1 #
   2 # Copyright (c) 2011, 2020, 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, openjdk, build-dev@openjdk.java.net,,http://openjdk.java.net)
  35 
  36 AC_CONFIG_AUX_DIR([$TOPDIR/make/autoconf/build-aux])
  37 m4_include([build-aux/pkg.m4])
  38 
  39 AC_DEFUN_ONCE([CUSTOM_EARLY_HOOK])
  40 AC_DEFUN_ONCE([CUSTOM_LATE_HOOK])
  41 AC_DEFUN_ONCE([CUSTOM_CONFIG_OUTPUT_GENERATED_HOOK])
  42 AC_DEFUN_ONCE([CUSTOM_SUMMARY_AND_WARNINGS_HOOK])
  43 
  44 # This line needs to be here, verbatim, after the dummy hook definitions but
  45 # before all includes. It is replaced with custom functionality when building
  46 # custom sources.
  47 #CUSTOM_AUTOCONF_INCLUDE
  48 
  49 # Include these first...
  50 m4_include([util.m4])
  51 # ... then the rest
  52 m4_include([basic.m4])
  53 m4_include([boot-jdk.m4])
  54 m4_include([build-performance.m4])
  55 m4_include([flags.m4])
  56 m4_include([help.m4])
  57 m4_include([hotspot.m4])
  58 m4_include([jdk-options.m4])
  59 m4_include([jdk-version.m4])
  60 m4_include([jvm-features.m4])
  61 m4_include([libraries.m4])
  62 m4_include([platform.m4])
  63 m4_include([source-dirs.m4])
  64 m4_include([toolchain.m4])
  65 
  66 ###############################################################################
  67 #
  68 # Initialization / Boot-strapping
  69 #
  70 # The bootstrapping process needs to solve the "chicken or the egg" problem,
  71 # thus it jumps back and forth, each time gaining something needed later on.
  72 #
  73 ###############################################################################
  74 
  75 # If we are requested to print additional help, do that and then exit.
  76 # This must be the very first call.
  77 HELP_PRINT_ADDITIONAL_HELP_AND_EXIT
  78 
  79 # Basic initialization that must happen first of all in the normal process.
  80 BASIC_INIT
  81 BASIC_SETUP_FUNDAMENTAL_TOOLS
  82 
  83 # Now we can determine OpenJDK build and target platforms. This is required to
  84 # have early on.
  85 PLATFORM_SETUP_OPENJDK_BUILD_AND_TARGET
  86 
  87 # Continue setting up basic stuff. Most remaining code require fundamental tools.
  88 BASIC_SETUP_PATHS
  89 
  90 # Check if it's a pure open build or if custom sources are to be used.
  91 JDKOPT_SETUP_OPEN_OR_CUSTOM
  92 
  93 # These are needed to be able to create a configuration name (and thus the output directory)
  94 JDKOPT_SETUP_DEBUG_LEVEL
  95 HOTSPOT_SETUP_JVM_VARIANTS
  96 
  97 # With basic setup done, call the custom early hook.
  98 CUSTOM_EARLY_HOOK
  99 
 100 # This only needs debug level to be setup
 101 JDKOPT_ALLOW_ABSOLUTE_PATHS_IN_OUTPUT
 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 # Misc basic settings
 124 BASIC_SETUP_DEFAULT_MAKE_TARGET
 125 BASIC_SETUP_DEFAULT_LOG
 126 
 127 ###############################################################################
 128 #
 129 # Determine OpenJDK variants and version numbers.
 130 #
 131 ###############################################################################
 132 
 133 # We need build & target for this.
 134 JDKOPT_SETUP_JLINK_OPTIONS
 135 JDKVER_SETUP_JDK_VERSION_NUMBERS
 136 
 137 ###############################################################################
 138 #
 139 # Setup BootJDK, used to bootstrap the build.
 140 #
 141 ###############################################################################
 142 
 143 BOOTJDK_SETUP_BOOT_JDK
 144 BOOTJDK_SETUP_BUILD_JDK
 145 
 146 ###############################################################################
 147 #
 148 # Determine JDK specific build time options.
 149 #
 150 ###############################################################################
 151 
 152 JDKOPT_SETUP_JDK_OPTIONS
 153 
 154 ###############################################################################
 155 #
 156 # Configure the sources to use. We can add or override individual directories.
 157 #
 158 ###############################################################################
 159 
 160 SRCDIRS_SETUP_DIRS
 161 SRCDIRS_SETUP_IMPORT_MODULES
 162 
 163 ###############################################################################
 164 #
 165 # Setup the toolchain (compilers etc), i.e. tools used to compile and process
 166 # native code.
 167 #
 168 ###############################################################################
 169 
 170 # See if we are doing a complete static build or not
 171 JDKOPT_SETUP_STATIC_BUILD
 172 
 173 # First determine the toolchain type (compiler family)
 174 TOOLCHAIN_DETERMINE_TOOLCHAIN_TYPE
 175 
 176 # The global flags are needed for configure to be able to run the compilers
 177 # correctly.
 178 FLAGS_PRE_TOOLCHAIN
 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_MISC_CHECKS
 189 
 190 # Setup the JTReg Regression Test Harness.
 191 TOOLCHAIN_SETUP_JTREG
 192 
 193 # Setup the Java Microbenchmark Harness (JMH)
 194 LIB_TESTS_SETUP_JMH
 195 
 196 # Setup Jib dependency tool
 197 TOOLCHAIN_SETUP_JIB
 198 
 199 # After toolchain setup, we need to process some flags to be able to continue.
 200 FLAGS_POST_TOOLCHAIN
 201 
 202 # Now we can test some aspects on the target using configure macros.
 203 PLATFORM_SETUP_OPENJDK_TARGET_BITS
 204 PLATFORM_SETUP_OPENJDK_TARGET_ENDIANNESS
 205 
 206 # Configure flags for the tools
 207 FLAGS_SETUP_FLAGS
 208 
 209 # Setup debug symbols (need objcopy from the toolchain for that)
 210 JDKOPT_SETUP_DEBUG_SYMBOLS
 211 JDKOPT_SETUP_CODE_COVERAGE
 212 
 213 # AddressSanitizer
 214 JDKOPT_SETUP_ADDRESS_SANITIZER
 215 
 216 ###############################################################################
 217 #
 218 # Check dependencies for external and internal libraries.
 219 #
 220 ###############################################################################
 221 
 222 # After we have toolchain, we can compile fixpath. It's needed by the lib checks.
 223 BASIC_COMPILE_FIXPATH
 224 
 225 LIB_DETERMINE_DEPENDENCIES
 226 LIB_SETUP_LIBRARIES
 227 
 228 ###############################################################################
 229 #
 230 # Setup hotspot and JVM features (needs toolchain).
 231 #
 232 ###############################################################################
 233 
 234 JVM_FEATURES_PARSE_OPTIONS
 235 JVM_FEATURES_SETUP
 236 
 237 HOTSPOT_SETUP_MISC
 238 
 239 ###############################################################################
 240 #
 241 # We need to do some final tweaking, when everything else is done.
 242 #
 243 ###############################################################################
 244 
 245 JDKOPT_DETECT_INTREE_EC
 246 JDKOPT_ENABLE_DISABLE_FAILURE_HANDLER
 247 JDKOPT_ENABLE_DISABLE_GENERATE_CLASSLIST
 248 JDKOPT_EXCLUDE_TRANSLATIONS
 249 JDKOPT_ENABLE_DISABLE_MANPAGES
 250 JDKOPT_ENABLE_DISABLE_CDS_ARCHIVE
 251 JDKOPT_SETUP_REPRODUCIBLE_BUILD
 252 
 253 ###############################################################################
 254 #
 255 # Configure parts of the build that only affect the build performance,
 256 # not the result.
 257 #
 258 ###############################################################################
 259 
 260 BPERF_SETUP_BUILD_CORES
 261 BPERF_SETUP_BUILD_MEMORY
 262 BPERF_SETUP_BUILD_JOBS
 263 BPERF_SETUP_TEST_JOBS
 264 BPERF_SETUP_JAVAC_SERVER
 265 
 266 # Setup arguments for the boot jdk (after cores and memory have been setup)
 267 BOOTJDK_SETUP_BOOT_JDK_ARGUMENTS
 268 
 269 # Setup use of icecc if requested
 270 BPERF_SETUP_ICECC
 271 
 272 # Can the C/C++ compiler use precompiled headers?
 273 BPERF_SETUP_PRECOMPILED_HEADERS
 274 
 275 # Setup use of ccache, if available
 276 BPERF_SETUP_CCACHE
 277 
 278 ###############################################################################
 279 #
 280 # And now the finish...
 281 #
 282 ###############################################################################
 283 
 284 # Check for some common pitfalls
 285 BASIC_TEST_USABILITY_ISSUES
 286 
 287 # At the end, call the custom hook. (Dummy macro if no custom sources available)
 288 CUSTOM_LATE_HOOK
 289 
 290 # Did user specify any unknown variables?
 291 BASIC_CHECK_LEFTOVER_OVERRIDDEN
 292 
 293 # We're messing a bit with internal autoconf variables to put the config.status
 294 # in the output directory instead of the current directory.
 295 CONFIG_STATUS="$CONFIGURESUPPORT_OUTPUTDIR/config.status"
 296 
 297 # Create the actual output files. Now the main work of configure is done.
 298 AC_OUTPUT
 299 
 300 # After AC_OUTPUT, we need to do final work
 301 CUSTOM_CONFIG_OUTPUT_GENERATED_HOOK
 302 BASIC_POST_CONFIG_OUTPUT
 303 
 304 # Finally output some useful information to the user
 305 HELP_PRINT_SUMMARY_AND_WARNINGS
 306 CUSTOM_SUMMARY_AND_WARNINGS_HOOK
 307 HELP_REPEAT_WARNINGS