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 33 AC_PREREQ([2.61]) 34 AC_INIT(OpenJDK, jdk8, build-dev@openjdk.java.net,,http://openjdk.java.net) 35 36 AC_CONFIG_AUX_DIR([build-aux]) 37 m4_include([build-aux/pkg.m4]) 38 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([help.m4]) 47 m4_include([jdk-options.m4]) 48 m4_include([libraries.m4]) 49 m4_include([platform.m4]) 50 m4_include([source-dirs.m4]) 51 m4_include([toolchain.m4]) 52 m4_include([toolchain_windows.m4]) 53 54 AC_DEFUN_ONCE([CUSTOM_EARLY_HOOK]) 55 AC_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: 63 DATE_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 75 BASIC_INIT 76 BASIC_SETUP_FUNDAMENTAL_TOOLS 77 78 # Now we can determine OpenJDK build and target platforms. This is required to 79 # have early on. 80 PLATFORM_SETUP_OPENJDK_BUILD_AND_TARGET 81 82 # Continue setting up basic stuff. Most remaining code require fundamental tools. 83 BASIC_SETUP_PATHS 84 BASIC_SETUP_LOGGING 85 86 # Check if it's a pure open build or if custom sources are to be used. 87 JDKOPT_SETUP_OPEN_OR_CUSTOM 88 89 # These are needed to be able to create a configuration name (and thus the output directory) 90 JDKOPT_SETUP_JDK_VARIANT 91 JDKOPT_SETUP_JVM_VARIANTS 92 JDKOPT_SETUP_DEBUG_LEVEL 93 94 # With basic setup done, call the custom early hook. 95 CUSTOM_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. 99 BASIC_SETUP_OUTPUT_DIR 100 101 # Must be done before we can call HELP_MSG_MISSING_DEPENDENCY. 102 HELP_SETUP_DEPENDENCY_HELP 103 104 # Setup tools that requires more complex handling, or that is not needed by the configure script. 105 BASIC_SETUP_COMPLEX_TOOLS 106 107 # Check if pkg-config is available. 108 PKG_PROG_PKG_CONFIG 109 110 # After basic tools have been setup, we can check build os specific details. 111 PLATFORM_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. 116 BDEPS_CONFIGURE_BUILDDEPS 117 BDEPS_SCAN_FOR_BUILDDEPS 118 119 ############################################################################### 120 # 121 # Determine OpenJDK variants, options and version numbers. 122 # 123 ############################################################################### 124 125 # We need build & target for this. 126 JDKOPT_SETUP_JDK_OPTIONS 127 JDKOPT_SETUP_JDK_VERSION_NUMBERS 128 129 ############################################################################### 130 # 131 # Setup BootJDK, used to bootstrap the build. 132 # 133 ############################################################################### 134 135 BOOTJDK_SETUP_BOOT_JDK 136 BOOTJDK_SETUP_BOOT_JDK_ARGUMENTS 137 138 ############################################################################### 139 # 140 # Configure the sources to use. We can add or override individual directories. 141 # 142 ############################################################################### 143 144 SRCDIRS_SETUP_TOPDIRS 145 SRCDIRS_SETUP_ALTERNATIVE_TOPDIRS 146 SRCDIRS_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 ############################################################################### 154 155 TOOLCHAIN_SETUP_SYSROOT_AND_OUT_OPTIONS 156 # Locate the actual tools 157 TOOLCHAIN_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. 162 PLATFORM_SETUP_OPENJDK_TARGET_BITS 163 PLATFORM_SETUP_OPENJDK_TARGET_ENDIANNESS 164 165 # Configure flags for the tools 166 TOOLCHAIN_SETUP_COMPILER_FLAGS_FOR_LIBS 167 TOOLCHAIN_SETUP_COMPILER_FLAGS_FOR_OPTIMIZATION 168 TOOLCHAIN_SETUP_COMPILER_FLAGS_FOR_JDK 169 170 # Setup debug symbols (need objcopy from the toolchain for that) 171 JDKOPT_SETUP_DEBUG_SYMBOLS 172 173 ############################################################################### 174 # 175 # Check dependencies for external and internal libraries. 176 # 177 ############################################################################### 178 179 LIB_SETUP_INIT 180 LIB_SETUP_X11 181 LIB_SETUP_CUPS 182 LIB_SETUP_FREETYPE 183 LIB_SETUP_ALSA 184 LIB_SETUP_MISC_LIBS 185 LIB_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 188 BASIC_COMPILE_FIXPATH 189 190 ############################################################################### 191 # 192 # We need to do some final tweaking, when everything else is done. 193 # 194 ############################################################################### 195 196 JDKOPT_SETUP_BUILD_TWEAKS 197 JDKOPT_DETECT_INTREE_EC 198 199 ############################################################################### 200 # 201 # Configure parts of the build that only affect the build performance, 202 # not the result. 203 # 204 ############################################################################### 205 206 BPERF_SETUP_BUILD_CORES 207 BPERF_SETUP_BUILD_MEMORY 208 BPERF_SETUP_BUILD_JOBS 209 210 # Setup smart javac (after cores and memory have been setup) 211 BPERF_SETUP_SMART_JAVAC 212 213 # Can the C/C++ compiler use precompiled headers? 214 BPERF_SETUP_PRECOMPILED_HEADERS 215 216 # Setup use of ccache, if available 217 BPERF_SETUP_CCACHE 218 219 ############################################################################### 220 # 221 # And now the finish... 222 # 223 ############################################################################### 224 225 # Check for some common pitfalls 226 BASIC_TEST_USABILITY_ISSUES 227 228 # At the end, call the custom hook. (Dummy macro if no custom sources available) 229 CUSTOM_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. 233 CONFIG_STATUS="$OUTPUT_ROOT/config.status" 234 # Create the actual output files. Now the main work of configure is done. 235 AC_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 241 HELP_PRINT_SUMMARY_AND_WARNINGS