1 #
2 # Copyright (c) 2011, 2017, 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 aarch64)
52 VAR_CPU=aarch64
53 VAR_CPU_ARCH=aarch64
54 VAR_CPU_BITS=64
55 VAR_CPU_ENDIAN=little
56 ;;
57 powerpc)
58 VAR_CPU=ppc
59 VAR_CPU_ARCH=ppc
60 VAR_CPU_BITS=32
61 VAR_CPU_ENDIAN=big
62 ;;
63 powerpc64)
64 VAR_CPU=ppc64
65 VAR_CPU_ARCH=ppc
66 VAR_CPU_BITS=64
67 VAR_CPU_ENDIAN=big
68 ;;
69 powerpc64le)
70 VAR_CPU=ppc64le
71 VAR_CPU_ARCH=ppc
72 VAR_CPU_BITS=64
73 VAR_CPU_ENDIAN=little
74 ;;
75 s390)
76 VAR_CPU=s390
77 VAR_CPU_ARCH=s390
78 VAR_CPU_BITS=32
79 VAR_CPU_ENDIAN=big
80 ;;
81 s390x)
82 VAR_CPU=s390x
83 VAR_CPU_ARCH=s390
84 VAR_CPU_BITS=64
85 VAR_CPU_ENDIAN=big
86 ;;
87 sparc)
88 VAR_CPU=sparc
89 VAR_CPU_ARCH=sparc
90 VAR_CPU_BITS=32
91 VAR_CPU_ENDIAN=big
92 ;;
93 sparcv9|sparc64)
94 VAR_CPU=sparcv9
95 VAR_CPU_ARCH=sparc
96 VAR_CPU_BITS=64
97 VAR_CPU_ENDIAN=big
98 ;;
99 *)
100 AC_MSG_ERROR([unsupported cpu $1])
101 ;;
102 esac
103 ])
104
105 # Support macro for PLATFORM_EXTRACT_TARGET_AND_BUILD.
106 # Converts autoconf style OS name to OpenJDK style, into
107 # VAR_OS, VAR_OS_TYPE and VAR_OS_ENV.
108 AC_DEFUN([PLATFORM_EXTRACT_VARS_FROM_OS],
109 [
110 case "$1" in
111 *linux*)
112 VAR_OS=linux
113 VAR_OS_TYPE=unix
114 ;;
115 *solaris*)
116 VAR_OS=solaris
117 VAR_OS_TYPE=unix
118 ;;
119 *darwin*)
120 VAR_OS=macosx
121 VAR_OS_TYPE=unix
122 ;;
123 *bsd*)
124 VAR_OS=bsd
125 VAR_OS_TYPE=unix
126 ;;
127 *cygwin*)
128 VAR_OS=windows
129 VAR_OS_ENV=windows.cygwin
130 ;;
131 *mingw*)
132 VAR_OS=windows
133 VAR_OS_ENV=windows.msys
134 ;;
135 *aix*)
136 VAR_OS=aix
137 VAR_OS_TYPE=unix
138 ;;
139 *)
140 AC_MSG_ERROR([unsupported operating system $1])
141 ;;
142 esac
143
144 case "$1" in
145 *linux*-musl)
146 VAR_CLIB=musl
147 ;;
148 *linux*-gnu)
149 VAR_CLIB=gnu
150 ;;
151 *)
152 VAR_CLIB=
153 ;;
154 esac
155 ])
156
157 # Expects $host_os $host_cpu $build_os and $build_cpu
158 # and $with_target_bits to have been setup!
159 #
160 # Translate the standard triplet(quadruplet) definition
161 # of the target/build system into OPENJDK_TARGET_OS, OPENJDK_TARGET_CPU,
162 # OPENJDK_BUILD_OS, etc.
163 AC_DEFUN([PLATFORM_EXTRACT_TARGET_AND_BUILD],
164 [
165 # Copy the autoconf trip/quadruplet verbatim to OPENJDK_TARGET_AUTOCONF_NAME
166 # (from the autoconf "host") and OPENJDK_BUILD_AUTOCONF_NAME
167 # Note that we might later on rewrite e.g. OPENJDK_TARGET_CPU due to reduced build,
168 # but this will not change the value of OPENJDK_TARGET_AUTOCONF_NAME.
169 OPENJDK_TARGET_AUTOCONF_NAME="$host"
170 OPENJDK_BUILD_AUTOCONF_NAME="$build"
171 AC_SUBST(OPENJDK_TARGET_AUTOCONF_NAME)
172 AC_SUBST(OPENJDK_BUILD_AUTOCONF_NAME)
173
174 # Convert the autoconf OS/CPU value to our own data, into the VAR_OS/CPU variables.
175 PLATFORM_EXTRACT_VARS_FROM_OS($build_os)
176 PLATFORM_EXTRACT_VARS_FROM_CPU($build_cpu)
177 # ..and setup our own variables. (Do this explicitly to facilitate searching)
178 OPENJDK_BUILD_OS="$VAR_OS"
179 if test "x$VAR_OS_TYPE" != x; then
180 OPENJDK_BUILD_OS_TYPE="$VAR_OS_TYPE"
181 else
182 OPENJDK_BUILD_OS_TYPE="$VAR_OS"
183 fi
184 if test "x$VAR_OS_ENV" != x; then
185 OPENJDK_BUILD_OS_ENV="$VAR_OS_ENV"
186 else
187 OPENJDK_BUILD_OS_ENV="$VAR_OS"
188 fi
189 OPENJDK_BUILD_CPU="$VAR_CPU"
190 OPENJDK_BUILD_CPU_ARCH="$VAR_CPU_ARCH"
191 OPENJDK_BUILD_CPU_BITS="$VAR_CPU_BITS"
192 OPENJDK_BUILD_CPU_ENDIAN="$VAR_CPU_ENDIAN"
193 OPENJDK_BUILD_CLIB="$VAR_CLIB"
194 AC_SUBST(OPENJDK_BUILD_OS)
195 AC_SUBST(OPENJDK_BUILD_OS_TYPE)
196 AC_SUBST(OPENJDK_BUILD_OS_ENV)
197 AC_SUBST(OPENJDK_BUILD_CPU)
198 AC_SUBST(OPENJDK_BUILD_CPU_ARCH)
199 AC_SUBST(OPENJDK_BUILD_CPU_BITS)
200 AC_SUBST(OPENJDK_BUILD_CPU_ENDIAN)
201 AC_SUBST(OPENJDK_BUILD_CLIB)
202
203 AC_MSG_CHECKING([openjdk-build os-cpu])
204 AC_MSG_RESULT([$OPENJDK_BUILD_OS-$OPENJDK_BUILD_CPU])
205
206 if test "x$OPENJDK_BUILD_OS" = "xlinux"; then
207 AC_MSG_CHECKING([openjdk-build C library])
208 AC_MSG_RESULT([$OPENJDK_BUILD_CLIB])
209 fi
210
211 # Convert the autoconf OS/CPU value to our own data, into the VAR_OS/CPU variables.
212 PLATFORM_EXTRACT_VARS_FROM_OS($host_os)
213 PLATFORM_EXTRACT_VARS_FROM_CPU($host_cpu)
214 # ... and setup our own variables. (Do this explicitly to facilitate searching)
215 OPENJDK_TARGET_OS="$VAR_OS"
216 if test "x$VAR_OS_TYPE" != x; then
217 OPENJDK_TARGET_OS_TYPE="$VAR_OS_TYPE"
218 else
219 OPENJDK_TARGET_OS_TYPE="$VAR_OS"
220 fi
221 if test "x$VAR_OS_ENV" != x; then
222 OPENJDK_TARGET_OS_ENV="$VAR_OS_ENV"
223 else
224 OPENJDK_TARGET_OS_ENV="$VAR_OS"
225 fi
226 OPENJDK_TARGET_CPU="$VAR_CPU"
227 OPENJDK_TARGET_CPU_ARCH="$VAR_CPU_ARCH"
228 OPENJDK_TARGET_CPU_BITS="$VAR_CPU_BITS"
229 OPENJDK_TARGET_CPU_ENDIAN="$VAR_CPU_ENDIAN"
230 OPENJDK_TARGET_CLIB="$VAR_CLIB"
231 AC_SUBST(OPENJDK_TARGET_OS)
232 AC_SUBST(OPENJDK_TARGET_OS_TYPE)
233 AC_SUBST(OPENJDK_TARGET_OS_ENV)
234 AC_SUBST(OPENJDK_TARGET_CPU)
235 AC_SUBST(OPENJDK_TARGET_CPU_ARCH)
236 AC_SUBST(OPENJDK_TARGET_CPU_BITS)
237 AC_SUBST(OPENJDK_TARGET_CPU_ENDIAN)
238 AC_SUBST(OPENJDK_TARGET_CLIB)
239
240 AC_MSG_CHECKING([openjdk-target os-cpu])
241 AC_MSG_RESULT([$OPENJDK_TARGET_OS-$OPENJDK_TARGET_CPU])
242
243 if test "x$OPENJDK_TARGET_OS" = "xlinux"; then
244 AC_MSG_CHECKING([openjdk-target C library])
245 AC_MSG_RESULT([$OPENJDK_TARGET_CLIB])
246 fi
247 ])
248
249 # Check if a reduced build (32-bit on 64-bit platforms) is requested, and modify behaviour
250 # accordingly. Must be done after setting up build and target system, but before
251 # doing anything else with these values.
252 AC_DEFUN([PLATFORM_SETUP_TARGET_CPU_BITS],
253 [
254 AC_ARG_WITH(target-bits, [AS_HELP_STRING([--with-target-bits],
255 [build 32-bit or 64-bit binaries (for platforms that support it), e.g. --with-target-bits=32 @<:@guessed@:>@])])
256
257 # We have three types of compiles:
258 # native == normal compilation, target system == build system
259 # cross == traditional cross compilation, target system != build system; special toolchain needed
260 # reduced == using native compilers, but with special flags (e.g. -m32) to produce 32-bit builds on 64-bit machines
261 #
262 if test "x$OPENJDK_BUILD_AUTOCONF_NAME" != "x$OPENJDK_TARGET_AUTOCONF_NAME"; then
263 # We're doing a proper cross-compilation
264 COMPILE_TYPE="cross"
265 else
266 COMPILE_TYPE="native"
267 fi
268
269 if test "x$with_target_bits" != x; then
270 if test "x$COMPILE_TYPE" = "xcross"; then
271 AC_MSG_ERROR([It is not possible to combine --with-target-bits=X and proper cross-compilation. Choose either.])
272 fi
273
274 if test "x$with_target_bits" = x32 && test "x$OPENJDK_TARGET_CPU_BITS" = x64; then
275 # A reduced build is requested
276 COMPILE_TYPE="reduced"
277 OPENJDK_TARGET_CPU_BITS=32
278 if test "x$OPENJDK_TARGET_CPU_ARCH" = "xx86"; then
279 OPENJDK_TARGET_CPU=x86
280 elif test "x$OPENJDK_TARGET_CPU_ARCH" = "xsparc"; then
281 OPENJDK_TARGET_CPU=sparc
282 else
283 AC_MSG_ERROR([Reduced build (--with-target-bits=32) is only supported on x86_64 and sparcv9])
284 fi
285 elif test "x$with_target_bits" = x64 && test "x$OPENJDK_TARGET_CPU_BITS" = x32; then
286 AC_MSG_ERROR([It is not possible to use --with-target-bits=64 on a 32 bit system. Use proper cross-compilation instead.])
287 elif test "x$with_target_bits" = "x$OPENJDK_TARGET_CPU_BITS"; then
288 AC_MSG_NOTICE([--with-target-bits are set to build platform address size; argument has no meaning])
289 else
290 AC_MSG_ERROR([--with-target-bits can only be 32 or 64, you specified $with_target_bits!])
291 fi
292 fi
293 AC_SUBST(COMPILE_TYPE)
294
295 AC_MSG_CHECKING([compilation type])
296 AC_MSG_RESULT([$COMPILE_TYPE])
297 ])
298
299 # Setup the legacy variables, for controlling the old makefiles.
300 #
301 AC_DEFUN([PLATFORM_SETUP_LEGACY_VARS],
302 [
303 PLATFORM_SETUP_LEGACY_VARS_HELPER([TARGET])
304 PLATFORM_SETUP_LEGACY_VARS_HELPER([BUILD])
305 ])
306
307 # $1 - Either TARGET or BUILD to setup the variables for.
308 AC_DEFUN([PLATFORM_SETUP_LEGACY_VARS_HELPER],
309 [
310 # Also store the legacy naming of the cpu.
311 # Ie i586 and amd64 instead of x86 and x86_64
312 OPENJDK_$1_CPU_LEGACY="$OPENJDK_$1_CPU"
313 if test "x$OPENJDK_$1_CPU" = xx86; then
314 OPENJDK_$1_CPU_LEGACY="i586"
315 elif test "x$OPENJDK_$1_OS" != xmacosx && test "x$OPENJDK_$1_CPU" = xx86_64; then
316 # On all platforms except MacOSX replace x86_64 with amd64.
317 OPENJDK_$1_CPU_LEGACY="amd64"
318 fi
319 AC_SUBST(OPENJDK_$1_CPU_LEGACY)
320
321 # And the second legacy naming of the cpu.
322 # Ie i386 and amd64 instead of x86 and x86_64.
323 OPENJDK_$1_CPU_LEGACY_LIB="$OPENJDK_$1_CPU"
324 if test "x$OPENJDK_$1_CPU" = xx86; then
325 OPENJDK_$1_CPU_LEGACY_LIB="i386"
326 elif test "x$OPENJDK_$1_CPU" = xx86_64; then
327 OPENJDK_$1_CPU_LEGACY_LIB="amd64"
328 fi
329 AC_SUBST(OPENJDK_$1_CPU_LEGACY_LIB)
330
331 # OPENJDK_$1_CPU_ISADIR is normally empty. On 64-bit Solaris systems, it is set to
332 # /amd64 or /sparcv9. This string is appended to some library paths, like this:
333 # /usr/lib${OPENJDK_$1_CPU_ISADIR}/libexample.so
334 OPENJDK_$1_CPU_ISADIR=""
335 if test "x$OPENJDK_$1_OS" = xsolaris; then
336 if test "x$OPENJDK_$1_CPU" = xx86_64; then
337 OPENJDK_$1_CPU_ISADIR="/amd64"
338 elif test "x$OPENJDK_$1_CPU" = xsparcv9; then
339 OPENJDK_$1_CPU_ISADIR="/sparcv9"
340 fi
341 fi
342 AC_SUBST(OPENJDK_$1_CPU_ISADIR)
343
344 # Setup OPENJDK_$1_CPU_OSARCH, which is used to set the os.arch Java system property
345 OPENJDK_$1_CPU_OSARCH="$OPENJDK_$1_CPU"
346 if test "x$OPENJDK_$1_OS" = xlinux && test "x$OPENJDK_$1_CPU" = xx86; then
347 # On linux only, we replace x86 with i386.
348 OPENJDK_$1_CPU_OSARCH="i386"
349 elif test "x$OPENJDK_$1_OS" != xmacosx && test "x$OPENJDK_$1_CPU" = xx86_64; then
350 # On all platforms except macosx, we replace x86_64 with amd64.
351 OPENJDK_$1_CPU_OSARCH="amd64"
352 fi
353 AC_SUBST(OPENJDK_$1_CPU_OSARCH)
354
355 OPENJDK_$1_CPU_JLI="$OPENJDK_$1_CPU"
356 if test "x$OPENJDK_$1_CPU" = xx86; then
357 OPENJDK_$1_CPU_JLI="i386"
358 elif test "x$OPENJDK_$1_OS" != xmacosx && test "x$OPENJDK_$1_CPU" = xx86_64; then
359 # On all platforms except macosx, we replace x86_64 with amd64.
360 OPENJDK_$1_CPU_JLI="amd64"
361 fi
362
363 if test "x$OPENJDK_$1_OS" = xmacosx; then
364 OPENJDK_$1_OS_EXPORT_DIR=macosx
365 else
366 OPENJDK_$1_OS_EXPORT_DIR=${OPENJDK_$1_OS_TYPE}
367 fi
368 AC_SUBST(OPENJDK_$1_OS_EXPORT_DIR)
369
370 # The new version string in JDK 9 also defined new naming of OS and ARCH for bundles
371 # Macosx is osx and x86_64 is x64
372 if test "x$OPENJDK_$1_OS" = xmacosx; then
373 OPENJDK_$1_OS_BUNDLE="osx"
374 else
375 OPENJDK_$1_OS_BUNDLE="$OPENJDK_TARGET_OS"
376 fi
377 if test "x$OPENJDK_$1_CPU" = xx86_64; then
378 OPENJDK_$1_CPU_BUNDLE="x64"
379 else
380 OPENJDK_$1_CPU_BUNDLE="$OPENJDK_$1_CPU"
381 fi
382 OPENJDK_$1_BUNDLE_PLATFORM="${OPENJDK_$1_OS_BUNDLE}-${OPENJDK_$1_CPU_BUNDLE}"
383 AC_SUBST(OPENJDK_$1_BUNDLE_PLATFORM)
384
385 if test "x$OPENJDK_$1_CPU_BITS" = x64; then
386 # -D_LP64=1 is only set on linux and mac. Setting on windows causes diff in
387 # unpack200.exe. This variable is used in
388 # FLAGS_SETUP_COMPILER_FLAGS_FOR_JDK_HELPER.
389 if test "x$OPENJDK_$1_OS" = xlinux || test "x$OPENJDK_$1_OS" = xmacosx; then
390 OPENJDK_$1_ADD_LP64="-D_LP64=1"
391 fi
392 fi
393
394 if test "x$COMPILE_TYPE" = "xcross"; then
395 # FIXME: ... or should this include reduced builds..?
396 DEFINE_CROSS_COMPILE_ARCH="CROSS_COMPILE_ARCH:=$OPENJDK_$1_CPU_LEGACY"
397 else
398 DEFINE_CROSS_COMPILE_ARCH=""
399 fi
400 AC_SUBST(DEFINE_CROSS_COMPILE_ARCH)
401
402 # Convert openjdk platform names to hotspot names
403
404 HOTSPOT_$1_OS=${OPENJDK_$1_OS}
405 if test "x$OPENJDK_$1_OS" = xmacosx; then
406 HOTSPOT_$1_OS=bsd
407 fi
408 AC_SUBST(HOTSPOT_$1_OS)
409
410 HOTSPOT_$1_OS_TYPE=${OPENJDK_$1_OS_TYPE}
411 if test "x$OPENJDK_$1_OS_TYPE" = xunix; then
412 HOTSPOT_$1_OS_TYPE=posix
413 fi
414 AC_SUBST(HOTSPOT_$1_OS_TYPE)
415
416 HOTSPOT_$1_CPU=${OPENJDK_$1_CPU}
417 if test "x$OPENJDK_$1_CPU" = xx86; then
418 HOTSPOT_$1_CPU=x86_32
419 elif test "x$OPENJDK_$1_CPU" = xsparcv9; then
420 HOTSPOT_$1_CPU=sparc
421 elif test "x$OPENJDK_$1_CPU" = xppc64; then
422 HOTSPOT_$1_CPU=ppc_64
423 elif test "x$OPENJDK_$1_CPU" = xppc64le; then
424 HOTSPOT_$1_CPU=ppc_64
425 fi
426 AC_SUBST(HOTSPOT_$1_CPU)
427
428 # This is identical with OPENJDK_*, but define anyway for consistency.
429 HOTSPOT_$1_CPU_ARCH=${OPENJDK_$1_CPU_ARCH}
430 AC_SUBST(HOTSPOT_$1_CPU_ARCH)
431
432 # Setup HOTSPOT_$1_CPU_DEFINE
433 if test "x$OPENJDK_$1_CPU" = xx86; then
434 HOTSPOT_$1_CPU_DEFINE=IA32
435 elif test "x$OPENJDK_$1_CPU" = xx86_64; then
436 HOTSPOT_$1_CPU_DEFINE=AMD64
437 elif test "x$OPENJDK_$1_CPU" = xsparcv9; then
438 HOTSPOT_$1_CPU_DEFINE=SPARC
439 elif test "x$OPENJDK_$1_CPU" = xaarch64; then
440 HOTSPOT_$1_CPU_DEFINE=AARCH64
441 elif test "x$OPENJDK_$1_CPU" = xppc64; then
442 HOTSPOT_$1_CPU_DEFINE=PPC64
443 elif test "x$OPENJDK_$1_CPU" = xppc64le; then
444 HOTSPOT_$1_CPU_DEFINE=PPC64
445
446 # The cpu defines below are for zero, we don't support them directly.
447 elif test "x$OPENJDK_$1_CPU" = xsparc; then
448 HOTSPOT_$1_CPU_DEFINE=SPARC
449 elif test "x$OPENJDK_$1_CPU" = xppc; then
450 HOTSPOT_$1_CPU_DEFINE=PPC32
451 elif test "x$OPENJDK_$1_CPU" = xs390; then
452 HOTSPOT_$1_CPU_DEFINE=S390
453 elif test "x$OPENJDK_$1_CPU" = xs390x; then
454 HOTSPOT_$1_CPU_DEFINE=S390
455 elif test "x$OPENJDK_$1_CPU" != x; then
456 HOTSPOT_$1_CPU_DEFINE=$(echo $OPENJDK_$1_CPU | tr a-z A-Z)
457 fi
458 AC_SUBST(HOTSPOT_$1_CPU_DEFINE)
459
460 ])
461
462 AC_DEFUN([PLATFORM_SET_RELEASE_FILE_OS_VALUES],
463 [
464 if test "x$OPENJDK_TARGET_OS" = "xsolaris"; then
465 REQUIRED_OS_NAME=SunOS
466 REQUIRED_OS_VERSION=5.10
467 fi
468 if test "x$OPENJDK_TARGET_OS" = "xlinux"; then
469 REQUIRED_OS_NAME=Linux
470 REQUIRED_OS_VERSION=2.6
471 fi
472 if test "x$OPENJDK_TARGET_OS" = "xwindows"; then
473 REQUIRED_OS_NAME=Windows
474 if test "x$OPENJDK_TARGET_CPU_BITS" = "x64"; then
475 REQUIRED_OS_VERSION=5.2
476 else
477 REQUIRED_OS_VERSION=5.1
478 fi
479 fi
480 if test "x$OPENJDK_TARGET_OS" = "xmacosx"; then
481 REQUIRED_OS_NAME="Mac OS X"
482 REQUIRED_OS_VERSION=11.2
483 fi
484 if test "x$OPENJDK_TARGET_OS" = "xaix"; then
485 REQUIRED_OS_NAME=AIX
486 REQUIRED_OS_VERSION=7.1
487 fi
488 REQUIRED_OS_ARCH=${OPENJDK_TARGET_CPU}
489
490 AC_SUBST(REQUIRED_OS_NAME)
491 AC_SUBST(REQUIRED_OS_ARCH)
492 AC_SUBST(REQUIRED_OS_VERSION)
493 ])
494
495 #%%% Build and target systems %%%
496 AC_DEFUN_ONCE([PLATFORM_SETUP_OPENJDK_BUILD_AND_TARGET],
497 [
498 # Figure out the build and target systems. # Note that in autoconf terminology, "build" is obvious, but "target"
499 # is confusing; it assumes you are cross-compiling a cross-compiler (!) and "target" is thus the target of the
500 # product you're building. The target of this build is called "host". Since this is confusing to most people, we
501 # have not adopted that system, but use "target" as the platform we are building for. In some places though we need
502 # to use the configure naming style.
503 AC_CANONICAL_BUILD
504 AC_CANONICAL_HOST
505 AC_CANONICAL_TARGET
506
507 PLATFORM_EXTRACT_TARGET_AND_BUILD
508 PLATFORM_SETUP_TARGET_CPU_BITS
509 PLATFORM_SET_RELEASE_FILE_OS_VALUES
510 PLATFORM_SETUP_LEGACY_VARS
511 ])
512
513 AC_DEFUN_ONCE([PLATFORM_SETUP_OPENJDK_BUILD_OS_VERSION],
514 [
515 ###############################################################################
516
517 # Note that this is the build platform OS version!
518
519 OS_VERSION="`uname -r | ${SED} 's!\.! !g' | ${SED} 's!-! !g'`"
520 OS_VERSION_MAJOR="`${ECHO} ${OS_VERSION} | ${CUT} -f 1 -d ' '`"
521 OS_VERSION_MINOR="`${ECHO} ${OS_VERSION} | ${CUT} -f 2 -d ' '`"
522 OS_VERSION_MICRO="`${ECHO} ${OS_VERSION} | ${CUT} -f 3 -d ' '`"
523 AC_SUBST(OS_VERSION_MAJOR)
524 AC_SUBST(OS_VERSION_MINOR)
525 AC_SUBST(OS_VERSION_MICRO)
526 ])
527
528 # Support macro for PLATFORM_SETUP_OPENJDK_TARGET_BITS.
529 # Add -mX to various FLAGS variables.
530 AC_DEFUN([PLATFORM_SET_COMPILER_TARGET_BITS_FLAGS],
531 [
532 # When we add flags to the "official" CFLAGS etc, we need to
533 # keep track of these additions in ADDED_CFLAGS etc. These
534 # will later be checked to make sure only controlled additions
535 # have been made to CFLAGS etc.
536 ADDED_CFLAGS=" ${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}"
537 ADDED_CXXFLAGS=" ${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}"
538 ADDED_LDFLAGS=" ${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}"
539
540 CFLAGS="${CFLAGS}${ADDED_CFLAGS}"
541 CXXFLAGS="${CXXFLAGS}${ADDED_CXXFLAGS}"
542 LDFLAGS="${LDFLAGS}${ADDED_LDFLAGS}"
543
544 CFLAGS_JDK="${CFLAGS_JDK}${ADDED_CFLAGS}"
545 CXXFLAGS_JDK="${CXXFLAGS_JDK}${ADDED_CXXFLAGS}"
546 LDFLAGS_JDK="${LDFLAGS_JDK}${ADDED_LDFLAGS}"
547
548 JVM_CFLAGS="$JVM_CFLAGS $ADDED_CFLAGS"
549 JVM_LDFLAGS="$JVM_LDFLAGS $ADDED_LDFLAGS"
550 JVM_ASFLAGS="$JVM_ASFLAGS $ADDED_CFLAGS"
551 ])
552
553 AC_DEFUN_ONCE([PLATFORM_SETUP_OPENJDK_TARGET_BITS],
554 [
555 ###############################################################################
556 #
557 # Now we check if libjvm.so will use 32 or 64 bit pointers for the C/C++ code.
558 # (The JVM can use 32 or 64 bit Java pointers but that decision
559 # is made at runtime.)
560 #
561
562 if test "x$OPENJDK_TARGET_OS" = xsolaris || test "x$OPENJDK_TARGET_OS" = xaix; then
563 # Always specify -m flag on Solaris
564 # And -q on AIX because otherwise the compiler produces 32-bit objects by default
565 PLATFORM_SET_COMPILER_TARGET_BITS_FLAGS
566 elif test "x$COMPILE_TYPE" = xreduced; then
567 if test "x$OPENJDK_TARGET_OS_TYPE" = xunix; then
568 # Specify -m if running reduced on unix platforms
569 PLATFORM_SET_COMPILER_TARGET_BITS_FLAGS
570 fi
571 fi
572 if test "x$OPENJDK_TARGET_OS" = xmacosx; then
573 JVM_CFLAGS="$JVM_CFLAGS ${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}"
574 JVM_LDFLAGS="$JVM_LDFLAGS ${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}"
575 JVM_ASFLAGS="$JVM_ASFLAGS ${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}"
576 fi
577
578 # Make compilation sanity check
579 AC_CHECK_HEADERS([stdio.h], , [
580 AC_MSG_NOTICE([Failed to compile stdio.h. This likely implies missing compile dependencies.])
581 if test "x$COMPILE_TYPE" = xreduced; then
582 HELP_MSG_MISSING_DEPENDENCY([reduced])
583 AC_MSG_NOTICE([You are doing a reduced build. Check that you have 32-bit libraries installed. $HELP_MSG])
584 elif test "x$COMPILE_TYPE" = xcross; then
585 AC_MSG_NOTICE([You are doing a cross-compilation. Check that you have all target platform libraries installed.])
586 fi
587 AC_MSG_ERROR([Cannot continue.])
588 ])
589
590 AC_CHECK_SIZEOF([int *], [1111])
591
592 # AC_CHECK_SIZEOF defines 'ac_cv_sizeof_int_p' to hold the number of bytes used by an 'int*'
593 if test "x$ac_cv_sizeof_int_p" = x; then
594 # The test failed, lets stick to the assumed value.
595 AC_MSG_WARN([The number of bits in the target could not be determined, using $OPENJDK_TARGET_CPU_BITS.])
596 else
597 TESTED_TARGET_CPU_BITS=`expr 8 \* $ac_cv_sizeof_int_p`
598
599 if test "x$TESTED_TARGET_CPU_BITS" != "x$OPENJDK_TARGET_CPU_BITS"; then
600 # This situation may happen on 64-bit platforms where the compiler by default only generates 32-bit objects
601 # Let's try to implicitely set the compilers target architecture and retry the test
602 AC_MSG_NOTICE([The tested number of bits in the target ($TESTED_TARGET_CPU_BITS) differs from the number of bits expected to be found in the target ($OPENJDK_TARGET_CPU_BITS).])
603 AC_MSG_NOTICE([Retrying with platforms compiler target bits flag to ${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}])
604 PLATFORM_SET_COMPILER_TARGET_BITS_FLAGS
605
606 # We have to unset 'ac_cv_sizeof_int_p' first, otherwise AC_CHECK_SIZEOF will use the previously cached value!
607 unset ac_cv_sizeof_int_p
608 # And we have to undef the definition of SIZEOF_INT_P in confdefs.h by the previous invocation of AC_CHECK_SIZEOF
609 cat >>confdefs.h <<_ACEOF
610 #undef SIZEOF_INT_P
611 _ACEOF
612
613 AC_CHECK_SIZEOF([int *], [1111])
614
615 TESTED_TARGET_CPU_BITS=`expr 8 \* $ac_cv_sizeof_int_p`
616
617 if test "x$TESTED_TARGET_CPU_BITS" != "x$OPENJDK_TARGET_CPU_BITS"; then
618 AC_MSG_NOTICE([The tested number of bits in the target ($TESTED_TARGET_CPU_BITS) differs from the number of bits expected to be found in the target ($OPENJDK_TARGET_CPU_BITS)])
619 if test "x$COMPILE_TYPE" = xreduced; then
620 HELP_MSG_MISSING_DEPENDENCY([reduced])
621 AC_MSG_NOTICE([You are doing a reduced build. Check that you have 32-bit libraries installed. $HELP_MSG])
622 elif test "x$COMPILE_TYPE" = xcross; then
623 AC_MSG_NOTICE([You are doing a cross-compilation. Check that you have all target platform libraries installed.])
624 fi
625 AC_MSG_ERROR([Cannot continue.])
626 fi
627 fi
628 fi
629
630 AC_MSG_CHECKING([for target address size])
631 AC_MSG_RESULT([$OPENJDK_TARGET_CPU_BITS bits])
632 ])
633
634 AC_DEFUN_ONCE([PLATFORM_SETUP_OPENJDK_TARGET_ENDIANNESS],
635 [
636 ###############################################################################
637 #
638 # Is the target little of big endian?
639 #
640 AC_C_BIGENDIAN([ENDIAN="big"],[ENDIAN="little"],[ENDIAN="unknown"],[ENDIAN="universal_endianness"])
641
642 if test "x$ENDIAN" = xuniversal_endianness; then
643 AC_MSG_ERROR([Building with both big and little endianness is not supported])
644 fi
645 if test "x$ENDIAN" != "x$OPENJDK_TARGET_CPU_ENDIAN"; then
646 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)])
647 fi
648 ])