platform.m4 revision 1120:ba5645f2735b
1204431Sraj# 2204431Sraj# Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved. 3204431Sraj# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4204431Sraj# 5204431Sraj# This code is free software; you can redistribute it and/or modify it 6204431Sraj# under the terms of the GNU General Public License version 2 only, as 7204431Sraj# published by the Free Software Foundation. Oracle designates this 8204431Sraj# particular file as subject to the "Classpath" exception as provided 9204431Sraj# by Oracle in the LICENSE file that accompanied this code. 10204431Sraj# 11204431Sraj# This code is distributed in the hope that it will be useful, but WITHOUT 12204431Sraj# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13204431Sraj# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14204431Sraj# version 2 for more details (a copy is included in the LICENSE file that 15204431Sraj# accompanied this code). 16204431Sraj# 17204431Sraj# You should have received a copy of the GNU General Public License version 18204431Sraj# 2 along with this work; if not, write to the Free Software Foundation, 19204431Sraj# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20204431Sraj# 21204431Sraj# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22204431Sraj# or visit www.oracle.com if you need additional information or have any 23204431Sraj# questions. 24204431Sraj# 25204431Sraj 26204431Sraj# Support macro for PLATFORM_EXTRACT_TARGET_AND_BUILD. 27204431Sraj# Converts autoconf style CPU name to OpenJDK style, into 28204431Sraj# VAR_CPU, VAR_CPU_ARCH, VAR_CPU_BITS and VAR_CPU_ENDIAN. 29204431SrajAC_DEFUN([PLATFORM_EXTRACT_VARS_FROM_CPU], 30204431Sraj[ 31204431Sraj # First argument is the cpu name from the trip/quad 32204431Sraj case "$1" in 33204431Sraj x86_64) 34204431Sraj VAR_CPU=x86_64 35204431Sraj VAR_CPU_ARCH=x86 36204431Sraj VAR_CPU_BITS=64 37204431Sraj VAR_CPU_ENDIAN=little 38204431Sraj ;; 39204431Sraj i?86) 40204431Sraj VAR_CPU=x86 41204431Sraj VAR_CPU_ARCH=x86 42204431Sraj VAR_CPU_BITS=32 43204431Sraj VAR_CPU_ENDIAN=little 44204431Sraj ;; 45204431Sraj arm*) 46204431Sraj VAR_CPU=arm 47204431Sraj VAR_CPU_ARCH=arm 48204431Sraj VAR_CPU_BITS=32 49204431Sraj VAR_CPU_ENDIAN=little 50204431Sraj ;; 51204431Sraj powerpc) 52204431Sraj VAR_CPU=ppc 53204431Sraj VAR_CPU_ARCH=ppc 54204431Sraj VAR_CPU_BITS=32 55204431Sraj VAR_CPU_ENDIAN=big 56204431Sraj ;; 57204431Sraj powerpc64) 58204431Sraj VAR_CPU=ppc64 59204431Sraj VAR_CPU_ARCH=ppc 60204431Sraj VAR_CPU_BITS=64 61204431Sraj VAR_CPU_ENDIAN=big 62204431Sraj ;; 63204431Sraj powerpc64le) 64204431Sraj VAR_CPU=ppc64 65204431Sraj VAR_CPU_ARCH=ppc 66204431Sraj VAR_CPU_BITS=64 67204431Sraj VAR_CPU_ENDIAN=little 68204431Sraj ;; 69204431Sraj s390) 70204431Sraj VAR_CPU=s390 71204431Sraj VAR_CPU_ARCH=s390 72204431Sraj VAR_CPU_BITS=32 73204431Sraj VAR_CPU_ENDIAN=big 74204431Sraj ;; 75204431Sraj s390x) 76204431Sraj VAR_CPU=s390x 77204431Sraj VAR_CPU_ARCH=s390 78204431Sraj VAR_CPU_BITS=64 79204431Sraj VAR_CPU_ENDIAN=big 80204431Sraj ;; 81204431Sraj sparc) 82204431Sraj VAR_CPU=sparc 83204431Sraj VAR_CPU_ARCH=sparc 84204431Sraj VAR_CPU_BITS=32 85204431Sraj VAR_CPU_ENDIAN=big 86204431Sraj ;; 87204431Sraj sparcv9|sparc64) 88204431Sraj VAR_CPU=sparcv9 89204431Sraj VAR_CPU_ARCH=sparc 90204431Sraj VAR_CPU_BITS=64 91204431Sraj VAR_CPU_ENDIAN=big 92204431Sraj ;; 93204431Sraj *) 94204431Sraj AC_MSG_ERROR([unsupported cpu $1]) 95204431Sraj ;; 96204431Sraj esac 97204431Sraj]) 98204431Sraj 99204431Sraj# Support macro for PLATFORM_EXTRACT_TARGET_AND_BUILD. 100204431Sraj# Converts autoconf style OS name to OpenJDK style, into 101204431Sraj# VAR_OS and VAR_OS_API. 102204431SrajAC_DEFUN([PLATFORM_EXTRACT_VARS_FROM_OS], 103204431Sraj[ 104204431Sraj case "$1" in 105204431Sraj *linux*) 106204431Sraj VAR_OS=linux 107204431Sraj VAR_OS_API=posix 108204431Sraj VAR_OS_ENV=linux 109204431Sraj ;; 110204431Sraj *solaris*) 111204431Sraj VAR_OS=solaris 112204431Sraj VAR_OS_API=posix 113204431Sraj VAR_OS_ENV=solaris 114204431Sraj ;; 115204431Sraj *darwin*) 116204431Sraj VAR_OS=macosx 117204431Sraj VAR_OS_API=posix 118204431Sraj VAR_OS_ENV=macosx 119204431Sraj ;; 120204431Sraj *bsd*) 121204431Sraj VAR_OS=bsd 122204431Sraj VAR_OS_API=posix 123204431Sraj VAR_OS_ENV=bsd 124204431Sraj ;; 125204431Sraj *cygwin*) 126204431Sraj VAR_OS=windows 127204431Sraj VAR_OS_API=winapi 128204431Sraj VAR_OS_ENV=windows.cygwin 129204431Sraj ;; 130204431Sraj *mingw*) 131204431Sraj VAR_OS=windows 132204431Sraj VAR_OS_API=winapi 133204431Sraj VAR_OS_ENV=windows.msys 134204431Sraj ;; 135204431Sraj *aix*) 136204431Sraj VAR_OS=aix 137204431Sraj VAR_OS_API=posix 138204431Sraj VAR_OS_ENV=aix 139204431Sraj ;; 140204431Sraj *) 141204431Sraj AC_MSG_ERROR([unsupported operating system $1]) 142204431Sraj ;; 143204431Sraj esac 144204431Sraj]) 145204431Sraj 146204431Sraj# Expects $host_os $host_cpu $build_os and $build_cpu 147204431Sraj# and $with_target_bits to have been setup! 148204431Sraj# 149204431Sraj# Translate the standard triplet(quadruplet) definition 150204431Sraj# of the target/build system into OPENJDK_TARGET_OS, OPENJDK_TARGET_CPU, 151204431Sraj# OPENJDK_BUILD_OS, etc. 152204431SrajAC_DEFUN([PLATFORM_EXTRACT_TARGET_AND_BUILD], 153204431Sraj[ 154204431Sraj # Copy the autoconf trip/quadruplet verbatim to OPENJDK_TARGET_AUTOCONF_NAME 155204431Sraj # (from the autoconf "host") and OPENJDK_BUILD_AUTOCONF_NAME 156204431Sraj # Note that we might later on rewrite e.g. OPENJDK_TARGET_CPU due to reduced build, 157204431Sraj # but this will not change the value of OPENJDK_TARGET_AUTOCONF_NAME. 158204431Sraj OPENJDK_TARGET_AUTOCONF_NAME="$host" 159204431Sraj OPENJDK_BUILD_AUTOCONF_NAME="$build" 160204431Sraj AC_SUBST(OPENJDK_TARGET_AUTOCONF_NAME) 161204431Sraj AC_SUBST(OPENJDK_BUILD_AUTOCONF_NAME) 162204431Sraj 163204431Sraj # Convert the autoconf OS/CPU value to our own data, into the VAR_OS/CPU variables. 164204431Sraj PLATFORM_EXTRACT_VARS_FROM_OS($build_os) 165204431Sraj PLATFORM_EXTRACT_VARS_FROM_CPU($build_cpu) 166204431Sraj # ..and setup our own variables. (Do this explicitely to facilitate searching) 167204431Sraj OPENJDK_BUILD_OS="$VAR_OS" 168204431Sraj OPENJDK_BUILD_OS_API="$VAR_OS_API" 169204431Sraj OPENJDK_BUILD_OS_ENV="$VAR_OS_ENV" 170204431Sraj OPENJDK_BUILD_CPU="$VAR_CPU" 171204431Sraj OPENJDK_BUILD_CPU_ARCH="$VAR_CPU_ARCH" 172204431Sraj OPENJDK_BUILD_CPU_BITS="$VAR_CPU_BITS" 173204431Sraj OPENJDK_BUILD_CPU_ENDIAN="$VAR_CPU_ENDIAN" 174204431Sraj AC_SUBST(OPENJDK_BUILD_OS) 175204431Sraj AC_SUBST(OPENJDK_BUILD_OS_API) 176204431Sraj AC_SUBST(OPENJDK_BUILD_CPU) 177204431Sraj AC_SUBST(OPENJDK_BUILD_CPU_ARCH) 178204431Sraj AC_SUBST(OPENJDK_BUILD_CPU_BITS) 179204431Sraj AC_SUBST(OPENJDK_BUILD_CPU_ENDIAN) 180204431Sraj 181204431Sraj AC_MSG_CHECKING([openjdk-build os-cpu]) 182204431Sraj AC_MSG_RESULT([$OPENJDK_BUILD_OS-$OPENJDK_BUILD_CPU]) 183204431Sraj 184204431Sraj # Convert the autoconf OS/CPU value to our own data, into the VAR_OS/CPU variables. 185204431Sraj PLATFORM_EXTRACT_VARS_FROM_OS($host_os) 186204431Sraj PLATFORM_EXTRACT_VARS_FROM_CPU($host_cpu) 187204431Sraj # ... and setup our own variables. (Do this explicitely to facilitate searching) 188204431Sraj OPENJDK_TARGET_OS="$VAR_OS" 189204431Sraj OPENJDK_TARGET_OS_API="$VAR_OS_API" 190204431Sraj OPENJDK_TARGET_OS_ENV="$VAR_OS_ENV" 191204431Sraj OPENJDK_TARGET_CPU="$VAR_CPU" 192204431Sraj OPENJDK_TARGET_CPU_ARCH="$VAR_CPU_ARCH" 193204431Sraj OPENJDK_TARGET_CPU_BITS="$VAR_CPU_BITS" 194204431Sraj OPENJDK_TARGET_CPU_ENDIAN="$VAR_CPU_ENDIAN" 195204431Sraj AC_SUBST(OPENJDK_TARGET_OS) 196204431Sraj AC_SUBST(OPENJDK_TARGET_OS_API) 197204431Sraj AC_SUBST(OPENJDK_TARGET_CPU) 198204431Sraj AC_SUBST(OPENJDK_TARGET_CPU_ARCH) 199204431Sraj AC_SUBST(OPENJDK_TARGET_CPU_BITS) 200204431Sraj AC_SUBST(OPENJDK_TARGET_CPU_ENDIAN) 201204431Sraj 202204431Sraj AC_MSG_CHECKING([openjdk-target os-cpu]) 203204431Sraj AC_MSG_RESULT([$OPENJDK_TARGET_OS-$OPENJDK_TARGET_CPU]) 204204431Sraj]) 205204431Sraj 206204431Sraj# Check if a reduced build (32-bit on 64-bit platforms) is requested, and modify behaviour 207204431Sraj# accordingly. Must be done after setting up build and target system, but before 208204431Sraj# doing anything else with these values. 209204431SrajAC_DEFUN([PLATFORM_SETUP_TARGET_CPU_BITS], 210204431Sraj[ 211204431Sraj AC_ARG_WITH(target-bits, [AS_HELP_STRING([--with-target-bits], 212204431Sraj [build 32-bit or 64-bit binaries (for platforms that support it), e.g. --with-target-bits=32 @<:@guessed@:>@])]) 213204431Sraj 214204431Sraj # We have three types of compiles: 215204431Sraj # native == normal compilation, target system == build system 216204431Sraj # cross == traditional cross compilation, target system != build system; special toolchain needed 217204431Sraj # reduced == using native compilers, but with special flags (e.g. -m32) to produce 32-bit builds on 64-bit machines 218204431Sraj # 219204431Sraj if test "x$OPENJDK_BUILD_AUTOCONF_NAME" != "x$OPENJDK_TARGET_AUTOCONF_NAME"; then 220204431Sraj # We're doing a proper cross-compilation 221204431Sraj COMPILE_TYPE="cross" 222204431Sraj else 223204431Sraj COMPILE_TYPE="native" 224204431Sraj fi 225204431Sraj 226204431Sraj if test "x$with_target_bits" != x; then 227204431Sraj if test "x$COMPILE_TYPE" = "xcross"; then 228204431Sraj AC_MSG_ERROR([It is not possible to combine --with-target-bits=X and proper cross-compilation. Choose either.]) 229204431Sraj fi 230204431Sraj 231204431Sraj if test "x$with_target_bits" = x32 && test "x$OPENJDK_TARGET_CPU_BITS" = x64; then 232204431Sraj # A reduced build is requested 233204431Sraj COMPILE_TYPE="reduced" 234204431Sraj OPENJDK_TARGET_CPU_BITS=32 235204431Sraj if test "x$OPENJDK_TARGET_CPU_ARCH" = "xx86"; then 236204431Sraj OPENJDK_TARGET_CPU=x86 237204431Sraj elif test "x$OPENJDK_TARGET_CPU_ARCH" = "xsparc"; then 238204431Sraj OPENJDK_TARGET_CPU=sparc 239204431Sraj else 240204431Sraj AC_MSG_ERROR([Reduced build (--with-target-bits=32) is only supported on x86_64 and sparcv9]) 241204431Sraj fi 242204431Sraj elif test "x$with_target_bits" = x64 && test "x$OPENJDK_TARGET_CPU_BITS" = x32; then 243204431Sraj AC_MSG_ERROR([It is not possible to use --with-target-bits=64 on a 32 bit system. Use proper cross-compilation instead.]) 244204431Sraj elif test "x$with_target_bits" = "x$OPENJDK_TARGET_CPU_BITS"; then 245204431Sraj AC_MSG_NOTICE([--with-target-bits are set to build platform address size; argument has no meaning]) 246204431Sraj else 247204431Sraj AC_MSG_ERROR([--with-target-bits can only be 32 or 64, you specified $with_target_bits!]) 248204431Sraj fi 249204431Sraj fi 250204431Sraj AC_SUBST(COMPILE_TYPE) 251204431Sraj 252204431Sraj AC_MSG_CHECKING([compilation type]) 253204431Sraj AC_MSG_RESULT([$COMPILE_TYPE]) 254204431Sraj]) 255204431Sraj 256204431Sraj# Setup the legacy variables, for controlling the old makefiles. 257204431Sraj# 258204431SrajAC_DEFUN([PLATFORM_SETUP_LEGACY_VARS], 259204431Sraj[ 260204431Sraj # Also store the legacy naming of the cpu. 261204431Sraj # Ie i586 and amd64 instead of x86 and x86_64 262204431Sraj OPENJDK_TARGET_CPU_LEGACY="$OPENJDK_TARGET_CPU" 263204431Sraj if test "x$OPENJDK_TARGET_CPU" = xx86; then 264204431Sraj OPENJDK_TARGET_CPU_LEGACY="i586" 265204431Sraj elif test "x$OPENJDK_TARGET_OS" != xmacosx && test "x$OPENJDK_TARGET_CPU" = xx86_64; then 266204431Sraj # On all platforms except MacOSX replace x86_64 with amd64. 267204431Sraj OPENJDK_TARGET_CPU_LEGACY="amd64" 268204431Sraj fi 269204431Sraj AC_SUBST(OPENJDK_TARGET_CPU_LEGACY) 270204431Sraj 271204431Sraj # And the second legacy naming of the cpu. 272204431Sraj # Ie i386 and amd64 instead of x86 and x86_64. 273204431Sraj OPENJDK_TARGET_CPU_LEGACY_LIB="$OPENJDK_TARGET_CPU" 274204431Sraj if test "x$OPENJDK_TARGET_CPU" = xx86; then 275204431Sraj OPENJDK_TARGET_CPU_LEGACY_LIB="i386" 276204431Sraj elif test "x$OPENJDK_TARGET_CPU" = xx86_64; then 277204431Sraj OPENJDK_TARGET_CPU_LEGACY_LIB="amd64" 278204431Sraj fi 279204431Sraj AC_SUBST(OPENJDK_TARGET_CPU_LEGACY_LIB) 280204431Sraj 281204431Sraj # This is the name of the cpu (but using i386 and amd64 instead of 282204431Sraj # x86 and x86_64, respectively), preceeded by a /, to be used when 283204431Sraj # locating libraries. On macosx, it's empty, though. 284204431Sraj OPENJDK_TARGET_CPU_LIBDIR="/$OPENJDK_TARGET_CPU_LEGACY_LIB" 285204431Sraj if test "x$OPENJDK_TARGET_OS" = xmacosx; then 286204431Sraj OPENJDK_TARGET_CPU_LIBDIR="" 287204431Sraj fi 288204431Sraj AC_SUBST(OPENJDK_TARGET_CPU_LIBDIR) 289204431Sraj 290204431Sraj # OPENJDK_TARGET_CPU_ISADIR is normally empty. On 64-bit Solaris systems, it is set to 291204431Sraj # /amd64 or /sparcv9. This string is appended to some library paths, like this: 292204431Sraj # /usr/lib${OPENJDK_TARGET_CPU_ISADIR}/libexample.so 293204431Sraj OPENJDK_TARGET_CPU_ISADIR="" 294204431Sraj if test "x$OPENJDK_TARGET_OS" = xsolaris; then 295204431Sraj if test "x$OPENJDK_TARGET_CPU" = xx86_64; then 296204431Sraj OPENJDK_TARGET_CPU_ISADIR="/amd64" 297204431Sraj elif test "x$OPENJDK_TARGET_CPU" = xsparcv9; then 298204431Sraj OPENJDK_TARGET_CPU_ISADIR="/sparcv9" 299204431Sraj fi 300204431Sraj fi 301204433Sraj AC_SUBST(OPENJDK_TARGET_CPU_ISADIR) 302204433Sraj 303204433Sraj # Setup OPENJDK_TARGET_CPU_OSARCH, which is used to set the os.arch Java system property 304204433Sraj OPENJDK_TARGET_CPU_OSARCH="$OPENJDK_TARGET_CPU" 305204433Sraj if test "x$OPENJDK_TARGET_OS" = xlinux && test "x$OPENJDK_TARGET_CPU" = xx86; then 306204433Sraj # On linux only, we replace x86 with i386. 307204433Sraj OPENJDK_TARGET_CPU_OSARCH="i386" 308204433Sraj elif test "x$OPENJDK_TARGET_OS" != xmacosx && test "x$OPENJDK_TARGET_CPU" = xx86_64; then 309204433Sraj # On all platforms except macosx, we replace x86_64 with amd64. 310204433Sraj OPENJDK_TARGET_CPU_OSARCH="amd64" 311204433Sraj fi 312204433Sraj AC_SUBST(OPENJDK_TARGET_CPU_OSARCH) 313204433Sraj 314204433Sraj OPENJDK_TARGET_CPU_JLI="$OPENJDK_TARGET_CPU" 315204433Sraj if test "x$OPENJDK_TARGET_CPU" = xx86; then 316204433Sraj OPENJDK_TARGET_CPU_JLI="i386" 317204433Sraj elif test "x$OPENJDK_TARGET_OS" != xmacosx && test "x$OPENJDK_TARGET_CPU" = xx86_64; then 318204433Sraj # On all platforms except macosx, we replace x86_64 with amd64. 319204431Sraj OPENJDK_TARGET_CPU_JLI="amd64" 320204431Sraj fi 321 # Now setup the -D flags for building libjli. 322 OPENJDK_TARGET_CPU_JLI_CFLAGS="-DLIBARCHNAME='\"$OPENJDK_TARGET_CPU_JLI\"'" 323 if test "x$OPENJDK_TARGET_OS" = xsolaris; then 324 if test "x$OPENJDK_TARGET_CPU_ARCH" = xsparc; then 325 OPENJDK_TARGET_CPU_JLI_CFLAGS="$OPENJDK_TARGET_CPU_JLI_CFLAGS -DLIBARCH32NAME='\"sparc\"' -DLIBARCH64NAME='\"sparcv9\"'" 326 elif test "x$OPENJDK_TARGET_CPU_ARCH" = xx86; then 327 OPENJDK_TARGET_CPU_JLI_CFLAGS="$OPENJDK_TARGET_CPU_JLI_CFLAGS -DLIBARCH32NAME='\"i386\"' -DLIBARCH64NAME='\"amd64\"'" 328 fi 329 fi 330 AC_SUBST(OPENJDK_TARGET_CPU_JLI_CFLAGS) 331 332 # Setup OPENJDK_TARGET_OS_API_DIR, used in source paths. 333 if test "x$OPENJDK_TARGET_OS_API" = xposix; then 334 OPENJDK_TARGET_OS_API_DIR="unix" 335 fi 336 if test "x$OPENJDK_TARGET_OS_API" = xwinapi; then 337 OPENJDK_TARGET_OS_API_DIR="windows" 338 fi 339 AC_SUBST(OPENJDK_TARGET_OS_API_DIR) 340 341 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 342 OPENJDK_TARGET_OS_EXPORT_DIR=macosx 343 else 344 OPENJDK_TARGET_OS_EXPORT_DIR=${OPENJDK_TARGET_OS_API_DIR} 345 fi 346 AC_SUBST(OPENJDK_TARGET_OS_EXPORT_DIR) 347 348 if test "x$OPENJDK_TARGET_CPU_BITS" = x64; then 349 A_LP64="LP64:=" 350 # -D_LP64=1 is only set on linux and mac. Setting on windows causes diff in 351 # unpack200.exe 352 if test "x$OPENJDK_TARGET_OS" = xlinux || test "x$OPENJDK_TARGET_OS" = xmacosx; then 353 ADD_LP64="-D_LP64=1" 354 fi 355 fi 356 AC_SUBST(LP64,$A_LP64) 357 358 if test "x$COMPILE_TYPE" = "xcross"; then 359 # FIXME: ... or should this include reduced builds..? 360 DEFINE_CROSS_COMPILE_ARCH="CROSS_COMPILE_ARCH:=$OPENJDK_TARGET_CPU_LEGACY" 361 else 362 DEFINE_CROSS_COMPILE_ARCH="" 363 fi 364 AC_SUBST(DEFINE_CROSS_COMPILE_ARCH) 365 366 # ZERO_ARCHDEF is used to enable architecture-specific code 367 case "${OPENJDK_TARGET_CPU}" in 368 ppc*) ZERO_ARCHDEF=PPC ;; 369 s390*) ZERO_ARCHDEF=S390 ;; 370 sparc*) ZERO_ARCHDEF=SPARC ;; 371 x86_64*) ZERO_ARCHDEF=AMD64 ;; 372 x86) ZERO_ARCHDEF=IA32 ;; 373 *) ZERO_ARCHDEF=$(echo "${OPENJDK_TARGET_CPU_LEGACY_LIB}" | tr a-z A-Z) 374 esac 375 AC_SUBST(ZERO_ARCHDEF) 376]) 377 378AC_DEFUN([PLATFORM_SET_RELEASE_FILE_OS_VALUES], 379[ 380 if test "x$OPENJDK_TARGET_OS" = "xsolaris"; then 381 REQUIRED_OS_NAME=SunOS 382 REQUIRED_OS_VERSION=5.10 383 fi 384 if test "x$OPENJDK_TARGET_OS" = "xlinux"; then 385 REQUIRED_OS_NAME=Linux 386 REQUIRED_OS_VERSION=2.6 387 fi 388 if test "x$OPENJDK_TARGET_OS" = "xwindows"; then 389 REQUIRED_OS_NAME=Windows 390 if test "x$OPENJDK_TARGET_CPU_BITS" = "x64"; then 391 REQUIRED_OS_VERSION=5.2 392 else 393 REQUIRED_OS_VERSION=5.1 394 fi 395 fi 396 if test "x$OPENJDK_TARGET_OS" = "xmacosx"; then 397 REQUIRED_OS_NAME=Darwin 398 REQUIRED_OS_VERSION=11.2 399 fi 400 401 AC_SUBST(REQUIRED_OS_NAME) 402 AC_SUBST(REQUIRED_OS_VERSION) 403]) 404 405#%%% Build and target systems %%% 406AC_DEFUN_ONCE([PLATFORM_SETUP_OPENJDK_BUILD_AND_TARGET], 407[ 408 # Figure out the build and target systems. # Note that in autoconf terminology, "build" is obvious, but "target" 409 # is confusing; it assumes you are cross-compiling a cross-compiler (!) and "target" is thus the target of the 410 # product you're building. The target of this build is called "host". Since this is confusing to most people, we 411 # have not adopted that system, but use "target" as the platform we are building for. In some places though we need 412 # to use the configure naming style. 413 AC_CANONICAL_BUILD 414 AC_CANONICAL_HOST 415 AC_CANONICAL_TARGET 416 417 PLATFORM_EXTRACT_TARGET_AND_BUILD 418 PLATFORM_SETUP_TARGET_CPU_BITS 419 PLATFORM_SET_RELEASE_FILE_OS_VALUES 420 PLATFORM_SETUP_LEGACY_VARS 421]) 422 423AC_DEFUN_ONCE([PLATFORM_SETUP_OPENJDK_BUILD_OS_VERSION], 424[ 425 ############################################################################### 426 427 # Note that this is the build platform OS version! 428 429 OS_VERSION="`uname -r | ${SED} 's!\.! !g' | ${SED} 's!-! !g'`" 430 OS_VERSION_MAJOR="`${ECHO} ${OS_VERSION} | ${CUT} -f 1 -d ' '`" 431 OS_VERSION_MINOR="`${ECHO} ${OS_VERSION} | ${CUT} -f 2 -d ' '`" 432 OS_VERSION_MICRO="`${ECHO} ${OS_VERSION} | ${CUT} -f 3 -d ' '`" 433 AC_SUBST(OS_VERSION_MAJOR) 434 AC_SUBST(OS_VERSION_MINOR) 435 AC_SUBST(OS_VERSION_MICRO) 436]) 437 438# Support macro for PLATFORM_SETUP_OPENJDK_TARGET_BITS. 439# Add -mX to various FLAGS variables. 440AC_DEFUN([PLATFORM_SET_COMPILER_TARGET_BITS_FLAGS], 441[ 442 # When we add flags to the "official" CFLAGS etc, we need to 443 # keep track of these additions in ADDED_CFLAGS etc. These 444 # will later be checked to make sure only controlled additions 445 # have been made to CFLAGS etc. 446 ADDED_CFLAGS=" ${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}" 447 ADDED_CXXFLAGS=" ${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}" 448 ADDED_LDFLAGS=" ${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}" 449 450 CFLAGS="${CFLAGS}${ADDED_CFLAGS}" 451 CXXFLAGS="${CXXFLAGS}${ADDED_CXXFLAGS}" 452 LDFLAGS="${LDFLAGS}${ADDED_LDFLAGS}" 453 454 CFLAGS_JDK="${CFLAGS_JDK}${ADDED_CFLAGS}" 455 CXXFLAGS_JDK="${CXXFLAGS_JDK}${ADDED_CXXFLAGS}" 456 LDFLAGS_JDK="${LDFLAGS_JDK}${ADDED_LDFLAGS}" 457]) 458 459AC_DEFUN_ONCE([PLATFORM_SETUP_OPENJDK_TARGET_BITS], 460[ 461 ############################################################################### 462 # 463 # Now we check if libjvm.so will use 32 or 64 bit pointers for the C/C++ code. 464 # (The JVM can use 32 or 64 bit Java pointers but that decision 465 # is made at runtime.) 466 # 467 468 if test "x$OPENJDK_TARGET_OS" = xsolaris || test "x$OPENJDK_TARGET_OS" = xaix; then 469 # Always specify -m flag on Solaris 470 # And -q on AIX because otherwise the compiler produces 32-bit objects by default 471 PLATFORM_SET_COMPILER_TARGET_BITS_FLAGS 472 elif test "x$COMPILE_TYPE" = xreduced; then 473 if test "x$OPENJDK_TARGET_OS" != xwindows; then 474 # Specify -m if running reduced on other Posix platforms 475 PLATFORM_SET_COMPILER_TARGET_BITS_FLAGS 476 fi 477 fi 478 479 # Make compilation sanity check 480 AC_CHECK_HEADERS([stdio.h], , [ 481 AC_MSG_NOTICE([Failed to compile stdio.h. This likely implies missing compile dependencies.]) 482 if test "x$COMPILE_TYPE" = xreduced; then 483 AC_MSG_NOTICE([You are doing a reduced build. Check that you have 32-bit libraries installed.]) 484 elif test "x$COMPILE_TYPE" = xcross; then 485 AC_MSG_NOTICE([You are doing a cross-compilation. Check that you have all target platform libraries installed.]) 486 fi 487 AC_MSG_ERROR([Cannot continue.]) 488 ]) 489 490 AC_CHECK_SIZEOF([int *], [1111]) 491 492 # AC_CHECK_SIZEOF defines 'ac_cv_sizeof_int_p' to hold the number of bytes used by an 'int*' 493 if test "x$ac_cv_sizeof_int_p" = x; then 494 # The test failed, lets stick to the assumed value. 495 AC_MSG_WARN([The number of bits in the target could not be determined, using $OPENJDK_TARGET_CPU_BITS.]) 496 else 497 TESTED_TARGET_CPU_BITS=`expr 8 \* $ac_cv_sizeof_int_p` 498 499 if test "x$TESTED_TARGET_CPU_BITS" != "x$OPENJDK_TARGET_CPU_BITS"; then 500 # This situation may happen on 64-bit platforms where the compiler by default only generates 32-bit objects 501 # Let's try to implicitely set the compilers target architecture and retry the test 502 AC_MSG_NOTICE([The tested number of bits in the target ($TESTED_TARGET_CPU_BITS) differs from the number of bits expected to be found in the target ($OPENJDK_TARGET_CPU_BITS).]) 503 AC_MSG_NOTICE([I'll retry after setting the platforms compiler target bits flag to ${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}]) 504 PLATFORM_SET_COMPILER_TARGET_BITS_FLAGS 505 506 # We have to unset 'ac_cv_sizeof_int_p' first, otherwise AC_CHECK_SIZEOF will use the previously cached value! 507 unset ac_cv_sizeof_int_p 508 # And we have to undef the definition of SIZEOF_INT_P in confdefs.h by the previous invocation of AC_CHECK_SIZEOF 509 cat >>confdefs.h <<_ACEOF 510#undef SIZEOF_INT_P 511_ACEOF 512 513 AC_CHECK_SIZEOF([int *], [1111]) 514 515 TESTED_TARGET_CPU_BITS=`expr 8 \* $ac_cv_sizeof_int_p` 516 517 if test "x$TESTED_TARGET_CPU_BITS" != "x$OPENJDK_TARGET_CPU_BITS"; then 518 AC_MSG_ERROR([The tested number of bits in the target ($TESTED_TARGET_CPU_BITS) differs from the number of bits expected to be found in the target ($OPENJDK_TARGET_CPU_BITS)]) 519 fi 520 fi 521 fi 522 523 AC_MSG_CHECKING([for target address size]) 524 AC_MSG_RESULT([$OPENJDK_TARGET_CPU_BITS bits]) 525]) 526 527AC_DEFUN_ONCE([PLATFORM_SETUP_OPENJDK_TARGET_ENDIANNESS], 528[ 529 ############################################################################### 530 # 531 # Is the target little of big endian? 532 # 533 AC_C_BIGENDIAN([ENDIAN="big"],[ENDIAN="little"],[ENDIAN="unknown"],[ENDIAN="universal_endianness"]) 534 535 if test "x$ENDIAN" = xuniversal_endianness; then 536 AC_MSG_ERROR([Building with both big and little endianness is not supported]) 537 fi 538 if test "x$ENDIAN" != "x$OPENJDK_TARGET_CPU_ENDIAN"; then 539 AC_MSG_ERROR([The tested endian in the target ($ENDIAN) differs from the endian expected to be found in the target ($OPENJDK_TARGET_CPU_ENDIAN)]) 540 fi 541]) 542