#

# Copyright (c) 2011, 2016, 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([2.69])

AC_INIT(OpenJDK, jdk9, build-dev@openjdk.java.net,,http://openjdk.java.net)

AC_CONFIG_AUX_DIR([$TOPDIR/common/autoconf/build-aux])

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

# Include these first...

m4_include([basics.m4])

m4_include([basics_windows.m4])

# ... then the rest

m4_include([boot-jdk.m4])

m4_include([build-performance.m4])

m4_include([flags.m4])

m4_include([help.m4])

m4_include([hotspot.m4])

m4_include([jdk-options.m4])

m4_include([jdk-version.m4])

m4_include([libraries.m4])

m4_include([platform.m4])

m4_include([source-dirs.m4])

m4_include([toolchain.m4])

m4_include([toolchain_windows.m4])

AC_DEFUN_ONCE([CUSTOM_EARLY_HOOK])

AC_DEFUN_ONCE([CUSTOM_LATE_HOOK])

AC_DEFUN_ONCE([CUSTOM_CONFIG_OUTPUT_GENERATED_HOOK])

AC_DEFUN_ONCE([CUSTOM_SUMMARY_AND_WARNINGS_HOOK])

# This line needs to be here, verbatim, after all includes and the dummy hook

# definitions. It is replaced with custom functionality when building

# custom sources.

#CUSTOM_AUTOCONF_INCLUDE

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

DATE_WHEN_GENERATED=@DATE_WHEN_GENERATED@

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

#

# Initialization / Boot-strapping

#

# The bootstrapping process needs to solve the "chicken or the egg" problem,

# thus it jumps back and forth, each time gaining something needed later on.

#

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

# If we are requested to print additional help, do that and then exit.

# This must be the very first call.

HELP_PRINT_ADDITIONAL_HELP_AND_EXIT

# Basic initialization that must happen first of all in the normal process.

BASIC_INIT

BASIC_SETUP_FUNDAMENTAL_TOOLS

# 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. Most remaining code require fundamental tools.

BASIC_SETUP_PATHS

# Check if it's a pure open build or if custom sources are to be used.

JDKOPT_SETUP_OPEN_OR_CUSTOM

# These are needed to be able to create a configuration name (and thus the output directory)

JDKOPT_SETUP_JDK_VARIANT

JDKOPT_SETUP_DEBUG_LEVEL

HOTSPOT_SETUP_JVM_VARIANTS

# With basic setup done, call the custom early hook.

CUSTOM_EARLY_HOOK

# Check if we have devkits, extra paths or sysroot set.

BASIC_SETUP_DEVKIT

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

# and options (variants and debug level) parsed.

BASIC_SETUP_OUTPUT_DIR

# Must be done before we can call HELP_MSG_MISSING_DEPENDENCY.

HELP_SETUP_DEPENDENCY_HELP

# Setup tools that requires more complex handling, or that is not needed by the configure script.

BASIC_SETUP_COMPLEX_TOOLS

BASIC_CHECK_BASH_OPTIONS

# 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

# Misc basic settings

BASIC_SETUP_DEFAULT_MAKE_TARGET

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

#

# Determine OpenJDK variants, options and version numbers.

#

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

# We need build & target for this.

JDKOPT_SETUP_JDK_OPTIONS

JDKOPT_SETUP_JLINK_OPTIONS

JDKVER_SETUP_JDK_VERSION_NUMBERS

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

#

# Setup BootJDK, used to bootstrap the build.

#

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

BOOTJDK_SETUP_BOOT_JDK

BOOTJDK_SETUP_BUILD_JDK

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

#

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

#

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

SRCDIRS_SETUP_TOPDIRS

SRCDIRS_SETUP_ALTERNATIVE_TOPDIRS

SRCDIRS_SETUP_OUTPUT_DIRS

SRCDIRS_SETUP_IMPORT_MODULES

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

#

# Setup the toolchain (compilers etc), i.e. tools used to compile and process

# native code.

#

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

# See if we are doing a complete static build or not

JDKOPT_SETUP_STATIC_BUILD

# First determine the toolchain type (compiler family)

TOOLCHAIN_DETERMINE_TOOLCHAIN_TYPE

# User supplied flags should be used when configure detects compilers

FLAGS_SETUP_USER_SUPPLIED_FLAGS

# The sysroot cflags are needed for configure to be able to run the compilers

FLAGS_SETUP_SYSROOT_FLAGS

# Then detect the actual binaries needed

TOOLCHAIN_PRE_DETECTION

TOOLCHAIN_DETECT_TOOLCHAIN_CORE

TOOLCHAIN_DETECT_TOOLCHAIN_EXTRA

TOOLCHAIN_POST_DETECTION

# Finally do some processing after the detection phase

TOOLCHAIN_SETUP_BUILD_COMPILERS

TOOLCHAIN_MISC_CHECKS

# Setup the JTReg Regression Test Harness.

TOOLCHAIN_SETUP_JTREG

FLAGS_SETUP_INIT_FLAGS

# Now 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

FLAGS_SETUP_COMPILER_FLAGS_FOR_LIBS

FLAGS_SETUP_COMPILER_FLAGS_FOR_OPTIMIZATION

FLAGS_SETUP_COMPILER_FLAGS_FOR_JDK

FLAGS_SETUP_COMPILER_FLAGS_MISC

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

JDKOPT_SETUP_DEBUG_SYMBOLS

JDKOPT_SETUP_CODE_COVERAGE

# Need toolchain to setup dtrace

HOTSPOT_SETUP_DTRACE

HOTSPOT_ENABLE_DISABLE_AOT

HOTSPOT_ENABLE_DISABLE_GTEST

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

#

# Check dependencies for external and internal libraries.

#

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

# After we have toolchain, we can compile fixpath. It's needed by the lib checks.

BASIC_COMPILE_FIXPATH

LIB_DETERMINE_DEPENDENCIES

LIB_SETUP_LIBRARIES

# Hotspot setup depends on lib checks (AOT needs libelf).

HOTSPOT_SETUP_JVM_FEATURES

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

#

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

#

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

JDKOPT_DETECT_INTREE_EC

JDKOPT_ENABLE_DISABLE_FAILURE_HANDLER

JDKOPT_ENABLE_DISABLE_GENERATE_CLASSLIST

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

#

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

# not the result.

#

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

BPERF_SETUP_BUILD_CORES

BPERF_SETUP_BUILD_MEMORY

BPERF_SETUP_BUILD_JOBS

BPERF_SETUP_TEST_JOBS

# Setup arguments for the boot jdk (after cores and memory have been setup)

BOOTJDK_SETUP_BOOT_JDK_ARGUMENTS

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

BPERF_SETUP_SMART_JAVAC

# Setup use of icecc if requested

BPERF_SETUP_ICECC

# 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_LATE_HOOK

# This needs to be done after CUSTOM_LATE_HOOK since we can setup custom features.

HOTSPOT_VALIDATE_JVM_FEATURES

# 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="$CONFIGURESUPPORT_OUTPUTDIR/config.status"

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

AC_OUTPUT

# After AC_OUTPUT, we need to do final work

CUSTOM_CONFIG_OUTPUT_GENERATED_HOOK

BASIC_POST_CONFIG_OUTPUT

# Finally output some useful information to the user

HELP_PRINT_SUMMARY_AND_WARNINGS

CUSTOM_SUMMARY_AND_WARNINGS_HOOK

HELP_REPEAT_WARNINGS