toolchain.m4 revision 1076:26ba036c46fc
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 if test -n "$XCODEBUILD"; then 102 # On Mac OS X, default toolchain to clang after Xcode 5 103 XCODE_VERSION_OUTPUT=`"$XCODEBUILD" -version 2>&1 | $HEAD -n 1` 104 $ECHO "$XCODE_VERSION_OUTPUT" | $GREP "Xcode " > /dev/null 105 if test $? -ne 0; then 106 AC_MSG_ERROR([Failed to determine Xcode version.]) 107 fi 108 XCODE_MAJOR_VERSION=`$ECHO $XCODE_VERSION_OUTPUT | \ 109 $SED -e 's/^Xcode \(@<:@1-9@:>@@<:@0-9.@:>@*\)/\1/' | \ 110 $CUT -f 1 -d .` 111 AC_MSG_NOTICE([Xcode major version: $XCODE_MAJOR_VERSION]) 112 if test $XCODE_MAJOR_VERSION -ge 5; then 113 DEFAULT_TOOLCHAIN="clang" 114 else 115 DEFAULT_TOOLCHAIN="gcc" 116 fi 117 else 118 # If Xcode is not installed, but the command line tools are 119 # then we can't run xcodebuild. On these systems we should 120 # default to clang 121 DEFAULT_TOOLCHAIN="clang" 122 fi 123 else 124 # First toolchain type in the list is the default 125 DEFAULT_TOOLCHAIN=${VALID_TOOLCHAINS%% *} 126 fi 127 128 if test "x$with_toolchain_type" = xlist; then 129 # List all toolchains 130 AC_MSG_NOTICE([The following toolchains are valid on this platform:]) 131 for toolchain in $VALID_TOOLCHAINS; do 132 toolchain_var_name=TOOLCHAIN_DESCRIPTION_$toolchain 133 TOOLCHAIN_DESCRIPTION=${!toolchain_var_name} 134 $PRINTF " %-10s %s\n" $toolchain "$TOOLCHAIN_DESCRIPTION" 135 done 136 137 exit 0 138 elif test "x$with_toolchain_type" != x; then 139 # User override; check that it is valid 140 if test "x${VALID_TOOLCHAINS/$with_toolchain_type/}" = "x${VALID_TOOLCHAINS}"; then 141 AC_MSG_NOTICE([Toolchain type $with_toolchain_type is not valid on this platform.]) 142 AC_MSG_NOTICE([Valid toolchains: $VALID_TOOLCHAINS.]) 143 AC_MSG_ERROR([Cannot continue.]) 144 fi 145 TOOLCHAIN_TYPE=$with_toolchain_type 146 else 147 # No flag given, use default 148 TOOLCHAIN_TYPE=$DEFAULT_TOOLCHAIN 149 fi 150 AC_SUBST(TOOLCHAIN_TYPE) 151 152 TOOLCHAIN_CC_BINARY_clang="clang" 153 TOOLCHAIN_CC_BINARY_gcc="gcc" 154 TOOLCHAIN_CC_BINARY_microsoft="cl" 155 TOOLCHAIN_CC_BINARY_solstudio="cc" 156 TOOLCHAIN_CC_BINARY_xlc="xlc_r" 157 158 TOOLCHAIN_CXX_BINARY_clang="clang++" 159 TOOLCHAIN_CXX_BINARY_gcc="g++" 160 TOOLCHAIN_CXX_BINARY_microsoft="cl" 161 TOOLCHAIN_CXX_BINARY_solstudio="CC" 162 TOOLCHAIN_CXX_BINARY_xlc="xlC_r" 163 164 # Use indirect variable referencing 165 toolchain_var_name=TOOLCHAIN_DESCRIPTION_$TOOLCHAIN_TYPE 166 TOOLCHAIN_DESCRIPTION=${!toolchain_var_name} 167 toolchain_var_name=TOOLCHAIN_CC_BINARY_$TOOLCHAIN_TYPE 168 TOOLCHAIN_CC_BINARY=${!toolchain_var_name} 169 toolchain_var_name=TOOLCHAIN_CXX_BINARY_$TOOLCHAIN_TYPE 170 TOOLCHAIN_CXX_BINARY=${!toolchain_var_name} 171 172 TOOLCHAIN_SETUP_FILENAME_PATTERNS 173 174 if test "x$TOOLCHAIN_TYPE" = "x$DEFAULT_TOOLCHAIN"; then 175 AC_MSG_NOTICE([Using default toolchain $TOOLCHAIN_TYPE ($TOOLCHAIN_DESCRIPTION)]) 176 else 177 AC_MSG_NOTICE([Using user selected toolchain $TOOLCHAIN_TYPE ($TOOLCHAIN_DESCRIPTION). Default toolchain is $DEFAULT_TOOLCHAIN.]) 178 fi 179]) 180 181# Before we start detecting the toolchain executables, we might need some 182# special setup, e.g. additional paths etc. 183AC_DEFUN_ONCE([TOOLCHAIN_PRE_DETECTION], 184[ 185 # FIXME: Is this needed? 186 AC_LANG(C++) 187 188 # Store the CFLAGS etc passed to the configure script. 189 ORG_CFLAGS="$CFLAGS" 190 ORG_CXXFLAGS="$CXXFLAGS" 191 ORG_OBJCFLAGS="$OBJCFLAGS" 192 193 # On Windows, we need to detect the visual studio installation first. 194 # This will change the PATH, but we need to keep that new PATH even 195 # after toolchain detection is done, since the compiler (on x86) uses 196 # it for DLL resolution in runtime. 197 if test "x$OPENJDK_BUILD_OS" = "xwindows" && test "x$TOOLCHAIN_TYPE" = "xmicrosoft"; then 198 TOOLCHAIN_SETUP_VISUAL_STUDIO_ENV 199 # Reset path to VS_PATH. It will include everything that was on PATH at the time we 200 # ran TOOLCHAIN_SETUP_VISUAL_STUDIO_ENV. 201 PATH="$VS_PATH" 202 # The microsoft toolchain also requires INCLUDE and LIB to be set. 203 export INCLUDE="$VS_INCLUDE" 204 export LIB="$VS_LIB" 205 fi 206 207 # autoconf magic only relies on PATH, so update it if tools dir is specified 208 OLD_PATH="$PATH" 209 210 # For solaris we really need solaris tools, and not the GNU equivalent. 211 # The build tools on Solaris reside in /usr/ccs (C Compilation System), 212 # so add that to path before starting to probe. 213 # FIXME: This was originally only done for AS,NM,GNM,STRIP,MCS,OBJCOPY,OBJDUMP. 214 if test "x$OPENJDK_BUILD_OS" = xsolaris; then 215 PATH="/usr/ccs/bin:$PATH" 216 fi 217 218 # Finally add TOOLCHAIN_PATH at the beginning, to allow --with-tools-dir to 219 # override all other locations. 220 if test "x$TOOLCHAIN_PATH" != x; then 221 PATH=$TOOLCHAIN_PATH:$PATH 222 fi 223]) 224 225# Restore path, etc 226AC_DEFUN_ONCE([TOOLCHAIN_POST_DETECTION], 227[ 228 # Restore old path. 229 PATH="$OLD_PATH" 230 231 # Restore the flags to the user specified values. 232 # This is necessary since AC_PROG_CC defaults CFLAGS to "-g -O2" 233 CFLAGS="$ORG_CFLAGS" 234 CXXFLAGS="$ORG_CXXFLAGS" 235 OBJCFLAGS="$ORG_OBJCFLAGS" 236]) 237 238# Check if a compiler is of the toolchain type we expect, and save the version 239# information from it. If the compiler does not match the expected type, 240# this function will abort using AC_MSG_ERROR. If it matches, the version will 241# be stored in CC_VERSION_NUMBER/CXX_VERSION_NUMBER (as a dotted number), and 242# the full version string in CC_VERSION_STRING/CXX_VERSION_STRING. 243# 244# $1 = compiler to test (CC or CXX) 245# $2 = human readable name of compiler (C or C++) 246AC_DEFUN([TOOLCHAIN_CHECK_COMPILER_VERSION], 247[ 248 COMPILER=[$]$1 249 COMPILER_NAME=$2 250 251 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then 252 # cc -V output typically looks like 253 # cc: Sun C 5.12 Linux_i386 2011/11/16 254 COMPILER_VERSION_OUTPUT=`$COMPILER -V 2>&1` 255 # Check that this is likely to be the Solaris Studio cc. 256 $ECHO "$COMPILER_VERSION_OUTPUT" | $GREP "^.*: Sun $COMPILER_NAME" > /dev/null 257 if test $? -ne 0; then 258 ALT_VERSION_OUTPUT=`$COMPILER --version 2>&1` 259 AC_MSG_NOTICE([The $COMPILER_NAME compiler (located as $COMPILER) does not seem to be the required $TOOLCHAIN_TYPE compiler.]) 260 AC_MSG_NOTICE([The result from running with -V was: "$COMPILER_VERSION_OUTPUT"]) 261 AC_MSG_NOTICE([The result from running with --version was: "$ALT_VERSION_OUTPUT"]) 262 AC_MSG_ERROR([A $TOOLCHAIN_TYPE compiler is required. Try setting --with-tools-dir.]) 263 fi 264 # Remove usage instructions (if present), and 265 # collapse compiler output into a single line 266 COMPILER_VERSION_STRING=`$ECHO $COMPILER_VERSION_OUTPUT | \ 267 $SED -e 's/ *@<:@Uu@:>@sage:.*//'` 268 COMPILER_VERSION_NUMBER=`$ECHO $COMPILER_VERSION_OUTPUT | \ 269 $SED -e "s/^.*@<:@ ,\t@:>@$COMPILER_NAME@<:@ ,\t@:>@\(@<:@1-9@:>@\.@<:@0-9@:>@@<:@0-9@:>@*\).*/\1/"` 270 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 271 # xlc -qversion output typically looks like 272 # IBM XL C/C++ for AIX, V11.1 (5724-X13) 273 # Version: 11.01.0000.0015 274 COMPILER_VERSION_OUTPUT=`$COMPILER -qversion 2>&1` 275 # Check that this is likely to be the IBM XL C compiler. 276 $ECHO "$COMPILER_VERSION_OUTPUT" | $GREP "IBM XL C" > /dev/null 277 if test $? -ne 0; then 278 ALT_VERSION_OUTPUT=`$COMPILER --version 2>&1` 279 AC_MSG_NOTICE([The $COMPILER_NAME compiler (located as $COMPILER) does not seem to be the required $TOOLCHAIN_TYPE compiler.]) 280 AC_MSG_NOTICE([The result from running with -qversion was: "$COMPILER_VERSION_OUTPUT"]) 281 AC_MSG_NOTICE([The result from running with --version was: "$ALT_VERSION_OUTPUT"]) 282 AC_MSG_ERROR([A $TOOLCHAIN_TYPE compiler is required. Try setting --with-tools-dir.]) 283 fi 284 # Collapse compiler output into a single line 285 COMPILER_VERSION_STRING=`$ECHO $COMPILER_VERSION_OUTPUT` 286 COMPILER_VERSION_NUMBER=`$ECHO $COMPILER_VERSION_OUTPUT | \ 287 $SED -e 's/^.*, V\(@<:@1-9@:>@@<:@0-9.@:>@*\).*$/\1/'` 288 elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 289 # There is no specific version flag, but all output starts with a version string. 290 # First line typically looks something like: 291 # Microsoft (R) 32-bit C/C++ Optimizing Compiler Version 16.00.40219.01 for 80x86 292 COMPILER_VERSION_OUTPUT=`$COMPILER 2>&1 | $HEAD -n 1 | $TR -d '\r'` 293 # Check that this is likely to be Microsoft CL.EXE. 294 $ECHO "$COMPILER_VERSION_OUTPUT" | $GREP "Microsoft.*Compiler" > /dev/null 295 if test $? -ne 0; then 296 AC_MSG_NOTICE([The $COMPILER_NAME compiler (located as $COMPILER) does not seem to be the required $TOOLCHAIN_TYPE compiler.]) 297 AC_MSG_NOTICE([The result from running it was: "$COMPILER_VERSION_OUTPUT"]) 298 AC_MSG_ERROR([A $TOOLCHAIN_TYPE compiler is required. Try setting --with-tools-dir.]) 299 fi 300 # Collapse compiler output into a single line 301 COMPILER_VERSION_STRING=`$ECHO $COMPILER_VERSION_OUTPUT` 302 COMPILER_VERSION_NUMBER=`$ECHO $COMPILER_VERSION_OUTPUT | \ 303 $SED -e 's/^.*ersion.\(@<:@1-9@:>@@<:@0-9.@:>@*\) .*$/\1/'` 304 elif test "x$TOOLCHAIN_TYPE" = xgcc; then 305 # gcc --version output typically looks like 306 # gcc (Ubuntu/Linaro 4.8.1-10ubuntu9) 4.8.1 307 # Copyright (C) 2013 Free Software Foundation, Inc. 308 # This is free software; see the source for copying conditions. There is NO 309 # warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 310 COMPILER_VERSION_OUTPUT=`$COMPILER --version 2>&1` 311 # Check that this is likely to be GCC. 312 $ECHO "$COMPILER_VERSION_OUTPUT" | $GREP "Free Software Foundation" > /dev/null 313 if test $? -ne 0; then 314 AC_MSG_NOTICE([The $COMPILER_NAME compiler (located as $COMPILER) does not seem to be the required $TOOLCHAIN_TYPE compiler.]) 315 AC_MSG_NOTICE([The result from running with --version was: "$COMPILER_VERSION"]) 316 AC_MSG_ERROR([A $TOOLCHAIN_TYPE compiler is required. Try setting --with-tools-dir.]) 317 fi 318 # Remove Copyright and legalese from version string, and 319 # collapse into a single line 320 COMPILER_VERSION_STRING=`$ECHO $COMPILER_VERSION_OUTPUT | \ 321 $SED -e 's/ *Copyright .*//'` 322 COMPILER_VERSION_NUMBER=`$ECHO $COMPILER_VERSION_OUTPUT | \ 323 $SED -e 's/^.* \(@<:@1-9@:>@\.@<:@0-9.@:>@*\) .*$/\1/'` 324 elif test "x$TOOLCHAIN_TYPE" = xclang; then 325 # clang --version output typically looks like 326 # Apple LLVM version 5.0 (clang-500.2.79) (based on LLVM 3.3svn) 327 # clang version 3.3 (tags/RELEASE_33/final) 328 # or 329 # Debian clang version 3.2-7ubuntu1 (tags/RELEASE_32/final) (based on LLVM 3.2) 330 # Target: x86_64-pc-linux-gnu 331 # Thread model: posix 332 COMPILER_VERSION_OUTPUT=`$COMPILER --version 2>&1` 333 # Check that this is likely to be clang 334 $ECHO "$COMPILER_VERSION_OUTPUT" | $GREP "clang" > /dev/null 335 if test $? -ne 0; then 336 AC_MSG_NOTICE([The $COMPILER_NAME compiler (located as $COMPILER) does not seem to be the required $TOOLCHAIN_TYPE compiler.]) 337 AC_MSG_NOTICE([The result from running with --version was: "$COMPILER_VERSION_OUTPUT"]) 338 AC_MSG_ERROR([A $TOOLCHAIN_TYPE compiler is required. Try setting --with-tools-dir.]) 339 fi 340 # Collapse compiler output into a single line 341 COMPILER_VERSION_STRING=`$ECHO $COMPILER_VERSION_OUTPUT` 342 COMPILER_VERSION_NUMBER=`$ECHO $COMPILER_VERSION_OUTPUT | \ 343 $SED -e 's/^.*clang version \(@<:@1-9@:>@@<:@0-9.@:>@*\).*$/\1/'` 344 else 345 AC_MSG_ERROR([Unknown toolchain type $TOOLCHAIN_TYPE.]) 346 fi 347 # This sets CC_VERSION_NUMBER or CXX_VERSION_NUMBER. (This comment is a grep marker) 348 $1_VERSION_NUMBER="$COMPILER_VERSION_NUMBER" 349 # This sets CC_VERSION_STRING or CXX_VERSION_STRING. (This comment is a grep marker) 350 $1_VERSION_STRING="$COMPILER_VERSION_STRING" 351 352 AC_MSG_NOTICE([Using $TOOLCHAIN_TYPE $COMPILER_NAME compiler version $COMPILER_VERSION_NUMBER @<:@$COMPILER_VERSION_STRING@:>@]) 353]) 354 355# Try to locate the given C or C++ compiler in the path, or otherwise. 356# 357# $1 = compiler to test (CC or CXX) 358# $2 = human readable name of compiler (C or C++) 359# $3 = list of compiler names to search for 360AC_DEFUN([TOOLCHAIN_FIND_COMPILER], 361[ 362 COMPILER_NAME=$2 363 SEARCH_LIST="$3" 364 365 if test "x[$]$1" != x; then 366 # User has supplied compiler name already, always let that override. 367 AC_MSG_NOTICE([Will use user supplied compiler $1=[$]$1]) 368 if test "x`basename [$]$1`" = "x[$]$1"; then 369 # A command without a complete path is provided, search $PATH. 370 371 AC_PATH_PROGS(POTENTIAL_$1, [$]$1) 372 if test "x$POTENTIAL_$1" != x; then 373 $1=$POTENTIAL_$1 374 else 375 AC_MSG_ERROR([User supplied compiler $1=[$]$1 could not be found]) 376 fi 377 else 378 # Otherwise it might already be a complete path 379 if test ! -x "[$]$1"; then 380 AC_MSG_ERROR([User supplied compiler $1=[$]$1 does not exist]) 381 fi 382 fi 383 else 384 # No user supplied value. Locate compiler ourselves. 385 386 # If we are cross compiling, assume cross compilation tools follows the 387 # cross compilation standard where they are prefixed with the autoconf 388 # standard name for the target. For example the binary 389 # i686-sun-solaris2.10-gcc will cross compile for i686-sun-solaris2.10. 390 # If we are not cross compiling, then the default compiler name will be 391 # used. 392 393 $1= 394 # If TOOLCHAIN_PATH is set, check for all compiler names in there first 395 # before checking the rest of the PATH. 396 # FIXME: Now that we prefix the TOOLS_DIR to the PATH in the PRE_DETECTION 397 # step, this should not be necessary. 398 if test -n "$TOOLCHAIN_PATH"; then 399 PATH_save="$PATH" 400 PATH="$TOOLCHAIN_PATH" 401 AC_PATH_PROGS(TOOLCHAIN_PATH_$1, $SEARCH_LIST) 402 $1=$TOOLCHAIN_PATH_$1 403 PATH="$PATH_save" 404 fi 405 406 # AC_PATH_PROGS can't be run multiple times with the same variable, 407 # so create a new name for this run. 408 if test "x[$]$1" = x; then 409 AC_PATH_PROGS(POTENTIAL_$1, $SEARCH_LIST) 410 $1=$POTENTIAL_$1 411 fi 412 413 if test "x[$]$1" = x; then 414 HELP_MSG_MISSING_DEPENDENCY([devkit]) 415 AC_MSG_ERROR([Could not find a $COMPILER_NAME compiler. $HELP_MSG]) 416 fi 417 fi 418 419 # Now we have a compiler binary in $1. Make sure it's okay. 420 BASIC_FIXUP_EXECUTABLE($1) 421 TEST_COMPILER="[$]$1" 422 # Don't remove symbolic links on AIX because 'xlc_r' and 'xlC_r' may all be links 423 # to 'xlc' but it is crucial that we invoke the compiler with the right name! 424 if test "x$OPENJDK_BUILD_OS" != xaix; then 425 # FIXME: This test should not be needed anymore; we don't do that for any platform. 426 AC_MSG_CHECKING([resolved symbolic links for $1]) 427 BASIC_REMOVE_SYMBOLIC_LINKS(TEST_COMPILER) 428 AC_MSG_RESULT([$TEST_COMPILER]) 429 fi 430 AC_MSG_CHECKING([if $1 is disguised ccache]) 431 432 COMPILER_BASENAME=`$BASENAME "$TEST_COMPILER"` 433 if test "x$COMPILER_BASENAME" = "xccache"; then 434 AC_MSG_RESULT([yes, trying to find proper $COMPILER_NAME compiler]) 435 # We /usr/lib/ccache in the path, so cc is a symlink to /usr/bin/ccache. 436 # We want to control ccache invocation ourselves, so ignore this cc and try 437 # searching again. 438 439 # Remove the path to the fake ccache cc from the PATH 440 RETRY_COMPILER_SAVED_PATH="$PATH" 441 COMPILER_DIRNAME=`$DIRNAME [$]$1` 442 PATH="`$ECHO $PATH | $SED -e "s,$COMPILER_DIRNAME,,g" -e "s,::,:,g" -e "s,^:,,g"`" 443 444 # Try again looking for our compiler 445 AC_CHECK_TOOLS(PROPER_COMPILER_$1, $3) 446 BASIC_FIXUP_EXECUTABLE(PROPER_COMPILER_$1) 447 PATH="$RETRY_COMPILER_SAVED_PATH" 448 449 AC_MSG_CHECKING([for resolved symbolic links for $1]) 450 BASIC_REMOVE_SYMBOLIC_LINKS(PROPER_COMPILER_$1) 451 AC_MSG_RESULT([$PROPER_COMPILER_$1]) 452 $1="$PROPER_COMPILER_$1" 453 else 454 AC_MSG_RESULT([no, keeping $1]) 455 fi 456 457 TOOLCHAIN_CHECK_COMPILER_VERSION([$1], [$COMPILER_NAME]) 458]) 459 460# Detect the core components of the toolchain, i.e. the compilers (CC and CXX), 461# preprocessor (CPP and CXXCPP), the linker (LD), the assembler (AS) and the 462# archiver (AR). Verify that the compilers are correct according to the 463# toolchain type. 464AC_DEFUN_ONCE([TOOLCHAIN_DETECT_TOOLCHAIN_CORE], 465[ 466 # 467 # Setup the compilers (CC and CXX) 468 # 469 TOOLCHAIN_FIND_COMPILER([CC], [C], $TOOLCHAIN_CC_BINARY) 470 # Now that we have resolved CC ourself, let autoconf have its go at it 471 AC_PROG_CC([$CC]) 472 473 TOOLCHAIN_FIND_COMPILER([CXX], [C++], $TOOLCHAIN_CXX_BINARY) 474 # Now that we have resolved CXX ourself, let autoconf have its go at it 475 AC_PROG_CXX([$CXX]) 476 477 # 478 # Setup the preprocessor (CPP and CXXCPP) 479 # 480 AC_PROG_CPP 481 BASIC_FIXUP_EXECUTABLE(CPP) 482 AC_PROG_CXXCPP 483 BASIC_FIXUP_EXECUTABLE(CXXCPP) 484 485 # 486 # Setup the linker (LD) 487 # 488 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 489 # In the Microsoft toolchain we have a separate LD command "link". 490 # Make sure we reject /usr/bin/link (as determined in CYGWIN_LINK), which is 491 # a cygwin program for something completely different. 492 AC_CHECK_PROG([LD], [link],[link],,, [$CYGWIN_LINK]) 493 BASIC_FIXUP_EXECUTABLE(LD) 494 # Verify that we indeed succeeded with this trick. 495 AC_MSG_CHECKING([if the found link.exe is actually the Visual Studio linker]) 496 "$LD" --version > /dev/null 497 if test $? -eq 0 ; then 498 AC_MSG_RESULT([no]) 499 AC_MSG_ERROR([This is the Cygwin link tool. Please check your PATH and rerun configure.]) 500 else 501 AC_MSG_RESULT([yes]) 502 fi 503 LDCXX="$LD" 504 else 505 # All other toolchains use the compiler to link. 506 LD="$CC" 507 LDCXX="$CXX" 508 fi 509 AC_SUBST(LD) 510 # FIXME: it should be CXXLD, according to standard (cf CXXCPP) 511 AC_SUBST(LDCXX) 512 513 # 514 # Setup the assembler (AS) 515 # 516 if test "x$OPENJDK_TARGET_OS" = xsolaris; then 517 # FIXME: should this really be solaris, or solstudio? 518 BASIC_PATH_PROGS(AS, as) 519 BASIC_FIXUP_EXECUTABLE(AS) 520 else 521 # FIXME: is this correct for microsoft? 522 AS="$CC -c" 523 fi 524 AC_SUBST(AS) 525 526 # 527 # Setup the archiver (AR) 528 # 529 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 530 # The corresponding ar tool is lib.exe (used to create static libraries) 531 AC_CHECK_PROG([AR], [lib],[lib],,,) 532 else 533 BASIC_CHECK_TOOLS(AR, ar) 534 fi 535 BASIC_FIXUP_EXECUTABLE(AR) 536]) 537 538# Setup additional tools that is considered a part of the toolchain, but not the 539# core part. Many of these are highly platform-specific and do not exist, 540# and/or are not needed on all platforms. 541AC_DEFUN_ONCE([TOOLCHAIN_DETECT_TOOLCHAIN_EXTRA], 542[ 543 if test "x$OPENJDK_TARGET_OS" = "xmacosx"; then 544 AC_PROG_OBJC 545 BASIC_FIXUP_EXECUTABLE(OBJC) 546 BASIC_PATH_PROGS(LIPO, lipo) 547 BASIC_FIXUP_EXECUTABLE(LIPO) 548 else 549 OBJC= 550 fi 551 552 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 553 AC_CHECK_PROG([MT], [mt], [mt],,, [/usr/bin/mt]) 554 BASIC_FIXUP_EXECUTABLE(MT) 555 # Setup the resource compiler (RC) 556 AC_CHECK_PROG([RC], [rc], [rc],,, [/usr/bin/rc]) 557 BASIC_FIXUP_EXECUTABLE(RC) 558 AC_CHECK_PROG([DUMPBIN], [dumpbin], [dumpbin],,,) 559 BASIC_FIXUP_EXECUTABLE(DUMPBIN) 560 fi 561 562 if test "x$OPENJDK_TARGET_OS" = xsolaris; then 563 BASIC_PATH_PROGS(STRIP, strip) 564 BASIC_FIXUP_EXECUTABLE(STRIP) 565 BASIC_PATH_PROGS(NM, nm) 566 BASIC_FIXUP_EXECUTABLE(NM) 567 BASIC_PATH_PROGS(GNM, gnm) 568 BASIC_FIXUP_EXECUTABLE(GNM) 569 570 BASIC_PATH_PROGS(MCS, mcs) 571 BASIC_FIXUP_EXECUTABLE(MCS) 572 elif test "x$OPENJDK_TARGET_OS" != xwindows; then 573 # FIXME: we should unify this with the solaris case above. 574 BASIC_CHECK_TOOLS(STRIP, strip) 575 BASIC_FIXUP_EXECUTABLE(STRIP) 576 BASIC_CHECK_TOOLS(NM, nm) 577 BASIC_FIXUP_EXECUTABLE(NM) 578 GNM="$NM" 579 AC_SUBST(GNM) 580 fi 581 582 # objcopy is used for moving debug symbols to separate files when 583 # full debug symbols are enabled. 584 if test "x$OPENJDK_TARGET_OS" = xsolaris || test "x$OPENJDK_TARGET_OS" = xlinux; then 585 BASIC_CHECK_TOOLS(OBJCOPY, [gobjcopy objcopy]) 586 # Only call fixup if objcopy was found. 587 if test -n "$OBJCOPY"; then 588 BASIC_FIXUP_EXECUTABLE(OBJCOPY) 589 fi 590 fi 591 592 BASIC_CHECK_TOOLS(OBJDUMP, [gobjdump objdump]) 593 if test "x$OBJDUMP" != x; then 594 # Only used for compare.sh; we can live without it. BASIC_FIXUP_EXECUTABLE 595 # bails if argument is missing. 596 BASIC_FIXUP_EXECUTABLE(OBJDUMP) 597 fi 598]) 599 600# Setup the build tools (i.e, the compiler and linker used to build programs 601# that should be run on the build platform, not the target platform, as a build 602# helper). Since the non-cross-compile case uses the normal, target compilers 603# for this, we can only do this after these have been setup. 604AC_DEFUN_ONCE([TOOLCHAIN_SETUP_BUILD_COMPILERS], 605[ 606 if test "x$COMPILE_TYPE" = "xcross"; then 607 # Now we need to find a C/C++ compiler that can build executables for the 608 # build platform. We can't use the AC_PROG_CC macro, since it can only be 609 # used once. Also, we need to do this without adding a tools dir to the 610 # path, otherwise we might pick up cross-compilers which don't use standard 611 # naming. 612 613 # FIXME: we should list the discovered compilers as an exclude pattern! 614 # If we do that, we can do this detection before POST_DETECTION, and still 615 # find the build compilers in the tools dir, if needed. 616 BASIC_PATH_PROGS(BUILD_CC, [cl cc gcc]) 617 BASIC_FIXUP_EXECUTABLE(BUILD_CC) 618 BASIC_PATH_PROGS(BUILD_CXX, [cl CC g++]) 619 BASIC_FIXUP_EXECUTABLE(BUILD_CXX) 620 BASIC_PATH_PROGS(BUILD_LD, ld) 621 BASIC_FIXUP_EXECUTABLE(BUILD_LD) 622 else 623 # If we are not cross compiling, use the normal target compilers for 624 # building the build platform executables. 625 BUILD_CC="$CC" 626 BUILD_CXX="$CXX" 627 BUILD_LD="$LD" 628 fi 629 630 AC_SUBST(BUILD_CC) 631 AC_SUBST(BUILD_CXX) 632 AC_SUBST(BUILD_LD) 633]) 634 635# Setup legacy variables that are still needed as alternative ways to refer to 636# parts of the toolchain. 637AC_DEFUN_ONCE([TOOLCHAIN_SETUP_LEGACY], 638[ 639 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 640 # For hotspot, we need these in Windows mixed path, 641 # so rewrite them all. Need added .exe suffix. 642 HOTSPOT_CXX="$CXX.exe" 643 HOTSPOT_LD="$LD.exe" 644 HOTSPOT_MT="$MT.exe" 645 HOTSPOT_RC="$RC.exe" 646 BASIC_WINDOWS_REWRITE_AS_WINDOWS_MIXED_PATH(HOTSPOT_CXX) 647 BASIC_WINDOWS_REWRITE_AS_WINDOWS_MIXED_PATH(HOTSPOT_LD) 648 BASIC_WINDOWS_REWRITE_AS_WINDOWS_MIXED_PATH(HOTSPOT_MT) 649 BASIC_WINDOWS_REWRITE_AS_WINDOWS_MIXED_PATH(HOTSPOT_RC) 650 AC_SUBST(HOTSPOT_MT) 651 AC_SUBST(HOTSPOT_RC) 652 else 653 HOTSPOT_CXX="$CXX" 654 HOTSPOT_LD="$LD" 655 fi 656 AC_SUBST(HOTSPOT_CXX) 657 AC_SUBST(HOTSPOT_LD) 658 659 if test "x$TOOLCHAIN_TYPE" = xclang; then 660 USE_CLANG=true 661 fi 662 AC_SUBST(USE_CLANG) 663 664 # LDEXE is the linker to use, when creating executables. Not really used. 665 # FIXME: These should just be removed! 666 LDEXE="$LD" 667 LDEXECXX="$LDCXX" 668 AC_SUBST(LDEXE) 669 AC_SUBST(LDEXECXX) 670]) 671 672# Do some additional checks on the detected tools. 673AC_DEFUN_ONCE([TOOLCHAIN_MISC_CHECKS], 674[ 675 # The package path is used only on macosx? 676 # FIXME: clean this up, and/or move it elsewhere. 677 PACKAGE_PATH=/opt/local 678 AC_SUBST(PACKAGE_PATH) 679 680 # Check for extra potential brokenness. 681 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 682 # On Windows, double-check that we got the right compiler. 683 CC_VERSION_OUTPUT=`$CC 2>&1 | $HEAD -n 1 | $TR -d '\r'` 684 COMPILER_CPU_TEST=`$ECHO $CC_VERSION_OUTPUT | $SED -n "s/^.* \(.*\)$/\1/p"` 685 if test "x$OPENJDK_TARGET_CPU" = "xx86"; then 686 if test "x$COMPILER_CPU_TEST" != "x80x86"; then 687 AC_MSG_ERROR([Target CPU mismatch. We are building for $OPENJDK_TARGET_CPU but CL is for "$COMPILER_CPU_TEST"; expected "80x86".]) 688 fi 689 elif test "x$OPENJDK_TARGET_CPU" = "xx86_64"; then 690 if test "x$COMPILER_CPU_TEST" != "xx64"; then 691 AC_MSG_ERROR([Target CPU mismatch. We are building for $OPENJDK_TARGET_CPU but CL is for "$COMPILER_CPU_TEST"; expected "x64".]) 692 fi 693 fi 694 fi 695 696 if test "x$TOOLCHAIN_TYPE" = xgcc; then 697 # If this is a --hash-style=gnu system, use --hash-style=both, why? 698 HAS_GNU_HASH=`$CC -dumpspecs 2>/dev/null | $GREP 'hash-style=gnu'` 699 # This is later checked when setting flags. 700 701 # "-Og" suppported for GCC 4.8 and later 702 CFLAG_OPTIMIZE_DEBUG_FLAG="-Og" 703 FLAGS_COMPILER_CHECK_ARGUMENTS([$CFLAG_OPTIMIZE_DEBUG_FLAG], 704 [HAS_CFLAG_OPTIMIZE_DEBUG=true], 705 [HAS_CFLAG_OPTIMIZE_DEBUG=false]) 706 707 # "-fsanitize=undefined" supported for GCC 4.9 and later 708 CFLAG_DETECT_UNDEFINED_BEHAVIOR_FLAG="-fsanitize=undefined -fsanitize-recover" 709 FLAGS_COMPILER_CHECK_ARGUMENTS([$CFLAG_DETECT_UNDEFINED_BEHAVIOR_FLAG], 710 [HAS_CFLAG_DETECT_UNDEFINED_BEHAVIOR=true], 711 [HAS_CFLAG_DETECT_UNDEFINED_BEHAVIOR=false]) 712 713 # "-z relro" supported in GNU binutils 2.17 and later 714 LINKER_RELRO_FLAG="-Xlinker -z -Xlinker relro" 715 FLAGS_LINKER_CHECK_ARGUMENTS([$LINKER_RELRO_FLAG], 716 [HAS_LINKER_RELRO=true], 717 [HAS_LINKER_RELRO=false]) 718 719 # "-z now" supported in GNU binutils 2.11 and later 720 LINKER_NOW_FLAG="-Xlinker -z -Xlinker now" 721 FLAGS_LINKER_CHECK_ARGUMENTS([$LINKER_NOW_FLAG], 722 [HAS_LINKER_NOW=true], 723 [HAS_LINKER_NOW=false]) 724 fi 725 726 # Check for broken SuSE 'ld' for which 'Only anonymous version tag is allowed 727 # in executable.' 728 USING_BROKEN_SUSE_LD=no 729 if test "x$OPENJDK_TARGET_OS" = xlinux && test "x$TOOLCHAIN_TYPE" = xgcc; then 730 AC_MSG_CHECKING([for broken SuSE 'ld' which only understands anonymous version tags in executables]) 731 $ECHO "SUNWprivate_1.1 { local: *; };" > version-script.map 732 $ECHO "int main() { }" > main.c 733 if $CXX -Xlinker -version-script=version-script.map main.c 2>&AS_MESSAGE_LOG_FD >&AS_MESSAGE_LOG_FD; then 734 AC_MSG_RESULT(no) 735 USING_BROKEN_SUSE_LD=no 736 else 737 AC_MSG_RESULT(yes) 738 USING_BROKEN_SUSE_LD=yes 739 fi 740 rm -rf version-script.map main.c a.out 741 fi 742 AC_SUBST(USING_BROKEN_SUSE_LD) 743]) 744 745# Setup the JTReg Regression Test Harness. 746AC_DEFUN_ONCE([TOOLCHAIN_SETUP_JTREG], 747[ 748 AC_ARG_WITH(jtreg, [AS_HELP_STRING([--with-jtreg], 749 [Regression Test Harness @<:@probed@:>@])], 750 [], 751 [with_jtreg=no]) 752 753 if test "x$with_jtreg" = xno; then 754 # jtreg disabled 755 AC_MSG_CHECKING([for jtreg]) 756 AC_MSG_RESULT(no) 757 else 758 if test "x$with_jtreg" != xyes; then 759 # with path specified. 760 JT_HOME="$with_jtreg" 761 fi 762 763 if test "x$JT_HOME" != x; then 764 AC_MSG_CHECKING([for jtreg]) 765 766 # use JT_HOME enviroment var. 767 BASIC_FIXUP_PATH([JT_HOME]) 768 769 # jtreg win32 script works for everybody 770 JTREGEXE="$JT_HOME/win32/bin/jtreg" 771 772 if test ! -f "$JTREGEXE"; then 773 AC_MSG_ERROR([JTReg executable does not exist: $JTREGEXE]) 774 fi 775 776 AC_MSG_RESULT($JTREGEXE) 777 else 778 # try to find jtreg on path 779 BASIC_REQUIRE_PROGS(JTREGEXE, jtreg) 780 JT_HOME="`$DIRNAME $JTREGEXE`" 781 fi 782 fi 783 784 AC_SUBST(JT_HOME) 785 AC_SUBST(JTREGEXE) 786]) 787