1#
2# Copyright (c) 2011, 2019, 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
33AC_PREREQ([2.69])
34AC_INIT(OpenJDK, openjdk, build-dev@openjdk.java.net,,http://openjdk.java.net)
35
36AC_CONFIG_AUX_DIR([$TOPDIR/make/autoconf/build-aux])
37m4_include([build-aux/pkg.m4])
38
39# Include these first...
40m4_include([basics.m4])
41m4_include([basics_windows.m4])
42# ... then the rest
43m4_include([boot-jdk.m4])
44m4_include([build-performance.m4])
45m4_include([flags.m4])
46m4_include([help.m4])
47m4_include([hotspot.m4])
48m4_include([jdk-options.m4])
49m4_include([jdk-version.m4])
50m4_include([libraries.m4])
51m4_include([platform.m4])
52m4_include([source-dirs.m4])
53m4_include([toolchain.m4])
54m4_include([toolchain_windows.m4])
55
56AC_DEFUN_ONCE([CUSTOM_EARLY_HOOK])
57AC_DEFUN_ONCE([CUSTOM_LATE_HOOK])
58AC_DEFUN_ONCE([CUSTOM_CONFIG_OUTPUT_GENERATED_HOOK])
59AC_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###############################################################################
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.
77HELP_PRINT_ADDITIONAL_HELP_AND_EXIT
78
79# Basic initialization that must happen first of all in the normal process.
80BASIC_INIT
81BASIC_SETUP_FUNDAMENTAL_TOOLS
82
83# Now we can determine OpenJDK build and target platforms. This is required to
84# have early on.
85PLATFORM_SETUP_OPENJDK_BUILD_AND_TARGET
86
87# Continue setting up basic stuff. Most remaining code require fundamental tools.
88BASIC_SETUP_PATHS
89
90# Check if it's a pure open build or if custom sources are to be used.
91JDKOPT_SETUP_OPEN_OR_CUSTOM
92
93# These are needed to be able to create a configuration name (and thus the output directory)
94JDKOPT_SETUP_DEBUG_LEVEL
95HOTSPOT_SETUP_JVM_VARIANTS
96
97# With basic setup done, call the custom early hook.
98CUSTOM_EARLY_HOOK
99
100# This only needs debug level to be setup
101JDKOPT_ALLOW_ABSOLUTE_PATHS_IN_OUTPUT
102
103# Check if we have devkits, extra paths or sysroot set.
104BASIC_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.
108BASIC_SETUP_OUTPUT_DIR
109
110# Must be done before we can call HELP_MSG_MISSING_DEPENDENCY.
111HELP_SETUP_DEPENDENCY_HELP
112
113# Setup tools that requires more complex handling, or that is not needed by the configure script.
114BASIC_SETUP_COMPLEX_TOOLS
115BASIC_CHECK_BASH_OPTIONS
116
117# Check if pkg-config is available.
118PKG_PROG_PKG_CONFIG
119
120# After basic tools have been setup, we can check build os specific details.
121PLATFORM_SETUP_OPENJDK_BUILD_OS_VERSION
122
123# Misc basic settings
124BASIC_SETUP_DEFAULT_MAKE_TARGET
125BASIC_SETUP_DEFAULT_LOG
126
127###############################################################################
128#
129# Determine OpenJDK variants, options and version numbers.
130#
131###############################################################################
132
133# We need build & target for this.
134JDKOPT_SETUP_JDK_OPTIONS
135JDKOPT_SETUP_JLINK_OPTIONS
136JDKVER_SETUP_JDK_VERSION_NUMBERS
137
138###############################################################################
139#
140# Setup BootJDK, used to bootstrap the build.
141#
142###############################################################################
143
144BOOTJDK_SETUP_BOOT_JDK
145BOOTJDK_SETUP_BUILD_JDK
146
147###############################################################################
148#
149# Configure the sources to use. We can add or override individual directories.
150#
151###############################################################################
152
153SRCDIRS_SETUP_DIRS
154SRCDIRS_SETUP_IMPORT_MODULES
155
156###############################################################################
157#
158# Setup the toolchain (compilers etc), i.e. tools used to compile and process
159# native code.
160#
161###############################################################################
162
163# See if we are doing a complete static build or not
164JDKOPT_SETUP_STATIC_BUILD
165
166# First determine the toolchain type (compiler family)
167TOOLCHAIN_DETERMINE_TOOLCHAIN_TYPE
168
169# The global flags are needed for configure to be able to run the compilers
170# correctly.
171FLAGS_PRE_TOOLCHAIN
172
173# Then detect the actual binaries needed
174TOOLCHAIN_PRE_DETECTION
175TOOLCHAIN_DETECT_TOOLCHAIN_CORE
176TOOLCHAIN_DETECT_TOOLCHAIN_EXTRA
177TOOLCHAIN_POST_DETECTION
178
179# Finally do some processing after the detection phase
180TOOLCHAIN_SETUP_BUILD_COMPILERS
181TOOLCHAIN_MISC_CHECKS
182
183# Setup the JTReg Regression Test Harness.
184TOOLCHAIN_SETUP_JTREG
185
186# Setup the Java Microbenchmark Harness (JMH)
187LIB_TESTS_SETUP_JMH
188
189# Setup Jib dependency tool
190TOOLCHAIN_SETUP_JIB
191
192# After toolchain setup, we need to process some flags to be able to continue.
193FLAGS_POST_TOOLCHAIN
194
195# Now we can test some aspects on the target using configure macros.
196PLATFORM_SETUP_OPENJDK_TARGET_BITS
197PLATFORM_SETUP_OPENJDK_TARGET_ENDIANNESS
198
199# Configure flags for the tools
200FLAGS_SETUP_FLAGS
201
202# Setup debug symbols (need objcopy from the toolchain for that)
203JDKOPT_SETUP_DEBUG_SYMBOLS
204JDKOPT_SETUP_CODE_COVERAGE
205
206# AddressSanitizer
207JDKOPT_SETUP_ADDRESS_SANITIZER
208
209# Need toolchain to setup dtrace
210HOTSPOT_SETUP_DTRACE
211HOTSPOT_ENABLE_DISABLE_AOT
212HOTSPOT_ENABLE_DISABLE_CDS
213HOTSPOT_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.
222BASIC_COMPILE_FIXPATH
223
224LIB_DETERMINE_DEPENDENCIES
225LIB_SETUP_LIBRARIES
226
227# Hotspot setup depends on lib checks.
228
229HOTSPOT_SETUP_JVM_FEATURES
230
231###############################################################################
232#
233# We need to do some final tweaking, when everything else is done.
234#
235###############################################################################
236
237JDKOPT_DETECT_INTREE_EC
238JDKOPT_ENABLE_DISABLE_FAILURE_HANDLER
239JDKOPT_ENABLE_DISABLE_GENERATE_CLASSLIST
240JDKOPT_EXCLUDE_TRANSLATIONS
241JDKOPT_ENABLE_DISABLE_MANPAGES
242JDKOPT_ENABLE_DISABLE_CDS_ARCHIVE
243
244###############################################################################
245#
246# Configure parts of the build that only affect the build performance,
247# not the result.
248#
249###############################################################################
250
251BPERF_SETUP_BUILD_CORES
252BPERF_SETUP_BUILD_MEMORY
253BPERF_SETUP_BUILD_JOBS
254BPERF_SETUP_TEST_JOBS
255
256# Setup arguments for the boot jdk (after cores and memory have been setup)
257BOOTJDK_SETUP_BOOT_JDK_ARGUMENTS
258
259# Setup smart javac (after cores and memory have been setup)
260BPERF_SETUP_SMART_JAVAC
261
262# Setup use of icecc if requested
263BPERF_SETUP_ICECC
264
265# Can the C/C++ compiler use precompiled headers?
266BPERF_SETUP_PRECOMPILED_HEADERS
267
268# Setup use of ccache, if available
269BPERF_SETUP_CCACHE
270
271###############################################################################
272#
273# And now the finish...
274#
275###############################################################################
276
277# Check for some common pitfalls
278BASIC_TEST_USABILITY_ISSUES
279
280# At the end, call the custom hook. (Dummy macro if no custom sources available)
281CUSTOM_LATE_HOOK
282
283# This needs to be done after CUSTOM_LATE_HOOK since we can setup custom features.
284HOTSPOT_FINALIZE_JVM_FEATURES
285
286# Did user specify any unknown variables?
287BASIC_CHECK_LEFTOVER_OVERRIDDEN
288
289# We're messing a bit with internal autoconf variables to put the config.status
290# in the output directory instead of the current directory.
291CONFIG_STATUS="$CONFIGURESUPPORT_OUTPUTDIR/config.status"
292
293# Create the actual output files. Now the main work of configure is done.
294AC_OUTPUT
295
296# After AC_OUTPUT, we need to do final work
297CUSTOM_CONFIG_OUTPUT_GENERATED_HOOK
298BASIC_POST_CONFIG_OUTPUT
299
300# Finally output some useful information to the user
301HELP_PRINT_SUMMARY_AND_WARNINGS
302CUSTOM_SUMMARY_AND_WARNINGS_HOOK
303HELP_REPEAT_WARNINGS
304