1 # 2 # Copyright (c) 2011, 2012, 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 # Support macro for PLATFORM_EXTRACT_TARGET_AND_BUILD. 27 # Converts autoconf style CPU name to OpenJDK style, into 28 # VAR_CPU, VAR_CPU_ARCH, VAR_CPU_BITS and VAR_CPU_ENDIAN. 29 AC_DEFUN([PLATFORM_EXTRACT_VARS_FROM_CPU], 30 [ 31 # First argument is the cpu name from the trip/quad 32 case "$1" in 33 x86_64) 34 VAR_CPU=x86_64 35 VAR_CPU_ARCH=x86 36 VAR_CPU_BITS=64 37 VAR_CPU_ENDIAN=little 38 ;; 39 i?86) 40 VAR_CPU=x86 41 VAR_CPU_ARCH=x86 42 VAR_CPU_BITS=32 43 VAR_CPU_ENDIAN=little 44 ;; 45 arm*) 46 VAR_CPU=arm 47 VAR_CPU_ARCH=arm 48 VAR_CPU_BITS=32 49 VAR_CPU_ENDIAN=little 50 ;; 51 powerpc) 52 VAR_CPU=ppc 53 VAR_CPU_ARCH=ppc 54 VAR_CPU_BITS=32 55 VAR_CPU_ENDIAN=big 56 ;; 57 powerpc64) 58 VAR_CPU=ppc64 59 VAR_CPU_ARCH=ppc 60 VAR_CPU_BITS=64 61 VAR_CPU_ENDIAN=big 62 ;; 63 sparc) 64 VAR_CPU=sparc 65 VAR_CPU_ARCH=sparc 66 VAR_CPU_BITS=32 67 VAR_CPU_ENDIAN=big 68 ;; 69 sparcv9) 70 VAR_CPU=sparcv9 71 VAR_CPU_ARCH=sparc 72 VAR_CPU_BITS=64 73 VAR_CPU_ENDIAN=big 74 ;; 75 *) 76 AC_MSG_ERROR([unsupported cpu $1]) 77 ;; 78 esac 79 ]) 80 81 # Support macro for PLATFORM_EXTRACT_TARGET_AND_BUILD. 82 # Converts autoconf style OS name to OpenJDK style, into 83 # VAR_OS and VAR_OS_API. 84 AC_DEFUN([PLATFORM_EXTRACT_VARS_FROM_OS], 85 [ 86 case "$1" in 87 *linux*) 88 VAR_OS=linux 89 VAR_OS_API=posix 90 VAR_OS_ENV=linux 91 ;; 92 *solaris*) 93 VAR_OS=solaris 94 VAR_OS_API=posix 95 VAR_OS_ENV=solaris 96 ;; 97 *darwin*) 98 VAR_OS=macosx 99 VAR_OS_API=posix 100 VAR_OS_ENV=macosx 101 ;; 102 *bsd*) 103 VAR_OS=bsd 104 VAR_OS_API=posix 105 VAR_OS_ENV=bsd 106 ;; 107 *cygwin*) 108 VAR_OS=windows 109 VAR_OS_API=winapi 110 VAR_OS_ENV=windows.cygwin 111 ;; 112 *mingw*) 113 VAR_OS=windows 114 VAR_OS_API=winapi 115 VAR_OS_ENV=windows.msys 116 ;; 117 *) 118 AC_MSG_ERROR([unsupported operating system $1]) 119 ;; 120 esac 121 ]) 122 123 # Expects $host_os $host_cpu $build_os and $build_cpu 124 # and $with_target_bits to have been setup! 125 # 126 # Translate the standard triplet(quadruplet) definition 127 # of the target/build system into OPENJDK_TARGET_OS, OPENJDK_TARGET_CPU, 128 # OPENJDK_BUILD_OS, etc. 129 AC_DEFUN([PLATFORM_EXTRACT_TARGET_AND_BUILD], 130 [ 131 # Copy the autoconf trip/quadruplet verbatim to OPENJDK_TARGET_AUTOCONF_NAME 132 # (from the autoconf "host") and OPENJDK_BUILD_AUTOCONF_NAME 133 # Note that we might later on rewrite e.g. OPENJDK_TARGET_CPU due to reduced build, 134 # but this will not change the value of OPENJDK_TARGET_AUTOCONF_NAME. 135 OPENJDK_TARGET_AUTOCONF_NAME="$host" 136 OPENJDK_BUILD_AUTOCONF_NAME="$build" 137 AC_SUBST(OPENJDK_TARGET_AUTOCONF_NAME) 138 AC_SUBST(OPENJDK_BUILD_AUTOCONF_NAME) 139 140 # Convert the autoconf OS/CPU value to our own data, into the VAR_OS/CPU variables. 141 PLATFORM_EXTRACT_VARS_FROM_OS($build_os) 142 PLATFORM_EXTRACT_VARS_FROM_CPU($build_cpu) 143 # ..and setup our own variables. (Do this explicitely to facilitate searching) 144 OPENJDK_BUILD_OS="$VAR_OS" 145 OPENJDK_BUILD_OS_API="$VAR_OS_API" 146 OPENJDK_BUILD_OS_ENV="$VAR_OS_ENV" 147 OPENJDK_BUILD_CPU="$VAR_CPU" 148 OPENJDK_BUILD_CPU_ARCH="$VAR_CPU_ARCH" 149 OPENJDK_BUILD_CPU_BITS="$VAR_CPU_BITS" 150 OPENJDK_BUILD_CPU_ENDIAN="$VAR_CPU_ENDIAN" 151 AC_SUBST(OPENJDK_BUILD_OS) 152 AC_SUBST(OPENJDK_BUILD_OS_API) 153 AC_SUBST(OPENJDK_BUILD_CPU) 154 AC_SUBST(OPENJDK_BUILD_CPU_ARCH) 155 AC_SUBST(OPENJDK_BUILD_CPU_BITS) 156 AC_SUBST(OPENJDK_BUILD_CPU_ENDIAN) 157 158 AC_MSG_CHECKING([openjdk-build os-cpu]) 159 AC_MSG_RESULT([$OPENJDK_BUILD_OS-$OPENJDK_BUILD_CPU]) 160 161 # Convert the autoconf OS/CPU value to our own data, into the VAR_OS/CPU variables. 162 PLATFORM_EXTRACT_VARS_FROM_OS($host_os) 163 PLATFORM_EXTRACT_VARS_FROM_CPU($host_cpu) 164 # ... and setup our own variables. (Do this explicitely to facilitate searching) 165 OPENJDK_TARGET_OS="$VAR_OS" 166 OPENJDK_TARGET_OS_API="$VAR_OS_API" 167 OPENJDK_TARGET_OS_ENV="$VAR_OS_ENV" 168 OPENJDK_TARGET_CPU="$VAR_CPU" 169 OPENJDK_TARGET_CPU_ARCH="$VAR_CPU_ARCH" 170 OPENJDK_TARGET_CPU_BITS="$VAR_CPU_BITS" 171 OPENJDK_TARGET_CPU_ENDIAN="$VAR_CPU_ENDIAN" 172 AC_SUBST(OPENJDK_TARGET_OS) 173 AC_SUBST(OPENJDK_TARGET_OS_API) 174 AC_SUBST(OPENJDK_TARGET_CPU) 175 AC_SUBST(OPENJDK_TARGET_CPU_ARCH) 176 AC_SUBST(OPENJDK_TARGET_CPU_BITS) 177 AC_SUBST(OPENJDK_TARGET_CPU_ENDIAN) 178 179 AC_MSG_CHECKING([openjdk-target os-cpu]) 180 AC_MSG_RESULT([$OPENJDK_TARGET_OS-$OPENJDK_TARGET_CPU]) 181 ]) 182 183 # Check if a reduced build (32-bit on 64-bit platforms) is requested, and modify behaviour 184 # accordingly. Must be done after setting up build and target system, but before 185 # doing anything else with these values. 186 AC_DEFUN([PLATFORM_SETUP_TARGET_CPU_BITS], 187 [ 188 AC_ARG_WITH(target-bits, [AS_HELP_STRING([--with-target-bits], 189 [build 32-bit or 64-bit binaries (for platforms that support it), e.g. --with-target-bits=32 @<:@guessed@:>@])]) 190 191 # We have three types of compiles: 192 # native == normal compilation, target system == build system 193 # cross == traditional cross compilation, target system != build system; special toolchain needed 194 # reduced == using native compilers, but with special flags (e.g. -m32) to produce 32-bit builds on 64-bit machines 195 # 196 if test "x$OPENJDK_BUILD_AUTOCONF_NAME" != "x$OPENJDK_TARGET_AUTOCONF_NAME"; then 197 # We're doing a proper cross-compilation 198 COMPILE_TYPE="cross" 199 else 200 COMPILE_TYPE="native" 201 fi 202 203 if test "x$with_target_bits" != x; then 204 if test "x$COMPILE_TYPE" = "xcross"; then 205 AC_MSG_ERROR([It is not possible to combine --with-target-bits=X and proper cross-compilation. Choose either.]) 206 fi 207 208 if test "x$with_target_bits" = x32 && test "x$OPENJDK_TARGET_CPU_BITS" = x64; then 209 # A reduced build is requested 210 COMPILE_TYPE="reduced" 211 OPENJDK_TARGET_CPU_BITS=32 212 if test "x$OPENJDK_TARGET_CPU_ARCH" = "xx86"; then 213 OPENJDK_TARGET_CPU=x86 214 elif test "x$OPENJDK_TARGET_CPU_ARCH" = "xsparc"; then 215 OPENJDK_TARGET_CPU=sparc 216 else 217 AC_MSG_ERROR([Reduced build (--with-target-bits=32) is only supported on x86_64 and sparcv9]) 218 fi 219 elif test "x$with_target_bits" = x64 && test "x$OPENJDK_TARGET_CPU_BITS" = x32; then 220 AC_MSG_ERROR([It is not possible to use --with-target-bits=64 on a 32 bit system. Use proper cross-compilation instead.]) 221 elif test "x$with_target_bits" = "x$OPENJDK_TARGET_CPU_BITS"; then 222 AC_MSG_NOTICE([--with-target-bits are set to build platform address size; argument has no meaning]) 223 else 224 AC_MSG_ERROR([--with-target-bits can only be 32 or 64, you specified $with_target_bits!]) 225 fi 226 fi 227 AC_SUBST(COMPILE_TYPE) 228 229 AC_MSG_CHECKING([compilation type]) 230 AC_MSG_RESULT([$COMPILE_TYPE]) 231 ]) 232 233 # Setup the legacy variables, for controlling the old makefiles. 234 # 235 AC_DEFUN([PLATFORM_SETUP_LEGACY_VARS], 236 [ 237 # Also store the legacy naming of the cpu. 238 # Ie i586 and amd64 instead of x86 and x86_64 239 OPENJDK_TARGET_CPU_LEGACY="$OPENJDK_TARGET_CPU" 240 if test "x$OPENJDK_TARGET_CPU" = xx86; then 241 OPENJDK_TARGET_CPU_LEGACY="i586" 242 elif test "x$OPENJDK_TARGET_OS" != xmacosx && test "x$OPENJDK_TARGET_CPU" = xx86_64; then 243 # On all platforms except MacOSX replace x86_64 with amd64. 244 OPENJDK_TARGET_CPU_LEGACY="amd64" 245 fi 246 AC_SUBST(OPENJDK_TARGET_CPU_LEGACY) 247 248 # And the second legacy naming of the cpu. 249 # Ie i386 and amd64 instead of x86 and x86_64. 250 OPENJDK_TARGET_CPU_LEGACY_LIB="$OPENJDK_TARGET_CPU" 251 if test "x$OPENJDK_TARGET_CPU" = xx86; then 252 OPENJDK_TARGET_CPU_LEGACY_LIB="i386" 253 elif test "x$OPENJDK_TARGET_CPU" = xx86_64; then 254 OPENJDK_TARGET_CPU_LEGACY_LIB="amd64" 255 fi 256 AC_SUBST(OPENJDK_TARGET_CPU_LEGACY_LIB) 257 258 # This is the name of the cpu (but using i386 and amd64 instead of 259 # x86 and x86_64, respectively), preceeded by a /, to be used when 260 # locating libraries. On macosx, it's empty, though. 261 OPENJDK_TARGET_CPU_LIBDIR="/$OPENJDK_TARGET_CPU_LEGACY_LIB" 262 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 263 OPENJDK_TARGET_CPU_LIBDIR="" 264 fi 265 AC_SUBST(OPENJDK_TARGET_CPU_LIBDIR) 266 267 # OPENJDK_TARGET_CPU_ISADIR is normally empty. On 64-bit Solaris systems, it is set to 268 # /amd64 or /sparcv9. This string is appended to some library paths, like this: 269 # /usr/lib${OPENJDK_TARGET_CPU_ISADIR}/libexample.so 270 OPENJDK_TARGET_CPU_ISADIR="" 271 if test "x$OPENJDK_TARGET_OS" = xsolaris; then 272 if test "x$OPENJDK_TARGET_CPU" = xx86_64; then 273 OPENJDK_TARGET_CPU_ISADIR="/amd64" 274 elif test "x$OPENJDK_TARGET_CPU" = xsparcv9; then 275 OPENJDK_TARGET_CPU_ISADIR="/sparcv9" 276 fi 277 fi 278 AC_SUBST(OPENJDK_TARGET_CPU_ISADIR) 279 280 # Setup OPENJDK_TARGET_CPU_OSARCH, which is used to set the os.arch Java system property 281 OPENJDK_TARGET_CPU_OSARCH="$OPENJDK_TARGET_CPU" 282 if test "x$OPENJDK_TARGET_OS" = xlinux && test "x$OPENJDK_TARGET_CPU" = xx86; then 283 # On linux only, we replace x86 with i386. 284 OPENJDK_TARGET_CPU_OSARCH="i386" 285 elif test "x$OPENJDK_TARGET_OS" != xmacosx && test "x$OPENJDK_TARGET_CPU" = xx86_64; then 286 # On all platforms except macosx, we replace x86_64 with amd64. 287 OPENJDK_TARGET_CPU_OSARCH="amd64" 288 fi 289 AC_SUBST(OPENJDK_TARGET_CPU_OSARCH) 290 291 OPENJDK_TARGET_CPU_JLI="$OPENJDK_TARGET_CPU" 292 if test "x$OPENJDK_TARGET_CPU" = xx86; then 293 OPENJDK_TARGET_CPU_JLI="i386" 294 elif test "x$OPENJDK_TARGET_OS" != xmacosx && test "x$OPENJDK_TARGET_CPU" = xx86_64; then 295 # On all platforms except macosx, we replace x86_64 with amd64. 296 OPENJDK_TARGET_CPU_JLI="amd64" 297 fi 298 # Now setup the -D flags for building libjli. 299 OPENJDK_TARGET_CPU_JLI_CFLAGS="-DLIBARCHNAME='\"$OPENJDK_TARGET_CPU_JLI\"'" 300 if test "x$OPENJDK_TARGET_OS" = xsolaris; then 301 if test "x$OPENJDK_TARGET_CPU_ARCH" = xsparc; then 302 OPENJDK_TARGET_CPU_JLI_CFLAGS="$OPENJDK_TARGET_CPU_JLI_CFLAGS -DLIBARCH32NAME='\"sparc\"' -DLIBARCH64NAME='\"sparcv9\"'" 303 elif test "x$OPENJDK_TARGET_CPU_ARCH" = xx86; then 304 OPENJDK_TARGET_CPU_JLI_CFLAGS="$OPENJDK_TARGET_CPU_JLI_CFLAGS -DLIBARCH32NAME='\"i386\"' -DLIBARCH64NAME='\"amd64\"'" 305 fi 306 fi 307 AC_SUBST(OPENJDK_TARGET_CPU_JLI_CFLAGS) 308 309 # Setup OPENJDK_TARGET_OS_API_DIR, used in source paths. 310 if test "x$OPENJDK_TARGET_OS_API" = xposix; then 311 OPENJDK_TARGET_OS_API_DIR="solaris" 312 fi 313 if test "x$OPENJDK_TARGET_OS_API" = xwinapi; then 314 OPENJDK_TARGET_OS_API_DIR="windows" 315 fi 316 AC_SUBST(OPENJDK_TARGET_OS_API_DIR) 317 318 if test "x$OPENJDK_TARGET_CPU_BITS" = x64; then 319 A_LP64="LP64:=" 320 # -D_LP64=1 is only set on linux and mac. Setting on windows causes diff in 321 # unpack200.exe 322 if test "x$OPENJDK_TARGET_OS" = xlinux || test "x$OPENJDK_TARGET_OS" = xmacosx; then 323 ADD_LP64="-D_LP64=1" 324 fi 325 fi 326 AC_SUBST(LP64,$A_LP64) 327 328 if test "x$COMPILE_TYPE" = "xcross"; then 329 # FIXME: ... or should this include reduced builds..? 330 DEFINE_CROSS_COMPILE_ARCH="CROSS_COMPILE_ARCH:=$OPENJDK_TARGET_CPU_LEGACY" 331 else 332 DEFINE_CROSS_COMPILE_ARCH="" 333 fi 334 AC_SUBST(DEFINE_CROSS_COMPILE_ARCH) 335 336 # Some Zero and Shark settings. 337 # ZERO_ARCHFLAG tells the compiler which mode to build for 338 case "${OPENJDK_TARGET_CPU}" in 339 s390) 340 ZERO_ARCHFLAG="-m31" 341 ;; 342 *) 343 ZERO_ARCHFLAG="-m${OPENJDK_TARGET_CPU_BITS}" 344 esac 345 PLATFORM_COMPILER_CHECK_ARGUMENTS([$ZERO_ARCHFLAG], [], [ZERO_ARCHFLAG=""]) 346 AC_SUBST(ZERO_ARCHFLAG) 347 348 # ZERO_ARCHDEF is used to enable architecture-specific code 349 case "${OPENJDK_TARGET_CPU}" in 350 ppc*) ZERO_ARCHDEF=PPC ;; 351 s390*) ZERO_ARCHDEF=S390 ;; 352 sparc*) ZERO_ARCHDEF=SPARC ;; 353 x86_64*) ZERO_ARCHDEF=AMD64 ;; 354 x86) ZERO_ARCHDEF=IA32 ;; 355 *) ZERO_ARCHDEF=$(echo "${OPENJDK_TARGET_CPU_LEGACY_LIB}" | tr a-z A-Z) 356 esac 357 AC_SUBST(ZERO_ARCHDEF) 358 359 ]) 360 361 AC_DEFUN([PLATFORM_SET_RELEASE_FILE_OS_VALUES], 362 [ 363 if test "x$OPENJDK_TARGET_OS" = "xsolaris"; then 364 REQUIRED_OS_NAME=SunOS 365 REQUIRED_OS_VERSION=5.10 366 fi 367 if test "x$OPENJDK_TARGET_OS" = "xlinux"; then 368 REQUIRED_OS_NAME=Linux 369 REQUIRED_OS_VERSION=2.6 370 fi 371 if test "x$OPENJDK_TARGET_OS" = "xwindows"; then 372 REQUIRED_OS_NAME=Windows 373 if test "x$OPENJDK_TARGET_CPU_BITS" = "x64"; then 374 REQUIRED_OS_VERSION=5.2 375 else 376 REQUIRED_OS_VERSION=5.1 377 fi 378 fi 379 if test "x$OPENJDK_TARGET_OS" = "xmacosx"; then 380 REQUIRED_OS_NAME=Darwin 381 REQUIRED_OS_VERSION=11.2 382 fi 383 384 AC_SUBST(REQUIRED_OS_NAME) 385 AC_SUBST(REQUIRED_OS_VERSION) 386 ]) 387 388 #%%% Build and target systems %%% 389 AC_DEFUN_ONCE([PLATFORM_SETUP_OPENJDK_BUILD_AND_TARGET], 390 [ 391 # Figure out the build and target systems. # Note that in autoconf terminology, "build" is obvious, but "target" 392 # is confusing; it assumes you are cross-compiling a cross-compiler (!) and "target" is thus the target of the 393 # product you're building. The target of this build is called "host". Since this is confusing to most people, we 394 # have not adopted that system, but use "target" as the platform we are building for. In some places though we need 395 # to use the configure naming style. 396 AC_CANONICAL_BUILD 397 AC_CANONICAL_HOST 398 AC_CANONICAL_TARGET 399 400 PLATFORM_EXTRACT_TARGET_AND_BUILD 401 PLATFORM_SETUP_TARGET_CPU_BITS 402 PLATFORM_SET_RELEASE_FILE_OS_VALUES 403 PLATFORM_SETUP_LEGACY_VARS 404 ]) 405 406 AC_DEFUN_ONCE([PLATFORM_SETUP_OPENJDK_BUILD_OS_VERSION], 407 [ 408 ############################################################################### 409 410 # Note that this is the build platform OS version! 411 412 OS_VERSION="`uname -r | ${SED} 's!\.! !g' | ${SED} 's!-! !g'`" 413 OS_VERSION_MAJOR="`${ECHO} ${OS_VERSION} | ${CUT} -f 1 -d ' '`" 414 OS_VERSION_MINOR="`${ECHO} ${OS_VERSION} | ${CUT} -f 2 -d ' '`" 415 OS_VERSION_MICRO="`${ECHO} ${OS_VERSION} | ${CUT} -f 3 -d ' '`" 416 AC_SUBST(OS_VERSION_MAJOR) 417 AC_SUBST(OS_VERSION_MINOR) 418 AC_SUBST(OS_VERSION_MICRO) 419 ]) 420 421 # Check that the compiler supports an argument 422 # $1: the compiler argumen to check 423 # $2: action-if-true 424 # $3: action-if-false 425 AC_DEFUN([PLATFORM_COMPILER_CHECK_ARGUMENTS], 426 [ 427 AC_MSG_CHECKING([if compiler supports "$1"]) 428 saved_cflags="$CFLAGS" 429 CFLAGS="$1" 430 AC_COMPILE_IFELSE([ 431 AC_LANG_SOURCE([ 432 [int main() { return 0; }] 433 ]) 434 ], [supports=yes], [supports=no]) 435 CFLAGS="$saved_cflags" 436 if "x$supports" = "xyes" ; then 437 AC_MSG_RESULT([$supports]) 438 $2 439 else 440 AC_MSG_RESULT([$supports]) 441 $3 442 fi 443 ]) 444 445 # Check that the compiler supports -mX flags 446 # Set COMPILER_SUPPORTS_TARGET_BITS_FLAG to 'true' if it does 447 AC_DEFUN([PLATFORM_CHECK_COMPILER_TARGET_BITS_FLAGS], 448 [ 449 PLATFORM_COMPILER_CHECK_ARGUMENTS(["-m${OPENJDK_TARGET_CPU_BITS}"], 450 [COMPILER_SUPPORTS_TARGET_BITS_FLAG=true], 451 [COMPILER_SUPPORTS_TARGET_BITS_FLAG=false]) 452 AC_SUBST(COMPILER_SUPPORTS_TARGET_BITS_FLAG) 453 ]) 454 455 # Support macro for PLATFORM_SETUP_OPENJDK_TARGET_BITS. 456 # Add -mX to various FLAGS variables. 457 AC_DEFUN([PLATFORM_SET_COMPILER_TARGET_BITS_FLAGS], 458 [ 459 460 # keep track of c/cxx flags that we added outselves... 461 # to prevent emitting warning... 462 ADDED_CFLAGS=" -m${OPENJDK_TARGET_CPU_BITS}" 463 ADDED_CXXFLAGS=" -m${OPENJDK_TARGET_CPU_BITS}" 464 ADDED_LDFLAGS=" -m${OPENJDK_TARGET_CPU_BITS}" 465 466 CFLAGS="${CFLAGS}${ADDED_CFLAGS}" 467 CXXFLAGS="${CXXFLAGS}${ADDED_CXXFLAGS}" 468 LDFLAGS="${LDFLAGS}${ADDED_LDFLAGS}" 469 470 CFLAGS_JDK="${CFLAGS_JDK}${ADDED_CFLAGS}" 471 CXXFLAGS_JDK="${CXXFLAGS_JDK}${ADDED_CXXFLAGS}" 472 LDFLAGS_JDK="${LDFLAGS_JDK}${ADDED_LDFLAGS}" 473 ]) 474 475 AC_DEFUN_ONCE([PLATFORM_SETUP_OPENJDK_TARGET_BITS], 476 [ 477 ############################################################################### 478 # 479 # Now we check if libjvm.so will use 32 or 64 bit pointers for the C/C++ code. 480 # (The JVM can use 32 or 64 bit Java pointers but that decision 481 # is made at runtime.) 482 # 483 484 PLATFORM_CHECK_COMPILER_TARGET_BITS_FLAGS 485 486 if test "x$OPENJDK_TARGET_OS" = xsolaris; then 487 # Always specify -m flags on Solaris 488 PLATFORM_SET_COMPILER_TARGET_BITS_FLAGS 489 elif test "x$COMPILE_TYPE" = xreduced; then 490 if test "x$OPENJDK_TARGET_OS" != xwindows; then 491 # Specify -m if running reduced on other Posix platforms 492 PLATFORM_SET_COMPILER_TARGET_BITS_FLAGS 493 fi 494 fi 495 496 # Make compilation sanity check 497 AC_CHECK_HEADERS([stdio.h], , [ 498 AC_MSG_NOTICE([Failed to compile stdio.h. This likely implies missing compile dependencies.]) 499 if test "x$COMPILE_TYPE" = xreduced; then 500 AC_MSG_NOTICE([You are doing a reduced build. Check that you have 32-bit libraries installed.]) 501 elif test "x$COMPILE_TYPE" = xcross; then 502 AC_MSG_NOTICE([You are doing a cross-compilation. Check that you have all target platform libraries installed.]) 503 fi 504 AC_MSG_ERROR([Cannot continue.]) 505 ]) 506 507 AC_CHECK_SIZEOF([int *], [1111]) 508 509 if test "x$SIZEOF_INT_P" != "x$ac_cv_sizeof_int_p"; then 510 # Workaround autoconf bug, see http://lists.gnu.org/archive/html/autoconf/2010-07/msg00004.html 511 SIZEOF_INT_P="$ac_cv_sizeof_int_p" 512 fi 513 514 if test "x$SIZEOF_INT_P" = x; then 515 # The test failed, lets stick to the assumed value. 516 AC_MSG_WARN([The number of bits in the target could not be determined, using $OPENJDK_TARGET_CPU_BITS.]) 517 else 518 TESTED_TARGET_CPU_BITS=`expr 8 \* $SIZEOF_INT_P` 519 520 if test "x$TESTED_TARGET_CPU_BITS" != "x$OPENJDK_TARGET_CPU_BITS"; then 521 AC_MSG_ERROR([The tested number of bits in the target ($TESTED_TARGET_CPU_BITS) differs from the number of bits expected to be found in the target ($OPENJDK_TARGET_CPU_BITS)]) 522 fi 523 fi 524 525 AC_MSG_CHECKING([for target address size]) 526 AC_MSG_RESULT([$OPENJDK_TARGET_CPU_BITS bits]) 527 ]) 528 529 AC_DEFUN_ONCE([PLATFORM_SETUP_OPENJDK_TARGET_ENDIANNESS], 530 [ 531 ############################################################################### 532 # 533 # Is the target little of big endian? 534 # 535 AC_C_BIGENDIAN([ENDIAN="big"],[ENDIAN="little"],[ENDIAN="unknown"],[ENDIAN="universal_endianness"]) 536 537 if test "x$ENDIAN" = xuniversal_endianness; then 538 AC_MSG_ERROR([Building with both big and little endianness is not supported]) 539 fi 540 if test "x$ENDIAN" != "x$OPENJDK_TARGET_CPU_ENDIAN"; then 541 AC_MSG_ERROR([The tested endian in the target ($ENDIAN) differs from the endian expected to be found in the target ($OPENJDK_TARGET_CPU_ENDIAN)]) 542 fi 543 ])