toolchain.m4 revision 1008:9786ef8ca58c
1# 2# Copyright (c) 2011, 2014, 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######################################################################## 27# This file is responsible for detecting, verifying and setting up the 28# toolchain, i.e. the compiler, linker and related utilities. It will setup 29# proper paths to the binaries, but it will not setup any flags. 30# 31# The binaries used is determined by the toolchain type, which is the family of 32# compilers and related tools that are used. 33######################################################################## 34 35 36# All valid toolchains, regardless of platform (used by help.m4) 37VALID_TOOLCHAINS_all="gcc clang solstudio xlc microsoft" 38 39# These toolchains are valid on different platforms 40VALID_TOOLCHAINS_linux="gcc clang" 41VALID_TOOLCHAINS_solaris="solstudio" 42VALID_TOOLCHAINS_macosx="gcc clang" 43VALID_TOOLCHAINS_aix="xlc" 44VALID_TOOLCHAINS_windows="microsoft" 45 46# Toolchain descriptions 47TOOLCHAIN_DESCRIPTION_clang="clang/LLVM" 48TOOLCHAIN_DESCRIPTION_gcc="GNU Compiler Collection" 49TOOLCHAIN_DESCRIPTION_microsoft="Microsoft Visual Studio" 50TOOLCHAIN_DESCRIPTION_solstudio="Oracle Solaris Studio" 51TOOLCHAIN_DESCRIPTION_xlc="IBM XL C/C++" 52 53# Setup a number of variables describing how native output files are 54# named on this platform/toolchain. 55AC_DEFUN([TOOLCHAIN_SETUP_FILENAME_PATTERNS], 56[ 57 # Define filename patterns 58 if test "x$OPENJDK_TARGET_OS" = xwindows; then 59 LIBRARY_PREFIX= 60 SHARED_LIBRARY_SUFFIX='.dll' 61 STATIC_LIBRARY_SUFFIX='.lib' 62 SHARED_LIBRARY='[$]1.dll' 63 STATIC_LIBRARY='[$]1.lib' 64 OBJ_SUFFIX='.obj' 65 EXE_SUFFIX='.exe' 66 else 67 LIBRARY_PREFIX=lib 68 SHARED_LIBRARY_SUFFIX='.so' 69 STATIC_LIBRARY_SUFFIX='.a' 70 SHARED_LIBRARY='lib[$]1.so' 71 STATIC_LIBRARY='lib[$]1.a' 72 OBJ_SUFFIX='.o' 73 EXE_SUFFIX='' 74 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 75 SHARED_LIBRARY='lib[$]1.dylib' 76 SHARED_LIBRARY_SUFFIX='.dylib' 77 fi 78 fi 79 80 AC_SUBST(LIBRARY_PREFIX) 81 AC_SUBST(SHARED_LIBRARY_SUFFIX) 82 AC_SUBST(STATIC_LIBRARY_SUFFIX) 83 AC_SUBST(SHARED_LIBRARY) 84 AC_SUBST(STATIC_LIBRARY) 85 AC_SUBST(OBJ_SUFFIX) 86 AC_SUBST(EXE_SUFFIX) 87]) 88 89# Determine which toolchain type to use, and make sure it is valid for this 90# platform. Setup various information about the selected toolchain. 91AC_DEFUN_ONCE([TOOLCHAIN_DETERMINE_TOOLCHAIN_TYPE], 92[ 93 AC_ARG_WITH(toolchain-type, [AS_HELP_STRING([--with-toolchain-type], 94 [the toolchain type (or family) to use, use '--help' to show possible values @<:@platform dependent@:>@])]) 95 96 # Use indirect variable referencing 97 toolchain_var_name=VALID_TOOLCHAINS_$OPENJDK_BUILD_OS 98 VALID_TOOLCHAINS=${!toolchain_var_name} 99 100 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 101 # On Mac OS X, default toolchain to clang after Xcode 5 102 XCODE_VERSION_OUTPUT=`xcodebuild -version 2>&1 | $HEAD -n 1` 103 $ECHO "$XCODE_VERSION_OUTPUT" | $GREP "Xcode " > /dev/null 104 if test $? -ne 0; then 105 AC_MSG_ERROR([Failed to determine Xcode version.]) 106 fi 107 XCODE_MAJOR_VERSION=`$ECHO $XCODE_VERSION_OUTPUT | \ 108 $SED -e 's/^Xcode \(@<:@1-9@:>@@<:@0-9.@:>@*\)/\1/' | \ 109 $CUT -f 1 -d .` 110 AC_MSG_NOTICE([Xcode major version: $XCODE_MAJOR_VERSION]) 111 if test $XCODE_MAJOR_VERSION -ge 5; then 112 DEFAULT_TOOLCHAIN="clang" 113 else 114 DEFAULT_TOOLCHAIN="gcc" 115 fi 116 else 117 # First toolchain type in the list is the default 118 DEFAULT_TOOLCHAIN=${VALID_TOOLCHAINS%% *} 119 fi 120 121 if test "x$with_toolchain_type" = xlist; then 122 # List all toolchains 123 AC_MSG_NOTICE([The following toolchains are valid on this platform:]) 124 for toolchain in $VALID_TOOLCHAINS; do 125 toolchain_var_name=TOOLCHAIN_DESCRIPTION_$toolchain 126 TOOLCHAIN_DESCRIPTION=${!toolchain_var_name} 127 $PRINTF " %-10s %s\n" $toolchain "$TOOLCHAIN_DESCRIPTION" 128 done 129 130 exit 0 131 elif test "x$with_toolchain_type" != x; then 132 # User override; check that it is valid 133 if test "x${VALID_TOOLCHAINS/$with_toolchain_type/}" = "x${VALID_TOOLCHAINS}"; then 134 AC_MSG_NOTICE([Toolchain type $with_toolchain_type is not valid on this platform.]) 135 AC_MSG_NOTICE([Valid toolchains: $VALID_TOOLCHAINS.]) 136 AC_MSG_ERROR([Cannot continue.]) 137 fi 138 TOOLCHAIN_TYPE=$with_toolchain_type 139 else 140 # No flag given, use default 141 TOOLCHAIN_TYPE=$DEFAULT_TOOLCHAIN 142 fi 143 AC_SUBST(TOOLCHAIN_TYPE) 144 145 TOOLCHAIN_CC_BINARY_clang="clang" 146 TOOLCHAIN_CC_BINARY_gcc="gcc" 147 TOOLCHAIN_CC_BINARY_microsoft="cl" 148 TOOLCHAIN_CC_BINARY_solstudio="cc" 149 TOOLCHAIN_CC_BINARY_xlc="xlc_r" 150 151 TOOLCHAIN_CXX_BINARY_clang="clang++" 152 TOOLCHAIN_CXX_BINARY_gcc="g++" 153 TOOLCHAIN_CXX_BINARY_microsoft="cl" 154 TOOLCHAIN_CXX_BINARY_solstudio="CC" 155 TOOLCHAIN_CXX_BINARY_xlc="xlC_r" 156 157 # Use indirect variable referencing 158 toolchain_var_name=TOOLCHAIN_DESCRIPTION_$TOOLCHAIN_TYPE 159 TOOLCHAIN_DESCRIPTION=${!toolchain_var_name} 160 toolchain_var_name=TOOLCHAIN_CC_BINARY_$TOOLCHAIN_TYPE 161 TOOLCHAIN_CC_BINARY=${!toolchain_var_name} 162 toolchain_var_name=TOOLCHAIN_CXX_BINARY_$TOOLCHAIN_TYPE 163 TOOLCHAIN_CXX_BINARY=${!toolchain_var_name} 164 165 TOOLCHAIN_SETUP_FILENAME_PATTERNS 166 167 if test "x$TOOLCHAIN_TYPE" = "x$DEFAULT_TOOLCHAIN"; then 168 AC_MSG_NOTICE([Using default toolchain $TOOLCHAIN_TYPE ($TOOLCHAIN_DESCRIPTION)]) 169 else 170 AC_MSG_NOTICE([Using user selected toolchain $TOOLCHAIN_TYPE ($TOOLCHAIN_DESCRIPTION). Default toolchain is $DEFAULT_TOOLCHAIN.]) 171 fi 172]) 173 174# Before we start detecting the toolchain executables, we might need some 175# special setup, e.g. additional paths etc. 176AC_DEFUN_ONCE([TOOLCHAIN_PRE_DETECTION], 177[ 178 # FIXME: Is this needed? 179 AC_LANG(C++) 180 181 # Store the CFLAGS etc passed to the configure script. 182 ORG_CFLAGS="$CFLAGS" 183 ORG_CXXFLAGS="$CXXFLAGS" 184 ORG_OBJCFLAGS="$OBJCFLAGS" 185 186 # On Windows, we need to detect the visual studio installation first. 187 # This will change the PATH, but we need to keep that new PATH even 188 # after toolchain detection is done, since the compiler (on x86) uses 189 # it for DLL resolution in runtime. 190 if test "x$OPENJDK_BUILD_OS" = "xwindows" && test "x$TOOLCHAIN_TYPE" = "xmicrosoft"; then 191 TOOLCHAIN_SETUP_VISUAL_STUDIO_ENV 192 fi 193 194 # autoconf magic only relies on PATH, so update it if tools dir is specified 195 OLD_PATH="$PATH" 196 197 # For solaris we really need solaris tools, and not the GNU equivalent. 198 # The build tools on Solaris reside in /usr/ccs (C Compilation System), 199 # so add that to path before starting to probe. 200 # FIXME: This was originally only done for AS,NM,GNM,STRIP,MCS,OBJCOPY,OBJDUMP. 201 if test "x$OPENJDK_BUILD_OS" = xsolaris; then 202 PATH="/usr/ccs/bin:$PATH" 203 fi 204 205 # Finally add TOOLCHAIN_PATH at the beginning, to allow --with-tools-dir to 206 # override all other locations. 207 if test "x$TOOLCHAIN_PATH" != x; then 208 PATH=$TOOLCHAIN_PATH:$PATH 209 fi 210]) 211 212# Restore path, etc 213AC_DEFUN_ONCE([TOOLCHAIN_POST_DETECTION], 214[ 215 # Restore old path. 216 PATH="$OLD_PATH" 217 218 # Restore the flags to the user specified values. 219 # This is necessary since AC_PROG_CC defaults CFLAGS to "-g -O2" 220 CFLAGS="$ORG_CFLAGS" 221 CXXFLAGS="$ORG_CXXFLAGS" 222 OBJCFLAGS="$ORG_OBJCFLAGS" 223]) 224 225# Check if a compiler is of the toolchain type we expect, and save the version 226# information from it. If the compiler does not match the expected type, 227# this function will abort using AC_MSG_ERROR. If it matches, the version will 228# be stored in CC_VERSION_NUMBER/CXX_VERSION_NUMBER (as a dotted number), and 229# the full version string in CC_VERSION_STRING/CXX_VERSION_STRING. 230# 231# $1 = compiler to test (CC or CXX) 232# $2 = human readable name of compiler (C or C++) 233AC_DEFUN([TOOLCHAIN_CHECK_COMPILER_VERSION], 234[ 235 COMPILER=[$]$1 236 COMPILER_NAME=$2 237 238 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then 239 # cc -V output typically looks like 240 # cc: Sun C 5.12 Linux_i386 2011/11/16 241 COMPILER_VERSION_OUTPUT=`$COMPILER -V 2>&1` 242 # Check that this is likely to be the Solaris Studio cc. 243 $ECHO "$COMPILER_VERSION_OUTPUT" | $GREP "^.*: Sun $COMPILER_NAME" > /dev/null 244 if test $? -ne 0; then 245 ALT_VERSION_OUTPUT=`$COMPILER --version 2>&1` 246 AC_MSG_NOTICE([The $COMPILER_NAME compiler (located as $COMPILER) does not seem to be the required $TOOLCHAIN_TYPE compiler.]) 247 AC_MSG_NOTICE([The result from running with -V was: "$COMPILER_VERSION_OUTPUT"]) 248 AC_MSG_NOTICE([The result from running with --version was: "$ALT_VERSION_OUTPUT"]) 249 AC_MSG_ERROR([A $TOOLCHAIN_TYPE compiler is required. Try setting --with-tools-dir.]) 250 fi 251 # Remove usage instructions (if present), and 252 # collapse compiler output into a single line 253 COMPILER_VERSION_STRING=`$ECHO $COMPILER_VERSION_OUTPUT | \ 254 $SED -e 's/ *@<:@Uu@:>@sage:.*//'` 255 COMPILER_VERSION_NUMBER=`$ECHO $COMPILER_VERSION_OUTPUT | \ 256 $SED -e "s/^.*@<:@ ,\t@:>@$COMPILER_NAME@<:@ ,\t@:>@\(@<:@1-9@:>@\.@<:@0-9@:>@@<:@0-9@:>@*\).*/\1/"` 257 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 258 # xlc -qversion output typically looks like 259 # IBM XL C/C++ for AIX, V11.1 (5724-X13) 260 # Version: 11.01.0000.0015 261 COMPILER_VERSION_OUTPUT=`$COMPILER -qversion 2>&1` 262 # Check that this is likely to be the IBM XL C compiler. 263 $ECHO "$COMPILER_VERSION_OUTPUT" | $GREP "IBM XL C" > /dev/null 264 if test $? -ne 0; then 265 ALT_VERSION_OUTPUT=`$COMPILER --version 2>&1` 266 AC_MSG_NOTICE([The $COMPILER_NAME compiler (located as $COMPILER) does not seem to be the required $TOOLCHAIN_TYPE compiler.]) 267 AC_MSG_NOTICE([The result from running with -qversion was: "$COMPILER_VERSION_OUTPUT"]) 268 AC_MSG_NOTICE([The result from running with --version was: "$ALT_VERSION_OUTPUT"]) 269 AC_MSG_ERROR([A $TOOLCHAIN_TYPE compiler is required. Try setting --with-tools-dir.]) 270 fi 271 # Collapse compiler output into a single line 272 COMPILER_VERSION_STRING=`$ECHO $COMPILER_VERSION_OUTPUT` 273 COMPILER_VERSION_NUMBER=`$ECHO $COMPILER_VERSION_OUTPUT | \ 274 $SED -e 's/^.*, V\(@<:@1-9@:>@@<:@0-9.@:>@*\).*$/\1/'` 275 elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 276 # There is no specific version flag, but all output starts with a version string. 277 # First line typically looks something like: 278 # Microsoft (R) 32-bit C/C++ Optimizing Compiler Version 16.00.40219.01 for 80x86 279 COMPILER_VERSION_OUTPUT=`$COMPILER 2>&1 | $HEAD -n 1 | $TR -d '\r'` 280 # Check that this is likely to be Microsoft CL.EXE. 281 $ECHO "$COMPILER_VERSION_OUTPUT" | $GREP "Microsoft.*Compiler" > /dev/null 282 if test $? -ne 0; then 283 AC_MSG_NOTICE([The $COMPILER_NAME compiler (located as $COMPILER) does not seem to be the required $TOOLCHAIN_TYPE compiler.]) 284 AC_MSG_NOTICE([The result from running it was: "$COMPILER_VERSION_OUTPUT"]) 285 AC_MSG_ERROR([A $TOOLCHAIN_TYPE compiler is required. Try setting --with-tools-dir.]) 286 fi 287 # Collapse compiler output into a single line 288 COMPILER_VERSION_STRING=`$ECHO $COMPILER_VERSION_OUTPUT` 289 COMPILER_VERSION_NUMBER=`$ECHO $COMPILER_VERSION_OUTPUT | \ 290 $SED -e 's/^.*ersion.\(@<:@1-9@:>@@<:@0-9.@:>@*\) .*$/\1/'` 291 elif test "x$TOOLCHAIN_TYPE" = xgcc; then 292 # gcc --version output typically looks like 293 # gcc (Ubuntu/Linaro 4.8.1-10ubuntu9) 4.8.1 294 # Copyright (C) 2013 Free Software Foundation, Inc. 295 # This is free software; see the source for copying conditions. There is NO 296 # warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 297 COMPILER_VERSION_OUTPUT=`$COMPILER --version 2>&1` 298 # Check that this is likely to be GCC. 299 $ECHO "$COMPILER_VERSION_OUTPUT" | $GREP "Free Software Foundation" > /dev/null 300 if test $? -ne 0; then 301 AC_MSG_NOTICE([The $COMPILER_NAME compiler (located as $COMPILER) does not seem to be the required $TOOLCHAIN_TYPE compiler.]) 302 AC_MSG_NOTICE([The result from running with --version was: "$COMPILER_VERSION"]) 303 AC_MSG_ERROR([A $TOOLCHAIN_TYPE compiler is required. Try setting --with-tools-dir.]) 304 fi 305 # Remove Copyright and legalese from version string, and 306 # collapse into a single line 307 COMPILER_VERSION_STRING=`$ECHO $COMPILER_VERSION_OUTPUT | \ 308 $SED -e 's/ *Copyright .*//'` 309 COMPILER_VERSION_NUMBER=`$ECHO $COMPILER_VERSION_OUTPUT | \ 310 $SED -e 's/^.* \(@<:@1-9@:>@\.@<:@0-9.@:>@*\) .*$/\1/'` 311 elif test "x$TOOLCHAIN_TYPE" = xclang; then 312 # clang --version output typically looks like 313 # Apple LLVM version 5.0 (clang-500.2.79) (based on LLVM 3.3svn) 314 # clang version 3.3 (tags/RELEASE_33/final) 315 # or 316 # Debian clang version 3.2-7ubuntu1 (tags/RELEASE_32/final) (based on LLVM 3.2) 317 # Target: x86_64-pc-linux-gnu 318 # Thread model: posix 319 COMPILER_VERSION_OUTPUT=`$COMPILER --version 2>&1` 320 # Check that this is likely to be clang 321 $ECHO "$COMPILER_VERSION_OUTPUT" | $GREP "clang" > /dev/null 322 if test $? -ne 0; then 323 AC_MSG_NOTICE([The $COMPILER_NAME compiler (located as $COMPILER) does not seem to be the required $TOOLCHAIN_TYPE compiler.]) 324 AC_MSG_NOTICE([The result from running with --version was: "$COMPILER_VERSION_OUTPUT"]) 325 AC_MSG_ERROR([A $TOOLCHAIN_TYPE compiler is required. Try setting --with-tools-dir.]) 326 fi 327 # Collapse compiler output into a single line 328 COMPILER_VERSION_STRING=`$ECHO $COMPILER_VERSION_OUTPUT` 329 COMPILER_VERSION_NUMBER=`$ECHO $COMPILER_VERSION_OUTPUT | \ 330 $SED -e 's/^.*clang version \(@<:@1-9@:>@@<:@0-9.@:>@*\).*$/\1/'` 331 else 332 AC_MSG_ERROR([Unknown toolchain type $TOOLCHAIN_TYPE.]) 333 fi 334 # This sets CC_VERSION_NUMBER or CXX_VERSION_NUMBER. (This comment is a grep marker) 335 $1_VERSION_NUMBER="$COMPILER_VERSION_NUMBER" 336 # This sets CC_VERSION_STRING or CXX_VERSION_STRING. (This comment is a grep marker) 337 $1_VERSION_STRING="$COMPILER_VERSION_STRING" 338 339 AC_MSG_NOTICE([Using $TOOLCHAIN_TYPE $COMPILER_NAME compiler version $COMPILER_VERSION_NUMBER @<:@$COMPILER_VERSION_STRING@:>@]) 340]) 341 342# Try to locate the given C or C++ compiler in the path, or otherwise. 343# 344# $1 = compiler to test (CC or CXX) 345# $2 = human readable name of compiler (C or C++) 346# $3 = list of compiler names to search for 347AC_DEFUN([TOOLCHAIN_FIND_COMPILER], 348[ 349 COMPILER_NAME=$2 350 SEARCH_LIST="$3" 351 352 if test "x[$]$1" != x; then 353 # User has supplied compiler name already, always let that override. 354 AC_MSG_NOTICE([Will use user supplied compiler $1=[$]$1]) 355 if test "x`basename [$]$1`" = "x[$]$1"; then 356 # A command without a complete path is provided, search $PATH. 357 358 AC_PATH_PROGS(POTENTIAL_$1, [$]$1) 359 if test "x$POTENTIAL_$1" != x; then 360 $1=$POTENTIAL_$1 361 else 362 AC_MSG_ERROR([User supplied compiler $1=[$]$1 could not be found]) 363 fi 364 else 365 # Otherwise it might already be a complete path 366 if test ! -x "[$]$1"; then 367 AC_MSG_ERROR([User supplied compiler $1=[$]$1 does not exist]) 368 fi 369 fi 370 else 371 # No user supplied value. Locate compiler ourselves. 372 373 # If we are cross compiling, assume cross compilation tools follows the 374 # cross compilation standard where they are prefixed with the autoconf 375 # standard name for the target. For example the binary 376 # i686-sun-solaris2.10-gcc will cross compile for i686-sun-solaris2.10. 377 # If we are not cross compiling, then the default compiler name will be 378 # used. 379 380 $1= 381 # If TOOLCHAIN_PATH is set, check for all compiler names in there first 382 # before checking the rest of the PATH. 383 # FIXME: Now that we prefix the TOOLS_DIR to the PATH in the PRE_DETECTION 384 # step, this should not be necessary. 385 if test -n "$TOOLCHAIN_PATH"; then 386 PATH_save="$PATH" 387 PATH="$TOOLCHAIN_PATH" 388 AC_PATH_PROGS(TOOLCHAIN_PATH_$1, $SEARCH_LIST) 389 $1=$TOOLCHAIN_PATH_$1 390 PATH="$PATH_save" 391 fi 392 393 # AC_PATH_PROGS can't be run multiple times with the same variable, 394 # so create a new name for this run. 395 if test "x[$]$1" = x; then 396 AC_PATH_PROGS(POTENTIAL_$1, $SEARCH_LIST) 397 $1=$POTENTIAL_$1 398 fi 399 400 if test "x[$]$1" = x; then 401 HELP_MSG_MISSING_DEPENDENCY([devkit]) 402 AC_MSG_ERROR([Could not find a $COMPILER_NAME compiler. $HELP_MSG]) 403 fi 404 fi 405 406 # Now we have a compiler binary in $1. Make sure it's okay. 407 BASIC_FIXUP_EXECUTABLE($1) 408 TEST_COMPILER="[$]$1" 409 # Don't remove symbolic links on AIX because 'xlc_r' and 'xlC_r' may all be links 410 # to 'xlc' but it is crucial that we invoke the compiler with the right name! 411 if test "x$OPENJDK_BUILD_OS" != xaix; then 412 # FIXME: This test should not be needed anymore; we don't do that for any platform. 413 AC_MSG_CHECKING([resolved symbolic links for $1]) 414 BASIC_REMOVE_SYMBOLIC_LINKS(TEST_COMPILER) 415 AC_MSG_RESULT([$TEST_COMPILER]) 416 fi 417 AC_MSG_CHECKING([if $1 is disguised ccache]) 418 419 COMPILER_BASENAME=`$BASENAME "$TEST_COMPILER"` 420 if test "x$COMPILER_BASENAME" = "xccache"; then 421 AC_MSG_RESULT([yes, trying to find proper $COMPILER_NAME compiler]) 422 # We /usr/lib/ccache in the path, so cc is a symlink to /usr/bin/ccache. 423 # We want to control ccache invocation ourselves, so ignore this cc and try 424 # searching again. 425 426 # Remove the path to the fake ccache cc from the PATH 427 RETRY_COMPILER_SAVED_PATH="$PATH" 428 COMPILER_DIRNAME=`$DIRNAME [$]$1` 429 PATH="`$ECHO $PATH | $SED -e "s,$COMPILER_DIRNAME,,g" -e "s,::,:,g" -e "s,^:,,g"`" 430 431 # Try again looking for our compiler 432 AC_CHECK_TOOLS(PROPER_COMPILER_$1, $3) 433 BASIC_FIXUP_EXECUTABLE(PROPER_COMPILER_$1) 434 PATH="$RETRY_COMPILER_SAVED_PATH" 435 436 AC_MSG_CHECKING([for resolved symbolic links for $1]) 437 BASIC_REMOVE_SYMBOLIC_LINKS(PROPER_COMPILER_$1) 438 AC_MSG_RESULT([$PROPER_COMPILER_$1]) 439 $1="$PROPER_COMPILER_$1" 440 else 441 AC_MSG_RESULT([no, keeping $1]) 442 fi 443 444 TOOLCHAIN_CHECK_COMPILER_VERSION([$1], [$COMPILER_NAME]) 445]) 446 447# Detect the core components of the toolchain, i.e. the compilers (CC and CXX), 448# preprocessor (CPP and CXXCPP), the linker (LD), the assembler (AS) and the 449# archiver (AR). Verify that the compilers are correct according to the 450# toolchain type. 451AC_DEFUN_ONCE([TOOLCHAIN_DETECT_TOOLCHAIN_CORE], 452[ 453 # 454 # Setup the compilers (CC and CXX) 455 # 456 TOOLCHAIN_FIND_COMPILER([CC], [C], $TOOLCHAIN_CC_BINARY) 457 # Now that we have resolved CC ourself, let autoconf have its go at it 458 AC_PROG_CC([$CC]) 459 460 TOOLCHAIN_FIND_COMPILER([CXX], [C++], $TOOLCHAIN_CXX_BINARY) 461 # Now that we have resolved CXX ourself, let autoconf have its go at it 462 AC_PROG_CXX([$CXX]) 463 464 # 465 # Setup the preprocessor (CPP and CXXCPP) 466 # 467 AC_PROG_CPP 468 BASIC_FIXUP_EXECUTABLE(CPP) 469 AC_PROG_CXXCPP 470 BASIC_FIXUP_EXECUTABLE(CXXCPP) 471 472 # 473 # Setup the linker (LD) 474 # 475 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 476 # In the Microsoft toolchain we have a separate LD command "link". 477 # Make sure we reject /usr/bin/link (as determined in CYGWIN_LINK), which is 478 # a cygwin program for something completely different. 479 AC_CHECK_PROG([LD], [link],[link],,, [$CYGWIN_LINK]) 480 BASIC_FIXUP_EXECUTABLE(LD) 481 # Verify that we indeed succeeded with this trick. 482 AC_MSG_CHECKING([if the found link.exe is actually the Visual Studio linker]) 483 "$LD" --version > /dev/null 484 if test $? -eq 0 ; then 485 AC_MSG_RESULT([no]) 486 AC_MSG_ERROR([This is the Cygwin link tool. Please check your PATH and rerun configure.]) 487 else 488 AC_MSG_RESULT([yes]) 489 fi 490 LDCXX="$LD" 491 else 492 # All other toolchains use the compiler to link. 493 LD="$CC" 494 LDCXX="$CXX" 495 fi 496 AC_SUBST(LD) 497 # FIXME: it should be CXXLD, according to standard (cf CXXCPP) 498 AC_SUBST(LDCXX) 499 500 # 501 # Setup the assembler (AS) 502 # 503 if test "x$OPENJDK_TARGET_OS" = xsolaris; then 504 # FIXME: should this really be solaris, or solstudio? 505 BASIC_PATH_PROGS(AS, as) 506 BASIC_FIXUP_EXECUTABLE(AS) 507 else 508 # FIXME: is this correct for microsoft? 509 AS="$CC -c" 510 fi 511 AC_SUBST(AS) 512 513 # 514 # Setup the archiver (AR) 515 # 516 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 517 # The corresponding ar tool is lib.exe (used to create static libraries) 518 AC_CHECK_PROG([AR], [lib],[lib],,,) 519 else 520 BASIC_CHECK_TOOLS(AR, ar) 521 fi 522 BASIC_FIXUP_EXECUTABLE(AR) 523]) 524 525# Setup additional tools that is considered a part of the toolchain, but not the 526# core part. Many of these are highly platform-specific and do not exist, 527# and/or are not needed on all platforms. 528AC_DEFUN_ONCE([TOOLCHAIN_DETECT_TOOLCHAIN_EXTRA], 529[ 530 if test "x$OPENJDK_TARGET_OS" = "xmacosx"; then 531 AC_PROG_OBJC 532 BASIC_FIXUP_EXECUTABLE(OBJC) 533 BASIC_PATH_PROGS(LIPO, lipo) 534 BASIC_FIXUP_EXECUTABLE(LIPO) 535 else 536 OBJC= 537 fi 538 539 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 540 AC_CHECK_PROG([MT], [mt], [mt],,, [/usr/bin/mt]) 541 BASIC_FIXUP_EXECUTABLE(MT) 542 # Setup the resource compiler (RC) 543 AC_CHECK_PROG([RC], [rc], [rc],,, [/usr/bin/rc]) 544 BASIC_FIXUP_EXECUTABLE(RC) 545 AC_CHECK_PROG([DUMPBIN], [dumpbin], [dumpbin],,,) 546 BASIC_FIXUP_EXECUTABLE(DUMPBIN) 547 fi 548 549 if test "x$OPENJDK_TARGET_OS" = xsolaris; then 550 BASIC_PATH_PROGS(STRIP, strip) 551 BASIC_FIXUP_EXECUTABLE(STRIP) 552 BASIC_PATH_PROGS(NM, nm) 553 BASIC_FIXUP_EXECUTABLE(NM) 554 BASIC_PATH_PROGS(GNM, gnm) 555 BASIC_FIXUP_EXECUTABLE(GNM) 556 557 BASIC_PATH_PROGS(MCS, mcs) 558 BASIC_FIXUP_EXECUTABLE(MCS) 559 elif test "x$OPENJDK_TARGET_OS" != xwindows; then 560 # FIXME: we should unify this with the solaris case above. 561 BASIC_CHECK_TOOLS(STRIP, strip) 562 BASIC_FIXUP_EXECUTABLE(STRIP) 563 BASIC_CHECK_TOOLS(NM, nm) 564 BASIC_FIXUP_EXECUTABLE(NM) 565 GNM="$NM" 566 AC_SUBST(GNM) 567 fi 568 569 # objcopy is used for moving debug symbols to separate files when 570 # full debug symbols are enabled. 571 if test "x$OPENJDK_TARGET_OS" = xsolaris || test "x$OPENJDK_TARGET_OS" = xlinux; then 572 BASIC_CHECK_TOOLS(OBJCOPY, [gobjcopy objcopy]) 573 # Only call fixup if objcopy was found. 574 if test -n "$OBJCOPY"; then 575 BASIC_FIXUP_EXECUTABLE(OBJCOPY) 576 fi 577 fi 578 579 BASIC_CHECK_TOOLS(OBJDUMP, [gobjdump objdump]) 580 if test "x$OBJDUMP" != x; then 581 # Only used for compare.sh; we can live without it. BASIC_FIXUP_EXECUTABLE 582 # bails if argument is missing. 583 BASIC_FIXUP_EXECUTABLE(OBJDUMP) 584 fi 585]) 586 587# Setup the build tools (i.e, the compiler and linker used to build programs 588# that should be run on the build platform, not the target platform, as a build 589# helper). Since the non-cross-compile case uses the normal, target compilers 590# for this, we can only do this after these have been setup. 591AC_DEFUN_ONCE([TOOLCHAIN_SETUP_BUILD_COMPILERS], 592[ 593 if test "x$COMPILE_TYPE" = "xcross"; then 594 # Now we need to find a C/C++ compiler that can build executables for the 595 # build platform. We can't use the AC_PROG_CC macro, since it can only be 596 # used once. Also, we need to do this without adding a tools dir to the 597 # path, otherwise we might pick up cross-compilers which don't use standard 598 # naming. 599 600 # FIXME: we should list the discovered compilers as an exclude pattern! 601 # If we do that, we can do this detection before POST_DETECTION, and still 602 # find the build compilers in the tools dir, if needed. 603 BASIC_PATH_PROGS(BUILD_CC, [cl cc gcc]) 604 BASIC_FIXUP_EXECUTABLE(BUILD_CC) 605 BASIC_PATH_PROGS(BUILD_CXX, [cl CC g++]) 606 BASIC_FIXUP_EXECUTABLE(BUILD_CXX) 607 BASIC_PATH_PROGS(BUILD_LD, ld) 608 BASIC_FIXUP_EXECUTABLE(BUILD_LD) 609 else 610 # If we are not cross compiling, use the normal target compilers for 611 # building the build platform executables. 612 BUILD_CC="$CC" 613 BUILD_CXX="$CXX" 614 BUILD_LD="$LD" 615 fi 616 617 AC_SUBST(BUILD_CC) 618 AC_SUBST(BUILD_CXX) 619 AC_SUBST(BUILD_LD) 620]) 621 622# Setup legacy variables that are still needed as alternative ways to refer to 623# parts of the toolchain. 624AC_DEFUN_ONCE([TOOLCHAIN_SETUP_LEGACY], 625[ 626 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 627 # For hotspot, we need these in Windows mixed path, 628 # so rewrite them all. Need added .exe suffix. 629 HOTSPOT_CXX="$CXX.exe" 630 HOTSPOT_LD="$LD.exe" 631 HOTSPOT_MT="$MT.exe" 632 HOTSPOT_RC="$RC.exe" 633 BASIC_WINDOWS_REWRITE_AS_WINDOWS_MIXED_PATH(HOTSPOT_CXX) 634 BASIC_WINDOWS_REWRITE_AS_WINDOWS_MIXED_PATH(HOTSPOT_LD) 635 BASIC_WINDOWS_REWRITE_AS_WINDOWS_MIXED_PATH(HOTSPOT_MT) 636 BASIC_WINDOWS_REWRITE_AS_WINDOWS_MIXED_PATH(HOTSPOT_RC) 637 AC_SUBST(HOTSPOT_MT) 638 AC_SUBST(HOTSPOT_RC) 639 else 640 HOTSPOT_CXX="$CXX" 641 HOTSPOT_LD="$LD" 642 fi 643 AC_SUBST(HOTSPOT_CXX) 644 AC_SUBST(HOTSPOT_LD) 645 646 if test "x$TOOLCHAIN_TYPE" = xclang; then 647 USE_CLANG=true 648 fi 649 AC_SUBST(USE_CLANG) 650 651 # LDEXE is the linker to use, when creating executables. Not really used. 652 # FIXME: These should just be removed! 653 LDEXE="$LD" 654 LDEXECXX="$LDCXX" 655 AC_SUBST(LDEXE) 656 AC_SUBST(LDEXECXX) 657]) 658 659# Do some additional checks on the detected tools. 660AC_DEFUN_ONCE([TOOLCHAIN_MISC_CHECKS], 661[ 662 # The package path is used only on macosx? 663 # FIXME: clean this up, and/or move it elsewhere. 664 PACKAGE_PATH=/opt/local 665 AC_SUBST(PACKAGE_PATH) 666 667 # Check for extra potential brokenness. 668 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 669 # On Windows, double-check that we got the right compiler. 670 CC_VERSION_OUTPUT=`$CC 2>&1 | $HEAD -n 1 | $TR -d '\r'` 671 COMPILER_CPU_TEST=`$ECHO $CC_VERSION_OUTPUT | $SED -n "s/^.* \(.*\)$/\1/p"` 672 if test "x$OPENJDK_TARGET_CPU" = "xx86"; then 673 if test "x$COMPILER_CPU_TEST" != "x80x86"; then 674 AC_MSG_ERROR([Target CPU mismatch. We are building for $OPENJDK_TARGET_CPU but CL is for "$COMPILER_CPU_TEST"; expected "80x86".]) 675 fi 676 elif test "x$OPENJDK_TARGET_CPU" = "xx86_64"; then 677 if test "x$COMPILER_CPU_TEST" != "xx64"; then 678 AC_MSG_ERROR([Target CPU mismatch. We are building for $OPENJDK_TARGET_CPU but CL is for "$COMPILER_CPU_TEST"; expected "x64".]) 679 fi 680 fi 681 fi 682 683 if test "x$TOOLCHAIN_TYPE" = xgcc; then 684 # If this is a --hash-style=gnu system, use --hash-style=both, why? 685 HAS_GNU_HASH=`$CC -dumpspecs 2>/dev/null | $GREP 'hash-style=gnu'` 686 # This is later checked when setting flags. 687 fi 688 689 # Check for broken SuSE 'ld' for which 'Only anonymous version tag is allowed 690 # in executable.' 691 USING_BROKEN_SUSE_LD=no 692 if test "x$OPENJDK_TARGET_OS" = xlinux && test "x$TOOLCHAIN_TYPE" = xgcc; then 693 AC_MSG_CHECKING([for broken SuSE 'ld' which only understands anonymous version tags in executables]) 694 echo "SUNWprivate_1.1 { local: *; };" > version-script.map 695 echo "int main() { }" > main.c 696 if $CXX -Xlinker -version-script=version-script.map main.c 2>&AS_MESSAGE_LOG_FD >&AS_MESSAGE_LOG_FD; then 697 AC_MSG_RESULT(no) 698 USING_BROKEN_SUSE_LD=no 699 else 700 AC_MSG_RESULT(yes) 701 USING_BROKEN_SUSE_LD=yes 702 fi 703 rm -rf version-script.map main.c a.out 704 fi 705 AC_SUBST(USING_BROKEN_SUSE_LD) 706]) 707 708# Setup the JTReg Regression Test Harness. 709AC_DEFUN_ONCE([TOOLCHAIN_SETUP_JTREG], 710[ 711 AC_ARG_WITH(jtreg, [AS_HELP_STRING([--with-jtreg], 712 [Regression Test Harness @<:@probed@:>@])], 713 [], 714 [with_jtreg=no]) 715 716 if test "x$with_jtreg" = xno; then 717 # jtreg disabled 718 AC_MSG_CHECKING([for jtreg]) 719 AC_MSG_RESULT(no) 720 else 721 if test "x$with_jtreg" != xyes; then 722 # with path specified. 723 JT_HOME="$with_jtreg" 724 fi 725 726 if test "x$JT_HOME" != x; then 727 AC_MSG_CHECKING([for jtreg]) 728 729 # use JT_HOME enviroment var. 730 BASIC_FIXUP_PATH([JT_HOME]) 731 732 # jtreg win32 script works for everybody 733 JTREGEXE="$JT_HOME/win32/bin/jtreg" 734 735 if test ! -f "$JTREGEXE"; then 736 AC_MSG_ERROR([JTReg executable does not exist: $JTREGEXE]) 737 fi 738 739 AC_MSG_RESULT($JTREGEXE) 740 else 741 # try to find jtreg on path 742 BASIC_REQUIRE_PROGS(JTREGEXE, jtreg) 743 JT_HOME="`$DIRNAME $JTREGEXE`" 744 fi 745 fi 746 747 AC_SUBST(JT_HOME) 748 AC_SUBST(JTREGEXE) 749]) 750