platform.m4 revision 2784:30a5133acb6b
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.
29AC_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    alpha*)
46      VAR_CPU=alpha
47      VAR_CPU_ARCH=alpha
48      VAR_CPU_BITS=64
49      VAR_CPU_ENDIAN=little
50      ;;
51    arm*)
52      VAR_CPU=arm
53      VAR_CPU_ARCH=arm
54      VAR_CPU_BITS=32
55      VAR_CPU_ENDIAN=little
56      ;;
57    aarch64)
58      VAR_CPU=aarch64
59      VAR_CPU_ARCH=aarch64
60      VAR_CPU_BITS=64
61      VAR_CPU_ENDIAN=little
62      ;;
63    m68k)
64      VAR_CPU=m68k
65      VAR_CPU_ARCH=m68k
66      VAR_CPU_BITS=32
67      VAR_CPU_ENDIAN=big
68      ;;
69    mips)
70      VAR_CPU=mips
71      VAR_CPU_ARCH=mips
72      VAR_CPU_BITS=32
73      VAR_CPU_ENDIAN=big
74      ;;
75    mipsel)
76      VAR_CPU=mipsel
77      VAR_CPU_ARCH=mipsel
78      VAR_CPU_BITS=32
79      VAR_CPU_ENDIAN=little
80      ;;
81    mips64)
82      VAR_CPU=mips64
83      VAR_CPU_ARCH=mips64
84      VAR_CPU_BITS=64
85      VAR_CPU_ENDIAN=big
86      ;;
87    mips64el)
88      VAR_CPU=mips64el
89      VAR_CPU_ARCH=mips64el
90      VAR_CPU_BITS=64
91      VAR_CPU_ENDIAN=little
92      ;;
93    powerpc)
94      VAR_CPU=ppc
95      VAR_CPU_ARCH=ppc
96      VAR_CPU_BITS=32
97      VAR_CPU_ENDIAN=big
98      ;;
99    powerpc64)
100      VAR_CPU=ppc64
101      VAR_CPU_ARCH=ppc
102      VAR_CPU_BITS=64
103      VAR_CPU_ENDIAN=big
104      ;;
105    powerpc64le)
106      VAR_CPU=ppc64le
107      VAR_CPU_ARCH=ppc
108      VAR_CPU_BITS=64
109      VAR_CPU_ENDIAN=little
110      ;;
111    s390)
112      VAR_CPU=s390
113      VAR_CPU_ARCH=s390
114      VAR_CPU_BITS=32
115      VAR_CPU_ENDIAN=big
116      ;;
117    s390x)
118      VAR_CPU=s390x
119      VAR_CPU_ARCH=s390
120      VAR_CPU_BITS=64
121      VAR_CPU_ENDIAN=big
122      ;;
123    sh*eb)
124      VAR_CPU=sh
125      VAR_CPU_ARCH=sh
126      VAR_CPU_BITS=32
127      VAR_CPU_ENDIAN=big
128      ;;
129    sh*)
130      VAR_CPU=sh
131      VAR_CPU_ARCH=sh
132      VAR_CPU_BITS=32
133      VAR_CPU_ENDIAN=little
134      ;;
135    sparc)
136      VAR_CPU=sparc
137      VAR_CPU_ARCH=sparc
138      VAR_CPU_BITS=32
139      VAR_CPU_ENDIAN=big
140      ;;
141    sparcv9|sparc64)
142      VAR_CPU=sparcv9
143      VAR_CPU_ARCH=sparc
144      VAR_CPU_BITS=64
145      VAR_CPU_ENDIAN=big
146      ;;
147    *)
148      AC_MSG_ERROR([unsupported cpu $1])
149      ;;
150  esac
151])
152
153# Support macro for PLATFORM_EXTRACT_TARGET_AND_BUILD.
154# Converts autoconf style OS name to OpenJDK style, into
155# VAR_OS, VAR_OS_TYPE and VAR_OS_ENV.
156AC_DEFUN([PLATFORM_EXTRACT_VARS_FROM_OS],
157[
158  case "$1" in
159    *linux*)
160      VAR_OS=linux
161      VAR_OS_TYPE=unix
162      ;;
163    *solaris*)
164      VAR_OS=solaris
165      VAR_OS_TYPE=unix
166      ;;
167    *darwin*)
168      VAR_OS=macosx
169      VAR_OS_TYPE=unix
170      ;;
171    *bsd*)
172      VAR_OS=bsd
173      VAR_OS_TYPE=unix
174      ;;
175    *cygwin*)
176      VAR_OS=windows
177      VAR_OS_ENV=windows.cygwin
178      ;;
179    *mingw*)
180      VAR_OS=windows
181      VAR_OS_ENV=windows.msys
182      ;;
183    *aix*)
184      VAR_OS=aix
185      VAR_OS_TYPE=unix
186      ;;
187    *)
188      AC_MSG_ERROR([unsupported operating system $1])
189      ;;
190  esac
191])
192
193# Expects $host_os $host_cpu $build_os and $build_cpu
194# and $with_target_bits to have been setup!
195#
196# Translate the standard triplet(quadruplet) definition
197# of the target/build system into OPENJDK_TARGET_OS, OPENJDK_TARGET_CPU,
198# OPENJDK_BUILD_OS, etc.
199AC_DEFUN([PLATFORM_EXTRACT_TARGET_AND_BUILD],
200[
201  # Copy the autoconf trip/quadruplet verbatim to OPENJDK_TARGET_AUTOCONF_NAME
202  # (from the autoconf "host") and OPENJDK_BUILD_AUTOCONF_NAME
203  # Note that we might later on rewrite e.g. OPENJDK_TARGET_CPU due to reduced build,
204  # but this will not change the value of OPENJDK_TARGET_AUTOCONF_NAME.
205  OPENJDK_TARGET_AUTOCONF_NAME="$host"
206  OPENJDK_BUILD_AUTOCONF_NAME="$build"
207  AC_SUBST(OPENJDK_TARGET_AUTOCONF_NAME)
208  AC_SUBST(OPENJDK_BUILD_AUTOCONF_NAME)
209
210  # Convert the autoconf OS/CPU value to our own data, into the VAR_OS/CPU variables.
211  PLATFORM_EXTRACT_VARS_FROM_OS($build_os)
212  PLATFORM_EXTRACT_VARS_FROM_CPU($build_cpu)
213  # ..and setup our own variables. (Do this explicitly to facilitate searching)
214  OPENJDK_BUILD_OS="$VAR_OS"
215  if test "x$VAR_OS_TYPE" != x; then
216    OPENJDK_BUILD_OS_TYPE="$VAR_OS_TYPE"
217  else
218    OPENJDK_BUILD_OS_TYPE="$VAR_OS"
219  fi
220  if test "x$VAR_OS_ENV" != x; then
221    OPENJDK_BUILD_OS_ENV="$VAR_OS_ENV"
222  else
223    OPENJDK_BUILD_OS_ENV="$VAR_OS"
224  fi
225  OPENJDK_BUILD_CPU="$VAR_CPU"
226  OPENJDK_BUILD_CPU_ARCH="$VAR_CPU_ARCH"
227  OPENJDK_BUILD_CPU_BITS="$VAR_CPU_BITS"
228  OPENJDK_BUILD_CPU_ENDIAN="$VAR_CPU_ENDIAN"
229  AC_SUBST(OPENJDK_BUILD_OS)
230  AC_SUBST(OPENJDK_BUILD_OS_TYPE)
231  AC_SUBST(OPENJDK_BUILD_OS_ENV)
232  AC_SUBST(OPENJDK_BUILD_CPU)
233  AC_SUBST(OPENJDK_BUILD_CPU_ARCH)
234  AC_SUBST(OPENJDK_BUILD_CPU_BITS)
235  AC_SUBST(OPENJDK_BUILD_CPU_ENDIAN)
236
237  AC_MSG_CHECKING([openjdk-build os-cpu])
238  AC_MSG_RESULT([$OPENJDK_BUILD_OS-$OPENJDK_BUILD_CPU])
239
240  # Convert the autoconf OS/CPU value to our own data, into the VAR_OS/CPU variables.
241  PLATFORM_EXTRACT_VARS_FROM_OS($host_os)
242  PLATFORM_EXTRACT_VARS_FROM_CPU($host_cpu)
243  # ... and setup our own variables. (Do this explicitly to facilitate searching)
244  OPENJDK_TARGET_OS="$VAR_OS"
245  if test "x$VAR_OS_TYPE" != x; then
246    OPENJDK_TARGET_OS_TYPE="$VAR_OS_TYPE"
247  else
248    OPENJDK_TARGET_OS_TYPE="$VAR_OS"
249  fi
250  if test "x$VAR_OS_ENV" != x; then
251    OPENJDK_TARGET_OS_ENV="$VAR_OS_ENV"
252  else
253    OPENJDK_TARGET_OS_ENV="$VAR_OS"
254  fi
255  OPENJDK_TARGET_CPU="$VAR_CPU"
256  OPENJDK_TARGET_CPU_ARCH="$VAR_CPU_ARCH"
257  OPENJDK_TARGET_CPU_BITS="$VAR_CPU_BITS"
258  OPENJDK_TARGET_CPU_ENDIAN="$VAR_CPU_ENDIAN"
259  AC_SUBST(OPENJDK_TARGET_OS)
260  AC_SUBST(OPENJDK_TARGET_OS_TYPE)
261  AC_SUBST(OPENJDK_TARGET_OS_ENV)
262  AC_SUBST(OPENJDK_TARGET_CPU)
263  AC_SUBST(OPENJDK_TARGET_CPU_ARCH)
264  AC_SUBST(OPENJDK_TARGET_CPU_BITS)
265  AC_SUBST(OPENJDK_TARGET_CPU_ENDIAN)
266
267  AC_MSG_CHECKING([openjdk-target os-cpu])
268  AC_MSG_RESULT([$OPENJDK_TARGET_OS-$OPENJDK_TARGET_CPU])
269])
270
271# Check if a reduced build (32-bit on 64-bit platforms) is requested, and modify behaviour
272# accordingly. Must be done after setting up build and target system, but before
273# doing anything else with these values.
274AC_DEFUN([PLATFORM_SETUP_TARGET_CPU_BITS],
275[
276  AC_ARG_WITH(target-bits, [AS_HELP_STRING([--with-target-bits],
277       [build 32-bit or 64-bit binaries (for platforms that support it), e.g. --with-target-bits=32 @<:@guessed@:>@])])
278
279  # We have three types of compiles:
280  # native  == normal compilation, target system == build system
281  # cross   == traditional cross compilation, target system != build system; special toolchain needed
282  # reduced == using native compilers, but with special flags (e.g. -m32) to produce 32-bit builds on 64-bit machines
283  #
284  if test "x$OPENJDK_BUILD_AUTOCONF_NAME" != "x$OPENJDK_TARGET_AUTOCONF_NAME"; then
285    # We're doing a proper cross-compilation
286    COMPILE_TYPE="cross"
287  else
288    COMPILE_TYPE="native"
289  fi
290
291  if test "x$with_target_bits" != x; then
292    if test "x$COMPILE_TYPE" = "xcross"; then
293      AC_MSG_ERROR([It is not possible to combine --with-target-bits=X and proper cross-compilation. Choose either.])
294    fi
295
296    if test "x$with_target_bits" = x32 && test "x$OPENJDK_TARGET_CPU_BITS" = x64; then
297      # A reduced build is requested
298      COMPILE_TYPE="reduced"
299      OPENJDK_TARGET_CPU_BITS=32
300      if test "x$OPENJDK_TARGET_CPU_ARCH" = "xx86"; then
301        OPENJDK_TARGET_CPU=x86
302      elif test "x$OPENJDK_TARGET_CPU_ARCH" = "xsparc"; then
303        OPENJDK_TARGET_CPU=sparc
304      else
305        AC_MSG_ERROR([Reduced build (--with-target-bits=32) is only supported on x86_64 and sparcv9])
306      fi
307    elif test "x$with_target_bits" = x64 && test "x$OPENJDK_TARGET_CPU_BITS" = x32; then
308      AC_MSG_ERROR([It is not possible to use --with-target-bits=64 on a 32 bit system. Use proper cross-compilation instead.])
309    elif test "x$with_target_bits" = "x$OPENJDK_TARGET_CPU_BITS"; then
310      AC_MSG_NOTICE([--with-target-bits are set to build platform address size; argument has no meaning])
311    else
312      AC_MSG_ERROR([--with-target-bits can only be 32 or 64, you specified $with_target_bits!])
313    fi
314  fi
315  AC_SUBST(COMPILE_TYPE)
316
317  AC_MSG_CHECKING([compilation type])
318  AC_MSG_RESULT([$COMPILE_TYPE])
319])
320
321# Setup the legacy variables, for controlling the old makefiles.
322#
323AC_DEFUN([PLATFORM_SETUP_LEGACY_VARS],
324[
325  PLATFORM_SETUP_LEGACY_VARS_HELPER([TARGET])
326  PLATFORM_SETUP_LEGACY_VARS_HELPER([BUILD])
327])
328
329# $1 - Either TARGET or BUILD to setup the variables for.
330AC_DEFUN([PLATFORM_SETUP_LEGACY_VARS_HELPER],
331[
332  # Also store the legacy naming of the cpu.
333  # Ie i586 and amd64 instead of x86 and x86_64
334  OPENJDK_$1_CPU_LEGACY="$OPENJDK_$1_CPU"
335  if test "x$OPENJDK_$1_CPU" = xx86; then
336    OPENJDK_$1_CPU_LEGACY="i586"
337  elif test "x$OPENJDK_$1_OS" != xmacosx && test "x$OPENJDK_$1_CPU" = xx86_64; then
338    # On all platforms except MacOSX replace x86_64 with amd64.
339    OPENJDK_$1_CPU_LEGACY="amd64"
340  elif test "x$OPENJDK_$1_CPU" = xalpha; then
341    # Avoid name collisions with variables named alpha
342    OPENJDK_$1_CPU_LEGACY="_alpha_"
343  elif test "x$OPENJDK_$1_CPU" = xsh; then
344    # Avoid name collisions with variables named sh
345    OPENJDK_$1_CPU_LEGACY="_sh_"
346  fi
347  AC_SUBST(OPENJDK_$1_CPU_LEGACY)
348
349  # And the second legacy naming of the cpu.
350  # Ie i386 and amd64 instead of x86 and x86_64.
351  OPENJDK_$1_CPU_LEGACY_LIB="$OPENJDK_$1_CPU"
352  if test "x$OPENJDK_$1_CPU" = xx86; then
353    OPENJDK_$1_CPU_LEGACY_LIB="i386"
354  elif test "x$OPENJDK_$1_CPU" = xx86_64; then
355    OPENJDK_$1_CPU_LEGACY_LIB="amd64"
356  fi
357  AC_SUBST(OPENJDK_$1_CPU_LEGACY_LIB)
358
359  # OPENJDK_$1_CPU_ISADIR is normally empty. On 64-bit Solaris systems, it is set to
360  # /amd64 or /sparcv9. This string is appended to some library paths, like this:
361  # /usr/lib${OPENJDK_$1_CPU_ISADIR}/libexample.so
362  OPENJDK_$1_CPU_ISADIR=""
363  if test "x$OPENJDK_$1_OS" = xsolaris; then
364    if test "x$OPENJDK_$1_CPU" = xx86_64; then
365      OPENJDK_$1_CPU_ISADIR="/amd64"
366    elif test "x$OPENJDK_$1_CPU" = xsparcv9; then
367      OPENJDK_$1_CPU_ISADIR="/sparcv9"
368    fi
369  fi
370  AC_SUBST(OPENJDK_$1_CPU_ISADIR)
371
372  # Setup OPENJDK_$1_CPU_OSARCH, which is used to set the os.arch Java system property
373  OPENJDK_$1_CPU_OSARCH="$OPENJDK_$1_CPU"
374  if test "x$OPENJDK_$1_OS" = xlinux && test "x$OPENJDK_$1_CPU" = xx86; then
375    # On linux only, we replace x86 with i386.
376    OPENJDK_$1_CPU_OSARCH="i386"
377  elif test "x$OPENJDK_$1_OS" != xmacosx && test "x$OPENJDK_$1_CPU" = xx86_64; then
378    # On all platforms except macosx, we replace x86_64 with amd64.
379    OPENJDK_$1_CPU_OSARCH="amd64"
380  fi
381  AC_SUBST(OPENJDK_$1_CPU_OSARCH)
382
383  OPENJDK_$1_CPU_JLI="$OPENJDK_$1_CPU"
384  if test "x$OPENJDK_$1_CPU" = xx86; then
385    OPENJDK_$1_CPU_JLI="i386"
386  elif test "x$OPENJDK_$1_OS" != xmacosx && test "x$OPENJDK_$1_CPU" = xx86_64; then
387    # On all platforms except macosx, we replace x86_64 with amd64.
388    OPENJDK_$1_CPU_JLI="amd64"
389  fi
390
391  if test "x$OPENJDK_$1_OS" = xmacosx; then
392      OPENJDK_$1_OS_EXPORT_DIR=macosx
393  else
394      OPENJDK_$1_OS_EXPORT_DIR=${OPENJDK_$1_OS_TYPE}
395  fi
396  AC_SUBST(OPENJDK_$1_OS_EXPORT_DIR)
397
398  # The new version string in JDK 9 also defined new naming of OS and ARCH for bundles
399  # Macosx is osx and x86_64 is x64
400  if test "x$OPENJDK_$1_OS" = xmacosx; then
401    OPENJDK_$1_OS_BUNDLE="osx"
402  else
403    OPENJDK_$1_OS_BUNDLE="$OPENJDK_TARGET_OS"
404  fi
405  if test "x$OPENJDK_$1_CPU" = xx86_64; then
406    OPENJDK_$1_CPU_BUNDLE="x64"
407  else
408    OPENJDK_$1_CPU_BUNDLE="$OPENJDK_$1_CPU"
409  fi
410  OPENJDK_$1_BUNDLE_PLATFORM="${OPENJDK_$1_OS_BUNDLE}-${OPENJDK_$1_CPU_BUNDLE}"
411  AC_SUBST(OPENJDK_$1_BUNDLE_PLATFORM)
412
413  if test "x$OPENJDK_$1_CPU_BITS" = x64; then
414    # -D_LP64=1 is only set on linux and mac. Setting on windows causes diff in
415    # unpack200.exe. This variable is used in
416    # FLAGS_SETUP_COMPILER_FLAGS_FOR_JDK_HELPER.
417    if test "x$OPENJDK_$1_OS" = xlinux || test "x$OPENJDK_$1_OS" = xmacosx; then
418      OPENJDK_$1_ADD_LP64="-D_LP64=1"
419    fi
420  fi
421
422  if test "x$COMPILE_TYPE" = "xcross"; then
423    # FIXME: ... or should this include reduced builds..?
424    DEFINE_CROSS_COMPILE_ARCH="CROSS_COMPILE_ARCH:=$OPENJDK_$1_CPU_LEGACY"
425  else
426    DEFINE_CROSS_COMPILE_ARCH=""
427  fi
428  AC_SUBST(DEFINE_CROSS_COMPILE_ARCH)
429
430  # Convert openjdk platform names to hotspot names
431
432  HOTSPOT_$1_OS=${OPENJDK_$1_OS}
433  if test "x$OPENJDK_$1_OS" = xmacosx; then
434    HOTSPOT_$1_OS=bsd
435  fi
436  AC_SUBST(HOTSPOT_$1_OS)
437
438  HOTSPOT_$1_OS_TYPE=${OPENJDK_$1_OS_TYPE}
439  if test "x$OPENJDK_$1_OS_TYPE" = xunix; then
440    HOTSPOT_$1_OS_TYPE=posix
441  fi
442  AC_SUBST(HOTSPOT_$1_OS_TYPE)
443
444  HOTSPOT_$1_CPU=${OPENJDK_$1_CPU}
445  if test "x$OPENJDK_$1_CPU" = xx86; then
446    HOTSPOT_$1_CPU=x86_32
447  elif test "x$OPENJDK_$1_CPU" = xsparcv9; then
448    HOTSPOT_$1_CPU=sparc
449  elif test "x$OPENJDK_$1_CPU" = xppc64; then
450    HOTSPOT_$1_CPU=ppc_64
451  elif test "x$OPENJDK_$1_CPU" = xppc64le; then
452    HOTSPOT_$1_CPU=ppc_64
453  fi
454  AC_SUBST(HOTSPOT_$1_CPU)
455
456  # This is identical with OPENJDK_*, but define anyway for consistency.
457  HOTSPOT_$1_CPU_ARCH=${OPENJDK_$1_CPU_ARCH}
458  AC_SUBST(HOTSPOT_$1_CPU_ARCH)
459
460  # Setup HOTSPOT_$1_CPU_DEFINE
461  if test "x$OPENJDK_$1_CPU" = xx86; then
462    HOTSPOT_$1_CPU_DEFINE=IA32
463  elif test "x$OPENJDK_$1_CPU" = xx86_64; then
464    HOTSPOT_$1_CPU_DEFINE=AMD64
465  elif test "x$OPENJDK_$1_CPU" = xsparcv9; then
466    HOTSPOT_$1_CPU_DEFINE=SPARC
467  elif test "x$OPENJDK_$1_CPU" = xaarch64; then
468    HOTSPOT_$1_CPU_DEFINE=AARCH64
469  elif test "x$OPENJDK_$1_CPU" = xppc64; then
470    HOTSPOT_$1_CPU_DEFINE=PPC64
471  elif test "x$OPENJDK_$1_CPU" = xppc64le; then
472    HOTSPOT_$1_CPU_DEFINE=PPC64
473
474  # The cpu defines below are for zero, we don't support them directly.
475  elif test "x$OPENJDK_$1_CPU" = xsparc; then
476    HOTSPOT_$1_CPU_DEFINE=SPARC
477  elif test "x$OPENJDK_$1_CPU" = xppc; then
478    HOTSPOT_$1_CPU_DEFINE=PPC32
479  elif test "x$OPENJDK_$1_CPU" = xs390; then
480    HOTSPOT_$1_CPU_DEFINE=S390
481  elif test "x$OPENJDK_$1_CPU" = xs390x; then
482    HOTSPOT_$1_CPU_DEFINE=S390
483  elif test "x$OPENJDK_$1_CPU" != x; then
484    HOTSPOT_$1_CPU_DEFINE=$(echo $OPENJDK_$1_CPU | tr a-z A-Z)
485  fi
486  AC_SUBST(HOTSPOT_$1_CPU_DEFINE)
487
488])
489
490AC_DEFUN([PLATFORM_SET_RELEASE_FILE_OS_VALUES],
491[
492  if test "x$OPENJDK_TARGET_OS" = "xsolaris"; then
493    RELEASE_FILE_OS_NAME=SunOS
494  fi
495  if test "x$OPENJDK_TARGET_OS" = "xlinux"; then
496    RELEASE_FILE_OS_NAME=Linux
497  fi
498  if test "x$OPENJDK_TARGET_OS" = "xwindows"; then
499    RELEASE_FILE_OS_NAME=Windows
500  fi
501  if test "x$OPENJDK_TARGET_OS" = xmacosx; then
502    RELEASE_FILE_OS_NAME="Darwin"
503  fi
504  if test "x$OPENJDK_TARGET_OS" = "xaix"; then
505    RELEASE_FILE_OS_NAME="AIX"
506  fi
507  RELEASE_FILE_OS_ARCH=${OPENJDK_TARGET_CPU}
508
509  AC_SUBST(RELEASE_FILE_OS_NAME)
510  AC_SUBST(RELEASE_FILE_OS_ARCH)
511])
512
513AC_DEFUN([PLATFORM_SET_MODULE_TARGET_OS_VALUES],
514[
515  if test "x$OPENJDK_TARGET_OS" = xmacosx; then
516    OPENJDK_MODULE_TARGET_OS_NAME="macos"
517  else
518    OPENJDK_MODULE_TARGET_OS_NAME="$OPENJDK_TARGET_OS"
519  fi
520
521  if test "x$OPENJDK_TARGET_CPU" = xx86_64; then
522    OPENJDK_MODULE_TARGET_OS_ARCH="amd64"
523  else
524    OPENJDK_MODULE_TARGET_OS_ARCH="$OPENJDK_TARGET_CPU"
525  fi
526
527  OPENJDK_MODULE_TARGET_PLATFORM="${OPENJDK_MODULE_TARGET_OS_NAME}-${OPENJDK_MODULE_TARGET_OS_ARCH}"
528  AC_SUBST(OPENJDK_MODULE_TARGET_PLATFORM)
529])
530
531#%%% Build and target systems %%%
532AC_DEFUN_ONCE([PLATFORM_SETUP_OPENJDK_BUILD_AND_TARGET],
533[
534  # Figure out the build and target systems. # Note that in autoconf terminology, "build" is obvious, but "target"
535  # is confusing; it assumes you are cross-compiling a cross-compiler (!)  and "target" is thus the target of the
536  # product you're building. The target of this build is called "host". Since this is confusing to most people, we
537  # have not adopted that system, but use "target" as the platform we are building for. In some places though we need
538  # to use the configure naming style.
539  AC_CANONICAL_BUILD
540  AC_CANONICAL_HOST
541  AC_CANONICAL_TARGET
542
543  PLATFORM_EXTRACT_TARGET_AND_BUILD
544  PLATFORM_SETUP_TARGET_CPU_BITS
545  PLATFORM_SET_MODULE_TARGET_OS_VALUES
546  PLATFORM_SET_RELEASE_FILE_OS_VALUES
547  PLATFORM_SETUP_LEGACY_VARS
548])
549
550AC_DEFUN_ONCE([PLATFORM_SETUP_OPENJDK_BUILD_OS_VERSION],
551[
552  ###############################################################################
553
554  # Note that this is the build platform OS version!
555
556  OS_VERSION="`uname -r | ${SED} 's!\.! !g' | ${SED} 's!-! !g'`"
557  OS_VERSION_MAJOR="`${ECHO} ${OS_VERSION} | ${CUT} -f 1 -d ' '`"
558  OS_VERSION_MINOR="`${ECHO} ${OS_VERSION} | ${CUT} -f 2 -d ' '`"
559  OS_VERSION_MICRO="`${ECHO} ${OS_VERSION} | ${CUT} -f 3 -d ' '`"
560  AC_SUBST(OS_VERSION_MAJOR)
561  AC_SUBST(OS_VERSION_MINOR)
562  AC_SUBST(OS_VERSION_MICRO)
563])
564
565# Support macro for PLATFORM_SETUP_OPENJDK_TARGET_BITS.
566# Add -mX to various FLAGS variables.
567AC_DEFUN([PLATFORM_SET_COMPILER_TARGET_BITS_FLAGS],
568[
569  # When we add flags to the "official" CFLAGS etc, we need to
570  # keep track of these additions in ADDED_CFLAGS etc. These
571  # will later be checked to make sure only controlled additions
572  # have been made to CFLAGS etc.
573  ADDED_CFLAGS=" ${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}"
574  ADDED_CXXFLAGS=" ${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}"
575  ADDED_LDFLAGS=" ${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}"
576
577  CFLAGS="${CFLAGS}${ADDED_CFLAGS}"
578  CXXFLAGS="${CXXFLAGS}${ADDED_CXXFLAGS}"
579  LDFLAGS="${LDFLAGS}${ADDED_LDFLAGS}"
580
581  CFLAGS_JDK="${CFLAGS_JDK}${ADDED_CFLAGS}"
582  CXXFLAGS_JDK="${CXXFLAGS_JDK}${ADDED_CXXFLAGS}"
583  LDFLAGS_JDK="${LDFLAGS_JDK}${ADDED_LDFLAGS}"
584
585  JVM_CFLAGS="$JVM_CFLAGS $ADDED_CFLAGS"
586  JVM_LDFLAGS="$JVM_LDFLAGS $ADDED_LDFLAGS"
587  JVM_ASFLAGS="$JVM_ASFLAGS $ADDED_CFLAGS"
588])
589
590AC_DEFUN_ONCE([PLATFORM_SETUP_OPENJDK_TARGET_BITS],
591[
592  ###############################################################################
593  #
594  # Now we check if libjvm.so will use 32 or 64 bit pointers for the C/C++ code.
595  # (The JVM can use 32 or 64 bit Java pointers but that decision
596  # is made at runtime.)
597  #
598
599  if test "x$OPENJDK_TARGET_OS" = xsolaris || test "x$OPENJDK_TARGET_OS" = xaix; then
600    # Always specify -m flag on Solaris
601    # And -q on AIX because otherwise the compiler produces 32-bit objects by default
602    PLATFORM_SET_COMPILER_TARGET_BITS_FLAGS
603  elif test "x$COMPILE_TYPE" = xreduced; then
604    if test "x$OPENJDK_TARGET_OS_TYPE" = xunix; then
605      # Specify -m if running reduced on unix platforms
606      PLATFORM_SET_COMPILER_TARGET_BITS_FLAGS
607    fi
608  fi
609  if test "x$OPENJDK_TARGET_OS" = xmacosx; then
610    JVM_CFLAGS="$JVM_CFLAGS ${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}"
611    JVM_LDFLAGS="$JVM_LDFLAGS ${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}"
612    JVM_ASFLAGS="$JVM_ASFLAGS ${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}"
613  fi
614
615  # Make compilation sanity check
616  AC_CHECK_HEADERS([stdio.h], , [
617    AC_MSG_NOTICE([Failed to compile stdio.h. This likely implies missing compile dependencies.])
618    if test "x$COMPILE_TYPE" = xreduced; then
619      HELP_MSG_MISSING_DEPENDENCY([reduced])
620      AC_MSG_NOTICE([You are doing a reduced build. Check that you have 32-bit libraries installed. $HELP_MSG])
621    elif test "x$COMPILE_TYPE" = xcross; then
622      AC_MSG_NOTICE([You are doing a cross-compilation. Check that you have all target platform libraries installed.])
623    fi
624    AC_MSG_ERROR([Cannot continue.])
625  ])
626
627  AC_CHECK_SIZEOF([int *], [1111])
628
629  # AC_CHECK_SIZEOF defines 'ac_cv_sizeof_int_p' to hold the number of bytes used by an 'int*'
630  if test "x$ac_cv_sizeof_int_p" = x; then
631    # The test failed, lets stick to the assumed value.
632    AC_MSG_WARN([The number of bits in the target could not be determined, using $OPENJDK_TARGET_CPU_BITS.])
633  else
634    TESTED_TARGET_CPU_BITS=`expr 8 \* $ac_cv_sizeof_int_p`
635
636    if test "x$TESTED_TARGET_CPU_BITS" != "x$OPENJDK_TARGET_CPU_BITS"; then
637      # This situation may happen on 64-bit platforms where the compiler by default only generates 32-bit objects
638      # Let's try to implicitely set the compilers target architecture and retry the test
639      AC_MSG_NOTICE([The tested number of bits in the target ($TESTED_TARGET_CPU_BITS) differs from the number of bits expected to be found in the target ($OPENJDK_TARGET_CPU_BITS).])
640      AC_MSG_NOTICE([Retrying with platforms compiler target bits flag to ${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}])
641      PLATFORM_SET_COMPILER_TARGET_BITS_FLAGS
642
643      # We have to unset 'ac_cv_sizeof_int_p' first, otherwise AC_CHECK_SIZEOF will use the previously cached value!
644      unset ac_cv_sizeof_int_p
645      # And we have to undef the definition of SIZEOF_INT_P in confdefs.h by the previous invocation of AC_CHECK_SIZEOF
646      cat >>confdefs.h <<_ACEOF
647#undef SIZEOF_INT_P
648_ACEOF
649
650      AC_CHECK_SIZEOF([int *], [1111])
651
652      TESTED_TARGET_CPU_BITS=`expr 8 \* $ac_cv_sizeof_int_p`
653
654      if test "x$TESTED_TARGET_CPU_BITS" != "x$OPENJDK_TARGET_CPU_BITS"; then
655        AC_MSG_NOTICE([The tested number of bits in the target ($TESTED_TARGET_CPU_BITS) differs from the number of bits expected to be found in the target ($OPENJDK_TARGET_CPU_BITS)])
656        if test "x$COMPILE_TYPE" = xreduced; then
657          HELP_MSG_MISSING_DEPENDENCY([reduced])
658          AC_MSG_NOTICE([You are doing a reduced build. Check that you have 32-bit libraries installed. $HELP_MSG])
659        elif test "x$COMPILE_TYPE" = xcross; then
660          AC_MSG_NOTICE([You are doing a cross-compilation. Check that you have all target platform libraries installed.])
661        fi
662        AC_MSG_ERROR([Cannot continue.])
663      fi
664    fi
665  fi
666
667  AC_MSG_CHECKING([for target address size])
668  AC_MSG_RESULT([$OPENJDK_TARGET_CPU_BITS bits])
669])
670
671AC_DEFUN_ONCE([PLATFORM_SETUP_OPENJDK_TARGET_ENDIANNESS],
672[
673  ###############################################################################
674  #
675  # Is the target little of big endian?
676  #
677  AC_C_BIGENDIAN([ENDIAN="big"],[ENDIAN="little"],[ENDIAN="unknown"],[ENDIAN="universal_endianness"])
678
679  if test "x$ENDIAN" = xuniversal_endianness; then
680    AC_MSG_ERROR([Building with both big and little endianness is not supported])
681  fi
682  if test "x$ENDIAN" != "x$OPENJDK_TARGET_CPU_ENDIAN"; then
683    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)])
684  fi
685])
686