1 #
2 # Copyright (c) 2011, 2022, 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*x32)
34 VAR_CPU=x32
35 VAR_CPU_ARCH=x86
36 VAR_CPU_BITS=32
37 VAR_CPU_ENDIAN=little
38 ;;
39 x86_64)
40 VAR_CPU=x86_64
41 VAR_CPU_ARCH=x86
42 VAR_CPU_BITS=64
43 VAR_CPU_ENDIAN=little
44 ;;
45 i?86)
46 VAR_CPU=x86
47 VAR_CPU_ARCH=x86
48 VAR_CPU_BITS=32
49 VAR_CPU_ENDIAN=little
50 ;;
51 alpha*)
52 VAR_CPU=alpha
53 VAR_CPU_ARCH=alpha
54 VAR_CPU_BITS=64
55 VAR_CPU_ENDIAN=little
56 ;;
57 arm*)
58 VAR_CPU=arm
59 VAR_CPU_ARCH=arm
60 VAR_CPU_BITS=32
61 VAR_CPU_ENDIAN=little
62 ;;
63 aarch64)
64 VAR_CPU=aarch64
65 VAR_CPU_ARCH=aarch64
66 VAR_CPU_BITS=64
67 VAR_CPU_ENDIAN=little
68 ;;
69 ia64)
70 VAR_CPU=ia64
71 VAR_CPU_ARCH=ia64
72 VAR_CPU_BITS=64
73 VAR_CPU_ENDIAN=little
74 ;;
75 loongarch64)
76 VAR_CPU=loongarch64
77 VAR_CPU_ARCH=loongarch
78 VAR_CPU_BITS=64
79 VAR_CPU_ENDIAN=little
80 ;;
81 m68k)
82 VAR_CPU=m68k
83 VAR_CPU_ARCH=m68k
84 VAR_CPU_BITS=32
85 VAR_CPU_ENDIAN=big
86 ;;
87 mips)
88 VAR_CPU=mips
89 VAR_CPU_ARCH=mips
90 VAR_CPU_BITS=32
91 VAR_CPU_ENDIAN=big
92 ;;
93 mipsel)
94 VAR_CPU=mipsel
95 VAR_CPU_ARCH=mipsel
96 VAR_CPU_BITS=32
97 VAR_CPU_ENDIAN=little
98 ;;
99 mips64)
100 VAR_CPU=mips64
101 VAR_CPU_ARCH=mips64
102 VAR_CPU_BITS=64
103 VAR_CPU_ENDIAN=big
104 ;;
105 mips64el)
106 VAR_CPU=mips64el
107 VAR_CPU_ARCH=mips64el
108 VAR_CPU_BITS=64
109 VAR_CPU_ENDIAN=little
110 ;;
111 powerpc)
112 VAR_CPU=ppc
113 VAR_CPU_ARCH=ppc
114 VAR_CPU_BITS=32
115 VAR_CPU_ENDIAN=big
116 ;;
117 powerpc64)
118 VAR_CPU=ppc64
119 VAR_CPU_ARCH=ppc
120 VAR_CPU_BITS=64
121 VAR_CPU_ENDIAN=big
122 ;;
123 powerpc64le)
124 VAR_CPU=ppc64le
125 VAR_CPU_ARCH=ppc
126 VAR_CPU_BITS=64
127 VAR_CPU_ENDIAN=little
128 ;;
129 riscv32)
130 VAR_CPU=riscv32
131 VAR_CPU_ARCH=riscv
132 VAR_CPU_BITS=32
133 VAR_CPU_ENDIAN=little
134 ;;
135 riscv64)
136 VAR_CPU=riscv64
137 VAR_CPU_ARCH=riscv
138 VAR_CPU_BITS=64
139 VAR_CPU_ENDIAN=little
140 ;;
141 s390)
142 VAR_CPU=s390
143 VAR_CPU_ARCH=s390
144 VAR_CPU_BITS=32
145 VAR_CPU_ENDIAN=big
146 ;;
147 s390x)
148 VAR_CPU=s390x
149 VAR_CPU_ARCH=s390
150 VAR_CPU_BITS=64
151 VAR_CPU_ENDIAN=big
152 ;;
153 sh*eb)
154 VAR_CPU=sh
155 VAR_CPU_ARCH=sh
156 VAR_CPU_BITS=32
157 VAR_CPU_ENDIAN=big
158 ;;
159 sh*)
160 VAR_CPU=sh
161 VAR_CPU_ARCH=sh
162 VAR_CPU_BITS=32
163 VAR_CPU_ENDIAN=little
164 ;;
165 sparc)
166 VAR_CPU=sparc
167 VAR_CPU_ARCH=sparc
168 VAR_CPU_BITS=32
169 VAR_CPU_ENDIAN=big
170 ;;
171 sparcv9|sparc64)
172 VAR_CPU=sparcv9
173 VAR_CPU_ARCH=sparc
174 VAR_CPU_BITS=64
175 VAR_CPU_ENDIAN=big
176 ;;
177 sparc)
178 VAR_CPU=sparc
179 VAR_CPU_ARCH=sparc
180 VAR_CPU_BITS=32
181 VAR_CPU_ENDIAN=big
182 ;;
183 sparcv9|sparc64)
184 VAR_CPU=sparcv9
185 VAR_CPU_ARCH=sparc
186 VAR_CPU_BITS=64
187 VAR_CPU_ENDIAN=big
188 ;;
189 *)
190 AC_MSG_ERROR([unsupported cpu $1])
191 ;;
192 esac
193 ])
194
195 # Support macro for PLATFORM_EXTRACT_TARGET_AND_BUILD.
196 # Converts autoconf style OS name to OpenJDK style, into
197 # VAR_OS, VAR_OS_TYPE and VAR_OS_ENV.
198 AC_DEFUN([PLATFORM_EXTRACT_VARS_FROM_OS],
199 [
200 case "$1" in
201 *linux*)
202 VAR_OS=linux
203 VAR_OS_TYPE=unix
204 ;;
205 *darwin*)
206 VAR_OS=macosx
207 VAR_OS_TYPE=unix
208 ;;
209 *bsd*)
210 VAR_OS=bsd
211 VAR_OS_TYPE=unix
212 ;;
213 *cygwin*)
214 VAR_OS=windows
215 VAR_OS_ENV=windows.cygwin
216 ;;
217 *wsl*)
218 VAR_OS=windows
219 VAR_OS_ENV=windows.wsl
220 ;;
221 *msys* | *mingw*)
222 VAR_OS=windows
223 VAR_OS_ENV=windows.msys2
224 ;;
225 *aix*)
226 VAR_OS=aix
227 VAR_OS_TYPE=unix
228 ;;
229 *)
230 AC_MSG_ERROR([unsupported operating system $1])
231 ;;
232 esac
233 ])
234
235 # Support macro for PLATFORM_EXTRACT_TARGET_AND_BUILD.
236 # Converts autoconf style OS name to OpenJDK style, into
237 # VAR_LIBC.
238 AC_DEFUN([PLATFORM_EXTRACT_VARS_FROM_LIBC],
239 [
240 case "$1" in
241 *linux*-musl)
242 VAR_LIBC=musl
243 ;;
244 *linux*-gnu)
245 VAR_LIBC=gnu
246 ;;
247 *)
248 VAR_LIBC=default
249 ;;
250 esac
251 ])
252
253 # Support macro for PLATFORM_EXTRACT_TARGET_AND_BUILD.
254 # Converts autoconf style OS name to OpenJDK style, into
255 # VAR_ABI.
256 AC_DEFUN([PLATFORM_EXTRACT_VARS_FROM_ABI],
257 [
258 case "$1" in
259 *linux*-musl)
260 VAR_ABI=musl
261 ;;
262 *linux*-gnu)
263 VAR_ABI=gnu
264 ;;
265 *linux*-gnueabi)
266 VAR_ABI=gnueabi
267 ;;
268 *linux*-gnueabihf)
269 VAR_ABI=gnueabihf
270 ;;
271 *linux*-gnuabi64)
272 VAR_ABI=gnuabi64
273 ;;
274 *)
275 VAR_ABI=default
276 ;;
277 esac
278 ])
279
280 # Expects $host_os $host_cpu $build_os and $build_cpu
281 # and $with_target_bits to have been setup!
282 #
283 # Translate the standard triplet(quadruplet) definition
284 # of the target/build system into OPENJDK_TARGET_OS, OPENJDK_TARGET_CPU,
285 # OPENJDK_BUILD_OS, etc.
286 AC_DEFUN([PLATFORM_EXTRACT_TARGET_AND_BUILD],
287 [
288 # Copy the autoconf trip/quadruplet verbatim to OPENJDK_TARGET_AUTOCONF_NAME
289 # (from the autoconf "host") and OPENJDK_BUILD_AUTOCONF_NAME
290 # Note that we might later on rewrite e.g. OPENJDK_TARGET_CPU due to reduced build,
291 # but this will not change the value of OPENJDK_TARGET_AUTOCONF_NAME.
292 OPENJDK_TARGET_AUTOCONF_NAME="$host"
293 OPENJDK_BUILD_AUTOCONF_NAME="$build"
294 AC_SUBST(OPENJDK_TARGET_AUTOCONF_NAME)
295 AC_SUBST(OPENJDK_BUILD_AUTOCONF_NAME)
296
297 # Convert the autoconf OS/CPU value to our own data, into the VAR_OS/CPU/LIBC variables.
298 PLATFORM_EXTRACT_VARS_FROM_OS($build_os)
299 PLATFORM_EXTRACT_VARS_FROM_CPU($build_cpu)
300 PLATFORM_EXTRACT_VARS_FROM_LIBC($build_os)
301 PLATFORM_EXTRACT_VARS_FROM_ABI($build_os)
302 # ..and setup our own variables. (Do this explicitly to facilitate searching)
303 OPENJDK_BUILD_OS="$VAR_OS"
304 if test "x$VAR_OS_TYPE" != x; then
305 OPENJDK_BUILD_OS_TYPE="$VAR_OS_TYPE"
306 else
307 OPENJDK_BUILD_OS_TYPE="$VAR_OS"
308 fi
309 if test "x$VAR_OS_ENV" != x; then
310 OPENJDK_BUILD_OS_ENV="$VAR_OS_ENV"
311 else
312 OPENJDK_BUILD_OS_ENV="$VAR_OS"
313 fi
314 OPENJDK_BUILD_CPU="$VAR_CPU"
315 OPENJDK_BUILD_CPU_ARCH="$VAR_CPU_ARCH"
316 OPENJDK_BUILD_CPU_BITS="$VAR_CPU_BITS"
317 OPENJDK_BUILD_CPU_ENDIAN="$VAR_CPU_ENDIAN"
318 OPENJDK_BUILD_CPU_AUTOCONF="$build_cpu"
319 OPENJDK_BUILD_LIBC="$VAR_LIBC"
320 OPENJDK_BUILD_ABI="$VAR_ABI"
321 AC_SUBST(OPENJDK_BUILD_OS)
322 AC_SUBST(OPENJDK_BUILD_OS_TYPE)
323 AC_SUBST(OPENJDK_BUILD_OS_ENV)
324 AC_SUBST(OPENJDK_BUILD_CPU)
325 AC_SUBST(OPENJDK_BUILD_CPU_ARCH)
326 AC_SUBST(OPENJDK_BUILD_CPU_BITS)
327 AC_SUBST(OPENJDK_BUILD_CPU_ENDIAN)
328 AC_SUBST(OPENJDK_BUILD_CPU_AUTOCONF)
329 AC_SUBST(OPENJDK_BUILD_LIBC)
330 AC_SUBST(OPENJDK_BUILD_ABI)
331
332 AC_MSG_CHECKING([openjdk-build os-cpu])
333 AC_MSG_RESULT([$OPENJDK_BUILD_OS-$OPENJDK_BUILD_CPU])
334
335 if test "x$OPENJDK_BUILD_OS" = "xlinux"; then
336 AC_MSG_CHECKING([openjdk-build C library])
337 AC_MSG_RESULT([$OPENJDK_BUILD_LIBC])
338 fi
339
340 # Convert the autoconf OS/CPU value to our own data, into the VAR_OS/CPU/LIBC variables.
341 PLATFORM_EXTRACT_VARS_FROM_OS($host_os)
342 PLATFORM_EXTRACT_VARS_FROM_CPU($host_cpu)
343 PLATFORM_EXTRACT_VARS_FROM_LIBC($host_os)
344 PLATFORM_EXTRACT_VARS_FROM_ABI($host_os)
345 # ... and setup our own variables. (Do this explicitly to facilitate searching)
346 OPENJDK_TARGET_OS="$VAR_OS"
347 if test "x$VAR_OS_TYPE" != x; then
348 OPENJDK_TARGET_OS_TYPE="$VAR_OS_TYPE"
349 else
350 OPENJDK_TARGET_OS_TYPE="$VAR_OS"
351 fi
352 if test "x$VAR_OS_ENV" != x; then
353 OPENJDK_TARGET_OS_ENV="$VAR_OS_ENV"
354 else
355 OPENJDK_TARGET_OS_ENV="$VAR_OS"
356 fi
357 OPENJDK_TARGET_CPU="$VAR_CPU"
358 OPENJDK_TARGET_CPU_ARCH="$VAR_CPU_ARCH"
359 OPENJDK_TARGET_CPU_BITS="$VAR_CPU_BITS"
360 OPENJDK_TARGET_CPU_ENDIAN="$VAR_CPU_ENDIAN"
361 OPENJDK_TARGET_CPU_AUTOCONF="$host_cpu"
362 OPENJDK_TARGET_OS_UPPERCASE=`$ECHO $OPENJDK_TARGET_OS | $TR 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
363 OPENJDK_TARGET_LIBC="$VAR_LIBC"
364 OPENJDK_TARGET_ABI="$VAR_ABI"
365
366 AC_SUBST(OPENJDK_TARGET_OS)
367 AC_SUBST(OPENJDK_TARGET_OS_TYPE)
368 AC_SUBST(OPENJDK_TARGET_OS_ENV)
369 AC_SUBST(OPENJDK_TARGET_OS_UPPERCASE)
370 AC_SUBST(OPENJDK_TARGET_CPU)
371 AC_SUBST(OPENJDK_TARGET_CPU_ARCH)
372 AC_SUBST(OPENJDK_TARGET_CPU_BITS)
373 AC_SUBST(OPENJDK_TARGET_CPU_ENDIAN)
374 AC_SUBST(OPENJDK_TARGET_CPU_AUTOCONF)
375 AC_SUBST(OPENJDK_TARGET_LIBC)
376 AC_SUBST(OPENJDK_TARGET_ABI)
377
378 AC_MSG_CHECKING([openjdk-target os-cpu])
379 AC_MSG_RESULT([$OPENJDK_TARGET_OS-$OPENJDK_TARGET_CPU])
380
381 if test "x$OPENJDK_TARGET_OS" = "xlinux"; then
382 AC_MSG_CHECKING([openjdk-target C library])
383 AC_MSG_RESULT([$OPENJDK_TARGET_LIBC])
384 fi
385 ])
386
387 # Check if a reduced build (32-bit on 64-bit platforms) is requested, and modify behavior
388 # accordingly. Must be done after setting up build and target system, but before
389 # doing anything else with these values.
390 AC_DEFUN([PLATFORM_SETUP_TARGET_CPU_BITS],
391 [
392 AC_ARG_WITH(target-bits, [AS_HELP_STRING([--with-target-bits],
393 [build 32-bit or 64-bit binaries (for platforms that support it), e.g. --with-target-bits=32 @<:@guessed@:>@])])
394
395 # We have three types of compiles:
396 # native == normal compilation, target system == build system
397 # cross == traditional cross compilation, target system != build system; special toolchain needed
398 # reduced == using native compilers, but with special flags (e.g. -m32) to produce 32-bit builds on 64-bit machines
399 #
400 if test "x$OPENJDK_BUILD_AUTOCONF_NAME" != "x$OPENJDK_TARGET_AUTOCONF_NAME"; then
401 # We're doing a proper cross-compilation
402 COMPILE_TYPE="cross"
403 else
404 COMPILE_TYPE="native"
405 fi
406
407 if test "x$with_target_bits" != x; then
408 if test "x$COMPILE_TYPE" = "xcross"; then
409 AC_MSG_ERROR([It is not possible to combine --with-target-bits=X and proper cross-compilation. Choose either.])
410 fi
411
412 if test "x$with_target_bits" = x32 && test "x$OPENJDK_TARGET_CPU_BITS" = x64; then
413 # A reduced build is requested
414 COMPILE_TYPE="reduced"
415 OPENJDK_TARGET_CPU_BITS=32
416 if test "x$OPENJDK_TARGET_CPU_ARCH" = "xx86"; then
417 OPENJDK_TARGET_CPU=x86
418 elif test "x$OPENJDK_TARGET_CPU_ARCH" = "xsparc"; then
419 OPENJDK_TARGET_CPU=sparc
420 else
421 AC_MSG_ERROR([Reduced build (--with-target-bits=32) is only supported on x86_64 and sparcv9])
422 fi
423 elif test "x$with_target_bits" = x64 && test "x$OPENJDK_TARGET_CPU_BITS" = x32; then
424 AC_MSG_ERROR([It is not possible to use --with-target-bits=64 on a 32 bit system. Use proper cross-compilation instead.])
425 elif test "x$with_target_bits" = "x$OPENJDK_TARGET_CPU_BITS"; then
426 AC_MSG_NOTICE([--with-target-bits are set to build platform address size; argument has no meaning])
427 else
428 AC_MSG_ERROR([--with-target-bits can only be 32 or 64, you specified $with_target_bits!])
429 fi
430 fi
431 AC_SUBST(COMPILE_TYPE)
432
433 AC_MSG_CHECKING([compilation type])
434 AC_MSG_RESULT([$COMPILE_TYPE])
435 ])
436
437 # Setup the legacy variables, for controlling the old makefiles.
438 #
439 AC_DEFUN([PLATFORM_SETUP_LEGACY_VARS],
440 [
441 PLATFORM_SETUP_LEGACY_VARS_HELPER([TARGET])
442 PLATFORM_SETUP_LEGACY_VARS_HELPER([BUILD])
443 ])
444
445 # $1 - Either TARGET or BUILD to setup the variables for.
446 AC_DEFUN([PLATFORM_SETUP_LEGACY_VARS_HELPER],
447 [
448 # Also store the legacy naming of the cpu.
449 # Ie i586 and amd64 instead of x86 and x86_64
450 OPENJDK_$1_CPU_LEGACY="$OPENJDK_$1_CPU"
451 if test "x$OPENJDK_$1_CPU" = xx86; then
452 OPENJDK_$1_CPU_LEGACY="i586"
453 elif test "x$OPENJDK_$1_OS" != xmacosx && test "x$OPENJDK_$1_CPU" = xx86_64; then
454 # On all platforms except MacOSX replace x86_64 with amd64.
455 OPENJDK_$1_CPU_LEGACY="amd64"
456 elif test "x$OPENJDK_$1_CPU" = xalpha; then
457 # Avoid name collisions with variables named alpha
458 OPENJDK_$1_CPU_LEGACY="_alpha_"
459 elif test "x$OPENJDK_$1_CPU" = xsh; then
460 # Avoid name collisions with variables named sh
461 OPENJDK_$1_CPU_LEGACY="_sh_"
462 fi
463 AC_SUBST(OPENJDK_$1_CPU_LEGACY)
464
465 # And the second legacy naming of the cpu.
466 # Ie i386 and amd64 instead of x86 and x86_64.
467 OPENJDK_$1_CPU_LEGACY_LIB="$OPENJDK_$1_CPU"
468 if test "x$OPENJDK_$1_CPU" = xx86; then
469 OPENJDK_$1_CPU_LEGACY_LIB="i386"
470 elif test "x$OPENJDK_$1_CPU" = xx86_64; then
471 OPENJDK_$1_CPU_LEGACY_LIB="amd64"
472 fi
473 AC_SUBST(OPENJDK_$1_CPU_LEGACY_LIB)
474
475 # Setup OPENJDK_$1_CPU_OSARCH, which is used to set the os.arch Java system property
476 OPENJDK_$1_CPU_OSARCH="$OPENJDK_$1_CPU"
477 if test "x$OPENJDK_$1_OS" = xlinux && test "x$OPENJDK_$1_CPU" = xx86; then
478 # On linux only, we replace x86 with i386.
479 OPENJDK_$1_CPU_OSARCH="i386"
480 elif test "x$OPENJDK_$1_OS" != xmacosx && test "x$OPENJDK_$1_CPU" = xx86_64; then
481 # On all platforms except macosx, we replace x86_64 with amd64.
482 OPENJDK_$1_CPU_OSARCH="amd64"
483 fi
484 AC_SUBST(OPENJDK_$1_CPU_OSARCH)
485
486 OPENJDK_$1_CPU_JLI="$OPENJDK_$1_CPU"
487 if test "x$OPENJDK_$1_CPU" = xx86; then
488 OPENJDK_$1_CPU_JLI="i386"
489 elif test "x$OPENJDK_$1_OS" != xmacosx && test "x$OPENJDK_$1_CPU" = xx86_64; then
490 # On all platforms except macosx, we replace x86_64 with amd64.
491 OPENJDK_$1_CPU_JLI="amd64"
492 fi
493
494 # The new version string in JDK 9 also defined new naming of OS and ARCH for bundles
495 # The macOS bundle name was revised in JDK 17
496 #
497 # macosx is macos and x86_64 is x64
498 if test "x$OPENJDK_$1_OS" = xmacosx; then
499 OPENJDK_$1_OS_BUNDLE="macos"
500 else
501 OPENJDK_$1_OS_BUNDLE="$OPENJDK_TARGET_OS"
502 fi
503 if test "x$OPENJDK_$1_CPU" = xx86_64; then
504 OPENJDK_$1_CPU_BUNDLE="x64"
505 else
506 OPENJDK_$1_CPU_BUNDLE="$OPENJDK_$1_CPU"
507 fi
508
509 OPENJDK_$1_LIBC_BUNDLE=""
510 if test "x$OPENJDK_$1_LIBC" = "xmusl"; then
511 OPENJDK_$1_LIBC_BUNDLE="-$OPENJDK_$1_LIBC"
512 fi
513
514 OPENJDK_$1_BUNDLE_PLATFORM="${OPENJDK_$1_OS_BUNDLE}-${OPENJDK_$1_CPU_BUNDLE}${OPENJDK_$1_LIBC_BUNDLE}"
515 AC_SUBST(OPENJDK_$1_BUNDLE_PLATFORM)
516
517 if test "x$COMPILE_TYPE" = "xcross"; then
518 # FIXME: ... or should this include reduced builds..?
519 DEFINE_CROSS_COMPILE_ARCH="CROSS_COMPILE_ARCH:=$OPENJDK_$1_CPU_LEGACY"
520 else
521 DEFINE_CROSS_COMPILE_ARCH=""
522 fi
523 AC_SUBST(DEFINE_CROSS_COMPILE_ARCH)
524
525 # Convert openjdk platform names to hotspot names
526
527 HOTSPOT_$1_OS=${OPENJDK_$1_OS}
528 if test "x$OPENJDK_$1_OS" = xmacosx; then
529 HOTSPOT_$1_OS=bsd
530 fi
531 AC_SUBST(HOTSPOT_$1_OS)
532
533 HOTSPOT_$1_OS_TYPE=${OPENJDK_$1_OS_TYPE}
534 if test "x$OPENJDK_$1_OS_TYPE" = xunix; then
535 HOTSPOT_$1_OS_TYPE=posix
536 fi
537 AC_SUBST(HOTSPOT_$1_OS_TYPE)
538
539 HOTSPOT_$1_CPU=${OPENJDK_$1_CPU}
540 if test "x$OPENJDK_$1_CPU" = xx86; then
541 HOTSPOT_$1_CPU=x86_32
542 elif test "x$OPENJDK_$1_CPU" = xsparcv9; then
543 HOTSPOT_$1_CPU=sparc
544 elif test "x$OPENJDK_$1_CPU" = xppc64; then
545 HOTSPOT_$1_CPU=ppc_64
546 elif test "x$OPENJDK_$1_CPU" = xppc64le; then
547 HOTSPOT_$1_CPU=ppc_64
548 fi
549 AC_SUBST(HOTSPOT_$1_CPU)
550
551 # This is identical with OPENJDK_*, but define anyway for consistency.
552 HOTSPOT_$1_CPU_ARCH=${OPENJDK_$1_CPU_ARCH}
553 AC_SUBST(HOTSPOT_$1_CPU_ARCH)
554
555 # Setup HOTSPOT_$1_CPU_DEFINE
556 if test "x$OPENJDK_$1_CPU" = xx86; then
557 HOTSPOT_$1_CPU_DEFINE=IA32
558 elif test "x$OPENJDK_$1_CPU" = xx86_64; then
559 HOTSPOT_$1_CPU_DEFINE=AMD64
560 elif test "x$OPENJDK_$1_CPU" = xx32; then
561 HOTSPOT_$1_CPU_DEFINE=X32
562 elif test "x$OPENJDK_$1_CPU" = xsparcv9; then
563 HOTSPOT_$1_CPU_DEFINE=SPARC
564 elif test "x$OPENJDK_$1_CPU" = xaarch64; then
565 HOTSPOT_$1_CPU_DEFINE=AARCH64
566 elif test "x$OPENJDK_$1_CPU" = xppc64; then
567 HOTSPOT_$1_CPU_DEFINE=PPC64
568 elif test "x$OPENJDK_$1_CPU" = xppc64le; then
569 HOTSPOT_$1_CPU_DEFINE=PPC64
570 elif test "x$OPENJDK_$1_CPU" = xriscv32; then
571 HOTSPOT_$1_CPU_DEFINE=RISCV32
572 elif test "x$OPENJDK_$1_CPU" = xriscv64; then
573 HOTSPOT_$1_CPU_DEFINE=RISCV64
574
575 # The cpu defines below are for zero, we don't support them directly.
576 elif test "x$OPENJDK_$1_CPU" = xsparc; then
577 HOTSPOT_$1_CPU_DEFINE=SPARC
578 elif test "x$OPENJDK_$1_CPU" = xppc; then
579 HOTSPOT_$1_CPU_DEFINE=PPC32
580 elif test "x$OPENJDK_$1_CPU" = xs390; then
581 HOTSPOT_$1_CPU_DEFINE=S390
582 elif test "x$OPENJDK_$1_CPU" = xs390x; then
583 HOTSPOT_$1_CPU_DEFINE=S390
584 elif test "x$OPENJDK_$1_CPU" != x; then
585 HOTSPOT_$1_CPU_DEFINE=$(echo $OPENJDK_$1_CPU | tr a-z A-Z)
586 fi
587 AC_SUBST(HOTSPOT_$1_CPU_DEFINE)
588
589 HOTSPOT_$1_LIBC=$OPENJDK_$1_LIBC
590 AC_SUBST(HOTSPOT_$1_LIBC)
591
592 # For historical reasons, the OS include directories have odd names.
593 OPENJDK_$1_OS_INCLUDE_SUBDIR="$OPENJDK_TARGET_OS"
594 if test "x$OPENJDK_TARGET_OS" = "xwindows"; then
595 OPENJDK_$1_OS_INCLUDE_SUBDIR="win32"
596 elif test "x$OPENJDK_TARGET_OS" = "xmacosx"; then
597 OPENJDK_$1_OS_INCLUDE_SUBDIR="darwin"
598 fi
599 AC_SUBST(OPENJDK_$1_OS_INCLUDE_SUBDIR)
600 ])
601
602 AC_DEFUN([PLATFORM_SET_RELEASE_FILE_OS_VALUES],
603 [
604 if test "x$OPENJDK_TARGET_OS" = "xlinux"; then
605 RELEASE_FILE_OS_NAME=Linux
606 fi
607 if test "x$OPENJDK_TARGET_OS" = "xwindows"; then
608 RELEASE_FILE_OS_NAME=Windows
609 fi
610 if test "x$OPENJDK_TARGET_OS" = xmacosx; then
611 RELEASE_FILE_OS_NAME="Darwin"
612 fi
613 if test "x$OPENJDK_TARGET_OS" = "xaix"; then
614 RELEASE_FILE_OS_NAME="AIX"
615 fi
616 RELEASE_FILE_OS_ARCH=${OPENJDK_TARGET_CPU}
617 RELEASE_FILE_LIBC=${OPENJDK_TARGET_LIBC}
618
619 AC_SUBST(RELEASE_FILE_OS_NAME)
620 AC_SUBST(RELEASE_FILE_OS_ARCH)
621 AC_SUBST(RELEASE_FILE_LIBC)
622 ])
623
624 AC_DEFUN([PLATFORM_SET_MODULE_TARGET_OS_VALUES],
625 [
626 if test "x$OPENJDK_TARGET_OS" = xmacosx; then
627 OPENJDK_MODULE_TARGET_OS_NAME="macos"
628 else
629 OPENJDK_MODULE_TARGET_OS_NAME="$OPENJDK_TARGET_OS"
630 fi
631
632 if test "x$OPENJDK_TARGET_CPU" = xx86_64; then
633 OPENJDK_MODULE_TARGET_OS_ARCH="amd64"
634 else
635 OPENJDK_MODULE_TARGET_OS_ARCH="$OPENJDK_TARGET_CPU"
636 fi
637
638 OPENJDK_MODULE_TARGET_PLATFORM="${OPENJDK_MODULE_TARGET_OS_NAME}-${OPENJDK_MODULE_TARGET_OS_ARCH}"
639 AC_SUBST(OPENJDK_MODULE_TARGET_PLATFORM)
640 ])
641
642 #%%% Build and target systems %%%
643 AC_DEFUN_ONCE([PLATFORM_SETUP_OPENJDK_BUILD_AND_TARGET],
644 [
645 # Figure out the build and target systems. # Note that in autoconf terminology, "build" is obvious, but "target"
646 # is confusing; it assumes you are cross-compiling a cross-compiler (!) and "target" is thus the target of the
647 # product you're building. The target of this build is called "host". Since this is confusing to most people, we
648 # have not adopted that system, but use "target" as the platform we are building for. In some places though we need
649 # to use the configure naming style.
650 AC_CANONICAL_BUILD
651 AC_CANONICAL_HOST
652 AC_CANONICAL_TARGET
653
654 PLATFORM_EXTRACT_TARGET_AND_BUILD
655 PLATFORM_SETUP_TARGET_CPU_BITS
656 PLATFORM_SET_MODULE_TARGET_OS_VALUES
657 PLATFORM_SET_RELEASE_FILE_OS_VALUES
658 PLATFORM_SETUP_LEGACY_VARS
659 ])
660
661 AC_DEFUN_ONCE([PLATFORM_SETUP_OPENJDK_BUILD_OS_VERSION],
662 [
663 ###############################################################################
664
665 # Note that this is the build platform OS version!
666
667 OS_VERSION="`uname -r | ${SED} 's!\.! !g' | ${SED} 's!-! !g'`"
668 OS_VERSION_MAJOR="`${ECHO} ${OS_VERSION} | ${CUT} -f 1 -d ' '`"
669 OS_VERSION_MINOR="`${ECHO} ${OS_VERSION} | ${CUT} -f 2 -d ' '`"
670 OS_VERSION_MICRO="`${ECHO} ${OS_VERSION} | ${CUT} -f 3 -d ' '`"
671 AC_SUBST(OS_VERSION_MAJOR)
672 AC_SUBST(OS_VERSION_MINOR)
673 AC_SUBST(OS_VERSION_MICRO)
674 ])
675
676 AC_DEFUN_ONCE([PLATFORM_SETUP_OPENJDK_TARGET_BITS],
677 [
678 ###############################################################################
679 #
680 # Now we check if libjvm.so will use 32 or 64 bit pointers for the C/C++ code.
681 # (The JVM can use 32 or 64 bit Java pointers but that decision
682 # is made at runtime.)
683 #
684
685 # Make compilation sanity check
686 AC_CHECK_HEADERS([stdio.h], , [
687 AC_MSG_NOTICE([Failed to compile stdio.h. This likely implies missing compile dependencies.])
688 if test "x$COMPILE_TYPE" = xreduced; then
689 HELP_MSG_MISSING_DEPENDENCY([reduced])
690 AC_MSG_NOTICE([You are doing a reduced build. Check that you have 32-bit libraries installed. $HELP_MSG])
691 elif test "x$COMPILE_TYPE" = xcross; then
692 AC_MSG_NOTICE([You are doing a cross-compilation. Check that you have all target platform libraries installed.])
693 fi
694 AC_MSG_ERROR([Cannot continue.])
695 ])
696
697 AC_CHECK_SIZEOF([int *], [1111])
698
699 # AC_CHECK_SIZEOF defines 'ac_cv_sizeof_int_p' to hold the number of bytes used by an 'int*'
700 if test "x$ac_cv_sizeof_int_p" = x; then
701 # The test failed, lets stick to the assumed value.
702 AC_MSG_WARN([The number of bits in the target could not be determined, using $OPENJDK_TARGET_CPU_BITS.])
703 else
704 TESTED_TARGET_CPU_BITS=`expr 8 \* $ac_cv_sizeof_int_p`
705
706 if test "x$TESTED_TARGET_CPU_BITS" != "x$OPENJDK_TARGET_CPU_BITS"; then
707 AC_MSG_NOTICE([The tested number of bits in the target ($TESTED_TARGET_CPU_BITS) differs from the number of bits expected to be found in the target ($OPENJDK_TARGET_CPU_BITS)])
708 if test "x$COMPILE_TYPE" = xreduced; then
709 HELP_MSG_MISSING_DEPENDENCY([reduced])
710 AC_MSG_NOTICE([You are doing a reduced build. Check that you have 32-bit libraries installed. $HELP_MSG])
711 elif test "x$COMPILE_TYPE" = xcross; then
712 AC_MSG_NOTICE([You are doing a cross-compilation. Check that you have all target platform libraries installed.])
713 fi
714 AC_MSG_ERROR([Cannot continue.])
715 fi
716 fi
717
718 AC_MSG_CHECKING([for target address size])
719 AC_MSG_RESULT([$OPENJDK_TARGET_CPU_BITS bits])
720 ])
721
722 AC_DEFUN_ONCE([PLATFORM_SETUP_OPENJDK_TARGET_ENDIANNESS],
723 [
724 ###############################################################################
725 #
726 # Is the target little of big endian?
727 #
728 AC_C_BIGENDIAN([ENDIAN="big"],[ENDIAN="little"],[ENDIAN="unknown"],[ENDIAN="universal_endianness"])
729
730 if test "x$ENDIAN" = xuniversal_endianness; then
731 AC_MSG_ERROR([Building with both big and little endianness is not supported])
732 fi
733 if test "x$ENDIAN" != "x$OPENJDK_TARGET_CPU_ENDIAN"; then
734 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)])
735 fi
736 ])