Wed, 22 Jan 2014 12:53:21 -0800
Added tag jdk8-b125 for changeset 790bbd46b201
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 #
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 s390)
64 VAR_CPU=s390
65 VAR_CPU_ARCH=s390
66 VAR_CPU_BITS=32
67 VAR_CPU_ENDIAN=big
68 ;;
69 s390x)
70 VAR_CPU=s390x
71 VAR_CPU_ARCH=s390
72 VAR_CPU_BITS=64
73 VAR_CPU_ENDIAN=big
74 ;;
75 sparc)
76 VAR_CPU=sparc
77 VAR_CPU_ARCH=sparc
78 VAR_CPU_BITS=32
79 VAR_CPU_ENDIAN=big
80 ;;
81 sparcv9)
82 VAR_CPU=sparcv9
83 VAR_CPU_ARCH=sparc
84 VAR_CPU_BITS=64
85 VAR_CPU_ENDIAN=big
86 ;;
87 *)
88 AC_MSG_ERROR([unsupported cpu $1])
89 ;;
90 esac
91 ])
93 # Support macro for PLATFORM_EXTRACT_TARGET_AND_BUILD.
94 # Converts autoconf style OS name to OpenJDK style, into
95 # VAR_OS and VAR_OS_API.
96 AC_DEFUN([PLATFORM_EXTRACT_VARS_FROM_OS],
97 [
98 case "$1" in
99 *linux*)
100 VAR_OS=linux
101 VAR_OS_API=posix
102 VAR_OS_ENV=linux
103 ;;
104 *solaris*)
105 VAR_OS=solaris
106 VAR_OS_API=posix
107 VAR_OS_ENV=solaris
108 ;;
109 *darwin*)
110 VAR_OS=macosx
111 VAR_OS_API=posix
112 VAR_OS_ENV=macosx
113 ;;
114 *bsd*)
115 VAR_OS=bsd
116 VAR_OS_API=posix
117 VAR_OS_ENV=bsd
118 ;;
119 *cygwin*)
120 VAR_OS=windows
121 VAR_OS_API=winapi
122 VAR_OS_ENV=windows.cygwin
123 ;;
124 *mingw*)
125 VAR_OS=windows
126 VAR_OS_API=winapi
127 VAR_OS_ENV=windows.msys
128 ;;
129 *)
130 AC_MSG_ERROR([unsupported operating system $1])
131 ;;
132 esac
133 ])
135 # Expects $host_os $host_cpu $build_os and $build_cpu
136 # and $with_target_bits to have been setup!
137 #
138 # Translate the standard triplet(quadruplet) definition
139 # of the target/build system into OPENJDK_TARGET_OS, OPENJDK_TARGET_CPU,
140 # OPENJDK_BUILD_OS, etc.
141 AC_DEFUN([PLATFORM_EXTRACT_TARGET_AND_BUILD],
142 [
143 # Copy the autoconf trip/quadruplet verbatim to OPENJDK_TARGET_AUTOCONF_NAME
144 # (from the autoconf "host") and OPENJDK_BUILD_AUTOCONF_NAME
145 # Note that we might later on rewrite e.g. OPENJDK_TARGET_CPU due to reduced build,
146 # but this will not change the value of OPENJDK_TARGET_AUTOCONF_NAME.
147 OPENJDK_TARGET_AUTOCONF_NAME="$host"
148 OPENJDK_BUILD_AUTOCONF_NAME="$build"
149 AC_SUBST(OPENJDK_TARGET_AUTOCONF_NAME)
150 AC_SUBST(OPENJDK_BUILD_AUTOCONF_NAME)
152 # Convert the autoconf OS/CPU value to our own data, into the VAR_OS/CPU variables.
153 PLATFORM_EXTRACT_VARS_FROM_OS($build_os)
154 PLATFORM_EXTRACT_VARS_FROM_CPU($build_cpu)
155 # ..and setup our own variables. (Do this explicitely to facilitate searching)
156 OPENJDK_BUILD_OS="$VAR_OS"
157 OPENJDK_BUILD_OS_API="$VAR_OS_API"
158 OPENJDK_BUILD_OS_ENV="$VAR_OS_ENV"
159 OPENJDK_BUILD_CPU="$VAR_CPU"
160 OPENJDK_BUILD_CPU_ARCH="$VAR_CPU_ARCH"
161 OPENJDK_BUILD_CPU_BITS="$VAR_CPU_BITS"
162 OPENJDK_BUILD_CPU_ENDIAN="$VAR_CPU_ENDIAN"
163 AC_SUBST(OPENJDK_BUILD_OS)
164 AC_SUBST(OPENJDK_BUILD_OS_API)
165 AC_SUBST(OPENJDK_BUILD_CPU)
166 AC_SUBST(OPENJDK_BUILD_CPU_ARCH)
167 AC_SUBST(OPENJDK_BUILD_CPU_BITS)
168 AC_SUBST(OPENJDK_BUILD_CPU_ENDIAN)
170 AC_MSG_CHECKING([openjdk-build os-cpu])
171 AC_MSG_RESULT([$OPENJDK_BUILD_OS-$OPENJDK_BUILD_CPU])
173 # Convert the autoconf OS/CPU value to our own data, into the VAR_OS/CPU variables.
174 PLATFORM_EXTRACT_VARS_FROM_OS($host_os)
175 PLATFORM_EXTRACT_VARS_FROM_CPU($host_cpu)
176 # ... and setup our own variables. (Do this explicitely to facilitate searching)
177 OPENJDK_TARGET_OS="$VAR_OS"
178 OPENJDK_TARGET_OS_API="$VAR_OS_API"
179 OPENJDK_TARGET_OS_ENV="$VAR_OS_ENV"
180 OPENJDK_TARGET_CPU="$VAR_CPU"
181 OPENJDK_TARGET_CPU_ARCH="$VAR_CPU_ARCH"
182 OPENJDK_TARGET_CPU_BITS="$VAR_CPU_BITS"
183 OPENJDK_TARGET_CPU_ENDIAN="$VAR_CPU_ENDIAN"
184 AC_SUBST(OPENJDK_TARGET_OS)
185 AC_SUBST(OPENJDK_TARGET_OS_API)
186 AC_SUBST(OPENJDK_TARGET_CPU)
187 AC_SUBST(OPENJDK_TARGET_CPU_ARCH)
188 AC_SUBST(OPENJDK_TARGET_CPU_BITS)
189 AC_SUBST(OPENJDK_TARGET_CPU_ENDIAN)
191 AC_MSG_CHECKING([openjdk-target os-cpu])
192 AC_MSG_RESULT([$OPENJDK_TARGET_OS-$OPENJDK_TARGET_CPU])
193 ])
195 # Check if a reduced build (32-bit on 64-bit platforms) is requested, and modify behaviour
196 # accordingly. Must be done after setting up build and target system, but before
197 # doing anything else with these values.
198 AC_DEFUN([PLATFORM_SETUP_TARGET_CPU_BITS],
199 [
200 AC_ARG_WITH(target-bits, [AS_HELP_STRING([--with-target-bits],
201 [build 32-bit or 64-bit binaries (for platforms that support it), e.g. --with-target-bits=32 @<:@guessed@:>@])])
203 # We have three types of compiles:
204 # native == normal compilation, target system == build system
205 # cross == traditional cross compilation, target system != build system; special toolchain needed
206 # reduced == using native compilers, but with special flags (e.g. -m32) to produce 32-bit builds on 64-bit machines
207 #
208 if test "x$OPENJDK_BUILD_AUTOCONF_NAME" != "x$OPENJDK_TARGET_AUTOCONF_NAME"; then
209 # We're doing a proper cross-compilation
210 COMPILE_TYPE="cross"
211 else
212 COMPILE_TYPE="native"
213 fi
215 if test "x$with_target_bits" != x; then
216 if test "x$COMPILE_TYPE" = "xcross"; then
217 AC_MSG_ERROR([It is not possible to combine --with-target-bits=X and proper cross-compilation. Choose either.])
218 fi
220 if test "x$with_target_bits" = x32 && test "x$OPENJDK_TARGET_CPU_BITS" = x64; then
221 # A reduced build is requested
222 COMPILE_TYPE="reduced"
223 OPENJDK_TARGET_CPU_BITS=32
224 if test "x$OPENJDK_TARGET_CPU_ARCH" = "xx86"; then
225 OPENJDK_TARGET_CPU=x86
226 elif test "x$OPENJDK_TARGET_CPU_ARCH" = "xsparc"; then
227 OPENJDK_TARGET_CPU=sparc
228 else
229 AC_MSG_ERROR([Reduced build (--with-target-bits=32) is only supported on x86_64 and sparcv9])
230 fi
231 elif test "x$with_target_bits" = x64 && test "x$OPENJDK_TARGET_CPU_BITS" = x32; then
232 AC_MSG_ERROR([It is not possible to use --with-target-bits=64 on a 32 bit system. Use proper cross-compilation instead.])
233 elif test "x$with_target_bits" = "x$OPENJDK_TARGET_CPU_BITS"; then
234 AC_MSG_NOTICE([--with-target-bits are set to build platform address size; argument has no meaning])
235 else
236 AC_MSG_ERROR([--with-target-bits can only be 32 or 64, you specified $with_target_bits!])
237 fi
238 fi
239 AC_SUBST(COMPILE_TYPE)
241 AC_MSG_CHECKING([compilation type])
242 AC_MSG_RESULT([$COMPILE_TYPE])
243 ])
245 # Setup the legacy variables, for controlling the old makefiles.
246 #
247 AC_DEFUN([PLATFORM_SETUP_LEGACY_VARS],
248 [
249 # Also store the legacy naming of the cpu.
250 # Ie i586 and amd64 instead of x86 and x86_64
251 OPENJDK_TARGET_CPU_LEGACY="$OPENJDK_TARGET_CPU"
252 if test "x$OPENJDK_TARGET_CPU" = xx86; then
253 OPENJDK_TARGET_CPU_LEGACY="i586"
254 elif test "x$OPENJDK_TARGET_OS" != xmacosx && test "x$OPENJDK_TARGET_CPU" = xx86_64; then
255 # On all platforms except MacOSX replace x86_64 with amd64.
256 OPENJDK_TARGET_CPU_LEGACY="amd64"
257 fi
258 AC_SUBST(OPENJDK_TARGET_CPU_LEGACY)
260 # And the second legacy naming of the cpu.
261 # Ie i386 and amd64 instead of x86 and x86_64.
262 OPENJDK_TARGET_CPU_LEGACY_LIB="$OPENJDK_TARGET_CPU"
263 if test "x$OPENJDK_TARGET_CPU" = xx86; then
264 OPENJDK_TARGET_CPU_LEGACY_LIB="i386"
265 elif test "x$OPENJDK_TARGET_CPU" = xx86_64; then
266 OPENJDK_TARGET_CPU_LEGACY_LIB="amd64"
267 fi
268 AC_SUBST(OPENJDK_TARGET_CPU_LEGACY_LIB)
270 # This is the name of the cpu (but using i386 and amd64 instead of
271 # x86 and x86_64, respectively), preceeded by a /, to be used when
272 # locating libraries. On macosx, it's empty, though.
273 OPENJDK_TARGET_CPU_LIBDIR="/$OPENJDK_TARGET_CPU_LEGACY_LIB"
274 if test "x$OPENJDK_TARGET_OS" = xmacosx; then
275 OPENJDK_TARGET_CPU_LIBDIR=""
276 fi
277 AC_SUBST(OPENJDK_TARGET_CPU_LIBDIR)
279 # OPENJDK_TARGET_CPU_ISADIR is normally empty. On 64-bit Solaris systems, it is set to
280 # /amd64 or /sparcv9. This string is appended to some library paths, like this:
281 # /usr/lib${OPENJDK_TARGET_CPU_ISADIR}/libexample.so
282 OPENJDK_TARGET_CPU_ISADIR=""
283 if test "x$OPENJDK_TARGET_OS" = xsolaris; then
284 if test "x$OPENJDK_TARGET_CPU" = xx86_64; then
285 OPENJDK_TARGET_CPU_ISADIR="/amd64"
286 elif test "x$OPENJDK_TARGET_CPU" = xsparcv9; then
287 OPENJDK_TARGET_CPU_ISADIR="/sparcv9"
288 fi
289 fi
290 AC_SUBST(OPENJDK_TARGET_CPU_ISADIR)
292 # Setup OPENJDK_TARGET_CPU_OSARCH, which is used to set the os.arch Java system property
293 OPENJDK_TARGET_CPU_OSARCH="$OPENJDK_TARGET_CPU"
294 if test "x$OPENJDK_TARGET_OS" = xlinux && test "x$OPENJDK_TARGET_CPU" = xx86; then
295 # On linux only, we replace x86 with i386.
296 OPENJDK_TARGET_CPU_OSARCH="i386"
297 elif test "x$OPENJDK_TARGET_OS" != xmacosx && test "x$OPENJDK_TARGET_CPU" = xx86_64; then
298 # On all platforms except macosx, we replace x86_64 with amd64.
299 OPENJDK_TARGET_CPU_OSARCH="amd64"
300 fi
301 AC_SUBST(OPENJDK_TARGET_CPU_OSARCH)
303 OPENJDK_TARGET_CPU_JLI="$OPENJDK_TARGET_CPU"
304 if test "x$OPENJDK_TARGET_CPU" = xx86; then
305 OPENJDK_TARGET_CPU_JLI="i386"
306 elif test "x$OPENJDK_TARGET_OS" != xmacosx && test "x$OPENJDK_TARGET_CPU" = xx86_64; then
307 # On all platforms except macosx, we replace x86_64 with amd64.
308 OPENJDK_TARGET_CPU_JLI="amd64"
309 fi
310 # Now setup the -D flags for building libjli.
311 OPENJDK_TARGET_CPU_JLI_CFLAGS="-DLIBARCHNAME='\"$OPENJDK_TARGET_CPU_JLI\"'"
312 if test "x$OPENJDK_TARGET_OS" = xsolaris; then
313 if test "x$OPENJDK_TARGET_CPU_ARCH" = xsparc; then
314 OPENJDK_TARGET_CPU_JLI_CFLAGS="$OPENJDK_TARGET_CPU_JLI_CFLAGS -DLIBARCH32NAME='\"sparc\"' -DLIBARCH64NAME='\"sparcv9\"'"
315 elif test "x$OPENJDK_TARGET_CPU_ARCH" = xx86; then
316 OPENJDK_TARGET_CPU_JLI_CFLAGS="$OPENJDK_TARGET_CPU_JLI_CFLAGS -DLIBARCH32NAME='\"i386\"' -DLIBARCH64NAME='\"amd64\"'"
317 fi
318 fi
319 AC_SUBST(OPENJDK_TARGET_CPU_JLI_CFLAGS)
321 # Setup OPENJDK_TARGET_OS_API_DIR, used in source paths.
322 if test "x$OPENJDK_TARGET_OS_API" = xposix; then
323 OPENJDK_TARGET_OS_API_DIR="solaris"
324 fi
325 if test "x$OPENJDK_TARGET_OS_API" = xwinapi; then
326 OPENJDK_TARGET_OS_API_DIR="windows"
327 fi
328 AC_SUBST(OPENJDK_TARGET_OS_API_DIR)
330 if test "x$OPENJDK_TARGET_OS" = xmacosx; then
331 OPENJDK_TARGET_OS_EXPORT_DIR=macosx
332 else
333 OPENJDK_TARGET_OS_EXPORT_DIR=${OPENJDK_TARGET_OS_API_DIR}
334 fi
335 AC_SUBST(OPENJDK_TARGET_OS_EXPORT_DIR)
337 if test "x$OPENJDK_TARGET_CPU_BITS" = x64; then
338 A_LP64="LP64:="
339 # -D_LP64=1 is only set on linux and mac. Setting on windows causes diff in
340 # unpack200.exe
341 if test "x$OPENJDK_TARGET_OS" = xlinux || test "x$OPENJDK_TARGET_OS" = xmacosx; then
342 ADD_LP64="-D_LP64=1"
343 fi
344 fi
345 AC_SUBST(LP64,$A_LP64)
347 if test "x$COMPILE_TYPE" = "xcross"; then
348 # FIXME: ... or should this include reduced builds..?
349 DEFINE_CROSS_COMPILE_ARCH="CROSS_COMPILE_ARCH:=$OPENJDK_TARGET_CPU_LEGACY"
350 else
351 DEFINE_CROSS_COMPILE_ARCH=""
352 fi
353 AC_SUBST(DEFINE_CROSS_COMPILE_ARCH)
355 # ZERO_ARCHDEF is used to enable architecture-specific code
356 case "${OPENJDK_TARGET_CPU}" in
357 ppc*) ZERO_ARCHDEF=PPC ;;
358 s390*) ZERO_ARCHDEF=S390 ;;
359 sparc*) ZERO_ARCHDEF=SPARC ;;
360 x86_64*) ZERO_ARCHDEF=AMD64 ;;
361 x86) ZERO_ARCHDEF=IA32 ;;
362 *) ZERO_ARCHDEF=$(echo "${OPENJDK_TARGET_CPU_LEGACY_LIB}" | tr a-z A-Z)
363 esac
364 AC_SUBST(ZERO_ARCHDEF)
365 ])
367 AC_DEFUN([PLATFORM_SET_RELEASE_FILE_OS_VALUES],
368 [
369 if test "x$OPENJDK_TARGET_OS" = "xsolaris"; then
370 REQUIRED_OS_NAME=SunOS
371 REQUIRED_OS_VERSION=5.10
372 fi
373 if test "x$OPENJDK_TARGET_OS" = "xlinux"; then
374 REQUIRED_OS_NAME=Linux
375 REQUIRED_OS_VERSION=2.6
376 fi
377 if test "x$OPENJDK_TARGET_OS" = "xwindows"; then
378 REQUIRED_OS_NAME=Windows
379 if test "x$OPENJDK_TARGET_CPU_BITS" = "x64"; then
380 REQUIRED_OS_VERSION=5.2
381 else
382 REQUIRED_OS_VERSION=5.1
383 fi
384 fi
385 if test "x$OPENJDK_TARGET_OS" = "xmacosx"; then
386 REQUIRED_OS_NAME=Darwin
387 REQUIRED_OS_VERSION=11.2
388 fi
390 AC_SUBST(REQUIRED_OS_NAME)
391 AC_SUBST(REQUIRED_OS_VERSION)
392 ])
394 #%%% Build and target systems %%%
395 AC_DEFUN_ONCE([PLATFORM_SETUP_OPENJDK_BUILD_AND_TARGET],
396 [
397 # Figure out the build and target systems. # Note that in autoconf terminology, "build" is obvious, but "target"
398 # is confusing; it assumes you are cross-compiling a cross-compiler (!) and "target" is thus the target of the
399 # product you're building. The target of this build is called "host". Since this is confusing to most people, we
400 # have not adopted that system, but use "target" as the platform we are building for. In some places though we need
401 # to use the configure naming style.
402 AC_CANONICAL_BUILD
403 AC_CANONICAL_HOST
404 AC_CANONICAL_TARGET
406 PLATFORM_EXTRACT_TARGET_AND_BUILD
407 PLATFORM_SETUP_TARGET_CPU_BITS
408 PLATFORM_SET_RELEASE_FILE_OS_VALUES
409 PLATFORM_SETUP_LEGACY_VARS
410 ])
412 AC_DEFUN_ONCE([PLATFORM_SETUP_OPENJDK_BUILD_OS_VERSION],
413 [
414 ###############################################################################
416 # Note that this is the build platform OS version!
418 OS_VERSION="`uname -r | ${SED} 's!\.! !g' | ${SED} 's!-! !g'`"
419 OS_VERSION_MAJOR="`${ECHO} ${OS_VERSION} | ${CUT} -f 1 -d ' '`"
420 OS_VERSION_MINOR="`${ECHO} ${OS_VERSION} | ${CUT} -f 2 -d ' '`"
421 OS_VERSION_MICRO="`${ECHO} ${OS_VERSION} | ${CUT} -f 3 -d ' '`"
422 AC_SUBST(OS_VERSION_MAJOR)
423 AC_SUBST(OS_VERSION_MINOR)
424 AC_SUBST(OS_VERSION_MICRO)
425 ])
427 # Support macro for PLATFORM_SETUP_OPENJDK_TARGET_BITS.
428 # Add -mX to various FLAGS variables.
429 AC_DEFUN([PLATFORM_SET_COMPILER_TARGET_BITS_FLAGS],
430 [
431 # When we add flags to the "official" CFLAGS etc, we need to
432 # keep track of these additions in ADDED_CFLAGS etc. These
433 # will later be checked to make sure only controlled additions
434 # have been made to CFLAGS etc.
435 ADDED_CFLAGS=" -m${OPENJDK_TARGET_CPU_BITS}"
436 ADDED_CXXFLAGS=" -m${OPENJDK_TARGET_CPU_BITS}"
437 ADDED_LDFLAGS=" -m${OPENJDK_TARGET_CPU_BITS}"
439 CFLAGS="${CFLAGS}${ADDED_CFLAGS}"
440 CXXFLAGS="${CXXFLAGS}${ADDED_CXXFLAGS}"
441 LDFLAGS="${LDFLAGS}${ADDED_LDFLAGS}"
443 CFLAGS_JDK="${CFLAGS_JDK}${ADDED_CFLAGS}"
444 CXXFLAGS_JDK="${CXXFLAGS_JDK}${ADDED_CXXFLAGS}"
445 LDFLAGS_JDK="${LDFLAGS_JDK}${ADDED_LDFLAGS}"
446 ])
448 AC_DEFUN_ONCE([PLATFORM_SETUP_OPENJDK_TARGET_BITS],
449 [
450 ###############################################################################
451 #
452 # Now we check if libjvm.so will use 32 or 64 bit pointers for the C/C++ code.
453 # (The JVM can use 32 or 64 bit Java pointers but that decision
454 # is made at runtime.)
455 #
457 if test "x$OPENJDK_TARGET_OS" = xsolaris; then
458 # Always specify -m flags on Solaris
459 PLATFORM_SET_COMPILER_TARGET_BITS_FLAGS
460 elif test "x$COMPILE_TYPE" = xreduced; then
461 if test "x$OPENJDK_TARGET_OS" != xwindows; then
462 # Specify -m if running reduced on other Posix platforms
463 PLATFORM_SET_COMPILER_TARGET_BITS_FLAGS
464 fi
465 fi
467 # Make compilation sanity check
468 AC_CHECK_HEADERS([stdio.h], , [
469 AC_MSG_NOTICE([Failed to compile stdio.h. This likely implies missing compile dependencies.])
470 if test "x$COMPILE_TYPE" = xreduced; then
471 AC_MSG_NOTICE([You are doing a reduced build. Check that you have 32-bit libraries installed.])
472 elif test "x$COMPILE_TYPE" = xcross; then
473 AC_MSG_NOTICE([You are doing a cross-compilation. Check that you have all target platform libraries installed.])
474 fi
475 AC_MSG_ERROR([Cannot continue.])
476 ])
478 AC_CHECK_SIZEOF([int *], [1111])
480 if test "x$SIZEOF_INT_P" != "x$ac_cv_sizeof_int_p"; then
481 # Workaround autoconf bug, see http://lists.gnu.org/archive/html/autoconf/2010-07/msg00004.html
482 SIZEOF_INT_P="$ac_cv_sizeof_int_p"
483 fi
485 if test "x$SIZEOF_INT_P" = x; then
486 # The test failed, lets stick to the assumed value.
487 AC_MSG_WARN([The number of bits in the target could not be determined, using $OPENJDK_TARGET_CPU_BITS.])
488 else
489 TESTED_TARGET_CPU_BITS=`expr 8 \* $SIZEOF_INT_P`
491 if test "x$TESTED_TARGET_CPU_BITS" != "x$OPENJDK_TARGET_CPU_BITS"; then
492 AC_MSG_ERROR([The tested number of bits in the target ($TESTED_TARGET_CPU_BITS) differs from the number of bits expected to be found in the target ($OPENJDK_TARGET_CPU_BITS)])
493 fi
494 fi
496 AC_MSG_CHECKING([for target address size])
497 AC_MSG_RESULT([$OPENJDK_TARGET_CPU_BITS bits])
498 ])
500 AC_DEFUN_ONCE([PLATFORM_SETUP_OPENJDK_TARGET_ENDIANNESS],
501 [
502 ###############################################################################
503 #
504 # Is the target little of big endian?
505 #
506 AC_C_BIGENDIAN([ENDIAN="big"],[ENDIAN="little"],[ENDIAN="unknown"],[ENDIAN="universal_endianness"])
508 if test "x$ENDIAN" = xuniversal_endianness; then
509 AC_MSG_ERROR([Building with both big and little endianness is not supported])
510 fi
511 if test "x$ENDIAN" != "x$OPENJDK_TARGET_CPU_ENDIAN"; then
512 AC_MSG_ERROR([The tested endian in the target ($ENDIAN) differs from the endian expected to be found in the target ($OPENJDK_TARGET_CPU_ENDIAN)])
513 fi
514 ])