configure.ac revision 1482:98e85b507b09 
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
33AC_PREREQ([2.69])
34AC_INIT(OpenJDK, jdk9, build-dev@openjdk.java.net,,http://openjdk.java.net)
35
36AC_CONFIG_AUX_DIR([$TOPDIR/common/autoconf/build-aux])
37m4_include([build-aux/pkg.m4])
38
39# Include these first...
40m4_include([basics.m4])
41m4_include([basics_windows.m4])
42m4_include([builddeps.m4])
43# ... then the rest
44m4_include([boot-jdk.m4])
45m4_include([build-performance.m4])
46m4_include([flags.m4])
47m4_include([help.m4])
48m4_include([jdk-options.m4])
49m4_include([libraries.m4])
50m4_include([platform.m4])
51m4_include([source-dirs.m4])
52m4_include([toolchain.m4])
53m4_include([toolchain_windows.m4])
54
55AC_DEFUN_ONCE([CUSTOM_EARLY_HOOK])
56AC_DEFUN_ONCE([CUSTOM_LATE_HOOK])
57AC_DEFUN_ONCE([CUSTOM_CONFIG_OUTPUT_GENERATED_HOOK])
58AC_DEFUN_ONCE([CUSTOM_SUMMARY_AND_WARNINGS_HOOK])
59
60# This line needs to be here, verbatim, after all includes and the dummy hook
61# definitions. It is replaced with custom functionality when building
62# custom sources.
63#CUSTOM_AUTOCONF_INCLUDE
64
65# Do not change or remove the following line, it is needed for consistency checks:
66DATE_WHEN_GENERATED=@DATE_WHEN_GENERATED@
67
68###############################################################################
69#
70# Initialization / Boot-strapping
71#
72# The bootstrapping process needs to solve the "chicken or the egg" problem,
73# thus it jumps back and forth, each time gaining something needed later on.
74#
75###############################################################################
76
77# If we are requested to print additional help, do that and then exit.
78# This must be the very first call.
79HELP_PRINT_ADDITIONAL_HELP_AND_EXIT
80
81# Basic initialization that must happen first of all in the normal process.
82BASIC_INIT
83BASIC_SETUP_FUNDAMENTAL_TOOLS
84
85# Now we can determine OpenJDK build and target platforms. This is required to
86# have early on.
87PLATFORM_SETUP_OPENJDK_BUILD_AND_TARGET
88
89# Continue setting up basic stuff. Most remaining code require fundamental tools.
90BASIC_SETUP_PATHS
91
92# Check if it's a pure open build or if custom sources are to be used.
93JDKOPT_SETUP_OPEN_OR_CUSTOM
94
95# These are needed to be able to create a configuration name (and thus the output directory)
96JDKOPT_SETUP_JDK_VARIANT
97JDKOPT_SETUP_JVM_INTERPRETER
98JDKOPT_SETUP_JVM_VARIANTS
99JDKOPT_SETUP_DEBUG_LEVEL
100
101# With basic setup done, call the custom early hook.
102CUSTOM_EARLY_HOOK
103
104# Check if we have devkits, extra paths or sysroot set.
105BASIC_SETUP_DEVKIT
106
107# To properly create a configuration name, we need to have the OpenJDK target
108# and options (variants and debug level) parsed.
109BASIC_SETUP_OUTPUT_DIR
110
111# Must be done before we can call HELP_MSG_MISSING_DEPENDENCY.
112HELP_SETUP_DEPENDENCY_HELP
113
114# Setup tools that requires more complex handling, or that is not needed by the configure script.
115BASIC_SETUP_COMPLEX_TOOLS
116BASIC_CHECK_BASH_OPTIONS
117
118# Check if pkg-config is available.
119PKG_PROG_PKG_CONFIG
120
121# After basic tools have been setup, we can check build os specific details.
122PLATFORM_SETUP_OPENJDK_BUILD_OS_VERSION
123
124# Setup builddeps, for automatic downloading of tools we need.
125# This is needed before we can call BDEPS_CHECK_MODULE, which is done in
126# boot-jdk setup, but we need to have basic tools setup first.
127BDEPS_CONFIGURE_BUILDDEPS
128BDEPS_SCAN_FOR_BUILDDEPS
129
130###############################################################################
131#
132# Determine OpenJDK variants, options and version numbers.
133#
134###############################################################################
135
136# We need build & target for this.
137JDKOPT_SETUP_JDK_OPTIONS
138JDKOPT_SETUP_JDK_VERSION_NUMBERS
139
140###############################################################################
141#
142# Setup BootJDK, used to bootstrap the build.
143#
144###############################################################################
145
146BOOTJDK_SETUP_BOOT_JDK
147
148###############################################################################
149#
150# Configure the sources to use. We can add or override individual directories.
151#
152###############################################################################
153
154SRCDIRS_SETUP_TOPDIRS
155SRCDIRS_SETUP_ALTERNATIVE_TOPDIRS
156SRCDIRS_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# First determine the toolchain type (compiler family)
166TOOLCHAIN_DETERMINE_TOOLCHAIN_TYPE
167
168# Then detect the actual binaries needed
169TOOLCHAIN_PRE_DETECTION
170TOOLCHAIN_DETECT_TOOLCHAIN_CORE
171TOOLCHAIN_DETECT_TOOLCHAIN_EXTRA
172TOOLCHAIN_POST_DETECTION
173
174# Finally do some processing after the detection phase
175TOOLCHAIN_SETUP_BUILD_COMPILERS
176TOOLCHAIN_SETUP_LEGACY
177TOOLCHAIN_MISC_CHECKS
178
179# Setup the JTReg Regression Test Harness.
180TOOLCHAIN_SETUP_JTREG
181
182FLAGS_SETUP_INIT_FLAGS
183
184# FIXME: Currently we must test this after toolchain but before flags. Fix!
185
186# Now we can test some aspects on the target using configure macros.
187PLATFORM_SETUP_OPENJDK_TARGET_BITS
188PLATFORM_SETUP_OPENJDK_TARGET_ENDIANNESS
189
190# Configure flags for the tools
191FLAGS_SETUP_COMPILER_FLAGS_FOR_LIBS
192FLAGS_SETUP_COMPILER_FLAGS_FOR_OPTIMIZATION
193FLAGS_SETUP_COMPILER_FLAGS_FOR_JDK
194FLAGS_SETUP_COMPILER_FLAGS_MISC
195
196# Setup debug symbols (need objcopy from the toolchain for that)
197JDKOPT_SETUP_DEBUG_SYMBOLS
198JDKOPT_SETUP_CODE_COVERAGE
199
200###############################################################################
201#
202# Check dependencies for external and internal libraries.
203#
204###############################################################################
205
206# After we have toolchain, we can compile fixpath. It's needed by the lib checks.
207BASIC_COMPILE_FIXPATH
208
209LIB_SETUP_INIT
210LIB_SETUP_X11
211LIB_SETUP_CUPS
212LIB_SETUP_FREETYPE
213LIB_SETUP_ALSA
214LIB_SETUP_MISC_LIBS
215LIB_SETUP_STATIC_LINK_LIBSTDCPP
216LIB_SETUP_ON_WINDOWS
217
218###############################################################################
219#
220# We need to do some final tweaking, when everything else is done.
221#
222###############################################################################
223
224JDKOPT_SETUP_BUILD_TWEAKS
225JDKOPT_DETECT_INTREE_EC
226
227###############################################################################
228#
229# Configure parts of the build that only affect the build performance,
230# not the result.
231#
232###############################################################################
233
234BPERF_SETUP_BUILD_CORES
235BPERF_SETUP_BUILD_MEMORY
236BPERF_SETUP_BUILD_JOBS
237
238# Setup arguments for the boot jdk (after cores and memory have been setup)
239BOOTJDK_SETUP_BOOT_JDK_ARGUMENTS
240
241# Setup smart javac (after cores and memory have been setup)
242BPERF_SETUP_SMART_JAVAC
243
244# Can the C/C++ compiler use precompiled headers?
245BPERF_SETUP_PRECOMPILED_HEADERS
246
247# Setup use of ccache, if available
248BPERF_SETUP_CCACHE
249
250###############################################################################
251#
252# And now the finish...
253#
254###############################################################################
255
256# Check for some common pitfalls
257BASIC_TEST_USABILITY_ISSUES
258
259# At the end, call the custom hook. (Dummy macro if no custom sources available)
260CUSTOM_LATE_HOOK
261
262# We're messing a bit with internal autoconf variables to put the config.status
263# in the output directory instead of the current directory.
264CONFIG_STATUS="$CONFIGURESUPPORT_OUTPUTDIR/config.status"
265
266# Create the actual output files. Now the main work of configure is done.
267AC_OUTPUT
268
269# After AC_OUTPUT, we need to do final work
270CUSTOM_CONFIG_OUTPUT_GENERATED_HOOK
271BASIC_POST_CONFIG_OUTPUT
272
273# Finally output some useful information to the user
274HELP_PRINT_SUMMARY_AND_WARNINGS
275CUSTOM_SUMMARY_AND_WARNINGS_HOOK
276HELP_REPEAT_WARNINGS
277