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