platform.m4 revision 2043:5abfe7826b95
1# 2# Copyright (c) 2011, 2016, 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 aarch64) 52 VAR_CPU=aarch64 53 VAR_CPU_ARCH=aarch64 54 VAR_CPU_BITS=64 55 VAR_CPU_ENDIAN=little 56 ;; 57 powerpc) 58 VAR_CPU=ppc 59 VAR_CPU_ARCH=ppc 60 VAR_CPU_BITS=32 61 VAR_CPU_ENDIAN=big 62 ;; 63 powerpc64) 64 VAR_CPU=ppc64 65 VAR_CPU_ARCH=ppc 66 VAR_CPU_BITS=64 67 VAR_CPU_ENDIAN=big 68 ;; 69 powerpc64le) 70 VAR_CPU=ppc64le 71 VAR_CPU_ARCH=ppc 72 VAR_CPU_BITS=64 73 VAR_CPU_ENDIAN=little 74 ;; 75 s390) 76 VAR_CPU=s390 77 VAR_CPU_ARCH=s390 78 VAR_CPU_BITS=32 79 VAR_CPU_ENDIAN=big 80 ;; 81 s390x) 82 VAR_CPU=s390x 83 VAR_CPU_ARCH=s390 84 VAR_CPU_BITS=64 85 VAR_CPU_ENDIAN=big 86 ;; 87 sparc) 88 VAR_CPU=sparc 89 VAR_CPU_ARCH=sparc 90 VAR_CPU_BITS=32 91 VAR_CPU_ENDIAN=big 92 ;; 93 sparcv9|sparc64) 94 VAR_CPU=sparcv9 95 VAR_CPU_ARCH=sparc 96 VAR_CPU_BITS=64 97 VAR_CPU_ENDIAN=big 98 ;; 99 *) 100 AC_MSG_ERROR([unsupported cpu $1]) 101 ;; 102 esac 103]) 104 105# Support macro for PLATFORM_EXTRACT_TARGET_AND_BUILD. 106# Converts autoconf style OS name to OpenJDK style, into 107# VAR_OS, VAR_OS_TYPE and VAR_OS_ENV. 108AC_DEFUN([PLATFORM_EXTRACT_VARS_FROM_OS], 109[ 110 case "$1" in 111 *linux*) 112 VAR_OS=linux 113 VAR_OS_TYPE=unix 114 ;; 115 *solaris*) 116 VAR_OS=solaris 117 VAR_OS_TYPE=unix 118 ;; 119 *darwin*) 120 VAR_OS=macosx 121 VAR_OS_TYPE=unix 122 ;; 123 *bsd*) 124 VAR_OS=bsd 125 VAR_OS_TYPE=unix 126 ;; 127 *cygwin*) 128 VAR_OS=windows 129 VAR_OS_ENV=windows.cygwin 130 ;; 131 *mingw*) 132 VAR_OS=windows 133 VAR_OS_ENV=windows.msys 134 ;; 135 *aix*) 136 VAR_OS=aix 137 VAR_OS_TYPE=unix 138 ;; 139 *) 140 AC_MSG_ERROR([unsupported operating system $1]) 141 ;; 142 esac 143]) 144 145# Expects $host_os $host_cpu $build_os and $build_cpu 146# and $with_target_bits to have been setup! 147# 148# Translate the standard triplet(quadruplet) definition 149# of the target/build system into OPENJDK_TARGET_OS, OPENJDK_TARGET_CPU, 150# OPENJDK_BUILD_OS, etc. 151AC_DEFUN([PLATFORM_EXTRACT_TARGET_AND_BUILD], 152[ 153 # Copy the autoconf trip/quadruplet verbatim to OPENJDK_TARGET_AUTOCONF_NAME 154 # (from the autoconf "host") and OPENJDK_BUILD_AUTOCONF_NAME 155 # Note that we might later on rewrite e.g. OPENJDK_TARGET_CPU due to reduced build, 156 # but this will not change the value of OPENJDK_TARGET_AUTOCONF_NAME. 157 OPENJDK_TARGET_AUTOCONF_NAME="$host" 158 OPENJDK_BUILD_AUTOCONF_NAME="$build" 159 AC_SUBST(OPENJDK_TARGET_AUTOCONF_NAME) 160 AC_SUBST(OPENJDK_BUILD_AUTOCONF_NAME) 161 162 # Convert the autoconf OS/CPU value to our own data, into the VAR_OS/CPU variables. 163 PLATFORM_EXTRACT_VARS_FROM_OS($build_os) 164 PLATFORM_EXTRACT_VARS_FROM_CPU($build_cpu) 165 # ..and setup our own variables. (Do this explicitely to facilitate searching) 166 OPENJDK_BUILD_OS="$VAR_OS" 167 if test "x$VAR_OS_TYPE" != x; then 168 OPENJDK_BUILD_OS_TYPE="$VAR_OS_TYPE" 169 else 170 OPENJDK_BUILD_OS_TYPE="$VAR_OS" 171 fi 172 if test "x$VAR_OS_ENV" != x; then 173 OPENJDK_BUILD_OS_ENV="$VAR_OS_ENV" 174 else 175 OPENJDK_BUILD_OS_ENV="$VAR_OS" 176 fi 177 OPENJDK_BUILD_CPU="$VAR_CPU" 178 OPENJDK_BUILD_CPU_ARCH="$VAR_CPU_ARCH" 179 OPENJDK_BUILD_CPU_BITS="$VAR_CPU_BITS" 180 OPENJDK_BUILD_CPU_ENDIAN="$VAR_CPU_ENDIAN" 181 AC_SUBST(OPENJDK_BUILD_OS) 182 AC_SUBST(OPENJDK_BUILD_OS_TYPE) 183 AC_SUBST(OPENJDK_BUILD_OS_ENV) 184 AC_SUBST(OPENJDK_BUILD_CPU) 185 AC_SUBST(OPENJDK_BUILD_CPU_ARCH) 186 AC_SUBST(OPENJDK_BUILD_CPU_BITS) 187 AC_SUBST(OPENJDK_BUILD_CPU_ENDIAN) 188 189 AC_MSG_CHECKING([openjdk-build os-cpu]) 190 AC_MSG_RESULT([$OPENJDK_BUILD_OS-$OPENJDK_BUILD_CPU]) 191 192 # Convert the autoconf OS/CPU value to our own data, into the VAR_OS/CPU variables. 193 PLATFORM_EXTRACT_VARS_FROM_OS($host_os) 194 PLATFORM_EXTRACT_VARS_FROM_CPU($host_cpu) 195 # ... and setup our own variables. (Do this explicitely to facilitate searching) 196 OPENJDK_TARGET_OS="$VAR_OS" 197 if test "x$VAR_OS_TYPE" != x; then 198 OPENJDK_TARGET_OS_TYPE="$VAR_OS_TYPE" 199 else 200 OPENJDK_TARGET_OS_TYPE="$VAR_OS" 201 fi 202 if test "x$VAR_OS_ENV" != x; then 203 OPENJDK_TARGET_OS_ENV="$VAR_OS_ENV" 204 else 205 OPENJDK_TARGET_OS_ENV="$VAR_OS" 206 fi 207 OPENJDK_TARGET_CPU="$VAR_CPU" 208 OPENJDK_TARGET_CPU_ARCH="$VAR_CPU_ARCH" 209 OPENJDK_TARGET_CPU_BITS="$VAR_CPU_BITS" 210 OPENJDK_TARGET_CPU_ENDIAN="$VAR_CPU_ENDIAN" 211 AC_SUBST(OPENJDK_TARGET_OS) 212 AC_SUBST(OPENJDK_TARGET_OS_TYPE) 213 AC_SUBST(OPENJDK_TARGET_OS_ENV) 214 AC_SUBST(OPENJDK_TARGET_CPU) 215 AC_SUBST(OPENJDK_TARGET_CPU_ARCH) 216 AC_SUBST(OPENJDK_TARGET_CPU_BITS) 217 AC_SUBST(OPENJDK_TARGET_CPU_ENDIAN) 218 219 AC_MSG_CHECKING([openjdk-target os-cpu]) 220 AC_MSG_RESULT([$OPENJDK_TARGET_OS-$OPENJDK_TARGET_CPU]) 221]) 222 223# Check if a reduced build (32-bit on 64-bit platforms) is requested, and modify behaviour 224# accordingly. Must be done after setting up build and target system, but before 225# doing anything else with these values. 226AC_DEFUN([PLATFORM_SETUP_TARGET_CPU_BITS], 227[ 228 AC_ARG_WITH(target-bits, [AS_HELP_STRING([--with-target-bits], 229 [build 32-bit or 64-bit binaries (for platforms that support it), e.g. --with-target-bits=32 @<:@guessed@:>@])]) 230 231 # We have three types of compiles: 232 # native == normal compilation, target system == build system 233 # cross == traditional cross compilation, target system != build system; special toolchain needed 234 # reduced == using native compilers, but with special flags (e.g. -m32) to produce 32-bit builds on 64-bit machines 235 # 236 if test "x$OPENJDK_BUILD_AUTOCONF_NAME" != "x$OPENJDK_TARGET_AUTOCONF_NAME"; then 237 # We're doing a proper cross-compilation 238 COMPILE_TYPE="cross" 239 else 240 COMPILE_TYPE="native" 241 fi 242 243 if test "x$with_target_bits" != x; then 244 if test "x$COMPILE_TYPE" = "xcross"; then 245 AC_MSG_ERROR([It is not possible to combine --with-target-bits=X and proper cross-compilation. Choose either.]) 246 fi 247 248 if test "x$with_target_bits" = x32 && test "x$OPENJDK_TARGET_CPU_BITS" = x64; then 249 # A reduced build is requested 250 COMPILE_TYPE="reduced" 251 OPENJDK_TARGET_CPU_BITS=32 252 if test "x$OPENJDK_TARGET_CPU_ARCH" = "xx86"; then 253 OPENJDK_TARGET_CPU=x86 254 elif test "x$OPENJDK_TARGET_CPU_ARCH" = "xsparc"; then 255 OPENJDK_TARGET_CPU=sparc 256 else 257 AC_MSG_ERROR([Reduced build (--with-target-bits=32) is only supported on x86_64 and sparcv9]) 258 fi 259 elif test "x$with_target_bits" = x64 && test "x$OPENJDK_TARGET_CPU_BITS" = x32; then 260 AC_MSG_ERROR([It is not possible to use --with-target-bits=64 on a 32 bit system. Use proper cross-compilation instead.]) 261 elif test "x$with_target_bits" = "x$OPENJDK_TARGET_CPU_BITS"; then 262 AC_MSG_NOTICE([--with-target-bits are set to build platform address size; argument has no meaning]) 263 else 264 AC_MSG_ERROR([--with-target-bits can only be 32 or 64, you specified $with_target_bits!]) 265 fi 266 fi 267 AC_SUBST(COMPILE_TYPE) 268 269 AC_MSG_CHECKING([compilation type]) 270 AC_MSG_RESULT([$COMPILE_TYPE]) 271]) 272 273# Setup the legacy variables, for controlling the old makefiles. 274# 275AC_DEFUN([PLATFORM_SETUP_LEGACY_VARS], 276[ 277 PLATFORM_SETUP_LEGACY_VARS_HELPER([TARGET]) 278 PLATFORM_SETUP_LEGACY_VARS_HELPER([BUILD]) 279 280 # ZERO_ARCHDEF is used to enable architecture-specific code. 281 # This is used in legacy hotspot build. 282 ZERO_ARCHDEF="$HOTSPOT_TARGET_CPU_DEFINE" 283 AC_SUBST(ZERO_ARCHDEF) 284 285]) 286 287# $1 - Either TARGET or BUILD to setup the variables for. 288AC_DEFUN([PLATFORM_SETUP_LEGACY_VARS_HELPER], 289[ 290 # Also store the legacy naming of the cpu. 291 # Ie i586 and amd64 instead of x86 and x86_64 292 OPENJDK_$1_CPU_LEGACY="$OPENJDK_$1_CPU" 293 if test "x$OPENJDK_$1_CPU" = xx86; then 294 OPENJDK_$1_CPU_LEGACY="i586" 295 elif test "x$OPENJDK_$1_OS" != xmacosx && test "x$OPENJDK_$1_CPU" = xx86_64; then 296 # On all platforms except MacOSX replace x86_64 with amd64. 297 OPENJDK_$1_CPU_LEGACY="amd64" 298 fi 299 AC_SUBST(OPENJDK_$1_CPU_LEGACY) 300 301 # And the second legacy naming of the cpu. 302 # Ie i386 and amd64 instead of x86 and x86_64. 303 OPENJDK_$1_CPU_LEGACY_LIB="$OPENJDK_$1_CPU" 304 if test "x$OPENJDK_$1_CPU" = xx86; then 305 OPENJDK_$1_CPU_LEGACY_LIB="i386" 306 elif test "x$OPENJDK_$1_CPU" = xx86_64; then 307 OPENJDK_$1_CPU_LEGACY_LIB="amd64" 308 fi 309 AC_SUBST(OPENJDK_$1_CPU_LEGACY_LIB) 310 311 # This is the name of the cpu (but using i386 and amd64 instead of 312 # x86 and x86_64, respectively), preceeded by a /, to be used when 313 # locating libraries. On macosx, it's empty, though. 314 OPENJDK_$1_CPU_LIBDIR="/$OPENJDK_$1_CPU_LEGACY_LIB" 315 if test "x$OPENJDK_$1_OS" = xmacosx; then 316 OPENJDK_$1_CPU_LIBDIR="" 317 fi 318 AC_SUBST(OPENJDK_$1_CPU_LIBDIR) 319 320 # OPENJDK_$1_CPU_ISADIR is normally empty. On 64-bit Solaris systems, it is set to 321 # /amd64 or /sparcv9. This string is appended to some library paths, like this: 322 # /usr/lib${OPENJDK_$1_CPU_ISADIR}/libexample.so 323 OPENJDK_$1_CPU_ISADIR="" 324 if test "x$OPENJDK_$1_OS" = xsolaris; then 325 if test "x$OPENJDK_$1_CPU" = xx86_64; then 326 OPENJDK_$1_CPU_ISADIR="/amd64" 327 elif test "x$OPENJDK_$1_CPU" = xsparcv9; then 328 OPENJDK_$1_CPU_ISADIR="/sparcv9" 329 fi 330 fi 331 AC_SUBST(OPENJDK_$1_CPU_ISADIR) 332 333 # Setup OPENJDK_$1_CPU_OSARCH, which is used to set the os.arch Java system property 334 OPENJDK_$1_CPU_OSARCH="$OPENJDK_$1_CPU" 335 if test "x$OPENJDK_$1_OS" = xlinux && test "x$OPENJDK_$1_CPU" = xx86; then 336 # On linux only, we replace x86 with i386. 337 OPENJDK_$1_CPU_OSARCH="i386" 338 elif test "x$OPENJDK_$1_OS" != xmacosx && test "x$OPENJDK_$1_CPU" = xx86_64; then 339 # On all platforms except macosx, we replace x86_64 with amd64. 340 OPENJDK_$1_CPU_OSARCH="amd64" 341 fi 342 AC_SUBST(OPENJDK_$1_CPU_OSARCH) 343 344 OPENJDK_$1_CPU_JLI="$OPENJDK_$1_CPU" 345 if test "x$OPENJDK_$1_CPU" = xx86; then 346 OPENJDK_$1_CPU_JLI="i386" 347 elif test "x$OPENJDK_$1_OS" != xmacosx && test "x$OPENJDK_$1_CPU" = xx86_64; then 348 # On all platforms except macosx, we replace x86_64 with amd64. 349 OPENJDK_$1_CPU_JLI="amd64" 350 fi 351 # Now setup the -D flags for building libjli. 352 OPENJDK_$1_CPU_JLI_CFLAGS="-DLIBARCHNAME='\"$OPENJDK_$1_CPU_JLI\"'" 353 if test "x$OPENJDK_$1_OS" = xsolaris; then 354 if test "x$OPENJDK_$1_CPU_ARCH" = xsparc; then 355 OPENJDK_$1_CPU_JLI_CFLAGS="$OPENJDK_$1_CPU_JLI_CFLAGS -DLIBARCH32NAME='\"sparc\"' -DLIBARCH64NAME='\"sparcv9\"'" 356 elif test "x$OPENJDK_$1_CPU_ARCH" = xx86; then 357 OPENJDK_$1_CPU_JLI_CFLAGS="$OPENJDK_$1_CPU_JLI_CFLAGS -DLIBARCH32NAME='\"i386\"' -DLIBARCH64NAME='\"amd64\"'" 358 fi 359 fi 360 AC_SUBST(OPENJDK_$1_CPU_JLI_CFLAGS) 361 362 if test "x$OPENJDK_$1_OS" = xmacosx; then 363 OPENJDK_$1_OS_EXPORT_DIR=macosx 364 else 365 OPENJDK_$1_OS_EXPORT_DIR=${OPENJDK_$1_OS_TYPE} 366 fi 367 AC_SUBST(OPENJDK_$1_OS_EXPORT_DIR) 368 369 if test "x$OPENJDK_$1_CPU_BITS" = x64; then 370 A_LP64="LP64:=" 371 # -D_LP64=1 is only set on linux and mac. Setting on windows causes diff in 372 # unpack200.exe 373 if test "x$OPENJDK_$1_OS" = xlinux || test "x$OPENJDK_$1_OS" = xmacosx; then 374 OPENJDK_$1_ADD_LP64="-D_LP64=1" 375 fi 376 fi 377 AC_SUBST(LP64,$A_LP64) 378 379 if test "x$COMPILE_TYPE" = "xcross"; then 380 # FIXME: ... or should this include reduced builds..? 381 DEFINE_CROSS_COMPILE_ARCH="CROSS_COMPILE_ARCH:=$OPENJDK_$1_CPU_LEGACY" 382 else 383 DEFINE_CROSS_COMPILE_ARCH="" 384 fi 385 AC_SUBST(DEFINE_CROSS_COMPILE_ARCH) 386 387 # Convert openjdk platform names to hotspot names 388 389 HOTSPOT_$1_OS=${OPENJDK_$1_OS} 390 if test "x$OPENJDK_$1_OS" = xmacosx; then 391 HOTSPOT_$1_OS=bsd 392 fi 393 AC_SUBST(HOTSPOT_$1_OS) 394 395 HOTSPOT_$1_OS_TYPE=${OPENJDK_$1_OS_TYPE} 396 if test "x$OPENJDK_$1_OS_TYPE" = xunix; then 397 HOTSPOT_$1_OS_TYPE=posix 398 fi 399 AC_SUBST(HOTSPOT_$1_OS_TYPE) 400 401 HOTSPOT_$1_CPU=${OPENJDK_$1_CPU} 402 if test "x$OPENJDK_$1_CPU" = xx86; then 403 HOTSPOT_$1_CPU=x86_32 404 elif test "x$OPENJDK_$1_CPU" = xsparcv9; then 405 HOTSPOT_$1_CPU=sparc 406 elif test "x$OPENJDK_$1_CPU" = xppc64; then 407 HOTSPOT_$1_CPU=ppc_64 408 elif test "x$OPENJDK_$1_CPU" = xppc64le; then 409 HOTSPOT_$1_CPU=ppc_64 410 fi 411 AC_SUBST(HOTSPOT_$1_CPU) 412 413 # This is identical with OPENJDK_*, but define anyway for consistency. 414 HOTSPOT_$1_CPU_ARCH=${OPENJDK_$1_CPU_ARCH} 415 AC_SUBST(HOTSPOT_$1_CPU_ARCH) 416 417 # Setup HOTSPOT_$1_CPU_DEFINE 418 if test "x$OPENJDK_$1_CPU" = xx86; then 419 HOTSPOT_$1_CPU_DEFINE=IA32 420 elif test "x$OPENJDK_$1_CPU" = xx86_64; then 421 HOTSPOT_$1_CPU_DEFINE=AMD64 422 elif test "x$OPENJDK_$1_CPU" = xsparcv9; then 423 HOTSPOT_$1_CPU_DEFINE=SPARC 424 elif test "x$OPENJDK_$1_CPU" = xaarch64; then 425 HOTSPOT_$1_CPU_DEFINE=AARCH64 426 elif test "x$OPENJDK_$1_CPU" = xppc64; then 427 HOTSPOT_$1_CPU_DEFINE=PPC64 428 elif test "x$OPENJDK_$1_CPU" = xppc64le; then 429 HOTSPOT_$1_CPU_DEFINE=PPC64 430 431 # The cpu defines below are for zero, we don't support them directly. 432 elif test "x$OPENJDK_$1_CPU" = xsparc; then 433 HOTSPOT_$1_CPU_DEFINE=SPARC 434 elif test "x$OPENJDK_$1_CPU" = xppc; then 435 HOTSPOT_$1_CPU_DEFINE=PPC32 436 elif test "x$OPENJDK_$1_CPU" = xs390; then 437 HOTSPOT_$1_CPU_DEFINE=S390 438 elif test "x$OPENJDK_$1_CPU" = xs390x; then 439 HOTSPOT_$1_CPU_DEFINE=S390 440 fi 441 AC_SUBST(HOTSPOT_$1_CPU_DEFINE) 442 443]) 444 445AC_DEFUN([PLATFORM_SET_RELEASE_FILE_OS_VALUES], 446[ 447 if test "x$OPENJDK_TARGET_OS" = "xsolaris"; then 448 REQUIRED_OS_NAME=SunOS 449 REQUIRED_OS_VERSION=5.10 450 fi 451 if test "x$OPENJDK_TARGET_OS" = "xlinux"; then 452 REQUIRED_OS_NAME=Linux 453 REQUIRED_OS_VERSION=2.6 454 fi 455 if test "x$OPENJDK_TARGET_OS" = "xwindows"; then 456 REQUIRED_OS_NAME=Windows 457 if test "x$OPENJDK_TARGET_CPU_BITS" = "x64"; then 458 REQUIRED_OS_VERSION=5.2 459 else 460 REQUIRED_OS_VERSION=5.1 461 fi 462 fi 463 if test "x$OPENJDK_TARGET_OS" = "xmacosx"; then 464 REQUIRED_OS_NAME=Darwin 465 REQUIRED_OS_VERSION=11.2 466 fi 467 if test "x$OPENJDK_TARGET_OS" = "xaix"; then 468 REQUIRED_OS_NAME=AIX 469 REQUIRED_OS_VERSION=7.1 470 fi 471 472 AC_SUBST(REQUIRED_OS_NAME) 473 AC_SUBST(REQUIRED_OS_VERSION) 474]) 475 476#%%% Build and target systems %%% 477AC_DEFUN_ONCE([PLATFORM_SETUP_OPENJDK_BUILD_AND_TARGET], 478[ 479 # Figure out the build and target systems. # Note that in autoconf terminology, "build" is obvious, but "target" 480 # is confusing; it assumes you are cross-compiling a cross-compiler (!) and "target" is thus the target of the 481 # product you're building. The target of this build is called "host". Since this is confusing to most people, we 482 # have not adopted that system, but use "target" as the platform we are building for. In some places though we need 483 # to use the configure naming style. 484 AC_CANONICAL_BUILD 485 AC_CANONICAL_HOST 486 AC_CANONICAL_TARGET 487 488 PLATFORM_EXTRACT_TARGET_AND_BUILD 489 PLATFORM_SETUP_TARGET_CPU_BITS 490 PLATFORM_SET_RELEASE_FILE_OS_VALUES 491 PLATFORM_SETUP_LEGACY_VARS 492]) 493 494AC_DEFUN_ONCE([PLATFORM_SETUP_OPENJDK_BUILD_OS_VERSION], 495[ 496 ############################################################################### 497 498 # Note that this is the build platform OS version! 499 500 OS_VERSION="`uname -r | ${SED} 's!\.! !g' | ${SED} 's!-! !g'`" 501 OS_VERSION_MAJOR="`${ECHO} ${OS_VERSION} | ${CUT} -f 1 -d ' '`" 502 OS_VERSION_MINOR="`${ECHO} ${OS_VERSION} | ${CUT} -f 2 -d ' '`" 503 OS_VERSION_MICRO="`${ECHO} ${OS_VERSION} | ${CUT} -f 3 -d ' '`" 504 AC_SUBST(OS_VERSION_MAJOR) 505 AC_SUBST(OS_VERSION_MINOR) 506 AC_SUBST(OS_VERSION_MICRO) 507]) 508 509# Support macro for PLATFORM_SETUP_OPENJDK_TARGET_BITS. 510# Add -mX to various FLAGS variables. 511AC_DEFUN([PLATFORM_SET_COMPILER_TARGET_BITS_FLAGS], 512[ 513 # When we add flags to the "official" CFLAGS etc, we need to 514 # keep track of these additions in ADDED_CFLAGS etc. These 515 # will later be checked to make sure only controlled additions 516 # have been made to CFLAGS etc. 517 ADDED_CFLAGS=" ${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}" 518 ADDED_CXXFLAGS=" ${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}" 519 ADDED_LDFLAGS=" ${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}" 520 521 CFLAGS="${CFLAGS}${ADDED_CFLAGS}" 522 CXXFLAGS="${CXXFLAGS}${ADDED_CXXFLAGS}" 523 LDFLAGS="${LDFLAGS}${ADDED_LDFLAGS}" 524 525 CFLAGS_JDK="${CFLAGS_JDK}${ADDED_CFLAGS}" 526 CXXFLAGS_JDK="${CXXFLAGS_JDK}${ADDED_CXXFLAGS}" 527 LDFLAGS_JDK="${LDFLAGS_JDK}${ADDED_LDFLAGS}" 528 529 JVM_CFLAGS="$JVM_CFLAGS $ADDED_CFLAGS" 530 JVM_LDFLAGS="$JVM_LDFLAGS $ADDED_LDFLAGS" 531 JVM_ASFLAGS="$JVM_ASFLAGS $ADDED_CFLAGS" 532]) 533 534AC_DEFUN_ONCE([PLATFORM_SETUP_OPENJDK_TARGET_BITS], 535[ 536 ############################################################################### 537 # 538 # Now we check if libjvm.so will use 32 or 64 bit pointers for the C/C++ code. 539 # (The JVM can use 32 or 64 bit Java pointers but that decision 540 # is made at runtime.) 541 # 542 543 if test "x$OPENJDK_TARGET_OS" = xsolaris || test "x$OPENJDK_TARGET_OS" = xaix; then 544 # Always specify -m flag on Solaris 545 # And -q on AIX because otherwise the compiler produces 32-bit objects by default 546 PLATFORM_SET_COMPILER_TARGET_BITS_FLAGS 547 elif test "x$COMPILE_TYPE" = xreduced; then 548 if test "x$OPENJDK_TARGET_OS_TYPE" = xunix; then 549 # Specify -m if running reduced on unix platforms 550 PLATFORM_SET_COMPILER_TARGET_BITS_FLAGS 551 fi 552 fi 553 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 554 JVM_CFLAGS="$JVM_CFLAGS ${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}" 555 JVM_LDFLAGS="$JVM_LDFLAGS ${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}" 556 JVM_ASFLAGS="$JVM_ASFLAGS ${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}" 557 fi 558 559 # Make compilation sanity check 560 AC_CHECK_HEADERS([stdio.h], , [ 561 AC_MSG_NOTICE([Failed to compile stdio.h. This likely implies missing compile dependencies.]) 562 if test "x$COMPILE_TYPE" = xreduced; then 563 HELP_MSG_MISSING_DEPENDENCY([reduced]) 564 AC_MSG_NOTICE([You are doing a reduced build. Check that you have 32-bit libraries installed. $HELP_MSG]) 565 elif test "x$COMPILE_TYPE" = xcross; then 566 AC_MSG_NOTICE([You are doing a cross-compilation. Check that you have all target platform libraries installed.]) 567 fi 568 AC_MSG_ERROR([Cannot continue.]) 569 ]) 570 571 AC_CHECK_SIZEOF([int *], [1111]) 572 573 # AC_CHECK_SIZEOF defines 'ac_cv_sizeof_int_p' to hold the number of bytes used by an 'int*' 574 if test "x$ac_cv_sizeof_int_p" = x; then 575 # The test failed, lets stick to the assumed value. 576 AC_MSG_WARN([The number of bits in the target could not be determined, using $OPENJDK_TARGET_CPU_BITS.]) 577 else 578 TESTED_TARGET_CPU_BITS=`expr 8 \* $ac_cv_sizeof_int_p` 579 580 if test "x$TESTED_TARGET_CPU_BITS" != "x$OPENJDK_TARGET_CPU_BITS"; then 581 # This situation may happen on 64-bit platforms where the compiler by default only generates 32-bit objects 582 # Let's try to implicitely set the compilers target architecture and retry the test 583 AC_MSG_NOTICE([The tested number of bits in the target ($TESTED_TARGET_CPU_BITS) differs from the number of bits expected to be found in the target ($OPENJDK_TARGET_CPU_BITS).]) 584 AC_MSG_NOTICE([Retrying with platforms compiler target bits flag to ${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}]) 585 PLATFORM_SET_COMPILER_TARGET_BITS_FLAGS 586 587 # We have to unset 'ac_cv_sizeof_int_p' first, otherwise AC_CHECK_SIZEOF will use the previously cached value! 588 unset ac_cv_sizeof_int_p 589 # And we have to undef the definition of SIZEOF_INT_P in confdefs.h by the previous invocation of AC_CHECK_SIZEOF 590 cat >>confdefs.h <<_ACEOF 591#undef SIZEOF_INT_P 592_ACEOF 593 594 AC_CHECK_SIZEOF([int *], [1111]) 595 596 TESTED_TARGET_CPU_BITS=`expr 8 \* $ac_cv_sizeof_int_p` 597 598 if test "x$TESTED_TARGET_CPU_BITS" != "x$OPENJDK_TARGET_CPU_BITS"; then 599 AC_MSG_NOTICE([The tested number of bits in the target ($TESTED_TARGET_CPU_BITS) differs from the number of bits expected to be found in the target ($OPENJDK_TARGET_CPU_BITS)]) 600 if test "x$COMPILE_TYPE" = xreduced; then 601 HELP_MSG_MISSING_DEPENDENCY([reduced]) 602 AC_MSG_NOTICE([You are doing a reduced build. Check that you have 32-bit libraries installed. $HELP_MSG]) 603 elif test "x$COMPILE_TYPE" = xcross; then 604 AC_MSG_NOTICE([You are doing a cross-compilation. Check that you have all target platform libraries installed.]) 605 fi 606 AC_MSG_ERROR([Cannot continue.]) 607 fi 608 fi 609 fi 610 611 AC_MSG_CHECKING([for target address size]) 612 AC_MSG_RESULT([$OPENJDK_TARGET_CPU_BITS bits]) 613]) 614 615AC_DEFUN_ONCE([PLATFORM_SETUP_OPENJDK_TARGET_ENDIANNESS], 616[ 617 ############################################################################### 618 # 619 # Is the target little of big endian? 620 # 621 AC_C_BIGENDIAN([ENDIAN="big"],[ENDIAN="little"],[ENDIAN="unknown"],[ENDIAN="universal_endianness"]) 622 623 if test "x$ENDIAN" = xuniversal_endianness; then 624 AC_MSG_ERROR([Building with both big and little endianness is not supported]) 625 fi 626 if test "x$ENDIAN" != "x$OPENJDK_TARGET_CPU_ENDIAN"; then 627 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)]) 628 fi 629]) 630