configure.ac revision 654:e2057191f6da 
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# Check if it's a pure open build or if custom sources are to be used.
87JDKOPT_SETUP_OPEN_OR_CUSTOM
88
89# These are needed to be able to create a configuration name (and thus the output directory)
90JDKOPT_SETUP_JDK_VARIANT
91JDKOPT_SETUP_JVM_VARIANTS
92JDKOPT_SETUP_DEBUG_LEVEL
93
94# With basic setup done, call the custom early hook.
95CUSTOM_EARLY_HOOK
96
97# To properly create a configuration name, we need to have the OpenJDK target
98# and options (variants and debug level) parsed.
99BASIC_SETUP_OUTPUT_DIR
100
101# Must be done before we can call HELP_MSG_MISSING_DEPENDENCY.
102HELP_SETUP_DEPENDENCY_HELP
103
104# Setup tools that requires more complex handling, or that is not needed by the configure script.
105BASIC_SETUP_COMPLEX_TOOLS
106
107# Check if pkg-config is available.
108PKG_PROG_PKG_CONFIG
109
110# After basic tools have been setup, we can check build os specific details.
111PLATFORM_SETUP_OPENJDK_BUILD_OS_VERSION
112
113# Setup builddeps, for automatic downloading of tools we need.
114# This is needed before we can call BDEPS_CHECK_MODULE, which is done in
115# boot-jdk setup, but we need to have basic tools setup first.
116BDEPS_CONFIGURE_BUILDDEPS
117BDEPS_SCAN_FOR_BUILDDEPS
118
119###############################################################################
120#
121# Determine OpenJDK variants, options and version numbers.
122#
123###############################################################################
124
125# We need build & target for this.
126JDKOPT_SETUP_JDK_OPTIONS
127JDKOPT_SETUP_JDK_VERSION_NUMBERS
128
129###############################################################################
130#
131# Setup BootJDK, used to bootstrap the build.
132#
133###############################################################################
134
135BOOTJDK_SETUP_BOOT_JDK
136BOOTJDK_SETUP_BOOT_JDK_ARGUMENTS
137
138###############################################################################
139#
140# Configure the sources to use. We can add or override individual directories.
141#
142###############################################################################
143
144SRCDIRS_SETUP_TOPDIRS
145SRCDIRS_SETUP_ALTERNATIVE_TOPDIRS
146SRCDIRS_SETUP_OUTPUT_DIRS
147
148###############################################################################
149#
150# Setup the toolchain (compilers etc), i.e. the tools that need to be
151# cross-compilation aware.
152#
153###############################################################################
154
155TOOLCHAIN_SETUP_SYSROOT_AND_OUT_OPTIONS
156# Locate the actual tools
157TOOLCHAIN_SETUP_PATHS
158
159# FIXME: Currently we must test this after paths but before flags. Fix!
160
161# And we can test some aspects on the target using configure macros.
162PLATFORM_SETUP_OPENJDK_TARGET_BITS
163PLATFORM_SETUP_OPENJDK_TARGET_ENDIANNESS
164
165# Configure flags for the tools
166TOOLCHAIN_SETUP_COMPILER_FLAGS_FOR_LIBS
167TOOLCHAIN_SETUP_COMPILER_FLAGS_FOR_OPTIMIZATION
168TOOLCHAIN_SETUP_COMPILER_FLAGS_FOR_JDK
169
170# Setup debug symbols (need objcopy from the toolchain for that)
171JDKOPT_SETUP_DEBUG_SYMBOLS
172
173###############################################################################
174#
175# Check dependencies for external and internal libraries.
176#
177###############################################################################
178
179LIB_SETUP_INIT
180LIB_SETUP_X11
181LIB_SETUP_CUPS
182LIB_SETUP_FREETYPE
183LIB_SETUP_ALSA
184LIB_SETUP_MISC_LIBS
185LIB_SETUP_STATIC_LINK_LIBSTDCPP
186
187# After we have toolchain and the paths to all libraries (needed by msys), we can compile the fixpath helper
188BASIC_COMPILE_FIXPATH
189
190###############################################################################
191#
192# We need to do some final tweaking, when everything else is done.
193#
194###############################################################################
195
196JDKOPT_SETUP_BUILD_TWEAKS
197JDKOPT_DETECT_INTREE_EC
198
199###############################################################################
200#
201# Configure parts of the build that only affect the build performance,
202# not the result.
203#
204###############################################################################
205
206BPERF_SETUP_BUILD_CORES
207BPERF_SETUP_BUILD_MEMORY
208BPERF_SETUP_BUILD_JOBS
209
210# Setup smart javac (after cores and memory have been setup)
211BPERF_SETUP_SMART_JAVAC
212
213# Can the C/C++ compiler use precompiled headers?
214BPERF_SETUP_PRECOMPILED_HEADERS
215
216# Setup use of ccache, if available
217BPERF_SETUP_CCACHE
218
219###############################################################################
220#
221# And now the finish...
222#
223###############################################################################
224
225# Check for some common pitfalls
226BASIC_TEST_USABILITY_ISSUES
227
228# At the end, call the custom hook. (Dummy macro if no custom sources available)
229CUSTOM_LATE_HOOK
230
231# We're messing a bit with internal autoconf variables to put the config.status
232# in the output directory instead of the current directory.
233CONFIG_STATUS="$OUTPUT_ROOT/config.status"
234# Create the actual output files. Now the main work of configure is done.
235AC_OUTPUT
236
237# Make the compare script executable
238$CHMOD +x $OUTPUT_ROOT/compare.sh
239
240# Finally output some useful information to the user
241HELP_PRINT_SUMMARY_AND_WARNINGS
242