jdk8-mips64-public: common/autoconf/platform.m4@7f60c2d9823e

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=ppc64le

    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_OS_ENV)

   183   AC_SUBST(OPENJDK_BUILD_CPU)

   184   AC_SUBST(OPENJDK_BUILD_CPU_ARCH)

   185   AC_SUBST(OPENJDK_BUILD_CPU_BITS)

   186   AC_SUBST(OPENJDK_BUILD_CPU_ENDIAN)

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

   189   AC_MSG_RESULT([$OPENJDK_BUILD_OS-$OPENJDK_BUILD_CPU])

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

   192   PLATFORM_EXTRACT_VARS_FROM_OS($host_os)

   193   PLATFORM_EXTRACT_VARS_FROM_CPU($host_cpu)

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

   195   OPENJDK_TARGET_OS="$VAR_OS"

   196   OPENJDK_TARGET_OS_API="$VAR_OS_API"

   197   OPENJDK_TARGET_OS_ENV="$VAR_OS_ENV"

   198   OPENJDK_TARGET_CPU="$VAR_CPU"

   199   OPENJDK_TARGET_CPU_ARCH="$VAR_CPU_ARCH"

   200   OPENJDK_TARGET_CPU_BITS="$VAR_CPU_BITS"

   201   OPENJDK_TARGET_CPU_ENDIAN="$VAR_CPU_ENDIAN"

   202   AC_SUBST(OPENJDK_TARGET_OS)

   203   AC_SUBST(OPENJDK_TARGET_OS_API)

   204   AC_SUBST(OPENJDK_TARGET_OS_ENV)

   205   AC_SUBST(OPENJDK_TARGET_CPU)

   206   AC_SUBST(OPENJDK_TARGET_CPU_ARCH)

   207   AC_SUBST(OPENJDK_TARGET_CPU_BITS)

   208   AC_SUBST(OPENJDK_TARGET_CPU_ENDIAN)

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

   211   AC_MSG_RESULT([$OPENJDK_TARGET_OS-$OPENJDK_TARGET_CPU])

   212 ])

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

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

   216 # doing anything else with these values.

   217 AC_DEFUN([PLATFORM_SETUP_TARGET_CPU_BITS],

   218 [

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

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

   222   # We have three types of compiles:

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

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

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

   226   #

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

   228     # We're doing a proper cross-compilation

   229     COMPILE_TYPE="cross"

   230   else

   231     COMPILE_TYPE="native"

   232   fi

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

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

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

   237     fi

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

   240       # A reduced build is requested

   241       COMPILE_TYPE="reduced"

   242       OPENJDK_TARGET_CPU_BITS=32

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

   244         OPENJDK_TARGET_CPU=x86

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

   246         OPENJDK_TARGET_CPU=sparc

   247       else

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

   249       fi

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

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

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

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

   254     else

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

   256     fi

   257   fi

   258   AC_SUBST(COMPILE_TYPE)

   260   AC_MSG_CHECKING([compilation type])

   261   AC_MSG_RESULT([$COMPILE_TYPE])

   262 ])

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

   265 #

   266 AC_DEFUN([PLATFORM_SETUP_LEGACY_VARS],

   267 [

   268   # Also store the legacy naming of the cpu.

   269   # Ie i586 and amd64 instead of x86 and x86_64

   270   OPENJDK_TARGET_CPU_LEGACY="$OPENJDK_TARGET_CPU"

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

   272     OPENJDK_TARGET_CPU_LEGACY="i586"

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

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

   275     OPENJDK_TARGET_CPU_LEGACY="amd64"

   276   fi

   277   AC_SUBST(OPENJDK_TARGET_CPU_LEGACY)

   279   # And the second legacy naming of the cpu.

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

   281   OPENJDK_TARGET_CPU_LEGACY_LIB="$OPENJDK_TARGET_CPU"

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

   283     OPENJDK_TARGET_CPU_LEGACY_LIB="i386"

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

   285     OPENJDK_TARGET_CPU_LEGACY_LIB="amd64"

   286   fi

   287   AC_SUBST(OPENJDK_TARGET_CPU_LEGACY_LIB)

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

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

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

   292   OPENJDK_TARGET_CPU_LIBDIR="/$OPENJDK_TARGET_CPU_LEGACY_LIB"

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

   294     OPENJDK_TARGET_CPU_LIBDIR=""

   295   fi

   296   AC_SUBST(OPENJDK_TARGET_CPU_LIBDIR)

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

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

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

   301   OPENJDK_TARGET_CPU_ISADIR=""

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

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

   304       OPENJDK_TARGET_CPU_ISADIR="/amd64"

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

   306       OPENJDK_TARGET_CPU_ISADIR="/sparcv9"

   307     fi

   308   fi

   309   AC_SUBST(OPENJDK_TARGET_CPU_ISADIR)

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

   312   OPENJDK_TARGET_CPU_OSARCH="$OPENJDK_TARGET_CPU"

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

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

   315     OPENJDK_TARGET_CPU_OSARCH="i386"

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

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

   318     OPENJDK_TARGET_CPU_OSARCH="amd64"

   319   fi

   320   AC_SUBST(OPENJDK_TARGET_CPU_OSARCH)

   322   OPENJDK_TARGET_CPU_JLI="$OPENJDK_TARGET_CPU"

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

   324     OPENJDK_TARGET_CPU_JLI="i386"

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

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

   327     OPENJDK_TARGET_CPU_JLI="amd64"

   328   fi

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

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

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

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

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

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

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

   336     fi

   337   fi

   338   AC_SUBST(OPENJDK_TARGET_CPU_JLI_CFLAGS)

   340   # Setup OPENJDK_TARGET_OS_API_DIR, used in source paths.

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

   342     OPENJDK_TARGET_OS_API_DIR="solaris"

   343   fi

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

   345     OPENJDK_TARGET_OS_API_DIR="windows"

   346   fi

   347   AC_SUBST(OPENJDK_TARGET_OS_API_DIR)

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

   350       OPENJDK_TARGET_OS_EXPORT_DIR=macosx

   351   else

   352       OPENJDK_TARGET_OS_EXPORT_DIR=${OPENJDK_TARGET_OS_API_DIR}

   353   fi

   354   AC_SUBST(OPENJDK_TARGET_OS_EXPORT_DIR)

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

   357     A_LP64="LP64:="

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

   359     # unpack200.exe

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

   361       ADD_LP64="-D_LP64=1"

   362     fi

   363   fi

   364   AC_SUBST(LP64,$A_LP64)

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

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

   368     DEFINE_CROSS_COMPILE_ARCH="CROSS_COMPILE_ARCH:=$OPENJDK_TARGET_CPU_LEGACY"

   369   else

   370     DEFINE_CROSS_COMPILE_ARCH=""

   371   fi

   372   AC_SUBST(DEFINE_CROSS_COMPILE_ARCH)

   374   # ZERO_ARCHDEF is used to enable architecture-specific code

   375   case "${OPENJDK_TARGET_CPU}" in

   376     ppc)     ZERO_ARCHDEF=PPC32 ;;

   377     ppc64)   ZERO_ARCHDEF=PPC64 ;;

   378     s390*)   ZERO_ARCHDEF=S390  ;;

   379     sparc*)  ZERO_ARCHDEF=SPARC ;;

   380     x86_64*) ZERO_ARCHDEF=AMD64 ;;

   381     x86)     ZERO_ARCHDEF=IA32  ;;

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

   383   esac

   384   AC_SUBST(ZERO_ARCHDEF)

   385 ])

   387 AC_DEFUN([PLATFORM_SET_RELEASE_FILE_OS_VALUES],

   388 [

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

   390     REQUIRED_OS_NAME=SunOS

   391     REQUIRED_OS_VERSION=5.10

   392   fi

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

   394     REQUIRED_OS_NAME=Linux

   395     REQUIRED_OS_VERSION=2.6

   396   fi

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

   398     REQUIRED_OS_NAME=Windows

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

   400       REQUIRED_OS_VERSION=5.2

   401     else

   402       REQUIRED_OS_VERSION=5.1

   403     fi

   404   fi

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

   406     REQUIRED_OS_NAME=Darwin

   407     REQUIRED_OS_VERSION=11.2

   408   fi

   410   AC_SUBST(REQUIRED_OS_NAME)

   411   AC_SUBST(REQUIRED_OS_VERSION)

   412 ])

   414 #%%% Build and target systems %%%

   415 AC_DEFUN_ONCE([PLATFORM_SETUP_OPENJDK_BUILD_AND_TARGET],

   416 [

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

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

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

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

   421   # to use the configure naming style.

   422   AC_CANONICAL_BUILD

   423   AC_CANONICAL_HOST

   424   AC_CANONICAL_TARGET

   426   PLATFORM_EXTRACT_TARGET_AND_BUILD

   427   PLATFORM_SETUP_TARGET_CPU_BITS

   428   PLATFORM_SET_RELEASE_FILE_OS_VALUES

   429   PLATFORM_SETUP_LEGACY_VARS

   430 ])

   432 AC_DEFUN_ONCE([PLATFORM_SETUP_OPENJDK_BUILD_OS_VERSION],

   433 [

   434   ###############################################################################

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

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

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

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

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

   442   AC_SUBST(OS_VERSION_MAJOR)

   443   AC_SUBST(OS_VERSION_MINOR)

   444   AC_SUBST(OS_VERSION_MICRO)

   445 ])

   447 # Support macro for PLATFORM_SETUP_OPENJDK_TARGET_BITS.

   448 # Add -mX to various FLAGS variables.

   449 AC_DEFUN([PLATFORM_SET_COMPILER_TARGET_BITS_FLAGS],

   450 [

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

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

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

   454   # have been made to CFLAGS etc.

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

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

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

   459   CFLAGS="${CFLAGS}${ADDED_CFLAGS}"

   460   CXXFLAGS="${CXXFLAGS}${ADDED_CXXFLAGS}"

   461   LDFLAGS="${LDFLAGS}${ADDED_LDFLAGS}"

   463   CFLAGS_JDK="${CFLAGS_JDK}${ADDED_CFLAGS}"

   464   CXXFLAGS_JDK="${CXXFLAGS_JDK}${ADDED_CXXFLAGS}"

   465   LDFLAGS_JDK="${LDFLAGS_JDK}${ADDED_LDFLAGS}"

   466 ])

   468 AC_DEFUN_ONCE([PLATFORM_SETUP_OPENJDK_TARGET_BITS],

   469 [

   470   ###############################################################################

   471   #

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

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

   474   # is made at runtime.)

   475   #

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

   478     # Always specify -m flag on Solaris

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

   480     PLATFORM_SET_COMPILER_TARGET_BITS_FLAGS

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

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

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

   484       PLATFORM_SET_COMPILER_TARGET_BITS_FLAGS

   485     fi

   486   fi

   488   # Make compilation sanity check

   489   AC_CHECK_HEADERS([stdio.h], , [

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

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

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

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

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

   495     fi

   496     AC_MSG_ERROR([Cannot continue.])

   497   ])

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

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

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

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

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

   505   else

   506     TESTED_TARGET_CPU_BITS=`expr 8 \* $ac_cv_sizeof_int_p`

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

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

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

   511       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).])

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

   513       PLATFORM_SET_COMPILER_TARGET_BITS_FLAGS

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

   516       unset ac_cv_sizeof_int_p

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

   518       cat >>confdefs.h <<_ACEOF

   519 #undef SIZEOF_INT_P

   520 _ACEOF

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

   524       TESTED_TARGET_CPU_BITS=`expr 8 \* $ac_cv_sizeof_int_p`

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

   527         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)])

   528       fi

   529     fi

   530   fi

   532   AC_MSG_CHECKING([for target address size])

   533   AC_MSG_RESULT([$OPENJDK_TARGET_CPU_BITS bits])

   534 ])

   536 AC_DEFUN_ONCE([PLATFORM_SETUP_OPENJDK_TARGET_ENDIANNESS],

   537 [

   538   ###############################################################################

   539   #

   540   # Is the target little of big endian?

   541   #

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

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

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

   546   fi

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

   548     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)])

   549   fi

   550 ])

Mercurial > jdk8-mips64-public / file revision

common/autoconf/platform.m4@7f60c2d9823e

common/autoconf/platform.m4