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 #
  25 
  26 # $1 = compiler to test (CC or CXX)
  27 # $2 = human readable name of compiler (C or C++)
  28 AC_DEFUN([TOOLCHAIN_CHECK_COMPILER_VERSION],
  29 [
  30   COMPILER=[$]$1
  31   COMPILER_NAME=$2
  32 
  33   if test "x$OPENJDK_TARGET_OS" = xsolaris; then
  34     # Make sure we use the Sun Studio compiler and not gcc on Solaris, which won't work
  35     COMPILER_VERSION_TEST=`$COMPILER -V 2>&1 | $HEAD -n 1`
  36     $ECHO $COMPILER_VERSION_TEST | $GREP "^.*: Sun $COMPILER_NAME" > /dev/null
  37     if test $? -ne 0; then
  38       GCC_VERSION_TEST=`$COMPILER --version 2>&1 | $HEAD -n 1`
  39       
  40       AC_MSG_NOTICE([The $COMPILER_NAME compiler (located as $COMPILER) does not seem to be the required Sun Studio compiler.])
  41       AC_MSG_NOTICE([The result from running with -V was: "$COMPILER_VERSION_TEST" and with --version: "$GCC_VERSION_TEST"])
  42       AC_MSG_ERROR([Sun Studio compiler is required. Try setting --with-tools-dir.])
  43     else
  44       COMPILER_VERSION=`$ECHO $COMPILER_VERSION_TEST | $SED -n "s/^.*@<:@ ,\t@:>@$COMPILER_NAME@<:@ ,\t@:>@\(@<:@1-9@:>@\.@<:@0-9@:>@@<:@0-9@:>@*\).*/\1/p"`
  45       COMPILER_VENDOR="Sun Studio"
  46     fi
  47   elif test  "x$OPENJDK_TARGET_OS" = xwindows; then
  48     # First line typically looks something like:
  49     # Microsoft (R) 32-bit C/C++ Optimizing Compiler Version 16.00.30319.01 for 80x86
  50     COMPILER_VERSION_TEST=`$COMPILER 2>&1 | $HEAD -n 1`
  51     COMPILER_VERSION=`$ECHO $COMPILER_VERSION_TEST | $SED -n "s/^.*Version \(@<:@1-9@:>@@<:@0-9.@:>@*\) .*/\1/p"`
  52     COMPILER_VENDOR="Microsoft CL.EXE"
  53     COMPILER_CPU_TEST=`$ECHO $COMPILER_VERSION_TEST | $SED -n "s/^.* for \(.*\)$/\1/p"`
  54     if test "x$OPENJDK_TARGET_CPU" = "xx86"; then
  55       if test "x$COMPILER_CPU_TEST" != "x80x86"; then
  56         AC_MSG_ERROR([Target CPU mismatch. We are building for $OPENJDK_TARGET_CPU but CL is for "$COMPILER_CPU_TEST"; expected "80x86".])
  57       fi
  58     elif test "x$OPENJDK_TARGET_CPU" = "xx86_64"; then
  59       if test "x$COMPILER_CPU_TEST" != "xx64"; then
  60         AC_MSG_ERROR([Target CPU mismatch. We are building for $OPENJDK_TARGET_CPU but CL is for "$COMPILER_CPU_TEST"; expected "x64".])
  61       fi
  62     fi
  63   else
  64     COMPILER_VERSION_TEST=`$COMPILER --version 2>&1 | $HEAD -n 1`
  65     # Check that this is likely to be GCC.
  66     $COMPILER --version 2>&1 | $GREP "Free Software Foundation" > /dev/null
  67     if test $? -ne 0; then
  68       AC_MSG_NOTICE([The $COMPILER_NAME compiler (located as $COMPILER) does not seem to be the required GCC compiler.])
  69       AC_MSG_NOTICE([The result from running with --version was: "$COMPILER_VERSION_TEST"])
  70       AC_MSG_ERROR([GCC compiler is required. Try setting --with-tools-dir.])
  71     fi
  72     
  73     # First line typically looks something like:
  74     # gcc (Ubuntu/Linaro 4.5.2-8ubuntu4) 4.5.2
  75     COMPILER_VERSION=`$ECHO $COMPILER_VERSION_TEST | $SED -n "s/^.* \(@<:@1-9@:>@@<:@0-9.@:>@*\)/\1/p"`
  76     COMPILER_VENDOR=`$ECHO $COMPILER_VERSION_TEST | $SED -n "s/^\(.*\) @<:@1-9@:>@@<:@0-9.@:>@*/\1/p"`
  77   fi
  78   # This sets CC_VERSION or CXX_VERSION. (This comment is a grep marker)
  79   $1_VERSION="$COMPILER_VERSION"
  80   # This sets CC_VENDOR or CXX_VENDOR. (This comment is a grep marker)
  81   $1_VENDOR="$COMPILER_VENDOR"
  82 
  83   AC_MSG_NOTICE([Using $COMPILER_VENDOR $COMPILER_NAME compiler version $COMPILER_VERSION (located at $COMPILER)])
  84 ])
  85 
  86 
  87 AC_DEFUN_ONCE([TOOLCHAIN_SETUP_SYSROOT_AND_OUT_OPTIONS],
  88 [
  89 ###############################################################################
  90 #
  91 # Configure the development tool paths and potential sysroot.
  92 #
  93 AC_LANG(C++)
  94 
  95 # The option used to specify the target .o,.a or .so file.
  96 # When compiling, how to specify the to be created object file.
  97 CC_OUT_OPTION='-o$(SPACE)'
  98 # When linking, how to specify the to be created executable.
  99 EXE_OUT_OPTION='-o$(SPACE)'
 100 # When linking, how to specify the to be created dynamically linkable library.
 101 LD_OUT_OPTION='-o$(SPACE)'
 102 # When archiving, how to specify the to be create static archive for object files.
 103 AR_OUT_OPTION='rcs$(SPACE)'
 104 AC_SUBST(CC_OUT_OPTION)
 105 AC_SUBST(EXE_OUT_OPTION)
 106 AC_SUBST(LD_OUT_OPTION)
 107 AC_SUBST(AR_OUT_OPTION)
 108 ])
 109 
 110 # $1 = compiler to test (CC or CXX)
 111 # $2 = human readable name of compiler (C or C++)
 112 # $3 = list of compiler names to search for
 113 AC_DEFUN([TOOLCHAIN_FIND_COMPILER],
 114 [
 115   COMPILER_NAME=$2
 116 
 117   $1=
 118   # If TOOLS_DIR is set, check for all compiler names in there first
 119   # before checking the rest of the PATH.
 120   if test -n "$TOOLS_DIR"; then
 121     PATH_save="$PATH"
 122     PATH="$TOOLS_DIR"
 123     AC_PATH_PROGS(TOOLS_DIR_$1, $3)
 124     $1=$TOOLS_DIR_$1
 125     PATH="$PATH_save"
 126   fi
 127 
 128   # AC_PATH_PROGS can't be run multiple times with the same variable,
 129   # so create a new name for this run.
 130   if test "x[$]$1" = x; then
 131     AC_PATH_PROGS(POTENTIAL_$1, $3)
 132     $1=$POTENTIAL_$1
 133   fi
 134 
 135   if test "x[$]$1" = x; then
 136       HELP_MSG_MISSING_DEPENDENCY([devkit])
 137       AC_MSG_ERROR([Could not find a $COMPILER_NAME compiler. $HELP_MSG])
 138   fi
 139   BASIC_FIXUP_EXECUTABLE($1)
 140   AC_MSG_CHECKING([resolved symbolic links for $1])
 141   TEST_COMPILER="[$]$1"
 142   BASIC_REMOVE_SYMBOLIC_LINKS(TEST_COMPILER)
 143   AC_MSG_RESULT([$TEST_COMPILER])
 144   AC_MSG_CHECKING([if $1 is disguised ccache])
 145   
 146   COMPILER_BASENAME=`$BASENAME "$TEST_COMPILER"`
 147   if test "x$COMPILER_BASENAME" = "xccache"; then
 148     AC_MSG_RESULT([yes, trying to find proper $COMPILER_NAME compiler])
 149     # We /usr/lib/ccache in the path, so cc is a symlink to /usr/bin/ccache.
 150     # We want to control ccache invocation ourselves, so ignore this cc and try
 151     # searching again.
 152 
 153     # Remove the path to the fake ccache cc from the PATH
 154     RETRY_COMPILER_SAVED_PATH="$PATH"
 155     COMPILER_DIRNAME=`$DIRNAME [$]$1`
 156     PATH="`$ECHO $PATH | $SED -e "s,$COMPILER_DIRNAME,,g" -e "s,::,:,g" -e "s,^:,,g"`"
 157 
 158     # Try again looking for our compiler
 159     AC_CHECK_TOOLS(PROPER_COMPILER_$1, $3)
 160     BASIC_FIXUP_EXECUTABLE(PROPER_COMPILER_$1)
 161     PATH="$RETRY_COMPILER_SAVED_PATH"
 162 
 163     AC_MSG_CHECKING([for resolved symbolic links for $1])
 164     BASIC_REMOVE_SYMBOLIC_LINKS(PROPER_COMPILER_$1)
 165     AC_MSG_RESULT([$PROPER_COMPILER_$1])
 166     $1="$PROPER_COMPILER_$1"
 167   else
 168     AC_MSG_RESULT([no, keeping $1])
 169     $1="$TEST_COMPILER"
 170   fi
 171   TOOLCHAIN_CHECK_COMPILER_VERSION([$1], [$COMPILER_NAME])
 172 ])
 173 
 174 
 175 AC_DEFUN([TOOLCHAIN_SETUP_PATHS],
 176 [
 177 if test "x$OPENJDK_TARGET_OS" = "xwindows"; then
 178   TOOLCHAIN_SETUP_VISUAL_STUDIO_ENV
 179   TOOLCHAIN_SETUP_DXSDK
 180 fi
 181 
 182 AC_SUBST(MSVCR_DLL)
 183 
 184 # If --build AND --host is set, then the configure script will find any
 185 # cross compilation tools in the PATH. Cross compilation tools
 186 # follows the cross compilation standard where they are prefixed with ${host}.
 187 # For example the binary i686-sun-solaris2.10-gcc
 188 # will cross compile for i686-sun-solaris2.10
 189 # If neither of build and host is not set, then build=host and the
 190 # default compiler found in the path will be used.
 191 # Setting only --host, does not seem to be really supported.
 192 # Please set both --build and --host if you want to cross compile.
 193 
 194 if test "x$COMPILE_TYPE" = "xcross"; then
 195     # Now we to find a C/C++ compiler that can build executables for the build
 196     # platform. We can't use the AC_PROG_CC macro, since it can only be used
 197     # once. Also, we need to do this before adding a tools dir to the path,
 198     # otherwise we might pick up cross-compilers which don't use standard naming.
 199     # Otherwise, we'll set the BUILD_tools to the native tools, but that'll have
 200     # to wait until they are properly discovered.
 201     AC_PATH_PROGS(BUILD_CC, [cl cc gcc])
 202     BASIC_FIXUP_EXECUTABLE(BUILD_CC)
 203     AC_PATH_PROGS(BUILD_CXX, [cl CC g++])
 204     BASIC_FIXUP_EXECUTABLE(BUILD_CXX)
 205     AC_PATH_PROG(BUILD_LD, ld)
 206     BASIC_FIXUP_EXECUTABLE(BUILD_LD)
 207 fi
 208 AC_SUBST(BUILD_CC)
 209 AC_SUBST(BUILD_CXX)
 210 AC_SUBST(BUILD_LD)
 211 
 212 # If a devkit is found on the builddeps server, then prepend its path to the
 213 # PATH variable. If there are cross compilers available in the devkit, these
 214 # will be found by AC_PROG_CC et al.
 215 DEVKIT=
 216 BDEPS_CHECK_MODULE(DEVKIT, devkit, xxx,
 217                     [# Found devkit
 218                      PATH="$DEVKIT/bin:$PATH"
 219                      SYS_ROOT="$DEVKIT/${rewritten_target}/sys-root"
 220                      if test "x$x_includes" = "xNONE"; then
 221                          x_includes="$SYS_ROOT/usr/include/X11"
 222                      fi
 223                      if test "x$x_libraries" = "xNONE"; then
 224                          x_libraries="$SYS_ROOT/usr/lib"
 225                      fi
 226                     ],
 227                     [])
 228 
 229 if test "x$SYS_ROOT" != "x/" ; then                    
 230     CFLAGS="--sysroot=$SYS_ROOT $CFLAGS"
 231     CXXFLAGS="--sysroot=$SYS_ROOT $CXXFLAGS"
 232     OBJCFLAGS="--sysroot=$SYS_ROOT $OBJCFLAGS" 
 233     OBJCXXFLAGS="--sysroot=$SYS_ROOT $OBJCFLAGS" 
 234     CPPFLAGS="--sysroot=$SYS_ROOT $CPPFLAGS"
 235     LDFLAGS="--sysroot=$SYS_ROOT $LDFLAGS"
 236 fi
 237 
 238 # Store the CFLAGS etal passed to the configure script.
 239 ORG_CFLAGS="$CFLAGS"
 240 ORG_CXXFLAGS="$CXXFLAGS"
 241 ORG_OBJCFLAGS="$OBJCFLAGS"
 242 
 243 # autoconf magic only relies on PATH, so update it if tools dir is specified
 244 OLD_PATH="$PATH"
 245 if test "x$TOOLS_DIR" != x; then
 246   PATH=$TOOLS_DIR:$PATH
 247 fi
 248 
 249 
 250 ### Locate C compiler (CC)
 251 
 252 # On windows, only cl.exe is supported.
 253 # On Solaris, cc is preferred to gcc.
 254 # Elsewhere, gcc is preferred to cc.
 255 
 256 if test "x$CC" != x; then
 257   COMPILER_CHECK_LIST="$CC"
 258 elif test "x$OPENJDK_TARGET_OS" = "xwindows"; then
 259   COMPILER_CHECK_LIST="cl"
 260 elif test "x$OPENJDK_TARGET_OS" = "xsolaris"; then
 261   COMPILER_CHECK_LIST="cc gcc"
 262 else
 263   COMPILER_CHECK_LIST="gcc cc"
 264 fi
 265 
 266 TOOLCHAIN_FIND_COMPILER([CC],[C],[$COMPILER_CHECK_LIST])
 267 # Now that we have resolved CC ourself, let autoconf have its go at it
 268 AC_PROG_CC([$CC])
 269 
 270 ### Locate C++ compiler (CXX)
 271 
 272 if test "x$CXX" != x; then
 273   COMPILER_CHECK_LIST="$CXX"
 274 elif test "x$OPENJDK_TARGET_OS" = "xwindows"; then
 275   COMPILER_CHECK_LIST="cl"
 276 elif test "x$OPENJDK_TARGET_OS" = "xsolaris"; then
 277   COMPILER_CHECK_LIST="CC g++"
 278 else
 279   COMPILER_CHECK_LIST="g++ CC"
 280 fi
 281 
 282 TOOLCHAIN_FIND_COMPILER([CXX],[C++],[$COMPILER_CHECK_LIST])
 283 # Now that we have resolved CXX ourself, let autoconf have its go at it
 284 AC_PROG_CXX([$CXX])
 285 
 286 ### Locate other tools
 287 
 288 if test "x$OPENJDK_TARGET_OS" = xmacosx; then
 289     AC_PROG_OBJC
 290     BASIC_FIXUP_EXECUTABLE(OBJC)
 291 else
 292     OBJC=
 293 fi
 294 
 295 # Restore the flags to the user specified values.
 296 # This is necessary since AC_PROG_CC defaults CFLAGS to "-g -O2"
 297 CFLAGS="$ORG_CFLAGS"
 298 CXXFLAGS="$ORG_CXXFLAGS"
 299 OBJCFLAGS="$ORG_OBJCFLAGS"
 300 
 301 LD="$CC"
 302 LDEXE="$CC"
 303 LDCXX="$CXX"
 304 LDEXECXX="$CXX"
 305 AC_SUBST(LD)
 306 # LDEXE is the linker to use, when creating executables.
 307 AC_SUBST(LDEXE)
 308 # Linking C++ libraries.
 309 AC_SUBST(LDCXX)
 310 # Linking C++ executables.
 311 AC_SUBST(LDEXECXX)
 312 
 313 if test "x$OPENJDK_TARGET_OS" != xwindows; then
 314     AC_CHECK_TOOL(AR, ar)
 315     BASIC_FIXUP_EXECUTABLE(AR)
 316 fi
 317 if test "x$OPENJDK_TARGET_OS" = xmacosx; then
 318     ARFLAGS="-r"
 319 else
 320     ARFLAGS=""
 321 fi
 322 AC_SUBST(ARFLAGS)
 323 
 324 # For hotspot, we need these in Windows mixed path; other platforms keep them the same
 325 HOTSPOT_CXX="$CXX"
 326 HOTSPOT_LD="$LD"
 327 AC_SUBST(HOTSPOT_CXX)
 328 AC_SUBST(HOTSPOT_LD)
 329 
 330 COMPILER_NAME=gcc
 331 COMPILER_TYPE=CC
 332 AS_IF([test "x$OPENJDK_TARGET_OS" = xwindows], [
 333     # For now, assume that we are always compiling using cl.exe. 
 334     CC_OUT_OPTION=-Fo
 335     EXE_OUT_OPTION=-out:
 336     LD_OUT_OPTION=-out:
 337     AR_OUT_OPTION=-out:
 338     # On Windows, reject /usr/bin/link (as determined in CYGWIN_LINK), which is a cygwin
 339     # program for something completely different.
 340     AC_CHECK_PROG([WINLD], [link],[link],,, [$CYGWIN_LINK])
 341     # Since we must ignore the first found link, WINLD will contain
 342     # the full path to the link.exe program.
 343     BASIC_FIXUP_EXECUTABLE(WINLD)
 344     printf "Windows linker was found at $WINLD\n"
 345     AC_MSG_CHECKING([if the found link.exe is actually the Visual Studio linker])
 346     "$WINLD" --version > /dev/null
 347     if test $? -eq 0 ; then
 348       AC_MSG_RESULT([no])
 349       AC_MSG_ERROR([This is the Cygwin link tool. Please check your PATH and rerun configure.])
 350     else
 351       AC_MSG_RESULT([yes])
 352     fi
 353     LD="$WINLD"
 354     LDEXE="$WINLD"
 355     LDCXX="$WINLD"
 356     LDEXECXX="$WINLD"
 357 
 358     AC_CHECK_PROG([MT], [mt], [mt],,, [/usr/bin/mt])
 359     BASIC_FIXUP_EXECUTABLE(MT)
 360     # The resource compiler
 361     AC_CHECK_PROG([RC], [rc], [rc],,, [/usr/bin/rc])
 362     BASIC_FIXUP_EXECUTABLE(RC)
 363 
 364     # For hotspot, we need these in Windows mixed path,
 365     # so rewrite them all. Need added .exe suffix.
 366     HOTSPOT_CXX="$CXX.exe"
 367     HOTSPOT_LD="$LD.exe"
 368     HOTSPOT_MT="$MT.exe"
 369     HOTSPOT_RC="$RC.exe"
 370     BASIC_WINDOWS_REWRITE_AS_WINDOWS_MIXED_PATH(HOTSPOT_CXX)
 371     BASIC_WINDOWS_REWRITE_AS_WINDOWS_MIXED_PATH(HOTSPOT_LD)
 372     BASIC_WINDOWS_REWRITE_AS_WINDOWS_MIXED_PATH(HOTSPOT_MT)
 373     BASIC_WINDOWS_REWRITE_AS_WINDOWS_MIXED_PATH(HOTSPOT_RC)
 374     AC_SUBST(HOTSPOT_MT)
 375     AC_SUBST(HOTSPOT_RC)
 376 
 377     RC_FLAGS="-nologo -l 0x409 -r"
 378     AS_IF([test "x$VARIANT" = xOPT], [
 379         RC_FLAGS="$RC_FLAGS -d NDEBUG"
 380     ])
 381     JDK_UPDATE_VERSION_NOTNULL=$JDK_UPDATE_VERSION
 382     AS_IF([test "x$JDK_UPDATE_VERSION" = x], [
 383         JDK_UPDATE_VERSION_NOTNULL=0
 384     ])
 385     RC_FLAGS="$RC_FLAGS -d \"JDK_BUILD_ID=$FULL_VERSION\""
 386     RC_FLAGS="$RC_FLAGS -d \"JDK_COMPANY=$COMPANY_NAME\""
 387     RC_FLAGS="$RC_FLAGS -d \"JDK_COMPONENT=$PRODUCT_NAME $JDK_RC_PLATFORM_NAME binary\""
 388     RC_FLAGS="$RC_FLAGS -d \"JDK_VER=$JDK_MINOR_VERSION.$JDK_MICRO_VERSION.$JDK_UPDATE_VERSION_NOTNULL.$COOKED_BUILD_NUMBER\""
 389     RC_FLAGS="$RC_FLAGS -d \"JDK_COPYRIGHT=Copyright \xA9 $COPYRIGHT_YEAR\""
 390     RC_FLAGS="$RC_FLAGS -d \"JDK_NAME=$PRODUCT_NAME $JDK_RC_PLATFORM_NAME $JDK_MINOR_VERSION $JDK_UPDATE_META_TAG\""
 391     RC_FLAGS="$RC_FLAGS -d \"JDK_FVER=$JDK_MINOR_VERSION,$JDK_MICRO_VERSION,$JDK_UPDATE_VERSION_NOTNULL,$COOKED_BUILD_NUMBER\""
 392 
 393     # lib.exe is used to create static libraries.
 394     AC_CHECK_PROG([WINAR], [lib],[lib],,,)
 395     BASIC_FIXUP_EXECUTABLE(WINAR)
 396     AR="$WINAR"
 397     ARFLAGS="-nologo -NODEFAULTLIB:MSVCRT"
 398 
 399     AC_CHECK_PROG([DUMPBIN], [dumpbin], [dumpbin],,,)
 400     BASIC_FIXUP_EXECUTABLE(DUMPBIN)
 401 
 402     COMPILER_TYPE=CL
 403     CCXXFLAGS="$CCXXFLAGS -nologo"
 404 ])
 405 AC_SUBST(RC_FLAGS)
 406 AC_SUBST(COMPILER_TYPE)
 407 
 408 AC_PROG_CPP
 409 BASIC_FIXUP_EXECUTABLE(CPP)
 410 
 411 AC_PROG_CXXCPP
 412 BASIC_FIXUP_EXECUTABLE(CXXCPP)
 413 
 414 if test "x$COMPILE_TYPE" != "xcross"; then
 415     # If we are not cross compiling, use the same compilers for
 416     # building the build platform executables. The cross-compilation
 417     # case needed to be done earlier, but this can only be done after
 418     # the native tools have been localized.
 419     BUILD_CC="$CC"
 420     BUILD_CXX="$CXX"
 421     BUILD_LD="$LD"
 422 fi
 423 
 424 # for solaris we really need solaris tools, and not gnu equivalent
 425 #   these seems to normally reside in /usr/ccs/bin so add that to path before
 426 #   starting to probe
 427 #
 428 #   NOTE: I add this /usr/ccs/bin after TOOLS but before OLD_PATH
 429 #         so that it can be overriden --with-tools-dir
 430 if test "x$OPENJDK_BUILD_OS" = xsolaris; then
 431     PATH="${TOOLS_DIR}:/usr/ccs/bin:${OLD_PATH}"
 432 fi
 433 
 434 # Find the right assembler.
 435 if test "x$OPENJDK_TARGET_OS" = xsolaris; then
 436     AC_PATH_PROG(AS, as)
 437     BASIC_FIXUP_EXECUTABLE(AS)
 438 else
 439     AS="$CC -c"
 440 fi
 441 AC_SUBST(AS)
 442 
 443 if test "x$OPENJDK_TARGET_OS" = xsolaris; then
 444     AC_PATH_PROG(NM, nm)
 445     BASIC_FIXUP_EXECUTABLE(NM)
 446     AC_PATH_PROG(GNM, gnm)
 447     BASIC_FIXUP_EXECUTABLE(GNM)
 448     AC_PATH_PROG(STRIP, strip)
 449     BASIC_FIXUP_EXECUTABLE(STRIP)
 450     AC_PATH_PROG(MCS, mcs)
 451     BASIC_FIXUP_EXECUTABLE(MCS)
 452 elif test "x$OPENJDK_TARGET_OS" != xwindows; then
 453     AC_CHECK_TOOL(NM, nm)
 454     BASIC_FIXUP_EXECUTABLE(NM)
 455     GNM="$NM"
 456     AC_SUBST(GNM)
 457     AC_CHECK_TOOL(STRIP, strip)
 458     BASIC_FIXUP_EXECUTABLE(STRIP)
 459 fi
 460 
 461 # objcopy is used for moving debug symbols to separate files when
 462 # full debug symbols are enabled.
 463 if test "x$OPENJDK_TARGET_OS" = xsolaris || test "x$OPENJDK_TARGET_OS" = xlinux; then
 464     AC_CHECK_TOOLS(OBJCOPY, [gobjcopy objcopy])
 465     # Only call fixup if objcopy was found.
 466     if test -n "$OBJCOPY"; then
 467         BASIC_FIXUP_EXECUTABLE(OBJCOPY)
 468     fi
 469 fi
 470 
 471 AC_CHECK_TOOLS(OBJDUMP, [gobjdump objdump])
 472 if test "x$OBJDUMP" != x; then
 473   # Only used for compare.sh; we can live without it. BASIC_FIXUP_EXECUTABLE bails if argument is missing.
 474   BASIC_FIXUP_EXECUTABLE(OBJDUMP)
 475 fi
 476 
 477 if test "x$OPENJDK_TARGET_OS" = "xmacosx"; then
 478    AC_PATH_PROG(LIPO, lipo)
 479    BASIC_FIXUP_EXECUTABLE(LIPO)
 480 fi
 481 
 482 TOOLCHAIN_SETUP_JTREG
 483 
 484 # Restore old path without tools dir
 485 PATH="$OLD_PATH"
 486 ])
 487 
 488 
 489 AC_DEFUN_ONCE([TOOLCHAIN_SETUP_COMPILER_FLAGS_FOR_LIBS],
 490 [
 491 
 492 ###############################################################################
 493 #
 494 # How to compile shared libraries. 
 495 #
 496 
 497 if test "x$GCC" = xyes; then
 498     COMPILER_NAME=gcc
 499     PICFLAG="-fPIC"
 500     LIBRARY_PREFIX=lib
 501     SHARED_LIBRARY='lib[$]1.so'
 502     STATIC_LIBRARY='lib[$]1.a'
 503     SHARED_LIBRARY_FLAGS="-shared"
 504     SHARED_LIBRARY_SUFFIX='.so'
 505     STATIC_LIBRARY_SUFFIX='.a'
 506     OBJ_SUFFIX='.o'
 507     EXE_SUFFIX=''
 508     SET_SHARED_LIBRARY_NAME='-Xlinker -soname=[$]1'
 509     SET_SHARED_LIBRARY_MAPFILE='-Xlinker -version-script=[$]1'
 510     C_FLAG_REORDER=''
 511     CXX_FLAG_REORDER=''
 512     SET_SHARED_LIBRARY_ORIGIN='-Xlinker -z -Xlinker origin -Xlinker -rpath -Xlinker \$$$$ORIGIN[$]1'
 513     SET_EXECUTABLE_ORIGIN='-Xlinker -rpath -Xlinker \$$$$ORIGIN[$]1'
 514     LD="$CC"
 515     LDEXE="$CC"
 516     LDCXX="$CXX"
 517     LDEXECXX="$CXX"
 518     POST_STRIP_CMD="$STRIP -g"
 519 
 520     # Linking is different on MacOSX
 521     if test "x$OPENJDK_TARGET_OS" = xmacosx; then
 522         # Might change in the future to clang.
 523         COMPILER_NAME=gcc
 524         SHARED_LIBRARY='lib[$]1.dylib'
 525         SHARED_LIBRARY_FLAGS="-dynamiclib -compatibility_version 1.0.0 -current_version 1.0.0 $PICFLAG"
 526         SHARED_LIBRARY_SUFFIX='.dylib'
 527         EXE_SUFFIX=''
 528         SET_SHARED_LIBRARY_NAME='-Xlinker -install_name -Xlinker @rpath/[$]1' 
 529         SET_SHARED_LIBRARY_MAPFILE=''
 530         SET_SHARED_LIBRARY_ORIGIN='-Xlinker -rpath -Xlinker @loader_path/.'
 531         SET_EXECUTABLE_ORIGIN="$SET_SHARED_LIBRARY_ORIGIN"
 532         POST_STRIP_CMD="$STRIP -S"
 533     fi
 534 else
 535     if test "x$OPENJDK_TARGET_OS" = xsolaris; then
 536         # If it is not gcc, then assume it is the Oracle Solaris Studio Compiler
 537         COMPILER_NAME=ossc
 538         PICFLAG="-KPIC"
 539         LIBRARY_PREFIX=lib
 540         SHARED_LIBRARY='lib[$]1.so'
 541         STATIC_LIBRARY='lib[$]1.a'
 542         SHARED_LIBRARY_FLAGS="-G"
 543         SHARED_LIBRARY_SUFFIX='.so'
 544         STATIC_LIBRARY_SUFFIX='.a'
 545         OBJ_SUFFIX='.o'
 546         EXE_SUFFIX=''
 547         SET_SHARED_LIBRARY_NAME=''
 548         SET_SHARED_LIBRARY_MAPFILE='-M[$]1'
 549         C_FLAG_REORDER='-xF'
 550         CXX_FLAG_REORDER='-xF'
 551         SET_SHARED_LIBRARY_ORIGIN='-R\$$$$ORIGIN[$]1'
 552         SET_EXECUTABLE_ORIGIN="$SET_SHARED_LIBRARY_ORIGIN"
 553         CFLAGS_JDK="${CFLAGS_JDK} -D__solaris__"
 554         CXXFLAGS_JDK="${CXXFLAGS_JDK} -D__solaris__"
 555         CFLAGS_JDKLIB_EXTRA='-xstrconst'
 556         POST_STRIP_CMD="$STRIP -x"
 557         POST_MCS_CMD="$MCS -d -a \"JDK $FULL_VERSION\""
 558     fi
 559     if test "x$OPENJDK_TARGET_OS" = xwindows; then
 560         # If it is not gcc, then assume it is the MS Visual Studio compiler
 561         COMPILER_NAME=cl
 562         PICFLAG=""
 563         LIBRARY_PREFIX=
 564         SHARED_LIBRARY='[$]1.dll'
 565         STATIC_LIBRARY='[$]1.lib'
 566         SHARED_LIBRARY_FLAGS="-LD"
 567         SHARED_LIBRARY_SUFFIX='.dll'
 568         STATIC_LIBRARY_SUFFIX='.lib'
 569         OBJ_SUFFIX='.obj'
 570         EXE_SUFFIX='.exe'
 571         SET_SHARED_LIBRARY_NAME=''
 572         SET_SHARED_LIBRARY_MAPFILE=''
 573         SET_SHARED_LIBRARY_ORIGIN=''
 574         SET_EXECUTABLE_ORIGIN=''
 575     fi
 576 fi
 577 
 578 AC_SUBST(COMPILER_NAME)
 579 AC_SUBST(OBJ_SUFFIX)
 580 AC_SUBST(SHARED_LIBRARY)
 581 AC_SUBST(STATIC_LIBRARY)
 582 AC_SUBST(LIBRARY_PREFIX)
 583 AC_SUBST(SHARED_LIBRARY_SUFFIX)
 584 AC_SUBST(STATIC_LIBRARY_SUFFIX)
 585 AC_SUBST(EXE_SUFFIX)
 586 AC_SUBST(SHARED_LIBRARY_FLAGS)
 587 AC_SUBST(SET_SHARED_LIBRARY_NAME)
 588 AC_SUBST(SET_SHARED_LIBRARY_MAPFILE)
 589 AC_SUBST(C_FLAG_REORDER)
 590 AC_SUBST(CXX_FLAG_REORDER)
 591 AC_SUBST(SET_SHARED_LIBRARY_ORIGIN)
 592 AC_SUBST(SET_EXECUTABLE_ORIGIN)
 593 AC_SUBST(POST_STRIP_CMD)
 594 AC_SUBST(POST_MCS_CMD)
 595 
 596 # The (cross) compiler is now configured, we can now test capabilities
 597 # of the target platform.
 598 ])
 599 
 600 AC_DEFUN_ONCE([TOOLCHAIN_SETUP_COMPILER_FLAGS_FOR_OPTIMIZATION],
 601 [
 602 
 603 ###############################################################################
 604 #
 605 # Setup the opt flags for different compilers
 606 # and different operating systems.
 607 #
 608 
 609 #
 610 # NOTE: check for -mstackrealign needs to be below potential addition of -m32
 611 #
 612 if test "x$OPENJDK_TARGET_CPU_BITS" = x32 && test "x$OPENJDK_TARGET_OS" = xmacosx; then
 613     # On 32-bit MacOSX the OS requires C-entry points to be 16 byte aligned.
 614     # While waiting for a better solution, the current workaround is to use -mstackrealign.
 615     CFLAGS="$CFLAGS -mstackrealign"
 616     AC_MSG_CHECKING([if 32-bit compiler supports -mstackrealign])
 617     AC_LINK_IFELSE([AC_LANG_SOURCE([[int main() { return 0; }]])],
 618                    [
 619                         AC_MSG_RESULT([yes])
 620                    ],
 621                    [
 622                         AC_MSG_RESULT([no])
 623                         AC_MSG_ERROR([The selected compiler $CXX does not support -mstackrealign! Try to put another compiler in the path.])
 624                    ])
 625 fi
 626 
 627 C_FLAG_DEPS="-MMD -MF"
 628 CXX_FLAG_DEPS="-MMD -MF"
 629 
 630 case $COMPILER_TYPE in
 631   CC )
 632     D_FLAG="-g"
 633     case $COMPILER_NAME in
 634       gcc )
 635         case $OPENJDK_TARGET_OS in
 636           macosx )
 637             # On MacOSX we optimize for size, something
 638             # we should do for all platforms?
 639             C_O_FLAG_HI="-Os"
 640             C_O_FLAG_NORM="-Os"
 641             C_O_FLAG_NONE=""
 642             ;;
 643           *)
 644             C_O_FLAG_HI="-O3"
 645             C_O_FLAG_NORM="-O2"
 646             C_O_FLAG_NONE="-O0"
 647             CFLAGS_DEBUG_SYMBOLS="-g"
 648             CXXFLAGS_DEBUG_SYMBOLS="-g"
 649             if test "x$OPENJDK_TARGET_CPU_BITS" = "x64" && test "x$DEBUG_LEVEL" = "xfastdebug"; then
 650                CFLAGS_DEBUG_SYMBOLS="-g1"
 651                CXXFLAGS_DEBUG_SYMBOLS="-g1"
 652             fi
 653             ;;
 654         esac
 655         CXX_O_FLAG_HI="$C_O_FLAG_HI"
 656         CXX_O_FLAG_NORM="$C_O_FLAG_NORM"
 657         CXX_O_FLAG_NONE="$C_O_FLAG_NONE"
 658         ;;
 659       ossc )
 660         #
 661         # Forte has different names for this with their C++ compiler...
 662         #
 663         C_FLAG_DEPS="-xMMD -xMF"
 664         CXX_FLAG_DEPS="-xMMD -xMF"
 665 
 666         # Extra options used with HIGHEST
 667         #
 668         # WARNING: Use of OPTIMIZATION_LEVEL=HIGHEST in your Makefile needs to be
 669         #          done with care, there are some assumptions below that need to
 670         #          be understood about the use of pointers, and IEEE behavior.
 671         #
 672         # Use non-standard floating point mode (not IEEE 754)
 673         CC_HIGHEST="$CC_HIGHEST -fns"
 674         # Do some simplification of floating point arithmetic (not IEEE 754)
 675         CC_HIGHEST="$CC_HIGHEST -fsimple"
 676         # Use single precision floating point with 'float'
 677         CC_HIGHEST="$CC_HIGHEST -fsingle"
 678         # Assume memory references via basic pointer types do not alias
 679         #   (Source with excessing pointer casting and data access with mixed 
 680         #    pointer types are not recommended)
 681         CC_HIGHEST="$CC_HIGHEST -xalias_level=basic"
 682         # Use intrinsic or inline versions for math/std functions
 683         #   (If you expect perfect errno behavior, do not use this)
 684         CC_HIGHEST="$CC_HIGHEST -xbuiltin=%all"
 685         # Loop data dependency optimizations (need -xO3 or higher)
 686         CC_HIGHEST="$CC_HIGHEST -xdepend"
 687         # Pointer parameters to functions do not overlap
 688         #   (Similar to -xalias_level=basic usage, but less obvious sometimes.
 689         #    If you pass in multiple pointers to the same data, do not use this)
 690         CC_HIGHEST="$CC_HIGHEST -xrestrict"
 691         # Inline some library routines
 692         #   (If you expect perfect errno behavior, do not use this)
 693         CC_HIGHEST="$CC_HIGHEST -xlibmil"
 694         # Use optimized math routines
 695         #   (If you expect perfect errno behavior, do not use this)
 696         #  Can cause undefined external on Solaris 8 X86 on __sincos, removing for now
 697         #CC_HIGHEST="$CC_HIGHEST -xlibmopt"
 698 
 699         if test "x$OPENJDK_TARGET_CPU" = xsparc; then
 700           CFLAGS_JDK="${CFLAGS_JDK} -xmemalign=4s"
 701           CXXFLAGS_JDK="${CXXFLAGS_JDK} -xmemalign=4s"
 702         fi
 703 
 704         case $OPENJDK_TARGET_CPU_ARCH in
 705           x86)
 706             C_O_FLAG_HIGHEST="-xO4 -Wu,-O4~yz $CC_HIGHEST -xregs=no%frameptr"
 707             C_O_FLAG_HI="-xO4 -Wu,-O4~yz -xregs=no%frameptr"
 708             C_O_FLAG_NORM="-xO2 -Wu,-O2~yz -xregs=no%frameptr"
 709             C_O_FLAG_NONE="-xregs=no%frameptr"
 710             CXX_O_FLAG_HIGHEST="-xO4 -Qoption ube -O4~yz $CC_HIGHEST -xregs=no%frameptr"
 711             CXX_O_FLAG_HI="-xO4 -Qoption ube -O4~yz -xregs=no%frameptr"
 712             CXX_O_FLAG_NORM="-xO2 -Qoption ube -O2~yz -xregs=no%frameptr"
 713             CXX_O_FLAG_NONE="-xregs=no%frameptr"
 714             if test "x$OPENJDK_TARGET_CPU" = xx86; then
 715                C_O_FLAG_HIGHEST="$C_O_FLAG_HIGHEST -xchip=pentium"
 716                CXX_O_FLAG_HIGHEST="$CXX_O_FLAG_HIGHEST -xchip=pentium"
 717             fi
 718             ;;
 719           sparc)
 720             CFLAGS_JDKLIB_EXTRA="${CFLAGS_JDKLIB_EXTRA} -xregs=no%appl"
 721             CXXFLAGS_JDKLIB_EXTRA="${CXXFLAGS_JDKLIB_EXTRA} -xregs=no%appl"
 722             C_O_FLAG_HIGHEST="-xO4 -Wc,-Qrm-s -Wc,-Qiselect-T0 $CC_HIGHEST -xprefetch=auto,explicit -xchip=ultra"
 723             C_O_FLAG_HI="-xO4 -Wc,-Qrm-s -Wc,-Qiselect-T0"
 724             C_O_FLAG_NORM="-xO2 -Wc,-Qrm-s -Wc,-Qiselect-T0"
 725             C_O_FLAG_NONE=""
 726             CXX_O_FLAG_HIGHEST="-xO4 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0 $CC_HIGHEST -xprefetch=auto,explicit -xchip=ultra"
 727             CXX_O_FLAG_HI="-xO4 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0"
 728             CXX_O_FLAG_NORM="-xO2 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0"
 729             CXX_O_FLAG_NONE=""
 730             ;;
 731         esac
 732 
 733     CFLAGS_DEBUG_SYMBOLS="-g -xs"
 734     CXXFLAGS_DEBUG_SYMBOLS="-g0 -xs"
 735     esac
 736     ;;
 737   CL )
 738     D_FLAG=
 739     C_O_FLAG_HIGHEST="-O2"
 740     C_O_FLAG_HI="-O1"
 741     C_O_FLAG_NORM="-O1"
 742     C_O_FLAG_NONE="-Od"
 743     CXX_O_FLAG_HIGHEST="$C_O_FLAG_HIGHEST"
 744     CXX_O_FLAG_HI="$C_O_FLAG_HI"
 745     CXX_O_FLAG_NORM="$C_O_FLAG_NORM"
 746     CXX_O_FLAG_NONE="$C_O_FLAG_NONE"
 747     ;;
 748 esac
 749 
 750 if test -z "$C_O_FLAG_HIGHEST"; then
 751    C_O_FLAG_HIGHEST="$C_O_FLAG_HI"
 752 fi
 753 
 754 if test -z "$CXX_O_FLAG_HIGHEST"; then
 755    CXX_O_FLAG_HIGHEST="$CXX_O_FLAG_HI"
 756 fi
 757 
 758 AC_SUBST(C_O_FLAG_HIGHEST)
 759 AC_SUBST(C_O_FLAG_HI)
 760 AC_SUBST(C_O_FLAG_NORM)
 761 AC_SUBST(C_O_FLAG_NONE)
 762 AC_SUBST(CXX_O_FLAG_HIGHEST)
 763 AC_SUBST(CXX_O_FLAG_HI)
 764 AC_SUBST(CXX_O_FLAG_NORM)
 765 AC_SUBST(CXX_O_FLAG_NONE)
 766 AC_SUBST(C_FLAG_DEPS)
 767 AC_SUBST(CXX_FLAG_DEPS)
 768 ])
 769 
 770 AC_DEFUN_ONCE([TOOLCHAIN_SETUP_COMPILER_FLAGS_FOR_JDK],
 771 [
 772 
 773 if test "x$CFLAGS" != "x${ADDED_CFLAGS}"; then
 774    AC_MSG_WARN([Ignoring CFLAGS($CFLAGS) found in environment. Use --with-extra-cflags])
 775 fi
 776 
 777 if test "x$CXXFLAGS" != "x${ADDED_CXXFLAGS}"; then
 778    AC_MSG_WARN([Ignoring CXXFLAGS($CXXFLAGS) found in environment. Use --with-extra-cxxflags])
 779 fi
 780 
 781 if test "x$LDFLAGS" != "x${ADDED_LDFLAGS}"; then
 782    AC_MSG_WARN([Ignoring LDFLAGS($LDFLAGS) found in environment. Use --with-extra-ldflags])
 783 fi
 784 
 785 AC_ARG_WITH(extra-cflags, [AS_HELP_STRING([--with-extra-cflags],
 786     [extra flags to be used when compiling jdk c-files])])
 787 
 788 AC_ARG_WITH(extra-cxxflags, [AS_HELP_STRING([--with-extra-cxxflags],
 789     [extra flags to be used when compiling jdk c++-files])])
 790 
 791 AC_ARG_WITH(extra-ldflags, [AS_HELP_STRING([--with-extra-ldflags],
 792     [extra flags to be used when linking jdk])])
 793 
 794 CFLAGS_JDK="${CFLAGS_JDK} $with_extra_cflags"
 795 CXXFLAGS_JDK="${CXXFLAGS_JDK} $with_extra_cxxflags"
 796 LDFLAGS_JDK="${LDFLAGS_JDK} $with_extra_ldflags"
 797 
 798 # Hotspot needs these set in their legacy form
 799 LEGACY_EXTRA_CFLAGS=$with_extra_cflags
 800 LEGACY_EXTRA_CXXFLAGS=$with_extra_cxxflags
 801 LEGACY_EXTRA_LDFLAGS=$with_extra_ldflags
 802 
 803 AC_SUBST(LEGACY_EXTRA_CFLAGS)
 804 AC_SUBST(LEGACY_EXTRA_CXXFLAGS)
 805 AC_SUBST(LEGACY_EXTRA_LDFLAGS)
 806 
 807 ###############################################################################
 808 #
 809 # Now setup the CFLAGS and LDFLAGS for the JDK build.
 810 # Later we will also have CFLAGS and LDFLAGS for the hotspot subrepo build.
 811 #
 812 case $COMPILER_NAME in
 813       gcc )
 814           CCXXFLAGS_JDK="$CCXXFLAGS $CCXXFLAGS_JDK -W -Wall -Wno-unused -Wno-parentheses \
 815                           -pipe \
 816                           -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE"
 817           case $OPENJDK_TARGET_CPU_ARCH in
 818           arm )
 819             # on arm we don't prevent gcc to omit frame pointer but do prevent strict aliasing
 820             CFLAGS_JDK="${CFLAGS_JDK} -fno-strict-aliasing"
 821           ;;
 822           ppc )
 823             # on ppc we don't prevent gcc to omit frame pointer nor strict-aliasing
 824           ;;
 825           * )
 826             CCXXFLAGS_JDK="$CCXXFLAGS_JDK -fno-omit-frame-pointer"
 827             CFLAGS_JDK="${CFLAGS_JDK} -fno-strict-aliasing"
 828           ;;
 829           esac
 830           ;;
 831       ossc )
 832           CCXXFLAGS_JDK="$CCXXFLAGS $CCXXFLAGS_JDK -DTRACING -DMACRO_MEMSYS_OPS -DBREAKPTS"
 833           case $OPENJDK_TARGET_CPU_ARCH in
 834           x86 )
 835             CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DcpuIntel -Di586 -D$OPENJDK_TARGET_CPU_LEGACY_LIB"
 836             CFLAGS_JDK="$CFLAGS_JDK -erroff=E_BAD_PRAGMA_PACK_VALUE"
 837           ;;
 838           esac
 839 
 840           CFLAGS_JDK="$CFLAGS_JDK -xc99=%none -xCC -errshort=tags -Xa -v -mt -W0,-noglobal"
 841           CXXFLAGS_JDK="$CXXFLAGS_JDK -errtags=yes +w -mt -features=no%except -DCC_NOEX -norunpath -xnolib"
 842 
 843           LDFLAGS_JDK="$LDFLAGS_JDK -z defs -xildoff -ztext"
 844           LDFLAGS_CXX_JDK="$LDFLAGS_CXX_JDK -norunpath -xnolib"
 845           ;;
 846       cl )
 847           CCXXFLAGS_JDK="$CCXXFLAGS $CCXXFLAGS_JDK -Zi -MD -Zc:wchar_t- -W3 -wd4800 \
 848                -D_STATIC_CPPLIB -D_DISABLE_DEPRECATE_STATIC_CPPLIB -DWIN32_LEAN_AND_MEAN \
 849                -D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE \
 850                -DWIN32 -DIAL"
 851           case $OPENJDK_TARGET_CPU in
 852               x86 )
 853                   CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_X86_ -Dx86"
 854                   ;;
 855               x86_64 )
 856                   CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_AMD64_ -Damd64"
 857                   ;;
 858           esac
 859           ;;
 860 esac
 861 
 862 ###############################################################################
 863 
 864 CCXXFLAGS_JDK="$CCXXFLAGS_JDK $ADD_LP64"
 865 
 866 # The package path is used only on macosx?
 867 PACKAGE_PATH=/opt/local
 868 AC_SUBST(PACKAGE_PATH)
 869 
 870 if test "x$OPENJDK_TARGET_CPU_ENDIAN" = xlittle; then
 871     # The macro _LITTLE_ENDIAN needs to be defined the same to avoid the
 872     #   Sun C compiler warning message: warning: macro redefined: _LITTLE_ENDIAN
 873     #   (The Solaris X86 system defines this in file /usr/include/sys/isa_defs.h).
 874     #   Note: -Dmacro         is the same as    #define macro 1
 875     #         -Dmacro=      is the same as    #define macro
 876     if test "x$OPENJDK_TARGET_OS" = xsolaris; then
 877         CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_LITTLE_ENDIAN="
 878     else
 879         CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_LITTLE_ENDIAN"
 880     fi
 881 else
 882     CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_BIG_ENDIAN"
 883 fi
 884 if test "x$OPENJDK_TARGET_OS" = xlinux; then
 885     CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DLINUX"
 886 fi
 887 if test "x$OPENJDK_TARGET_OS" = xwindows; then
 888     CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DWINDOWS"
 889 fi
 890 if test "x$OPENJDK_TARGET_OS" = xsolaris; then
 891     CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DSOLARIS"
 892 fi
 893 if test "x$OPENJDK_TARGET_OS" = xmacosx; then
 894     CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DMACOSX -D_ALLBSD_SOURCE"
 895     # Setting these parameters makes it an error to link to macosx APIs that are 
 896     # newer than the given OS version and makes the linked binaries compatible even
 897     # if built on a newer version of the OS.
 898     # The expected format is X.Y.Z
 899     MACOSX_VERSION_MIN=10.7.0
 900     AC_SUBST(MACOSX_VERSION_MIN)
 901     # The macro takes the version with no dots, ex: 1070
 902     # Let the flags variables get resolved in make for easier override on make
 903     # command line.
 904     CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DMAC_OS_X_VERSION_MAX_ALLOWED=\$(subst .,,\$(MACOSX_VERSION_MIN)) -mmacosx-version-min=\$(MACOSX_VERSION_MIN)"
 905     LDFLAGS_JDK="$LDFLAGS_JDK -mmacosx-version-min=\$(MACOSX_VERSION_MIN)"
 906 fi
 907 if test "x$OPENJDK_TARGET_OS" = xbsd; then
 908     CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DBSD -D_ALLBSD_SOURCE"
 909 fi
 910 if test "x$DEBUG_LEVEL" = xrelease; then
 911     CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DNDEBUG"
 912     if test "x$OPENJDK_TARGET_OS" = xsolaris; then
 913         CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DTRIMMED"
 914     fi
 915 else
 916     CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DDEBUG"
 917 fi
 918 
 919 CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DARCH='\"$OPENJDK_TARGET_CPU_LEGACY\"' -D$OPENJDK_TARGET_CPU_LEGACY"
 920 CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DRELEASE='\"$RELEASE\"'"
 921 
 922 CCXXFLAGS_JDK="$CCXXFLAGS_JDK \
 923         -I${JDK_OUTPUTDIR}/include \
 924         -I${JDK_OUTPUTDIR}/include/$OPENJDK_TARGET_OS \
 925         -I${JDK_TOPDIR}/src/share/javavm/export \
 926         -I${JDK_TOPDIR}/src/$OPENJDK_TARGET_OS_API_DIR/javavm/export \
 927         -I${JDK_TOPDIR}/src/share/native/common \
 928         -I${JDK_TOPDIR}/src/$OPENJDK_TARGET_OS_API_DIR/native/common"
 929 
 930 # The shared libraries are compiled using the picflag.
 931 CFLAGS_JDKLIB="$CCXXFLAGS_JDK $CFLAGS_JDK $PICFLAG $CFLAGS_JDKLIB_EXTRA"
 932 CXXFLAGS_JDKLIB="$CCXXFLAGS_JDK $CXXFLAGS_JDK $PICFLAG $CXXFLAGS_JDKLIB_EXTRA "
 933 
 934 # Executable flags
 935 CFLAGS_JDKEXE="$CCXXFLAGS_JDK $CFLAGS_JDK"
 936 CXXFLAGS_JDKEXE="$CCXXFLAGS_JDK $CXXFLAGS_JDK"
 937 
 938 # Now this is odd. The JDK native libraries have to link against libjvm.so
 939 # On 32-bit machines there is normally two distinct libjvm.so:s, client and server.
 940 # Which should we link to? Are we lucky enough that the binary api to the libjvm.so library
 941 # is identical for client and server? Yes. Which is picked at runtime (client or server)?
 942 # Neither, since the chosen libjvm.so has already been loaded by the launcher, all the following
 943 # libraries will link to whatever is in memory. Yuck. 
 944 #
 945 # Thus we offer the compiler to find libjvm.so first in server then in client. It works. Ugh.
 946 if test "x$COMPILER_NAME" = xcl; then
 947     LDFLAGS_JDK="$LDFLAGS_JDK -nologo -opt:ref -incremental:no"
 948     if test "x$OPENJDK_TARGET_CPU" = xx86; then 
 949         LDFLAGS_JDK="$LDFLAGS_JDK -safeseh"
 950     fi
 951     # TODO: make -debug optional "--disable-full-debug-symbols"
 952     LDFLAGS_JDK="$LDFLAGS_JDK -debug"
 953     LDFLAGS_JDKLIB="${LDFLAGS_JDK} -dll -libpath:${JDK_OUTPUTDIR}/lib"
 954     LDFLAGS_JDKLIB_SUFFIX=""
 955     if test "x$OPENJDK_TARGET_CPU_BITS" = "x64"; then
 956         LDFLAGS_STACK_SIZE=1048576
 957     else
 958         LDFLAGS_STACK_SIZE=327680
 959     fi
 960     LDFLAGS_JDKEXE="${LDFLAGS_JDK} /STACK:$LDFLAGS_STACK_SIZE"
 961 else
 962     if test "x$COMPILER_NAME" = xgcc; then
 963         # If this is a --hash-style=gnu system, use --hash-style=both, why?
 964         HAS_GNU_HASH=`$CC -dumpspecs 2>/dev/null | $GREP 'hash-style=gnu'`
 965         if test -n "$HAS_GNU_HASH"; then
 966             LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker --hash-style=both "
 967         fi
 968         if test "x$OPENJDK_TARGET_OS" = xlinux; then 
 969           # And since we now know that the linker is gnu, then add -z defs, to forbid
 970           # undefined symbols in object files.
 971           LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker -z -Xlinker defs"
 972           if test "x$DEBUG_LEVEL" = "xrelease"; then
 973               # When building release libraries, tell the linker optimize them.
 974               # Should this be supplied to the OSS linker as well?
 975               LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker -O1"
 976           fi
 977         fi
 978     fi
 979     LDFLAGS_JDKLIB="${LDFLAGS_JDK} $SHARED_LIBRARY_FLAGS \
 980                     -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}"
 981 
 982     # On some platforms (mac) the linker warns about non existing -L dirs.
 983     # Add server first if available. Linking aginst client does not always produce the same results.
 984     # Only add client dir if client is being built. Add minimal (note not minimal1) if only building minimal1.
 985     # Default to server for other variants.
 986     if test "x$JVM_VARIANT_SERVER" = xtrue; then
 987         LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}/server"
 988     elif test "x$JVM_VARIANT_CLIENT" = xtrue; then
 989         LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}/client"
 990     elif test "x$JVM_VARIANT_MINIMAL1" = xtrue; then
 991         LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}/minimal"
 992     else
 993         LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}/server"
 994     fi
 995 
 996     LDFLAGS_JDKLIB_SUFFIX="-ljava -ljvm"
 997     if test "x$COMPILER_NAME" = xossc; then
 998         LDFLAGS_JDKLIB_SUFFIX="$LDFLAGS_JDKLIB_SUFFIX -lc"
 999     fi
1000 
1001     LDFLAGS_JDKEXE="${LDFLAGS_JDK}"
1002     if test "x$OPENJDK_TARGET_OS" = xlinux; then
1003         LDFLAGS_JDKEXE="$LDFLAGS_JDKEXE -Xlinker --allow-shlib-undefined"
1004     fi
1005 fi
1006 
1007 # Adjust flags according to debug level.
1008 case $DEBUG_LEVEL in
1009       fastdebug ) 
1010               CFLAGS="$CFLAGS $D_FLAG"
1011               JAVAC_FLAGS="$JAVAC_FLAGS -g"
1012               ;;
1013       slowdebug )
1014               CFLAGS="$CFLAGS $D_FLAG"
1015               C_O_FLAG_HI="$C_O_FLAG_NONE"
1016               C_O_FLAG_NORM="$C_O_FLAG_NONE"
1017               CXX_O_FLAG_HI="$CXX_O_FLAG_NONE"
1018               CXX_O_FLAG_NORM="$CXX_O_FLAG_NONE"
1019               JAVAC_FLAGS="$JAVAC_FLAGS -g"
1020               ;;
1021 esac              
1022 
1023                 
1024 AC_SUBST(CFLAGS_JDKLIB)
1025 AC_SUBST(CFLAGS_JDKEXE)
1026 
1027 AC_SUBST(CXXFLAGS_JDKLIB)
1028 AC_SUBST(CXXFLAGS_JDKEXE)
1029 
1030 AC_SUBST(LDFLAGS_JDKLIB)
1031 AC_SUBST(LDFLAGS_JDKEXE)
1032 AC_SUBST(LDFLAGS_JDKLIB_SUFFIX)
1033 AC_SUBST(LDFLAGS_JDKEXE_SUFFIX)
1034 AC_SUBST(LDFLAGS_CXX_JDK)
1035 ])
1036 
1037 
1038 # TOOLCHAIN_COMPILER_CHECK_ARGUMENTS([ARGUMENT], [RUN-IF-TRUE],
1039 #                                   [RUN-IF-FALSE])
1040 # ------------------------------------------------------------
1041 # Check that the c and c++ compilers support an argument
1042 AC_DEFUN([TOOLCHAIN_COMPILER_CHECK_ARGUMENTS],
1043 [
1044   AC_MSG_CHECKING([if compiler supports "$1"])
1045   supports=yes
1046 
1047   saved_cflags="$CFLAGS"
1048   CFLAGS="$CFLAGS $1"
1049   AC_LANG_PUSH([C])
1050   AC_COMPILE_IFELSE([
1051     AC_LANG_SOURCE([[int i;]])
1052   ], [], [supports=no])
1053   AC_LANG_POP([C])
1054   CFLAGS="$saved_cflags"
1055 
1056   saved_cxxflags="$CXXFLAGS"
1057   CXXFLAGS="$CXXFLAG $1"
1058   AC_LANG_PUSH([C++])
1059   AC_COMPILE_IFELSE([
1060     AC_LANG_SOURCE([[int i;]])
1061   ], [], [supports=no])
1062   AC_LANG_POP([C++])
1063   CXXFLAGS="$saved_cxxflags"
1064 
1065   AC_MSG_RESULT([$supports])
1066   if test "x$supports" = "xyes" ; then
1067     m4_ifval([$2], [$2], [:])
1068   else
1069     m4_ifval([$3], [$3], [:])
1070   fi
1071 ])
1072 
1073 AC_DEFUN_ONCE([TOOLCHAIN_SETUP_COMPILER_FLAGS_MISC],
1074 [
1075   # Some Zero and Shark settings.
1076   # ZERO_ARCHFLAG tells the compiler which mode to build for
1077   case "${OPENJDK_TARGET_CPU}" in
1078     s390)
1079       ZERO_ARCHFLAG="-m31"
1080       ;;
1081     *)
1082       ZERO_ARCHFLAG="-m${OPENJDK_TARGET_CPU_BITS}"
1083   esac
1084   TOOLCHAIN_COMPILER_CHECK_ARGUMENTS([$ZERO_ARCHFLAG], [], [ZERO_ARCHFLAG=""])
1085   AC_SUBST(ZERO_ARCHFLAG)
1086 
1087   # Check that the compiler supports -mX flags
1088   # Set COMPILER_SUPPORTS_TARGET_BITS_FLAG to 'true' if it does
1089   TOOLCHAIN_COMPILER_CHECK_ARGUMENTS([-m${OPENJDK_TARGET_CPU_BITS}],
1090     [COMPILER_SUPPORTS_TARGET_BITS_FLAG=true],
1091     [COMPILER_SUPPORTS_TARGET_BITS_FLAG=false])
1092   AC_SUBST(COMPILER_SUPPORTS_TARGET_BITS_FLAG)
1093 ])
1094 
1095 # Setup the JTREG paths 
1096 AC_DEFUN_ONCE([TOOLCHAIN_SETUP_JTREG], 
1097 [ 
1098   AC_ARG_WITH(jtreg, [AS_HELP_STRING([--with-jtreg], 
1099   [Regression Test Harness @<:@probed@:>@])]) 
1100  
1101   AC_MSG_CHECKING([for JTReg Regression Test Harness]) 
1102  
1103   if test "x$with_jtreg" != x; then 
1104     JT_HOME="$with_jtreg"
1105     BASIC_FIXUP_PATH([JT_HOME])
1106     AC_MSG_RESULT($JT_HOME)
1107  
1108     # jtreg win32 script works for everybody 
1109     JTREGEXE="$JT_HOME/win32/bin/jtreg"
1110     if test ! -f "$JTREGEXE"; then
1111       AC_MSG_ERROR([JTReg executable does not exist: $JTREGEXE])
1112     fi
1113   else 
1114     AC_MSG_RESULT(no)
1115   fi 
1116  
1117   AC_SUBST(JT_HOME) 
1118   AC_SUBST(JTREGEXE) 
1119 ])