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 # Store the CFLAGS etal passed to the configure script.
 230 ORG_CFLAGS="$CFLAGS"
 231 ORG_CXXFLAGS="$CXXFLAGS"
 232 ORG_OBJCFLAGS="$OBJCFLAGS"
 233 
 234 # autoconf magic only relies on PATH, so update it if tools dir is specified
 235 OLD_PATH="$PATH"
 236 if test "x$TOOLS_DIR" != x; then
 237   PATH=$TOOLS_DIR:$PATH
 238 fi
 239 
 240 
 241 ### Locate C compiler (CC)
 242 
 243 # On windows, only cl.exe is supported.
 244 # On Solaris, cc is preferred to gcc.
 245 # Elsewhere, gcc is preferred to cc.
 246 
 247 if test "x$CC" != x; then
 248   COMPILER_CHECK_LIST="$CC"
 249 elif test "x$OPENJDK_TARGET_OS" = "xwindows"; then
 250   COMPILER_CHECK_LIST="cl"
 251 elif test "x$OPENJDK_TARGET_OS" = "xsolaris"; then
 252   COMPILER_CHECK_LIST="cc gcc"
 253 else
 254   COMPILER_CHECK_LIST="gcc cc"
 255 fi
 256 
 257 TOOLCHAIN_FIND_COMPILER([CC],[C],[$COMPILER_CHECK_LIST])
 258 # Now that we have resolved CC ourself, let autoconf have its go at it
 259 AC_PROG_CC([$CC])
 260 
 261 ### Locate C++ compiler (CXX)
 262 
 263 if test "x$CXX" != x; then
 264   COMPILER_CHECK_LIST="$CXX"
 265 elif test "x$OPENJDK_TARGET_OS" = "xwindows"; then
 266   COMPILER_CHECK_LIST="cl"
 267 elif test "x$OPENJDK_TARGET_OS" = "xsolaris"; then
 268   COMPILER_CHECK_LIST="CC g++"
 269 else
 270   COMPILER_CHECK_LIST="g++ CC"
 271 fi
 272 
 273 TOOLCHAIN_FIND_COMPILER([CXX],[C++],[$COMPILER_CHECK_LIST])
 274 # Now that we have resolved CXX ourself, let autoconf have its go at it
 275 AC_PROG_CXX([$CXX])
 276 
 277 ### Locate other tools
 278 
 279 if test "x$OPENJDK_TARGET_OS" = xmacosx; then
 280     AC_PROG_OBJC
 281     BASIC_FIXUP_EXECUTABLE(OBJC)
 282 else
 283     OBJC=
 284 fi
 285 
 286 # Restore the flags to the user specified values.
 287 # This is necessary since AC_PROG_CC defaults CFLAGS to "-g -O2"
 288 CFLAGS="$ORG_CFLAGS"
 289 CXXFLAGS="$ORG_CXXFLAGS"
 290 OBJCFLAGS="$ORG_OBJCFLAGS"
 291 
 292 LD="$CC"
 293 LDEXE="$CC"
 294 LDCXX="$CXX"
 295 LDEXECXX="$CXX"
 296 AC_SUBST(LD)
 297 # LDEXE is the linker to use, when creating executables.
 298 AC_SUBST(LDEXE)
 299 # Linking C++ libraries.
 300 AC_SUBST(LDCXX)
 301 # Linking C++ executables.
 302 AC_SUBST(LDEXECXX)
 303 
 304 if test "x$OPENJDK_TARGET_OS" != xwindows; then
 305     AC_CHECK_TOOL(AR, ar)
 306     BASIC_FIXUP_EXECUTABLE(AR)
 307 fi
 308 if test "x$OPENJDK_TARGET_OS" = xmacosx; then
 309     ARFLAGS="-r"
 310 else
 311     ARFLAGS=""
 312 fi
 313 AC_SUBST(ARFLAGS)
 314 
 315 # For hotspot, we need these in Windows mixed path; other platforms keep them the same
 316 HOTSPOT_CXX="$CXX"
 317 HOTSPOT_LD="$LD"
 318 AC_SUBST(HOTSPOT_CXX)
 319 AC_SUBST(HOTSPOT_LD)
 320 
 321 COMPILER_NAME=gcc
 322 COMPILER_TYPE=CC
 323 AS_IF([test "x$OPENJDK_TARGET_OS" = xwindows], [
 324     # For now, assume that we are always compiling using cl.exe.
 325     CC_OUT_OPTION=-Fo
 326     EXE_OUT_OPTION=-out:
 327     LD_OUT_OPTION=-out:
 328     AR_OUT_OPTION=-out:
 329     # On Windows, reject /usr/bin/link (as determined in CYGWIN_LINK), which is a cygwin
 330     # program for something completely different.
 331     AC_CHECK_PROG([WINLD], [link],[link],,, [$CYGWIN_LINK])
 332     # Since we must ignore the first found link, WINLD will contain
 333     # the full path to the link.exe program.
 334     BASIC_FIXUP_EXECUTABLE(WINLD)
 335     printf "Windows linker was found at $WINLD\n"
 336     AC_MSG_CHECKING([if the found link.exe is actually the Visual Studio linker])
 337     "$WINLD" --version > /dev/null
 338     if test $? -eq 0 ; then
 339       AC_MSG_RESULT([no])
 340       AC_MSG_ERROR([This is the Cygwin link tool. Please check your PATH and rerun configure.])
 341     else
 342       AC_MSG_RESULT([yes])
 343     fi
 344     LD="$WINLD"
 345     LDEXE="$WINLD"
 346     LDCXX="$WINLD"
 347     LDEXECXX="$WINLD"
 348 
 349     AC_CHECK_PROG([MT], [mt], [mt],,, [/usr/bin/mt])
 350     BASIC_FIXUP_EXECUTABLE(MT)
 351     # The resource compiler
 352     AC_CHECK_PROG([RC], [rc], [rc],,, [/usr/bin/rc])
 353     BASIC_FIXUP_EXECUTABLE(RC)
 354 
 355     # For hotspot, we need these in Windows mixed path,
 356     # so rewrite them all. Need added .exe suffix.
 357     HOTSPOT_CXX="$CXX.exe"
 358     HOTSPOT_LD="$LD.exe"
 359     HOTSPOT_MT="$MT.exe"
 360     HOTSPOT_RC="$RC.exe"
 361     BASIC_WINDOWS_REWRITE_AS_WINDOWS_MIXED_PATH(HOTSPOT_CXX)
 362     BASIC_WINDOWS_REWRITE_AS_WINDOWS_MIXED_PATH(HOTSPOT_LD)
 363     BASIC_WINDOWS_REWRITE_AS_WINDOWS_MIXED_PATH(HOTSPOT_MT)
 364     BASIC_WINDOWS_REWRITE_AS_WINDOWS_MIXED_PATH(HOTSPOT_RC)
 365     AC_SUBST(HOTSPOT_MT)
 366     AC_SUBST(HOTSPOT_RC)
 367 
 368     RC_FLAGS="-nologo -l 0x409 -r"
 369     AS_IF([test "x$VARIANT" = xOPT], [
 370         RC_FLAGS="$RC_FLAGS -d NDEBUG"
 371     ])
 372     JDK_UPDATE_VERSION_NOTNULL=$JDK_UPDATE_VERSION
 373     AS_IF([test "x$JDK_UPDATE_VERSION" = x], [
 374         JDK_UPDATE_VERSION_NOTNULL=0
 375     ])
 376     RC_FLAGS="$RC_FLAGS -d \"JDK_BUILD_ID=$FULL_VERSION\""
 377     RC_FLAGS="$RC_FLAGS -d \"JDK_COMPANY=$COMPANY_NAME\""
 378     RC_FLAGS="$RC_FLAGS -d \"JDK_COMPONENT=$PRODUCT_NAME $JDK_RC_PLATFORM_NAME binary\""
 379     RC_FLAGS="$RC_FLAGS -d \"JDK_VER=$JDK_MINOR_VERSION.$JDK_MICRO_VERSION.$JDK_UPDATE_VERSION_NOTNULL.$COOKED_BUILD_NUMBER\""
 380     RC_FLAGS="$RC_FLAGS -d \"JDK_COPYRIGHT=Copyright \xA9 $COPYRIGHT_YEAR\""
 381     RC_FLAGS="$RC_FLAGS -d \"JDK_NAME=$PRODUCT_NAME $JDK_RC_PLATFORM_NAME $JDK_MINOR_VERSION $JDK_UPDATE_META_TAG\""
 382     RC_FLAGS="$RC_FLAGS -d \"JDK_FVER=$JDK_MINOR_VERSION,$JDK_MICRO_VERSION,$JDK_UPDATE_VERSION_NOTNULL,$COOKED_BUILD_NUMBER\""
 383 
 384     # lib.exe is used to create static libraries.
 385     AC_CHECK_PROG([WINAR], [lib],[lib],,,)
 386     BASIC_FIXUP_EXECUTABLE(WINAR)
 387     AR="$WINAR"
 388     ARFLAGS="-nologo -NODEFAULTLIB:MSVCRT"
 389 
 390     AC_CHECK_PROG([DUMPBIN], [dumpbin], [dumpbin],,,)
 391     BASIC_FIXUP_EXECUTABLE(DUMPBIN)
 392 
 393     COMPILER_TYPE=CL
 394     CCXXFLAGS="$CCXXFLAGS -nologo"
 395 ])
 396 AC_SUBST(RC_FLAGS)
 397 AC_SUBST(COMPILER_TYPE)
 398 
 399 AC_PROG_CPP
 400 BASIC_FIXUP_EXECUTABLE(CPP)
 401 
 402 AC_PROG_CXXCPP
 403 BASIC_FIXUP_EXECUTABLE(CXXCPP)
 404 
 405 if test "x$COMPILE_TYPE" != "xcross"; then
 406     # If we are not cross compiling, use the same compilers for
 407     # building the build platform executables. The cross-compilation
 408     # case needed to be done earlier, but this can only be done after
 409     # the native tools have been localized.
 410     BUILD_CC="$CC"
 411     BUILD_CXX="$CXX"
 412     BUILD_LD="$LD"
 413 fi
 414 
 415 # for solaris we really need solaris tools, and not gnu equivalent
 416 #   these seems to normally reside in /usr/ccs/bin so add that to path before
 417 #   starting to probe
 418 #
 419 #   NOTE: I add this /usr/ccs/bin after TOOLS but before OLD_PATH
 420 #         so that it can be overriden --with-tools-dir
 421 if test "x$OPENJDK_BUILD_OS" = xsolaris; then
 422     PATH="${TOOLS_DIR}:/usr/ccs/bin:${OLD_PATH}"
 423 fi
 424 
 425 # Find the right assembler.
 426 if test "x$OPENJDK_TARGET_OS" = xsolaris; then
 427     AC_PATH_PROG(AS, as)
 428     BASIC_FIXUP_EXECUTABLE(AS)
 429 else
 430     AS="$CC -c"
 431 fi
 432 AC_SUBST(AS)
 433 
 434 if test "x$OPENJDK_TARGET_OS" = xsolaris; then
 435     AC_PATH_PROG(NM, nm)
 436     BASIC_FIXUP_EXECUTABLE(NM)
 437     AC_PATH_PROG(GNM, gnm)
 438     BASIC_FIXUP_EXECUTABLE(GNM)
 439     AC_PATH_PROG(STRIP, strip)
 440     BASIC_FIXUP_EXECUTABLE(STRIP)
 441     AC_PATH_PROG(MCS, mcs)
 442     BASIC_FIXUP_EXECUTABLE(MCS)
 443 elif test "x$OPENJDK_TARGET_OS" != xwindows; then
 444     AC_CHECK_TOOL(NM, nm)
 445     BASIC_FIXUP_EXECUTABLE(NM)
 446     GNM="$NM"
 447     AC_SUBST(GNM)
 448     AC_CHECK_TOOL(STRIP, strip)
 449     BASIC_FIXUP_EXECUTABLE(STRIP)
 450 fi
 451 
 452 # objcopy is used for moving debug symbols to separate files when
 453 # full debug symbols are enabled.
 454 if test "x$OPENJDK_TARGET_OS" = xsolaris || test "x$OPENJDK_TARGET_OS" = xlinux; then
 455     AC_CHECK_TOOLS(OBJCOPY, [gobjcopy objcopy])
 456     # Only call fixup if objcopy was found.
 457     if test -n "$OBJCOPY"; then
 458         BASIC_FIXUP_EXECUTABLE(OBJCOPY)
 459     fi
 460 fi
 461 
 462 AC_CHECK_TOOLS(OBJDUMP, [gobjdump objdump])
 463 if test "x$OBJDUMP" != x; then
 464   # Only used for compare.sh; we can live without it. BASIC_FIXUP_EXECUTABLE bails if argument is missing.
 465   BASIC_FIXUP_EXECUTABLE(OBJDUMP)
 466 fi
 467 
 468 if test "x$OPENJDK_TARGET_OS" = "xmacosx"; then
 469    AC_PATH_PROG(LIPO, lipo)
 470    BASIC_FIXUP_EXECUTABLE(LIPO)
 471 fi
 472 
 473 TOOLCHAIN_SETUP_JTREG
 474 
 475 # Restore old path without tools dir
 476 PATH="$OLD_PATH"
 477 ])
 478 
 479 
 480 AC_DEFUN_ONCE([TOOLCHAIN_SETUP_COMPILER_FLAGS_FOR_LIBS],
 481 [
 482 
 483 ###############################################################################
 484 #
 485 # How to compile shared libraries.
 486 #
 487 
 488 if test "x$GCC" = xyes; then
 489     COMPILER_NAME=gcc
 490     PICFLAG="-fPIC"
 491     LIBRARY_PREFIX=lib
 492     SHARED_LIBRARY='lib[$]1.so'
 493     STATIC_LIBRARY='lib[$]1.a'
 494     SHARED_LIBRARY_FLAGS="-shared"
 495     SHARED_LIBRARY_SUFFIX='.so'
 496     STATIC_LIBRARY_SUFFIX='.a'
 497     OBJ_SUFFIX='.o'
 498     EXE_SUFFIX=''
 499     SET_SHARED_LIBRARY_NAME='-Xlinker -soname=[$]1'
 500     SET_SHARED_LIBRARY_MAPFILE='-Xlinker -version-script=[$]1'
 501     C_FLAG_REORDER=''
 502     CXX_FLAG_REORDER=''
 503     SET_SHARED_LIBRARY_ORIGIN='-Xlinker -z -Xlinker origin -Xlinker -rpath -Xlinker \$$$$ORIGIN[$]1'
 504     SET_EXECUTABLE_ORIGIN='-Xlinker -rpath -Xlinker \$$$$ORIGIN[$]1'
 505     LD="$CC"
 506     LDEXE="$CC"
 507     LDCXX="$CXX"
 508     LDEXECXX="$CXX"
 509     POST_STRIP_CMD="$STRIP -g"
 510 
 511     # Linking is different on MacOSX
 512     if test "x$OPENJDK_TARGET_OS" = xmacosx; then
 513         # Might change in the future to clang.
 514         COMPILER_NAME=gcc
 515         SHARED_LIBRARY='lib[$]1.dylib'
 516         SHARED_LIBRARY_FLAGS="-dynamiclib -compatibility_version 1.0.0 -current_version 1.0.0 $PICFLAG"
 517         SHARED_LIBRARY_SUFFIX='.dylib'
 518         EXE_SUFFIX=''
 519         SET_SHARED_LIBRARY_NAME='-Xlinker -install_name -Xlinker @rpath/[$]1'
 520         SET_SHARED_LIBRARY_MAPFILE=''
 521         SET_SHARED_LIBRARY_ORIGIN='-Xlinker -rpath -Xlinker @loader_path/.'
 522         SET_EXECUTABLE_ORIGIN="$SET_SHARED_LIBRARY_ORIGIN"
 523         POST_STRIP_CMD="$STRIP -S"
 524     fi
 525 else
 526     if test "x$OPENJDK_TARGET_OS" = xsolaris; then
 527         # If it is not gcc, then assume it is the Oracle Solaris Studio Compiler
 528         COMPILER_NAME=ossc
 529         PICFLAG="-KPIC"
 530         LIBRARY_PREFIX=lib
 531         SHARED_LIBRARY='lib[$]1.so'
 532         STATIC_LIBRARY='lib[$]1.a'
 533         SHARED_LIBRARY_FLAGS="-G"
 534         SHARED_LIBRARY_SUFFIX='.so'
 535         STATIC_LIBRARY_SUFFIX='.a'
 536         OBJ_SUFFIX='.o'
 537         EXE_SUFFIX=''
 538         SET_SHARED_LIBRARY_NAME=''
 539         SET_SHARED_LIBRARY_MAPFILE='-M[$]1'
 540         C_FLAG_REORDER='-xF'
 541         CXX_FLAG_REORDER='-xF'
 542         SET_SHARED_LIBRARY_ORIGIN='-R\$$$$ORIGIN[$]1'
 543         SET_EXECUTABLE_ORIGIN="$SET_SHARED_LIBRARY_ORIGIN"
 544         CFLAGS_JDK="${CFLAGS_JDK} -D__solaris__"
 545         CXXFLAGS_JDK="${CXXFLAGS_JDK} -D__solaris__"
 546         CFLAGS_JDKLIB_EXTRA='-xstrconst'
 547         POST_STRIP_CMD="$STRIP -x"
 548         POST_MCS_CMD="$MCS -d -a \"JDK $FULL_VERSION\""
 549     fi
 550     if test "x$OPENJDK_TARGET_OS" = xwindows; then
 551         # If it is not gcc, then assume it is the MS Visual Studio compiler
 552         COMPILER_NAME=cl
 553         PICFLAG=""
 554         LIBRARY_PREFIX=
 555         SHARED_LIBRARY='[$]1.dll'
 556         STATIC_LIBRARY='[$]1.lib'
 557         SHARED_LIBRARY_FLAGS="-LD"
 558         SHARED_LIBRARY_SUFFIX='.dll'
 559         STATIC_LIBRARY_SUFFIX='.lib'
 560         OBJ_SUFFIX='.obj'
 561         EXE_SUFFIX='.exe'
 562         SET_SHARED_LIBRARY_NAME=''
 563         SET_SHARED_LIBRARY_MAPFILE=''
 564         SET_SHARED_LIBRARY_ORIGIN=''
 565         SET_EXECUTABLE_ORIGIN=''
 566     fi
 567 fi
 568 
 569 AC_SUBST(COMPILER_NAME)
 570 AC_SUBST(OBJ_SUFFIX)
 571 AC_SUBST(SHARED_LIBRARY)
 572 AC_SUBST(STATIC_LIBRARY)
 573 AC_SUBST(LIBRARY_PREFIX)
 574 AC_SUBST(SHARED_LIBRARY_SUFFIX)
 575 AC_SUBST(STATIC_LIBRARY_SUFFIX)
 576 AC_SUBST(EXE_SUFFIX)
 577 AC_SUBST(SHARED_LIBRARY_FLAGS)
 578 AC_SUBST(SET_SHARED_LIBRARY_NAME)
 579 AC_SUBST(SET_SHARED_LIBRARY_MAPFILE)
 580 AC_SUBST(C_FLAG_REORDER)
 581 AC_SUBST(CXX_FLAG_REORDER)
 582 AC_SUBST(SET_SHARED_LIBRARY_ORIGIN)
 583 AC_SUBST(SET_EXECUTABLE_ORIGIN)
 584 AC_SUBST(POST_STRIP_CMD)
 585 AC_SUBST(POST_MCS_CMD)
 586 
 587 # The (cross) compiler is now configured, we can now test capabilities
 588 # of the target platform.
 589 ])
 590 
 591 AC_DEFUN_ONCE([TOOLCHAIN_SETUP_COMPILER_FLAGS_FOR_OPTIMIZATION],
 592 [
 593 
 594 ###############################################################################
 595 #
 596 # Setup the opt flags for different compilers
 597 # and different operating systems.
 598 #
 599 
 600 #
 601 # NOTE: check for -mstackrealign needs to be below potential addition of -m32
 602 #
 603 if test "x$OPENJDK_TARGET_CPU_BITS" = x32 && test "x$OPENJDK_TARGET_OS" = xmacosx; then
 604     # On 32-bit MacOSX the OS requires C-entry points to be 16 byte aligned.
 605     # While waiting for a better solution, the current workaround is to use -mstackrealign.
 606     CFLAGS="$CFLAGS -mstackrealign"
 607     AC_MSG_CHECKING([if 32-bit compiler supports -mstackrealign])
 608     AC_LINK_IFELSE([AC_LANG_SOURCE([[int main() { return 0; }]])],
 609                    [
 610                         AC_MSG_RESULT([yes])
 611                    ],
 612                    [
 613                         AC_MSG_RESULT([no])
 614                         AC_MSG_ERROR([The selected compiler $CXX does not support -mstackrealign! Try to put another compiler in the path.])
 615                    ])
 616 fi
 617 
 618 C_FLAG_DEPS="-MMD -MF"
 619 CXX_FLAG_DEPS="-MMD -MF"
 620 
 621 case $COMPILER_TYPE in
 622   CC )
 623     case $COMPILER_NAME in
 624       gcc )
 625         case $OPENJDK_TARGET_OS in
 626           macosx )
 627             # On MacOSX we optimize for size, something
 628             # we should do for all platforms?
 629             C_O_FLAG_HI="-Os"
 630             C_O_FLAG_NORM="-Os"
 631             C_O_FLAG_NONE=""
 632             ;;
 633           *)
 634             C_O_FLAG_HI="-O3"
 635             C_O_FLAG_NORM="-O2"
 636             C_O_FLAG_NONE="-O0"
 637             ;;
 638         esac
 639         CXX_O_FLAG_HI="$C_O_FLAG_HI"
 640         CXX_O_FLAG_NORM="$C_O_FLAG_NORM"
 641         CXX_O_FLAG_NONE="$C_O_FLAG_NONE"
 642         CFLAGS_DEBUG_SYMBOLS="-g"
 643         CXXFLAGS_DEBUG_SYMBOLS="-g"
 644         if test "x$OPENJDK_TARGET_CPU_BITS" = "x64" && test "x$DEBUG_LEVEL" = "xfastdebug"; then
 645             CFLAGS_DEBUG_SYMBOLS="-g1"
 646             CXXFLAGS_DEBUG_SYMBOLS="-g1"
 647         fi
 648         ;;
 649       ossc )
 650         #
 651         # Forte has different names for this with their C++ compiler...
 652         #
 653         C_FLAG_DEPS="-xMMD -xMF"
 654         CXX_FLAG_DEPS="-xMMD -xMF"
 655 
 656         # Extra options used with HIGHEST
 657         #
 658         # WARNING: Use of OPTIMIZATION_LEVEL=HIGHEST in your Makefile needs to be
 659         #          done with care, there are some assumptions below that need to
 660         #          be understood about the use of pointers, and IEEE behavior.
 661         #
 662         # Use non-standard floating point mode (not IEEE 754)
 663         CC_HIGHEST="$CC_HIGHEST -fns"
 664         # Do some simplification of floating point arithmetic (not IEEE 754)
 665         CC_HIGHEST="$CC_HIGHEST -fsimple"
 666         # Use single precision floating point with 'float'
 667         CC_HIGHEST="$CC_HIGHEST -fsingle"
 668         # Assume memory references via basic pointer types do not alias
 669         #   (Source with excessing pointer casting and data access with mixed
 670         #    pointer types are not recommended)
 671         CC_HIGHEST="$CC_HIGHEST -xalias_level=basic"
 672         # Use intrinsic or inline versions for math/std functions
 673         #   (If you expect perfect errno behavior, do not use this)
 674         CC_HIGHEST="$CC_HIGHEST -xbuiltin=%all"
 675         # Loop data dependency optimizations (need -xO3 or higher)
 676         CC_HIGHEST="$CC_HIGHEST -xdepend"
 677         # Pointer parameters to functions do not overlap
 678         #   (Similar to -xalias_level=basic usage, but less obvious sometimes.
 679         #    If you pass in multiple pointers to the same data, do not use this)
 680         CC_HIGHEST="$CC_HIGHEST -xrestrict"
 681         # Inline some library routines
 682         #   (If you expect perfect errno behavior, do not use this)
 683         CC_HIGHEST="$CC_HIGHEST -xlibmil"
 684         # Use optimized math routines
 685         #   (If you expect perfect errno behavior, do not use this)
 686         #  Can cause undefined external on Solaris 8 X86 on __sincos, removing for now
 687         #CC_HIGHEST="$CC_HIGHEST -xlibmopt"
 688 
 689         if test "x$OPENJDK_TARGET_CPU" = xsparc; then
 690           CFLAGS_JDK="${CFLAGS_JDK} -xmemalign=4s"
 691           CXXFLAGS_JDK="${CXXFLAGS_JDK} -xmemalign=4s"
 692         fi
 693 
 694         case $OPENJDK_TARGET_CPU_ARCH in
 695           x86)
 696             C_O_FLAG_HIGHEST="-xO4 -Wu,-O4~yz $CC_HIGHEST -xregs=no%frameptr"
 697             C_O_FLAG_HI="-xO4 -Wu,-O4~yz -xregs=no%frameptr"
 698             C_O_FLAG_NORM="-xO2 -Wu,-O2~yz -xregs=no%frameptr"
 699             C_O_FLAG_NONE="-xregs=no%frameptr"
 700             CXX_O_FLAG_HIGHEST="-xO4 -Qoption ube -O4~yz $CC_HIGHEST -xregs=no%frameptr"
 701             CXX_O_FLAG_HI="-xO4 -Qoption ube -O4~yz -xregs=no%frameptr"
 702             CXX_O_FLAG_NORM="-xO2 -Qoption ube -O2~yz -xregs=no%frameptr"
 703             CXX_O_FLAG_NONE="-xregs=no%frameptr"
 704             if test "x$OPENJDK_TARGET_CPU" = xx86; then
 705                C_O_FLAG_HIGHEST="$C_O_FLAG_HIGHEST -xchip=pentium"
 706                CXX_O_FLAG_HIGHEST="$CXX_O_FLAG_HIGHEST -xchip=pentium"
 707             fi
 708             ;;
 709           sparc)
 710             CFLAGS_JDKLIB_EXTRA="${CFLAGS_JDKLIB_EXTRA} -xregs=no%appl"
 711             CXXFLAGS_JDKLIB_EXTRA="${CXXFLAGS_JDKLIB_EXTRA} -xregs=no%appl"
 712             C_O_FLAG_HIGHEST="-xO4 -Wc,-Qrm-s -Wc,-Qiselect-T0 $CC_HIGHEST -xprefetch=auto,explicit -xchip=ultra"
 713             C_O_FLAG_HI="-xO4 -Wc,-Qrm-s -Wc,-Qiselect-T0"
 714             C_O_FLAG_NORM="-xO2 -Wc,-Qrm-s -Wc,-Qiselect-T0"
 715             C_O_FLAG_NONE=""
 716             CXX_O_FLAG_HIGHEST="-xO4 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0 $CC_HIGHEST -xprefetch=auto,explicit -xchip=ultra"
 717             CXX_O_FLAG_HI="-xO4 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0"
 718             CXX_O_FLAG_NORM="-xO2 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0"
 719             CXX_O_FLAG_NONE=""
 720             ;;
 721         esac
 722 
 723     CFLAGS_DEBUG_SYMBOLS="-g -xs"
 724     CXXFLAGS_DEBUG_SYMBOLS="-g0 -xs"
 725     esac
 726     ;;
 727   CL )
 728     C_O_FLAG_HIGHEST="-O2"
 729     C_O_FLAG_HI="-O1"
 730     C_O_FLAG_NORM="-O1"
 731     C_O_FLAG_NONE="-Od"
 732     CXX_O_FLAG_HIGHEST="$C_O_FLAG_HIGHEST"
 733     CXX_O_FLAG_HI="$C_O_FLAG_HI"
 734     CXX_O_FLAG_NORM="$C_O_FLAG_NORM"
 735     CXX_O_FLAG_NONE="$C_O_FLAG_NONE"
 736     ;;
 737 esac
 738 
 739 if test -z "$C_O_FLAG_HIGHEST"; then
 740    C_O_FLAG_HIGHEST="$C_O_FLAG_HI"
 741 fi
 742 
 743 if test -z "$CXX_O_FLAG_HIGHEST"; then
 744    CXX_O_FLAG_HIGHEST="$CXX_O_FLAG_HI"
 745 fi
 746 
 747 AC_SUBST(C_O_FLAG_HIGHEST)
 748 AC_SUBST(C_O_FLAG_HI)
 749 AC_SUBST(C_O_FLAG_NORM)
 750 AC_SUBST(C_O_FLAG_NONE)
 751 AC_SUBST(CXX_O_FLAG_HIGHEST)
 752 AC_SUBST(CXX_O_FLAG_HI)
 753 AC_SUBST(CXX_O_FLAG_NORM)
 754 AC_SUBST(CXX_O_FLAG_NONE)
 755 AC_SUBST(C_FLAG_DEPS)
 756 AC_SUBST(CXX_FLAG_DEPS)
 757 ])
 758 
 759 AC_DEFUN_ONCE([TOOLCHAIN_SETUP_COMPILER_FLAGS_FOR_JDK],
 760 [
 761 
 762 if test "x$CFLAGS" != "x${ADDED_CFLAGS}"; then
 763    AC_MSG_WARN([Ignoring CFLAGS($CFLAGS) found in environment. Use --with-extra-cflags])
 764 fi
 765 
 766 if test "x$CXXFLAGS" != "x${ADDED_CXXFLAGS}"; then
 767    AC_MSG_WARN([Ignoring CXXFLAGS($CXXFLAGS) found in environment. Use --with-extra-cxxflags])
 768 fi
 769 
 770 if test "x$LDFLAGS" != "x${ADDED_LDFLAGS}"; then
 771    AC_MSG_WARN([Ignoring LDFLAGS($LDFLAGS) found in environment. Use --with-extra-ldflags])
 772 fi
 773 
 774 AC_ARG_WITH(extra-cflags, [AS_HELP_STRING([--with-extra-cflags],
 775     [extra flags to be used when compiling jdk c-files])])
 776 
 777 AC_ARG_WITH(extra-cxxflags, [AS_HELP_STRING([--with-extra-cxxflags],
 778     [extra flags to be used when compiling jdk c++-files])])
 779 
 780 AC_ARG_WITH(extra-ldflags, [AS_HELP_STRING([--with-extra-ldflags],
 781     [extra flags to be used when linking jdk])])
 782 
 783 CFLAGS_JDK="${CFLAGS_JDK} $with_extra_cflags"
 784 CXXFLAGS_JDK="${CXXFLAGS_JDK} $with_extra_cxxflags"
 785 LDFLAGS_JDK="${LDFLAGS_JDK} $with_extra_ldflags"
 786 
 787 # Hotspot needs these set in their legacy form
 788 LEGACY_EXTRA_CFLAGS=$with_extra_cflags
 789 LEGACY_EXTRA_CXXFLAGS=$with_extra_cxxflags
 790 LEGACY_EXTRA_LDFLAGS=$with_extra_ldflags
 791 
 792 AC_SUBST(LEGACY_EXTRA_CFLAGS)
 793 AC_SUBST(LEGACY_EXTRA_CXXFLAGS)
 794 AC_SUBST(LEGACY_EXTRA_LDFLAGS)
 795 
 796 ###############################################################################
 797 #
 798 # Now setup the CFLAGS and LDFLAGS for the JDK build.
 799 # Later we will also have CFLAGS and LDFLAGS for the hotspot subrepo build.
 800 #
 801 case $COMPILER_NAME in
 802       gcc )
 803           CCXXFLAGS_JDK="$CCXXFLAGS $CCXXFLAGS_JDK -W -Wall -Wno-unused -Wno-parentheses \
 804                           -pipe \
 805                           -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE"
 806           case $OPENJDK_TARGET_CPU_ARCH in
 807           arm )
 808             # on arm we don't prevent gcc to omit frame pointer but do prevent strict aliasing
 809             CFLAGS_JDK="${CFLAGS_JDK} -fno-strict-aliasing"
 810           ;;
 811           ppc )
 812             # on ppc we don't prevent gcc to omit frame pointer nor strict-aliasing
 813           ;;
 814           * )
 815             CCXXFLAGS_JDK="$CCXXFLAGS_JDK -fno-omit-frame-pointer"
 816             CFLAGS_JDK="${CFLAGS_JDK} -fno-strict-aliasing"
 817           ;;
 818           esac
 819           ;;
 820       ossc )
 821           CCXXFLAGS_JDK="$CCXXFLAGS $CCXXFLAGS_JDK -DTRACING -DMACRO_MEMSYS_OPS -DBREAKPTS"
 822           case $OPENJDK_TARGET_CPU_ARCH in
 823           x86 )
 824             CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DcpuIntel -Di586 -D$OPENJDK_TARGET_CPU_LEGACY_LIB"
 825             CFLAGS_JDK="$CFLAGS_JDK -erroff=E_BAD_PRAGMA_PACK_VALUE"
 826           ;;
 827           esac
 828 
 829           CFLAGS_JDK="$CFLAGS_JDK -xc99=%none -xCC -errshort=tags -Xa -v -mt -W0,-noglobal"
 830           CXXFLAGS_JDK="$CXXFLAGS_JDK -errtags=yes +w -mt -features=no%except -DCC_NOEX -norunpath -xnolib"
 831 
 832           LDFLAGS_JDK="$LDFLAGS_JDK -z defs -xildoff -ztext"
 833           LDFLAGS_CXX_JDK="$LDFLAGS_CXX_JDK -norunpath -xnolib"
 834           ;;
 835       cl )
 836           CCXXFLAGS_JDK="$CCXXFLAGS $CCXXFLAGS_JDK -Zi -MD -Zc:wchar_t- -W3 -wd4800 \
 837                -D_STATIC_CPPLIB -D_DISABLE_DEPRECATE_STATIC_CPPLIB -DWIN32_LEAN_AND_MEAN \
 838                -D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE \
 839                -DWIN32 -DIAL"
 840           case $OPENJDK_TARGET_CPU in
 841               x86 )
 842                   CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_X86_ -Dx86"
 843                   ;;
 844               x86_64 )
 845                   CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_AMD64_ -Damd64"
 846                   ;;
 847           esac
 848           ;;
 849 esac
 850 
 851 ###############################################################################
 852 
 853 # Adjust flags according to debug level.
 854 case $DEBUG_LEVEL in
 855       fastdebug )
 856               CFLAGS_JDK="$CFLAGS_JDK $CFLAGS_DEBUG_SYMBOLS"
 857               CXXFLAGS_JDK="$CXXFLAGS_JDK $CXXFLAGS_DEBUG_SYMBOLS"
 858               C_O_FLAG_HI="$C_O_FLAG_NORM"
 859               C_O_FLAG_NORM="$C_O_FLAG_NORM"
 860               CXX_O_FLAG_HI="$CXX_O_FLAG_NORM"
 861               CXX_O_FLAG_NORM="$CXX_O_FLAG_NORM"
 862               JAVAC_FLAGS="$JAVAC_FLAGS -g"
 863               ;;
 864       slowdebug )
 865               CFLAGS_JDK="$CFLAGS_JDK $CFLAGS_DEBUG_SYMBOLS"
 866               CXXFLAGS_JDK="$CXXFLAGS_JDK $CXXFLAGS_DEBUG_SYMBOLS"
 867               C_O_FLAG_HI="$C_O_FLAG_NONE"
 868               C_O_FLAG_NORM="$C_O_FLAG_NONE"
 869               CXX_O_FLAG_HI="$CXX_O_FLAG_NONE"
 870               CXX_O_FLAG_NORM="$CXX_O_FLAG_NONE"
 871               JAVAC_FLAGS="$JAVAC_FLAGS -g"
 872               ;;
 873 esac
 874 
 875 CCXXFLAGS_JDK="$CCXXFLAGS_JDK $ADD_LP64"
 876 
 877 # The package path is used only on macosx?
 878 PACKAGE_PATH=/opt/local
 879 AC_SUBST(PACKAGE_PATH)
 880 
 881 if test "x$OPENJDK_TARGET_CPU_ENDIAN" = xlittle; then
 882     # The macro _LITTLE_ENDIAN needs to be defined the same to avoid the
 883     #   Sun C compiler warning message: warning: macro redefined: _LITTLE_ENDIAN
 884     #   (The Solaris X86 system defines this in file /usr/include/sys/isa_defs.h).
 885     #   Note: -Dmacro         is the same as    #define macro 1
 886     #         -Dmacro=      is the same as    #define macro
 887     if test "x$OPENJDK_TARGET_OS" = xsolaris; then
 888         CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_LITTLE_ENDIAN="
 889     else
 890         CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_LITTLE_ENDIAN"
 891     fi
 892 else
 893     CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_BIG_ENDIAN"
 894 fi
 895 if test "x$OPENJDK_TARGET_OS" = xlinux; then
 896     CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DLINUX"
 897 fi
 898 if test "x$OPENJDK_TARGET_OS" = xwindows; then
 899     CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DWINDOWS"
 900 fi
 901 if test "x$OPENJDK_TARGET_OS" = xsolaris; then
 902     CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DSOLARIS"
 903 fi
 904 if test "x$OPENJDK_TARGET_OS" = xmacosx; then
 905     CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DMACOSX -D_ALLBSD_SOURCE"
 906     # Setting these parameters makes it an error to link to macosx APIs that are
 907     # newer than the given OS version and makes the linked binaries compatible even
 908     # if built on a newer version of the OS.
 909     # The expected format is X.Y.Z
 910     MACOSX_VERSION_MIN=10.7.0
 911     AC_SUBST(MACOSX_VERSION_MIN)
 912     # The macro takes the version with no dots, ex: 1070
 913     # Let the flags variables get resolved in make for easier override on make
 914     # command line.
 915     CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DMAC_OS_X_VERSION_MAX_ALLOWED=\$(subst .,,\$(MACOSX_VERSION_MIN)) -mmacosx-version-min=\$(MACOSX_VERSION_MIN)"
 916     LDFLAGS_JDK="$LDFLAGS_JDK -mmacosx-version-min=\$(MACOSX_VERSION_MIN)"
 917 fi
 918 if test "x$OPENJDK_TARGET_OS" = xbsd; then
 919     CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DBSD -D_ALLBSD_SOURCE"
 920 fi
 921 if test "x$DEBUG_LEVEL" = xrelease; then
 922     CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DNDEBUG"
 923     if test "x$OPENJDK_TARGET_OS" = xsolaris; then
 924         CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DTRIMMED"
 925     fi
 926 else
 927     CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DDEBUG"
 928 fi
 929 
 930 CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DARCH='\"$OPENJDK_TARGET_CPU_LEGACY\"' -D$OPENJDK_TARGET_CPU_LEGACY"
 931 CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DRELEASE='\"$RELEASE\"'"
 932 
 933 CCXXFLAGS_JDK="$CCXXFLAGS_JDK \
 934         -I${JDK_OUTPUTDIR}/include \
 935         -I${JDK_OUTPUTDIR}/include/$OPENJDK_TARGET_OS \
 936         -I${JDK_TOPDIR}/src/share/javavm/export \
 937         -I${JDK_TOPDIR}/src/$OPENJDK_TARGET_OS_API_DIR/javavm/export \
 938         -I${JDK_TOPDIR}/src/share/native/common \
 939         -I${JDK_TOPDIR}/src/$OPENJDK_TARGET_OS_API_DIR/native/common"
 940 
 941 # The shared libraries are compiled using the picflag.
 942 CFLAGS_JDKLIB="$CCXXFLAGS_JDK $CFLAGS_JDK $PICFLAG $CFLAGS_JDKLIB_EXTRA"
 943 CXXFLAGS_JDKLIB="$CCXXFLAGS_JDK $CXXFLAGS_JDK $PICFLAG $CXXFLAGS_JDKLIB_EXTRA "
 944 
 945 # Executable flags
 946 CFLAGS_JDKEXE="$CCXXFLAGS_JDK $CFLAGS_JDK"
 947 CXXFLAGS_JDKEXE="$CCXXFLAGS_JDK $CXXFLAGS_JDK"
 948 
 949 # Now this is odd. The JDK native libraries have to link against libjvm.so
 950 # On 32-bit machines there is normally two distinct libjvm.so:s, client and server.
 951 # Which should we link to? Are we lucky enough that the binary api to the libjvm.so library
 952 # is identical for client and server? Yes. Which is picked at runtime (client or server)?
 953 # Neither, since the chosen libjvm.so has already been loaded by the launcher, all the following
 954 # libraries will link to whatever is in memory. Yuck.
 955 #
 956 # Thus we offer the compiler to find libjvm.so first in server then in client. It works. Ugh.
 957 if test "x$COMPILER_NAME" = xcl; then
 958     LDFLAGS_JDK="$LDFLAGS_JDK -nologo -opt:ref -incremental:no"
 959     if test "x$OPENJDK_TARGET_CPU" = xx86; then
 960         LDFLAGS_JDK="$LDFLAGS_JDK -safeseh"
 961     fi
 962     # TODO: make -debug optional "--disable-full-debug-symbols"
 963     LDFLAGS_JDK="$LDFLAGS_JDK -debug"
 964     LDFLAGS_JDKLIB="${LDFLAGS_JDK} -dll -libpath:${JDK_OUTPUTDIR}/lib"
 965     LDFLAGS_JDKLIB_SUFFIX=""
 966     if test "x$OPENJDK_TARGET_CPU_BITS" = "x64"; then
 967         LDFLAGS_STACK_SIZE=1048576
 968     else
 969         LDFLAGS_STACK_SIZE=327680
 970     fi
 971     LDFLAGS_JDKEXE="${LDFLAGS_JDK} /STACK:$LDFLAGS_STACK_SIZE"
 972 else
 973     if test "x$COMPILER_NAME" = xgcc; then
 974         # If this is a --hash-style=gnu system, use --hash-style=both, why?
 975         HAS_GNU_HASH=`$CC -dumpspecs 2>/dev/null | $GREP 'hash-style=gnu'`
 976         if test -n "$HAS_GNU_HASH"; then
 977             LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker --hash-style=both "
 978         fi
 979         if test "x$OPENJDK_TARGET_OS" = xlinux; then
 980           # And since we now know that the linker is gnu, then add -z defs, to forbid
 981           # undefined symbols in object files.
 982           LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker -z -Xlinker defs"
 983           if test "x$DEBUG_LEVEL" = "xrelease"; then
 984               # When building release libraries, tell the linker optimize them.
 985               # Should this be supplied to the OSS linker as well?
 986               LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker -O1"
 987           fi
 988         fi
 989     fi
 990     LDFLAGS_JDKLIB="${LDFLAGS_JDK} $SHARED_LIBRARY_FLAGS \
 991                     -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}"
 992 
 993     # On some platforms (mac) the linker warns about non existing -L dirs.
 994     # Add server first if available. Linking aginst client does not always produce the same results.
 995     # Only add client dir if client is being built. Add minimal (note not minimal1) if only building minimal1.
 996     # Default to server for other variants.
 997     if test "x$JVM_VARIANT_SERVER" = xtrue; then
 998         LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}/server"
 999     elif test "x$JVM_VARIANT_CLIENT" = xtrue; then
1000         LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}/client"
1001     elif test "x$JVM_VARIANT_MINIMAL1" = xtrue; then
1002         LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}/minimal"
1003     else
1004         LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}/server"
1005     fi
1006 
1007     LDFLAGS_JDKLIB_SUFFIX="-ljava -ljvm"
1008     if test "x$COMPILER_NAME" = xossc; then
1009         LDFLAGS_JDKLIB_SUFFIX="$LDFLAGS_JDKLIB_SUFFIX -lc"
1010     fi
1011 
1012     LDFLAGS_JDKEXE="${LDFLAGS_JDK}"
1013     if test "x$OPENJDK_TARGET_OS" = xlinux; then
1014         LDFLAGS_JDKEXE="$LDFLAGS_JDKEXE -Xlinker --allow-shlib-undefined"
1015     fi
1016 fi
1017 
1018 AC_SUBST(CFLAGS_JDKLIB)
1019 AC_SUBST(CFLAGS_JDKEXE)
1020 
1021 AC_SUBST(CXXFLAGS_JDKLIB)
1022 AC_SUBST(CXXFLAGS_JDKEXE)
1023 
1024 AC_SUBST(LDFLAGS_JDKLIB)
1025 AC_SUBST(LDFLAGS_JDKEXE)
1026 AC_SUBST(LDFLAGS_JDKLIB_SUFFIX)
1027 AC_SUBST(LDFLAGS_JDKEXE_SUFFIX)
1028 AC_SUBST(LDFLAGS_CXX_JDK)
1029 ])
1030 
1031 
1032 # TOOLCHAIN_COMPILER_CHECK_ARGUMENTS([ARGUMENT], [RUN-IF-TRUE],
1033 #                                   [RUN-IF-FALSE])
1034 # ------------------------------------------------------------
1035 # Check that the c and c++ compilers support an argument
1036 AC_DEFUN([TOOLCHAIN_COMPILER_CHECK_ARGUMENTS],
1037 [
1038   AC_MSG_CHECKING([if compiler supports "$1"])
1039   supports=yes
1040 
1041   saved_cflags="$CFLAGS"
1042   CFLAGS="$CFLAGS $1"
1043   AC_LANG_PUSH([C])
1044   AC_COMPILE_IFELSE([
1045     AC_LANG_SOURCE([[int i;]])
1046   ], [], [supports=no])
1047   AC_LANG_POP([C])
1048   CFLAGS="$saved_cflags"
1049 
1050   saved_cxxflags="$CXXFLAGS"
1051   CXXFLAGS="$CXXFLAG $1"
1052   AC_LANG_PUSH([C++])
1053   AC_COMPILE_IFELSE([
1054     AC_LANG_SOURCE([[int i;]])
1055   ], [], [supports=no])
1056   AC_LANG_POP([C++])
1057   CXXFLAGS="$saved_cxxflags"
1058 
1059   AC_MSG_RESULT([$supports])
1060   if test "x$supports" = "xyes" ; then
1061     m4_ifval([$2], [$2], [:])
1062   else
1063     m4_ifval([$3], [$3], [:])
1064   fi
1065 ])
1066 
1067 AC_DEFUN_ONCE([TOOLCHAIN_SETUP_COMPILER_FLAGS_MISC],
1068 [
1069   # Some Zero and Shark settings.
1070   # ZERO_ARCHFLAG tells the compiler which mode to build for
1071   case "${OPENJDK_TARGET_CPU}" in
1072     s390)
1073       ZERO_ARCHFLAG="-m31"
1074       ;;
1075     *)
1076       ZERO_ARCHFLAG="-m${OPENJDK_TARGET_CPU_BITS}"
1077   esac
1078   TOOLCHAIN_COMPILER_CHECK_ARGUMENTS([$ZERO_ARCHFLAG], [], [ZERO_ARCHFLAG=""])
1079   AC_SUBST(ZERO_ARCHFLAG)
1080 
1081   # Check that the compiler supports -mX flags
1082   # Set COMPILER_SUPPORTS_TARGET_BITS_FLAG to 'true' if it does
1083   TOOLCHAIN_COMPILER_CHECK_ARGUMENTS([-m${OPENJDK_TARGET_CPU_BITS}],
1084     [COMPILER_SUPPORTS_TARGET_BITS_FLAG=true],
1085     [COMPILER_SUPPORTS_TARGET_BITS_FLAG=false])
1086   AC_SUBST(COMPILER_SUPPORTS_TARGET_BITS_FLAG)
1087 ])
1088 
1089 # Setup the JTREG paths
1090 AC_DEFUN_ONCE([TOOLCHAIN_SETUP_JTREG],
1091 [
1092   AC_ARG_WITH(jtreg, [AS_HELP_STRING([--with-jtreg],
1093   [Regression Test Harness @<:@probed@:>@])],
1094   [],
1095   [with_jtreg=no])
1096 
1097   if test "x$with_jtreg" = xno; then
1098     # jtreg disabled
1099     AC_MSG_CHECKING([for jtreg])
1100     AC_MSG_RESULT(no)
1101   else
1102     if test "x$with_jtreg" != xyes; then
1103       # with path specified.
1104       JT_HOME="$with_jtreg"
1105     fi
1106 
1107     if test "x$JT_HOME" != x; then
1108       AC_MSG_CHECKING([for jtreg])
1109 
1110       # use JT_HOME enviroment var.
1111       BASIC_FIXUP_PATH([JT_HOME])
1112 
1113       # jtreg win32 script works for everybody
1114       JTREGEXE="$JT_HOME/win32/bin/jtreg"
1115 
1116       if test ! -f "$JTREGEXE"; then
1117         AC_MSG_ERROR([JTReg executable does not exist: $JTREGEXE])
1118       fi
1119 
1120       AC_MSG_RESULT($JTREGEXE)
1121     else
1122       # try to find jtreg on path
1123       BASIC_REQUIRE_PROG(JTREGEXE, jtreg)
1124       JT_HOME="`$DIRNAME $JTREGEXE`"
1125     fi
1126   fi
1127 
1128   AC_SUBST(JT_HOME)
1129   AC_SUBST(JTREGEXE)
1130 ])