jdk8-mips64-public: common/autoconf/flags.m4@7ba4e17574e0

8034788: Rewrite toolchain.m4 to support multiple toolchains per platform.
Reviewed-by: ihse, henryjen, erikj

1 #

     2 # Copyright (c) 2011, 2018, 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 AC_DEFUN_ONCE([FLAGS_SETUP_INIT_FLAGS],

    27 [

    28   # Option used to tell the compiler whether to create 32- or 64-bit executables

    29   if test "x$TOOLCHAIN_TYPE" = xxlc; then

    30     COMPILER_TARGET_BITS_FLAG="-q"

    31   else

    32     COMPILER_TARGET_BITS_FLAG="-m"

    33   fi

    34   AC_SUBST(COMPILER_TARGET_BITS_FLAG)

    36   # FIXME: figure out if we should select AR flags depending on OS or toolchain.

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

    38     ARFLAGS="-r"

    39   elif test "x$OPENJDK_TARGET_OS" = xaix; then

    40     ARFLAGS="-X64"

    41   elif test "x$OPENJDK_TARGET_OS" = xwindows; then

    42     # lib.exe is used as AR to create static libraries.

    43     ARFLAGS="-nologo -NODEFAULTLIB:MSVCRT"

    44   else

    45     ARFLAGS=""

    46   fi

    47   AC_SUBST(ARFLAGS)

    49   ## Setup strip.

    50   # FIXME: should this really be per platform, or should it be per toolchain type?

    51   # strip is not provided by clang or solstudio; so guessing platform makes most sense.

    52   # FIXME: we should really only export STRIPFLAGS from here, not POST_STRIP_CMD.

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

    54     STRIPFLAGS="-g"

    55   elif test "x$OPENJDK_TARGET_OS" = xsolaris; then

    56     STRIPFLAGS="-x"

    57   elif test "x$OPENJDK_TARGET_OS" = xmacosx; then

    58     STRIPFLAGS="-S"

    59   elif test "x$OPENJDK_TARGET_OS" = xaix; then

    60     STRIPFLAGS="-X32_64"

    61   fi

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

    64     POST_STRIP_CMD="$STRIP $STRIPFLAGS"

    65   fi

    66   AC_SUBST(POST_STRIP_CMD)

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

    69     # FIXME: break out into MCSFLAGS

    70     POST_MCS_CMD="$MCS -d -a \"JDK $FULL_VERSION\""

    71   fi

    72   AC_SUBST(POST_MCS_CMD)

    74   if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then

    75     CC_OUT_OPTION=-Fo

    76     EXE_OUT_OPTION=-out:

    77     LD_OUT_OPTION=-out:

    78     AR_OUT_OPTION=-out:

    79   else

    80     # The option used to specify the target .o,.a or .so file.

    81     # When compiling, how to specify the to be created object file.

    82     CC_OUT_OPTION='-o$(SPACE)'

    83     # When linking, how to specify the to be created executable.

    84     EXE_OUT_OPTION='-o$(SPACE)'

    85     # When linking, how to specify the to be created dynamically linkable library.

    86     LD_OUT_OPTION='-o$(SPACE)'

    87     # When archiving, how to specify the to be create static archive for object files.

    88     AR_OUT_OPTION='rcs$(SPACE)'

    89   fi

    90   AC_SUBST(CC_OUT_OPTION)

    91   AC_SUBST(EXE_OUT_OPTION)

    92   AC_SUBST(LD_OUT_OPTION)

    93   AC_SUBST(AR_OUT_OPTION)

    95   # On Windows, we need to set RC flags.

    96   if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then

    97     RC_FLAGS="-nologo -l 0x409 -r"

    98     if test "x$VARIANT" = xOPT; then

    99       RC_FLAGS="$RC_FLAGS -d NDEBUG"

   100     fi

   102     # The version variables used to create RC_FLAGS may be overridden

   103     # in a custom configure script, or possibly the command line.

   104     # Let those variables be expanded at make time in spec.gmk.

   105     # The \$ are escaped to the shell, and the $(...) variables

   106     # are evaluated by make.

   107     RC_FLAGS="$RC_FLAGS \

   108         -d \"JDK_BUILD_ID=\$(FULL_VERSION)\" \

   109         -d \"JDK_COMPANY=\$(COMPANY_NAME)\" \

   110         -d \"JDK_COMPONENT=\$(PRODUCT_NAME) \$(JDK_RC_PLATFORM_NAME) binary\" \

   111         -d \"JDK_VER=\$(JDK_MINOR_VERSION).\$(JDK_MICRO_VERSION).\$(if \$(JDK_UPDATE_VERSION),\$(JDK_UPDATE_VERSION),0).\$(COOKED_BUILD_NUMBER)\" \

   112         -d \"JDK_COPYRIGHT=Copyright \xA9 $COPYRIGHT_YEAR\" \

   113         -d \"JDK_NAME=\$(PRODUCT_NAME) \$(JDK_RC_PLATFORM_NAME) \$(JDK_MINOR_VERSION) \$(JDK_UPDATE_META_TAG)\" \

   114         -d \"JDK_FVER=\$(JDK_MINOR_VERSION),\$(JDK_MICRO_VERSION),\$(if \$(JDK_UPDATE_VERSION),\$(JDK_UPDATE_VERSION),0),\$(COOKED_BUILD_NUMBER)\""

   115   fi

   116   AC_SUBST(RC_FLAGS)

   118   if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then

   119     # FIXME: likely bug, should be CCXXFLAGS_JDK? or one for C or CXX.

   120     CCXXFLAGS="$CCXXFLAGS -nologo"

   121   fi

   122 ])

   124 AC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_FOR_LIBS],

   125 [

   126   ###############################################################################

   127   #

   128   # How to compile shared libraries.

   129   #

   131   if test "x$TOOLCHAIN_TYPE" = xgcc; then

   132     PICFLAG="-fPIC"

   133     C_FLAG_REORDER=''

   134     CXX_FLAG_REORDER=''

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

   137       # Linking is different on MacOSX

   138       SHARED_LIBRARY_FLAGS="-dynamiclib -compatibility_version 1.0.0 -current_version 1.0.0 $PICFLAG"

   139       SET_EXECUTABLE_ORIGIN='-Xlinker -rpath -Xlinker @loader_path/.'

   140       SET_SHARED_LIBRARY_ORIGIN="$SET_EXECUTABLE_ORIGIN"

   141       SET_SHARED_LIBRARY_NAME='-Xlinker -install_name -Xlinker @rpath/[$]1'

   142       SET_SHARED_LIBRARY_MAPFILE=''

   143     else

   144       # Default works for linux, might work on other platforms as well.

   145       SHARED_LIBRARY_FLAGS='-shared'

   146       SET_EXECUTABLE_ORIGIN='-Xlinker -rpath -Xlinker \$$$$ORIGIN[$]1'

   147       SET_SHARED_LIBRARY_ORIGIN="-Xlinker -z -Xlinker origin $SET_EXECUTABLE_ORIGIN"

   148       SET_SHARED_LIBRARY_NAME='-Xlinker -soname=[$]1'

   149       SET_SHARED_LIBRARY_MAPFILE='-Xlinker -version-script=[$]1'

   150     fi

   151   elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then

   152     PICFLAG="-KPIC"

   153     C_FLAG_REORDER='-xF'

   154     CXX_FLAG_REORDER='-xF'

   155     SHARED_LIBRARY_FLAGS="-G"

   156     SET_EXECUTABLE_ORIGIN='-R\$$$$ORIGIN[$]1'

   157     SET_SHARED_LIBRARY_ORIGIN="$SET_EXECUTABLE_ORIGIN"

   158     SET_SHARED_LIBRARY_NAME=''

   159     SET_SHARED_LIBRARY_MAPFILE='-M[$]1'

   160   elif test "x$TOOLCHAIN_TYPE" = xxlc; then

   161     PICFLAG="-qpic=large"

   162     C_FLAG_REORDER=''

   163     CXX_FLAG_REORDER=''

   164     SHARED_LIBRARY_FLAGS="-qmkshrobj"

   165     SET_EXECUTABLE_ORIGIN=""

   166     SET_SHARED_LIBRARY_ORIGIN=''

   167     SET_SHARED_LIBRARY_NAME=''

   168     SET_SHARED_LIBRARY_MAPFILE=''

   169   elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then

   170     PICFLAG=""

   171     C_FLAG_REORDER=''

   172     CXX_FLAG_REORDER=''

   173     SHARED_LIBRARY_FLAGS="-LD"

   174     SET_EXECUTABLE_ORIGIN=''

   175     SET_SHARED_LIBRARY_ORIGIN=''

   176     SET_SHARED_LIBRARY_NAME=''

   177     SET_SHARED_LIBRARY_MAPFILE=''

   178   fi

   180   AC_SUBST(C_FLAG_REORDER)

   181   AC_SUBST(CXX_FLAG_REORDER)

   182   AC_SUBST(SHARED_LIBRARY_FLAGS)

   183   AC_SUBST(SET_EXECUTABLE_ORIGIN)

   184   AC_SUBST(SET_SHARED_LIBRARY_ORIGIN)

   185   AC_SUBST(SET_SHARED_LIBRARY_NAME)

   186   AC_SUBST(SET_SHARED_LIBRARY_MAPFILE)

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

   189     CFLAGS_JDK="${CFLAGS_JDK} -D__solaris__"

   190     CXXFLAGS_JDK="${CXXFLAGS_JDK} -D__solaris__"

   191     CFLAGS_JDKLIB_EXTRA='-xstrconst'

   192   fi

   193   # The (cross) compiler is now configured, we can now test capabilities

   194   # of the target platform.

   195 ])

   197 # Documentation on common flags used for solstudio in HIGHEST.

   198 #

   199 # WARNING: Use of OPTIMIZATION_LEVEL=HIGHEST in your Makefile needs to be

   200 #          done with care, there are some assumptions below that need to

   201 #          be understood about the use of pointers, and IEEE behavior.

   202 #

   203 # -fns: Use non-standard floating point mode (not IEEE 754)

   204 # -fsimple: Do some simplification of floating point arithmetic (not IEEE 754)

   205 # -fsingle: Use single precision floating point with 'float'

   206 # -xalias_level=basic: Assume memory references via basic pointer types do not alias

   207 #   (Source with excessing pointer casting and data access with mixed

   208 #    pointer types are not recommended)

   209 # -xbuiltin=%all: Use intrinsic or inline versions for math/std functions

   210 #   (If you expect perfect errno behavior, do not use this)

   211 # -xdepend: Loop data dependency optimizations (need -xO3 or higher)

   212 # -xrestrict: Pointer parameters to functions do not overlap

   213 #   (Similar to -xalias_level=basic usage, but less obvious sometimes.

   214 #    If you pass in multiple pointers to the same data, do not use this)

   215 # -xlibmil: Inline some library routines

   216 #   (If you expect perfect errno behavior, do not use this)

   217 # -xlibmopt: Use optimized math routines (CURRENTLY DISABLED)

   218 #   (If you expect perfect errno behavior, do not use this)

   219 #  Can cause undefined external on Solaris 8 X86 on __sincos, removing for now

   221     # FIXME: this will never happen since sparc != sparcv9, ie 32 bit, which we don't build anymore.

   222     # Bug?

   223     #if test "x$OPENJDK_TARGET_CPU" = xsparc; then

   224     #  CFLAGS_JDK="${CFLAGS_JDK} -xmemalign=4s"

   225     #  CXXFLAGS_JDK="${CXXFLAGS_JDK} -xmemalign=4s"

   226     #fi

   228 AC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_FOR_OPTIMIZATION],

   229 [

   231   ###############################################################################

   232   #

   233   # Setup the opt flags for different compilers

   234   # and different operating systems.

   235   #

   237   # FIXME: this was indirectly the old default, but just inherited.

   238   # if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then

   239   #   C_FLAG_DEPS="-MMD -MF"

   240   # fi

   242   # Generate make dependency files

   243   if test "x$TOOLCHAIN_TYPE" = xgcc; then

   244     C_FLAG_DEPS="-MMD -MF"

   245   elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then

   246     C_FLAG_DEPS="-xMMD -xMF"

   247   elif test "x$TOOLCHAIN_TYPE" = xxlc; then

   248     C_FLAG_DEPS="-qmakedep=gcc -MF"

   249   fi

   250   CXX_FLAG_DEPS="$C_FLAG_DEPS"

   251   AC_SUBST(C_FLAG_DEPS)

   252   AC_SUBST(CXX_FLAG_DEPS)

   254   # Debug symbols

   255   if test "x$TOOLCHAIN_TYPE" = xgcc; then

   256     if test "x$OPENJDK_TARGET_CPU_BITS" = "x64" && test "x$DEBUG_LEVEL" = "xfastdebug"; then

   257       CFLAGS_DEBUG_SYMBOLS="-g1"

   258       CXXFLAGS_DEBUG_SYMBOLS="-g1"

   259     else

   260       CFLAGS_DEBUG_SYMBOLS="-g"

   261       CXXFLAGS_DEBUG_SYMBOLS="-g"

   262     fi

   263   elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then

   264     CFLAGS_DEBUG_SYMBOLS="-g -xs"

   265     CXXFLAGS_DEBUG_SYMBOLS="-g0 -xs"

   266   elif test "x$TOOLCHAIN_TYPE" = xxlc; then

   267     CFLAGS_DEBUG_SYMBOLS="-g"

   268     CXXFLAGS_DEBUG_SYMBOLS="-g"

   269   fi

   270   AC_SUBST(CFLAGS_DEBUG_SYMBOLS)

   271   AC_SUBST(CXXFLAGS_DEBUG_SYMBOLS)

   273   # Optimization levels

   274   if test "x$TOOLCHAIN_TYPE" = xsolstudio; then

   275     CC_HIGHEST="$CC_HIGHEST -fns -fsimple -fsingle -xalias_level=basic -xbuiltin=%all -xdepend -xrestrict -xlibmil"

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

   278       # FIXME: seems we always set -xregs=no%frameptr; put it elsewhere more global?

   279       C_O_FLAG_HIGHEST="-xO4 -Wu,-O4~yz $CC_HIGHEST -xregs=no%frameptr"

   280       C_O_FLAG_HI="-xO4 -Wu,-O4~yz -xregs=no%frameptr"

   281       C_O_FLAG_NORM="-xO2 -Wu,-O2~yz -xregs=no%frameptr"

   282       C_O_FLAG_NONE="-xregs=no%frameptr"

   283       CXX_O_FLAG_HIGHEST="-xO4 -Qoption ube -O4~yz $CC_HIGHEST -xregs=no%frameptr"

   284       CXX_O_FLAG_HI="-xO4 -Qoption ube -O4~yz -xregs=no%frameptr"

   285       CXX_O_FLAG_NORM="-xO2 -Qoption ube -O2~yz -xregs=no%frameptr"

   286       CXX_O_FLAG_NONE="-xregs=no%frameptr"

   287       if test "x$OPENJDK_TARGET_CPU_BITS" = "x32"; then

   288         C_O_FLAG_HIGHEST="$C_O_FLAG_HIGHEST -xchip=pentium"

   289         CXX_O_FLAG_HIGHEST="$CXX_O_FLAG_HIGHEST -xchip=pentium"

   290       fi

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

   292       C_O_FLAG_HIGHEST="-xO4 -Wc,-Qrm-s -Wc,-Qiselect-T0 $CC_HIGHEST -xprefetch=auto,explicit -xchip=ultra"

   293       C_O_FLAG_HI="-xO4 -Wc,-Qrm-s -Wc,-Qiselect-T0"

   294       C_O_FLAG_NORM="-xO2 -Wc,-Qrm-s -Wc,-Qiselect-T0"

   295       C_O_FLAG_NONE=""

   296       CXX_O_FLAG_HIGHEST="-xO4 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0 $CC_HIGHEST -xprefetch=auto,explicit -xchip=ultra"

   297       CXX_O_FLAG_HI="-xO4 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0"

   298       CXX_O_FLAG_NORM="-xO2 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0"

   299       CXX_O_FLAG_NONE=""

   300     fi

   301   else

   302     # The remaining toolchains share opt flags between CC and CXX;

   303     # setup for C and duplicate afterwards.

   304     if test "x$TOOLCHAIN_TYPE" = xgcc; then

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

   306         # On MacOSX we optimize for size, something

   307         # we should do for all platforms?

   308         C_O_FLAG_HIGHEST="-Os"

   309         C_O_FLAG_HI="-Os"

   310         C_O_FLAG_NORM="-Os"

   311         C_O_FLAG_NONE=""

   312       else

   313         C_O_FLAG_HIGHEST="-O3"

   314         C_O_FLAG_HI="-O3"

   315         C_O_FLAG_NORM="-O2"

   316         C_O_FLAG_NONE="-O0"

   317       fi

   318     elif test "x$TOOLCHAIN_TYPE" = xxlc; then

   319       C_O_FLAG_HIGHEST="-O3"

   320       C_O_FLAG_HI="-O3 -qstrict"

   321       C_O_FLAG_NORM="-O2"

   322       C_O_FLAG_NONE=""

   323     elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then

   324       C_O_FLAG_HIGHEST="-O2"

   325       C_O_FLAG_HI="-O1"

   326       C_O_FLAG_NORM="-O1"

   327       C_O_FLAG_NONE="-Od"

   328     fi

   329     CXX_O_FLAG_HIGHEST="$C_O_FLAG_HIGHEST"

   330     CXX_O_FLAG_HI="$C_O_FLAG_HI"

   331     CXX_O_FLAG_NORM="$C_O_FLAG_NORM"

   332     CXX_O_FLAG_NONE="$C_O_FLAG_NONE"

   333   fi

   335   AC_SUBST(C_O_FLAG_HIGHEST)

   336   AC_SUBST(C_O_FLAG_HI)

   337   AC_SUBST(C_O_FLAG_NORM)

   338   AC_SUBST(C_O_FLAG_NONE)

   339   AC_SUBST(CXX_O_FLAG_HIGHEST)

   340   AC_SUBST(CXX_O_FLAG_HI)

   341   AC_SUBST(CXX_O_FLAG_NORM)

   342   AC_SUBST(CXX_O_FLAG_NONE)

   343 ])

   345 AC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_FOR_JDK],

   346 [

   347   # Special extras...

   348   if test "x$TOOLCHAIN_TYPE" = xsolstudio; then

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

   350       CFLAGS_JDKLIB_EXTRA="${CFLAGS_JDKLIB_EXTRA} -xregs=no%appl"

   351       CXXFLAGS_JDKLIB_EXTRA="${CXXFLAGS_JDKLIB_EXTRA} -xregs=no%appl"

   352     fi

   353   elif test "x$TOOLCHAIN_TYPE" = xxlc; then

   354     LDFLAGS_JDK="${LDFLAGS_JDK} -q64 -brtl -bnolibpath -liconv -bexpall"

   355     CFLAGS_JDK="${CFLAGS_JDK} -qchars=signed -q64 -qfullpath -qsaveopt"

   356     CXXFLAGS_JDK="${CXXFLAGS_JDK} -qchars=signed -q64 -qfullpath -qsaveopt"

   357   elif test "x$TOOLCHAIN_TYPE" = xgcc; then

   358     $2CXXSTD_CXXFLAG="-std=gnu++98"

   359     FLAGS_CXX_COMPILER_CHECK_ARGUMENTS([[$]$2CXXSTD_CXXFLAG -Werror],

   360                                        [], [$2CXXSTD_CXXFLAG=""])

   361     $2CXXFLAGS_JDK="${$2CXXFLAGS_JDK} ${$2CXXSTD_CXXFLAG}"

   362     $2JVM_CFLAGS="${$2JVM_CFLAGS} ${$2CXXSTD_CXXFLAG}"

   363     AC_SUBST($2CXXSTD_CXXFLAG)

   364   fi

   366   if test "x$CFLAGS" != "x${ADDED_CFLAGS}"; then

   367     AC_MSG_WARN([Ignoring CFLAGS($CFLAGS) found in environment. Use --with-extra-cflags])

   368   fi

   370   if test "x$CXXFLAGS" != "x${ADDED_CXXFLAGS}"; then

   371     AC_MSG_WARN([Ignoring CXXFLAGS($CXXFLAGS) found in environment. Use --with-extra-cxxflags])

   372   fi

   374   if test "x$LDFLAGS" != "x${ADDED_LDFLAGS}"; then

   375     AC_MSG_WARN([Ignoring LDFLAGS($LDFLAGS) found in environment. Use --with-extra-ldflags])

   376   fi

   378   AC_ARG_WITH(extra-cflags, [AS_HELP_STRING([--with-extra-cflags],

   379       [extra flags to be used when compiling jdk c-files])])

   381   AC_ARG_WITH(extra-cxxflags, [AS_HELP_STRING([--with-extra-cxxflags],

   382       [extra flags to be used when compiling jdk c++-files])])

   384   AC_ARG_WITH(extra-ldflags, [AS_HELP_STRING([--with-extra-ldflags],

   385       [extra flags to be used when linking jdk])])

   387   CFLAGS_JDK="${CFLAGS_JDK} $with_extra_cflags"

   388   CXXFLAGS_JDK="${CXXFLAGS_JDK} $with_extra_cxxflags"

   389   LDFLAGS_JDK="${LDFLAGS_JDK} $with_extra_ldflags"

   391   # Hotspot needs these set in their legacy form

   392   LEGACY_EXTRA_CFLAGS=$with_extra_cflags

   393   LEGACY_EXTRA_CXXFLAGS=$with_extra_cxxflags

   394   LEGACY_EXTRA_LDFLAGS=$with_extra_ldflags

   396   AC_SUBST(LEGACY_EXTRA_CFLAGS)

   397   AC_SUBST(LEGACY_EXTRA_CXXFLAGS)

   398   AC_SUBST(LEGACY_EXTRA_LDFLAGS)

   400   ###############################################################################

   401   #

   402   # Now setup the CFLAGS and LDFLAGS for the JDK build.

   403   # Later we will also have CFLAGS and LDFLAGS for the hotspot subrepo build.

   404   #

   406   # Setup compiler/platform specific flags to CFLAGS_JDK,

   407   # CXXFLAGS_JDK and CCXXFLAGS_JDK (common to C and CXX?)

   408   if test "x$TOOLCHAIN_TYPE" = xgcc; then

   409     # these options are used for both C and C++ compiles

   410     CCXXFLAGS_JDK="$CCXXFLAGS $CCXXFLAGS_JDK -Wall -Wno-parentheses -Wextra -Wno-unused -Wno-unused-parameter -Wformat=2 \

   411         -pipe -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE"

   412     case $OPENJDK_TARGET_CPU_ARCH in

   413       arm )

   414         # on arm we don't prevent gcc to omit frame pointer but do prevent strict aliasing

   415         CFLAGS_JDK="${CFLAGS_JDK} -fno-strict-aliasing"

   416         ;;

   417       ppc )

   418         # on ppc we don't prevent gcc to omit frame pointer nor strict-aliasing

   419         ;;

   420       * )

   421         CCXXFLAGS_JDK="$CCXXFLAGS_JDK -fno-omit-frame-pointer"

   422         CFLAGS_JDK="${CFLAGS_JDK} -fno-strict-aliasing"

   423         ;;

   424     esac

   425     TOOLCHAIN_CHECK_COMPILER_VERSION(6, FLAGS_SETUP_GCC6_COMPILER_FLAGS)

   426   elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then

   427     CCXXFLAGS_JDK="$CCXXFLAGS $CCXXFLAGS_JDK -DTRACING -DMACRO_MEMSYS_OPS -DBREAKPTS"

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

   429       CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DcpuIntel -Di586 -D$OPENJDK_TARGET_CPU_LEGACY_LIB"

   430       CFLAGS_JDK="$CFLAGS_JDK -erroff=E_BAD_PRAGMA_PACK_VALUE"

   431     fi

   433     CFLAGS_JDK="$CFLAGS_JDK -xc99=%none -xCC -errshort=tags -Xa -v -mt -W0,-noglobal"

   434     CXXFLAGS_JDK="$CXXFLAGS_JDK -errtags=yes +w -mt -features=no%except -DCC_NOEX -norunpath -xnolib"

   435   elif test "x$TOOLCHAIN_TYPE" = xxlc; then

   436     CFLAGS_JDK="$CFLAGS_JDK -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE -DSTDC"

   437     CXXFLAGS_JDK="$CXXFLAGS_JDK -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE -DSTDC"

   438   elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then

   439     CCXXFLAGS_JDK="$CCXXFLAGS $CCXXFLAGS_JDK -Zi -MD -Zc:wchar_t- -W3 -wd4800 \

   440     -D_STATIC_CPPLIB -D_DISABLE_DEPRECATE_STATIC_CPPLIB -DWIN32_LEAN_AND_MEAN \

   441     -D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE \

   442     -DWIN32 -DIAL"

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

   444       CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_AMD64_ -Damd64"

   445     else

   446       CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_X86_ -Dx86"

   447     fi

   448   fi

   450   ###############################################################################

   452   # Adjust flags according to debug level.

   453   case $DEBUG_LEVEL in

   454     fastdebug )

   455       CFLAGS_JDK="$CFLAGS_JDK $CFLAGS_DEBUG_SYMBOLS"

   456       CXXFLAGS_JDK="$CXXFLAGS_JDK $CXXFLAGS_DEBUG_SYMBOLS"

   457       C_O_FLAG_HI="$C_O_FLAG_NORM"

   458       C_O_FLAG_NORM="$C_O_FLAG_NORM"

   459       CXX_O_FLAG_HI="$CXX_O_FLAG_NORM"

   460       CXX_O_FLAG_NORM="$CXX_O_FLAG_NORM"

   461       JAVAC_FLAGS="$JAVAC_FLAGS -g"

   462       ;;

   463     slowdebug )

   464       CFLAGS_JDK="$CFLAGS_JDK $CFLAGS_DEBUG_SYMBOLS"

   465       CXXFLAGS_JDK="$CXXFLAGS_JDK $CXXFLAGS_DEBUG_SYMBOLS"

   466       C_O_FLAG_HI="$C_O_FLAG_NONE"

   467       C_O_FLAG_NORM="$C_O_FLAG_NONE"

   468       CXX_O_FLAG_HI="$CXX_O_FLAG_NONE"

   469       CXX_O_FLAG_NORM="$CXX_O_FLAG_NONE"

   470       JAVAC_FLAGS="$JAVAC_FLAGS -g"

   471       ;;

   472   esac

   474   # Setup LP64

   475   CCXXFLAGS_JDK="$CCXXFLAGS_JDK $ADD_LP64"

   477   # Set some common defines. These works for all compilers, but assume

   478   # -D is universally accepted.

   480   # Setup endianness

   481   if test "x$OPENJDK_TARGET_CPU_ENDIAN" = xlittle; then

   482     # The macro _LITTLE_ENDIAN needs to be defined the same to avoid the

   483     #   Sun C compiler warning message: warning: macro redefined: _LITTLE_ENDIAN

   484     #   (The Solaris X86 system defines this in file /usr/include/sys/isa_defs.h).

   485     #   Note: -Dmacro         is the same as    #define macro 1

   486     #         -Dmacro=        is the same as    #define macro

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

   488       CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_LITTLE_ENDIAN="

   489     else

   490       CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_LITTLE_ENDIAN"

   491     fi

   492   else

   493     CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_BIG_ENDIAN"

   494   fi

   496   # Setup target OS define. Use OS target name but in upper case.

   497   OPENJDK_TARGET_OS_UPPERCASE=`$ECHO $OPENJDK_TARGET_OS | $TR 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`

   498   CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D$OPENJDK_TARGET_OS_UPPERCASE"

   500   # Setup target CPU

   501   CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DARCH='\"$OPENJDK_TARGET_CPU_LEGACY\"' -D$OPENJDK_TARGET_CPU_LEGACY"

   503   # Setup debug/release defines

   504   if test "x$DEBUG_LEVEL" = xrelease; then

   505     CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DNDEBUG"

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

   507       CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DTRIMMED"

   508     fi

   509   else

   510     CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DDEBUG"

   511   fi

   513   # Setup release name

   514   CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DRELEASE='\"\$(RELEASE)\"'"

   517   # Set some additional per-OS defines.

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

   519     CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_ALLBSD_SOURCE -D_DARWIN_UNLIMITED_SELECT"

   520   elif test "x$OPENJDK_TARGET_OS" = xaix; then

   521     # FIXME: PPC64 should not be here.

   522     CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DPPC64"

   523   elif test "x$OPENJDK_TARGET_OS" = xbsd; then

   524     CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_ALLBSD_SOURCE"

   525   fi

   527   # Additional macosx handling

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

   529     if test "x$TOOLCHAIN_TYPE" = xgcc; then

   530       # FIXME: This needs to be exported in spec.gmk due to closed legacy code.

   531       # FIXME: clean this up, and/or move it elsewhere.

   533       # Setting these parameters makes it an error to link to macosx APIs that are

   534       # newer than the given OS version and makes the linked binaries compatible

   535       # even if built on a newer version of the OS.

   536       # The expected format is X.Y.Z

   537       MACOSX_VERSION_MIN=10.7.0

   538       AC_SUBST(MACOSX_VERSION_MIN)

   540       # The macro takes the version with no dots, ex: 1070

   541       # Let the flags variables get resolved in make for easier override on make

   542       # command line.

   543       CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DMAC_OS_X_VERSION_MAX_ALLOWED=\$(subst .,,\$(MACOSX_VERSION_MIN)) -mmacosx-version-min=\$(MACOSX_VERSION_MIN)"

   544       LDFLAGS_JDK="$LDFLAGS_JDK -mmacosx-version-min=\$(MACOSX_VERSION_MIN)"

   545     fi

   546   fi

   548   # Setup some hard coded includes

   549   CCXXFLAGS_JDK="$CCXXFLAGS_JDK \

   550       -I${JDK_OUTPUTDIR}/include \

   551       -I${JDK_OUTPUTDIR}/include/$OPENJDK_TARGET_OS \

   552       -I${JDK_TOPDIR}/src/share/javavm/export \

   553       -I${JDK_TOPDIR}/src/$OPENJDK_TARGET_OS_EXPORT_DIR/javavm/export \

   554       -I${JDK_TOPDIR}/src/share/native/common \

   555       -I${JDK_TOPDIR}/src/$OPENJDK_TARGET_OS_API_DIR/native/common"

   557   # The shared libraries are compiled using the picflag.

   558   CFLAGS_JDKLIB="$CCXXFLAGS_JDK $CFLAGS_JDK $PICFLAG $CFLAGS_JDKLIB_EXTRA"

   559   CXXFLAGS_JDKLIB="$CCXXFLAGS_JDK $CXXFLAGS_JDK $PICFLAG $CXXFLAGS_JDKLIB_EXTRA "

   561   # Executable flags

   562   CFLAGS_JDKEXE="$CCXXFLAGS_JDK $CFLAGS_JDK"

   563   CXXFLAGS_JDKEXE="$CCXXFLAGS_JDK $CXXFLAGS_JDK"

   565   AC_SUBST(CFLAGS_JDKLIB)

   566   AC_SUBST(CFLAGS_JDKEXE)

   567   AC_SUBST(CXXFLAGS_JDKLIB)

   568   AC_SUBST(CXXFLAGS_JDKEXE)

   570   # Setup LDFLAGS et al.

   571   #

   572   # Now this is odd. The JDK native libraries have to link against libjvm.so

   573   # On 32-bit machines there is normally two distinct libjvm.so:s, client and server.

   574   # Which should we link to? Are we lucky enough that the binary api to the libjvm.so library

   575   # is identical for client and server? Yes. Which is picked at runtime (client or server)?

   576   # Neither, since the chosen libjvm.so has already been loaded by the launcher, all the following

   577   # libraries will link to whatever is in memory. Yuck.

   578   #

   579   # Thus we offer the compiler to find libjvm.so first in server then in client. It works. Ugh.

   580   if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then

   581     LDFLAGS_JDK="$LDFLAGS_JDK -nologo -opt:ref -incremental:no"

   582     if test "x$OPENJDK_TARGET_CPU_BITS" = "x32"; then

   583       LDFLAGS_JDK="$LDFLAGS_JDK -safeseh"

   584     fi

   585     # TODO: make -debug optional "--disable-full-debug-symbols"

   586     LDFLAGS_JDK="$LDFLAGS_JDK -debug"

   587     LDFLAGS_JDKLIB="${LDFLAGS_JDK} -dll -libpath:${JDK_OUTPUTDIR}/lib"

   588     LDFLAGS_JDKLIB_SUFFIX=""

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

   590       LDFLAGS_STACK_SIZE=1048576

   591     else

   592       LDFLAGS_STACK_SIZE=327680

   593     fi

   594     LDFLAGS_JDKEXE="${LDFLAGS_JDK} /STACK:$LDFLAGS_STACK_SIZE"

   595   else

   596     if test "x$TOOLCHAIN_TYPE" = xgcc; then

   597       # If this is a --hash-style=gnu system, use --hash-style=both, why?

   598       # We have previously set HAS_GNU_HASH if this is the case

   599       if test -n "$HAS_GNU_HASH"; then

   600         LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker --hash-style=both "

   601       fi

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

   603         # And since we now know that the linker is gnu, then add -z defs, to forbid

   604         # undefined symbols in object files.

   605         LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker -z -Xlinker defs"

   606         if test "x$DEBUG_LEVEL" = "xrelease"; then

   607           # When building release libraries, tell the linker optimize them.

   608           # Should this be supplied to the OSS linker as well?

   609           LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker -O1"

   610         fi

   611       fi

   612     fi

   614     if test "x$TOOLCHAIN_TYPE" = xsolstudio; then

   615       LDFLAGS_JDK="$LDFLAGS_JDK -z defs -xildoff -ztext"

   616       LDFLAGS_CXX_JDK="$LDFLAGS_CXX_JDK -norunpath -xnolib"

   617     fi

   619     LDFLAGS_JDKLIB="${LDFLAGS_JDK} $SHARED_LIBRARY_FLAGS \

   620         -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}"

   622     # On some platforms (mac) the linker warns about non existing -L dirs.

   623     # Add server first if available. Linking aginst client does not always produce the same results.

   624     # Only add client dir if client is being built. Add minimal (note not minimal1) if only building minimal1.

   625     # Default to server for other variants.

   626     if test "x$JVM_VARIANT_SERVER" = xtrue; then

   627       LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}/server"

   628     elif test "x$JVM_VARIANT_CLIENT" = xtrue; then

   629       LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}/client"

   630     elif test "x$JVM_VARIANT_MINIMAL1" = xtrue; then

   631       LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}/minimal"

   632     else

   633       LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}/server"

   634     fi

   636     LDFLAGS_JDKLIB_SUFFIX="-ljava -ljvm"

   637     if test "x$TOOLCHAIN_TYPE" = xsolstudio; then

   638       LDFLAGS_JDKLIB_SUFFIX="$LDFLAGS_JDKLIB_SUFFIX -lc"

   639     fi

   641     LDFLAGS_JDKEXE="${LDFLAGS_JDK}"

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

   643       LDFLAGS_JDKEXE="$LDFLAGS_JDKEXE -Xlinker --allow-shlib-undefined"

   644     fi

   645   fi

   646   AC_SUBST(LDFLAGS_JDKLIB)

   647   AC_SUBST(LDFLAGS_JDKEXE)

   648   AC_SUBST(LDFLAGS_JDKLIB_SUFFIX)

   649   AC_SUBST(LDFLAGS_JDKEXE_SUFFIX)

   650   AC_SUBST(LDFLAGS_CXX_JDK)

   651 ])

   654 # FLAGS_C_COMPILER_CHECK_ARGUMENTS([ARGUMENT], [RUN-IF-TRUE],

   655 #                                  [RUN-IF-FALSE])

   656 # ------------------------------------------------------------

   657 # Check that the C compiler supports an argument

   658 AC_DEFUN([FLAGS_C_COMPILER_CHECK_ARGUMENTS],

   659 [

   660   AC_MSG_CHECKING([if the C compiler supports "$1"])

   661   supports=yes

   663   saved_cflags="$CFLAGS"

   664   CFLAGS="$CFLAGS $1"

   665   AC_LANG_PUSH([C])

   666   AC_COMPILE_IFELSE([AC_LANG_SOURCE([[int i;]])], [],

   667       [supports=no])

   668   AC_LANG_POP([C])

   669   CFLAGS="$saved_cflags"

   671   AC_MSG_RESULT([$supports])

   672   if test "x$supports" = "xyes" ; then

   673     m4_ifval([$2], [$2], [:])

   674   else

   675     m4_ifval([$3], [$3], [:])

   676   fi

   677 ])

   679 # FLAGS_CXX_COMPILER_CHECK_ARGUMENTS([ARGUMENT], [RUN-IF-TRUE],

   680 #                                    [RUN-IF-FALSE])

   681 # ------------------------------------------------------------

   682 # Check that the C++ compiler supports an argument

   683 AC_DEFUN([FLAGS_CXX_COMPILER_CHECK_ARGUMENTS],

   684 [

   685   AC_MSG_CHECKING([if the C++ compiler supports "$1"])

   686   supports=yes

   688   saved_cxxflags="$CXXFLAGS"

   689   CXXFLAGS="$CXXFLAG $1"

   690   AC_LANG_PUSH([C++])

   691   AC_COMPILE_IFELSE([AC_LANG_SOURCE([[int i;]])], [],

   692       [supports=no])

   693   AC_LANG_POP([C++])

   694   CXXFLAGS="$saved_cxxflags"

   696   AC_MSG_RESULT([$supports])

   697   if test "x$supports" = "xyes" ; then

   698     m4_ifval([$2], [$2], [:])

   699   else

   700     m4_ifval([$3], [$3], [:])

   701   fi

   702 ])

   704 # FLAGS_COMPILER_CHECK_ARGUMENTS([ARGUMENT], [RUN-IF-TRUE],

   705 #                                [RUN-IF-FALSE])

   706 # ------------------------------------------------------------

   707 # Check that the C and C++ compilers support an argument

   708 AC_DEFUN([FLAGS_COMPILER_CHECK_ARGUMENTS],

   709 [

   710   FLAGS_C_COMPILER_CHECK_ARGUMENTS([$1],

   711                        [C_COMP_SUPPORTS="yes"],

   712                        [C_COMP_SUPPORTS="no"])

   713   FLAGS_CXX_COMPILER_CHECK_ARGUMENTS([$1],

   714                      [CXX_COMP_SUPPORTS="yes"],

   715                      [CXX_COMP_SUPPORTS="no"])

   717   AC_MSG_CHECKING([if both compilers support "$1"])

   718   supports=no

   719   if test "x$C_COMP_SUPPORTS" = "xyes" -a "x$CXX_COMP_SUPPORTS" = "xyes"; then supports=yes; fi

   721   AC_MSG_RESULT([$supports])

   722   if test "x$supports" = "xyes" ; then

   723     m4_ifval([$2], [$2], [:])

   724   else

   725     m4_ifval([$3], [$3], [:])

   726   fi

   727 ])

   729 AC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_MISC],

   730 [

   731   # Some Zero and Shark settings.

   732   # ZERO_ARCHFLAG tells the compiler which mode to build for

   733   case "${OPENJDK_TARGET_CPU}" in

   734     s390)

   735       ZERO_ARCHFLAG="${COMPILER_TARGET_BITS_FLAG}31"

   736       ;;

   737     *)

   738       ZERO_ARCHFLAG="${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}"

   739   esac

   740   FLAGS_COMPILER_CHECK_ARGUMENTS([$ZERO_ARCHFLAG], [], [ZERO_ARCHFLAG=""])

   741   AC_SUBST(ZERO_ARCHFLAG)

   743   # Check that the compiler supports -mX (or -qX on AIX) flags

   744   # Set COMPILER_SUPPORTS_TARGET_BITS_FLAG to 'true' if it does

   745   FLAGS_COMPILER_CHECK_ARGUMENTS([${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}],

   746       [COMPILER_SUPPORTS_TARGET_BITS_FLAG=true],

   747       [COMPILER_SUPPORTS_TARGET_BITS_FLAG=false])

   748   AC_SUBST(COMPILER_SUPPORTS_TARGET_BITS_FLAG)

   749 ])

   751 AC_DEFUN_ONCE([FLAGS_SETUP_GCC6_COMPILER_FLAGS],

   752 [

   753   # These flags are required for GCC 6 builds as undefined behaviour in OpenJDK code

   754   # runs afoul of the more aggressive versions of these optimisations.

   755   # Notably, value range propagation now assumes that the this pointer of C++

   756   # member functions is non-null.

   757   NO_DELETE_NULL_POINTER_CHECKS_CFLAG="-fno-delete-null-pointer-checks"

   758   FLAGS_COMPILER_CHECK_ARGUMENTS([$NO_DELETE_NULL_POINTER_CHECKS_CFLAG -Werror],

   759                                      [], [NO_DELETE_NULL_POINTER_CHECKS_CFLAG=""])

   760   AC_SUBST([NO_DELETE_NULL_POINTER_CHECKS_CFLAG])

   761   NO_LIFETIME_DSE_CFLAG="-fno-lifetime-dse"

   762   FLAGS_COMPILER_CHECK_ARGUMENTS([$NO_LIFETIME_DSE_CFLAG -Werror],

   763                                      [], [NO_LIFETIME_DSE_CFLAG=""])

   764   CFLAGS_JDK="${CFLAGS_JDK} ${NO_DELETE_NULL_POINTER_CHECKS_CFLAG} ${NO_LIFETIME_DSE_CFLAG}"

   765   AC_SUBST([NO_LIFETIME_DSE_CFLAG])

   766 ])

Mercurial > jdk8-mips64-public / file revision

common/autoconf/flags.m4@7ba4e17574e0

common/autoconf/flags.m4