jdk8-mips64-public: common/autoconf/platform.m4@50aaf272884f

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     powerpc64le)

    64       VAR_CPU=ppc64

    65       VAR_CPU_ARCH=ppc

    66       VAR_CPU_BITS=64

    67       VAR_CPU_ENDIAN=little

    68       ;;

    69     s390)

    70       VAR_CPU=s390

    71       VAR_CPU_ARCH=s390

    72       VAR_CPU_BITS=32

    73       VAR_CPU_ENDIAN=big

    74       ;;

    75     s390x)

    76       VAR_CPU=s390x

    77       VAR_CPU_ARCH=s390

    78       VAR_CPU_BITS=64

    79       VAR_CPU_ENDIAN=big

    80       ;;

    81     sparc)

    82       VAR_CPU=sparc

    83       VAR_CPU_ARCH=sparc

    84       VAR_CPU_BITS=32

    85       VAR_CPU_ENDIAN=big

    86       ;;

    87     sparcv9)

    88       VAR_CPU=sparcv9

    89       VAR_CPU_ARCH=sparc

    90       VAR_CPU_BITS=64

    91       VAR_CPU_ENDIAN=big

    92       ;;

    93     *)

    94       AC_MSG_ERROR([unsupported cpu $1])

    95       ;;

    96   esac

    97 ])

    99 # Support macro for PLATFORM_EXTRACT_TARGET_AND_BUILD.

   100 # Converts autoconf style OS name to OpenJDK style, into

   101 # VAR_OS and VAR_OS_API.

   102 AC_DEFUN([PLATFORM_EXTRACT_VARS_FROM_OS],

   103 [

   104   case "$1" in

   105     *linux*)

   106       VAR_OS=linux

   107       VAR_OS_API=posix

   108       VAR_OS_ENV=linux

   109       ;;

   110     *solaris*)

   111       VAR_OS=solaris

   112       VAR_OS_API=posix

   113       VAR_OS_ENV=solaris

   114       ;;

   115     *darwin*)

   116       VAR_OS=macosx

   117       VAR_OS_API=posix

   118       VAR_OS_ENV=macosx

   119       ;;

   120     *bsd*)

   121       VAR_OS=bsd

   122       VAR_OS_API=posix

   123       VAR_OS_ENV=bsd

   124       ;;

   125     *cygwin*)

   126       VAR_OS=windows

   127       VAR_OS_API=winapi

   128       VAR_OS_ENV=windows.cygwin

   129       ;;

   130     *mingw*)

   131       VAR_OS=windows

   132       VAR_OS_API=winapi

   133       VAR_OS_ENV=windows.msys

   134       ;;

   135     *aix*)

   136       VAR_OS=aix

   137       VAR_OS_API=posix

   138       VAR_OS_ENV=aix

   139       ;;

   140     *)

   141       AC_MSG_ERROR([unsupported operating system $1])

   142       ;;

   143   esac

   144 ])

   146 # Expects $host_os $host_cpu $build_os and $build_cpu

   147 # and $with_target_bits to have been setup!

   148 #

   149 # Translate the standard triplet(quadruplet) definition

   150 # of the target/build system into OPENJDK_TARGET_OS, OPENJDK_TARGET_CPU,

   151 # OPENJDK_BUILD_OS, etc.

   152 AC_DEFUN([PLATFORM_EXTRACT_TARGET_AND_BUILD],

   153 [

   154   # Copy the autoconf trip/quadruplet verbatim to OPENJDK_TARGET_AUTOCONF_NAME

   155   # (from the autoconf "host") and OPENJDK_BUILD_AUTOCONF_NAME

   156   # Note that we might later on rewrite e.g. OPENJDK_TARGET_CPU due to reduced build,

   157   # but this will not change the value of OPENJDK_TARGET_AUTOCONF_NAME.

   158   OPENJDK_TARGET_AUTOCONF_NAME="$host"

   159   OPENJDK_BUILD_AUTOCONF_NAME="$build"

   160   AC_SUBST(OPENJDK_TARGET_AUTOCONF_NAME)

   161   AC_SUBST(OPENJDK_BUILD_AUTOCONF_NAME)

   163   # Convert the autoconf OS/CPU value to our own data, into the VAR_OS/CPU variables.

   164   PLATFORM_EXTRACT_VARS_FROM_OS($build_os)

   165   PLATFORM_EXTRACT_VARS_FROM_CPU($build_cpu)

   166   # ..and setup our own variables. (Do this explicitely to facilitate searching)

   167   OPENJDK_BUILD_OS="$VAR_OS"

   168   OPENJDK_BUILD_OS_API="$VAR_OS_API"

   169   OPENJDK_BUILD_OS_ENV="$VAR_OS_ENV"

   170   OPENJDK_BUILD_CPU="$VAR_CPU"

   171   OPENJDK_BUILD_CPU_ARCH="$VAR_CPU_ARCH"

   172   OPENJDK_BUILD_CPU_BITS="$VAR_CPU_BITS"

   173   OPENJDK_BUILD_CPU_ENDIAN="$VAR_CPU_ENDIAN"

   174   AC_SUBST(OPENJDK_BUILD_OS)

   175   AC_SUBST(OPENJDK_BUILD_OS_API)

   176   AC_SUBST(OPENJDK_BUILD_CPU)

   177   AC_SUBST(OPENJDK_BUILD_CPU_ARCH)

   178   AC_SUBST(OPENJDK_BUILD_CPU_BITS)

   179   AC_SUBST(OPENJDK_BUILD_CPU_ENDIAN)

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

   182   AC_MSG_RESULT([$OPENJDK_BUILD_OS-$OPENJDK_BUILD_CPU])

   184   # Convert the autoconf OS/CPU value to our own data, into the VAR_OS/CPU variables.

   185   PLATFORM_EXTRACT_VARS_FROM_OS($host_os)

   186   PLATFORM_EXTRACT_VARS_FROM_CPU($host_cpu)

   187   # ... and setup our own variables. (Do this explicitely to facilitate searching)

   188   OPENJDK_TARGET_OS="$VAR_OS"

   189   OPENJDK_TARGET_OS_API="$VAR_OS_API"

   190   OPENJDK_TARGET_OS_ENV="$VAR_OS_ENV"

   191   OPENJDK_TARGET_CPU="$VAR_CPU"

   192   OPENJDK_TARGET_CPU_ARCH="$VAR_CPU_ARCH"

   193   OPENJDK_TARGET_CPU_BITS="$VAR_CPU_BITS"

   194   OPENJDK_TARGET_CPU_ENDIAN="$VAR_CPU_ENDIAN"

   195   AC_SUBST(OPENJDK_TARGET_OS)

   196   AC_SUBST(OPENJDK_TARGET_OS_API)

   197   AC_SUBST(OPENJDK_TARGET_CPU)

   198   AC_SUBST(OPENJDK_TARGET_CPU_ARCH)

   199   AC_SUBST(OPENJDK_TARGET_CPU_BITS)

   200   AC_SUBST(OPENJDK_TARGET_CPU_ENDIAN)

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

   203   AC_MSG_RESULT([$OPENJDK_TARGET_OS-$OPENJDK_TARGET_CPU])

   204 ])

   206 # Check if a reduced build (32-bit on 64-bit platforms) is requested, and modify behaviour

   207 # accordingly. Must be done after setting up build and target system, but before

   208 # doing anything else with these values.

   209 AC_DEFUN([PLATFORM_SETUP_TARGET_CPU_BITS],

   210 [

   211   AC_ARG_WITH(target-bits, [AS_HELP_STRING([--with-target-bits],

   212        [build 32-bit or 64-bit binaries (for platforms that support it), e.g. --with-target-bits=32 @<:@guessed@:>@])])

   214   # We have three types of compiles:

   215   # native  == normal compilation, target system == build system

   216   # cross   == traditional cross compilation, target system != build system; special toolchain needed

   217   # reduced == using native compilers, but with special flags (e.g. -m32) to produce 32-bit builds on 64-bit machines

   218   #

   219   if test "x$OPENJDK_BUILD_AUTOCONF_NAME" != "x$OPENJDK_TARGET_AUTOCONF_NAME"; then

   220     # We're doing a proper cross-compilation

   221     COMPILE_TYPE="cross"

   222   else

   223     COMPILE_TYPE="native"

   224   fi

   226   if test "x$with_target_bits" != x; then

   227     if test "x$COMPILE_TYPE" = "xcross"; then

   228       AC_MSG_ERROR([It is not possible to combine --with-target-bits=X and proper cross-compilation. Choose either.])

   229     fi

   231     if test "x$with_target_bits" = x32 && test "x$OPENJDK_TARGET_CPU_BITS" = x64; then

   232       # A reduced build is requested

   233       COMPILE_TYPE="reduced"

   234       OPENJDK_TARGET_CPU_BITS=32

   235       if test "x$OPENJDK_TARGET_CPU_ARCH" = "xx86"; then

   236         OPENJDK_TARGET_CPU=x86

   237       elif test "x$OPENJDK_TARGET_CPU_ARCH" = "xsparc"; then

   238         OPENJDK_TARGET_CPU=sparc

   239       else

   240         AC_MSG_ERROR([Reduced build (--with-target-bits=32) is only supported on x86_64 and sparcv9])

   241       fi

   242     elif test "x$with_target_bits" = x64 && test "x$OPENJDK_TARGET_CPU_BITS" = x32; then

   243       AC_MSG_ERROR([It is not possible to use --with-target-bits=64 on a 32 bit system. Use proper cross-compilation instead.])

   244     elif test "x$with_target_bits" = "x$OPENJDK_TARGET_CPU_BITS"; then

   245       AC_MSG_NOTICE([--with-target-bits are set to build platform address size; argument has no meaning])

   246     else

   247       AC_MSG_ERROR([--with-target-bits can only be 32 or 64, you specified $with_target_bits!])

   248     fi

   249   fi

   250   AC_SUBST(COMPILE_TYPE)

   252   AC_MSG_CHECKING([compilation type])

   253   AC_MSG_RESULT([$COMPILE_TYPE])

   254 ])

   256 # Setup the legacy variables, for controlling the old makefiles.

   257 #

   258 AC_DEFUN([PLATFORM_SETUP_LEGACY_VARS],

   259 [

   260   # Also store the legacy naming of the cpu.

   261   # Ie i586 and amd64 instead of x86 and x86_64

   262   OPENJDK_TARGET_CPU_LEGACY="$OPENJDK_TARGET_CPU"

   263   if test "x$OPENJDK_TARGET_CPU" = xx86; then

   264     OPENJDK_TARGET_CPU_LEGACY="i586"

   265   elif test "x$OPENJDK_TARGET_OS" != xmacosx && test "x$OPENJDK_TARGET_CPU" = xx86_64; then

   266     # On all platforms except MacOSX replace x86_64 with amd64.

   267     OPENJDK_TARGET_CPU_LEGACY="amd64"

   268   fi

   269   AC_SUBST(OPENJDK_TARGET_CPU_LEGACY)

   271   # And the second legacy naming of the cpu.

   272   # Ie i386 and amd64 instead of x86 and x86_64.

   273   OPENJDK_TARGET_CPU_LEGACY_LIB="$OPENJDK_TARGET_CPU"

   274   if test "x$OPENJDK_TARGET_CPU" = xx86; then

   275     OPENJDK_TARGET_CPU_LEGACY_LIB="i386"

   276   elif test "x$OPENJDK_TARGET_CPU" = xx86_64; then

   277     OPENJDK_TARGET_CPU_LEGACY_LIB="amd64"

   278   fi

   279   AC_SUBST(OPENJDK_TARGET_CPU_LEGACY_LIB)

   281   # This is the name of the cpu (but using i386 and amd64 instead of

   282   # x86 and x86_64, respectively), preceeded by a /, to be used when

   283   # locating libraries. On macosx, it's empty, though.

   284   OPENJDK_TARGET_CPU_LIBDIR="/$OPENJDK_TARGET_CPU_LEGACY_LIB"

   285   if test "x$OPENJDK_TARGET_OS" = xmacosx; then

   286     OPENJDK_TARGET_CPU_LIBDIR=""

   287   fi

   288   AC_SUBST(OPENJDK_TARGET_CPU_LIBDIR)

   290   # OPENJDK_TARGET_CPU_ISADIR is normally empty. On 64-bit Solaris systems, it is set to

   291   # /amd64 or /sparcv9. This string is appended to some library paths, like this:

   292   # /usr/lib${OPENJDK_TARGET_CPU_ISADIR}/libexample.so

   293   OPENJDK_TARGET_CPU_ISADIR=""

   294   if test "x$OPENJDK_TARGET_OS" = xsolaris; then

   295     if test "x$OPENJDK_TARGET_CPU" = xx86_64; then

   296       OPENJDK_TARGET_CPU_ISADIR="/amd64"

   297     elif test "x$OPENJDK_TARGET_CPU" = xsparcv9; then

   298       OPENJDK_TARGET_CPU_ISADIR="/sparcv9"

   299     fi

   300   fi

   301   AC_SUBST(OPENJDK_TARGET_CPU_ISADIR)

   303   # Setup OPENJDK_TARGET_CPU_OSARCH, which is used to set the os.arch Java system property

   304   OPENJDK_TARGET_CPU_OSARCH="$OPENJDK_TARGET_CPU"

   305   if test "x$OPENJDK_TARGET_OS" = xlinux && test "x$OPENJDK_TARGET_CPU" = xx86; then

   306     # On linux only, we replace x86 with i386.

   307     OPENJDK_TARGET_CPU_OSARCH="i386"

   308   elif test "x$OPENJDK_TARGET_OS" != xmacosx && test "x$OPENJDK_TARGET_CPU" = xx86_64; then

   309     # On all platforms except macosx, we replace x86_64 with amd64.

   310     OPENJDK_TARGET_CPU_OSARCH="amd64"

   311   fi

   312   AC_SUBST(OPENJDK_TARGET_CPU_OSARCH)

   314   OPENJDK_TARGET_CPU_JLI="$OPENJDK_TARGET_CPU"

   315   if test "x$OPENJDK_TARGET_CPU" = xx86; then

   316     OPENJDK_TARGET_CPU_JLI="i386"

   317   elif test "x$OPENJDK_TARGET_OS" != xmacosx && test "x$OPENJDK_TARGET_CPU" = xx86_64; then

   318     # On all platforms except macosx, we replace x86_64 with amd64.

   319     OPENJDK_TARGET_CPU_JLI="amd64"

   320   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)

   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="solaris"

   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)

   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)

   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)

   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)

   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 ])

   378 AC_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

   401   AC_SUBST(REQUIRED_OS_NAME)

   402   AC_SUBST(REQUIRED_OS_VERSION)

   403 ])

   405 #%%% Build and target systems %%%

   406 AC_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

   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 ])

   423 AC_DEFUN_ONCE([PLATFORM_SETUP_OPENJDK_BUILD_OS_VERSION],

   424 [

   425   ###############################################################################

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

   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 ])

   438 # Support macro for PLATFORM_SETUP_OPENJDK_TARGET_BITS.

   439 # Add -mX to various FLAGS variables.

   440 AC_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}"

   450   CFLAGS="${CFLAGS}${ADDED_CFLAGS}"

   451   CXXFLAGS="${CXXFLAGS}${ADDED_CXXFLAGS}"

   452   LDFLAGS="${LDFLAGS}${ADDED_LDFLAGS}"

   454   CFLAGS_JDK="${CFLAGS_JDK}${ADDED_CFLAGS}"

   455   CXXFLAGS_JDK="${CXXFLAGS_JDK}${ADDED_CXXFLAGS}"

   456   LDFLAGS_JDK="${LDFLAGS_JDK}${ADDED_LDFLAGS}"

   457 ])

   459 AC_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   #

   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

   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   ])

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

   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`

   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

   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

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

   515       TESTED_TARGET_CPU_BITS=`expr 8 \* $ac_cv_sizeof_int_p`

   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

   523   AC_MSG_CHECKING([for target address size])

   524   AC_MSG_RESULT([$OPENJDK_TARGET_CPU_BITS bits])

   525 ])

   527 AC_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"])

   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 ])

Mercurial > jdk8-mips64-public / file revision

common/autoconf/platform.m4@50aaf272884f

common/autoconf/platform.m4