Thu, 05 Apr 2018 07:59:52 -0700
8034788: Rewrite toolchain.m4 to support multiple toolchains per platform.
Reviewed-by: ihse, henryjen, erikj
1 #
2 # Copyright (c) 2011, 2018, 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 #
26 ###############################################################################
27 #
28 # Includes and boilerplate
29 #
30 ###############################################################################
33 AC_PREREQ([2.69])
34 AC_INIT(OpenJDK, jdk8, build-dev@openjdk.java.net,,http://openjdk.java.net)
36 AC_CONFIG_AUX_DIR([build-aux])
37 m4_include([build-aux/pkg.m4])
39 # Include these first...
40 m4_include([basics.m4])
41 m4_include([basics_windows.m4])
42 m4_include([builddeps.m4])
43 # ... then the rest
44 m4_include([boot-jdk.m4])
45 m4_include([build-performance.m4])
46 m4_include([flags.m4])
47 m4_include([help.m4])
48 m4_include([jdk-options.m4])
49 m4_include([libraries.m4])
50 m4_include([platform.m4])
51 m4_include([source-dirs.m4])
52 m4_include([toolchain.m4])
53 m4_include([toolchain_windows.m4])
55 AC_DEFUN_ONCE([CUSTOM_EARLY_HOOK])
56 AC_DEFUN_ONCE([CUSTOM_LATE_HOOK])
57 AC_DEFUN_ONCE([CUSTOM_CONFIG_OUTPUT_GENERATED_HOOK])
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
64 # Do not change or remove the following line, it is needed for consistency checks:
65 DATE_WHEN_GENERATED=@DATE_WHEN_GENERATED@
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 ###############################################################################
76 # If we are requested to print additional help, do that and then exit.
77 # This must be the very first call.
78 HELP_PRINT_ADDITIONAL_HELP_AND_EXIT
80 # Basic initialization that must happen first of all in the normal process.
81 BASIC_INIT
82 BASIC_SETUP_FUNDAMENTAL_TOOLS
84 # Now we can determine OpenJDK build and target platforms. This is required to
85 # have early on.
86 PLATFORM_SETUP_OPENJDK_BUILD_AND_TARGET
88 # Continue setting up basic stuff. Most remaining code require fundamental tools.
89 BASIC_SETUP_PATHS
90 BASIC_SETUP_LOGGING
92 # Check if it's a pure open build or if custom sources are to be used.
93 JDKOPT_SETUP_OPEN_OR_CUSTOM
95 # These are needed to be able to create a configuration name (and thus the output directory)
96 JDKOPT_SETUP_JDK_VARIANT
97 JDKOPT_SETUP_JVM_INTERPRETER
98 JDKOPT_SETUP_JVM_VARIANTS
99 JDKOPT_SETUP_DEBUG_LEVEL
101 # With basic setup done, call the custom early hook.
102 CUSTOM_EARLY_HOOK
104 # To properly create a configuration name, we need to have the OpenJDK target
105 # and options (variants and debug level) parsed.
106 BASIC_SETUP_OUTPUT_DIR
108 # Must be done before we can call HELP_MSG_MISSING_DEPENDENCY.
109 HELP_SETUP_DEPENDENCY_HELP
111 # Setup tools that requires more complex handling, or that is not needed by the configure script.
112 BASIC_SETUP_COMPLEX_TOOLS
114 # Check if pkg-config is available.
115 PKG_PROG_PKG_CONFIG
117 # After basic tools have been setup, we can check build os specific details.
118 PLATFORM_SETUP_OPENJDK_BUILD_OS_VERSION
120 # Setup builddeps, for automatic downloading of tools we need.
121 # This is needed before we can call BDEPS_CHECK_MODULE, which is done in
122 # boot-jdk setup, but we need to have basic tools setup first.
123 BDEPS_CONFIGURE_BUILDDEPS
124 BDEPS_SCAN_FOR_BUILDDEPS
126 ###############################################################################
127 #
128 # Determine OpenJDK variants, options and version numbers.
129 #
130 ###############################################################################
132 # We need build & target for this.
133 JDKOPT_SETUP_JDK_OPTIONS
134 JDKOPT_SETUP_JDK_VERSION_NUMBERS
136 ###############################################################################
137 #
138 # Setup BootJDK, used to bootstrap the build.
139 #
140 ###############################################################################
142 BOOTJDK_SETUP_BOOT_JDK
143 BOOTJDK_SETUP_BOOT_JDK_ARGUMENTS
145 ###############################################################################
146 #
147 # Configure the sources to use. We can add or override individual directories.
148 #
149 ###############################################################################
151 SRCDIRS_SETUP_TOPDIRS
152 SRCDIRS_SETUP_ALTERNATIVE_TOPDIRS
153 SRCDIRS_SETUP_OUTPUT_DIRS
155 ###############################################################################
156 #
157 # Setup the toolchain (compilers etc), i.e. tools used to compile and process
158 # native code.
159 #
160 ###############################################################################
162 # First determine the toolchain type (compiler family)
163 TOOLCHAIN_DETERMINE_TOOLCHAIN_TYPE
165 # Then detect the actual binaries needed
166 TOOLCHAIN_PRE_DETECTION
167 TOOLCHAIN_DETECT_TOOLCHAIN_CORE
168 TOOLCHAIN_DETECT_TOOLCHAIN_EXTRA
169 TOOLCHAIN_POST_DETECTION
171 # Finally do some processing after the detection phase
172 TOOLCHAIN_SETUP_BUILD_COMPILERS
173 TOOLCHAIN_SETUP_LEGACY
174 TOOLCHAIN_MISC_CHECKS
176 # Setup the JTReg Regression Test Harness.
177 TOOLCHAIN_SETUP_JTREG
179 FLAGS_SETUP_INIT_FLAGS
181 # FIXME: Currently we must test this after toolchain but before flags. Fix!
183 # Now we can test some aspects on the target using configure macros.
184 PLATFORM_SETUP_OPENJDK_TARGET_BITS
185 PLATFORM_SETUP_OPENJDK_TARGET_ENDIANNESS
187 # Configure flags for the tools
188 FLAGS_SETUP_COMPILER_FLAGS_FOR_LIBS
189 FLAGS_SETUP_COMPILER_FLAGS_FOR_OPTIMIZATION
190 FLAGS_SETUP_COMPILER_FLAGS_FOR_JDK
191 FLAGS_SETUP_COMPILER_FLAGS_MISC
193 # Setup debug symbols (need objcopy from the toolchain for that)
194 JDKOPT_SETUP_DEBUG_SYMBOLS
196 ###############################################################################
197 #
198 # Check dependencies for external and internal libraries.
199 #
200 ###############################################################################
202 # After we have toolchain, we can compile fixpath. It's needed by the lib checks.
203 BASIC_COMPILE_FIXPATH
205 LIB_SETUP_INIT
206 LIB_SETUP_X11
207 LIB_SETUP_CUPS
208 LIB_SETUP_FREETYPE
209 LIB_SETUP_ALSA
210 LIB_SETUP_MISC_LIBS
211 LIB_SETUP_STATIC_LINK_LIBSTDCPP
212 LIB_SETUP_ON_WINDOWS
214 ###############################################################################
215 #
216 # We need to do some final tweaking, when everything else is done.
217 #
218 ###############################################################################
220 JDKOPT_SETUP_BUILD_TWEAKS
221 JDKOPT_DETECT_INTREE_EC
223 ###############################################################################
224 #
225 # Configure parts of the build that only affect the build performance,
226 # not the result.
227 #
228 ###############################################################################
230 BPERF_SETUP_BUILD_CORES
231 BPERF_SETUP_BUILD_MEMORY
232 BPERF_SETUP_BUILD_JOBS
234 # Setup smart javac (after cores and memory have been setup)
235 BPERF_SETUP_SMART_JAVAC
237 # Can the C/C++ compiler use precompiled headers?
238 BPERF_SETUP_PRECOMPILED_HEADERS
240 # Setup use of ccache, if available
241 BPERF_SETUP_CCACHE
243 ###############################################################################
244 #
245 # And now the finish...
246 #
247 ###############################################################################
249 # Check for some common pitfalls
250 BASIC_TEST_USABILITY_ISSUES
252 # At the end, call the custom hook. (Dummy macro if no custom sources available)
253 CUSTOM_LATE_HOOK
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.
257 CONFIG_STATUS="$OUTPUT_ROOT/config.status"
259 # Create the actual output files. Now the main work of configure is done.
260 AC_OUTPUT
261 CUSTOM_CONFIG_OUTPUT_GENERATED_HOOK
263 # Try to move the config.log file to the output directory.
264 if test -e ./config.log; then
265 $MV -f ./config.log "$OUTPUT_ROOT/config.log" 2> /dev/null
266 fi
268 # Make the compare script executable
269 $CHMOD +x $OUTPUT_ROOT/compare.sh
271 # Finally output some useful information to the user
272 HELP_PRINT_SUMMARY_AND_WARNINGS