jdk8-mips64-public: common/autoconf/platform.m4@feeb67be5886

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     s390)

    64       VAR_CPU=s390

    65       VAR_CPU_ARCH=s390

    66       VAR_CPU_BITS=32

    67       VAR_CPU_ENDIAN=big

    68       ;;

    69     s390x)

    70       VAR_CPU=s390x

    71       VAR_CPU_ARCH=s390

    72       VAR_CPU_BITS=64

    73       VAR_CPU_ENDIAN=big

    74       ;;

    75     sparc)

    76       VAR_CPU=sparc

    77       VAR_CPU_ARCH=sparc

    78       VAR_CPU_BITS=32

    79       VAR_CPU_ENDIAN=big

    80       ;;

    81     sparcv9)

    82       VAR_CPU=sparcv9

    83       VAR_CPU_ARCH=sparc

    84       VAR_CPU_BITS=64

    85       VAR_CPU_ENDIAN=big

    86       ;;

    87     *)

    88       AC_MSG_ERROR([unsupported cpu $1])

    89       ;;

    90   esac

    91 ])

    93 # Support macro for PLATFORM_EXTRACT_TARGET_AND_BUILD.

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

    95 # VAR_OS and VAR_OS_API.

    96 AC_DEFUN([PLATFORM_EXTRACT_VARS_FROM_OS],

    97 [

    98   case "$1" in

    99     *linux*)

   100       VAR_OS=linux

   101       VAR_OS_API=posix

   102       VAR_OS_ENV=linux

   103       ;;

   104     *solaris*)

   105       VAR_OS=solaris

   106       VAR_OS_API=posix

   107       VAR_OS_ENV=solaris

   108       ;;

   109     *darwin*)

   110       VAR_OS=macosx

   111       VAR_OS_API=posix

   112       VAR_OS_ENV=macosx

   113       ;;

   114     *bsd*)

   115       VAR_OS=bsd

   116       VAR_OS_API=posix

   117       VAR_OS_ENV=bsd

   118       ;;

   119     *cygwin*)

   120       VAR_OS=windows

   121       VAR_OS_API=winapi

   122       VAR_OS_ENV=windows.cygwin

   123       ;;

   124     *mingw*)

   125       VAR_OS=windows

   126       VAR_OS_API=winapi

   127       VAR_OS_ENV=windows.msys

   128       ;;

   129     *aix*)

   130       VAR_OS=aix

   131       VAR_OS_API=posix

   132       VAR_OS_ENV=aix

   133       ;;

   134     *)

   135       AC_MSG_ERROR([unsupported operating system $1])

   136       ;;

   137   esac

   138 ])

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

   141 # and $with_target_bits to have been setup!

   142 #

   143 # Translate the standard triplet(quadruplet) definition

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

   145 # OPENJDK_BUILD_OS, etc.

   146 AC_DEFUN([PLATFORM_EXTRACT_TARGET_AND_BUILD],

   147 [

   148   # Copy the autoconf trip/quadruplet verbatim to OPENJDK_TARGET_AUTOCONF_NAME

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

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

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

   152   OPENJDK_TARGET_AUTOCONF_NAME="$host"

   153   OPENJDK_BUILD_AUTOCONF_NAME="$build"

   154   AC_SUBST(OPENJDK_TARGET_AUTOCONF_NAME)

   155   AC_SUBST(OPENJDK_BUILD_AUTOCONF_NAME)

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

   158   PLATFORM_EXTRACT_VARS_FROM_OS($build_os)

   159   PLATFORM_EXTRACT_VARS_FROM_CPU($build_cpu)

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

   161   OPENJDK_BUILD_OS="$VAR_OS"

   162   OPENJDK_BUILD_OS_API="$VAR_OS_API"

   163   OPENJDK_BUILD_OS_ENV="$VAR_OS_ENV"

   164   OPENJDK_BUILD_CPU="$VAR_CPU"

   165   OPENJDK_BUILD_CPU_ARCH="$VAR_CPU_ARCH"

   166   OPENJDK_BUILD_CPU_BITS="$VAR_CPU_BITS"

   167   OPENJDK_BUILD_CPU_ENDIAN="$VAR_CPU_ENDIAN"

   168   AC_SUBST(OPENJDK_BUILD_OS)

   169   AC_SUBST(OPENJDK_BUILD_OS_API)

   170   AC_SUBST(OPENJDK_BUILD_CPU)

   171   AC_SUBST(OPENJDK_BUILD_CPU_ARCH)

   172   AC_SUBST(OPENJDK_BUILD_CPU_BITS)

   173   AC_SUBST(OPENJDK_BUILD_CPU_ENDIAN)

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

   176   AC_MSG_RESULT([$OPENJDK_BUILD_OS-$OPENJDK_BUILD_CPU])

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

   179   PLATFORM_EXTRACT_VARS_FROM_OS($host_os)

   180   PLATFORM_EXTRACT_VARS_FROM_CPU($host_cpu)

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

   182   OPENJDK_TARGET_OS="$VAR_OS"

   183   OPENJDK_TARGET_OS_API="$VAR_OS_API"

   184   OPENJDK_TARGET_OS_ENV="$VAR_OS_ENV"

   185   OPENJDK_TARGET_CPU="$VAR_CPU"

   186   OPENJDK_TARGET_CPU_ARCH="$VAR_CPU_ARCH"

   187   OPENJDK_TARGET_CPU_BITS="$VAR_CPU_BITS"

   188   OPENJDK_TARGET_CPU_ENDIAN="$VAR_CPU_ENDIAN"

   189   AC_SUBST(OPENJDK_TARGET_OS)

   190   AC_SUBST(OPENJDK_TARGET_OS_API)

   191   AC_SUBST(OPENJDK_TARGET_CPU)

   192   AC_SUBST(OPENJDK_TARGET_CPU_ARCH)

   193   AC_SUBST(OPENJDK_TARGET_CPU_BITS)

   194   AC_SUBST(OPENJDK_TARGET_CPU_ENDIAN)

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

   197   AC_MSG_RESULT([$OPENJDK_TARGET_OS-$OPENJDK_TARGET_CPU])

   198 ])

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

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

   202 # doing anything else with these values.

   203 AC_DEFUN([PLATFORM_SETUP_TARGET_CPU_BITS],

   204 [

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

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

   208   # We have three types of compiles:

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

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

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

   212   #

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

   214     # We're doing a proper cross-compilation

   215     COMPILE_TYPE="cross"

   216   else

   217     COMPILE_TYPE="native"

   218   fi

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

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

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

   223     fi

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

   226       # A reduced build is requested

   227       COMPILE_TYPE="reduced"

   228       OPENJDK_TARGET_CPU_BITS=32

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

   230         OPENJDK_TARGET_CPU=x86

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

   232         OPENJDK_TARGET_CPU=sparc

   233       else

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

   235       fi

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

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

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

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

   240     else

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

   242     fi

   243   fi

   244   AC_SUBST(COMPILE_TYPE)

   246   AC_MSG_CHECKING([compilation type])

   247   AC_MSG_RESULT([$COMPILE_TYPE])

   248 ])

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

   251 #

   252 AC_DEFUN([PLATFORM_SETUP_LEGACY_VARS],

   253 [

   254   # Also store the legacy naming of the cpu.

   255   # Ie i586 and amd64 instead of x86 and x86_64

   256   OPENJDK_TARGET_CPU_LEGACY="$OPENJDK_TARGET_CPU"

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

   258     OPENJDK_TARGET_CPU_LEGACY="i586"

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

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

   261     OPENJDK_TARGET_CPU_LEGACY="amd64"

   262   fi

   263   AC_SUBST(OPENJDK_TARGET_CPU_LEGACY)

   265   # And the second legacy naming of the cpu.

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

   267   OPENJDK_TARGET_CPU_LEGACY_LIB="$OPENJDK_TARGET_CPU"

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

   269     OPENJDK_TARGET_CPU_LEGACY_LIB="i386"

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

   271     OPENJDK_TARGET_CPU_LEGACY_LIB="amd64"

   272   fi

   273   AC_SUBST(OPENJDK_TARGET_CPU_LEGACY_LIB)

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

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

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

   278   OPENJDK_TARGET_CPU_LIBDIR="/$OPENJDK_TARGET_CPU_LEGACY_LIB"

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

   280     OPENJDK_TARGET_CPU_LIBDIR=""

   281   fi

   282   AC_SUBST(OPENJDK_TARGET_CPU_LIBDIR)

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

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

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

   287   OPENJDK_TARGET_CPU_ISADIR=""

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

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

   290       OPENJDK_TARGET_CPU_ISADIR="/amd64"

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

   292       OPENJDK_TARGET_CPU_ISADIR="/sparcv9"

   293     fi

   294   fi

   295   AC_SUBST(OPENJDK_TARGET_CPU_ISADIR)

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

   298   OPENJDK_TARGET_CPU_OSARCH="$OPENJDK_TARGET_CPU"

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

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

   301     OPENJDK_TARGET_CPU_OSARCH="i386"

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

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

   304     OPENJDK_TARGET_CPU_OSARCH="amd64"

   305   fi

   306   AC_SUBST(OPENJDK_TARGET_CPU_OSARCH)

   308   OPENJDK_TARGET_CPU_JLI="$OPENJDK_TARGET_CPU"

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

   310     OPENJDK_TARGET_CPU_JLI="i386"

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

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

   313     OPENJDK_TARGET_CPU_JLI="amd64"

   314   fi

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

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

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

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

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

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

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

   322     fi

   323   fi

   324   AC_SUBST(OPENJDK_TARGET_CPU_JLI_CFLAGS)

   326   # Setup OPENJDK_TARGET_OS_API_DIR, used in source paths.

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

   328     OPENJDK_TARGET_OS_API_DIR="solaris"

   329   fi

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

   331     OPENJDK_TARGET_OS_API_DIR="windows"

   332   fi

   333   AC_SUBST(OPENJDK_TARGET_OS_API_DIR)

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

   336       OPENJDK_TARGET_OS_EXPORT_DIR=macosx

   337   else

   338       OPENJDK_TARGET_OS_EXPORT_DIR=${OPENJDK_TARGET_OS_API_DIR}

   339   fi

   340   AC_SUBST(OPENJDK_TARGET_OS_EXPORT_DIR)

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

   343     A_LP64="LP64:="

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

   345     # unpack200.exe

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

   347       ADD_LP64="-D_LP64=1"

   348     fi

   349   fi

   350   AC_SUBST(LP64,$A_LP64)

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

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

   354     DEFINE_CROSS_COMPILE_ARCH="CROSS_COMPILE_ARCH:=$OPENJDK_TARGET_CPU_LEGACY"

   355   else

   356     DEFINE_CROSS_COMPILE_ARCH=""

   357   fi

   358   AC_SUBST(DEFINE_CROSS_COMPILE_ARCH)

   360   # ZERO_ARCHDEF is used to enable architecture-specific code

   361   case "${OPENJDK_TARGET_CPU}" in

   362     ppc*)    ZERO_ARCHDEF=PPC   ;;

   363     s390*)   ZERO_ARCHDEF=S390  ;;

   364     sparc*)  ZERO_ARCHDEF=SPARC ;;

   365     x86_64*) ZERO_ARCHDEF=AMD64 ;;

   366     x86)     ZERO_ARCHDEF=IA32  ;;

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

   368   esac

   369   AC_SUBST(ZERO_ARCHDEF)

   370 ])

   372 AC_DEFUN([PLATFORM_SET_RELEASE_FILE_OS_VALUES],

   373 [

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

   375     REQUIRED_OS_NAME=SunOS

   376     REQUIRED_OS_VERSION=5.10

   377   fi

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

   379     REQUIRED_OS_NAME=Linux

   380     REQUIRED_OS_VERSION=2.6

   381   fi

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

   383     REQUIRED_OS_NAME=Windows

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

   385       REQUIRED_OS_VERSION=5.2

   386     else

   387       REQUIRED_OS_VERSION=5.1

   388     fi

   389   fi

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

   391     REQUIRED_OS_NAME=Darwin

   392     REQUIRED_OS_VERSION=11.2

   393   fi

   395   AC_SUBST(REQUIRED_OS_NAME)

   396   AC_SUBST(REQUIRED_OS_VERSION)

   397 ])

   399 #%%% Build and target systems %%%

   400 AC_DEFUN_ONCE([PLATFORM_SETUP_OPENJDK_BUILD_AND_TARGET],

   401 [

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

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

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

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

   406   # to use the configure naming style.

   407   AC_CANONICAL_BUILD

   408   AC_CANONICAL_HOST

   409   AC_CANONICAL_TARGET

   411   PLATFORM_EXTRACT_TARGET_AND_BUILD

   412   PLATFORM_SETUP_TARGET_CPU_BITS

   413   PLATFORM_SET_RELEASE_FILE_OS_VALUES

   414   PLATFORM_SETUP_LEGACY_VARS

   415 ])

   417 AC_DEFUN_ONCE([PLATFORM_SETUP_OPENJDK_BUILD_OS_VERSION],

   418 [

   419   ###############################################################################

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

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

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

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

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

   427   AC_SUBST(OS_VERSION_MAJOR)

   428   AC_SUBST(OS_VERSION_MINOR)

   429   AC_SUBST(OS_VERSION_MICRO)

   430 ])

   432 # Support macro for PLATFORM_SETUP_OPENJDK_TARGET_BITS.

   433 # Add -mX to various FLAGS variables.

   434 AC_DEFUN([PLATFORM_SET_COMPILER_TARGET_BITS_FLAGS],

   435 [

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

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

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

   439   # have been made to CFLAGS etc.

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

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

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

   444   CFLAGS="${CFLAGS}${ADDED_CFLAGS}"

   445   CXXFLAGS="${CXXFLAGS}${ADDED_CXXFLAGS}"

   446   LDFLAGS="${LDFLAGS}${ADDED_LDFLAGS}"

   448   CFLAGS_JDK="${CFLAGS_JDK}${ADDED_CFLAGS}"

   449   CXXFLAGS_JDK="${CXXFLAGS_JDK}${ADDED_CXXFLAGS}"

   450   LDFLAGS_JDK="${LDFLAGS_JDK}${ADDED_LDFLAGS}"

   451 ])

   453 AC_DEFUN_ONCE([PLATFORM_SETUP_OPENJDK_TARGET_BITS],

   454 [

   455   ###############################################################################

   456   #

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

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

   459   # is made at runtime.)

   460   #

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

   463     # Always specify -m flag on Solaris

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

   465     PLATFORM_SET_COMPILER_TARGET_BITS_FLAGS

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

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

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

   469       PLATFORM_SET_COMPILER_TARGET_BITS_FLAGS

   470     fi

   471   fi

   473   # Make compilation sanity check

   474   AC_CHECK_HEADERS([stdio.h], , [

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

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

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

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

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

   480     fi

   481     AC_MSG_ERROR([Cannot continue.])

   482   ])

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

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

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

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

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

   490   else

   491     TESTED_TARGET_CPU_BITS=`expr 8 \* $ac_cv_sizeof_int_p`

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

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

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

   496       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).])

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

   498       PLATFORM_SET_COMPILER_TARGET_BITS_FLAGS

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

   501       unset ac_cv_sizeof_int_p

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

   503       cat >>confdefs.h <<_ACEOF

   504 #undef SIZEOF_INT_P

   505 _ACEOF

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

   509       TESTED_TARGET_CPU_BITS=`expr 8 \* $ac_cv_sizeof_int_p`

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

   512         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)])

   513       fi

   514     fi

   515   fi

   517   AC_MSG_CHECKING([for target address size])

   518   AC_MSG_RESULT([$OPENJDK_TARGET_CPU_BITS bits])

   519 ])

   521 AC_DEFUN_ONCE([PLATFORM_SETUP_OPENJDK_TARGET_ENDIANNESS],

   522 [

   523   ###############################################################################

   524   #

   525   # Is the target little of big endian?

   526   #

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

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

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

   531   fi

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

   533     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)])

   534   fi

   535 ])

Mercurial > jdk8-mips64-public / file revision

common/autoconf/platform.m4@feeb67be5886

common/autoconf/platform.m4