jdk8-mips64-public: common/autoconf/platform.m4@653ff6bcf0b1

8011388: Support building zero and zeroshark with the new build
Reviewed-by: andrew, dholmes, erikj
Contributed-by: Omair Majid <omajid@redhat.com>, Roman Kennke <rkennke@redhat.com>

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 #

    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 ])

    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 ])

   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)

   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)

   158     AC_MSG_CHECKING([openjdk-build os-cpu])

   159     AC_MSG_RESULT([$OPENJDK_BUILD_OS-$OPENJDK_BUILD_CPU])

   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)

   179     AC_MSG_CHECKING([openjdk-target os-cpu])

   180     AC_MSG_RESULT([$OPENJDK_TARGET_OS-$OPENJDK_TARGET_CPU])

   181 ])

   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@:>@])])

   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

   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

   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)

   229 AC_MSG_CHECKING([compilation type])

   230 AC_MSG_RESULT([$COMPILE_TYPE])

   231 ])

   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)

   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)

   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)

   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)

   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)

   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)

   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)

   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)

   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)

   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)

   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)

   358 ])

   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

   383     AC_SUBST(REQUIRED_OS_NAME)

   384     AC_SUBST(REQUIRED_OS_VERSION)

   385 ])

   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

   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 ])

   405 AC_DEFUN_ONCE([PLATFORM_SETUP_OPENJDK_BUILD_OS_VERSION],

   406 [

   407 ###############################################################################

   409 # Note that this is the build platform OS version!

   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 ])

   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}"

   430   CFLAGS="${CFLAGS}${ADDED_CFLAGS}"

   431   CXXFLAGS="${CXXFLAGS}${ADDED_CXXFLAGS}"

   432   LDFLAGS="${LDFLAGS}${ADDED_LDFLAGS}"

   434   CFLAGS_JDK="${CFLAGS_JDK}${ADDED_CFLAGS}"

   435   CXXFLAGS_JDK="${CXXFLAGS_JDK}${ADDED_CXXFLAGS}"

   436   LDFLAGS_JDK="${LDFLAGS_JDK}${ADDED_LDFLAGS}"

   437 ])

   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

   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 ])

   468 AC_CHECK_SIZEOF([int *], [1111])

   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

   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`

   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

   486 AC_MSG_CHECKING([for target address size])

   487 AC_MSG_RESULT([$OPENJDK_TARGET_CPU_BITS bits])

   488 ])

   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"])

   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 ])

Mercurial > jdk8-mips64-public / file revision

common/autoconf/platform.m4@653ff6bcf0b1

common/autoconf/platform.m4