jdk8-mips64-public: common/autoconf/platform.m4@8b0588603185

1 #

     2 # Copyright (c) 2011, 2015, 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     aarch64)

    52       VAR_CPU=aarch64

    53       VAR_CPU_ARCH=aarch64

    54       VAR_CPU_BITS=64

    55       VAR_CPU_ENDIAN=little

    56       ;;

    57     powerpc)

    58       VAR_CPU=ppc

    59       VAR_CPU_ARCH=ppc

    60       VAR_CPU_BITS=32

    61       VAR_CPU_ENDIAN=big

    62       ;;

    63     powerpc64)

    64       VAR_CPU=ppc64

    65       VAR_CPU_ARCH=ppc

    66       VAR_CPU_BITS=64

    67       VAR_CPU_ENDIAN=big

    68       ;;

    69     powerpc64le)

    70       VAR_CPU=ppc64

    71       VAR_CPU_ARCH=ppc

    72       VAR_CPU_BITS=64

    73       VAR_CPU_ENDIAN=little

    74       ;;

    75     s390)

    76       VAR_CPU=s390

    77       VAR_CPU_ARCH=s390

    78       VAR_CPU_BITS=32

    79       VAR_CPU_ENDIAN=big

    80       ;;

    81     s390x)

    82       VAR_CPU=s390x

    83       VAR_CPU_ARCH=s390

    84       VAR_CPU_BITS=64

    85       VAR_CPU_ENDIAN=big

    86       ;;

    87     sparc)

    88       VAR_CPU=sparc

    89       VAR_CPU_ARCH=sparc

    90       VAR_CPU_BITS=32

    91       VAR_CPU_ENDIAN=big

    92       ;;

    93     sparcv9|sparc64)

    94       VAR_CPU=sparcv9

    95       VAR_CPU_ARCH=sparc

    96       VAR_CPU_BITS=64

    97       VAR_CPU_ENDIAN=big

    98       ;;

    99     *)

   100       AC_MSG_ERROR([unsupported cpu $1])

   101       ;;

   102   esac

   103 ])

   105 # Support macro for PLATFORM_EXTRACT_TARGET_AND_BUILD.

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

   107 # VAR_OS and VAR_OS_API.

   108 AC_DEFUN([PLATFORM_EXTRACT_VARS_FROM_OS],

   109 [

   110   case "$1" in

   111     *linux*)

   112       VAR_OS=linux

   113       VAR_OS_API=posix

   114       VAR_OS_ENV=linux

   115       ;;

   116     *solaris*)

   117       VAR_OS=solaris

   118       VAR_OS_API=posix

   119       VAR_OS_ENV=solaris

   120       ;;

   121     *darwin*)

   122       VAR_OS=macosx

   123       VAR_OS_API=posix

   124       VAR_OS_ENV=macosx

   125       ;;

   126     *bsd*)

   127       VAR_OS=bsd

   128       VAR_OS_API=posix

   129       VAR_OS_ENV=bsd

   130       ;;

   131     *cygwin*)

   132       VAR_OS=windows

   133       VAR_OS_API=winapi

   134       VAR_OS_ENV=windows.cygwin

   135       ;;

   136     *mingw*)

   137       VAR_OS=windows

   138       VAR_OS_API=winapi

   139       VAR_OS_ENV=windows.msys

   140       ;;

   141     *aix*)

   142       VAR_OS=aix

   143       VAR_OS_API=posix

   144       VAR_OS_ENV=aix

   145       ;;

   146     *)

   147       AC_MSG_ERROR([unsupported operating system $1])

   148       ;;

   149   esac

   150 ])

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

   153 # and $with_target_bits to have been setup!

   154 #

   155 # Translate the standard triplet(quadruplet) definition

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

   157 # OPENJDK_BUILD_OS, etc.

   158 AC_DEFUN([PLATFORM_EXTRACT_TARGET_AND_BUILD],

   159 [

   160   # Copy the autoconf trip/quadruplet verbatim to OPENJDK_TARGET_AUTOCONF_NAME

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

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

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

   164   OPENJDK_TARGET_AUTOCONF_NAME="$host"

   165   OPENJDK_BUILD_AUTOCONF_NAME="$build"

   166   AC_SUBST(OPENJDK_TARGET_AUTOCONF_NAME)

   167   AC_SUBST(OPENJDK_BUILD_AUTOCONF_NAME)

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

   170   PLATFORM_EXTRACT_VARS_FROM_OS($build_os)

   171   PLATFORM_EXTRACT_VARS_FROM_CPU($build_cpu)

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

   173   OPENJDK_BUILD_OS="$VAR_OS"

   174   OPENJDK_BUILD_OS_API="$VAR_OS_API"

   175   OPENJDK_BUILD_OS_ENV="$VAR_OS_ENV"

   176   OPENJDK_BUILD_CPU="$VAR_CPU"

   177   OPENJDK_BUILD_CPU_ARCH="$VAR_CPU_ARCH"

   178   OPENJDK_BUILD_CPU_BITS="$VAR_CPU_BITS"

   179   OPENJDK_BUILD_CPU_ENDIAN="$VAR_CPU_ENDIAN"

   180   AC_SUBST(OPENJDK_BUILD_OS)

   181   AC_SUBST(OPENJDK_BUILD_OS_API)

   182   AC_SUBST(OPENJDK_BUILD_CPU)

   183   AC_SUBST(OPENJDK_BUILD_CPU_ARCH)

   184   AC_SUBST(OPENJDK_BUILD_CPU_BITS)

   185   AC_SUBST(OPENJDK_BUILD_CPU_ENDIAN)

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

   188   AC_MSG_RESULT([$OPENJDK_BUILD_OS-$OPENJDK_BUILD_CPU])

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

   191   PLATFORM_EXTRACT_VARS_FROM_OS($host_os)

   192   PLATFORM_EXTRACT_VARS_FROM_CPU($host_cpu)

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

   194   OPENJDK_TARGET_OS="$VAR_OS"

   195   OPENJDK_TARGET_OS_API="$VAR_OS_API"

   196   OPENJDK_TARGET_OS_ENV="$VAR_OS_ENV"

   197   OPENJDK_TARGET_CPU="$VAR_CPU"

   198   OPENJDK_TARGET_CPU_ARCH="$VAR_CPU_ARCH"

   199   OPENJDK_TARGET_CPU_BITS="$VAR_CPU_BITS"

   200   OPENJDK_TARGET_CPU_ENDIAN="$VAR_CPU_ENDIAN"

   201   AC_SUBST(OPENJDK_TARGET_OS)

   202   AC_SUBST(OPENJDK_TARGET_OS_API)

   203   AC_SUBST(OPENJDK_TARGET_CPU)

   204   AC_SUBST(OPENJDK_TARGET_CPU_ARCH)

   205   AC_SUBST(OPENJDK_TARGET_CPU_BITS)

   206   AC_SUBST(OPENJDK_TARGET_CPU_ENDIAN)

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

   209   AC_MSG_RESULT([$OPENJDK_TARGET_OS-$OPENJDK_TARGET_CPU])

   210 ])

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

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

   214 # doing anything else with these values.

   215 AC_DEFUN([PLATFORM_SETUP_TARGET_CPU_BITS],

   216 [

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

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

   220   # We have three types of compiles:

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

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

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

   224   #

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

   226     # We're doing a proper cross-compilation

   227     COMPILE_TYPE="cross"

   228   else

   229     COMPILE_TYPE="native"

   230   fi

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

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

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

   235     fi

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

   238       # A reduced build is requested

   239       COMPILE_TYPE="reduced"

   240       OPENJDK_TARGET_CPU_BITS=32

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

   242         OPENJDK_TARGET_CPU=x86

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

   244         OPENJDK_TARGET_CPU=sparc

   245       else

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

   247       fi

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

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

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

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

   252     else

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

   254     fi

   255   fi

   256   AC_SUBST(COMPILE_TYPE)

   258   AC_MSG_CHECKING([compilation type])

   259   AC_MSG_RESULT([$COMPILE_TYPE])

   260 ])

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

   263 #

   264 AC_DEFUN([PLATFORM_SETUP_LEGACY_VARS],

   265 [

   266   # Also store the legacy naming of the cpu.

   267   # Ie i586 and amd64 instead of x86 and x86_64

   268   OPENJDK_TARGET_CPU_LEGACY="$OPENJDK_TARGET_CPU"

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

   270     OPENJDK_TARGET_CPU_LEGACY="i586"

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

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

   273     OPENJDK_TARGET_CPU_LEGACY="amd64"

   274   fi

   275   AC_SUBST(OPENJDK_TARGET_CPU_LEGACY)

   277   # And the second legacy naming of the cpu.

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

   279   OPENJDK_TARGET_CPU_LEGACY_LIB="$OPENJDK_TARGET_CPU"

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

   281     OPENJDK_TARGET_CPU_LEGACY_LIB="i386"

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

   283     OPENJDK_TARGET_CPU_LEGACY_LIB="amd64"

   284   fi

   285   AC_SUBST(OPENJDK_TARGET_CPU_LEGACY_LIB)

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

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

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

   290   OPENJDK_TARGET_CPU_LIBDIR="/$OPENJDK_TARGET_CPU_LEGACY_LIB"

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

   292     OPENJDK_TARGET_CPU_LIBDIR=""

   293   fi

   294   AC_SUBST(OPENJDK_TARGET_CPU_LIBDIR)

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

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

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

   299   OPENJDK_TARGET_CPU_ISADIR=""

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

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

   302       OPENJDK_TARGET_CPU_ISADIR="/amd64"

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

   304       OPENJDK_TARGET_CPU_ISADIR="/sparcv9"

   305     fi

   306   fi

   307   AC_SUBST(OPENJDK_TARGET_CPU_ISADIR)

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

   310   OPENJDK_TARGET_CPU_OSARCH="$OPENJDK_TARGET_CPU"

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

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

   313     OPENJDK_TARGET_CPU_OSARCH="i386"

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

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

   316     OPENJDK_TARGET_CPU_OSARCH="amd64"

   317   fi

   318   AC_SUBST(OPENJDK_TARGET_CPU_OSARCH)

   320   OPENJDK_TARGET_CPU_JLI="$OPENJDK_TARGET_CPU"

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

   322     OPENJDK_TARGET_CPU_JLI="i386"

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

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

   325     OPENJDK_TARGET_CPU_JLI="amd64"

   326   fi

   327   # Now setup the -D flags for building libjli.

   328   OPENJDK_TARGET_CPU_JLI_CFLAGS="-DLIBARCHNAME='\"$OPENJDK_TARGET_CPU_JLI\"'"

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

   330     if test "x$OPENJDK_TARGET_CPU_ARCH" = xsparc; then

   331       OPENJDK_TARGET_CPU_JLI_CFLAGS="$OPENJDK_TARGET_CPU_JLI_CFLAGS -DLIBARCH32NAME='\"sparc\"' -DLIBARCH64NAME='\"sparcv9\"'"

   332     elif test "x$OPENJDK_TARGET_CPU_ARCH" = xx86; then

   333       OPENJDK_TARGET_CPU_JLI_CFLAGS="$OPENJDK_TARGET_CPU_JLI_CFLAGS -DLIBARCH32NAME='\"i386\"' -DLIBARCH64NAME='\"amd64\"'"

   334     fi

   335   fi

   336   AC_SUBST(OPENJDK_TARGET_CPU_JLI_CFLAGS)

   338   # Setup OPENJDK_TARGET_OS_API_DIR, used in source paths.

   339   if test "x$OPENJDK_TARGET_OS_API" = xposix; then

   340     OPENJDK_TARGET_OS_API_DIR="solaris"

   341   fi

   342   if test "x$OPENJDK_TARGET_OS_API" = xwinapi; then

   343     OPENJDK_TARGET_OS_API_DIR="windows"

   344   fi

   345   AC_SUBST(OPENJDK_TARGET_OS_API_DIR)

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

   348       OPENJDK_TARGET_OS_EXPORT_DIR=macosx

   349   else

   350       OPENJDK_TARGET_OS_EXPORT_DIR=${OPENJDK_TARGET_OS_API_DIR}

   351   fi

   352   AC_SUBST(OPENJDK_TARGET_OS_EXPORT_DIR)

   354   if test "x$OPENJDK_TARGET_CPU_BITS" = x64; then

   355     A_LP64="LP64:="

   356     # -D_LP64=1 is only set on linux and mac. Setting on windows causes diff in

   357     # unpack200.exe

   358     if test "x$OPENJDK_TARGET_OS" = xlinux || test "x$OPENJDK_TARGET_OS" = xmacosx; then

   359       ADD_LP64="-D_LP64=1"

   360     fi

   361   fi

   362   AC_SUBST(LP64,$A_LP64)

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

   365     # FIXME: ... or should this include reduced builds..?

   366     DEFINE_CROSS_COMPILE_ARCH="CROSS_COMPILE_ARCH:=$OPENJDK_TARGET_CPU_LEGACY"

   367   else

   368     DEFINE_CROSS_COMPILE_ARCH=""

   369   fi

   370   AC_SUBST(DEFINE_CROSS_COMPILE_ARCH)

   372   # ZERO_ARCHDEF is used to enable architecture-specific code

   373   case "${OPENJDK_TARGET_CPU}" in

   374     ppc)     ZERO_ARCHDEF=PPC32 ;;

   375     ppc64)   ZERO_ARCHDEF=PPC64 ;;

   376     s390*)   ZERO_ARCHDEF=S390  ;;

   377     sparc*)  ZERO_ARCHDEF=SPARC ;;

   378     x86_64*) ZERO_ARCHDEF=AMD64 ;;

   379     x86)     ZERO_ARCHDEF=IA32  ;;

   380     *)      ZERO_ARCHDEF=$(echo "${OPENJDK_TARGET_CPU_LEGACY_LIB}" | tr a-z A-Z)

   381   esac

   382   AC_SUBST(ZERO_ARCHDEF)

   383 ])

   385 AC_DEFUN([PLATFORM_SET_RELEASE_FILE_OS_VALUES],

   386 [

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

   388     REQUIRED_OS_NAME=SunOS

   389     REQUIRED_OS_VERSION=5.10

   390   fi

   391   if test "x$OPENJDK_TARGET_OS" = "xlinux"; then

   392     REQUIRED_OS_NAME=Linux

   393     REQUIRED_OS_VERSION=2.6

   394   fi

   395   if test "x$OPENJDK_TARGET_OS" = "xwindows"; then

   396     REQUIRED_OS_NAME=Windows

   397     if test "x$OPENJDK_TARGET_CPU_BITS" = "x64"; then

   398       REQUIRED_OS_VERSION=5.2

   399     else

   400       REQUIRED_OS_VERSION=5.1

   401     fi

   402   fi

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

   404     REQUIRED_OS_NAME=Darwin

   405     REQUIRED_OS_VERSION=11.2

   406   fi

   408   AC_SUBST(REQUIRED_OS_NAME)

   409   AC_SUBST(REQUIRED_OS_VERSION)

   410 ])

   412 #%%% Build and target systems %%%

   413 AC_DEFUN_ONCE([PLATFORM_SETUP_OPENJDK_BUILD_AND_TARGET],

   414 [

   415   # Figure out the build and target systems. # Note that in autoconf terminology, "build" is obvious, but "target"

   416   # is confusing; it assumes you are cross-compiling a cross-compiler (!)  and "target" is thus the target of the

   417   # product you're building. The target of this build is called "host". Since this is confusing to most people, we

   418   # have not adopted that system, but use "target" as the platform we are building for. In some places though we need

   419   # to use the configure naming style.

   420   AC_CANONICAL_BUILD

   421   AC_CANONICAL_HOST

   422   AC_CANONICAL_TARGET

   424   PLATFORM_EXTRACT_TARGET_AND_BUILD

   425   PLATFORM_SETUP_TARGET_CPU_BITS

   426   PLATFORM_SET_RELEASE_FILE_OS_VALUES

   427   PLATFORM_SETUP_LEGACY_VARS

   428 ])

   430 AC_DEFUN_ONCE([PLATFORM_SETUP_OPENJDK_BUILD_OS_VERSION],

   431 [

   432   ###############################################################################

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

   436   OS_VERSION="`uname -r | ${SED} 's!\.! !g' | ${SED} 's!-! !g'`"

   437   OS_VERSION_MAJOR="`${ECHO} ${OS_VERSION} | ${CUT} -f 1 -d ' '`"

   438   OS_VERSION_MINOR="`${ECHO} ${OS_VERSION} | ${CUT} -f 2 -d ' '`"

   439   OS_VERSION_MICRO="`${ECHO} ${OS_VERSION} | ${CUT} -f 3 -d ' '`"

   440   AC_SUBST(OS_VERSION_MAJOR)

   441   AC_SUBST(OS_VERSION_MINOR)

   442   AC_SUBST(OS_VERSION_MICRO)

   443 ])

   445 # Support macro for PLATFORM_SETUP_OPENJDK_TARGET_BITS.

   446 # Add -mX to various FLAGS variables.

   447 AC_DEFUN([PLATFORM_SET_COMPILER_TARGET_BITS_FLAGS],

   448 [

   449   # When we add flags to the "official" CFLAGS etc, we need to

   450   # keep track of these additions in ADDED_CFLAGS etc. These

   451   # will later be checked to make sure only controlled additions

   452   # have been made to CFLAGS etc.

   453   ADDED_CFLAGS=" ${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}"

   454   ADDED_CXXFLAGS=" ${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}"

   455   ADDED_LDFLAGS=" ${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}"

   457   CFLAGS="${CFLAGS}${ADDED_CFLAGS}"

   458   CXXFLAGS="${CXXFLAGS}${ADDED_CXXFLAGS}"

   459   LDFLAGS="${LDFLAGS}${ADDED_LDFLAGS}"

   461   CFLAGS_JDK="${CFLAGS_JDK}${ADDED_CFLAGS}"

   462   CXXFLAGS_JDK="${CXXFLAGS_JDK}${ADDED_CXXFLAGS}"

   463   LDFLAGS_JDK="${LDFLAGS_JDK}${ADDED_LDFLAGS}"

   464 ])

   466 AC_DEFUN_ONCE([PLATFORM_SETUP_OPENJDK_TARGET_BITS],

   467 [

   468   ###############################################################################

   469   #

   470   # Now we check if libjvm.so will use 32 or 64 bit pointers for the C/C++ code.

   471   # (The JVM can use 32 or 64 bit Java pointers but that decision

   472   # is made at runtime.)

   473   #

   475   if test "x$OPENJDK_TARGET_OS" = xsolaris || test "x$OPENJDK_TARGET_OS" = xaix; then

   476     # Always specify -m flag on Solaris

   477     # And -q on AIX because otherwise the compiler produces 32-bit objects by default

   478     PLATFORM_SET_COMPILER_TARGET_BITS_FLAGS

   479   elif test "x$COMPILE_TYPE" = xreduced; then

   480     if test "x$OPENJDK_TARGET_OS" != xwindows; then

   481       # Specify -m if running reduced on other Posix platforms

   482       PLATFORM_SET_COMPILER_TARGET_BITS_FLAGS

   483     fi

   484   fi

   486   # Make compilation sanity check

   487   AC_CHECK_HEADERS([stdio.h], , [

   488     AC_MSG_NOTICE([Failed to compile stdio.h. This likely implies missing compile dependencies.])

   489     if test "x$COMPILE_TYPE" = xreduced; then

   490       AC_MSG_NOTICE([You are doing a reduced build. Check that you have 32-bit libraries installed.])

   491     elif test "x$COMPILE_TYPE" = xcross; then

   492       AC_MSG_NOTICE([You are doing a cross-compilation. Check that you have all target platform libraries installed.])

   493     fi

   494     AC_MSG_ERROR([Cannot continue.])

   495   ])

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

   499   # AC_CHECK_SIZEOF defines 'ac_cv_sizeof_int_p' to hold the number of bytes used by an 'int*'

   500   if test "x$ac_cv_sizeof_int_p" = x; then

   501     # The test failed, lets stick to the assumed value.

   502     AC_MSG_WARN([The number of bits in the target could not be determined, using $OPENJDK_TARGET_CPU_BITS.])

   503   else

   504     TESTED_TARGET_CPU_BITS=`expr 8 \* $ac_cv_sizeof_int_p`

   506     if test "x$TESTED_TARGET_CPU_BITS" != "x$OPENJDK_TARGET_CPU_BITS"; then

   507       # This situation may happen on 64-bit platforms where the compiler by default only generates 32-bit objects

   508       # Let's try to implicitely set the compilers target architecture and retry the test

   509       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).])

   510       AC_MSG_NOTICE([I'll retry after setting the platforms compiler target bits flag to ${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}])

   511       PLATFORM_SET_COMPILER_TARGET_BITS_FLAGS

   513       # We have to unset 'ac_cv_sizeof_int_p' first, otherwise AC_CHECK_SIZEOF will use the previously cached value!

   514       unset ac_cv_sizeof_int_p

   515       # And we have to undef the definition of SIZEOF_INT_P in confdefs.h by the previous invocation of AC_CHECK_SIZEOF

   516       cat >>confdefs.h <<_ACEOF

   517 #undef SIZEOF_INT_P

   518 _ACEOF

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

   522       TESTED_TARGET_CPU_BITS=`expr 8 \* $ac_cv_sizeof_int_p`

   524       if test "x$TESTED_TARGET_CPU_BITS" != "x$OPENJDK_TARGET_CPU_BITS"; then

   525         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)])

   526       fi

   527     fi

   528   fi

   530   AC_MSG_CHECKING([for target address size])

   531   AC_MSG_RESULT([$OPENJDK_TARGET_CPU_BITS bits])

   532 ])

   534 AC_DEFUN_ONCE([PLATFORM_SETUP_OPENJDK_TARGET_ENDIANNESS],

   535 [

   536   ###############################################################################

   537   #

   538   # Is the target little of big endian?

   539   #

   540   AC_C_BIGENDIAN([ENDIAN="big"],[ENDIAN="little"],[ENDIAN="unknown"],[ENDIAN="universal_endianness"])

   542   if test "x$ENDIAN" = xuniversal_endianness; then

   543     AC_MSG_ERROR([Building with both big and little endianness is not supported])

   544   fi

   545   if test "x$ENDIAN" != "x$OPENJDK_TARGET_CPU_ENDIAN"; then

   546     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)])

   547   fi

   548 ])

Mercurial > jdk8-mips64-public / file revision

common/autoconf/platform.m4@8b0588603185

common/autoconf/platform.m4