1 #
   2 # Copyright (c) 2011, 2016, 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([hotspot.m4])
  48 m4_include([jdk-options.m4])
  49 m4_include([jdk-version.m4])
  50 m4_include([libraries.m4])
  51 m4_include([platform.m4])
  52 m4_include([source-dirs.m4])
  53 m4_include([toolchain.m4])
  54 m4_include([toolchain_windows.m4])
  55 
  56 AC_DEFUN_ONCE([CUSTOM_EARLY_HOOK])
  57 AC_DEFUN_ONCE([CUSTOM_LATE_HOOK])
  58 AC_DEFUN_ONCE([CUSTOM_CONFIG_OUTPUT_GENERATED_HOOK])
  59 AC_DEFUN_ONCE([CUSTOM_SUMMARY_AND_WARNINGS_HOOK])
  60 
  61 # This line needs to be here, verbatim, after all includes and the dummy hook
  62 # definitions. It is replaced with custom functionality when building
  63 # custom sources.
  64 #CUSTOM_AUTOCONF_INCLUDE
  65 
  66 # Do not change or remove the following line, it is needed for consistency checks:
  67 DATE_WHEN_GENERATED=@DATE_WHEN_GENERATED@
  68 
  69 ###############################################################################
  70 #
  71 # Initialization / Boot-strapping
  72 #
  73 # The bootstrapping process needs to solve the "chicken or the egg" problem,
  74 # thus it jumps back and forth, each time gaining something needed later on.
  75 #
  76 ###############################################################################
  77 
  78 # If we are requested to print additional help, do that and then exit.
  79 # This must be the very first call.
  80 HELP_PRINT_ADDITIONAL_HELP_AND_EXIT
  81 
  82 # Basic initialization that must happen first of all in the normal process.
  83 BASIC_INIT
  84 BASIC_SETUP_FUNDAMENTAL_TOOLS
  85 
  86 # Now we can determine OpenJDK build and target platforms. This is required to
  87 # have early on.
  88 PLATFORM_SETUP_OPENJDK_BUILD_AND_TARGET
  89 
  90 # Continue setting up basic stuff. Most remaining code require fundamental tools.
  91 BASIC_SETUP_PATHS
  92 
  93 # Check if it's a pure open build or if custom sources are to be used.
  94 JDKOPT_SETUP_OPEN_OR_CUSTOM
  95 
  96 # These are needed to be able to create a configuration name (and thus the output directory)
  97 JDKOPT_SETUP_JDK_VARIANT
  98 JDKOPT_SETUP_DEBUG_LEVEL
  99 HOTSPOT_SETUP_JVM_VARIANTS
 100 
 101 # With basic setup done, call the custom early hook.
 102 CUSTOM_EARLY_HOOK
 103 
 104 # Check if we have devkits, extra paths or sysroot set.
 105 BASIC_SETUP_DEVKIT
 106 
 107 # To properly create a configuration name, we need to have the OpenJDK target
 108 # and options (variants and debug level) parsed.
 109 BASIC_SETUP_OUTPUT_DIR
 110 
 111 # Must be done before we can call HELP_MSG_MISSING_DEPENDENCY.
 112 HELP_SETUP_DEPENDENCY_HELP
 113 
 114 # Setup tools that requires more complex handling, or that is not needed by the configure script.
 115 BASIC_SETUP_COMPLEX_TOOLS
 116 BASIC_CHECK_BASH_OPTIONS
 117 
 118 # Check if pkg-config is available.
 119 PKG_PROG_PKG_CONFIG
 120 
 121 # After basic tools have been setup, we can check build os specific details.
 122 PLATFORM_SETUP_OPENJDK_BUILD_OS_VERSION
 123 
 124 # Misc basic settings
 125 BASIC_SETUP_DEFAULT_MAKE_TARGET
 126 
 127 ###############################################################################
 128 #
 129 # Determine OpenJDK variants, options and version numbers.
 130 #
 131 ###############################################################################
 132 
 133 # We need build & target for this.
 134 JDKOPT_SETUP_JDK_OPTIONS
 135 JDKOPT_SETUP_JLINK_OPTIONS
 136 JDKVER_SETUP_JDK_VERSION_NUMBERS
 137 
 138 ###############################################################################
 139 #
 140 # Setup BootJDK, used to bootstrap the build.
 141 #
 142 ###############################################################################
 143 
 144 BOOTJDK_SETUP_BOOT_JDK
 145 BOOTJDK_SETUP_BUILD_JDK
 146 
 147 ###############################################################################
 148 #
 149 # Configure the sources to use. We can add or override individual directories.
 150 #
 151 ###############################################################################
 152 
 153 SRCDIRS_SETUP_TOPDIRS
 154 SRCDIRS_SETUP_ALTERNATIVE_TOPDIRS
 155 SRCDIRS_SETUP_OUTPUT_DIRS
 156 
 157 SRCDIRS_SETUP_IMPORT_MODULES
 158 
 159 ###############################################################################
 160 #
 161 # Setup the toolchain (compilers etc), i.e. tools used to compile and process
 162 # native code.
 163 #
 164 ###############################################################################
 165 
 166 # See if we are doing a complete static build or not
 167 JDKOPT_SETUP_STATIC_BUILD
 168 
 169 # First determine the toolchain type (compiler family)
 170 TOOLCHAIN_DETERMINE_TOOLCHAIN_TYPE
 171 
 172 # User supplied flags should be used when configure detects compilers
 173 FLAGS_SETUP_USER_SUPPLIED_FLAGS
 174 # The sysroot cflags are needed for configure to be able to run the compilers
 175 FLAGS_SETUP_SYSROOT_FLAGS
 176 
 177 # Then detect the actual binaries needed
 178 TOOLCHAIN_PRE_DETECTION
 179 TOOLCHAIN_DETECT_TOOLCHAIN_CORE
 180 TOOLCHAIN_DETECT_TOOLCHAIN_EXTRA
 181 TOOLCHAIN_POST_DETECTION
 182 
 183 # Finally do some processing after the detection phase
 184 TOOLCHAIN_SETUP_BUILD_COMPILERS
 185 TOOLCHAIN_SETUP_LEGACY
 186 TOOLCHAIN_MISC_CHECKS
 187 
 188 # Setup the JTReg Regression Test Harness.
 189 TOOLCHAIN_SETUP_JTREG
 190 
 191 FLAGS_SETUP_INIT_FLAGS
 192 
 193 # Now we can test some aspects on the target using configure macros.
 194 PLATFORM_SETUP_OPENJDK_TARGET_BITS
 195 PLATFORM_SETUP_OPENJDK_TARGET_ENDIANNESS
 196 
 197 # Configure flags for the tools
 198 FLAGS_SETUP_COMPILER_FLAGS_FOR_LIBS
 199 FLAGS_SETUP_COMPILER_FLAGS_FOR_OPTIMIZATION
 200 FLAGS_SETUP_COMPILER_FLAGS_FOR_JDK
 201 FLAGS_SETUP_COMPILER_FLAGS_MISC
 202 
 203 # Setup debug symbols (need objcopy from the toolchain for that)
 204 JDKOPT_SETUP_DEBUG_SYMBOLS
 205 JDKOPT_SETUP_CODE_COVERAGE
 206 
 207 # Need toolchain to setup dtrace
 208 HOTSPOT_SETUP_DTRACE
 209 HOTSPOT_ENABLE_DISABLE_AOT
 210 HOTSPOT_ENABLE_DISABLE_GTEST
 211 
 212 ###############################################################################
 213 #
 214 # Check dependencies for external and internal libraries.
 215 #
 216 ###############################################################################
 217 
 218 # After we have toolchain, we can compile fixpath. It's needed by the lib checks.
 219 BASIC_COMPILE_FIXPATH
 220 
 221 LIB_DETERMINE_DEPENDENCIES
 222 LIB_SETUP_LIBRARIES
 223 
 224 # Hotspot setup depends on lib checks (AOT needs libelf).
 225 
 226 HOTSPOT_SETUP_JVM_FEATURES
 227 
 228 ###############################################################################
 229 #
 230 # We need to do some final tweaking, when everything else is done.
 231 #
 232 ###############################################################################
 233 
 234 JDKOPT_DETECT_INTREE_EC
 235 JDKOPT_ENABLE_DISABLE_FAILURE_HANDLER
 236 JDKOPT_ENABLE_DISABLE_GENERATE_CLASSLIST
 237 
 238 ###############################################################################
 239 #
 240 # Configure parts of the build that only affect the build performance,
 241 # not the result.
 242 #
 243 ###############################################################################
 244 
 245 BPERF_SETUP_BUILD_CORES
 246 BPERF_SETUP_BUILD_MEMORY
 247 BPERF_SETUP_BUILD_JOBS
 248 BPERF_SETUP_TEST_JOBS
 249 
 250 # Setup arguments for the boot jdk (after cores and memory have been setup)
 251 BOOTJDK_SETUP_BOOT_JDK_ARGUMENTS
 252 
 253 # Setup smart javac (after cores and memory have been setup)
 254 BPERF_SETUP_SMART_JAVAC
 255 
 256 # Setup use of icecc if requested
 257 BPERF_SETUP_ICECC
 258 
 259 # Can the C/C++ compiler use precompiled headers?
 260 BPERF_SETUP_PRECOMPILED_HEADERS
 261 
 262 # Setup use of ccache, if available
 263 BPERF_SETUP_CCACHE
 264 
 265 ###############################################################################
 266 #
 267 # And now the finish...
 268 #
 269 ###############################################################################
 270 
 271 # Check for some common pitfalls
 272 BASIC_TEST_USABILITY_ISSUES
 273 
 274 # At the end, call the custom hook. (Dummy macro if no custom sources available)
 275 CUSTOM_LATE_HOOK
 276 
 277 # This needs to be done after CUSTOM_LATE_HOOK since we can setup custom features.
 278 HOTSPOT_VALIDATE_JVM_FEATURES
 279 
 280 # We're messing a bit with internal autoconf variables to put the config.status
 281 # in the output directory instead of the current directory.
 282 CONFIG_STATUS="$CONFIGURESUPPORT_OUTPUTDIR/config.status"
 283 
 284 # Create the actual output files. Now the main work of configure is done.
 285 AC_OUTPUT
 286 
 287 # After AC_OUTPUT, we need to do final work
 288 CUSTOM_CONFIG_OUTPUT_GENERATED_HOOK
 289 BASIC_POST_CONFIG_OUTPUT
 290 
 291 # Finally output some useful information to the user
 292 HELP_PRINT_SUMMARY_AND_WARNINGS
 293 CUSTOM_SUMMARY_AND_WARNINGS_HOOK
 294 HELP_REPEAT_WARNINGS