toolchain.m4 revision 1663:6e5ccf55ed76
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="$CXXFLAGS" 191 192 # autoconf magic only relies on PATH, so update it if tools dir is specified 193 OLD_PATH="$PATH" 194 195 # On Windows, we need to detect the visual studio installation first. 196 # This will change the PATH, but we need to keep that new PATH even 197 # after toolchain detection is done, since the compiler (on x86) uses 198 # it for DLL resolution in runtime. 199 if test "x$OPENJDK_BUILD_OS" = "xwindows" \ 200 && test "x$TOOLCHAIN_TYPE" = "xmicrosoft"; then 201 TOOLCHAIN_SETUP_VISUAL_STUDIO_ENV 202 # Reset path to VS_PATH. It will include everything that was on PATH at the time we 203 # ran TOOLCHAIN_SETUP_VISUAL_STUDIO_ENV. 204 PATH="$VS_PATH" 205 # The microsoft toolchain also requires INCLUDE and LIB to be set. 206 export INCLUDE="$VS_INCLUDE" 207 export LIB="$VS_LIB" 208 fi 209 210 # For solaris we really need solaris tools, and not the GNU equivalent. 211 # The build tools on Solaris reside in /usr/ccs (C Compilation System), 212 # so add that to path before starting to probe. 213 # FIXME: This was originally only done for AS,NM,GNM,STRIP,OBJCOPY,OBJDUMP. 214 if test "x$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]) 236 237# Check if a compiler is of the toolchain type we expect, and save the version 238# information from it. If the compiler does not match the expected type, 239# this function will abort using AC_MSG_ERROR. If it matches, the version will 240# be stored in CC_VERSION_NUMBER/CXX_VERSION_NUMBER (as a dotted number), and 241# the full version string in CC_VERSION_STRING/CXX_VERSION_STRING. 242# 243# $1 = compiler to test (CC or CXX) 244# $2 = human readable name of compiler (C or C++) 245AC_DEFUN([TOOLCHAIN_CHECK_COMPILER_VERSION], 246[ 247 COMPILER=[$]$1 248 COMPILER_NAME=$2 249 250 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then 251 # cc -V output typically looks like 252 # cc: Sun C 5.12 Linux_i386 2011/11/16 253 COMPILER_VERSION_OUTPUT=`$COMPILER -V 2>&1` 254 # Check that this is likely to be the Solaris Studio cc. 255 $ECHO "$COMPILER_VERSION_OUTPUT" | $GREP "^.*: Sun $COMPILER_NAME" > /dev/null 256 if test $? -ne 0; then 257 ALT_VERSION_OUTPUT=`$COMPILER --version 2>&1` 258 AC_MSG_NOTICE([The $COMPILER_NAME compiler (located as $COMPILER) does not seem to be the required $TOOLCHAIN_TYPE compiler.]) 259 AC_MSG_NOTICE([The result from running with -V was: "$COMPILER_VERSION_OUTPUT"]) 260 AC_MSG_NOTICE([The result from running with --version was: "$ALT_VERSION_OUTPUT"]) 261 AC_MSG_ERROR([A $TOOLCHAIN_TYPE compiler is required. Try setting --with-tools-dir.]) 262 fi 263 # Remove usage instructions (if present), and 264 # collapse compiler output into a single line 265 COMPILER_VERSION_STRING=`$ECHO $COMPILER_VERSION_OUTPUT | \ 266 $SED -e 's/ *@<:@Uu@:>@sage:.*//'` 267 COMPILER_VERSION_NUMBER=`$ECHO $COMPILER_VERSION_OUTPUT | \ 268 $SED -e "s/^.*@<:@ ,\t@:>@$COMPILER_NAME@<:@ ,\t@:>@\(@<:@1-9@:>@\.@<:@0-9@:>@@<:@0-9@:>@*\).*/\1/"` 269 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 270 # xlc -qversion output typically looks like 271 # IBM XL C/C++ for AIX, V11.1 (5724-X13) 272 # Version: 11.01.0000.0015 273 COMPILER_VERSION_OUTPUT=`$COMPILER -qversion 2>&1` 274 # Check that this is likely to be the IBM XL C compiler. 275 $ECHO "$COMPILER_VERSION_OUTPUT" | $GREP "IBM XL C" > /dev/null 276 if test $? -ne 0; then 277 ALT_VERSION_OUTPUT=`$COMPILER --version 2>&1` 278 AC_MSG_NOTICE([The $COMPILER_NAME compiler (located as $COMPILER) does not seem to be the required $TOOLCHAIN_TYPE compiler.]) 279 AC_MSG_NOTICE([The result from running with -qversion was: "$COMPILER_VERSION_OUTPUT"]) 280 AC_MSG_NOTICE([The result from running with --version was: "$ALT_VERSION_OUTPUT"]) 281 AC_MSG_ERROR([A $TOOLCHAIN_TYPE compiler is required. Try setting --with-tools-dir.]) 282 fi 283 # Collapse compiler output into a single line 284 COMPILER_VERSION_STRING=`$ECHO $COMPILER_VERSION_OUTPUT` 285 COMPILER_VERSION_NUMBER=`$ECHO $COMPILER_VERSION_OUTPUT | \ 286 $SED -e 's/^.*, V\(@<:@1-9@:>@@<:@0-9.@:>@*\).*$/\1/'` 287 elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 288 # There is no specific version flag, but all output starts with a version string. 289 # First line typically looks something like: 290 # Microsoft (R) 32-bit C/C++ Optimizing Compiler Version 16.00.40219.01 for 80x86 291 COMPILER_VERSION_OUTPUT=`$COMPILER 2>&1 | $HEAD -n 1 | $TR -d '\r'` 292 # Check that this is likely to be Microsoft CL.EXE. 293 $ECHO "$COMPILER_VERSION_OUTPUT" | $GREP "Microsoft.*Compiler" > /dev/null 294 if test $? -ne 0; then 295 AC_MSG_NOTICE([The $COMPILER_NAME compiler (located as $COMPILER) does not seem to be the required $TOOLCHAIN_TYPE compiler.]) 296 AC_MSG_NOTICE([The result from running it was: "$COMPILER_VERSION_OUTPUT"]) 297 AC_MSG_ERROR([A $TOOLCHAIN_TYPE compiler is required. Try setting --with-tools-dir.]) 298 fi 299 # Collapse compiler output into a single line 300 COMPILER_VERSION_STRING=`$ECHO $COMPILER_VERSION_OUTPUT` 301 COMPILER_VERSION_NUMBER=`$ECHO $COMPILER_VERSION_OUTPUT | \ 302 $SED -e 's/^.*ersion.\(@<:@1-9@:>@@<:@0-9.@:>@*\) .*$/\1/'` 303 elif test "x$TOOLCHAIN_TYPE" = xgcc; then 304 # gcc --version output typically looks like 305 # gcc (Ubuntu/Linaro 4.8.1-10ubuntu9) 4.8.1 306 # Copyright (C) 2013 Free Software Foundation, Inc. 307 # This is free software; see the source for copying conditions. There is NO 308 # warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 309 COMPILER_VERSION_OUTPUT=`$COMPILER --version 2>&1` 310 # Check that this is likely to be GCC. 311 $ECHO "$COMPILER_VERSION_OUTPUT" | $GREP "Free Software Foundation" > /dev/null 312 if test $? -ne 0; then 313 AC_MSG_NOTICE([The $COMPILER_NAME compiler (located as $COMPILER) does not seem to be the required $TOOLCHAIN_TYPE compiler.]) 314 AC_MSG_NOTICE([The result from running with --version was: "$COMPILER_VERSION"]) 315 AC_MSG_ERROR([A $TOOLCHAIN_TYPE compiler is required. Try setting --with-tools-dir.]) 316 fi 317 # Remove Copyright and legalese from version string, and 318 # collapse into a single line 319 COMPILER_VERSION_STRING=`$ECHO $COMPILER_VERSION_OUTPUT | \ 320 $SED -e 's/ *Copyright .*//'` 321 COMPILER_VERSION_NUMBER=`$ECHO $COMPILER_VERSION_OUTPUT | \ 322 $SED -e 's/^.* \(@<:@1-9@:>@\.@<:@0-9.@:>@*\) .*$/\1/'` 323 elif test "x$TOOLCHAIN_TYPE" = xclang; then 324 # clang --version output typically looks like 325 # Apple LLVM version 5.0 (clang-500.2.79) (based on LLVM 3.3svn) 326 # clang version 3.3 (tags/RELEASE_33/final) 327 # or 328 # Debian clang version 3.2-7ubuntu1 (tags/RELEASE_32/final) (based on LLVM 3.2) 329 # Target: x86_64-pc-linux-gnu 330 # Thread model: posix 331 COMPILER_VERSION_OUTPUT=`$COMPILER --version 2>&1` 332 # Check that this is likely to be clang 333 $ECHO "$COMPILER_VERSION_OUTPUT" | $GREP "clang" > /dev/null 334 if test $? -ne 0; then 335 AC_MSG_NOTICE([The $COMPILER_NAME compiler (located as $COMPILER) does not seem to be the required $TOOLCHAIN_TYPE compiler.]) 336 AC_MSG_NOTICE([The result from running with --version was: "$COMPILER_VERSION_OUTPUT"]) 337 AC_MSG_ERROR([A $TOOLCHAIN_TYPE compiler is required. Try setting --with-tools-dir.]) 338 fi 339 # Collapse compiler output into a single line 340 COMPILER_VERSION_STRING=`$ECHO $COMPILER_VERSION_OUTPUT` 341 COMPILER_VERSION_NUMBER=`$ECHO $COMPILER_VERSION_OUTPUT | \ 342 $SED -e 's/^.*clang version \(@<:@1-9@:>@@<:@0-9.@:>@*\).*$/\1/'` 343 else 344 AC_MSG_ERROR([Unknown toolchain type $TOOLCHAIN_TYPE.]) 345 fi 346 # This sets CC_VERSION_NUMBER or CXX_VERSION_NUMBER. (This comment is a grep marker) 347 $1_VERSION_NUMBER="$COMPILER_VERSION_NUMBER" 348 # This sets CC_VERSION_STRING or CXX_VERSION_STRING. (This comment is a grep marker) 349 $1_VERSION_STRING="$COMPILER_VERSION_STRING" 350 351 AC_MSG_NOTICE([Using $TOOLCHAIN_TYPE $COMPILER_NAME compiler version $COMPILER_VERSION_NUMBER @<:@$COMPILER_VERSION_STRING@:>@]) 352]) 353 354# Try to locate the given C or C++ compiler in the path, or otherwise. 355# 356# $1 = compiler to test (CC or CXX) 357# $2 = human readable name of compiler (C or C++) 358# $3 = list of compiler names to search for 359AC_DEFUN([TOOLCHAIN_FIND_COMPILER], 360[ 361 COMPILER_NAME=$2 362 SEARCH_LIST="$3" 363 364 if test "x[$]$1" != x; then 365 # User has supplied compiler name already, always let that override. 366 AC_MSG_NOTICE([Will use user supplied compiler $1=[$]$1]) 367 if test "x`basename [$]$1`" = "x[$]$1"; then 368 # A command without a complete path is provided, search $PATH. 369 370 AC_PATH_PROGS(POTENTIAL_$1, [$]$1) 371 if test "x$POTENTIAL_$1" != x; then 372 $1=$POTENTIAL_$1 373 else 374 AC_MSG_ERROR([User supplied compiler $1=[$]$1 could not be found]) 375 fi 376 else 377 # Otherwise it might already be a complete path 378 if test ! -x "[$]$1"; then 379 AC_MSG_ERROR([User supplied compiler $1=[$]$1 does not exist]) 380 fi 381 fi 382 else 383 # No user supplied value. Locate compiler ourselves. 384 385 # If we are cross compiling, assume cross compilation tools follows the 386 # cross compilation standard where they are prefixed with the autoconf 387 # standard name for the target. For example the binary 388 # i686-sun-solaris2.10-gcc will cross compile for i686-sun-solaris2.10. 389 # If we are not cross compiling, then the default compiler name will be 390 # used. 391 392 $1= 393 # If TOOLCHAIN_PATH is set, check for all compiler names in there first 394 # before checking the rest of the PATH. 395 # FIXME: Now that we prefix the TOOLS_DIR to the PATH in the PRE_DETECTION 396 # step, this should not be necessary. 397 if test -n "$TOOLCHAIN_PATH"; then 398 PATH_save="$PATH" 399 PATH="$TOOLCHAIN_PATH" 400 AC_PATH_PROGS(TOOLCHAIN_PATH_$1, $SEARCH_LIST) 401 $1=$TOOLCHAIN_PATH_$1 402 PATH="$PATH_save" 403 fi 404 405 # AC_PATH_PROGS can't be run multiple times with the same variable, 406 # so create a new name for this run. 407 if test "x[$]$1" = x; then 408 AC_PATH_PROGS(POTENTIAL_$1, $SEARCH_LIST) 409 $1=$POTENTIAL_$1 410 fi 411 412 if test "x[$]$1" = x; then 413 HELP_MSG_MISSING_DEPENDENCY([devkit]) 414 AC_MSG_ERROR([Could not find a $COMPILER_NAME compiler. $HELP_MSG]) 415 fi 416 fi 417 418 # Now we have a compiler binary in $1. Make sure it's okay. 419 BASIC_FIXUP_EXECUTABLE($1) 420 TEST_COMPILER="[$]$1" 421 # Don't remove symbolic links on AIX because 'xlc_r' and 'xlC_r' may all be links 422 # to 'xlc' but it is crucial that we invoke the compiler with the right name! 423 if test "x$OPENJDK_BUILD_OS" != xaix; then 424 # FIXME: This test should not be needed anymore; we don't do that for any platform. 425 AC_MSG_CHECKING([resolved symbolic links for $1]) 426 BASIC_REMOVE_SYMBOLIC_LINKS(TEST_COMPILER) 427 AC_MSG_RESULT([$TEST_COMPILER]) 428 fi 429 AC_MSG_CHECKING([if $1 is disguised ccache]) 430 431 COMPILER_BASENAME=`$BASENAME "$TEST_COMPILER"` 432 if test "x$COMPILER_BASENAME" = "xccache"; then 433 AC_MSG_RESULT([yes, trying to find proper $COMPILER_NAME compiler]) 434 # We /usr/lib/ccache in the path, so cc is a symlink to /usr/bin/ccache. 435 # We want to control ccache invocation ourselves, so ignore this cc and try 436 # searching again. 437 438 # Remove the path to the fake ccache cc from the PATH 439 RETRY_COMPILER_SAVED_PATH="$PATH" 440 COMPILER_DIRNAME=`$DIRNAME [$]$1` 441 PATH="`$ECHO $PATH | $SED -e "s,$COMPILER_DIRNAME,,g" -e "s,::,:,g" -e "s,^:,,g"`" 442 443 # Try again looking for our compiler 444 AC_CHECK_TOOLS(PROPER_COMPILER_$1, $3) 445 BASIC_FIXUP_EXECUTABLE(PROPER_COMPILER_$1) 446 PATH="$RETRY_COMPILER_SAVED_PATH" 447 448 AC_MSG_CHECKING([for resolved symbolic links for $1]) 449 BASIC_REMOVE_SYMBOLIC_LINKS(PROPER_COMPILER_$1) 450 AC_MSG_RESULT([$PROPER_COMPILER_$1]) 451 $1="$PROPER_COMPILER_$1" 452 else 453 AC_MSG_RESULT([no, keeping $1]) 454 fi 455 456 TOOLCHAIN_CHECK_COMPILER_VERSION([$1], [$COMPILER_NAME]) 457]) 458 459# Detect the core components of the toolchain, i.e. the compilers (CC and CXX), 460# preprocessor (CPP and CXXCPP), the linker (LD), the assembler (AS) and the 461# archiver (AR). Verify that the compilers are correct according to the 462# toolchain type. 463AC_DEFUN_ONCE([TOOLCHAIN_DETECT_TOOLCHAIN_CORE], 464[ 465 # 466 # Setup the compilers (CC and CXX) 467 # 468 TOOLCHAIN_FIND_COMPILER([CC], [C], $TOOLCHAIN_CC_BINARY) 469 # Now that we have resolved CC ourself, let autoconf have its go at it 470 AC_PROG_CC([$CC]) 471 472 TOOLCHAIN_FIND_COMPILER([CXX], [C++], $TOOLCHAIN_CXX_BINARY) 473 # Now that we have resolved CXX ourself, let autoconf have its go at it 474 AC_PROG_CXX([$CXX]) 475 476 # 477 # Setup the preprocessor (CPP and CXXCPP) 478 # 479 AC_PROG_CPP 480 BASIC_FIXUP_EXECUTABLE(CPP) 481 AC_PROG_CXXCPP 482 BASIC_FIXUP_EXECUTABLE(CXXCPP) 483 484 # 485 # Setup the linker (LD) 486 # 487 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 488 # In the Microsoft toolchain we have a separate LD command "link". 489 # Make sure we reject /usr/bin/link (as determined in CYGWIN_LINK), which is 490 # a cygwin program for something completely different. 491 AC_CHECK_PROG([LD], [link],[link],,, [$CYGWIN_LINK]) 492 BASIC_FIXUP_EXECUTABLE(LD) 493 # Verify that we indeed succeeded with this trick. 494 AC_MSG_CHECKING([if the found link.exe is actually the Visual Studio linker]) 495 "$LD" --version > /dev/null 496 if test $? -eq 0 ; then 497 AC_MSG_RESULT([no]) 498 AC_MSG_ERROR([This is the Cygwin link tool. Please check your PATH and rerun configure.]) 499 else 500 AC_MSG_RESULT([yes]) 501 fi 502 LDCXX="$LD" 503 else 504 # All other toolchains use the compiler to link. 505 LD="$CC" 506 LDCXX="$CXX" 507 fi 508 AC_SUBST(LD) 509 # FIXME: it should be CXXLD, according to standard (cf CXXCPP) 510 AC_SUBST(LDCXX) 511 512 # 513 # Setup the assembler (AS) 514 # 515 if test "x$OPENJDK_TARGET_OS" = xsolaris; then 516 # FIXME: should this really be solaris, or solstudio? 517 BASIC_PATH_PROGS(AS, as) 518 BASIC_FIXUP_EXECUTABLE(AS) 519 else 520 # FIXME: is this correct for microsoft? 521 AS="$CC -c" 522 fi 523 AC_SUBST(AS) 524 525 # 526 # Setup the archiver (AR) 527 # 528 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 529 # The corresponding ar tool is lib.exe (used to create static libraries) 530 AC_CHECK_PROG([AR], [lib],[lib],,,) 531 else 532 BASIC_CHECK_TOOLS(AR, ar) 533 fi 534 BASIC_FIXUP_EXECUTABLE(AR) 535]) 536 537# Setup additional tools that is considered a part of the toolchain, but not the 538# core part. Many of these are highly platform-specific and do not exist, 539# and/or are not needed on all platforms. 540AC_DEFUN_ONCE([TOOLCHAIN_DETECT_TOOLCHAIN_EXTRA], 541[ 542 if test "x$OPENJDK_TARGET_OS" = "xmacosx"; then 543 BASIC_PATH_PROGS(LIPO, lipo) 544 BASIC_FIXUP_EXECUTABLE(LIPO) 545 fi 546 547 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 548 AC_CHECK_PROG([MT], [mt], [mt],,, [/usr/bin/mt]) 549 BASIC_FIXUP_EXECUTABLE(MT) 550 # Setup the resource compiler (RC) 551 AC_CHECK_PROG([RC], [rc], [rc],,, [/usr/bin/rc]) 552 BASIC_FIXUP_EXECUTABLE(RC) 553 AC_CHECK_PROG([DUMPBIN], [dumpbin], [dumpbin],,,) 554 BASIC_FIXUP_EXECUTABLE(DUMPBIN) 555 # We need to check for 'msbuild.exe' because at the place where we expect to 556 # find 'msbuild.exe' there's also a directory called 'msbuild' and configure 557 # won't find the 'msbuild.exe' executable in that case (and the 558 # 'ac_executable_extensions' is unusable due to performance reasons). 559 # Notice that we intentionally don't fix up the path to MSBUILD because we 560 # will call it in a DOS shell during freetype detection on Windows (see 561 # 'LIB_SETUP_FREETYPE' in "libraries.m4" 562 AC_CHECK_PROG([MSBUILD], [msbuild.exe], [msbuild.exe],,,) 563 fi 564 565 if test "x$OPENJDK_TARGET_OS" = xsolaris; then 566 BASIC_PATH_PROGS(STRIP, strip) 567 BASIC_FIXUP_EXECUTABLE(STRIP) 568 BASIC_PATH_PROGS(NM, nm) 569 BASIC_FIXUP_EXECUTABLE(NM) 570 BASIC_PATH_PROGS(GNM, gnm) 571 BASIC_FIXUP_EXECUTABLE(GNM) 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 "$OBJCOPY"; then 588 BASIC_FIXUP_EXECUTABLE(OBJCOPY) 589 if test "x$OPENJDK_BUILD_OS" = xsolaris; then 590 # objcopy prior to 2.21.1 on solaris is broken and is not usable. 591 # Rewrite objcopy version output to VALID_VERSION or BAD_VERSION. 592 # - version number is last blank separate word on first line 593 # - version number formats that have been seen: 594 # - <major>.<minor> 595 # - <major>.<minor>.<micro> 596 OBJCOPY_VERSION=`$OBJCOPY --version | $HEAD -n 1` 597 # The outer [ ] is to prevent m4 from eating the [] in the sed expression. 598 [ OBJCOPY_VERSION_CHECK=`$ECHO $OBJCOPY_VERSION | $SED -n \ 599 -e 's/.* //' \ 600 -e '/^[01]\./b bad' \ 601 -e '/^2\./{' \ 602 -e ' s/^2\.//' \ 603 -e ' /^[0-9]$/b bad' \ 604 -e ' /^[0-9]\./b bad' \ 605 -e ' /^1[0-9]$/b bad' \ 606 -e ' /^1[0-9]\./b bad' \ 607 -e ' /^20\./b bad' \ 608 -e ' /^21\.0$/b bad' \ 609 -e ' /^21\.0\./b bad' \ 610 -e '}' \ 611 -e ':good' \ 612 -e 's/.*/VALID_VERSION/p' \ 613 -e 'q' \ 614 -e ':bad' \ 615 -e 's/.*/BAD_VERSION/p' \ 616 -e 'q'` ] 617 if test "x$OBJCOPY_VERSION_CHECK" = xBAD_VERSION; then 618 OBJCOPY= 619 AC_MSG_WARN([Ignoring found objcopy since it is broken (prior to 2.21.1). No debug symbols will be generated.]) 620 AC_MSG_NOTICE([objcopy reports version $OBJCOPY_VERSION]) 621 AC_MSG_NOTICE([Note: patch 149063-01 or newer contains the correct Solaris 10 SPARC version]) 622 AC_MSG_NOTICE([Note: patch 149064-01 or newer contains the correct Solaris 10 X86 version]) 623 AC_MSG_NOTICE([Note: Solaris 11 Update 1 contains the correct version]) 624 fi 625 fi 626 fi 627 fi 628 629 BASIC_CHECK_TOOLS(OBJDUMP, [gobjdump objdump]) 630 if test "x$OBJDUMP" != x; then 631 # Only used for compare.sh; we can live without it. BASIC_FIXUP_EXECUTABLE 632 # bails if argument is missing. 633 BASIC_FIXUP_EXECUTABLE(OBJDUMP) 634 fi 635]) 636 637# Setup the build tools (i.e, the compiler and linker used to build programs 638# that should be run on the build platform, not the target platform, as a build 639# helper). Since the non-cross-compile case uses the normal, target compilers 640# for this, we can only do this after these have been setup. 641AC_DEFUN_ONCE([TOOLCHAIN_SETUP_BUILD_COMPILERS], 642[ 643 if test "x$COMPILE_TYPE" = "xcross"; then 644 # Now we need to find a C/C++ compiler that can build executables for the 645 # build platform. We can't use the AC_PROG_CC macro, since it can only be 646 # used once. Also, we need to do this without adding a tools dir to the 647 # path, otherwise we might pick up cross-compilers which don't use standard 648 # naming. 649 650 # FIXME: we should list the discovered compilers as an exclude pattern! 651 # If we do that, we can do this detection before POST_DETECTION, and still 652 # find the build compilers in the tools dir, if needed. 653 BASIC_PATH_PROGS(BUILD_CC, [cl cc gcc]) 654 BASIC_FIXUP_EXECUTABLE(BUILD_CC) 655 BASIC_PATH_PROGS(BUILD_CXX, [cl CC g++]) 656 BASIC_FIXUP_EXECUTABLE(BUILD_CXX) 657 BASIC_PATH_PROGS(BUILD_LD, ld) 658 BASIC_FIXUP_EXECUTABLE(BUILD_LD) 659 BUILD_SYSROOT_CFLAGS="" 660 BUILD_SYSROOT_LDFLAGS="" 661 else 662 # If we are not cross compiling, use the normal target compilers for 663 # building the build platform executables. 664 BUILD_CC="$CC" 665 BUILD_CXX="$CXX" 666 BUILD_LD="$LD" 667 BUILD_SYSROOT_CFLAGS="$SYSROOT_CFLAGS" 668 BUILD_SYSROOT_LDFLAGS="$SYSROOT_LDFLAGS" 669 fi 670 671 AC_SUBST(BUILD_CC) 672 AC_SUBST(BUILD_CXX) 673 AC_SUBST(BUILD_LD) 674 AC_SUBST(BUILD_SYSROOT_CFLAGS) 675 AC_SUBST(BUILD_SYSROOT_LDFLAGS) 676]) 677 678# Setup legacy variables that are still needed as alternative ways to refer to 679# parts of the toolchain. 680AC_DEFUN_ONCE([TOOLCHAIN_SETUP_LEGACY], 681[ 682 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 683 # For hotspot, we need these in Windows mixed path, 684 # so rewrite them all. Need added .exe suffix. 685 HOTSPOT_CXX="$CXX.exe" 686 HOTSPOT_LD="$LD.exe" 687 HOTSPOT_MT="$MT.exe" 688 HOTSPOT_RC="$RC.exe" 689 BASIC_WINDOWS_REWRITE_AS_WINDOWS_MIXED_PATH(HOTSPOT_CXX) 690 BASIC_WINDOWS_REWRITE_AS_WINDOWS_MIXED_PATH(HOTSPOT_LD) 691 BASIC_WINDOWS_REWRITE_AS_WINDOWS_MIXED_PATH(HOTSPOT_MT) 692 BASIC_WINDOWS_REWRITE_AS_WINDOWS_MIXED_PATH(HOTSPOT_RC) 693 AC_SUBST(HOTSPOT_MT) 694 AC_SUBST(HOTSPOT_RC) 695 else 696 HOTSPOT_CXX="$CXX" 697 HOTSPOT_LD="$LD" 698 fi 699 AC_SUBST(HOTSPOT_CXX) 700 AC_SUBST(HOTSPOT_LD) 701 702 if test "x$TOOLCHAIN_TYPE" = xclang; then 703 USE_CLANG=true 704 fi 705 AC_SUBST(USE_CLANG) 706]) 707 708# Do some additional checks on the detected tools. 709AC_DEFUN_ONCE([TOOLCHAIN_MISC_CHECKS], 710[ 711 # The package path is used only on macosx? 712 # FIXME: clean this up, and/or move it elsewhere. 713 PACKAGE_PATH=/opt/local 714 AC_SUBST(PACKAGE_PATH) 715 716 # Check for extra potential brokenness. 717 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 718 # On Windows, double-check that we got the right compiler. 719 CC_VERSION_OUTPUT=`$CC 2>&1 | $HEAD -n 1 | $TR -d '\r'` 720 COMPILER_CPU_TEST=`$ECHO $CC_VERSION_OUTPUT | $SED -n "s/^.* \(.*\)$/\1/p"` 721 if test "x$OPENJDK_TARGET_CPU" = "xx86"; then 722 if test "x$COMPILER_CPU_TEST" != "x80x86" -a "x$COMPILER_CPU_TEST" != "xx86"; then 723 AC_MSG_ERROR([Target CPU mismatch. We are building for $OPENJDK_TARGET_CPU but CL is for "$COMPILER_CPU_TEST"; expected "80x86" or "x86".]) 724 fi 725 elif test "x$OPENJDK_TARGET_CPU" = "xx86_64"; then 726 if test "x$COMPILER_CPU_TEST" != "xx64"; then 727 AC_MSG_ERROR([Target CPU mismatch. We are building for $OPENJDK_TARGET_CPU but CL is for "$COMPILER_CPU_TEST"; expected "x64".]) 728 fi 729 fi 730 fi 731 732 if test "x$TOOLCHAIN_TYPE" = xgcc; then 733 # If this is a --hash-style=gnu system, use --hash-style=both, why? 734 HAS_GNU_HASH=`$CC -dumpspecs 2>/dev/null | $GREP 'hash-style=gnu'` 735 # This is later checked when setting flags. 736 737 # "-Og" suppported for GCC 4.8 and later 738 CFLAG_OPTIMIZE_DEBUG_FLAG="-Og" 739 FLAGS_COMPILER_CHECK_ARGUMENTS([$CFLAG_OPTIMIZE_DEBUG_FLAG], 740 [HAS_CFLAG_OPTIMIZE_DEBUG=true], 741 [HAS_CFLAG_OPTIMIZE_DEBUG=false]) 742 743 # "-z relro" supported in GNU binutils 2.17 and later 744 LINKER_RELRO_FLAG="-Xlinker -z -Xlinker relro" 745 FLAGS_LINKER_CHECK_ARGUMENTS([$LINKER_RELRO_FLAG], 746 [HAS_LINKER_RELRO=true], 747 [HAS_LINKER_RELRO=false]) 748 749 # "-z now" supported in GNU binutils 2.11 and later 750 LINKER_NOW_FLAG="-Xlinker -z -Xlinker now" 751 FLAGS_LINKER_CHECK_ARGUMENTS([$LINKER_NOW_FLAG], 752 [HAS_LINKER_NOW=true], 753 [HAS_LINKER_NOW=false]) 754 fi 755 756 # Check for broken SuSE 'ld' for which 'Only anonymous version tag is allowed 757 # in executable.' 758 USING_BROKEN_SUSE_LD=no 759 if test "x$OPENJDK_TARGET_OS" = xlinux && test "x$TOOLCHAIN_TYPE" = xgcc; then 760 AC_MSG_CHECKING([for broken SuSE 'ld' which only understands anonymous version tags in executables]) 761 $ECHO "SUNWprivate_1.1 { local: *; };" > version-script.map 762 $ECHO "int main() { }" > main.c 763 if $CXX -Xlinker -version-script=version-script.map main.c 2>&AS_MESSAGE_LOG_FD >&AS_MESSAGE_LOG_FD; then 764 AC_MSG_RESULT(no) 765 USING_BROKEN_SUSE_LD=no 766 else 767 AC_MSG_RESULT(yes) 768 USING_BROKEN_SUSE_LD=yes 769 fi 770 rm -rf version-script.map main.c a.out 771 fi 772 AC_SUBST(USING_BROKEN_SUSE_LD) 773]) 774 775# Setup the JTReg Regression Test Harness. 776AC_DEFUN_ONCE([TOOLCHAIN_SETUP_JTREG], 777[ 778 AC_ARG_WITH(jtreg, [AS_HELP_STRING([--with-jtreg], 779 [Regression Test Harness @<:@probed@:>@])], 780 [], 781 [with_jtreg=no]) 782 783 if test "x$with_jtreg" = xno; then 784 # jtreg disabled 785 AC_MSG_CHECKING([for jtreg]) 786 AC_MSG_RESULT(no) 787 else 788 if test "x$with_jtreg" != xyes; then 789 # with path specified. 790 JT_HOME="$with_jtreg" 791 fi 792 793 if test "x$JT_HOME" != x; then 794 AC_MSG_CHECKING([for jtreg]) 795 796 # use JT_HOME enviroment var. 797 BASIC_FIXUP_PATH([JT_HOME]) 798 799 # jtreg win32 script works for everybody 800 JTREGEXE="$JT_HOME/bin/jtreg" 801 802 if test ! -f "$JTREGEXE"; then 803 AC_MSG_ERROR([JTReg executable does not exist: $JTREGEXE]) 804 fi 805 806 AC_MSG_RESULT($JTREGEXE) 807 else 808 # try to find jtreg on path 809 BASIC_REQUIRE_PROGS(JTREGEXE, jtreg) 810 JT_HOME="`$DIRNAME $JTREGEXE`" 811 fi 812 fi 813 814 AC_SUBST(JT_HOME) 815 AC_SUBST(JTREGEXE) 816]) 817