1 #
   2 # Copyright (c) 2011, 2020, 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.
  29 AC_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*x32)
  34       VAR_CPU=x32
  35       VAR_CPU_ARCH=x86
  36       VAR_CPU_BITS=32
  37       VAR_CPU_ENDIAN=little
  38       ;;
  39     x86_64)
  40       VAR_CPU=x86_64
  41       VAR_CPU_ARCH=x86
  42       VAR_CPU_BITS=64
  43       VAR_CPU_ENDIAN=little
  44       ;;
  45     i?86)
  46       VAR_CPU=x86
  47       VAR_CPU_ARCH=x86
  48       VAR_CPU_BITS=32
  49       VAR_CPU_ENDIAN=little
  50       ;;
  51     alpha*)
  52       VAR_CPU=alpha
  53       VAR_CPU_ARCH=alpha
  54       VAR_CPU_BITS=64
  55       VAR_CPU_ENDIAN=little
  56       ;;
  57     arm*)
  58       VAR_CPU=arm
  59       VAR_CPU_ARCH=arm
  60       VAR_CPU_BITS=32
  61       VAR_CPU_ENDIAN=little
  62       ;;
  63     aarch64)
  64       VAR_CPU=aarch64
  65       VAR_CPU_ARCH=aarch64
  66       VAR_CPU_BITS=64
  67       VAR_CPU_ENDIAN=little
  68       ;;
  69     ia64)
  70       VAR_CPU=ia64
  71       VAR_CPU_ARCH=ia64
  72       VAR_CPU_BITS=64
  73       VAR_CPU_ENDIAN=little
  74       ;;
  75     m68k)
  76       VAR_CPU=m68k
  77       VAR_CPU_ARCH=m68k
  78       VAR_CPU_BITS=32
  79       VAR_CPU_ENDIAN=big
  80       ;;
  81     mips)
  82       VAR_CPU=mips
  83       VAR_CPU_ARCH=mips
  84       VAR_CPU_BITS=32
  85       VAR_CPU_ENDIAN=big
  86       ;;
  87     mipsel)
  88       VAR_CPU=mipsel
  89       VAR_CPU_ARCH=mipsel
  90       VAR_CPU_BITS=32
  91       VAR_CPU_ENDIAN=little
  92       ;;
  93     mips64)
  94       VAR_CPU=mips64
  95       VAR_CPU_ARCH=mips64
  96       VAR_CPU_BITS=64
  97       VAR_CPU_ENDIAN=big
  98       ;;
  99     mips64el)
 100       VAR_CPU=mips64el
 101       VAR_CPU_ARCH=mips64el
 102       VAR_CPU_BITS=64
 103       VAR_CPU_ENDIAN=little
 104       ;;
 105     powerpc)
 106       VAR_CPU=ppc
 107       VAR_CPU_ARCH=ppc
 108       VAR_CPU_BITS=32
 109       VAR_CPU_ENDIAN=big
 110       ;;
 111     powerpc64)
 112       VAR_CPU=ppc64
 113       VAR_CPU_ARCH=ppc
 114       VAR_CPU_BITS=64
 115       VAR_CPU_ENDIAN=big
 116       ;;
 117     powerpc64le)
 118       VAR_CPU=ppc64le
 119       VAR_CPU_ARCH=ppc
 120       VAR_CPU_BITS=64
 121       VAR_CPU_ENDIAN=little
 122       ;;
 123     riscv64)
 124       VAR_CPU=riscv64
 125       VAR_CPU_ARCH=riscv
 126       VAR_CPU_BITS=64
 127       VAR_CPU_ENDIAN=little
 128       ;;
 129     s390)
 130       VAR_CPU=s390
 131       VAR_CPU_ARCH=s390
 132       VAR_CPU_BITS=32
 133       VAR_CPU_ENDIAN=big
 134       ;;
 135     s390x)
 136       VAR_CPU=s390x
 137       VAR_CPU_ARCH=s390
 138       VAR_CPU_BITS=64
 139       VAR_CPU_ENDIAN=big
 140       ;;
 141     sh*eb)
 142       VAR_CPU=sh
 143       VAR_CPU_ARCH=sh
 144       VAR_CPU_BITS=32
 145       VAR_CPU_ENDIAN=big
 146       ;;
 147     sh*)
 148       VAR_CPU=sh
 149       VAR_CPU_ARCH=sh
 150       VAR_CPU_BITS=32
 151       VAR_CPU_ENDIAN=little
 152       ;;
 153     *)
 154       AC_MSG_ERROR([unsupported cpu $1])
 155       ;;
 156   esac
 157 ])
 158 
 159 # Support macro for PLATFORM_EXTRACT_TARGET_AND_BUILD.
 160 # Converts autoconf style OS name to OpenJDK style, into
 161 # VAR_OS, VAR_OS_TYPE and VAR_OS_ENV.
 162 AC_DEFUN([PLATFORM_EXTRACT_VARS_FROM_OS],
 163 [
 164   case "$1" in
 165     *linux*)
 166       VAR_OS=linux
 167       VAR_OS_TYPE=unix
 168       ;;
 169     *darwin*)
 170       VAR_OS=macosx
 171       VAR_OS_TYPE=unix
 172       ;;
 173     *bsd*)
 174       VAR_OS=bsd
 175       VAR_OS_TYPE=unix
 176       ;;
 177     *cygwin*)
 178       VAR_OS=windows
 179       VAR_OS_ENV=windows.cygwin
 180       ;;
 181     *wsl*)
 182       VAR_OS=windows
 183       VAR_OS_ENV=windows.wsl
 184       ;;
 185     *mingw*)
 186       VAR_OS=windows
 187       VAR_OS_ENV=windows.msys
 188       ;;
 189     *aix*)
 190       VAR_OS=aix
 191       VAR_OS_TYPE=unix
 192       ;;
 193     *)
 194       AC_MSG_ERROR([unsupported operating system $1])
 195       ;;
 196   esac
 197 ])
 198 
 199 # Expects $host_os $host_cpu $build_os and $build_cpu
 200 # and $with_target_bits to have been setup!
 201 #
 202 # Translate the standard triplet(quadruplet) definition
 203 # of the target/build system into OPENJDK_TARGET_OS, OPENJDK_TARGET_CPU,
 204 # OPENJDK_BUILD_OS, etc.
 205 AC_DEFUN([PLATFORM_EXTRACT_TARGET_AND_BUILD],
 206 [
 207   # Copy the autoconf trip/quadruplet verbatim to OPENJDK_TARGET_AUTOCONF_NAME
 208   # (from the autoconf "host") and OPENJDK_BUILD_AUTOCONF_NAME
 209   # Note that we might later on rewrite e.g. OPENJDK_TARGET_CPU due to reduced build,
 210   # but this will not change the value of OPENJDK_TARGET_AUTOCONF_NAME.
 211   OPENJDK_TARGET_AUTOCONF_NAME="$host"
 212   OPENJDK_BUILD_AUTOCONF_NAME="$build"
 213   AC_SUBST(OPENJDK_TARGET_AUTOCONF_NAME)
 214   AC_SUBST(OPENJDK_BUILD_AUTOCONF_NAME)
 215 
 216   # Convert the autoconf OS/CPU value to our own data, into the VAR_OS/CPU variables.
 217   PLATFORM_EXTRACT_VARS_FROM_OS($build_os)
 218   PLATFORM_EXTRACT_VARS_FROM_CPU($build_cpu)
 219   # ..and setup our own variables. (Do this explicitly to facilitate searching)
 220   OPENJDK_BUILD_OS="$VAR_OS"
 221   if test "x$VAR_OS_TYPE" != x; then
 222     OPENJDK_BUILD_OS_TYPE="$VAR_OS_TYPE"
 223   else
 224     OPENJDK_BUILD_OS_TYPE="$VAR_OS"
 225   fi
 226   if test "x$VAR_OS_ENV" != x; then
 227     OPENJDK_BUILD_OS_ENV="$VAR_OS_ENV"
 228   else
 229     OPENJDK_BUILD_OS_ENV="$VAR_OS"
 230   fi
 231   OPENJDK_BUILD_CPU="$VAR_CPU"
 232   OPENJDK_BUILD_CPU_ARCH="$VAR_CPU_ARCH"
 233   OPENJDK_BUILD_CPU_BITS="$VAR_CPU_BITS"
 234   OPENJDK_BUILD_CPU_ENDIAN="$VAR_CPU_ENDIAN"
 235   AC_SUBST(OPENJDK_BUILD_OS)
 236   AC_SUBST(OPENJDK_BUILD_OS_TYPE)
 237   AC_SUBST(OPENJDK_BUILD_OS_ENV)
 238   AC_SUBST(OPENJDK_BUILD_CPU)
 239   AC_SUBST(OPENJDK_BUILD_CPU_ARCH)
 240   AC_SUBST(OPENJDK_BUILD_CPU_BITS)
 241   AC_SUBST(OPENJDK_BUILD_CPU_ENDIAN)
 242 
 243   AC_MSG_CHECKING([openjdk-build os-cpu])
 244   AC_MSG_RESULT([$OPENJDK_BUILD_OS-$OPENJDK_BUILD_CPU])
 245 
 246   # Convert the autoconf OS/CPU value to our own data, into the VAR_OS/CPU variables.
 247   PLATFORM_EXTRACT_VARS_FROM_OS($host_os)
 248   PLATFORM_EXTRACT_VARS_FROM_CPU($host_cpu)
 249   # ... and setup our own variables. (Do this explicitly to facilitate searching)
 250   OPENJDK_TARGET_OS="$VAR_OS"
 251   if test "x$VAR_OS_TYPE" != x; then
 252     OPENJDK_TARGET_OS_TYPE="$VAR_OS_TYPE"
 253   else
 254     OPENJDK_TARGET_OS_TYPE="$VAR_OS"
 255   fi
 256   if test "x$VAR_OS_ENV" != x; then
 257     OPENJDK_TARGET_OS_ENV="$VAR_OS_ENV"
 258   else
 259     OPENJDK_TARGET_OS_ENV="$VAR_OS"
 260   fi
 261   OPENJDK_TARGET_CPU="$VAR_CPU"
 262   OPENJDK_TARGET_CPU_ARCH="$VAR_CPU_ARCH"
 263   OPENJDK_TARGET_CPU_BITS="$VAR_CPU_BITS"
 264   OPENJDK_TARGET_CPU_ENDIAN="$VAR_CPU_ENDIAN"
 265   OPENJDK_TARGET_OS_UPPERCASE=`$ECHO $OPENJDK_TARGET_OS | $TR 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
 266 
 267   AC_SUBST(OPENJDK_TARGET_OS)
 268   AC_SUBST(OPENJDK_TARGET_OS_TYPE)
 269   AC_SUBST(OPENJDK_TARGET_OS_ENV)
 270   AC_SUBST(OPENJDK_TARGET_OS_UPPERCASE)
 271   AC_SUBST(OPENJDK_TARGET_CPU)
 272   AC_SUBST(OPENJDK_TARGET_CPU_ARCH)
 273   AC_SUBST(OPENJDK_TARGET_CPU_BITS)
 274   AC_SUBST(OPENJDK_TARGET_CPU_ENDIAN)
 275 
 276   AC_MSG_CHECKING([openjdk-target os-cpu])
 277   AC_MSG_RESULT([$OPENJDK_TARGET_OS-$OPENJDK_TARGET_CPU])
 278 ])
 279 
 280 # Check if a reduced build (32-bit on 64-bit platforms) is requested, and modify behaviour
 281 # accordingly. Must be done after setting up build and target system, but before
 282 # doing anything else with these values.
 283 AC_DEFUN([PLATFORM_SETUP_TARGET_CPU_BITS],
 284 [
 285   AC_ARG_WITH(target-bits, [AS_HELP_STRING([--with-target-bits],
 286        [build 32-bit or 64-bit binaries (for platforms that support it), e.g. --with-target-bits=32 @<:@guessed@:>@])])
 287 
 288   # We have three types of compiles:
 289   # native  == normal compilation, target system == build system
 290   # cross   == traditional cross compilation, target system != build system; special toolchain needed
 291   # reduced == using native compilers, but with special flags (e.g. -m32) to produce 32-bit builds on 64-bit machines
 292   #
 293   if test "x$OPENJDK_BUILD_AUTOCONF_NAME" != "x$OPENJDK_TARGET_AUTOCONF_NAME"; then
 294     # We're doing a proper cross-compilation
 295     COMPILE_TYPE="cross"
 296   else
 297     COMPILE_TYPE="native"
 298   fi
 299 
 300   if test "x$with_target_bits" != x; then
 301     if test "x$COMPILE_TYPE" = "xcross"; then
 302       AC_MSG_ERROR([It is not possible to combine --with-target-bits=X and proper cross-compilation. Choose either.])
 303     fi
 304 
 305     if test "x$with_target_bits" = x32 && test "x$OPENJDK_TARGET_CPU_BITS" = x64; then
 306       # A reduced build is requested
 307       COMPILE_TYPE="reduced"
 308       OPENJDK_TARGET_CPU_BITS=32
 309       if test "x$OPENJDK_TARGET_CPU_ARCH" = "xx86"; then
 310         OPENJDK_TARGET_CPU=x86
 311       else
 312         AC_MSG_ERROR([Reduced build (--with-target-bits=32) is only supported on x86_64])
 313       fi
 314     elif test "x$with_target_bits" = x64 && test "x$OPENJDK_TARGET_CPU_BITS" = x32; then
 315       AC_MSG_ERROR([It is not possible to use --with-target-bits=64 on a 32 bit system. Use proper cross-compilation instead.])
 316     elif test "x$with_target_bits" = "x$OPENJDK_TARGET_CPU_BITS"; then
 317       AC_MSG_NOTICE([--with-target-bits are set to build platform address size; argument has no meaning])
 318     else
 319       AC_MSG_ERROR([--with-target-bits can only be 32 or 64, you specified $with_target_bits!])
 320     fi
 321   fi
 322   AC_SUBST(COMPILE_TYPE)
 323 
 324   AC_MSG_CHECKING([compilation type])
 325   AC_MSG_RESULT([$COMPILE_TYPE])
 326 ])
 327 
 328 # Setup the legacy variables, for controlling the old makefiles.
 329 #
 330 AC_DEFUN([PLATFORM_SETUP_LEGACY_VARS],
 331 [
 332   PLATFORM_SETUP_LEGACY_VARS_HELPER([TARGET])
 333   PLATFORM_SETUP_LEGACY_VARS_HELPER([BUILD])
 334 ])
 335 
 336 # $1 - Either TARGET or BUILD to setup the variables for.
 337 AC_DEFUN([PLATFORM_SETUP_LEGACY_VARS_HELPER],
 338 [
 339   # Also store the legacy naming of the cpu.
 340   # Ie i586 and amd64 instead of x86 and x86_64
 341   OPENJDK_$1_CPU_LEGACY="$OPENJDK_$1_CPU"
 342   if test "x$OPENJDK_$1_CPU" = xx86; then
 343     OPENJDK_$1_CPU_LEGACY="i586"
 344   elif test "x$OPENJDK_$1_OS" != xmacosx && test "x$OPENJDK_$1_CPU" = xx86_64; then
 345     # On all platforms except MacOSX replace x86_64 with amd64.
 346     OPENJDK_$1_CPU_LEGACY="amd64"
 347   elif test "x$OPENJDK_$1_CPU" = xalpha; then
 348     # Avoid name collisions with variables named alpha
 349     OPENJDK_$1_CPU_LEGACY="_alpha_"
 350   elif test "x$OPENJDK_$1_CPU" = xsh; then
 351     # Avoid name collisions with variables named sh
 352     OPENJDK_$1_CPU_LEGACY="_sh_"
 353   fi
 354   AC_SUBST(OPENJDK_$1_CPU_LEGACY)
 355 
 356   # And the second legacy naming of the cpu.
 357   # Ie i386 and amd64 instead of x86 and x86_64.
 358   OPENJDK_$1_CPU_LEGACY_LIB="$OPENJDK_$1_CPU"
 359   if test "x$OPENJDK_$1_CPU" = xx86; then
 360     OPENJDK_$1_CPU_LEGACY_LIB="i386"
 361   elif test "x$OPENJDK_$1_CPU" = xx86_64; then
 362     OPENJDK_$1_CPU_LEGACY_LIB="amd64"
 363   fi
 364   AC_SUBST(OPENJDK_$1_CPU_LEGACY_LIB)
 365 
 366   # Setup OPENJDK_$1_CPU_OSARCH, which is used to set the os.arch Java system property
 367   OPENJDK_$1_CPU_OSARCH="$OPENJDK_$1_CPU"
 368   if test "x$OPENJDK_$1_OS" = xlinux && test "x$OPENJDK_$1_CPU" = xx86; then
 369     # On linux only, we replace x86 with i386.
 370     OPENJDK_$1_CPU_OSARCH="i386"
 371   elif test "x$OPENJDK_$1_OS" != xmacosx && test "x$OPENJDK_$1_CPU" = xx86_64; then
 372     # On all platforms except macosx, we replace x86_64 with amd64.
 373     OPENJDK_$1_CPU_OSARCH="amd64"
 374   fi
 375   AC_SUBST(OPENJDK_$1_CPU_OSARCH)
 376 
 377   OPENJDK_$1_CPU_JLI="$OPENJDK_$1_CPU"
 378   if test "x$OPENJDK_$1_CPU" = xx86; then
 379     OPENJDK_$1_CPU_JLI="i386"
 380   elif test "x$OPENJDK_$1_OS" != xmacosx && test "x$OPENJDK_$1_CPU" = xx86_64; then
 381     # On all platforms except macosx, we replace x86_64 with amd64.
 382     OPENJDK_$1_CPU_JLI="amd64"
 383   fi
 384 
 385   # The new version string in JDK 9 also defined new naming of OS and ARCH for bundles
 386   # Macosx is osx and x86_64 is x64
 387   if test "x$OPENJDK_$1_OS" = xmacosx; then
 388     OPENJDK_$1_OS_BUNDLE="osx"
 389   else
 390     OPENJDK_$1_OS_BUNDLE="$OPENJDK_TARGET_OS"
 391   fi
 392   if test "x$OPENJDK_$1_CPU" = xx86_64; then
 393     OPENJDK_$1_CPU_BUNDLE="x64"
 394   else
 395     OPENJDK_$1_CPU_BUNDLE="$OPENJDK_$1_CPU"
 396   fi
 397   OPENJDK_$1_BUNDLE_PLATFORM="${OPENJDK_$1_OS_BUNDLE}-${OPENJDK_$1_CPU_BUNDLE}"
 398   AC_SUBST(OPENJDK_$1_BUNDLE_PLATFORM)
 399 
 400   if test "x$COMPILE_TYPE" = "xcross"; then
 401     # FIXME: ... or should this include reduced builds..?
 402     DEFINE_CROSS_COMPILE_ARCH="CROSS_COMPILE_ARCH:=$OPENJDK_$1_CPU_LEGACY"
 403   else
 404     DEFINE_CROSS_COMPILE_ARCH=""
 405   fi
 406   AC_SUBST(DEFINE_CROSS_COMPILE_ARCH)
 407 
 408   # Convert openjdk platform names to hotspot names
 409 
 410   HOTSPOT_$1_OS=${OPENJDK_$1_OS}
 411   if test "x$OPENJDK_$1_OS" = xmacosx; then
 412     HOTSPOT_$1_OS=bsd
 413   fi
 414   AC_SUBST(HOTSPOT_$1_OS)
 415 
 416   HOTSPOT_$1_OS_TYPE=${OPENJDK_$1_OS_TYPE}
 417   if test "x$OPENJDK_$1_OS_TYPE" = xunix; then
 418     HOTSPOT_$1_OS_TYPE=posix
 419   fi
 420   AC_SUBST(HOTSPOT_$1_OS_TYPE)
 421 
 422   HOTSPOT_$1_CPU=${OPENJDK_$1_CPU}
 423   if test "x$OPENJDK_$1_CPU" = xx86; then
 424     HOTSPOT_$1_CPU=x86_32
 425   elif test "x$OPENJDK_$1_CPU" = xppc64; then
 426     HOTSPOT_$1_CPU=ppc_64
 427   elif test "x$OPENJDK_$1_CPU" = xppc64le; then
 428     HOTSPOT_$1_CPU=ppc_64
 429   fi
 430   AC_SUBST(HOTSPOT_$1_CPU)
 431 
 432   # This is identical with OPENJDK_*, but define anyway for consistency.
 433   HOTSPOT_$1_CPU_ARCH=${OPENJDK_$1_CPU_ARCH}
 434   AC_SUBST(HOTSPOT_$1_CPU_ARCH)
 435 
 436   # Setup HOTSPOT_$1_CPU_DEFINE
 437   if test "x$OPENJDK_$1_CPU" = xx86; then
 438     HOTSPOT_$1_CPU_DEFINE=IA32
 439   elif test "x$OPENJDK_$1_CPU" = xx86_64; then
 440     HOTSPOT_$1_CPU_DEFINE=AMD64
 441   elif test "x$OPENJDK_$1_CPU" = xx32; then
 442     HOTSPOT_$1_CPU_DEFINE=X32
 443   elif test "x$OPENJDK_$1_CPU" = xaarch64; then
 444     HOTSPOT_$1_CPU_DEFINE=AARCH64
 445   elif test "x$OPENJDK_$1_CPU" = xppc64; then
 446     HOTSPOT_$1_CPU_DEFINE=PPC64
 447   elif test "x$OPENJDK_$1_CPU" = xppc64le; then
 448     HOTSPOT_$1_CPU_DEFINE=PPC64
 449 
 450   # The cpu defines below are for zero, we don't support them directly.
 451   elif test "x$OPENJDK_$1_CPU" = xppc; then
 452     HOTSPOT_$1_CPU_DEFINE=PPC32
 453   elif test "x$OPENJDK_$1_CPU" = xs390; then
 454     HOTSPOT_$1_CPU_DEFINE=S390
 455   elif test "x$OPENJDK_$1_CPU" = xs390x; then
 456     HOTSPOT_$1_CPU_DEFINE=S390
 457   elif test "x$OPENJDK_$1_CPU" = xriscv64; then
 458     HOTSPOT_$1_CPU_DEFINE=RISCV
 459   elif test "x$OPENJDK_$1_CPU" != x; then
 460     HOTSPOT_$1_CPU_DEFINE=$(echo $OPENJDK_$1_CPU | tr a-z A-Z)
 461   fi
 462   AC_SUBST(HOTSPOT_$1_CPU_DEFINE)
 463 
 464   # For historical reasons, the OS include directories have odd names.
 465   OPENJDK_$1_OS_INCLUDE_SUBDIR="$OPENJDK_TARGET_OS"
 466   if test "x$OPENJDK_TARGET_OS" = "xwindows"; then
 467     OPENJDK_$1_OS_INCLUDE_SUBDIR="win32"
 468   elif test "x$OPENJDK_TARGET_OS" = "xmacosx"; then
 469     OPENJDK_$1_OS_INCLUDE_SUBDIR="darwin"
 470   fi
 471   AC_SUBST(OPENJDK_$1_OS_INCLUDE_SUBDIR)
 472 ])
 473 
 474 AC_DEFUN([PLATFORM_SET_RELEASE_FILE_OS_VALUES],
 475 [
 476   if test "x$OPENJDK_TARGET_OS" = "xlinux"; then
 477     RELEASE_FILE_OS_NAME=Linux
 478   fi
 479   if test "x$OPENJDK_TARGET_OS" = "xwindows"; then
 480     RELEASE_FILE_OS_NAME=Windows
 481   fi
 482   if test "x$OPENJDK_TARGET_OS" = xmacosx; then
 483     RELEASE_FILE_OS_NAME="Darwin"
 484   fi
 485   if test "x$OPENJDK_TARGET_OS" = "xaix"; then
 486     RELEASE_FILE_OS_NAME="AIX"
 487   fi
 488   RELEASE_FILE_OS_ARCH=${OPENJDK_TARGET_CPU}
 489 
 490   AC_SUBST(RELEASE_FILE_OS_NAME)
 491   AC_SUBST(RELEASE_FILE_OS_ARCH)
 492 ])
 493 
 494 AC_DEFUN([PLATFORM_SET_MODULE_TARGET_OS_VALUES],
 495 [
 496   if test "x$OPENJDK_TARGET_OS" = xmacosx; then
 497     OPENJDK_MODULE_TARGET_OS_NAME="macos"
 498   else
 499     OPENJDK_MODULE_TARGET_OS_NAME="$OPENJDK_TARGET_OS"
 500   fi
 501 
 502   if test "x$OPENJDK_TARGET_CPU" = xx86_64; then
 503     OPENJDK_MODULE_TARGET_OS_ARCH="amd64"
 504   else
 505     OPENJDK_MODULE_TARGET_OS_ARCH="$OPENJDK_TARGET_CPU"
 506   fi
 507 
 508   OPENJDK_MODULE_TARGET_PLATFORM="${OPENJDK_MODULE_TARGET_OS_NAME}-${OPENJDK_MODULE_TARGET_OS_ARCH}"
 509   AC_SUBST(OPENJDK_MODULE_TARGET_PLATFORM)
 510 ])
 511 
 512 #%%% Build and target systems %%%
 513 AC_DEFUN_ONCE([PLATFORM_SETUP_OPENJDK_BUILD_AND_TARGET],
 514 [
 515   # Figure out the build and target systems. # Note that in autoconf terminology, "build" is obvious, but "target"
 516   # is confusing; it assumes you are cross-compiling a cross-compiler (!)  and "target" is thus the target of the
 517   # product you're building. The target of this build is called "host". Since this is confusing to most people, we
 518   # have not adopted that system, but use "target" as the platform we are building for. In some places though we need
 519   # to use the configure naming style.
 520   AC_CANONICAL_BUILD
 521   AC_CANONICAL_HOST
 522   AC_CANONICAL_TARGET
 523 
 524   PLATFORM_EXTRACT_TARGET_AND_BUILD
 525   PLATFORM_SETUP_TARGET_CPU_BITS
 526   PLATFORM_SET_MODULE_TARGET_OS_VALUES
 527   PLATFORM_SET_RELEASE_FILE_OS_VALUES
 528   PLATFORM_SETUP_LEGACY_VARS
 529 ])
 530 
 531 AC_DEFUN_ONCE([PLATFORM_SETUP_OPENJDK_BUILD_OS_VERSION],
 532 [
 533   ###############################################################################
 534 
 535   # Note that this is the build platform OS version!
 536 
 537   OS_VERSION="`uname -r | ${SED} 's!\.! !g' | ${SED} 's!-! !g'`"
 538   OS_VERSION_MAJOR="`${ECHO} ${OS_VERSION} | ${CUT} -f 1 -d ' '`"
 539   OS_VERSION_MINOR="`${ECHO} ${OS_VERSION} | ${CUT} -f 2 -d ' '`"
 540   OS_VERSION_MICRO="`${ECHO} ${OS_VERSION} | ${CUT} -f 3 -d ' '`"
 541   AC_SUBST(OS_VERSION_MAJOR)
 542   AC_SUBST(OS_VERSION_MINOR)
 543   AC_SUBST(OS_VERSION_MICRO)
 544 ])
 545 
 546 AC_DEFUN_ONCE([PLATFORM_SETUP_OPENJDK_TARGET_BITS],
 547 [
 548   ###############################################################################
 549   #
 550   # Now we check if libjvm.so will use 32 or 64 bit pointers for the C/C++ code.
 551   # (The JVM can use 32 or 64 bit Java pointers but that decision
 552   # is made at runtime.)
 553   #
 554 
 555   # Make compilation sanity check
 556   AC_CHECK_HEADERS([stdio.h], , [
 557     AC_MSG_NOTICE([Failed to compile stdio.h. This likely implies missing compile dependencies.])
 558     if test "x$COMPILE_TYPE" = xreduced; then
 559       HELP_MSG_MISSING_DEPENDENCY([reduced])
 560       AC_MSG_NOTICE([You are doing a reduced build. Check that you have 32-bit libraries installed. $HELP_MSG])
 561     elif test "x$COMPILE_TYPE" = xcross; then
 562       AC_MSG_NOTICE([You are doing a cross-compilation. Check that you have all target platform libraries installed.])
 563     fi
 564     AC_MSG_ERROR([Cannot continue.])
 565   ])
 566 
 567   AC_CHECK_SIZEOF([int *], [1111])
 568 
 569   # AC_CHECK_SIZEOF defines 'ac_cv_sizeof_int_p' to hold the number of bytes used by an 'int*'
 570   if test "x$ac_cv_sizeof_int_p" = x; then
 571     # The test failed, lets stick to the assumed value.
 572     AC_MSG_WARN([The number of bits in the target could not be determined, using $OPENJDK_TARGET_CPU_BITS.])
 573   else
 574     TESTED_TARGET_CPU_BITS=`expr 8 \* $ac_cv_sizeof_int_p`
 575 
 576     if test "x$TESTED_TARGET_CPU_BITS" != "x$OPENJDK_TARGET_CPU_BITS"; then
 577       AC_MSG_NOTICE([The tested number of bits in the target ($TESTED_TARGET_CPU_BITS) differs from the number of bits expected to be found in the target ($OPENJDK_TARGET_CPU_BITS)])
 578       if test "x$COMPILE_TYPE" = xreduced; then
 579         HELP_MSG_MISSING_DEPENDENCY([reduced])
 580         AC_MSG_NOTICE([You are doing a reduced build. Check that you have 32-bit libraries installed. $HELP_MSG])
 581       elif test "x$COMPILE_TYPE" = xcross; then
 582         AC_MSG_NOTICE([You are doing a cross-compilation. Check that you have all target platform libraries installed.])
 583       fi
 584       AC_MSG_ERROR([Cannot continue.])
 585     fi
 586   fi
 587 
 588   AC_MSG_CHECKING([for target address size])
 589   AC_MSG_RESULT([$OPENJDK_TARGET_CPU_BITS bits])
 590 ])
 591 
 592 AC_DEFUN_ONCE([PLATFORM_SETUP_OPENJDK_TARGET_ENDIANNESS],
 593 [
 594   ###############################################################################
 595   #
 596   # Is the target little of big endian?
 597   #
 598   AC_C_BIGENDIAN([ENDIAN="big"],[ENDIAN="little"],[ENDIAN="unknown"],[ENDIAN="universal_endianness"])
 599 
 600   if test "x$ENDIAN" = xuniversal_endianness; then
 601     AC_MSG_ERROR([Building with both big and little endianness is not supported])
 602   fi
 603   if test "x$ENDIAN" != "x$OPENJDK_TARGET_CPU_ENDIAN"; then
 604     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)])
 605   fi
 606 ])