platform.m4 revision 476:2ba6f4da4bf3
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# Support macro for PLATFORM_EXTRACT_TARGET_AND_BUILD. 27# Converts autoconf style CPU name to OpenJDK style, into 28# VAR_CPU, VAR_CPU_ARCH, VAR_CPU_BITS and VAR_CPU_ENDIAN. 29AC_DEFUN([PLATFORM_EXTRACT_VARS_FROM_CPU], 30[ 31 # First argument is the cpu name from the trip/quad 32 case "$1" in 33 x86_64) 34 VAR_CPU=x86_64 35 VAR_CPU_ARCH=x86 36 VAR_CPU_BITS=64 37 VAR_CPU_ENDIAN=little 38 ;; 39 i?86) 40 VAR_CPU=x86 41 VAR_CPU_ARCH=x86 42 VAR_CPU_BITS=32 43 VAR_CPU_ENDIAN=little 44 ;; 45 arm*) 46 VAR_CPU=arm 47 VAR_CPU_ARCH=arm 48 VAR_CPU_BITS=32 49 VAR_CPU_ENDIAN=little 50 ;; 51 powerpc) 52 VAR_CPU=ppc 53 VAR_CPU_ARCH=ppc 54 VAR_CPU_BITS=32 55 VAR_CPU_ENDIAN=big 56 ;; 57 powerpc64) 58 VAR_CPU=ppc64 59 VAR_CPU_ARCH=ppc 60 VAR_CPU_BITS=64 61 VAR_CPU_ENDIAN=big 62 ;; 63 sparc) 64 VAR_CPU=sparc 65 VAR_CPU_ARCH=sparc 66 VAR_CPU_BITS=32 67 VAR_CPU_ENDIAN=big 68 ;; 69 sparcv9) 70 VAR_CPU=sparcv9 71 VAR_CPU_ARCH=sparc 72 VAR_CPU_BITS=64 73 VAR_CPU_ENDIAN=big 74 ;; 75 *) 76 AC_MSG_ERROR([unsupported cpu $1]) 77 ;; 78 esac 79]) 80 81# Support macro for PLATFORM_EXTRACT_TARGET_AND_BUILD. 82# Converts autoconf style OS name to OpenJDK style, into 83# VAR_OS and VAR_OS_API. 84AC_DEFUN([PLATFORM_EXTRACT_VARS_FROM_OS], 85[ 86 case "$1" in 87 *linux*) 88 VAR_OS=linux 89 VAR_OS_API=posix 90 ;; 91 *solaris*) 92 VAR_OS=solaris 93 VAR_OS_API=posix 94 ;; 95 *darwin*) 96 VAR_OS=macosx 97 VAR_OS_API=posix 98 ;; 99 *bsd*) 100 VAR_OS=bsd 101 VAR_OS_API=posix 102 ;; 103 *cygwin*|*windows*) 104 VAR_OS=windows 105 VAR_OS_API=winapi 106 ;; 107 *) 108 AC_MSG_ERROR([unsupported operating system $1]) 109 ;; 110 esac 111]) 112 113# Expects $host_os $host_cpu $build_os and $build_cpu 114# and $with_target_bits to have been setup! 115# 116# Translate the standard triplet(quadruplet) definition 117# of the target/build system into OPENJDK_TARGET_OS, OPENJDK_TARGET_CPU, 118# OPENJDK_BUILD_OS, etc. 119AC_DEFUN([PLATFORM_EXTRACT_TARGET_AND_BUILD], 120[ 121 # Copy the autoconf trip/quadruplet verbatim to OPENJDK_TARGET_AUTOCONF_NAME 122 # (from the autoconf "host") and OPENJDK_BUILD_AUTOCONF_NAME 123 # Note that we might later on rewrite e.g. OPENJDK_TARGET_CPU due to reduced build, 124 # but this will not change the value of OPENJDK_TARGET_AUTOCONF_NAME. 125 OPENJDK_TARGET_AUTOCONF_NAME="$host" 126 OPENJDK_BUILD_AUTOCONF_NAME="$build" 127 AC_SUBST(OPENJDK_TARGET_AUTOCONF_NAME) 128 AC_SUBST(OPENJDK_BUILD_AUTOCONF_NAME) 129 130 # Convert the autoconf OS/CPU value to our own data, into the VAR_OS/CPU variables. 131 PLATFORM_EXTRACT_VARS_FROM_OS($host_os) 132 PLATFORM_EXTRACT_VARS_FROM_CPU($host_cpu) 133 # ... and setup our own variables. (Do this explicitely to facilitate searching) 134 OPENJDK_TARGET_OS="$VAR_OS" 135 OPENJDK_TARGET_OS_API="$VAR_OS_API" 136 OPENJDK_TARGET_CPU="$VAR_CPU" 137 OPENJDK_TARGET_CPU_ARCH="$VAR_CPU_ARCH" 138 OPENJDK_TARGET_CPU_BITS="$VAR_CPU_BITS" 139 OPENJDK_TARGET_CPU_ENDIAN="$VAR_CPU_ENDIAN" 140 AC_SUBST(OPENJDK_TARGET_OS) 141 AC_SUBST(OPENJDK_TARGET_OS_API) 142 AC_SUBST(OPENJDK_TARGET_CPU) 143 AC_SUBST(OPENJDK_TARGET_CPU_ARCH) 144 AC_SUBST(OPENJDK_TARGET_CPU_BITS) 145 AC_SUBST(OPENJDK_TARGET_CPU_ENDIAN) 146 147 # Convert the autoconf OS/CPU value to our own data, into the VAR_OS/CPU variables. 148 PLATFORM_EXTRACT_VARS_FROM_OS($build_os) 149 PLATFORM_EXTRACT_VARS_FROM_CPU($build_cpu) 150 # ..and setup our own variables. (Do this explicitely to facilitate searching) 151 OPENJDK_BUILD_OS="$VAR_OS" 152 OPENJDK_BUILD_OS_API="$VAR_OS_API" 153 OPENJDK_BUILD_CPU="$VAR_CPU" 154 OPENJDK_BUILD_CPU_ARCH="$VAR_CPU_ARCH" 155 OPENJDK_BUILD_CPU_BITS="$VAR_CPU_BITS" 156 OPENJDK_BUILD_CPU_ENDIAN="$VAR_CPU_ENDIAN" 157 AC_SUBST(OPENJDK_BUILD_OS) 158 AC_SUBST(OPENJDK_BUILD_OS_API) 159 AC_SUBST(OPENJDK_BUILD_CPU) 160 AC_SUBST(OPENJDK_BUILD_CPU_ARCH) 161 AC_SUBST(OPENJDK_BUILD_CPU_BITS) 162 AC_SUBST(OPENJDK_BUILD_CPU_ENDIAN) 163]) 164 165# Check if a reduced build (32-bit on 64-bit platforms) is requested, and modify behaviour 166# accordingly. Must be done after setting up build and target system, but before 167# doing anything else with these values. 168AC_DEFUN([PLATFORM_SETUP_TARGET_CPU_BITS], 169[ 170 AC_ARG_WITH(target-bits, [AS_HELP_STRING([--with-target-bits], 171 [build 32-bit or 64-bit binaries (for platforms that support it), e.g. --with-target-bits=32 @<:@guessed@:>@])]) 172 173 # We have three types of compiles: 174 # native == normal compilation, target system == build system 175 # cross == traditional cross compilation, target system != build system; special toolchain needed 176 # reduced == using native compilers, but with special flags (e.g. -m32) to produce 32-bit builds on 64-bit machines 177 # 178 if test "x$OPENJDK_BUILD_AUTOCONF_NAME" != "x$OPENJDK_TARGET_AUTOCONF_NAME"; then 179 # We're doing a proper cross-compilation 180 COMPILE_TYPE="cross" 181 else 182 COMPILE_TYPE="native" 183 fi 184 185 if test "x$with_target_bits" != x; then 186 if test "x$COMPILE_TYPE" = "xcross"; then 187 AC_MSG_ERROR([It is not possible to combine --with-target-bits=X and proper cross-compilation. Choose either.]) 188 fi 189 190 if test "x$with_target_bits" = x32 && test "x$OPENJDK_TARGET_CPU_BITS" = x64; then 191 # A reduced build is requested 192 COMPILE_TYPE="reduced" 193 OPENJDK_TARGET_CPU_BITS=32 194 if test "x$OPENJDK_TARGET_CPU_ARCH" = "xx86"; then 195 OPENJDK_TARGET_CPU=x86 196 elif test "x$OPENJDK_TARGET_CPU_ARCH" = "xsparc"; then 197 OPENJDK_TARGET_CPU=sparc 198 else 199 AC_MSG_ERROR([Reduced build (--with-target-bits=32) is only supported on x86_64 and sparcv9]) 200 fi 201 elif test "x$with_target_bits" = x64 && test "x$OPENJDK_TARGET_CPU_BITS" = x32; then 202 AC_MSG_ERROR([It is not possible to use --with-target-bits=64 on a 32 bit system. Use proper cross-compilation instead.]) 203 elif test "x$with_target_bits" = "x$OPENJDK_TARGET_CPU_BITS"; then 204 AC_MSG_NOTICE([--with-target-bits are set to build platform address size; argument has no meaning]) 205 else 206 AC_MSG_ERROR([--with-target-bits can only be 32 or 64, you specified $with_target_bits!]) 207 fi 208 fi 209 AC_SUBST(COMPILE_TYPE) 210 211AC_MSG_CHECKING([for compilation type]) 212AC_MSG_RESULT([$COMPILE_TYPE]) 213]) 214 215 # Setup the legacy variables, for controlling the old makefiles. 216 # 217AC_DEFUN([PLATFORM_SETUP_LEGACY_VARS], 218[ 219 # Also store the legacy naming of the cpu. 220 # Ie i586 and amd64 instead of x86 and x86_64 221 OPENJDK_TARGET_CPU_LEGACY="$OPENJDK_TARGET_CPU" 222 if test "x$OPENJDK_TARGET_CPU" = xx86; then 223 OPENJDK_TARGET_CPU_LEGACY="i586" 224 elif test "x$OPENJDK_TARGET_OS" != xmacosx && test "x$OPENJDK_TARGET_CPU" = xx86_64; then 225 # On all platforms except MacOSX replace x86_64 with amd64. 226 OPENJDK_TARGET_CPU_LEGACY="amd64" 227 fi 228 AC_SUBST(OPENJDK_TARGET_CPU_LEGACY) 229 230 # And the second legacy naming of the cpu. 231 # Ie i386 and amd64 instead of x86 and x86_64. 232 OPENJDK_TARGET_CPU_LEGACY_LIB="$OPENJDK_TARGET_CPU" 233 if test "x$OPENJDK_TARGET_CPU" = xx86; then 234 OPENJDK_TARGET_CPU_LEGACY_LIB="i386" 235 elif test "x$OPENJDK_TARGET_CPU" = xx86_64; then 236 OPENJDK_TARGET_CPU_LEGACY_LIB="amd64" 237 fi 238 AC_SUBST(OPENJDK_TARGET_CPU_LEGACY_LIB) 239 240 # This is the name of the cpu (but using i386 and amd64 instead of 241 # x86 and x86_64, respectively), preceeded by a /, to be used when 242 # locating libraries. On macosx, it's empty, though. 243 OPENJDK_TARGET_CPU_LIBDIR="/$OPENJDK_TARGET_CPU_LEGACY_LIB" 244 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 245 OPENJDK_TARGET_CPU_LIBDIR="" 246 fi 247 AC_SUBST(OPENJDK_TARGET_CPU_LIBDIR) 248 249 # OPENJDK_TARGET_CPU_ISADIR is normally empty. On 64-bit Solaris systems, it is set to 250 # /amd64 or /sparcv9. This string is appended to some library paths, like this: 251 # /usr/lib${OPENJDK_TARGET_CPU_ISADIR}/libexample.so 252 OPENJDK_TARGET_CPU_ISADIR="" 253 if test "x$OPENJDK_TARGET_OS" = xsolaris; then 254 if test "x$OPENJDK_TARGET_CPU" = xx86_64; then 255 OPENJDK_TARGET_CPU_ISADIR="/amd64" 256 elif test "x$OPENJDK_TARGET_CPU" = xsparcv9; then 257 OPENJDK_TARGET_CPU_ISADIR="/sparcv9" 258 fi 259 fi 260 AC_SUBST(OPENJDK_TARGET_CPU_ISADIR) 261 262 # Setup OPENJDK_TARGET_CPU_OSARCH, which is used to set the os.arch Java system property 263 OPENJDK_TARGET_CPU_OSARCH="$OPENJDK_TARGET_CPU" 264 if test "x$OPENJDK_TARGET_OS" = xlinux && test "x$OPENJDK_TARGET_CPU" = xx86; then 265 # On linux only, we replace x86 with i386. 266 OPENJDK_TARGET_CPU_OSARCH="i386" 267 elif test "x$OPENJDK_TARGET_OS" != xmacosx && test "x$OPENJDK_TARGET_CPU" = xx86_64; then 268 # On all platforms except macosx, we replace x86_64 with amd64. 269 OPENJDK_TARGET_CPU_OSARCH="amd64" 270 fi 271 AC_SUBST(OPENJDK_TARGET_CPU_OSARCH) 272 273 OPENJDK_TARGET_CPU_JLI="$OPENJDK_TARGET_CPU" 274 if test "x$OPENJDK_TARGET_CPU" = xx86; then 275 OPENJDK_TARGET_CPU_JLI="i386" 276 elif test "x$OPENJDK_TARGET_OS" != xmacosx && test "x$OPENJDK_TARGET_CPU" = xx86_64; then 277 # On all platforms except macosx, we replace x86_64 with amd64. 278 OPENJDK_TARGET_CPU_JLI="amd64" 279 fi 280 # Now setup the -D flags for building libjli. 281 OPENJDK_TARGET_CPU_JLI_CFLAGS="-DLIBARCHNAME='\"$OPENJDK_TARGET_CPU_JLI\"'" 282 if test "x$OPENJDK_TARGET_OS" = xsolaris; then 283 if test "x$OPENJDK_TARGET_CPU_ARCH" = xsparc; then 284 OPENJDK_TARGET_CPU_JLI_CFLAGS="$OPENJDK_TARGET_CPU_JLI_CFLAGS -DLIBARCH32NAME='\"sparc\"' -DLIBARCH64NAME='\"sparcv9\"'" 285 elif test "x$OPENJDK_TARGET_CPU_ARCH" = xx86; then 286 OPENJDK_TARGET_CPU_JLI_CFLAGS="$OPENJDK_TARGET_CPU_JLI_CFLAGS -DLIBARCH32NAME='\"i386\"' -DLIBARCH64NAME='\"amd64\"'" 287 fi 288 fi 289 AC_SUBST(OPENJDK_TARGET_CPU_JLI_CFLAGS) 290 291 # Setup OPENJDK_TARGET_OS_API_DIR, used in source paths. 292 if test "x$OPENJDK_TARGET_OS_API" = xposix; then 293 OPENJDK_TARGET_OS_API_DIR="solaris" 294 fi 295 if test "x$OPENJDK_TARGET_OS_API" = xwinapi; then 296 OPENJDK_TARGET_OS_API_DIR="windows" 297 fi 298 AC_SUBST(OPENJDK_TARGET_OS_API_DIR) 299 300 if test "x$OPENJDK_TARGET_CPU_BITS" = x64; then 301 A_LP64="LP64:=" 302 ADD_LP64="-D_LP64=1" 303 fi 304 AC_SUBST(LP64,$A_LP64) 305 306 if test "x$COMPILE_TYPE" = "xcross"; then 307 # FIXME: ... or should this include reduced builds..? 308 DEFINE_CROSS_COMPILE_ARCH="CROSS_COMPILE_ARCH:=$OPENJDK_TARGET_CPU_LEGACY" 309 else 310 DEFINE_CROSS_COMPILE_ARCH="" 311 fi 312 AC_SUBST(DEFINE_CROSS_COMPILE_ARCH) 313]) 314 315AC_DEFUN([PLATFORM_SET_RELEASE_FILE_OS_VALUES], 316[ 317 if test "x$OPENJDK_TARGET_OS" = "xsolaris"; then 318 REQUIRED_OS_NAME=SunOS 319 REQUIRED_OS_VERSION=5.10 320 fi 321 if test "x$OPENJDK_TARGET_OS" = "xlinux"; then 322 REQUIRED_OS_NAME=Linux 323 REQUIRED_OS_VERSION=2.6 324 fi 325 if test "x$OPENJDK_TARGET_OS" = "xwindows"; then 326 REQUIRED_OS_NAME=Windows 327 if test "x$OPENJDK_TARGET_CPU_BITS" = "x64"; then 328 REQUIRED_OS_VERSION=5.2 329 else 330 REQUIRED_OS_VERSION=5.1 331 fi 332 fi 333 if test "x$OPENJDK_TARGET_OS" = "xmacosx"; then 334 REQUIRED_OS_NAME=Darwin 335 REQUIRED_OS_VERSION=11.2 336 fi 337 338 AC_SUBST(REQUIRED_OS_NAME) 339 AC_SUBST(REQUIRED_OS_VERSION) 340]) 341 342#%%% Build and target systems %%% 343AC_DEFUN_ONCE([PLATFORM_SETUP_OPENJDK_BUILD_AND_TARGET], 344[ 345# Figure out the build and target systems. # Note that in autoconf terminology, "build" is obvious, but "target" 346# is confusing; it assumes you are cross-compiling a cross-compiler (!) and "target" is thus the target of the 347# product you're building. The target of this build is called "host". Since this is confusing to most people, we 348# have not adopted that system, but use "target" as the platform we are building for. In some places though we need 349# to use the configure naming style. 350AC_CANONICAL_BUILD 351AC_CANONICAL_HOST 352AC_CANONICAL_TARGET 353 354PLATFORM_EXTRACT_TARGET_AND_BUILD 355PLATFORM_SETUP_TARGET_CPU_BITS 356PLATFORM_SET_RELEASE_FILE_OS_VALUES 357PLATFORM_SETUP_LEGACY_VARS 358]) 359 360AC_DEFUN_ONCE([PLATFORM_SETUP_OPENJDK_BUILD_OS_VERSION], 361[ 362############################################################################### 363 364# Note that this is the build platform OS version! 365 366OS_VERSION="`uname -r | ${SED} 's!\.! !g' | ${SED} 's!-! !g'`" 367OS_VERSION_MAJOR="`${ECHO} ${OS_VERSION} | ${CUT} -f 1 -d ' '`" 368OS_VERSION_MINOR="`${ECHO} ${OS_VERSION} | ${CUT} -f 2 -d ' '`" 369OS_VERSION_MICRO="`${ECHO} ${OS_VERSION} | ${CUT} -f 3 -d ' '`" 370AC_SUBST(OS_VERSION_MAJOR) 371AC_SUBST(OS_VERSION_MINOR) 372AC_SUBST(OS_VERSION_MICRO) 373]) 374 375# Support macro for PLATFORM_SETUP_OPENJDK_TARGET_BITS. 376# Add -mX to various FLAGS variables. 377AC_DEFUN([PLATFORM_SET_COMPILER_TARGET_BITS_FLAGS], 378[ 379 # keep track of c/cxx flags that we added outselves... 380 # to prevent emitting warning... 381 ADDED_CFLAGS=" -m${OPENJDK_TARGET_CPU_BITS}" 382 ADDED_CXXFLAGS=" -m${OPENJDK_TARGET_CPU_BITS}" 383 ADDED_LDFLAGS=" -m${OPENJDK_TARGET_CPU_BITS}" 384 385 CFLAGS="${CFLAGS}${ADDED_CFLAGS}" 386 CXXFLAGS="${CXXFLAGS}${ADDED_CXXFLAGS}" 387 LDFLAGS="${LDFLAGS}${ADDED_LDFLAGS}" 388 389 CFLAGS_JDK="${CFLAGS_JDK}${ADDED_CFLAGS}" 390 CXXFLAGS_JDK="${CXXFLAGS_JDK}${ADDED_CXXFLAGS}" 391 LDFLAGS_JDK="${LDFLAGS_JDK}${ADDED_LDFLAGS}" 392]) 393 394AC_DEFUN_ONCE([PLATFORM_SETUP_OPENJDK_TARGET_BITS], 395[ 396############################################################################### 397# 398# Now we check if libjvm.so will use 32 or 64 bit pointers for the C/C++ code. 399# (The JVM can use 32 or 64 bit Java pointers but that decision 400# is made at runtime.) 401# 402if test "x$OPENJDK_TARGET_OS" = xsolaris; then 403 # Always specify -m flags on Solaris 404 PLATFORM_SET_COMPILER_TARGET_BITS_FLAGS 405elif test "x$COMPILE_TYPE" = xreduced; then 406 if test "x$OPENJDK_TARGET_OS" != xwindows; then 407 # Specify -m if running reduced on other Posix platforms 408 PLATFORM_SET_COMPILER_TARGET_BITS_FLAGS 409 fi 410fi 411 412# Make compilation sanity check 413AC_CHECK_HEADERS([stdio.h], , [ 414 AC_MSG_NOTICE([Failed to compile stdio.h. This likely implies missing compile dependencies.]) 415 if test "x$COMPILE_TYPE" = xreduced; then 416 AC_MSG_NOTICE([You are doing a reduced build. Check that you have 32-bit libraries installed.]) 417 elif test "x$COMPILE_TYPE" = xcross; then 418 AC_MSG_NOTICE([You are doing a cross-compilation. Check that you have all target platform libraries installed.]) 419 fi 420 AC_MSG_ERROR([Cannot continue.]) 421]) 422 423AC_CHECK_SIZEOF([int *], [1111]) 424 425if test "x$SIZEOF_INT_P" != "x$ac_cv_sizeof_int_p"; then 426 # Workaround autoconf bug, see http://lists.gnu.org/archive/html/autoconf/2010-07/msg00004.html 427 SIZEOF_INT_P="$ac_cv_sizeof_int_p" 428fi 429 430if test "x$SIZEOF_INT_P" = x; then 431 # The test failed, lets stick to the assumed value. 432 AC_MSG_WARN([The number of bits in the target could not be determined, using $OPENJDK_TARGET_CPU_BITS.]) 433else 434 TESTED_TARGET_CPU_BITS=`expr 8 \* $SIZEOF_INT_P` 435 436 if test "x$TESTED_TARGET_CPU_BITS" != "x$OPENJDK_TARGET_CPU_BITS"; then 437 AC_MSG_ERROR([The tested number of bits in the target ($TESTED_TARGET_CPU_BITS) differs from the number of bits expected to be found in the target ($OPENJDK_TARGET_CPU_BITS)]) 438 fi 439fi 440 441AC_MSG_CHECKING([for target address size]) 442AC_MSG_RESULT([$OPENJDK_TARGET_CPU_BITS bits]) 443]) 444 445AC_DEFUN_ONCE([PLATFORM_SETUP_OPENJDK_TARGET_ENDIANNESS], 446[ 447############################################################################### 448# 449# Is the target little of big endian? 450# 451AC_C_BIGENDIAN([ENDIAN="big"],[ENDIAN="little"],[ENDIAN="unknown"],[ENDIAN="universal_endianness"]) 452 453if test "x$ENDIAN" = xuniversal_endianness; then 454 AC_MSG_ERROR([Building with both big and little endianness is not supported]) 455fi 456if test "x$ENDIAN" != "x$OPENJDK_TARGET_CPU_ENDIAN"; then 457 AC_MSG_ERROR([The tested endian in the target ($ENDIAN) differs from the endian expected to be found in the target ($OPENJDK_TARGET_CPU_ENDIAN)]) 458fi 459]) 460