configure.ac revision 1780:8b85f3ce05a3 
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])
42# ... then the rest
43m4_include([boot-jdk.m4])
44m4_include([build-performance.m4])
45m4_include([flags.m4])
46m4_include([help.m4])
47m4_include([jdk-options.m4])
48m4_include([jdk-version.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###############################################################################
125#
126# Determine OpenJDK variants, options and version numbers.
127#
128###############################################################################
129
130# We need build & target for this.
131JDKOPT_SETUP_JDK_OPTIONS
132JDKVER_SETUP_JDK_VERSION_NUMBERS
133
134###############################################################################
135#
136# Setup BootJDK, used to bootstrap the build.
137#
138###############################################################################
139
140BOOTJDK_SETUP_BOOT_JDK
141
142###############################################################################
143#
144# Configure the sources to use. We can add or override individual directories.
145#
146###############################################################################
147
148SRCDIRS_SETUP_TOPDIRS
149SRCDIRS_SETUP_ALTERNATIVE_TOPDIRS
150SRCDIRS_SETUP_OUTPUT_DIRS
151
152###############################################################################
153#
154# Setup the toolchain (compilers etc), i.e. tools used to compile and process
155# native code.
156#
157###############################################################################
158
159# First determine the toolchain type (compiler family)
160TOOLCHAIN_DETERMINE_TOOLCHAIN_TYPE
161
162# User supplied flags should be used when configure detects compilers
163FLAGS_SETUP_USER_SUPPLIED_FLAGS
164# The sysroot cflags are needed for configure to be able to run the compilers
165FLAGS_SETUP_SYSROOT_FLAGS
166
167# Then detect the actual binaries needed
168TOOLCHAIN_PRE_DETECTION
169TOOLCHAIN_DETECT_TOOLCHAIN_CORE
170TOOLCHAIN_DETECT_TOOLCHAIN_EXTRA
171TOOLCHAIN_POST_DETECTION
172
173# Finally do some processing after the detection phase
174TOOLCHAIN_SETUP_BUILD_COMPILERS
175TOOLCHAIN_SETUP_LEGACY
176TOOLCHAIN_MISC_CHECKS
177
178# Setup the JTReg Regression Test Harness.
179TOOLCHAIN_SETUP_JTREG
180
181FLAGS_SETUP_INIT_FLAGS
182
183# FIXME: Currently we must test this after toolchain but before flags. Fix!
184
185# Now we can test some aspects on the target using configure macros.
186PLATFORM_SETUP_OPENJDK_TARGET_BITS
187PLATFORM_SETUP_OPENJDK_TARGET_ENDIANNESS
188
189# Configure flags for the tools
190FLAGS_SETUP_COMPILER_FLAGS_FOR_LIBS
191FLAGS_SETUP_COMPILER_FLAGS_FOR_OPTIMIZATION
192FLAGS_SETUP_COMPILER_FLAGS_FOR_JDK
193FLAGS_SETUP_COMPILER_FLAGS_MISC
194
195# Setup debug symbols (need objcopy from the toolchain for that)
196JDKOPT_SETUP_DEBUG_SYMBOLS
197JDKOPT_SETUP_CODE_COVERAGE
198
199###############################################################################
200#
201# Check dependencies for external and internal libraries.
202#
203###############################################################################
204
205# After we have toolchain, we can compile fixpath. It's needed by the lib checks.
206BASIC_COMPILE_FIXPATH
207
208LIB_DETERMINE_DEPENDENCIES
209LIB_SETUP_LIBRARIES
210
211###############################################################################
212#
213# We need to do some final tweaking, when everything else is done.
214#
215###############################################################################
216
217JDKOPT_SETUP_BUILD_TWEAKS
218JDKOPT_DETECT_INTREE_EC
219
220###############################################################################
221#
222# Configure parts of the build that only affect the build performance,
223# not the result.
224#
225###############################################################################
226
227BPERF_SETUP_BUILD_CORES
228BPERF_SETUP_BUILD_MEMORY
229BPERF_SETUP_BUILD_JOBS
230
231# Setup arguments for the boot jdk (after cores and memory have been setup)
232BOOTJDK_SETUP_BOOT_JDK_ARGUMENTS
233
234# Setup smart javac (after cores and memory have been setup)
235BPERF_SETUP_SMART_JAVAC
236
237# Can the C/C++ compiler use precompiled headers?
238BPERF_SETUP_PRECOMPILED_HEADERS
239
240# Setup use of ccache, if available
241BPERF_SETUP_CCACHE
242
243###############################################################################
244#
245# And now the finish...
246#
247###############################################################################
248
249# Check for some common pitfalls
250BASIC_TEST_USABILITY_ISSUES
251
252# At the end, call the custom hook. (Dummy macro if no custom sources available)
253CUSTOM_LATE_HOOK
254
255# We're messing a bit with internal autoconf variables to put the config.status
256# in the output directory instead of the current directory.
257CONFIG_STATUS="$CONFIGURESUPPORT_OUTPUTDIR/config.status"
258
259# Create the actual output files. Now the main work of configure is done.
260AC_OUTPUT
261
262# After AC_OUTPUT, we need to do final work
263CUSTOM_CONFIG_OUTPUT_GENERATED_HOOK
264BASIC_POST_CONFIG_OUTPUT
265
266# Finally output some useful information to the user
267HELP_PRINT_SUMMARY_AND_WARNINGS
268CUSTOM_SUMMARY_AND_WARNINGS_HOOK
269HELP_REPEAT_WARNINGS
270