1 #
   2 # Copyright (c) 2011, 2015, 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 #
  28 # Includes and boilerplate
  29 #
  30 ###############################################################################
  31 
  32 
  33 AC_PREREQ([2.69])
  34 AC_INIT(OpenJDK, jdk9, build-dev@openjdk.java.net,,http://openjdk.java.net)
  35 
  36 AC_CONFIG_AUX_DIR([$TOPDIR/common/autoconf/build-aux])
  37 m4_include([build-aux/pkg.m4])
  38 
  39 # Include these first...
  40 m4_include([basics.m4])
  41 m4_include([basics_windows.m4])
  42 # ... then the rest
  43 m4_include([boot-jdk.m4])
  44 m4_include([build-performance.m4])
  45 m4_include([flags.m4])
  46 m4_include([help.m4])
  47 m4_include([jdk-options.m4])
  48 m4_include([libraries.m4])
  49 m4_include([platform.m4])
  50 m4_include([source-dirs.m4])
  51 m4_include([toolchain.m4])
  52 m4_include([toolchain_windows.m4])
  53 
  54 AC_DEFUN_ONCE([CUSTOM_EARLY_HOOK])
  55 AC_DEFUN_ONCE([CUSTOM_LATE_HOOK])
  56 AC_DEFUN_ONCE([CUSTOM_CONFIG_OUTPUT_GENERATED_HOOK])
  57 AC_DEFUN_ONCE([CUSTOM_SUMMARY_AND_WARNINGS_HOOK])
  58 
  59 # This line needs to be here, verbatim, after all includes and the dummy hook
  60 # definitions. It is replaced with custom functionality when building
  61 # custom sources.
  62 #CUSTOM_AUTOCONF_INCLUDE
  63 
  64 # Do not change or remove the following line, it is needed for consistency checks:
  65 DATE_WHEN_GENERATED=@DATE_WHEN_GENERATED@
  66 
  67 ###############################################################################
  68 #
  69 # Initialization / Boot-strapping
  70 #
  71 # The bootstrapping process needs to solve the "chicken or the egg" problem,
  72 # thus it jumps back and forth, each time gaining something needed later on.
  73 #
  74 ###############################################################################
  75 
  76 # If we are requested to print additional help, do that and then exit.
  77 # This must be the very first call.
  78 HELP_PRINT_ADDITIONAL_HELP_AND_EXIT
  79 
  80 # Basic initialization that must happen first of all in the normal process.
  81 BASIC_INIT
  82 BASIC_SETUP_FUNDAMENTAL_TOOLS
  83 
  84 # Now we can determine OpenJDK build and target platforms. This is required to
  85 # have early on.
  86 PLATFORM_SETUP_OPENJDK_BUILD_AND_TARGET
  87 
  88 # Continue setting up basic stuff. Most remaining code require fundamental tools.
  89 BASIC_SETUP_PATHS
  90 
  91 # Check if it's a pure open build or if custom sources are to be used.
  92 JDKOPT_SETUP_OPEN_OR_CUSTOM
  93 
  94 # These are needed to be able to create a configuration name (and thus the output directory)
  95 JDKOPT_SETUP_JDK_VARIANT
  96 JDKOPT_SETUP_JVM_INTERPRETER
  97 JDKOPT_SETUP_JVM_VARIANTS
  98 JDKOPT_SETUP_DEBUG_LEVEL
  99 
 100 # With basic setup done, call the custom early hook.
 101 CUSTOM_EARLY_HOOK
 102 
 103 # Check if we have devkits, extra paths or sysroot set.
 104 BASIC_SETUP_DEVKIT
 105 
 106 # To properly create a configuration name, we need to have the OpenJDK target
 107 # and options (variants and debug level) parsed.
 108 BASIC_SETUP_OUTPUT_DIR
 109 
 110 # Must be done before we can call HELP_MSG_MISSING_DEPENDENCY.
 111 HELP_SETUP_DEPENDENCY_HELP
 112 
 113 # Setup tools that requires more complex handling, or that is not needed by the configure script.
 114 BASIC_SETUP_COMPLEX_TOOLS
 115 BASIC_CHECK_BASH_OPTIONS
 116 
 117 # Check if pkg-config is available.
 118 PKG_PROG_PKG_CONFIG
 119 
 120 # After basic tools have been setup, we can check build os specific details.
 121 PLATFORM_SETUP_OPENJDK_BUILD_OS_VERSION
 122 
 123 ###############################################################################
 124 #
 125 # Determine OpenJDK variants, options and version numbers.
 126 #
 127 ###############################################################################
 128 
 129 # We need build & target for this.
 130 JDKOPT_SETUP_JDK_OPTIONS
 131 JDKOPT_SETUP_JDK_VERSION_NUMBERS
 132 
 133 ###############################################################################
 134 #
 135 # Setup BootJDK, used to bootstrap the build.
 136 #
 137 ###############################################################################
 138 
 139 BOOTJDK_SETUP_BOOT_JDK
 140 
 141 ###############################################################################
 142 #
 143 # Configure the sources to use. We can add or override individual directories.
 144 #
 145 ###############################################################################
 146 
 147 SRCDIRS_SETUP_TOPDIRS
 148 SRCDIRS_SETUP_ALTERNATIVE_TOPDIRS
 149 SRCDIRS_SETUP_OUTPUT_DIRS
 150 
 151 ###############################################################################
 152 #
 153 # Setup the toolchain (compilers etc), i.e. tools used to compile and process
 154 # native code.
 155 #
 156 ###############################################################################
 157 
 158 # See if we are doing a complete static build or not
 159 JDKOPT_SETUP_STATIC_BUILD
 160 
 161 # First determine the toolchain type (compiler family)
 162 TOOLCHAIN_DETERMINE_TOOLCHAIN_TYPE
 163 
 164 # User supplied flags should be used when configure detects compilers
 165 FLAGS_SETUP_USER_SUPPLIED_FLAGS
 166 # The sysroot cflags are needed for configure to be able to run the compilers
 167 FLAGS_SETUP_SYSROOT_FLAGS
 168 
 169 # Then detect the actual binaries needed
 170 TOOLCHAIN_PRE_DETECTION
 171 TOOLCHAIN_DETECT_TOOLCHAIN_CORE
 172 TOOLCHAIN_DETECT_TOOLCHAIN_EXTRA
 173 TOOLCHAIN_POST_DETECTION
 174 
 175 # Finally do some processing after the detection phase
 176 TOOLCHAIN_SETUP_BUILD_COMPILERS
 177 TOOLCHAIN_SETUP_LEGACY
 178 TOOLCHAIN_MISC_CHECKS
 179 
 180 # Setup the JTReg Regression Test Harness.
 181 TOOLCHAIN_SETUP_JTREG
 182 
 183 FLAGS_SETUP_INIT_FLAGS
 184 
 185 # FIXME: Currently we must test this after toolchain but before flags. Fix!
 186 
 187 # Now we can test some aspects on the target using configure macros.
 188 PLATFORM_SETUP_OPENJDK_TARGET_BITS
 189 PLATFORM_SETUP_OPENJDK_TARGET_ENDIANNESS
 190 
 191 # Configure flags for the tools
 192 FLAGS_SETUP_COMPILER_FLAGS_FOR_LIBS
 193 FLAGS_SETUP_COMPILER_FLAGS_FOR_OPTIMIZATION
 194 FLAGS_SETUP_COMPILER_FLAGS_FOR_JDK
 195 FLAGS_SETUP_COMPILER_FLAGS_MISC
 196 
 197 # Setup debug symbols (need objcopy from the toolchain for that)
 198 JDKOPT_SETUP_DEBUG_SYMBOLS
 199 JDKOPT_SETUP_CODE_COVERAGE
 200 
 201 ###############################################################################
 202 #
 203 # Check dependencies for external and internal libraries.
 204 #
 205 ###############################################################################
 206 
 207 # After we have toolchain, we can compile fixpath. It's needed by the lib checks.
 208 BASIC_COMPILE_FIXPATH
 209 
 210 LIB_DETERMINE_DEPENDENCIES
 211 LIB_SETUP_LIBRARIES
 212 
 213 ###############################################################################
 214 #
 215 # We need to do some final tweaking, when everything else is done.
 216 #
 217 ###############################################################################
 218 
 219 JDKOPT_SETUP_BUILD_TWEAKS
 220 JDKOPT_DETECT_INTREE_EC
 221 
 222 ###############################################################################
 223 #
 224 # Configure parts of the build that only affect the build performance,
 225 # not the result.
 226 #
 227 ###############################################################################
 228 
 229 BPERF_SETUP_BUILD_CORES
 230 BPERF_SETUP_BUILD_MEMORY
 231 BPERF_SETUP_BUILD_JOBS
 232 
 233 # Setup arguments for the boot jdk (after cores and memory have been setup)
 234 BOOTJDK_SETUP_BOOT_JDK_ARGUMENTS
 235 
 236 # Setup smart javac (after cores and memory have been setup)
 237 BPERF_SETUP_SMART_JAVAC
 238 
 239 # Can the C/C++ compiler use precompiled headers?
 240 BPERF_SETUP_PRECOMPILED_HEADERS
 241 
 242 # Setup use of ccache, if available
 243 BPERF_SETUP_CCACHE
 244 
 245 ###############################################################################
 246 #
 247 # And now the finish...
 248 #
 249 ###############################################################################
 250 
 251 # Check for some common pitfalls
 252 BASIC_TEST_USABILITY_ISSUES
 253 
 254 # At the end, call the custom hook. (Dummy macro if no custom sources available)
 255 CUSTOM_LATE_HOOK
 256 
 257 # We're messing a bit with internal autoconf variables to put the config.status
 258 # in the output directory instead of the current directory.
 259 CONFIG_STATUS="$CONFIGURESUPPORT_OUTPUTDIR/config.status"
 260 
 261 # Create the actual output files. Now the main work of configure is done.
 262 AC_OUTPUT
 263 
 264 # After AC_OUTPUT, we need to do final work
 265 CUSTOM_CONFIG_OUTPUT_GENERATED_HOOK
 266 BASIC_POST_CONFIG_OUTPUT
 267 
 268 # Finally output some useful information to the user
 269 HELP_PRINT_SUMMARY_AND_WARNINGS
 270 CUSTOM_SUMMARY_AND_WARNINGS_HOOK
 271 HELP_REPEAT_WARNINGS