rev 656 : [mq]: zero-newbuild

   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.
  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)
  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.
  84 AC_DEFUN([PLATFORM_EXTRACT_VARS_FROM_OS],
  85 [
  86   case "$1" in
  87     *linux*)
  88       VAR_OS=linux
  89       VAR_OS_API=posix
  90       VAR_OS_ENV=linux
  91       ;;
  92     *solaris*)
  93       VAR_OS=solaris
  94       VAR_OS_API=posix
  95       VAR_OS_ENV=solaris
  96       ;;
  97     *darwin*)
  98       VAR_OS=macosx
  99       VAR_OS_API=posix
 100       VAR_OS_ENV=macosx
 101       ;;
 102     *bsd*)
 103       VAR_OS=bsd
 104       VAR_OS_API=posix
 105       VAR_OS_ENV=bsd
 106       ;;
 107     *cygwin*)
 108       VAR_OS=windows
 109       VAR_OS_API=winapi
 110       VAR_OS_ENV=windows.cygwin
 111       ;;
 112     *mingw*)
 113       VAR_OS=windows
 114       VAR_OS_API=winapi
 115       VAR_OS_ENV=windows.msys
 116       ;;
 117     *)
 118       AC_MSG_ERROR([unsupported operating system $1])
 119       ;;
 120   esac
 121 ])
 122 
 123 # Expects $host_os $host_cpu $build_os and $build_cpu
 124 # and $with_target_bits to have been setup!
 125 #
 126 # Translate the standard triplet(quadruplet) definition
 127 # of the target/build system into OPENJDK_TARGET_OS, OPENJDK_TARGET_CPU,
 128 # OPENJDK_BUILD_OS, etc.
 129 AC_DEFUN([PLATFORM_EXTRACT_TARGET_AND_BUILD],
 130 [
 131     # Copy the autoconf trip/quadruplet verbatim to OPENJDK_TARGET_AUTOCONF_NAME
 132     # (from the autoconf "host") and OPENJDK_BUILD_AUTOCONF_NAME
 133     # Note that we might later on rewrite e.g. OPENJDK_TARGET_CPU due to reduced build,
 134     # but this will not change the value of OPENJDK_TARGET_AUTOCONF_NAME.     
 135     OPENJDK_TARGET_AUTOCONF_NAME="$host"
 136     OPENJDK_BUILD_AUTOCONF_NAME="$build"
 137     AC_SUBST(OPENJDK_TARGET_AUTOCONF_NAME)
 138     AC_SUBST(OPENJDK_BUILD_AUTOCONF_NAME)
 139 
 140     # Convert the autoconf OS/CPU value to our own data, into the VAR_OS/CPU variables.
 141     PLATFORM_EXTRACT_VARS_FROM_OS($build_os)
 142     PLATFORM_EXTRACT_VARS_FROM_CPU($build_cpu)
 143     # ..and setup our own variables. (Do this explicitely to facilitate searching)
 144     OPENJDK_BUILD_OS="$VAR_OS"
 145     OPENJDK_BUILD_OS_API="$VAR_OS_API"
 146     OPENJDK_BUILD_OS_ENV="$VAR_OS_ENV"
 147     OPENJDK_BUILD_CPU="$VAR_CPU"
 148     OPENJDK_BUILD_CPU_ARCH="$VAR_CPU_ARCH"
 149     OPENJDK_BUILD_CPU_BITS="$VAR_CPU_BITS"
 150     OPENJDK_BUILD_CPU_ENDIAN="$VAR_CPU_ENDIAN"
 151     AC_SUBST(OPENJDK_BUILD_OS)
 152     AC_SUBST(OPENJDK_BUILD_OS_API)
 153     AC_SUBST(OPENJDK_BUILD_CPU)
 154     AC_SUBST(OPENJDK_BUILD_CPU_ARCH)
 155     AC_SUBST(OPENJDK_BUILD_CPU_BITS)
 156     AC_SUBST(OPENJDK_BUILD_CPU_ENDIAN)
 157 
 158     AC_MSG_CHECKING([openjdk-build os-cpu])
 159     AC_MSG_RESULT([$OPENJDK_BUILD_OS-$OPENJDK_BUILD_CPU])
 160 
 161     # Convert the autoconf OS/CPU value to our own data, into the VAR_OS/CPU variables.
 162     PLATFORM_EXTRACT_VARS_FROM_OS($host_os)
 163     PLATFORM_EXTRACT_VARS_FROM_CPU($host_cpu)
 164     # ... and setup our own variables. (Do this explicitely to facilitate searching)
 165     OPENJDK_TARGET_OS="$VAR_OS"
 166     OPENJDK_TARGET_OS_API="$VAR_OS_API"
 167     OPENJDK_TARGET_OS_ENV="$VAR_OS_ENV"
 168     OPENJDK_TARGET_CPU="$VAR_CPU"
 169     OPENJDK_TARGET_CPU_ARCH="$VAR_CPU_ARCH"
 170     OPENJDK_TARGET_CPU_BITS="$VAR_CPU_BITS"
 171     OPENJDK_TARGET_CPU_ENDIAN="$VAR_CPU_ENDIAN"
 172     AC_SUBST(OPENJDK_TARGET_OS)
 173     AC_SUBST(OPENJDK_TARGET_OS_API)
 174     AC_SUBST(OPENJDK_TARGET_CPU)
 175     AC_SUBST(OPENJDK_TARGET_CPU_ARCH)
 176     AC_SUBST(OPENJDK_TARGET_CPU_BITS)
 177     AC_SUBST(OPENJDK_TARGET_CPU_ENDIAN)
 178 
 179     AC_MSG_CHECKING([openjdk-target os-cpu])
 180     AC_MSG_RESULT([$OPENJDK_TARGET_OS-$OPENJDK_TARGET_CPU])
 181 ])
 182 
 183 # Check if a reduced build (32-bit on 64-bit platforms) is requested, and modify behaviour
 184 # accordingly. Must be done after setting up build and target system, but before
 185 # doing anything else with these values.
 186 AC_DEFUN([PLATFORM_SETUP_TARGET_CPU_BITS],
 187 [
 188   AC_ARG_WITH(target-bits, [AS_HELP_STRING([--with-target-bits],
 189      [build 32-bit or 64-bit binaries (for platforms that support it), e.g. --with-target-bits=32 @<:@guessed@:>@])])
 190 
 191   # We have three types of compiles:
 192   # native  == normal compilation, target system == build system
 193   # cross   == traditional cross compilation, target system != build system; special toolchain needed
 194   # reduced == using native compilers, but with special flags (e.g. -m32) to produce 32-bit builds on 64-bit machines
 195   #
 196   if test "x$OPENJDK_BUILD_AUTOCONF_NAME" != "x$OPENJDK_TARGET_AUTOCONF_NAME"; then
 197     # We're doing a proper cross-compilation
 198     COMPILE_TYPE="cross"
 199   else
 200     COMPILE_TYPE="native"
 201   fi
 202 
 203   if test "x$with_target_bits" != x; then
 204     if test "x$COMPILE_TYPE" = "xcross"; then
 205       AC_MSG_ERROR([It is not possible to combine --with-target-bits=X and proper cross-compilation. Choose either.])
 206     fi
 207 
 208     if test "x$with_target_bits" = x32 && test "x$OPENJDK_TARGET_CPU_BITS" = x64; then
 209       # A reduced build is requested
 210       COMPILE_TYPE="reduced"
 211       OPENJDK_TARGET_CPU_BITS=32
 212       if test "x$OPENJDK_TARGET_CPU_ARCH" = "xx86"; then
 213         OPENJDK_TARGET_CPU=x86
 214       elif test "x$OPENJDK_TARGET_CPU_ARCH" = "xsparc"; then
 215         OPENJDK_TARGET_CPU=sparc
 216       else
 217         AC_MSG_ERROR([Reduced build (--with-target-bits=32) is only supported on x86_64 and sparcv9])
 218       fi 
 219     elif test "x$with_target_bits" = x64 && test "x$OPENJDK_TARGET_CPU_BITS" = x32; then
 220       AC_MSG_ERROR([It is not possible to use --with-target-bits=64 on a 32 bit system. Use proper cross-compilation instead.])
 221     elif test "x$with_target_bits" = "x$OPENJDK_TARGET_CPU_BITS"; then
 222       AC_MSG_NOTICE([--with-target-bits are set to build platform address size; argument has no meaning])
 223     else
 224       AC_MSG_ERROR([--with-target-bits can only be 32 or 64, you specified $with_target_bits!])
 225     fi
 226   fi
 227   AC_SUBST(COMPILE_TYPE)
 228 
 229 AC_MSG_CHECKING([compilation type])
 230 AC_MSG_RESULT([$COMPILE_TYPE])
 231 ])
 232 
 233     # Setup the legacy variables, for controlling the old makefiles.
 234     #
 235 AC_DEFUN([PLATFORM_SETUP_LEGACY_VARS],
 236 [
 237     # Also store the legacy naming of the cpu.
 238     # Ie i586 and amd64 instead of x86 and x86_64
 239     OPENJDK_TARGET_CPU_LEGACY="$OPENJDK_TARGET_CPU"
 240     if test "x$OPENJDK_TARGET_CPU" = xx86; then 
 241       OPENJDK_TARGET_CPU_LEGACY="i586"
 242     elif test "x$OPENJDK_TARGET_OS" != xmacosx && test "x$OPENJDK_TARGET_CPU" = xx86_64; then 
 243       # On all platforms except MacOSX replace x86_64 with amd64.
 244       OPENJDK_TARGET_CPU_LEGACY="amd64"
 245     fi
 246     AC_SUBST(OPENJDK_TARGET_CPU_LEGACY)
 247 
 248     # And the second legacy naming of the cpu.
 249     # Ie i386 and amd64 instead of x86 and x86_64.
 250     OPENJDK_TARGET_CPU_LEGACY_LIB="$OPENJDK_TARGET_CPU"
 251     if test "x$OPENJDK_TARGET_CPU" = xx86; then 
 252       OPENJDK_TARGET_CPU_LEGACY_LIB="i386"
 253     elif test "x$OPENJDK_TARGET_CPU" = xx86_64; then 
 254       OPENJDK_TARGET_CPU_LEGACY_LIB="amd64"
 255     fi
 256     AC_SUBST(OPENJDK_TARGET_CPU_LEGACY_LIB)
 257 
 258     # This is the name of the cpu (but using i386 and amd64 instead of
 259     # x86 and x86_64, respectively), preceeded by a /, to be used when
 260     # locating libraries. On macosx, it's empty, though.
 261     OPENJDK_TARGET_CPU_LIBDIR="/$OPENJDK_TARGET_CPU_LEGACY_LIB"
 262     if test "x$OPENJDK_TARGET_OS" = xmacosx; then
 263         OPENJDK_TARGET_CPU_LIBDIR=""
 264     fi
 265     AC_SUBST(OPENJDK_TARGET_CPU_LIBDIR)
 266 
 267     # OPENJDK_TARGET_CPU_ISADIR is normally empty. On 64-bit Solaris systems, it is set to
 268     # /amd64 or /sparcv9. This string is appended to some library paths, like this:
 269     # /usr/lib${OPENJDK_TARGET_CPU_ISADIR}/libexample.so
 270     OPENJDK_TARGET_CPU_ISADIR=""
 271     if test "x$OPENJDK_TARGET_OS" = xsolaris; then
 272       if test "x$OPENJDK_TARGET_CPU" = xx86_64; then 
 273           OPENJDK_TARGET_CPU_ISADIR="/amd64"
 274       elif test "x$OPENJDK_TARGET_CPU" = xsparcv9; then 
 275           OPENJDK_TARGET_CPU_ISADIR="/sparcv9"
 276       fi
 277     fi
 278     AC_SUBST(OPENJDK_TARGET_CPU_ISADIR)
 279 
 280     # Setup OPENJDK_TARGET_CPU_OSARCH, which is used to set the os.arch Java system property
 281     OPENJDK_TARGET_CPU_OSARCH="$OPENJDK_TARGET_CPU"
 282     if test "x$OPENJDK_TARGET_OS" = xlinux && test "x$OPENJDK_TARGET_CPU" = xx86; then
 283       # On linux only, we replace x86 with i386.
 284       OPENJDK_TARGET_CPU_OSARCH="i386"
 285     elif test "x$OPENJDK_TARGET_OS" != xmacosx && test "x$OPENJDK_TARGET_CPU" = xx86_64; then
 286       # On all platforms except macosx, we replace x86_64 with amd64.
 287       OPENJDK_TARGET_CPU_OSARCH="amd64"
 288     fi
 289     AC_SUBST(OPENJDK_TARGET_CPU_OSARCH)
 290 
 291     OPENJDK_TARGET_CPU_JLI="$OPENJDK_TARGET_CPU"
 292     if test "x$OPENJDK_TARGET_CPU" = xx86; then 
 293       OPENJDK_TARGET_CPU_JLI="i386"
 294     elif test "x$OPENJDK_TARGET_OS" != xmacosx && test "x$OPENJDK_TARGET_CPU" = xx86_64; then
 295       # On all platforms except macosx, we replace x86_64 with amd64.
 296       OPENJDK_TARGET_CPU_JLI="amd64"
 297     fi
 298     # Now setup the -D flags for building libjli.
 299     OPENJDK_TARGET_CPU_JLI_CFLAGS="-DLIBARCHNAME='\"$OPENJDK_TARGET_CPU_JLI\"'"
 300     if test "x$OPENJDK_TARGET_OS" = xsolaris; then
 301       if test "x$OPENJDK_TARGET_CPU_ARCH" = xsparc; then
 302         OPENJDK_TARGET_CPU_JLI_CFLAGS="$OPENJDK_TARGET_CPU_JLI_CFLAGS -DLIBARCH32NAME='\"sparc\"' -DLIBARCH64NAME='\"sparcv9\"'"
 303       elif test "x$OPENJDK_TARGET_CPU_ARCH" = xx86; then 
 304         OPENJDK_TARGET_CPU_JLI_CFLAGS="$OPENJDK_TARGET_CPU_JLI_CFLAGS -DLIBARCH32NAME='\"i386\"' -DLIBARCH64NAME='\"amd64\"'"
 305       fi
 306     fi
 307     AC_SUBST(OPENJDK_TARGET_CPU_JLI_CFLAGS)
 308 
 309     # Setup OPENJDK_TARGET_OS_API_DIR, used in source paths.
 310     if test "x$OPENJDK_TARGET_OS_API" = xposix; then
 311         OPENJDK_TARGET_OS_API_DIR="solaris"
 312     fi
 313     if test "x$OPENJDK_TARGET_OS_API" = xwinapi; then
 314         OPENJDK_TARGET_OS_API_DIR="windows"
 315     fi
 316     AC_SUBST(OPENJDK_TARGET_OS_API_DIR)
 317 
 318     if test "x$OPENJDK_TARGET_CPU_BITS" = x64; then
 319         A_LP64="LP64:="
 320         # -D_LP64=1 is only set on linux and mac. Setting on windows causes diff in 
 321         # unpack200.exe
 322         if test "x$OPENJDK_TARGET_OS" = xlinux || test "x$OPENJDK_TARGET_OS" = xmacosx; then
 323             ADD_LP64="-D_LP64=1"
 324         fi
 325     fi
 326     AC_SUBST(LP64,$A_LP64)
 327 
 328     if test "x$COMPILE_TYPE" = "xcross"; then
 329       # FIXME: ... or should this include reduced builds..?
 330       DEFINE_CROSS_COMPILE_ARCH="CROSS_COMPILE_ARCH:=$OPENJDK_TARGET_CPU_LEGACY"
 331     else
 332       DEFINE_CROSS_COMPILE_ARCH=""
 333     fi
 334     AC_SUBST(DEFINE_CROSS_COMPILE_ARCH)
 335 
 336     # Some Zero and Shark settings.
 337     # ZERO_ARCHFLAG tells the compiler which mode to build for
 338     case "${OPENJDK_TARGET_CPU}" in
 339       s390)
 340         ZERO_ARCHFLAG="-m31"
 341         ;;
 342       *)
 343         ZERO_ARCHFLAG="-m${OPENJDK_TARGET_CPU_BITS}"
 344     esac
 345     AC_SUBST(ZERO_ARCHFLAG)
 346 
 347     # ZERO_ARCHDEF is used to enable architecture-specific code
 348     case "${OPENJDK_TARGET_CPU}" in
 349       ppc*)    ZERO_ARCHDEF=PPC   ;;
 350       s390*)   ZERO_ARCHDEF=S390  ;;
 351       sparc*)  ZERO_ARCHDEF=SPARC ;;
 352       x86_64*) ZERO_ARCHDEF=AMD64 ;;
 353       x86)     ZERO_ARCHDEF=IA32  ;;
 354       *)      ZERO_ARCHDEF=$(echo "${OPENJDK_TARGET_CPU_LEGACY_LIB}" | tr a-z A-Z)
 355     esac
 356     AC_SUBST(ZERO_ARCHDEF)
 357 
 358 ])
 359 
 360 AC_DEFUN([PLATFORM_SET_RELEASE_FILE_OS_VALUES],
 361 [
 362     if test "x$OPENJDK_TARGET_OS" = "xsolaris"; then
 363        REQUIRED_OS_NAME=SunOS
 364        REQUIRED_OS_VERSION=5.10
 365     fi
 366     if test "x$OPENJDK_TARGET_OS" = "xlinux"; then
 367        REQUIRED_OS_NAME=Linux
 368        REQUIRED_OS_VERSION=2.6
 369     fi
 370     if test "x$OPENJDK_TARGET_OS" = "xwindows"; then
 371         REQUIRED_OS_NAME=Windows
 372         if test "x$OPENJDK_TARGET_CPU_BITS" = "x64"; then
 373             REQUIRED_OS_VERSION=5.2
 374         else
 375             REQUIRED_OS_VERSION=5.1
 376         fi
 377     fi
 378     if test "x$OPENJDK_TARGET_OS" = "xmacosx"; then
 379         REQUIRED_OS_NAME=Darwin
 380         REQUIRED_OS_VERSION=11.2
 381     fi
 382 
 383     AC_SUBST(REQUIRED_OS_NAME)
 384     AC_SUBST(REQUIRED_OS_VERSION)
 385 ])
 386 
 387 #%%% Build and target systems %%%
 388 AC_DEFUN_ONCE([PLATFORM_SETUP_OPENJDK_BUILD_AND_TARGET],
 389 [
 390 # Figure out the build and target systems. # Note that in autoconf terminology, "build" is obvious, but "target"
 391 # is confusing; it assumes you are cross-compiling a cross-compiler (!)  and "target" is thus the target of the
 392 # product you're building. The target of this build is called "host". Since this is confusing to most people, we
 393 # have not adopted that system, but use "target" as the platform we are building for. In some places though we need
 394 # to use the configure naming style.
 395 AC_CANONICAL_BUILD
 396 AC_CANONICAL_HOST
 397 AC_CANONICAL_TARGET
 398 
 399 PLATFORM_EXTRACT_TARGET_AND_BUILD
 400 PLATFORM_SETUP_TARGET_CPU_BITS
 401 PLATFORM_SET_RELEASE_FILE_OS_VALUES
 402 PLATFORM_SETUP_LEGACY_VARS
 403 ])
 404 
 405 AC_DEFUN_ONCE([PLATFORM_SETUP_OPENJDK_BUILD_OS_VERSION],
 406 [
 407 ###############################################################################
 408 
 409 # Note that this is the build platform OS version!
 410 
 411 OS_VERSION="`uname -r | ${SED} 's!\.! !g' | ${SED} 's!-! !g'`"
 412 OS_VERSION_MAJOR="`${ECHO} ${OS_VERSION} | ${CUT} -f 1 -d ' '`"
 413 OS_VERSION_MINOR="`${ECHO} ${OS_VERSION} | ${CUT} -f 2 -d ' '`"
 414 OS_VERSION_MICRO="`${ECHO} ${OS_VERSION} | ${CUT} -f 3 -d ' '`"
 415 AC_SUBST(OS_VERSION_MAJOR)
 416 AC_SUBST(OS_VERSION_MINOR)
 417 AC_SUBST(OS_VERSION_MICRO)
 418 ])
 419 
 420 # Support macro for PLATFORM_SETUP_OPENJDK_TARGET_BITS.
 421 # Add -mX to various FLAGS variables.
 422 AC_DEFUN([PLATFORM_SET_COMPILER_TARGET_BITS_FLAGS],
 423 [
 424   # keep track of c/cxx flags that we added outselves...
 425   #   to prevent emitting warning...
 426   ADDED_CFLAGS=" -m${OPENJDK_TARGET_CPU_BITS}"
 427   ADDED_CXXFLAGS=" -m${OPENJDK_TARGET_CPU_BITS}"
 428   ADDED_LDFLAGS=" -m${OPENJDK_TARGET_CPU_BITS}"
 429 
 430   CFLAGS="${CFLAGS}${ADDED_CFLAGS}"
 431   CXXFLAGS="${CXXFLAGS}${ADDED_CXXFLAGS}"
 432   LDFLAGS="${LDFLAGS}${ADDED_LDFLAGS}"
 433 
 434   CFLAGS_JDK="${CFLAGS_JDK}${ADDED_CFLAGS}"
 435   CXXFLAGS_JDK="${CXXFLAGS_JDK}${ADDED_CXXFLAGS}"
 436   LDFLAGS_JDK="${LDFLAGS_JDK}${ADDED_LDFLAGS}"
 437 ])
 438 
 439 AC_DEFUN_ONCE([PLATFORM_SETUP_OPENJDK_TARGET_BITS],
 440 [
 441 ###############################################################################
 442 #
 443 # Now we check if libjvm.so will use 32 or 64 bit pointers for the C/C++ code.
 444 # (The JVM can use 32 or 64 bit Java pointers but that decision
 445 # is made at runtime.)
 446 #
 447 if test "x$OPENJDK_TARGET_OS" = xsolaris; then
 448   # Always specify -m flags on Solaris
 449   PLATFORM_SET_COMPILER_TARGET_BITS_FLAGS
 450 elif test "x$COMPILE_TYPE" = xreduced; then
 451   if test "x$OPENJDK_TARGET_OS" != xwindows; then
 452     # Specify -m if running reduced on other Posix platforms
 453     PLATFORM_SET_COMPILER_TARGET_BITS_FLAGS
 454   fi
 455 fi
 456 
 457 # Make compilation sanity check
 458 AC_CHECK_HEADERS([stdio.h], , [
 459   AC_MSG_NOTICE([Failed to compile stdio.h. This likely implies missing compile dependencies.])
 460   if test "x$COMPILE_TYPE" = xreduced; then
 461     AC_MSG_NOTICE([You are doing a reduced build. Check that you have 32-bit libraries installed.])
 462   elif test "x$COMPILE_TYPE" = xcross; then
 463     AC_MSG_NOTICE([You are doing a cross-compilation. Check that you have all target platform libraries installed.])
 464   fi
 465   AC_MSG_ERROR([Cannot continue.])
 466 ])
 467 
 468 AC_CHECK_SIZEOF([int *], [1111])
 469 
 470 if test "x$SIZEOF_INT_P" != "x$ac_cv_sizeof_int_p"; then
 471   # Workaround autoconf bug, see http://lists.gnu.org/archive/html/autoconf/2010-07/msg00004.html
 472   SIZEOF_INT_P="$ac_cv_sizeof_int_p"
 473 fi
 474 
 475 if test "x$SIZEOF_INT_P" = x; then 
 476     # The test failed, lets stick to the assumed value.
 477     AC_MSG_WARN([The number of bits in the target could not be determined, using $OPENJDK_TARGET_CPU_BITS.])
 478 else
 479     TESTED_TARGET_CPU_BITS=`expr 8 \* $SIZEOF_INT_P`
 480 
 481     if test "x$TESTED_TARGET_CPU_BITS" != "x$OPENJDK_TARGET_CPU_BITS"; then
 482         AC_MSG_ERROR([The tested number of bits in the target ($TESTED_TARGET_CPU_BITS) differs from the number of bits expected to be found in the target ($OPENJDK_TARGET_CPU_BITS)])
 483     fi
 484 fi
 485 
 486 AC_MSG_CHECKING([for target address size])
 487 AC_MSG_RESULT([$OPENJDK_TARGET_CPU_BITS bits])
 488 ])
 489 
 490 AC_DEFUN_ONCE([PLATFORM_SETUP_OPENJDK_TARGET_ENDIANNESS],
 491 [
 492 ###############################################################################
 493 #
 494 # Is the target little of big endian?
 495 #
 496 AC_C_BIGENDIAN([ENDIAN="big"],[ENDIAN="little"],[ENDIAN="unknown"],[ENDIAN="universal_endianness"])
 497 
 498 if test "x$ENDIAN" = xuniversal_endianness; then
 499     AC_MSG_ERROR([Building with both big and little endianness is not supported])
 500 fi
 501 if test "x$ENDIAN" != "x$OPENJDK_TARGET_CPU_ENDIAN"; then
 502     AC_MSG_ERROR([The tested endian in the target ($ENDIAN) differs from the endian expected to be found in the target ($OPENJDK_TARGET_CPU_ENDIAN)])
 503 fi
 504 ])
--- EOF ---