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 #

 # Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.

 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 #

 # This code is free software; you can redistribute it and/or modify it

 # under the terms of the GNU General Public License version 2 only, as

 # published by the Free Software Foundation.  Oracle designates this

 # particular file as subject to the "Classpath" exception as provided

 # by Oracle in the LICENSE file that accompanied this code.

 #

 # This code is distributed in the hope that it will be useful, but WITHOUT

 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 # FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 # version 2 for more details (a copy is included in the LICENSE file that

 # accompanied this code).

 #

 # You should have received a copy of the GNU General Public License version

 # 2 along with this work; if not, write to the Free Software Foundation,

 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 #

 # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 # or visit www.oracle.com if you need additional information or have any

 # questions.

 #

 ###############################################################################

 #

 # Includes and boilerplate

 #

 ###############################################################################

 AC_PREREQ([2.61])

 AC_INIT(openjdk, jdk8, build-dev@openjdk.java.net)

 # Do not change or remove the following line, it is needed for consistency checks:

 # DATE_WHEN_GENERATED: @DATE_WHEN_GENERATED@

 AC_CONFIG_AUX_DIR([build-aux])

 m4_include([build-aux/pkg.m4])

 # Include these first...

 m4_include([basics.m4])

 m4_include([builddeps.m4])

 # ... then the rest

 m4_include([boot-jdk.m4])

 m4_include([build-performance.m4])

 m4_include([help.m4])

 m4_include([jdk-options.m4])

 m4_include([libraries.m4])

 m4_include([platform.m4])

 m4_include([source-dirs.m4])

 m4_include([toolchain.m4])

 # This line needs to be here, verbatim, after all includes.

 # It is replaced with custom functionality when building

 # custom sources.

 AC_DEFUN_ONCE([CUSTOM_HOOK])

 ###############################################################################

 #

 # Initialization

 #

 ###############################################################################

 # Basic initialization that must happen first of all

 BASIC_INIT

 # Now we can determine OpenJDK build and target platforms. This is required to

 # have early on.

 PLATFORM_SETUP_OPENJDK_BUILD_AND_TARGET

 # Continue setting up basic stuff.

 BASIC_SETUP_PATHS

 BASIC_SETUP_LOGGING

 # Must be done before we can call HELP_MSG_MISSING_DEPENDENCY.

 HELP_SETUP_DEPENDENCY_HELP

 # Setup simple tools, that do not need have cross compilation support.

 # Without these, we can't properly run the rest of the configure script.

 BASIC_SETUP_TOOLS

 # Check if pkg-config is available.

 PKG_PROG_PKG_CONFIG

 # After basic tools have been setup, we can check build os specific details.

 PLATFORM_SETUP_OPENJDK_BUILD_OS_VERSION

 # Setup builddeps, for automatic downloading of tools we need.

 # This is needed before we can call BDEPS_CHECK_MODULE, which is done in

 # boot-jdk setup, but we need to have basic tools setup first.

 BDEPS_CONFIGURE_BUILDDEPS

 BDEPS_SCAN_FOR_BUILDDEPS

 ###############################################################################

 #

 # Determine OpenJDK variants, options and version numbers.

 #

 ###############################################################################

 # We need build & target for this.

 JDKOPT_SETUP_JDK_VARIANT

 JDKOPT_SETUP_JVM_VARIANTS

 JDKOPT_SETUP_DEBUG_LEVEL

 JDKOPT_SETUP_JDK_OPTIONS

 JDKOPT_SETUP_JDK_VERSION_NUMBERS

 # To properly create a configuration name, we need to have the OpenJDK target

 # and options (variants and debug level) parsed.

 BASIC_SETUP_OUTPUT_DIR

 ###############################################################################

 #

 # Setup BootJDK, used to bootstrap the build.

 #

 ###############################################################################

 BOOTJDK_SETUP_BOOT_JDK

 BOOTJDK_SETUP_BOOT_JDK_ARGUMENTS

 ###############################################################################

 #

 # Configure the sources to use. We can add or override individual directories.

 #

 ###############################################################################

 SRCDIRS_SETUP_TOPDIRS

 SRCDIRS_SETUP_ALTERNATIVE_TOPDIRS

 SRCDIRS_SETUP_OUTPUT_DIRS

 ###############################################################################

 #

 # Setup the toolchain (compilers etc), i.e. the tools that need to be

 # cross-compilation aware.

 #

 ###############################################################################

 TOOLCHAIN_SETUP_SYSROOT_AND_OUT_OPTIONS

 TOOLCHAIN_SETUP_VISUAL_STUDIO_ENV

 # Locate the actual tools

 TOOLCHAIN_SETUP_PATHS

 # FIXME: Currently we must test this after paths but before flags. Fix!

 # And we can test some aspects on the target using configure macros.

 PLATFORM_SETUP_OPENJDK_TARGET_BITS

 PLATFORM_SETUP_OPENJDK_TARGET_ENDIANNESS

 # Configure flags for the tools

 TOOLCHAIN_SETUP_COMPILER_FLAGS_FOR_LIBS

 TOOLCHAIN_SETUP_COMPILER_FLAGS_FOR_OPTIMIZATION

 TOOLCHAIN_SETUP_COMPILER_FLAGS_FOR_JDK

 # After we have toolchain, we can compile the uncygdrive helper

 BASIC_COMPILE_UNCYGDRIVE

 # Setup debug symbols (need objcopy from the toolchain for that)

 JDKOPT_SETUP_DEBUG_SYMBOLS

 ###############################################################################

 #

 # Check dependencies for external and internal libraries.

 #

 ###############################################################################

 LIB_SETUP_INIT

 LIB_SETUP_X11

 LIB_SETUP_CUPS

 LIB_SETUP_FREETYPE

 LIB_SETUP_ALSA

 LIB_SETUP_MISC_LIBS

 LIB_SETUP_STATIC_LINK_LIBSTDCPP

 ###############################################################################

 #

 # We need to do some final tweaking, when everything else is done.

 #

 ###############################################################################

 JDKOPT_SETUP_BUILD_TWEAKS

 ###############################################################################

 #

 # Configure parts of the build that only affect the build performance,

 # not the result.

 #

 ###############################################################################

 BPERF_SETUP_BUILD_CORES

 BPERF_SETUP_BUILD_MEMORY

 # Setup smart javac (after cores and memory have been setup)

 BPERF_SETUP_SMART_JAVAC

 # Can the C/C++ compiler use precompiled headers?

 BPERF_SETUP_PRECOMPILED_HEADERS

 # Setup use of ccache, if available

 BPERF_SETUP_CCACHE

 ###############################################################################

 #

 # And now the finish...

 #

 ###############################################################################

 # Check for some common pitfalls

 BASIC_TEST_USABILITY_ISSUES

 # At the end, call the custom hook. (Dummy macro if no custom sources available)

 CUSTOM_HOOK

 # We're messing a bit with internal autoconf variables to put the config.status

 # in the output directory instead of the current directory.

 CONFIG_STATUS="$OUTPUT_ROOT/config.status"

 # Create the actual output files. Now the main work of configure is done.

 AC_OUTPUT

 # Make the compare script executable

 $CHMOD +x $OUTPUT_ROOT/compare.sh

 # Finally output some useful information to the user

 HELP_PRINT_SUMMARY_AND_WARNINGS