toolchain.m4 revision 1070:77ee6827e0b2
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 # Reset path to VS_PATH. It will include everything that was on PATH at the time we 193 # ran TOOLCHAIN_SETUP_VISUAL_STUDIO_ENV. 194 PATH="$VS_PATH" 195 # The microsoft toolchain also requires INCLUDE and LIB to be set. 196 export INCLUDE="$VS_INCLUDE" 197 export LIB="$VS_LIB" 198 fi 199 200 # autoconf magic only relies on PATH, so update it if tools dir is specified 201 OLD_PATH="$PATH" 202 203 # For solaris we really need solaris tools, and not the GNU equivalent. 204 # The build tools on Solaris reside in /usr/ccs (C Compilation System), 205 # so add that to path before starting to probe. 206 # FIXME: This was originally only done for AS,NM,GNM,STRIP,MCS,OBJCOPY,OBJDUMP. 207 if test "x$OPENJDK_BUILD_OS" = xsolaris; then 208 PATH="/usr/ccs/bin:$PATH" 209 fi 210 211 # Finally add TOOLCHAIN_PATH at the beginning, to allow --with-tools-dir to 212 # override all other locations. 213 if test "x$TOOLCHAIN_PATH" != x; then 214 PATH=$TOOLCHAIN_PATH:$PATH 215 fi 216]) 217 218# Restore path, etc 219AC_DEFUN_ONCE([TOOLCHAIN_POST_DETECTION], 220[ 221 # Restore old path. 222 PATH="$OLD_PATH" 223 224 # Restore the flags to the user specified values. 225 # This is necessary since AC_PROG_CC defaults CFLAGS to "-g -O2" 226 CFLAGS="$ORG_CFLAGS" 227 CXXFLAGS="$ORG_CXXFLAGS" 228 OBJCFLAGS="$ORG_OBJCFLAGS" 229]) 230 231# Check if a compiler is of the toolchain type we expect, and save the version 232# information from it. If the compiler does not match the expected type, 233# this function will abort using AC_MSG_ERROR. If it matches, the version will 234# be stored in CC_VERSION_NUMBER/CXX_VERSION_NUMBER (as a dotted number), and 235# the full version string in CC_VERSION_STRING/CXX_VERSION_STRING. 236# 237# $1 = compiler to test (CC or CXX) 238# $2 = human readable name of compiler (C or C++) 239AC_DEFUN([TOOLCHAIN_CHECK_COMPILER_VERSION], 240[ 241 COMPILER=[$]$1 242 COMPILER_NAME=$2 243 244 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then 245 # cc -V output typically looks like 246 # cc: Sun C 5.12 Linux_i386 2011/11/16 247 COMPILER_VERSION_OUTPUT=`$COMPILER -V 2>&1` 248 # Check that this is likely to be the Solaris Studio cc. 249 $ECHO "$COMPILER_VERSION_OUTPUT" | $GREP "^.*: Sun $COMPILER_NAME" > /dev/null 250 if test $? -ne 0; then 251 ALT_VERSION_OUTPUT=`$COMPILER --version 2>&1` 252 AC_MSG_NOTICE([The $COMPILER_NAME compiler (located as $COMPILER) does not seem to be the required $TOOLCHAIN_TYPE compiler.]) 253 AC_MSG_NOTICE([The result from running with -V was: "$COMPILER_VERSION_OUTPUT"]) 254 AC_MSG_NOTICE([The result from running with --version was: "$ALT_VERSION_OUTPUT"]) 255 AC_MSG_ERROR([A $TOOLCHAIN_TYPE compiler is required. Try setting --with-tools-dir.]) 256 fi 257 # Remove usage instructions (if present), and 258 # collapse compiler output into a single line 259 COMPILER_VERSION_STRING=`$ECHO $COMPILER_VERSION_OUTPUT | \ 260 $SED -e 's/ *@<:@Uu@:>@sage:.*//'` 261 COMPILER_VERSION_NUMBER=`$ECHO $COMPILER_VERSION_OUTPUT | \ 262 $SED -e "s/^.*@<:@ ,\t@:>@$COMPILER_NAME@<:@ ,\t@:>@\(@<:@1-9@:>@\.@<:@0-9@:>@@<:@0-9@:>@*\).*/\1/"` 263 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 264 # xlc -qversion output typically looks like 265 # IBM XL C/C++ for AIX, V11.1 (5724-X13) 266 # Version: 11.01.0000.0015 267 COMPILER_VERSION_OUTPUT=`$COMPILER -qversion 2>&1` 268 # Check that this is likely to be the IBM XL C compiler. 269 $ECHO "$COMPILER_VERSION_OUTPUT" | $GREP "IBM XL C" > /dev/null 270 if test $? -ne 0; then 271 ALT_VERSION_OUTPUT=`$COMPILER --version 2>&1` 272 AC_MSG_NOTICE([The $COMPILER_NAME compiler (located as $COMPILER) does not seem to be the required $TOOLCHAIN_TYPE compiler.]) 273 AC_MSG_NOTICE([The result from running with -qversion was: "$COMPILER_VERSION_OUTPUT"]) 274 AC_MSG_NOTICE([The result from running with --version was: "$ALT_VERSION_OUTPUT"]) 275 AC_MSG_ERROR([A $TOOLCHAIN_TYPE compiler is required. Try setting --with-tools-dir.]) 276 fi 277 # Collapse compiler output into a single line 278 COMPILER_VERSION_STRING=`$ECHO $COMPILER_VERSION_OUTPUT` 279 COMPILER_VERSION_NUMBER=`$ECHO $COMPILER_VERSION_OUTPUT | \ 280 $SED -e 's/^.*, V\(@<:@1-9@:>@@<:@0-9.@:>@*\).*$/\1/'` 281 elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 282 # There is no specific version flag, but all output starts with a version string. 283 # First line typically looks something like: 284 # Microsoft (R) 32-bit C/C++ Optimizing Compiler Version 16.00.40219.01 for 80x86 285 COMPILER_VERSION_OUTPUT=`$COMPILER 2>&1 | $HEAD -n 1 | $TR -d '\r'` 286 # Check that this is likely to be Microsoft CL.EXE. 287 $ECHO "$COMPILER_VERSION_OUTPUT" | $GREP "Microsoft.*Compiler" > /dev/null 288 if test $? -ne 0; then 289 AC_MSG_NOTICE([The $COMPILER_NAME compiler (located as $COMPILER) does not seem to be the required $TOOLCHAIN_TYPE compiler.]) 290 AC_MSG_NOTICE([The result from running it was: "$COMPILER_VERSION_OUTPUT"]) 291 AC_MSG_ERROR([A $TOOLCHAIN_TYPE compiler is required. Try setting --with-tools-dir.]) 292 fi 293 # Collapse compiler output into a single line 294 COMPILER_VERSION_STRING=`$ECHO $COMPILER_VERSION_OUTPUT` 295 COMPILER_VERSION_NUMBER=`$ECHO $COMPILER_VERSION_OUTPUT | \ 296 $SED -e 's/^.*ersion.\(@<:@1-9@:>@@<:@0-9.@:>@*\) .*$/\1/'` 297 elif test "x$TOOLCHAIN_TYPE" = xgcc; then 298 # gcc --version output typically looks like 299 # gcc (Ubuntu/Linaro 4.8.1-10ubuntu9) 4.8.1 300 # Copyright (C) 2013 Free Software Foundation, Inc. 301 # This is free software; see the source for copying conditions. There is NO 302 # warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 303 COMPILER_VERSION_OUTPUT=`$COMPILER --version 2>&1` 304 # Check that this is likely to be GCC. 305 $ECHO "$COMPILER_VERSION_OUTPUT" | $GREP "Free Software Foundation" > /dev/null 306 if test $? -ne 0; then 307 AC_MSG_NOTICE([The $COMPILER_NAME compiler (located as $COMPILER) does not seem to be the required $TOOLCHAIN_TYPE compiler.]) 308 AC_MSG_NOTICE([The result from running with --version was: "$COMPILER_VERSION"]) 309 AC_MSG_ERROR([A $TOOLCHAIN_TYPE compiler is required. Try setting --with-tools-dir.]) 310 fi 311 # Remove Copyright and legalese from version string, and 312 # collapse into a single line 313 COMPILER_VERSION_STRING=`$ECHO $COMPILER_VERSION_OUTPUT | \ 314 $SED -e 's/ *Copyright .*//'` 315 COMPILER_VERSION_NUMBER=`$ECHO $COMPILER_VERSION_OUTPUT | \ 316 $SED -e 's/^.* \(@<:@1-9@:>@\.@<:@0-9.@:>@*\) .*$/\1/'` 317 elif test "x$TOOLCHAIN_TYPE" = xclang; then 318 # clang --version output typically looks like 319 # Apple LLVM version 5.0 (clang-500.2.79) (based on LLVM 3.3svn) 320 # clang version 3.3 (tags/RELEASE_33/final) 321 # or 322 # Debian clang version 3.2-7ubuntu1 (tags/RELEASE_32/final) (based on LLVM 3.2) 323 # Target: x86_64-pc-linux-gnu 324 # Thread model: posix 325 COMPILER_VERSION_OUTPUT=`$COMPILER --version 2>&1` 326 # Check that this is likely to be clang 327 $ECHO "$COMPILER_VERSION_OUTPUT" | $GREP "clang" > /dev/null 328 if test $? -ne 0; then 329 AC_MSG_NOTICE([The $COMPILER_NAME compiler (located as $COMPILER) does not seem to be the required $TOOLCHAIN_TYPE compiler.]) 330 AC_MSG_NOTICE([The result from running with --version was: "$COMPILER_VERSION_OUTPUT"]) 331 AC_MSG_ERROR([A $TOOLCHAIN_TYPE compiler is required. Try setting --with-tools-dir.]) 332 fi 333 # Collapse compiler output into a single line 334 COMPILER_VERSION_STRING=`$ECHO $COMPILER_VERSION_OUTPUT` 335 COMPILER_VERSION_NUMBER=`$ECHO $COMPILER_VERSION_OUTPUT | \ 336 $SED -e 's/^.*clang version \(@<:@1-9@:>@@<:@0-9.@:>@*\).*$/\1/'` 337 else 338 AC_MSG_ERROR([Unknown toolchain type $TOOLCHAIN_TYPE.]) 339 fi 340 # This sets CC_VERSION_NUMBER or CXX_VERSION_NUMBER. (This comment is a grep marker) 341 $1_VERSION_NUMBER="$COMPILER_VERSION_NUMBER" 342 # This sets CC_VERSION_STRING or CXX_VERSION_STRING. (This comment is a grep marker) 343 $1_VERSION_STRING="$COMPILER_VERSION_STRING" 344 345 AC_MSG_NOTICE([Using $TOOLCHAIN_TYPE $COMPILER_NAME compiler version $COMPILER_VERSION_NUMBER @<:@$COMPILER_VERSION_STRING@:>@]) 346]) 347 348# Try to locate the given C or C++ compiler in the path, or otherwise. 349# 350# $1 = compiler to test (CC or CXX) 351# $2 = human readable name of compiler (C or C++) 352# $3 = list of compiler names to search for 353AC_DEFUN([TOOLCHAIN_FIND_COMPILER], 354[ 355 COMPILER_NAME=$2 356 SEARCH_LIST="$3" 357 358 if test "x[$]$1" != x; then 359 # User has supplied compiler name already, always let that override. 360 AC_MSG_NOTICE([Will use user supplied compiler $1=[$]$1]) 361 if test "x`basename [$]$1`" = "x[$]$1"; then 362 # A command without a complete path is provided, search $PATH. 363 364 AC_PATH_PROGS(POTENTIAL_$1, [$]$1) 365 if test "x$POTENTIAL_$1" != x; then 366 $1=$POTENTIAL_$1 367 else 368 AC_MSG_ERROR([User supplied compiler $1=[$]$1 could not be found]) 369 fi 370 else 371 # Otherwise it might already be a complete path 372 if test ! -x "[$]$1"; then 373 AC_MSG_ERROR([User supplied compiler $1=[$]$1 does not exist]) 374 fi 375 fi 376 else 377 # No user supplied value. Locate compiler ourselves. 378 379 # If we are cross compiling, assume cross compilation tools follows the 380 # cross compilation standard where they are prefixed with the autoconf 381 # standard name for the target. For example the binary 382 # i686-sun-solaris2.10-gcc will cross compile for i686-sun-solaris2.10. 383 # If we are not cross compiling, then the default compiler name will be 384 # used. 385 386 $1= 387 # If TOOLCHAIN_PATH is set, check for all compiler names in there first 388 # before checking the rest of the PATH. 389 # FIXME: Now that we prefix the TOOLS_DIR to the PATH in the PRE_DETECTION 390 # step, this should not be necessary. 391 if test -n "$TOOLCHAIN_PATH"; then 392 PATH_save="$PATH" 393 PATH="$TOOLCHAIN_PATH" 394 AC_PATH_PROGS(TOOLCHAIN_PATH_$1, $SEARCH_LIST) 395 $1=$TOOLCHAIN_PATH_$1 396 PATH="$PATH_save" 397 fi 398 399 # AC_PATH_PROGS can't be run multiple times with the same variable, 400 # so create a new name for this run. 401 if test "x[$]$1" = x; then 402 AC_PATH_PROGS(POTENTIAL_$1, $SEARCH_LIST) 403 $1=$POTENTIAL_$1 404 fi 405 406 if test "x[$]$1" = x; then 407 HELP_MSG_MISSING_DEPENDENCY([devkit]) 408 AC_MSG_ERROR([Could not find a $COMPILER_NAME compiler. $HELP_MSG]) 409 fi 410 fi 411 412 # Now we have a compiler binary in $1. Make sure it's okay. 413 BASIC_FIXUP_EXECUTABLE($1) 414 TEST_COMPILER="[$]$1" 415 # Don't remove symbolic links on AIX because 'xlc_r' and 'xlC_r' may all be links 416 # to 'xlc' but it is crucial that we invoke the compiler with the right name! 417 if test "x$OPENJDK_BUILD_OS" != xaix; then 418 # FIXME: This test should not be needed anymore; we don't do that for any platform. 419 AC_MSG_CHECKING([resolved symbolic links for $1]) 420 BASIC_REMOVE_SYMBOLIC_LINKS(TEST_COMPILER) 421 AC_MSG_RESULT([$TEST_COMPILER]) 422 fi 423 AC_MSG_CHECKING([if $1 is disguised ccache]) 424 425 COMPILER_BASENAME=`$BASENAME "$TEST_COMPILER"` 426 if test "x$COMPILER_BASENAME" = "xccache"; then 427 AC_MSG_RESULT([yes, trying to find proper $COMPILER_NAME compiler]) 428 # We /usr/lib/ccache in the path, so cc is a symlink to /usr/bin/ccache. 429 # We want to control ccache invocation ourselves, so ignore this cc and try 430 # searching again. 431 432 # Remove the path to the fake ccache cc from the PATH 433 RETRY_COMPILER_SAVED_PATH="$PATH" 434 COMPILER_DIRNAME=`$DIRNAME [$]$1` 435 PATH="`$ECHO $PATH | $SED -e "s,$COMPILER_DIRNAME,,g" -e "s,::,:,g" -e "s,^:,,g"`" 436 437 # Try again looking for our compiler 438 AC_CHECK_TOOLS(PROPER_COMPILER_$1, $3) 439 BASIC_FIXUP_EXECUTABLE(PROPER_COMPILER_$1) 440 PATH="$RETRY_COMPILER_SAVED_PATH" 441 442 AC_MSG_CHECKING([for resolved symbolic links for $1]) 443 BASIC_REMOVE_SYMBOLIC_LINKS(PROPER_COMPILER_$1) 444 AC_MSG_RESULT([$PROPER_COMPILER_$1]) 445 $1="$PROPER_COMPILER_$1" 446 else 447 AC_MSG_RESULT([no, keeping $1]) 448 fi 449 450 TOOLCHAIN_CHECK_COMPILER_VERSION([$1], [$COMPILER_NAME]) 451]) 452 453# Detect the core components of the toolchain, i.e. the compilers (CC and CXX), 454# preprocessor (CPP and CXXCPP), the linker (LD), the assembler (AS) and the 455# archiver (AR). Verify that the compilers are correct according to the 456# toolchain type. 457AC_DEFUN_ONCE([TOOLCHAIN_DETECT_TOOLCHAIN_CORE], 458[ 459 # 460 # Setup the compilers (CC and CXX) 461 # 462 TOOLCHAIN_FIND_COMPILER([CC], [C], $TOOLCHAIN_CC_BINARY) 463 # Now that we have resolved CC ourself, let autoconf have its go at it 464 AC_PROG_CC([$CC]) 465 466 TOOLCHAIN_FIND_COMPILER([CXX], [C++], $TOOLCHAIN_CXX_BINARY) 467 # Now that we have resolved CXX ourself, let autoconf have its go at it 468 AC_PROG_CXX([$CXX]) 469 470 # 471 # Setup the preprocessor (CPP and CXXCPP) 472 # 473 AC_PROG_CPP 474 BASIC_FIXUP_EXECUTABLE(CPP) 475 AC_PROG_CXXCPP 476 BASIC_FIXUP_EXECUTABLE(CXXCPP) 477 478 # 479 # Setup the linker (LD) 480 # 481 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 482 # In the Microsoft toolchain we have a separate LD command "link". 483 # Make sure we reject /usr/bin/link (as determined in CYGWIN_LINK), which is 484 # a cygwin program for something completely different. 485 AC_CHECK_PROG([LD], [link],[link],,, [$CYGWIN_LINK]) 486 BASIC_FIXUP_EXECUTABLE(LD) 487 # Verify that we indeed succeeded with this trick. 488 AC_MSG_CHECKING([if the found link.exe is actually the Visual Studio linker]) 489 "$LD" --version > /dev/null 490 if test $? -eq 0 ; then 491 AC_MSG_RESULT([no]) 492 AC_MSG_ERROR([This is the Cygwin link tool. Please check your PATH and rerun configure.]) 493 else 494 AC_MSG_RESULT([yes]) 495 fi 496 LDCXX="$LD" 497 else 498 # All other toolchains use the compiler to link. 499 LD="$CC" 500 LDCXX="$CXX" 501 fi 502 AC_SUBST(LD) 503 # FIXME: it should be CXXLD, according to standard (cf CXXCPP) 504 AC_SUBST(LDCXX) 505 506 # 507 # Setup the assembler (AS) 508 # 509 if test "x$OPENJDK_TARGET_OS" = xsolaris; then 510 # FIXME: should this really be solaris, or solstudio? 511 BASIC_PATH_PROGS(AS, as) 512 BASIC_FIXUP_EXECUTABLE(AS) 513 else 514 # FIXME: is this correct for microsoft? 515 AS="$CC -c" 516 fi 517 AC_SUBST(AS) 518 519 # 520 # Setup the archiver (AR) 521 # 522 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 523 # The corresponding ar tool is lib.exe (used to create static libraries) 524 AC_CHECK_PROG([AR], [lib],[lib],,,) 525 else 526 BASIC_CHECK_TOOLS(AR, ar) 527 fi 528 BASIC_FIXUP_EXECUTABLE(AR) 529]) 530 531# Setup additional tools that is considered a part of the toolchain, but not the 532# core part. Many of these are highly platform-specific and do not exist, 533# and/or are not needed on all platforms. 534AC_DEFUN_ONCE([TOOLCHAIN_DETECT_TOOLCHAIN_EXTRA], 535[ 536 if test "x$OPENJDK_TARGET_OS" = "xmacosx"; then 537 AC_PROG_OBJC 538 BASIC_FIXUP_EXECUTABLE(OBJC) 539 BASIC_PATH_PROGS(LIPO, lipo) 540 BASIC_FIXUP_EXECUTABLE(LIPO) 541 else 542 OBJC= 543 fi 544 545 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 546 AC_CHECK_PROG([MT], [mt], [mt],,, [/usr/bin/mt]) 547 BASIC_FIXUP_EXECUTABLE(MT) 548 # Setup the resource compiler (RC) 549 AC_CHECK_PROG([RC], [rc], [rc],,, [/usr/bin/rc]) 550 BASIC_FIXUP_EXECUTABLE(RC) 551 AC_CHECK_PROG([DUMPBIN], [dumpbin], [dumpbin],,,) 552 BASIC_FIXUP_EXECUTABLE(DUMPBIN) 553 fi 554 555 if test "x$OPENJDK_TARGET_OS" = xsolaris; then 556 BASIC_PATH_PROGS(STRIP, strip) 557 BASIC_FIXUP_EXECUTABLE(STRIP) 558 BASIC_PATH_PROGS(NM, nm) 559 BASIC_FIXUP_EXECUTABLE(NM) 560 BASIC_PATH_PROGS(GNM, gnm) 561 BASIC_FIXUP_EXECUTABLE(GNM) 562 563 BASIC_PATH_PROGS(MCS, mcs) 564 BASIC_FIXUP_EXECUTABLE(MCS) 565 elif test "x$OPENJDK_TARGET_OS" != xwindows; then 566 # FIXME: we should unify this with the solaris case above. 567 BASIC_CHECK_TOOLS(STRIP, strip) 568 BASIC_FIXUP_EXECUTABLE(STRIP) 569 BASIC_CHECK_TOOLS(NM, nm) 570 BASIC_FIXUP_EXECUTABLE(NM) 571 GNM="$NM" 572 AC_SUBST(GNM) 573 fi 574 575 # objcopy is used for moving debug symbols to separate files when 576 # full debug symbols are enabled. 577 if test "x$OPENJDK_TARGET_OS" = xsolaris || test "x$OPENJDK_TARGET_OS" = xlinux; then 578 BASIC_CHECK_TOOLS(OBJCOPY, [gobjcopy objcopy]) 579 # Only call fixup if objcopy was found. 580 if test -n "$OBJCOPY"; then 581 BASIC_FIXUP_EXECUTABLE(OBJCOPY) 582 fi 583 fi 584 585 BASIC_CHECK_TOOLS(OBJDUMP, [gobjdump objdump]) 586 if test "x$OBJDUMP" != x; then 587 # Only used for compare.sh; we can live without it. BASIC_FIXUP_EXECUTABLE 588 # bails if argument is missing. 589 BASIC_FIXUP_EXECUTABLE(OBJDUMP) 590 fi 591]) 592 593# Setup the build tools (i.e, the compiler and linker used to build programs 594# that should be run on the build platform, not the target platform, as a build 595# helper). Since the non-cross-compile case uses the normal, target compilers 596# for this, we can only do this after these have been setup. 597AC_DEFUN_ONCE([TOOLCHAIN_SETUP_BUILD_COMPILERS], 598[ 599 if test "x$COMPILE_TYPE" = "xcross"; then 600 # Now we need to find a C/C++ compiler that can build executables for the 601 # build platform. We can't use the AC_PROG_CC macro, since it can only be 602 # used once. Also, we need to do this without adding a tools dir to the 603 # path, otherwise we might pick up cross-compilers which don't use standard 604 # naming. 605 606 # FIXME: we should list the discovered compilers as an exclude pattern! 607 # If we do that, we can do this detection before POST_DETECTION, and still 608 # find the build compilers in the tools dir, if needed. 609 BASIC_PATH_PROGS(BUILD_CC, [cl cc gcc]) 610 BASIC_FIXUP_EXECUTABLE(BUILD_CC) 611 BASIC_PATH_PROGS(BUILD_CXX, [cl CC g++]) 612 BASIC_FIXUP_EXECUTABLE(BUILD_CXX) 613 BASIC_PATH_PROGS(BUILD_LD, ld) 614 BASIC_FIXUP_EXECUTABLE(BUILD_LD) 615 else 616 # If we are not cross compiling, use the normal target compilers for 617 # building the build platform executables. 618 BUILD_CC="$CC" 619 BUILD_CXX="$CXX" 620 BUILD_LD="$LD" 621 fi 622 623 AC_SUBST(BUILD_CC) 624 AC_SUBST(BUILD_CXX) 625 AC_SUBST(BUILD_LD) 626]) 627 628# Setup legacy variables that are still needed as alternative ways to refer to 629# parts of the toolchain. 630AC_DEFUN_ONCE([TOOLCHAIN_SETUP_LEGACY], 631[ 632 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 633 # For hotspot, we need these in Windows mixed path, 634 # so rewrite them all. Need added .exe suffix. 635 HOTSPOT_CXX="$CXX.exe" 636 HOTSPOT_LD="$LD.exe" 637 HOTSPOT_MT="$MT.exe" 638 HOTSPOT_RC="$RC.exe" 639 BASIC_WINDOWS_REWRITE_AS_WINDOWS_MIXED_PATH(HOTSPOT_CXX) 640 BASIC_WINDOWS_REWRITE_AS_WINDOWS_MIXED_PATH(HOTSPOT_LD) 641 BASIC_WINDOWS_REWRITE_AS_WINDOWS_MIXED_PATH(HOTSPOT_MT) 642 BASIC_WINDOWS_REWRITE_AS_WINDOWS_MIXED_PATH(HOTSPOT_RC) 643 AC_SUBST(HOTSPOT_MT) 644 AC_SUBST(HOTSPOT_RC) 645 else 646 HOTSPOT_CXX="$CXX" 647 HOTSPOT_LD="$LD" 648 fi 649 AC_SUBST(HOTSPOT_CXX) 650 AC_SUBST(HOTSPOT_LD) 651 652 if test "x$TOOLCHAIN_TYPE" = xclang; then 653 USE_CLANG=true 654 fi 655 AC_SUBST(USE_CLANG) 656 657 # LDEXE is the linker to use, when creating executables. Not really used. 658 # FIXME: These should just be removed! 659 LDEXE="$LD" 660 LDEXECXX="$LDCXX" 661 AC_SUBST(LDEXE) 662 AC_SUBST(LDEXECXX) 663]) 664 665# Do some additional checks on the detected tools. 666AC_DEFUN_ONCE([TOOLCHAIN_MISC_CHECKS], 667[ 668 # The package path is used only on macosx? 669 # FIXME: clean this up, and/or move it elsewhere. 670 PACKAGE_PATH=/opt/local 671 AC_SUBST(PACKAGE_PATH) 672 673 # Check for extra potential brokenness. 674 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 675 # On Windows, double-check that we got the right compiler. 676 CC_VERSION_OUTPUT=`$CC 2>&1 | $HEAD -n 1 | $TR -d '\r'` 677 COMPILER_CPU_TEST=`$ECHO $CC_VERSION_OUTPUT | $SED -n "s/^.* \(.*\)$/\1/p"` 678 if test "x$OPENJDK_TARGET_CPU" = "xx86"; then 679 if test "x$COMPILER_CPU_TEST" != "x80x86"; then 680 AC_MSG_ERROR([Target CPU mismatch. We are building for $OPENJDK_TARGET_CPU but CL is for "$COMPILER_CPU_TEST"; expected "80x86".]) 681 fi 682 elif test "x$OPENJDK_TARGET_CPU" = "xx86_64"; then 683 if test "x$COMPILER_CPU_TEST" != "xx64"; then 684 AC_MSG_ERROR([Target CPU mismatch. We are building for $OPENJDK_TARGET_CPU but CL is for "$COMPILER_CPU_TEST"; expected "x64".]) 685 fi 686 fi 687 fi 688 689 if test "x$TOOLCHAIN_TYPE" = xgcc; then 690 # If this is a --hash-style=gnu system, use --hash-style=both, why? 691 HAS_GNU_HASH=`$CC -dumpspecs 2>/dev/null | $GREP 'hash-style=gnu'` 692 # This is later checked when setting flags. 693 694 # "-Og" suppported for GCC 4.8 and later 695 CFLAG_OPTIMIZE_DEBUG_FLAG="-Og" 696 FLAGS_COMPILER_CHECK_ARGUMENTS([$CFLAG_OPTIMIZE_DEBUG_FLAG], 697 [HAS_CFLAG_OPTIMIZE_DEBUG=true], 698 [HAS_CFLAG_OPTIMIZE_DEBUG=false]) 699 700 # "-fsanitize=undefined" supported for GCC 4.9 and later 701 CFLAG_DETECT_UNDEFINED_BEHAVIOR_FLAG="-fsanitize=undefined -fsanitize-recover" 702 FLAGS_COMPILER_CHECK_ARGUMENTS([$CFLAG_DETECT_UNDEFINED_BEHAVIOR_FLAG], 703 [HAS_CFLAG_DETECT_UNDEFINED_BEHAVIOR=true], 704 [HAS_CFLAG_DETECT_UNDEFINED_BEHAVIOR=false]) 705 706 # "-z relro" supported in GNU binutils 2.17 and later 707 LINKER_RELRO_FLAG="-Xlinker -z -Xlinker relro" 708 FLAGS_LINKER_CHECK_ARGUMENTS([$LINKER_RELRO_FLAG], 709 [HAS_LINKER_RELRO=true], 710 [HAS_LINKER_RELRO=false]) 711 712 # "-z now" supported in GNU binutils 2.11 and later 713 LINKER_NOW_FLAG="-Xlinker -z -Xlinker now" 714 FLAGS_LINKER_CHECK_ARGUMENTS([$LINKER_NOW_FLAG], 715 [HAS_LINKER_NOW=true], 716 [HAS_LINKER_NOW=false]) 717 fi 718 719 # Check for broken SuSE 'ld' for which 'Only anonymous version tag is allowed 720 # in executable.' 721 USING_BROKEN_SUSE_LD=no 722 if test "x$OPENJDK_TARGET_OS" = xlinux && test "x$TOOLCHAIN_TYPE" = xgcc; then 723 AC_MSG_CHECKING([for broken SuSE 'ld' which only understands anonymous version tags in executables]) 724 $ECHO "SUNWprivate_1.1 { local: *; };" > version-script.map 725 $ECHO "int main() { }" > main.c 726 if $CXX -Xlinker -version-script=version-script.map main.c 2>&AS_MESSAGE_LOG_FD >&AS_MESSAGE_LOG_FD; then 727 AC_MSG_RESULT(no) 728 USING_BROKEN_SUSE_LD=no 729 else 730 AC_MSG_RESULT(yes) 731 USING_BROKEN_SUSE_LD=yes 732 fi 733 rm -rf version-script.map main.c a.out 734 fi 735 AC_SUBST(USING_BROKEN_SUSE_LD) 736]) 737 738# Setup the JTReg Regression Test Harness. 739AC_DEFUN_ONCE([TOOLCHAIN_SETUP_JTREG], 740[ 741 AC_ARG_WITH(jtreg, [AS_HELP_STRING([--with-jtreg], 742 [Regression Test Harness @<:@probed@:>@])], 743 [], 744 [with_jtreg=no]) 745 746 if test "x$with_jtreg" = xno; then 747 # jtreg disabled 748 AC_MSG_CHECKING([for jtreg]) 749 AC_MSG_RESULT(no) 750 else 751 if test "x$with_jtreg" != xyes; then 752 # with path specified. 753 JT_HOME="$with_jtreg" 754 fi 755 756 if test "x$JT_HOME" != x; then 757 AC_MSG_CHECKING([for jtreg]) 758 759 # use JT_HOME enviroment var. 760 BASIC_FIXUP_PATH([JT_HOME]) 761 762 # jtreg win32 script works for everybody 763 JTREGEXE="$JT_HOME/win32/bin/jtreg" 764 765 if test ! -f "$JTREGEXE"; then 766 AC_MSG_ERROR([JTReg executable does not exist: $JTREGEXE]) 767 fi 768 769 AC_MSG_RESULT($JTREGEXE) 770 else 771 # try to find jtreg on path 772 BASIC_REQUIRE_PROGS(JTREGEXE, jtreg) 773 JT_HOME="`$DIRNAME $JTREGEXE`" 774 fi 775 fi 776 777 AC_SUBST(JT_HOME) 778 AC_SUBST(JTREGEXE) 779]) 780