toolchain.m4 revision 1448:519ce21e5def
1# 2# Copyright (c) 2011, 2015, 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="$CXXFLAGS" 191 192 # On Windows, we need to detect the visual studio installation first. 193 # This will change the PATH, but we need to keep that new PATH even 194 # after toolchain detection is done, since the compiler (on x86) uses 195 # it for DLL resolution in runtime. 196 if test "x$OPENJDK_BUILD_OS" = "xwindows" && test "x$TOOLCHAIN_TYPE" = "xmicrosoft"; then 197 TOOLCHAIN_SETUP_VISUAL_STUDIO_ENV 198 # Reset path to VS_PATH. It will include everything that was on PATH at the time we 199 # ran TOOLCHAIN_SETUP_VISUAL_STUDIO_ENV. 200 PATH="$VS_PATH" 201 # The microsoft toolchain also requires INCLUDE and LIB to be set. 202 export INCLUDE="$VS_INCLUDE" 203 export LIB="$VS_LIB" 204 fi 205 206 # autoconf magic only relies on PATH, so update it if tools dir is specified 207 OLD_PATH="$PATH" 208 209 # For solaris we really need solaris tools, and not the GNU equivalent. 210 # The build tools on Solaris reside in /usr/ccs (C Compilation System), 211 # so add that to path before starting to probe. 212 # FIXME: This was originally only done for AS,NM,GNM,STRIP,MCS,OBJCOPY,OBJDUMP. 213 if test "x$OPENJDK_BUILD_OS" = xsolaris; then 214 PATH="/usr/ccs/bin:$PATH" 215 fi 216 217 # Finally add TOOLCHAIN_PATH at the beginning, to allow --with-tools-dir to 218 # override all other locations. 219 if test "x$TOOLCHAIN_PATH" != x; then 220 PATH=$TOOLCHAIN_PATH:$PATH 221 fi 222]) 223 224# Restore path, etc 225AC_DEFUN_ONCE([TOOLCHAIN_POST_DETECTION], 226[ 227 # Restore old path. 228 PATH="$OLD_PATH" 229 230 # Restore the flags to the user specified values. 231 # This is necessary since AC_PROG_CC defaults CFLAGS to "-g -O2" 232 CFLAGS="$ORG_CFLAGS" 233 CXXFLAGS="$ORG_CXXFLAGS" 234]) 235 236# Check if a compiler is of the toolchain type we expect, and save the version 237# information from it. If the compiler does not match the expected type, 238# this function will abort using AC_MSG_ERROR. If it matches, the version will 239# be stored in CC_VERSION_NUMBER/CXX_VERSION_NUMBER (as a dotted number), and 240# the full version string in CC_VERSION_STRING/CXX_VERSION_STRING. 241# 242# $1 = compiler to test (CC or CXX) 243# $2 = human readable name of compiler (C or C++) 244AC_DEFUN([TOOLCHAIN_CHECK_COMPILER_VERSION], 245[ 246 COMPILER=[$]$1 247 COMPILER_NAME=$2 248 249 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then 250 # cc -V output typically looks like 251 # cc: Sun C 5.12 Linux_i386 2011/11/16 252 COMPILER_VERSION_OUTPUT=`$COMPILER -V 2>&1` 253 # Check that this is likely to be the Solaris Studio cc. 254 $ECHO "$COMPILER_VERSION_OUTPUT" | $GREP "^.*: Sun $COMPILER_NAME" > /dev/null 255 if test $? -ne 0; then 256 ALT_VERSION_OUTPUT=`$COMPILER --version 2>&1` 257 AC_MSG_NOTICE([The $COMPILER_NAME compiler (located as $COMPILER) does not seem to be the required $TOOLCHAIN_TYPE compiler.]) 258 AC_MSG_NOTICE([The result from running with -V was: "$COMPILER_VERSION_OUTPUT"]) 259 AC_MSG_NOTICE([The result from running with --version was: "$ALT_VERSION_OUTPUT"]) 260 AC_MSG_ERROR([A $TOOLCHAIN_TYPE compiler is required. Try setting --with-tools-dir.]) 261 fi 262 # Remove usage instructions (if present), and 263 # collapse compiler output into a single line 264 COMPILER_VERSION_STRING=`$ECHO $COMPILER_VERSION_OUTPUT | \ 265 $SED -e 's/ *@<:@Uu@:>@sage:.*//'` 266 COMPILER_VERSION_NUMBER=`$ECHO $COMPILER_VERSION_OUTPUT | \ 267 $SED -e "s/^.*@<:@ ,\t@:>@$COMPILER_NAME@<:@ ,\t@:>@\(@<:@1-9@:>@\.@<:@0-9@:>@@<:@0-9@:>@*\).*/\1/"` 268 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 269 # xlc -qversion output typically looks like 270 # IBM XL C/C++ for AIX, V11.1 (5724-X13) 271 # Version: 11.01.0000.0015 272 COMPILER_VERSION_OUTPUT=`$COMPILER -qversion 2>&1` 273 # Check that this is likely to be the IBM XL C compiler. 274 $ECHO "$COMPILER_VERSION_OUTPUT" | $GREP "IBM XL C" > /dev/null 275 if test $? -ne 0; then 276 ALT_VERSION_OUTPUT=`$COMPILER --version 2>&1` 277 AC_MSG_NOTICE([The $COMPILER_NAME compiler (located as $COMPILER) does not seem to be the required $TOOLCHAIN_TYPE compiler.]) 278 AC_MSG_NOTICE([The result from running with -qversion was: "$COMPILER_VERSION_OUTPUT"]) 279 AC_MSG_NOTICE([The result from running with --version was: "$ALT_VERSION_OUTPUT"]) 280 AC_MSG_ERROR([A $TOOLCHAIN_TYPE compiler is required. Try setting --with-tools-dir.]) 281 fi 282 # Collapse compiler output into a single line 283 COMPILER_VERSION_STRING=`$ECHO $COMPILER_VERSION_OUTPUT` 284 COMPILER_VERSION_NUMBER=`$ECHO $COMPILER_VERSION_OUTPUT | \ 285 $SED -e 's/^.*, V\(@<:@1-9@:>@@<:@0-9.@:>@*\).*$/\1/'` 286 elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 287 # There is no specific version flag, but all output starts with a version string. 288 # First line typically looks something like: 289 # Microsoft (R) 32-bit C/C++ Optimizing Compiler Version 16.00.40219.01 for 80x86 290 COMPILER_VERSION_OUTPUT=`$COMPILER 2>&1 | $HEAD -n 1 | $TR -d '\r'` 291 # Check that this is likely to be Microsoft CL.EXE. 292 $ECHO "$COMPILER_VERSION_OUTPUT" | $GREP "Microsoft.*Compiler" > /dev/null 293 if test $? -ne 0; then 294 AC_MSG_NOTICE([The $COMPILER_NAME compiler (located as $COMPILER) does not seem to be the required $TOOLCHAIN_TYPE compiler.]) 295 AC_MSG_NOTICE([The result from running it was: "$COMPILER_VERSION_OUTPUT"]) 296 AC_MSG_ERROR([A $TOOLCHAIN_TYPE compiler is required. Try setting --with-tools-dir.]) 297 fi 298 # Collapse compiler output into a single line 299 COMPILER_VERSION_STRING=`$ECHO $COMPILER_VERSION_OUTPUT` 300 COMPILER_VERSION_NUMBER=`$ECHO $COMPILER_VERSION_OUTPUT | \ 301 $SED -e 's/^.*ersion.\(@<:@1-9@:>@@<:@0-9.@:>@*\) .*$/\1/'` 302 elif test "x$TOOLCHAIN_TYPE" = xgcc; then 303 # gcc --version output typically looks like 304 # gcc (Ubuntu/Linaro 4.8.1-10ubuntu9) 4.8.1 305 # Copyright (C) 2013 Free Software Foundation, Inc. 306 # This is free software; see the source for copying conditions. There is NO 307 # warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 308 COMPILER_VERSION_OUTPUT=`$COMPILER --version 2>&1` 309 # Check that this is likely to be GCC. 310 $ECHO "$COMPILER_VERSION_OUTPUT" | $GREP "Free Software Foundation" > /dev/null 311 if test $? -ne 0; then 312 AC_MSG_NOTICE([The $COMPILER_NAME compiler (located as $COMPILER) does not seem to be the required $TOOLCHAIN_TYPE compiler.]) 313 AC_MSG_NOTICE([The result from running with --version was: "$COMPILER_VERSION"]) 314 AC_MSG_ERROR([A $TOOLCHAIN_TYPE compiler is required. Try setting --with-tools-dir.]) 315 fi 316 # Remove Copyright and legalese from version string, and 317 # collapse into a single line 318 COMPILER_VERSION_STRING=`$ECHO $COMPILER_VERSION_OUTPUT | \ 319 $SED -e 's/ *Copyright .*//'` 320 COMPILER_VERSION_NUMBER=`$ECHO $COMPILER_VERSION_OUTPUT | \ 321 $SED -e 's/^.* \(@<:@1-9@:>@\.@<:@0-9.@:>@*\) .*$/\1/'` 322 elif test "x$TOOLCHAIN_TYPE" = xclang; then 323 # clang --version output typically looks like 324 # Apple LLVM version 5.0 (clang-500.2.79) (based on LLVM 3.3svn) 325 # clang version 3.3 (tags/RELEASE_33/final) 326 # or 327 # Debian clang version 3.2-7ubuntu1 (tags/RELEASE_32/final) (based on LLVM 3.2) 328 # Target: x86_64-pc-linux-gnu 329 # Thread model: posix 330 COMPILER_VERSION_OUTPUT=`$COMPILER --version 2>&1` 331 # Check that this is likely to be clang 332 $ECHO "$COMPILER_VERSION_OUTPUT" | $GREP "clang" > /dev/null 333 if test $? -ne 0; then 334 AC_MSG_NOTICE([The $COMPILER_NAME compiler (located as $COMPILER) does not seem to be the required $TOOLCHAIN_TYPE compiler.]) 335 AC_MSG_NOTICE([The result from running with --version was: "$COMPILER_VERSION_OUTPUT"]) 336 AC_MSG_ERROR([A $TOOLCHAIN_TYPE compiler is required. Try setting --with-tools-dir.]) 337 fi 338 # Collapse compiler output into a single line 339 COMPILER_VERSION_STRING=`$ECHO $COMPILER_VERSION_OUTPUT` 340 COMPILER_VERSION_NUMBER=`$ECHO $COMPILER_VERSION_OUTPUT | \ 341 $SED -e 's/^.*clang version \(@<:@1-9@:>@@<:@0-9.@:>@*\).*$/\1/'` 342 else 343 AC_MSG_ERROR([Unknown toolchain type $TOOLCHAIN_TYPE.]) 344 fi 345 # This sets CC_VERSION_NUMBER or CXX_VERSION_NUMBER. (This comment is a grep marker) 346 $1_VERSION_NUMBER="$COMPILER_VERSION_NUMBER" 347 # This sets CC_VERSION_STRING or CXX_VERSION_STRING. (This comment is a grep marker) 348 $1_VERSION_STRING="$COMPILER_VERSION_STRING" 349 350 AC_MSG_NOTICE([Using $TOOLCHAIN_TYPE $COMPILER_NAME compiler version $COMPILER_VERSION_NUMBER @<:@$COMPILER_VERSION_STRING@:>@]) 351]) 352 353# Try to locate the given C or C++ compiler in the path, or otherwise. 354# 355# $1 = compiler to test (CC or CXX) 356# $2 = human readable name of compiler (C or C++) 357# $3 = list of compiler names to search for 358AC_DEFUN([TOOLCHAIN_FIND_COMPILER], 359[ 360 COMPILER_NAME=$2 361 SEARCH_LIST="$3" 362 363 if test "x[$]$1" != x; then 364 # User has supplied compiler name already, always let that override. 365 AC_MSG_NOTICE([Will use user supplied compiler $1=[$]$1]) 366 if test "x`basename [$]$1`" = "x[$]$1"; then 367 # A command without a complete path is provided, search $PATH. 368 369 AC_PATH_PROGS(POTENTIAL_$1, [$]$1) 370 if test "x$POTENTIAL_$1" != x; then 371 $1=$POTENTIAL_$1 372 else 373 AC_MSG_ERROR([User supplied compiler $1=[$]$1 could not be found]) 374 fi 375 else 376 # Otherwise it might already be a complete path 377 if test ! -x "[$]$1"; then 378 AC_MSG_ERROR([User supplied compiler $1=[$]$1 does not exist]) 379 fi 380 fi 381 else 382 # No user supplied value. Locate compiler ourselves. 383 384 # If we are cross compiling, assume cross compilation tools follows the 385 # cross compilation standard where they are prefixed with the autoconf 386 # standard name for the target. For example the binary 387 # i686-sun-solaris2.10-gcc will cross compile for i686-sun-solaris2.10. 388 # If we are not cross compiling, then the default compiler name will be 389 # used. 390 391 $1= 392 # If TOOLCHAIN_PATH is set, check for all compiler names in there first 393 # before checking the rest of the PATH. 394 # FIXME: Now that we prefix the TOOLS_DIR to the PATH in the PRE_DETECTION 395 # step, this should not be necessary. 396 if test -n "$TOOLCHAIN_PATH"; then 397 PATH_save="$PATH" 398 PATH="$TOOLCHAIN_PATH" 399 AC_PATH_PROGS(TOOLCHAIN_PATH_$1, $SEARCH_LIST) 400 $1=$TOOLCHAIN_PATH_$1 401 PATH="$PATH_save" 402 fi 403 404 # AC_PATH_PROGS can't be run multiple times with the same variable, 405 # so create a new name for this run. 406 if test "x[$]$1" = x; then 407 AC_PATH_PROGS(POTENTIAL_$1, $SEARCH_LIST) 408 $1=$POTENTIAL_$1 409 fi 410 411 if test "x[$]$1" = x; then 412 HELP_MSG_MISSING_DEPENDENCY([devkit]) 413 AC_MSG_ERROR([Could not find a $COMPILER_NAME compiler. $HELP_MSG]) 414 fi 415 fi 416 417 # Now we have a compiler binary in $1. Make sure it's okay. 418 BASIC_FIXUP_EXECUTABLE($1) 419 TEST_COMPILER="[$]$1" 420 # Don't remove symbolic links on AIX because 'xlc_r' and 'xlC_r' may all be links 421 # to 'xlc' but it is crucial that we invoke the compiler with the right name! 422 if test "x$OPENJDK_BUILD_OS" != xaix; then 423 # FIXME: This test should not be needed anymore; we don't do that for any platform. 424 AC_MSG_CHECKING([resolved symbolic links for $1]) 425 BASIC_REMOVE_SYMBOLIC_LINKS(TEST_COMPILER) 426 AC_MSG_RESULT([$TEST_COMPILER]) 427 fi 428 AC_MSG_CHECKING([if $1 is disguised ccache]) 429 430 COMPILER_BASENAME=`$BASENAME "$TEST_COMPILER"` 431 if test "x$COMPILER_BASENAME" = "xccache"; then 432 AC_MSG_RESULT([yes, trying to find proper $COMPILER_NAME compiler]) 433 # We /usr/lib/ccache in the path, so cc is a symlink to /usr/bin/ccache. 434 # We want to control ccache invocation ourselves, so ignore this cc and try 435 # searching again. 436 437 # Remove the path to the fake ccache cc from the PATH 438 RETRY_COMPILER_SAVED_PATH="$PATH" 439 COMPILER_DIRNAME=`$DIRNAME [$]$1` 440 PATH="`$ECHO $PATH | $SED -e "s,$COMPILER_DIRNAME,,g" -e "s,::,:,g" -e "s,^:,,g"`" 441 442 # Try again looking for our compiler 443 AC_CHECK_TOOLS(PROPER_COMPILER_$1, $3) 444 BASIC_FIXUP_EXECUTABLE(PROPER_COMPILER_$1) 445 PATH="$RETRY_COMPILER_SAVED_PATH" 446 447 AC_MSG_CHECKING([for resolved symbolic links for $1]) 448 BASIC_REMOVE_SYMBOLIC_LINKS(PROPER_COMPILER_$1) 449 AC_MSG_RESULT([$PROPER_COMPILER_$1]) 450 $1="$PROPER_COMPILER_$1" 451 else 452 AC_MSG_RESULT([no, keeping $1]) 453 fi 454 455 TOOLCHAIN_CHECK_COMPILER_VERSION([$1], [$COMPILER_NAME]) 456]) 457 458# Detect the core components of the toolchain, i.e. the compilers (CC and CXX), 459# preprocessor (CPP and CXXCPP), the linker (LD), the assembler (AS) and the 460# archiver (AR). Verify that the compilers are correct according to the 461# toolchain type. 462AC_DEFUN_ONCE([TOOLCHAIN_DETECT_TOOLCHAIN_CORE], 463[ 464 # 465 # Setup the compilers (CC and CXX) 466 # 467 TOOLCHAIN_FIND_COMPILER([CC], [C], $TOOLCHAIN_CC_BINARY) 468 # Now that we have resolved CC ourself, let autoconf have its go at it 469 AC_PROG_CC([$CC]) 470 471 TOOLCHAIN_FIND_COMPILER([CXX], [C++], $TOOLCHAIN_CXX_BINARY) 472 # Now that we have resolved CXX ourself, let autoconf have its go at it 473 AC_PROG_CXX([$CXX]) 474 475 # 476 # Setup the preprocessor (CPP and CXXCPP) 477 # 478 AC_PROG_CPP 479 BASIC_FIXUP_EXECUTABLE(CPP) 480 AC_PROG_CXXCPP 481 BASIC_FIXUP_EXECUTABLE(CXXCPP) 482 483 # 484 # Setup the linker (LD) 485 # 486 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 487 # In the Microsoft toolchain we have a separate LD command "link". 488 # Make sure we reject /usr/bin/link (as determined in CYGWIN_LINK), which is 489 # a cygwin program for something completely different. 490 AC_CHECK_PROG([LD], [link],[link],,, [$CYGWIN_LINK]) 491 BASIC_FIXUP_EXECUTABLE(LD) 492 # Verify that we indeed succeeded with this trick. 493 AC_MSG_CHECKING([if the found link.exe is actually the Visual Studio linker]) 494 "$LD" --version > /dev/null 495 if test $? -eq 0 ; then 496 AC_MSG_RESULT([no]) 497 AC_MSG_ERROR([This is the Cygwin link tool. Please check your PATH and rerun configure.]) 498 else 499 AC_MSG_RESULT([yes]) 500 fi 501 LDCXX="$LD" 502 else 503 # All other toolchains use the compiler to link. 504 LD="$CC" 505 LDCXX="$CXX" 506 fi 507 AC_SUBST(LD) 508 # FIXME: it should be CXXLD, according to standard (cf CXXCPP) 509 AC_SUBST(LDCXX) 510 511 # 512 # Setup the assembler (AS) 513 # 514 if test "x$OPENJDK_TARGET_OS" = xsolaris; then 515 # FIXME: should this really be solaris, or solstudio? 516 BASIC_PATH_PROGS(AS, as) 517 BASIC_FIXUP_EXECUTABLE(AS) 518 else 519 # FIXME: is this correct for microsoft? 520 AS="$CC -c" 521 fi 522 AC_SUBST(AS) 523 524 # 525 # Setup the archiver (AR) 526 # 527 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 528 # The corresponding ar tool is lib.exe (used to create static libraries) 529 AC_CHECK_PROG([AR], [lib],[lib],,,) 530 else 531 BASIC_CHECK_TOOLS(AR, ar) 532 fi 533 BASIC_FIXUP_EXECUTABLE(AR) 534]) 535 536# Setup additional tools that is considered a part of the toolchain, but not the 537# core part. Many of these are highly platform-specific and do not exist, 538# and/or are not needed on all platforms. 539AC_DEFUN_ONCE([TOOLCHAIN_DETECT_TOOLCHAIN_EXTRA], 540[ 541 if test "x$OPENJDK_TARGET_OS" = "xmacosx"; then 542 BASIC_PATH_PROGS(LIPO, lipo) 543 BASIC_FIXUP_EXECUTABLE(LIPO) 544 fi 545 546 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 547 AC_CHECK_PROG([MT], [mt], [mt],,, [/usr/bin/mt]) 548 BASIC_FIXUP_EXECUTABLE(MT) 549 # Setup the resource compiler (RC) 550 AC_CHECK_PROG([RC], [rc], [rc],,, [/usr/bin/rc]) 551 BASIC_FIXUP_EXECUTABLE(RC) 552 AC_CHECK_PROG([DUMPBIN], [dumpbin], [dumpbin],,,) 553 BASIC_FIXUP_EXECUTABLE(DUMPBIN) 554 # We need to check for 'msbuild.exe' because at the place where we expect to 555 # find 'msbuild.exe' there's also a directory called 'msbuild' and configure 556 # won't find the 'msbuild.exe' executable in that case (and the 557 # 'ac_executable_extensions' is unusable due to performance reasons). 558 # Notice that we intentionally don't fix up the path to MSBUILD because we 559 # will call it in a DOS shell during freetype detection on Windows (see 560 # 'LIB_SETUP_FREETYPE' in "libraries.m4" 561 AC_CHECK_PROG([MSBUILD], [msbuild.exe], [msbuild.exe],,,) 562 fi 563 564 if test "x$OPENJDK_TARGET_OS" = xsolaris; then 565 BASIC_PATH_PROGS(STRIP, strip) 566 BASIC_FIXUP_EXECUTABLE(STRIP) 567 BASIC_PATH_PROGS(NM, nm) 568 BASIC_FIXUP_EXECUTABLE(NM) 569 BASIC_PATH_PROGS(GNM, gnm) 570 BASIC_FIXUP_EXECUTABLE(GNM) 571 572 BASIC_PATH_PROGS(MCS, mcs) 573 BASIC_FIXUP_EXECUTABLE(MCS) 574 elif test "x$OPENJDK_TARGET_OS" != xwindows; then 575 # FIXME: we should unify this with the solaris case above. 576 BASIC_CHECK_TOOLS(STRIP, strip) 577 BASIC_FIXUP_EXECUTABLE(STRIP) 578 BASIC_CHECK_TOOLS(NM, nm) 579 BASIC_FIXUP_EXECUTABLE(NM) 580 GNM="$NM" 581 AC_SUBST(GNM) 582 fi 583 584 # objcopy is used for moving debug symbols to separate files when 585 # full debug symbols are enabled. 586 if test "x$OPENJDK_TARGET_OS" = xsolaris || test "x$OPENJDK_TARGET_OS" = xlinux; then 587 BASIC_CHECK_TOOLS(OBJCOPY, [gobjcopy objcopy]) 588 # Only call fixup if objcopy was found. 589 if test -n "$OBJCOPY"; then 590 BASIC_FIXUP_EXECUTABLE(OBJCOPY) 591 fi 592 fi 593 594 BASIC_CHECK_TOOLS(OBJDUMP, [gobjdump objdump]) 595 if test "x$OBJDUMP" != x; then 596 # Only used for compare.sh; we can live without it. BASIC_FIXUP_EXECUTABLE 597 # bails if argument is missing. 598 BASIC_FIXUP_EXECUTABLE(OBJDUMP) 599 fi 600]) 601 602# Setup the build tools (i.e, the compiler and linker used to build programs 603# that should be run on the build platform, not the target platform, as a build 604# helper). Since the non-cross-compile case uses the normal, target compilers 605# for this, we can only do this after these have been setup. 606AC_DEFUN_ONCE([TOOLCHAIN_SETUP_BUILD_COMPILERS], 607[ 608 if test "x$COMPILE_TYPE" = "xcross"; then 609 # Now we need to find a C/C++ compiler that can build executables for the 610 # build platform. We can't use the AC_PROG_CC macro, since it can only be 611 # used once. Also, we need to do this without adding a tools dir to the 612 # path, otherwise we might pick up cross-compilers which don't use standard 613 # naming. 614 615 # FIXME: we should list the discovered compilers as an exclude pattern! 616 # If we do that, we can do this detection before POST_DETECTION, and still 617 # find the build compilers in the tools dir, if needed. 618 BASIC_PATH_PROGS(BUILD_CC, [cl cc gcc]) 619 BASIC_FIXUP_EXECUTABLE(BUILD_CC) 620 BASIC_PATH_PROGS(BUILD_CXX, [cl CC g++]) 621 BASIC_FIXUP_EXECUTABLE(BUILD_CXX) 622 BASIC_PATH_PROGS(BUILD_LD, ld) 623 BASIC_FIXUP_EXECUTABLE(BUILD_LD) 624 else 625 # If we are not cross compiling, use the normal target compilers for 626 # building the build platform executables. 627 BUILD_CC="$CC" 628 BUILD_CXX="$CXX" 629 BUILD_LD="$LD" 630 fi 631 632 AC_SUBST(BUILD_CC) 633 AC_SUBST(BUILD_CXX) 634 AC_SUBST(BUILD_LD) 635]) 636 637# Setup legacy variables that are still needed as alternative ways to refer to 638# parts of the toolchain. 639AC_DEFUN_ONCE([TOOLCHAIN_SETUP_LEGACY], 640[ 641 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 642 # For hotspot, we need these in Windows mixed path, 643 # so rewrite them all. Need added .exe suffix. 644 HOTSPOT_CXX="$CXX.exe" 645 HOTSPOT_LD="$LD.exe" 646 HOTSPOT_MT="$MT.exe" 647 HOTSPOT_RC="$RC.exe" 648 BASIC_WINDOWS_REWRITE_AS_WINDOWS_MIXED_PATH(HOTSPOT_CXX) 649 BASIC_WINDOWS_REWRITE_AS_WINDOWS_MIXED_PATH(HOTSPOT_LD) 650 BASIC_WINDOWS_REWRITE_AS_WINDOWS_MIXED_PATH(HOTSPOT_MT) 651 BASIC_WINDOWS_REWRITE_AS_WINDOWS_MIXED_PATH(HOTSPOT_RC) 652 AC_SUBST(HOTSPOT_MT) 653 AC_SUBST(HOTSPOT_RC) 654 else 655 HOTSPOT_CXX="$CXX" 656 HOTSPOT_LD="$LD" 657 fi 658 AC_SUBST(HOTSPOT_CXX) 659 AC_SUBST(HOTSPOT_LD) 660 661 if test "x$TOOLCHAIN_TYPE" = xclang; then 662 USE_CLANG=true 663 fi 664 AC_SUBST(USE_CLANG) 665]) 666 667# Do some additional checks on the detected tools. 668AC_DEFUN_ONCE([TOOLCHAIN_MISC_CHECKS], 669[ 670 # The package path is used only on macosx? 671 # FIXME: clean this up, and/or move it elsewhere. 672 PACKAGE_PATH=/opt/local 673 AC_SUBST(PACKAGE_PATH) 674 675 # Check for extra potential brokenness. 676 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 677 # On Windows, double-check that we got the right compiler. 678 CC_VERSION_OUTPUT=`$CC 2>&1 | $HEAD -n 1 | $TR -d '\r'` 679 COMPILER_CPU_TEST=`$ECHO $CC_VERSION_OUTPUT | $SED -n "s/^.* \(.*\)$/\1/p"` 680 if test "x$OPENJDK_TARGET_CPU" = "xx86"; then 681 if test "x$COMPILER_CPU_TEST" != "x80x86" -a "x$COMPILER_CPU_TEST" != "xx86"; then 682 AC_MSG_ERROR([Target CPU mismatch. We are building for $OPENJDK_TARGET_CPU but CL is for "$COMPILER_CPU_TEST"; expected "80x86" or "x86".]) 683 fi 684 elif test "x$OPENJDK_TARGET_CPU" = "xx86_64"; then 685 if test "x$COMPILER_CPU_TEST" != "xx64"; then 686 AC_MSG_ERROR([Target CPU mismatch. We are building for $OPENJDK_TARGET_CPU but CL is for "$COMPILER_CPU_TEST"; expected "x64".]) 687 fi 688 fi 689 fi 690 691 if test "x$TOOLCHAIN_TYPE" = xgcc; then 692 # If this is a --hash-style=gnu system, use --hash-style=both, why? 693 HAS_GNU_HASH=`$CC -dumpspecs 2>/dev/null | $GREP 'hash-style=gnu'` 694 # This is later checked when setting flags. 695 696 # "-Og" suppported for GCC 4.8 and later 697 CFLAG_OPTIMIZE_DEBUG_FLAG="-Og" 698 FLAGS_COMPILER_CHECK_ARGUMENTS([$CFLAG_OPTIMIZE_DEBUG_FLAG], 699 [HAS_CFLAG_OPTIMIZE_DEBUG=true], 700 [HAS_CFLAG_OPTIMIZE_DEBUG=false]) 701 702 # "-z relro" supported in GNU binutils 2.17 and later 703 LINKER_RELRO_FLAG="-Xlinker -z -Xlinker relro" 704 FLAGS_LINKER_CHECK_ARGUMENTS([$LINKER_RELRO_FLAG], 705 [HAS_LINKER_RELRO=true], 706 [HAS_LINKER_RELRO=false]) 707 708 # "-z now" supported in GNU binutils 2.11 and later 709 LINKER_NOW_FLAG="-Xlinker -z -Xlinker now" 710 FLAGS_LINKER_CHECK_ARGUMENTS([$LINKER_NOW_FLAG], 711 [HAS_LINKER_NOW=true], 712 [HAS_LINKER_NOW=false]) 713 fi 714 715 # Check for broken SuSE 'ld' for which 'Only anonymous version tag is allowed 716 # in executable.' 717 USING_BROKEN_SUSE_LD=no 718 if test "x$OPENJDK_TARGET_OS" = xlinux && test "x$TOOLCHAIN_TYPE" = xgcc; then 719 AC_MSG_CHECKING([for broken SuSE 'ld' which only understands anonymous version tags in executables]) 720 $ECHO "SUNWprivate_1.1 { local: *; };" > version-script.map 721 $ECHO "int main() { }" > main.c 722 if $CXX -Xlinker -version-script=version-script.map main.c 2>&AS_MESSAGE_LOG_FD >&AS_MESSAGE_LOG_FD; then 723 AC_MSG_RESULT(no) 724 USING_BROKEN_SUSE_LD=no 725 else 726 AC_MSG_RESULT(yes) 727 USING_BROKEN_SUSE_LD=yes 728 fi 729 rm -rf version-script.map main.c a.out 730 fi 731 AC_SUBST(USING_BROKEN_SUSE_LD) 732]) 733 734# Setup the JTReg Regression Test Harness. 735AC_DEFUN_ONCE([TOOLCHAIN_SETUP_JTREG], 736[ 737 AC_ARG_WITH(jtreg, [AS_HELP_STRING([--with-jtreg], 738 [Regression Test Harness @<:@probed@:>@])], 739 [], 740 [with_jtreg=no]) 741 742 if test "x$with_jtreg" = xno; then 743 # jtreg disabled 744 AC_MSG_CHECKING([for jtreg]) 745 AC_MSG_RESULT(no) 746 else 747 if test "x$with_jtreg" != xyes; then 748 # with path specified. 749 JT_HOME="$with_jtreg" 750 fi 751 752 if test "x$JT_HOME" != x; then 753 AC_MSG_CHECKING([for jtreg]) 754 755 # use JT_HOME enviroment var. 756 BASIC_FIXUP_PATH([JT_HOME]) 757 758 # jtreg win32 script works for everybody 759 JTREGEXE="$JT_HOME/bin/jtreg" 760 761 if test ! -f "$JTREGEXE"; then 762 AC_MSG_ERROR([JTReg executable does not exist: $JTREGEXE]) 763 fi 764 765 AC_MSG_RESULT($JTREGEXE) 766 else 767 # try to find jtreg on path 768 BASIC_REQUIRE_PROGS(JTREGEXE, jtreg) 769 JT_HOME="`$DIRNAME $JTREGEXE`" 770 fi 771 fi 772 773 AC_SUBST(JT_HOME) 774 AC_SUBST(JTREGEXE) 775]) 776