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