configure.ac revision 492:e64f2cb57d05 
1#
2# Copyright (c) 2011, 2012, 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([2.61])
34AC_INIT(OpenJDK, jdk8, build-dev@openjdk.java.net,,http://openjdk.java.net)
35
36AC_CONFIG_AUX_DIR([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([help.m4])
47m4_include([jdk-options.m4])
48m4_include([libraries.m4])
49m4_include([platform.m4])
50m4_include([source-dirs.m4])
51m4_include([toolchain.m4])
52m4_include([toolchain_windows.m4])
53
54AC_DEFUN_ONCE([CUSTOM_EARLY_HOOK])
55AC_DEFUN_ONCE([CUSTOM_LATE_HOOK])
56
57# This line needs to be here, verbatim, after all includes and the dummy hook
58# definitions. It is replaced with custom functionality when building
59# custom sources.
60#CUSTOM_AUTOCONF_INCLUDE
61
62# Do not change or remove the following line, it is needed for consistency checks:
63DATE_WHEN_GENERATED=@DATE_WHEN_GENERATED@
64
65###############################################################################
66#
67# Initialization / Boot-strapping
68#
69# The bootstrapping process needs to solve the "chicken or the egg" problem,
70# thus it jumps back and forth, each time gaining something needed later on.
71#
72###############################################################################
73
74# Basic initialization that must happen first of all
75BASIC_INIT
76BASIC_SETUP_FUNDAMENTAL_TOOLS
77
78# Now we can determine OpenJDK build and target platforms. This is required to
79# have early on.
80PLATFORM_SETUP_OPENJDK_BUILD_AND_TARGET
81
82# Continue setting up basic stuff. Most remaining code require fundamental tools.
83BASIC_SETUP_PATHS
84BASIC_SETUP_LOGGING
85
86# These are needed to be able to create a configuration name (and thus the output directory)
87JDKOPT_SETUP_JDK_VARIANT
88JDKOPT_SETUP_JVM_VARIANTS
89JDKOPT_SETUP_DEBUG_LEVEL
90
91# With basic setup done, call the custom early hook.
92CUSTOM_EARLY_HOOK
93
94# To properly create a configuration name, we need to have the OpenJDK target
95# and options (variants and debug level) parsed.
96BASIC_SETUP_OUTPUT_DIR
97
98# Must be done before we can call HELP_MSG_MISSING_DEPENDENCY.
99HELP_SETUP_DEPENDENCY_HELP
100
101# Setup tools that requires more complex handling, or that is not needed by the configure script.
102BASIC_SETUP_COMPLEX_TOOLS
103
104# Check if pkg-config is available.
105PKG_PROG_PKG_CONFIG
106
107# After basic tools have been setup, we can check build os specific details.
108PLATFORM_SETUP_OPENJDK_BUILD_OS_VERSION
109
110# Setup builddeps, for automatic downloading of tools we need.
111# This is needed before we can call BDEPS_CHECK_MODULE, which is done in
112# boot-jdk setup, but we need to have basic tools setup first.
113BDEPS_CONFIGURE_BUILDDEPS
114BDEPS_SCAN_FOR_BUILDDEPS
115
116###############################################################################
117#
118# Determine OpenJDK variants, options and version numbers.
119#
120###############################################################################
121
122# We need build & target for this.
123JDKOPT_SETUP_JDK_OPTIONS
124JDKOPT_SETUP_JDK_VERSION_NUMBERS
125
126###############################################################################
127#
128# Setup BootJDK, used to bootstrap the build.
129#
130###############################################################################
131
132BOOTJDK_SETUP_BOOT_JDK
133BOOTJDK_SETUP_BOOT_JDK_ARGUMENTS
134
135###############################################################################
136#
137# Configure the sources to use. We can add or override individual directories.
138#
139###############################################################################
140
141SRCDIRS_SETUP_TOPDIRS
142SRCDIRS_SETUP_ALTERNATIVE_TOPDIRS
143SRCDIRS_SETUP_OUTPUT_DIRS
144
145###############################################################################
146#
147# Setup the toolchain (compilers etc), i.e. the tools that need to be
148# cross-compilation aware.
149#
150###############################################################################
151
152TOOLCHAIN_SETUP_SYSROOT_AND_OUT_OPTIONS
153# Locate the actual tools
154TOOLCHAIN_SETUP_PATHS
155
156# FIXME: Currently we must test this after paths but before flags. Fix!
157
158# And we can test some aspects on the target using configure macros.
159PLATFORM_SETUP_OPENJDK_TARGET_BITS
160PLATFORM_SETUP_OPENJDK_TARGET_ENDIANNESS
161
162# Configure flags for the tools
163TOOLCHAIN_SETUP_COMPILER_FLAGS_FOR_LIBS
164TOOLCHAIN_SETUP_COMPILER_FLAGS_FOR_OPTIMIZATION
165TOOLCHAIN_SETUP_COMPILER_FLAGS_FOR_JDK
166
167# Setup debug symbols (need objcopy from the toolchain for that)
168JDKOPT_SETUP_DEBUG_SYMBOLS
169
170###############################################################################
171#
172# Check dependencies for external and internal libraries.
173#
174###############################################################################
175
176LIB_SETUP_INIT
177LIB_SETUP_X11
178LIB_SETUP_CUPS
179LIB_SETUP_FREETYPE
180LIB_SETUP_ALSA
181LIB_SETUP_MISC_LIBS
182LIB_SETUP_STATIC_LINK_LIBSTDCPP
183
184# After we have toolchain and the paths to all libraries (needed by msys), we can compile the fixpath helper
185BASIC_COMPILE_FIXPATH
186
187###############################################################################
188#
189# We need to do some final tweaking, when everything else is done.
190#
191###############################################################################
192
193JDKOPT_SETUP_BUILD_TWEAKS
194
195###############################################################################
196#
197# Configure parts of the build that only affect the build performance,
198# not the result.
199#
200###############################################################################
201
202BPERF_SETUP_BUILD_CORES
203BPERF_SETUP_BUILD_MEMORY
204
205# Setup smart javac (after cores and memory have been setup)
206BPERF_SETUP_SMART_JAVAC
207
208# Can the C/C++ compiler use precompiled headers?
209BPERF_SETUP_PRECOMPILED_HEADERS
210
211# Setup use of ccache, if available
212BPERF_SETUP_CCACHE
213
214###############################################################################
215#
216# And now the finish...
217#
218###############################################################################
219
220# Check for some common pitfalls
221BASIC_TEST_USABILITY_ISSUES
222
223# At the end, call the custom hook. (Dummy macro if no custom sources available)
224CUSTOM_LATE_HOOK
225
226# We're messing a bit with internal autoconf variables to put the config.status
227# in the output directory instead of the current directory.
228CONFIG_STATUS="$OUTPUT_ROOT/config.status"
229# Create the actual output files. Now the main work of configure is done.
230AC_OUTPUT
231
232# Make the compare script executable
233$CHMOD +x $OUTPUT_ROOT/compare.sh
234
235# Finally output some useful information to the user
236HELP_PRINT_SUMMARY_AND_WARNINGS
237