configure.ac revision 1670:ee11e7837c17 
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([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])
56AC_DEFUN_ONCE([CUSTOM_CONFIG_OUTPUT_GENERATED_HOOK])
57AC_DEFUN_ONCE([CUSTOM_SUMMARY_AND_WARNINGS_HOOK])
58
59# This line needs to be here, verbatim, after all includes and the dummy hook
60# definitions. It is replaced with custom functionality when building
61# custom sources.
62#CUSTOM_AUTOCONF_INCLUDE
63
64# Do not change or remove the following line, it is needed for consistency checks:
65DATE_WHEN_GENERATED=@DATE_WHEN_GENERATED@
66
67###############################################################################
68#
69# Initialization / Boot-strapping
70#
71# The bootstrapping process needs to solve the "chicken or the egg" problem,
72# thus it jumps back and forth, each time gaining something needed later on.
73#
74###############################################################################
75
76# If we are requested to print additional help, do that and then exit.
77# This must be the very first call.
78HELP_PRINT_ADDITIONAL_HELP_AND_EXIT
79
80# Basic initialization that must happen first of all in the normal process.
81BASIC_INIT
82BASIC_SETUP_FUNDAMENTAL_TOOLS
83
84# Now we can determine OpenJDK build and target platforms. This is required to
85# have early on.
86PLATFORM_SETUP_OPENJDK_BUILD_AND_TARGET
87
88# Continue setting up basic stuff. Most remaining code require fundamental tools.
89BASIC_SETUP_PATHS
90
91# Check if it's a pure open build or if custom sources are to be used.
92JDKOPT_SETUP_OPEN_OR_CUSTOM
93
94# These are needed to be able to create a configuration name (and thus the output directory)
95JDKOPT_SETUP_JDK_VARIANT
96JDKOPT_SETUP_JVM_INTERPRETER
97JDKOPT_SETUP_JVM_VARIANTS
98JDKOPT_SETUP_DEBUG_LEVEL
99
100# With basic setup done, call the custom early hook.
101CUSTOM_EARLY_HOOK
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###############################################################################
124#
125# Determine OpenJDK variants, options and version numbers.
126#
127###############################################################################
128
129# We need build & target for this.
130JDKOPT_SETUP_JDK_OPTIONS
131JDKOPT_SETUP_JDK_VERSION_NUMBERS
132
133###############################################################################
134#
135# Setup BootJDK, used to bootstrap the build.
136#
137###############################################################################
138
139BOOTJDK_SETUP_BOOT_JDK
140
141###############################################################################
142#
143# Configure the sources to use. We can add or override individual directories.
144#
145###############################################################################
146
147SRCDIRS_SETUP_TOPDIRS
148SRCDIRS_SETUP_ALTERNATIVE_TOPDIRS
149SRCDIRS_SETUP_OUTPUT_DIRS
150
151###############################################################################
152#
153# Setup the toolchain (compilers etc), i.e. tools used to compile and process
154# native code.
155#
156###############################################################################
157
158# First determine the toolchain type (compiler family)
159TOOLCHAIN_DETERMINE_TOOLCHAIN_TYPE
160
161# User supplied flags should be used when configure detects compilers
162FLAGS_SETUP_USER_SUPPLIED_FLAGS
163# The sysroot cflags are needed for configure to be able to run the compilers
164FLAGS_SETUP_SYSROOT_FLAGS
165
166# Then detect the actual binaries needed
167TOOLCHAIN_PRE_DETECTION
168TOOLCHAIN_DETECT_TOOLCHAIN_CORE
169TOOLCHAIN_DETECT_TOOLCHAIN_EXTRA
170TOOLCHAIN_POST_DETECTION
171
172# Finally do some processing after the detection phase
173TOOLCHAIN_SETUP_BUILD_COMPILERS
174TOOLCHAIN_SETUP_LEGACY
175TOOLCHAIN_MISC_CHECKS
176
177# Setup the JTReg Regression Test Harness.
178TOOLCHAIN_SETUP_JTREG
179
180FLAGS_SETUP_INIT_FLAGS
181
182# FIXME: Currently we must test this after toolchain but before flags. Fix!
183
184# Now we can test some aspects on the target using configure macros.
185PLATFORM_SETUP_OPENJDK_TARGET_BITS
186PLATFORM_SETUP_OPENJDK_TARGET_ENDIANNESS
187
188# Configure flags for the tools
189FLAGS_SETUP_COMPILER_FLAGS_FOR_LIBS
190FLAGS_SETUP_COMPILER_FLAGS_FOR_OPTIMIZATION
191FLAGS_SETUP_COMPILER_FLAGS_FOR_JDK
192FLAGS_SETUP_COMPILER_FLAGS_MISC
193
194# Setup debug symbols (need objcopy from the toolchain for that)
195JDKOPT_SETUP_DEBUG_SYMBOLS
196JDKOPT_SETUP_CODE_COVERAGE
197
198###############################################################################
199#
200# Check dependencies for external and internal libraries.
201#
202###############################################################################
203
204# After we have toolchain, we can compile fixpath. It's needed by the lib checks.
205BASIC_COMPILE_FIXPATH
206
207LIB_DETERMINE_DEPENDENCIES
208LIB_SETUP_LIBRARIES
209
210###############################################################################
211#
212# We need to do some final tweaking, when everything else is done.
213#
214###############################################################################
215
216JDKOPT_SETUP_BUILD_TWEAKS
217JDKOPT_DETECT_INTREE_EC
218
219###############################################################################
220#
221# Configure parts of the build that only affect the build performance,
222# not the result.
223#
224###############################################################################
225
226BPERF_SETUP_BUILD_CORES
227BPERF_SETUP_BUILD_MEMORY
228BPERF_SETUP_BUILD_JOBS
229
230# Setup arguments for the boot jdk (after cores and memory have been setup)
231BOOTJDK_SETUP_BOOT_JDK_ARGUMENTS
232
233# Setup smart javac (after cores and memory have been setup)
234BPERF_SETUP_SMART_JAVAC
235
236# Can the C/C++ compiler use precompiled headers?
237BPERF_SETUP_PRECOMPILED_HEADERS
238
239# Setup use of ccache, if available
240BPERF_SETUP_CCACHE
241
242###############################################################################
243#
244# And now the finish...
245#
246###############################################################################
247
248# Check for some common pitfalls
249BASIC_TEST_USABILITY_ISSUES
250
251# At the end, call the custom hook. (Dummy macro if no custom sources available)
252CUSTOM_LATE_HOOK
253
254# We're messing a bit with internal autoconf variables to put the config.status
255# in the output directory instead of the current directory.
256CONFIG_STATUS="$CONFIGURESUPPORT_OUTPUTDIR/config.status"
257
258# Create the actual output files. Now the main work of configure is done.
259AC_OUTPUT
260
261# After AC_OUTPUT, we need to do final work
262CUSTOM_CONFIG_OUTPUT_GENERATED_HOOK
263BASIC_POST_CONFIG_OUTPUT
264
265# Finally output some useful information to the user
266HELP_PRINT_SUMMARY_AND_WARNINGS
267CUSTOM_SUMMARY_AND_WARNINGS_HOOK
268HELP_REPEAT_WARNINGS
269