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 # Optional flag Setup based on ABI profile
  97 SETUP_ABI_PROFILE
  98 
  99 # These are needed to be able to create a configuration name (and thus the output directory)
 100 JDKOPT_SETUP_JDK_VARIANT
 101 JDKOPT_SETUP_DEBUG_LEVEL
 102 HOTSPOT_SETUP_JVM_VARIANTS
 103 
 104 # With basic setup done, call the custom early hook.
 105 CUSTOM_EARLY_HOOK
 106 
 107 # Check if we have devkits, extra paths or sysroot set.
 108 BASIC_SETUP_DEVKIT
 109 
 110 # To properly create a configuration name, we need to have the OpenJDK target
 111 # and options (variants and debug level) parsed.
 112 BASIC_SETUP_OUTPUT_DIR
 113 
 114 # Must be done before we can call HELP_MSG_MISSING_DEPENDENCY.
 115 HELP_SETUP_DEPENDENCY_HELP
 116 
 117 # Setup tools that requires more complex handling, or that is not needed by the configure script.
 118 BASIC_SETUP_COMPLEX_TOOLS
 119 BASIC_CHECK_BASH_OPTIONS
 120 
 121 # Check if pkg-config is available.
 122 PKG_PROG_PKG_CONFIG
 123 
 124 # After basic tools have been setup, we can check build os specific details.
 125 PLATFORM_SETUP_OPENJDK_BUILD_OS_VERSION
 126 
 127 # Misc basic settings
 128 BASIC_SETUP_DEFAULT_MAKE_TARGET
 129 
 130 ###############################################################################
 131 #
 132 # Determine OpenJDK variants, options and version numbers.
 133 #
 134 ###############################################################################
 135 
 136 # We need build & target for this.
 137 JDKOPT_SETUP_JDK_OPTIONS
 138 JDKOPT_SETUP_JLINK_OPTIONS
 139 JDKVER_SETUP_JDK_VERSION_NUMBERS
 140 
 141 ###############################################################################
 142 #
 143 # Setup BootJDK, used to bootstrap the build.
 144 #
 145 ###############################################################################
 146 
 147 BOOTJDK_SETUP_BOOT_JDK
 148 BOOTJDK_SETUP_BUILD_JDK
 149 
 150 ###############################################################################
 151 #
 152 # Configure the sources to use. We can add or override individual directories.
 153 #
 154 ###############################################################################
 155 
 156 SRCDIRS_SETUP_TOPDIRS
 157 SRCDIRS_SETUP_ALTERNATIVE_TOPDIRS
 158 SRCDIRS_SETUP_OUTPUT_DIRS
 159 
 160 SRCDIRS_SETUP_IMPORT_MODULES
 161 
 162 ###############################################################################
 163 #
 164 # Setup the toolchain (compilers etc), i.e. tools used to compile and process
 165 # native code.
 166 #
 167 ###############################################################################
 168 
 169 # See if we are doing a complete static build or not
 170 JDKOPT_SETUP_STATIC_BUILD
 171 
 172 # First determine the toolchain type (compiler family)
 173 TOOLCHAIN_DETERMINE_TOOLCHAIN_TYPE
 174 
 175 # User supplied flags should be used when configure detects compilers
 176 FLAGS_SETUP_USER_SUPPLIED_FLAGS
 177 # The sysroot cflags are needed for configure to be able to run the compilers
 178 FLAGS_SETUP_SYSROOT_FLAGS
 179 
 180 # Then detect the actual binaries needed
 181 TOOLCHAIN_PRE_DETECTION
 182 TOOLCHAIN_DETECT_TOOLCHAIN_CORE
 183 TOOLCHAIN_DETECT_TOOLCHAIN_EXTRA
 184 TOOLCHAIN_POST_DETECTION
 185 
 186 # Finally do some processing after the detection phase
 187 TOOLCHAIN_SETUP_BUILD_COMPILERS
 188 TOOLCHAIN_SETUP_LEGACY
 189 TOOLCHAIN_MISC_CHECKS
 190 
 191 # Setup the JTReg Regression Test Harness.
 192 TOOLCHAIN_SETUP_JTREG
 193 
 194 FLAGS_SETUP_INIT_FLAGS
 195 
 196 # Now we can test some aspects on the target using configure macros.
 197 PLATFORM_SETUP_OPENJDK_TARGET_BITS
 198 PLATFORM_SETUP_OPENJDK_TARGET_ENDIANNESS
 199 
 200 # Configure flags for the tools
 201 FLAGS_SETUP_COMPILER_FLAGS_FOR_LIBS
 202 FLAGS_SETUP_COMPILER_FLAGS_FOR_OPTIMIZATION
 203 FLAGS_SETUP_COMPILER_FLAGS_FOR_JDK
 204 FLAGS_SETUP_COMPILER_FLAGS_MISC
 205 
 206 # Setup debug symbols (need objcopy from the toolchain for that)
 207 JDKOPT_SETUP_DEBUG_SYMBOLS
 208 JDKOPT_SETUP_CODE_COVERAGE
 209 
 210 # Need toolchain to setup dtrace
 211 HOTSPOT_SETUP_DTRACE
 212 HOTSPOT_SETUP_JVM_FEATURES
 213 HOTSPOT_ENABLE_DISABLE_GTEST
 214 
 215 ###############################################################################
 216 #
 217 # Check dependencies for external and internal libraries.
 218 #
 219 ###############################################################################
 220 
 221 # After we have toolchain, we can compile fixpath. It's needed by the lib checks.
 222 BASIC_COMPILE_FIXPATH
 223 
 224 LIB_DETERMINE_DEPENDENCIES
 225 LIB_SETUP_LIBRARIES
 226 
 227 ###############################################################################
 228 #
 229 # We need to do some final tweaking, when everything else is done.
 230 #
 231 ###############################################################################
 232 
 233 JDKOPT_DETECT_INTREE_EC
 234 JDKOPT_ENABLE_DISABLE_FAILURE_HANDLER
 235 JDKOPT_ENABLE_DISABLE_GENERATE_CLASSLIST
 236 
 237 ###############################################################################
 238 #
 239 # Configure parts of the build that only affect the build performance,
 240 # not the result.
 241 #
 242 ###############################################################################
 243 
 244 BPERF_SETUP_BUILD_CORES
 245 BPERF_SETUP_BUILD_MEMORY
 246 BPERF_SETUP_BUILD_JOBS
 247 BPERF_SETUP_TEST_JOBS
 248 
 249 # Setup arguments for the boot jdk (after cores and memory have been setup)
 250 BOOTJDK_SETUP_BOOT_JDK_ARGUMENTS
 251 
 252 # Setup smart javac (after cores and memory have been setup)
 253 BPERF_SETUP_SMART_JAVAC
 254 
 255 # Setup use of icecc if requested
 256 BPERF_SETUP_ICECC
 257 
 258 # Can the C/C++ compiler use precompiled headers?
 259 BPERF_SETUP_PRECOMPILED_HEADERS
 260 
 261 # Setup use of ccache, if available
 262 BPERF_SETUP_CCACHE
 263 
 264 ###############################################################################
 265 #
 266 # And now the finish...
 267 #
 268 ###############################################################################
 269 
 270 # Check for some common pitfalls
 271 BASIC_TEST_USABILITY_ISSUES
 272 
 273 # At the end, call the custom hook. (Dummy macro if no custom sources available)
 274 CUSTOM_LATE_HOOK
 275 
 276 # This needs to be done after CUSTOM_LATE_HOOK since we can setup custom features.
 277 HOTSPOT_VALIDATE_JVM_FEATURES
 278 
 279 # We're messing a bit with internal autoconf variables to put the config.status
 280 # in the output directory instead of the current directory.
 281 CONFIG_STATUS="$CONFIGURESUPPORT_OUTPUTDIR/config.status"
 282 
 283 # Create the actual output files. Now the main work of configure is done.
 284 AC_OUTPUT
 285 
 286 # After AC_OUTPUT, we need to do final work
 287 CUSTOM_CONFIG_OUTPUT_GENERATED_HOOK
 288 BASIC_POST_CONFIG_OUTPUT
 289 
 290 # Finally output some useful information to the user
 291 HELP_PRINT_SUMMARY_AND_WARNINGS
 292 CUSTOM_SUMMARY_AND_WARNINGS_HOOK
 293 HELP_REPEAT_WARNINGS