  26 #
  27 # Definitions for Linux.
  28 #
  29 
  30 # Default for COMPILER_WARNINGS_FATAL on Linux (C & C++ compiler warnings)
  31 ifndef COMPILER_WARNINGS_FATAL
  32   COMPILER_WARNINGS_FATAL=false
  33 endif
  34 
  35 # Linux should use parallel compilation for best build times
  36 ifndef COMPILE_APPROACH
  37   COMPILE_APPROACH = parallel
  38 endif
  39 
  40 # Indication that we are doing an incremental build.
  41 #    This may trigger the creation of make depend files.
  42 ifndef INCREMENTAL_BUILD
  43   INCREMENTAL_BUILD = false
  44 endif
  45 
  46 # FullPath just makes sure it never ends with a / and no duplicates
  47 define FullPath
  48 $(shell cd $1 2> $(DEV_NULL) && pwd)
  49 endef
  50 
  51 # OptFullPath: Absolute path name of a dir that might not initially exist.
  52 define OptFullPath
  53 $(shell if [ "$1" != "" -a -d "$1" ]; then (cd $1 && pwd); else echo "$1"; fi)
  54 endef
  55 
  56 # Location on system where jdk installs might be
  57 USRJDKINSTANCES_PATH =/opt/java
  58 
  59 # UNIXCOMMAND_PATH: path to where the most common Unix commands are.
  60 #  NOTE: Must end with / so that it could be empty, allowing PATH usage.
  61 ifneq "$(origin ALT_UNIXCOMMAND_PATH)" "undefined"
  62   UNIXCOMMAND_PATH :=$(call PrefixPath,$(ALT_UNIXCOMMAND_PATH))
  63 else
  64   UNIXCOMMAND_PATH  = /bin/
  65 endif
  66 
  67 # USRBIN_PATH: path to where the most common Unix commands are.
  68 #  NOTE: Must end with / so that it could be empty, allowing PATH usage.
  69 ifneq "$(origin ALT_USRBIN_PATH)" "undefined"
  70   USRBIN_PATH :=$(call PrefixPath,$(ALT_USRBIN_PATH))
  71 else
  72   USRBIN_PATH  = /usr/bin/
  73 endif
  74 
  75 # UNIXCCS_PATH: path to where the Solaris ported UNIX commands can be found
  76 #  NOTE: Must end with / so that it could be empty, allowing PATH usage.
  77 ifneq "$(origin ALT_UNIXCCS_PATH)" "undefined"
  78   UNIXCCS_PATH :=$(call PrefixPath,$(ALT_UNIXCCS_PATH))
  79 else
  80   UNIXCCS_PATH = /usr/ccs/bin/
  81 endif
  82 
  83 # SLASH_JAVA: location of all network accessable files
  84 ifdef ALT_SLASH_JAVA
  85   SLASH_JAVA  :=$(ALT_SLASH_JAVA)
  86 else
  87   SLASH_JAVA  := $(call DirExists,/java,/java,/NOT-SET)
  88 endif
  89 
  90 # JDK_DEVTOOLS_DIR: common path for all the java devtools
  91 ifdef ALT_JDK_DEVTOOLS_DIR
  92   JDK_DEVTOOLS_DIR  =$(ALT_JDK_DEVTOOLS_DIR)
  93 else
  94   JDK_DEVTOOLS_DIR =$(SLASH_JAVA)/devtools
  95 endif
  96 
  97 # COMPILER_PATH: path to where the compiler and tools are installed.
  98 #  NOTE: Must end with / so that it could be empty, allowing PATH usage.
  99 ifneq "$(origin ALT_COMPILER_PATH)" "undefined"
 100   COMPILER_PATH :=$(call PrefixPath,$(ALT_COMPILER_PATH))
 101 else
 102   COMPILER_PATH  =/usr/bin/
 103 endif
 104 
 105 # OPENWIN_HOME: path to where the X11 environment is installed.
 106 #  NOTE: Must end with / so that it could be empty, allowing PATH usage.
 107 ifneq ($(ALT_OPENWIN_HOME),)
 108   OPENWIN_HOME :=$(call PrefixPath,$(ALT_OPENWIN_HOME))
 109 else
 110   OPENWIN_HOME  =/usr/X11R6/
 111 endif
 112 
 113 # DEVTOOLS_PATH: for other tools required for building (such as zip, etc.)
 114 #  NOTE: Must end with / so that it could be empty, allowing PATH usage.
 115 ifneq "$(origin ALT_DEVTOOLS_PATH)" "undefined"
 116   DEVTOOLS_PATH :=$(call PrefixPath,$(ALT_DEVTOOLS_PATH))
 117 else
 118   DEVTOOLS_PATH =/usr/bin/
 119 endif
 120 
 121 # _BOOTDIR1: First choice for a Bootstrap JDK, previous released JDK.
 122 # _BOOTDIR2: Second choice
 123 ifndef ALT_BOOTDIR
 124   _BOOTDIR1  =$(SLASH_JAVA)/re/jdk/$(PREVIOUS_JDK_VERSION)/archive/fcs/binaries/$(PLATFORM)-$(ARCH)
 125   _BOOTDIR2  =$(USRJDKINSTANCES_PATH)/jdk$(PREVIOUS_JDK_VERSION)
 126 endif
 127 
 128 # Always build headless on Linux
 129 BUILD_HEADLESS = true
 130 LIBM=-lm
 131 
 132 # GCC29_COMPILER_PATH: is the path to where the gcc 2.9 compiler is installed
 133 #  NOTE: Must end with / so that it could be empty, allowing PATH usage.
 134 ifdef ALT_GCC29_COMPILER_PATH
 135   GCC29_COMPILER_PATH :=$(call PrefixPath,$(ALT_GCC29_COMPILER_PATH))
 136 else
 137   GCC29_COMPILER_PATH = $(JDK_DEVTOOLS_DIR)/$(PLATFORM)/gcc29/usr/
 138 endif
 139 
 140 _CUPS_HEADERS_PATH=/usr/include
 141 
 142 _BDB_HEADERS_PATH=/usr/include
 143 
 144 # Import JDK images allow for partial builds, components not built are
 145 #    imported (or copied from) these import areas when needed.
 146 
 147 # BUILD_JDK_IMPORT_PATH: location of JDK install trees to import for
 148 #   multiple platforms, e.g. windows-i586, solaris-sparc, linux-586, etc.
 149 ifdef ALT_BUILD_JDK_IMPORT_PATH
 150   BUILD_JDK_IMPORT_PATH  :=$(call FullPath,$(ALT_BUILD_JDK_IMPORT_PATH))
 151 else
 152   BUILD_JDK_IMPORT_PATH   = $(PROMOTED_BUILD_BINARIES)
 153 endif
 154 BUILD_JDK_IMPORT_PATH:=$(call AltCheckValue,BUILD_JDK_IMPORT_PATH)
 155 
 156 # JDK_IMPORT_PATH: location of JDK install tree (this version) to import
 157 ifdef ALT_JDK_IMPORT_PATH
 158   JDK_IMPORT_PATH  :=$(call FullPath,$(ALT_JDK_IMPORT_PATH))
 159 else
 160   JDK_IMPORT_PATH   = $(BUILD_JDK_IMPORT_PATH)/$(PLATFORM)-$(ARCH)$(_JDK_IMPORT_VARIANT)
 161 endif
 162 JDK_IMPORT_PATH:=$(call AltCheckValue,JDK_IMPORT_PATH)
 163 
 164 # BDB_IMPORT_PATH: location of bdb pre-built/generated files
 165 ifndef USE_SYSTEM_BDB
 166   ifdef ALT_BDB_IMPORT_PATH
 167     BDB_IMPORT_PATH :=$(call FullPath,$(ALT_BDB_IMPORT_PATH))
 168   else
 169     BDB_IMPORT_PATH =  #$(JDK_IMPORT_PATH)   # Can't import from JDK
 170   endif
 171   #BDB_IMPORT_PATH:=$(call AltCheckValue,BDB_IMPORT_PATH) # TODO: disable for now
 172 endif
 173 
 174 # HOTSPOT_IMPORT_PATH: location of hotspot pre-built files
 175 ifdef ALT_HOTSPOT_IMPORT_PATH
 176   HOTSPOT_IMPORT_PATH :=$(call FullPath,$(ALT_HOTSPOT_IMPORT_PATH))
 177 else
 178   HOTSPOT_IMPORT_PATH =$(JDK_IMPORT_PATH)
 179 endif
 180 HOTSPOT_IMPORT_PATH:=$(call AltCheckValue,HOTSPOT_IMPORT_PATH)
 181 
 182 # check if the HOTSPOT_IMPORT_PATH is a modules image or not
 183 HOTSPOT_IMPORT_MODULES_IMAGE := $(shell \
 184       if [ -d $(HOTSPOT_IMPORT_PATH)/jre/$(ARCH_VM_SUBDIR) ] ; then \
 185         echo "false"; \
 186       elif [ -d $(HOTSPOT_IMPORT_PATH)/lib/modules ] ; then \
 187         echo "true"; \
 188       else \
 189         echo "false"; \
 190       fi \
 191       )
 192 
 193 ifeq ($(HOTSPOT_IMPORT_MODULES_IMAGE),true)
 194   HOTSPOT_ARCH_VM_SUBDIR=$(HOTSPOT_IMPORT_PATH)/$(ARCH_VM_SUBDIR)
 195 else
 196   HOTSPOT_ARCH_VM_SUBDIR=$(HOTSPOT_IMPORT_PATH)/jre/$(ARCH_VM_SUBDIR)
 197 endif
 198 
 199 HOTSPOT_SALIB_PATH=$(HOTSPOT_ARCH_VM_SUBDIR)
 200 
 201 # HOTSPOT_CLIENT_PATH: location of client jvm library file.
 202 ifeq ($(ARCH_DATA_MODEL), 32)
 203   ifdef ALT_HOTSPOT_CLIENT_PATH
 204     HOTSPOT_CLIENT_PATH :=$(call FullPath,$(ALT_HOTSPOT_CLIENT_PATH))
 205   else
 206     HOTSPOT_CLIENT_PATH   =$(HOTSPOT_ARCH_VM_SUBDIR)/client
 207   endif
 208   HOTSPOT_CLIENT_PATH:=$(call AltCheckValue,HOTSPOT_CLIENT_PATH)
 209 endif
 210 
 211 # HOTSPOT_SERVER_PATH: location of server jvm library file.
 212 ifdef ALT_HOTSPOT_SERVER_PATH
 213   HOTSPOT_SERVER_PATH :=$(call FullPath,$(ALT_HOTSPOT_SERVER_PATH))
 214 else
 215   HOTSPOT_SERVER_PATH   =$(HOTSPOT_ARCH_VM_SUBDIR)/server
 216 endif
 217 HOTSPOT_SERVER_PATH:=$(call AltCheckValue,HOTSPOT_SERVER_PATH)
 218 
 219 # Special define for checking the binaries
 220 
 221 # Debug builds should downgrade warnings to just info
 222 MAPFILE_WARNING-DBG=INFO
 223 MAPFILE_WARNING-OPT=WARNING
 224 MAPFILE_WARNING-=WARNING
 225 MAPFILE_WARNING=$(MAPFILE_WARNING-$(VARIANT))
 226 
 227 # Macro to check it's input file for banned dependencies and verify the
 228 #   binary built properly. Relies on process exit code.
 229 ifndef CROSS_COMPILE_ARCH
 230 define binary_file_verification # binary_file
 231 ( \
 232   $(ECHO) "Checking for mapfile use in: $1" && \
 233   if [ "`$(NM) -D -g --defined-only $1 | $(EGREP) 'SUNWprivate'`" = "" ] ; then \
 234     $(ECHO) "$(MAPFILE_WARNING): File was not built with a mapfile: $1"; \
 235   fi && \
 236   $(ECHO) "Library loads for: $1" && \
 237   $(LDD) $1 && \
 238   $(ECHO) "RUNPATH for: $1" && \
 239   ( $(READELF) -d $1 | $(EGREP) 'NEEDED|RUNPATH|RPATH' ) \
 240 )
 241 endef
 242 else
 243 define binary_file_verification
 244 ( \
 245   $(ECHO) "Skipping binary file verification for cross-compile build" \
 246 )
 247 endef
 248 endif
 249