1#
2# Copyright (c) 2011, 2018, 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*x32)
34      VAR_CPU=x32
35      VAR_CPU_ARCH=x86
36      VAR_CPU_BITS=32
37      VAR_CPU_ENDIAN=little
38      ;;
39    amd64|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    m68k)
76      VAR_CPU=m68k
77      VAR_CPU_ARCH=m68k
78      VAR_CPU_BITS=32
79      VAR_CPU_ENDIAN=big
80      ;;
81    mips)
82      VAR_CPU=mips
83      VAR_CPU_ARCH=mips
84      VAR_CPU_BITS=32
85      VAR_CPU_ENDIAN=big
86      ;;
87    mipsel)
88      VAR_CPU=mipsel
89      VAR_CPU_ARCH=mipsel
90      VAR_CPU_BITS=32
91      VAR_CPU_ENDIAN=little
92      ;;
93    mips64)
94      VAR_CPU=mips64
95      VAR_CPU_ARCH=mips64
96      VAR_CPU_BITS=64
97      VAR_CPU_ENDIAN=big
98      ;;
99    mips64el)
100      VAR_CPU=mips64el
101      VAR_CPU_ARCH=mips64el
102      VAR_CPU_BITS=64
103      VAR_CPU_ENDIAN=little
104      ;;
105    powerpc)
106      VAR_CPU=ppc
107      VAR_CPU_ARCH=ppc
108      VAR_CPU_BITS=32
109      VAR_CPU_ENDIAN=big
110      ;;
111    powerpc64)
112      VAR_CPU=ppc64
113      VAR_CPU_ARCH=ppc
114      VAR_CPU_BITS=64
115      VAR_CPU_ENDIAN=big
116      ;;
117    powerpc64le)
118      VAR_CPU=ppc64le
119      VAR_CPU_ARCH=ppc
120      VAR_CPU_BITS=64
121      VAR_CPU_ENDIAN=little
122      ;;
123    s390)
124      VAR_CPU=s390
125      VAR_CPU_ARCH=s390
126      VAR_CPU_BITS=32
127      VAR_CPU_ENDIAN=big
128      ;;
129    s390x)
130      VAR_CPU=s390x
131      VAR_CPU_ARCH=s390
132      VAR_CPU_BITS=64
133      VAR_CPU_ENDIAN=big
134      ;;
135    sh*eb)
136      VAR_CPU=sh
137      VAR_CPU_ARCH=sh
138      VAR_CPU_BITS=32
139      VAR_CPU_ENDIAN=big
140      ;;
141    sh*)
142      VAR_CPU=sh
143      VAR_CPU_ARCH=sh
144      VAR_CPU_BITS=32
145      VAR_CPU_ENDIAN=little
146      ;;
147    sparc)
148      VAR_CPU=sparc
149      VAR_CPU_ARCH=sparc
150      VAR_CPU_BITS=32
151      VAR_CPU_ENDIAN=big
152      ;;
153    sparcv9|sparc64)
154      VAR_CPU=sparcv9
155      VAR_CPU_ARCH=sparc
156      VAR_CPU_BITS=64
157      VAR_CPU_ENDIAN=big
158      ;;
159    *)
160      AC_MSG_ERROR([unsupported cpu $1])
161      ;;
162  esac
163])
164
165# Support macro for PLATFORM_EXTRACT_TARGET_AND_BUILD.
166# Converts autoconf style OS name to OpenJDK style, into
167# VAR_OS, VAR_OS_TYPE and VAR_OS_ENV.
168AC_DEFUN([PLATFORM_EXTRACT_VARS_FROM_OS],
169[
170  case "$1" in
171    *linux*)
172      VAR_OS=linux
173      VAR_OS_TYPE=unix
174      ;;
175    *solaris*)
176      VAR_OS=solaris
177      VAR_OS_TYPE=unix
178      ;;
179    *darwin*)
180      VAR_OS=macosx
181      VAR_OS_TYPE=unix
182      ;;
183    *bsd*|*dragonfly*)
184      VAR_OS=bsd
185      VAR_OS_TYPE=unix
186      case "$1" in
187        *freebsd*|*dragonfly*)
188          VAR_OS_ENV=bsd.freebsd ;;
189        *openbsd*)
190          VAR_OS_ENV=bsd.openbsd ;;
191        *netbsd*)
192          VAR_OS_ENV=bsd.netbsd ;;
193      esac
194      ;;
195    *cygwin*)
196      VAR_OS=windows
197      VAR_OS_ENV=windows.cygwin
198      ;;
199    *mingw*)
200      VAR_OS=windows
201      VAR_OS_ENV=windows.msys
202      ;;
203    *aix*)
204      VAR_OS=aix
205      VAR_OS_TYPE=unix
206      ;;
207    *)
208      AC_MSG_ERROR([unsupported operating system $1])
209      ;;
210  esac
211])
212
213# Expects $host_os $host_cpu $build_os and $build_cpu
214# and $with_target_bits to have been setup!
215#
216# Translate the standard triplet(quadruplet) definition
217# of the target/build system into OPENJDK_TARGET_OS, OPENJDK_TARGET_CPU,
218# OPENJDK_BUILD_OS, etc.
219AC_DEFUN([PLATFORM_EXTRACT_TARGET_AND_BUILD],
220[
221  # Copy the autoconf trip/quadruplet verbatim to OPENJDK_TARGET_AUTOCONF_NAME
222  # (from the autoconf "host") and OPENJDK_BUILD_AUTOCONF_NAME
223  # Note that we might later on rewrite e.g. OPENJDK_TARGET_CPU due to reduced build,
224  # but this will not change the value of OPENJDK_TARGET_AUTOCONF_NAME.
225  OPENJDK_TARGET_AUTOCONF_NAME="$host"
226  OPENJDK_BUILD_AUTOCONF_NAME="$build"
227  AC_SUBST(OPENJDK_TARGET_AUTOCONF_NAME)
228  AC_SUBST(OPENJDK_BUILD_AUTOCONF_NAME)
229
230  # Convert the autoconf OS/CPU value to our own data, into the VAR_OS/CPU variables.
231  PLATFORM_EXTRACT_VARS_FROM_OS($build_os)
232  PLATFORM_EXTRACT_VARS_FROM_CPU($build_cpu)
233  # ..and setup our own variables. (Do this explicitly to facilitate searching)
234  OPENJDK_BUILD_OS="$VAR_OS"
235  if test "x$VAR_OS_TYPE" != x; then
236    OPENJDK_BUILD_OS_TYPE="$VAR_OS_TYPE"
237  else
238    OPENJDK_BUILD_OS_TYPE="$VAR_OS"
239  fi
240  if test "x$VAR_OS_ENV" != x; then
241    OPENJDK_BUILD_OS_ENV="$VAR_OS_ENV"
242  else
243    OPENJDK_BUILD_OS_ENV="$VAR_OS"
244  fi
245  OPENJDK_BUILD_CPU="$VAR_CPU"
246  OPENJDK_BUILD_CPU_ARCH="$VAR_CPU_ARCH"
247  OPENJDK_BUILD_CPU_BITS="$VAR_CPU_BITS"
248  OPENJDK_BUILD_CPU_ENDIAN="$VAR_CPU_ENDIAN"
249  AC_SUBST(OPENJDK_BUILD_OS)
250  AC_SUBST(OPENJDK_BUILD_OS_TYPE)
251  AC_SUBST(OPENJDK_BUILD_OS_ENV)
252  AC_SUBST(OPENJDK_BUILD_CPU)
253  AC_SUBST(OPENJDK_BUILD_CPU_ARCH)
254  AC_SUBST(OPENJDK_BUILD_CPU_BITS)
255  AC_SUBST(OPENJDK_BUILD_CPU_ENDIAN)
256
257  AC_MSG_CHECKING([openjdk-build os-cpu])
258  AC_MSG_RESULT([$OPENJDK_BUILD_OS-$OPENJDK_BUILD_CPU])
259
260  # Convert the autoconf OS/CPU value to our own data, into the VAR_OS/CPU variables.
261  PLATFORM_EXTRACT_VARS_FROM_OS($host_os)
262  PLATFORM_EXTRACT_VARS_FROM_CPU($host_cpu)
263  # ... and setup our own variables. (Do this explicitly to facilitate searching)
264  OPENJDK_TARGET_OS="$VAR_OS"
265  if test "x$VAR_OS_TYPE" != x; then
266    OPENJDK_TARGET_OS_TYPE="$VAR_OS_TYPE"
267  else
268    OPENJDK_TARGET_OS_TYPE="$VAR_OS"
269  fi
270  if test "x$VAR_OS_ENV" != x; then
271    OPENJDK_TARGET_OS_ENV="$VAR_OS_ENV"
272  else
273    OPENJDK_TARGET_OS_ENV="$VAR_OS"
274  fi
275  OPENJDK_TARGET_CPU="$VAR_CPU"
276  OPENJDK_TARGET_CPU_ARCH="$VAR_CPU_ARCH"
277  OPENJDK_TARGET_CPU_BITS="$VAR_CPU_BITS"
278  OPENJDK_TARGET_CPU_ENDIAN="$VAR_CPU_ENDIAN"
279  OPENJDK_TARGET_OS_UPPERCASE=`$ECHO $OPENJDK_TARGET_OS | $TR 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
280
281  AC_SUBST(OPENJDK_TARGET_OS)
282  AC_SUBST(OPENJDK_TARGET_OS_TYPE)
283  AC_SUBST(OPENJDK_TARGET_OS_ENV)
284  AC_SUBST(OPENJDK_TARGET_OS_UPPERCASE)
285  AC_SUBST(OPENJDK_TARGET_CPU)
286  AC_SUBST(OPENJDK_TARGET_CPU_ARCH)
287  AC_SUBST(OPENJDK_TARGET_CPU_BITS)
288  AC_SUBST(OPENJDK_TARGET_CPU_ENDIAN)
289
290  AC_MSG_CHECKING([openjdk-target os-cpu])
291  AC_MSG_RESULT([$OPENJDK_TARGET_OS-$OPENJDK_TARGET_CPU])
292
293  if test "x$OPENJDK_TARGET_OS_ENV" != "x$OPENJDK_TARGET_OS"; then
294    AC_MSG_CHECKING([openjdk-target os-env])
295    AC_MSG_RESULT([$OPENJDK_TARGET_OS_ENV])
296  fi
297])
298
299# Check if a reduced build (32-bit on 64-bit platforms) is requested, and modify behaviour
300# accordingly. Must be done after setting up build and target system, but before
301# doing anything else with these values.
302AC_DEFUN([PLATFORM_SETUP_TARGET_CPU_BITS],
303[
304  AC_ARG_WITH(target-bits, [AS_HELP_STRING([--with-target-bits],
305       [build 32-bit or 64-bit binaries (for platforms that support it), e.g. --with-target-bits=32 @<:@guessed@:>@])])
306
307  # We have three types of compiles:
308  # native  == normal compilation, target system == build system
309  # cross   == traditional cross compilation, target system != build system; special toolchain needed
310  # reduced == using native compilers, but with special flags (e.g. -m32) to produce 32-bit builds on 64-bit machines
311  #
312  if test "x$OPENJDK_BUILD_AUTOCONF_NAME" != "x$OPENJDK_TARGET_AUTOCONF_NAME"; then
313    # We're doing a proper cross-compilation
314    COMPILE_TYPE="cross"
315  else
316    COMPILE_TYPE="native"
317  fi
318
319  if test "x$with_target_bits" != x; then
320    if test "x$COMPILE_TYPE" = "xcross"; then
321      AC_MSG_ERROR([It is not possible to combine --with-target-bits=X and proper cross-compilation. Choose either.])
322    fi
323
324    if test "x$with_target_bits" = x32 && test "x$OPENJDK_TARGET_CPU_BITS" = x64; then
325      # A reduced build is requested
326      COMPILE_TYPE="reduced"
327      OPENJDK_TARGET_CPU_BITS=32
328      if test "x$OPENJDK_TARGET_CPU_ARCH" = "xx86"; then
329        OPENJDK_TARGET_CPU=x86
330      elif test "x$OPENJDK_TARGET_CPU_ARCH" = "xsparc"; then
331        OPENJDK_TARGET_CPU=sparc
332      else
333        AC_MSG_ERROR([Reduced build (--with-target-bits=32) is only supported on x86_64 and sparcv9])
334      fi
335    elif test "x$with_target_bits" = x64 && test "x$OPENJDK_TARGET_CPU_BITS" = x32; then
336      AC_MSG_ERROR([It is not possible to use --with-target-bits=64 on a 32 bit system. Use proper cross-compilation instead.])
337    elif test "x$with_target_bits" = "x$OPENJDK_TARGET_CPU_BITS"; then
338      AC_MSG_NOTICE([--with-target-bits are set to build platform address size; argument has no meaning])
339    else
340      AC_MSG_ERROR([--with-target-bits can only be 32 or 64, you specified $with_target_bits!])
341    fi
342  fi
343  AC_SUBST(COMPILE_TYPE)
344
345  AC_MSG_CHECKING([compilation type])
346  AC_MSG_RESULT([$COMPILE_TYPE])
347])
348
349# Setup the legacy variables, for controlling the old makefiles.
350#
351AC_DEFUN([PLATFORM_SETUP_LEGACY_VARS],
352[
353  PLATFORM_SETUP_LEGACY_VARS_HELPER([TARGET])
354  PLATFORM_SETUP_LEGACY_VARS_HELPER([BUILD])
355])
356
357# $1 - Either TARGET or BUILD to setup the variables for.
358AC_DEFUN([PLATFORM_SETUP_LEGACY_VARS_HELPER],
359[
360  # Also store the legacy naming of the cpu.
361  # Ie i586 and amd64 instead of x86 and x86_64
362  OPENJDK_$1_CPU_LEGACY="$OPENJDK_$1_CPU"
363  if test "x$OPENJDK_$1_CPU" = xx86; then
364    OPENJDK_$1_CPU_LEGACY="i586"
365  elif test "x$OPENJDK_$1_OS" != xmacosx && test "x$OPENJDK_$1_CPU" = xx86_64; then
366    # On all platforms except MacOSX replace x86_64 with amd64.
367    OPENJDK_$1_CPU_LEGACY="amd64"
368  elif test "x$OPENJDK_$1_CPU" = xalpha; then
369    # Avoid name collisions with variables named alpha
370    OPENJDK_$1_CPU_LEGACY="_alpha_"
371  elif test "x$OPENJDK_$1_CPU" = xsh; then
372    # Avoid name collisions with variables named sh
373    OPENJDK_$1_CPU_LEGACY="_sh_"
374  fi
375  AC_SUBST(OPENJDK_$1_CPU_LEGACY)
376
377  # And the second legacy naming of the cpu.
378  # Ie i386 and amd64 instead of x86 and x86_64.
379  OPENJDK_$1_CPU_LEGACY_LIB="$OPENJDK_$1_CPU"
380  if test "x$OPENJDK_$1_CPU" = xx86; then
381    OPENJDK_$1_CPU_LEGACY_LIB="i386"
382  elif test "x$OPENJDK_$1_CPU" = xx86_64; then
383    OPENJDK_$1_CPU_LEGACY_LIB="amd64"
384  fi
385  AC_SUBST(OPENJDK_$1_CPU_LEGACY_LIB)
386
387  # OPENJDK_$1_CPU_ISADIR is normally empty. On 64-bit Solaris systems, it is set to
388  # /amd64 or /sparcv9. This string is appended to some library paths, like this:
389  # /usr/lib${OPENJDK_$1_CPU_ISADIR}/libexample.so
390  OPENJDK_$1_CPU_ISADIR=""
391  if test "x$OPENJDK_$1_OS" = xsolaris; then
392    if test "x$OPENJDK_$1_CPU" = xx86_64; then
393      OPENJDK_$1_CPU_ISADIR="/amd64"
394    elif test "x$OPENJDK_$1_CPU" = xsparcv9; then
395      OPENJDK_$1_CPU_ISADIR="/sparcv9"
396    fi
397  fi
398  AC_SUBST(OPENJDK_$1_CPU_ISADIR)
399
400  # Setup OPENJDK_$1_CPU_OSARCH, which is used to set the os.arch Java system property
401  OPENJDK_$1_CPU_OSARCH="$OPENJDK_$1_CPU"
402  if test "x$OPENJDK_TARGET_OS" = xbsd -o "x$OPENJDK_$1_OS" = xlinux && test "x$OPENJDK_$1_CPU" = xx86; then
403    # On linux and BSD only, we replace x86 with i386.
404    OPENJDK_$1_CPU_OSARCH="i386"
405  elif test "x$OPENJDK_$1_OS" != xmacosx && test "x$OPENJDK_$1_CPU" = xx86_64; then
406    # On all platforms except macosx, we replace x86_64 with amd64.
407    OPENJDK_$1_CPU_OSARCH="amd64"
408  fi
409  AC_SUBST(OPENJDK_$1_CPU_OSARCH)
410
411  OPENJDK_$1_CPU_JLI="$OPENJDK_$1_CPU"
412  if test "x$OPENJDK_$1_CPU" = xx86; then
413    OPENJDK_$1_CPU_JLI="i386"
414  elif test "x$OPENJDK_$1_OS" != xmacosx && test "x$OPENJDK_$1_CPU" = xx86_64; then
415    # On all platforms except macosx, we replace x86_64 with amd64.
416    OPENJDK_$1_CPU_JLI="amd64"
417  fi
418
419  # The new version string in JDK 9 also defined new naming of OS and ARCH for bundles
420  # Macosx is osx and x86_64 is x64
421  if test "x$OPENJDK_$1_OS" = xmacosx; then
422    OPENJDK_$1_OS_BUNDLE="osx"
423  else
424    OPENJDK_$1_OS_BUNDLE="$OPENJDK_TARGET_OS"
425  fi
426  if test "x$OPENJDK_$1_CPU" = xx86_64; then
427    OPENJDK_$1_CPU_BUNDLE="x64"
428  else
429    OPENJDK_$1_CPU_BUNDLE="$OPENJDK_$1_CPU"
430  fi
431  OPENJDK_$1_BUNDLE_PLATFORM="${OPENJDK_$1_OS_BUNDLE}-${OPENJDK_$1_CPU_BUNDLE}"
432  AC_SUBST(OPENJDK_$1_BUNDLE_PLATFORM)
433
434  if test "x$COMPILE_TYPE" = "xcross"; then
435    # FIXME: ... or should this include reduced builds..?
436    DEFINE_CROSS_COMPILE_ARCH="CROSS_COMPILE_ARCH:=$OPENJDK_$1_CPU_LEGACY"
437  else
438    DEFINE_CROSS_COMPILE_ARCH=""
439  fi
440  AC_SUBST(DEFINE_CROSS_COMPILE_ARCH)
441
442  # Convert openjdk platform names to hotspot names
443
444  HOTSPOT_$1_OS=${OPENJDK_$1_OS}
445  if test "x$OPENJDK_$1_OS" = xmacosx; then
446    HOTSPOT_$1_OS=bsd
447  fi
448  AC_SUBST(HOTSPOT_$1_OS)
449
450  HOTSPOT_$1_OS_TYPE=${OPENJDK_$1_OS_TYPE}
451  if test "x$OPENJDK_$1_OS_TYPE" = xunix; then
452    HOTSPOT_$1_OS_TYPE=posix
453  fi
454  AC_SUBST(HOTSPOT_$1_OS_TYPE)
455
456  HOTSPOT_$1_CPU=${OPENJDK_$1_CPU}
457  if test "x$OPENJDK_$1_CPU" = xx86; then
458    HOTSPOT_$1_CPU=x86_32
459  elif test "x$OPENJDK_$1_CPU" = xsparcv9; then
460    HOTSPOT_$1_CPU=sparc
461  elif test "x$OPENJDK_$1_CPU" = xppc64; then
462    HOTSPOT_$1_CPU=ppc_64
463  elif test "x$OPENJDK_$1_CPU" = xppc64le; then
464    HOTSPOT_$1_CPU=ppc_64
465  fi
466  AC_SUBST(HOTSPOT_$1_CPU)
467
468  # This is identical with OPENJDK_*, but define anyway for consistency.
469  HOTSPOT_$1_CPU_ARCH=${OPENJDK_$1_CPU_ARCH}
470  AC_SUBST(HOTSPOT_$1_CPU_ARCH)
471
472  # Setup HOTSPOT_$1_CPU_DEFINE
473  if test "x$OPENJDK_$1_CPU" = xx86; then
474    HOTSPOT_$1_CPU_DEFINE=IA32
475  elif test "x$OPENJDK_$1_CPU" = xx86_64; then
476    HOTSPOT_$1_CPU_DEFINE=AMD64
477  elif test "x$OPENJDK_$1_CPU" = xx32; then
478    HOTSPOT_$1_CPU_DEFINE=X32
479  elif test "x$OPENJDK_$1_CPU" = xsparcv9; then
480    HOTSPOT_$1_CPU_DEFINE=SPARC
481  elif test "x$OPENJDK_$1_CPU" = xaarch64; then
482    HOTSPOT_$1_CPU_DEFINE=AARCH64
483  elif test "x$OPENJDK_$1_CPU" = xppc64; then
484    HOTSPOT_$1_CPU_DEFINE=PPC64
485  elif test "x$OPENJDK_$1_CPU" = xppc64le; then
486    HOTSPOT_$1_CPU_DEFINE=PPC64
487
488  # The cpu defines below are for zero, we don't support them directly.
489  elif test "x$OPENJDK_$1_CPU" = xsparc; then
490    HOTSPOT_$1_CPU_DEFINE=SPARC
491  elif test "x$OPENJDK_$1_CPU" = xppc; then
492    HOTSPOT_$1_CPU_DEFINE=PPC32
493  elif test "x$OPENJDK_$1_CPU" = xs390; then
494    HOTSPOT_$1_CPU_DEFINE=S390
495  elif test "x$OPENJDK_$1_CPU" = xs390x; then
496    HOTSPOT_$1_CPU_DEFINE=S390
497  elif test "x$OPENJDK_$1_CPU" != x; then
498    HOTSPOT_$1_CPU_DEFINE=$(echo $OPENJDK_$1_CPU | tr a-z A-Z)
499  fi
500  AC_SUBST(HOTSPOT_$1_CPU_DEFINE)
501
502  # For historical reasons, the OS include directories have odd names.
503  OPENJDK_$1_OS_INCLUDE_SUBDIR="$OPENJDK_TARGET_OS"
504  if test "x$OPENJDK_TARGET_OS" = "xwindows"; then
505    OPENJDK_$1_OS_INCLUDE_SUBDIR="win32"
506  elif test "x$OPENJDK_TARGET_OS" = "xmacosx"; then
507    OPENJDK_$1_OS_INCLUDE_SUBDIR="darwin"
508  elif test "x$OPENJDK_TARGET_OS" = "xbsd"; then
509    OPENJDK_$1_OS_INCLUDE_SUBDIR=`echo ${OPENJDK_TARGET_OS_ENV} | cut -d'.' -f2`
510  fi
511  AC_SUBST(OPENJDK_$1_OS_INCLUDE_SUBDIR)
512])
513
514AC_DEFUN([PLATFORM_SET_RELEASE_FILE_OS_VALUES],
515[
516  if test "x$OPENJDK_TARGET_OS" = "xsolaris"; then
517    RELEASE_FILE_OS_NAME=SunOS
518  fi
519  if test "x$OPENJDK_TARGET_OS" = "xlinux"; then
520    RELEASE_FILE_OS_NAME=Linux
521  fi
522  if test "x$OPENJDK_TARGET_OS" = "xwindows"; then
523    RELEASE_FILE_OS_NAME=Windows
524  fi
525  if test "x$OPENJDK_TARGET_OS" = xmacosx; then
526    RELEASE_FILE_OS_NAME="Darwin"
527  fi
528  if test "x$OPENJDK_TARGET_OS" = "xaix"; then
529    RELEASE_FILE_OS_NAME="AIX"
530  fi
531  RELEASE_FILE_OS_ARCH=${OPENJDK_TARGET_CPU}
532
533  AC_SUBST(RELEASE_FILE_OS_NAME)
534  AC_SUBST(RELEASE_FILE_OS_ARCH)
535])
536
537AC_DEFUN([PLATFORM_SET_MODULE_TARGET_OS_VALUES],
538[
539  if test "x$OPENJDK_TARGET_OS" = xmacosx; then
540    OPENJDK_MODULE_TARGET_OS_NAME="macos"
541  else
542    OPENJDK_MODULE_TARGET_OS_NAME="$OPENJDK_TARGET_OS"
543  fi
544
545  if test "x$OPENJDK_TARGET_CPU" = xx86_64; then
546    OPENJDK_MODULE_TARGET_OS_ARCH="amd64"
547  else
548    OPENJDK_MODULE_TARGET_OS_ARCH="$OPENJDK_TARGET_CPU"
549  fi
550
551  OPENJDK_MODULE_TARGET_PLATFORM="${OPENJDK_MODULE_TARGET_OS_NAME}-${OPENJDK_MODULE_TARGET_OS_ARCH}"
552  AC_SUBST(OPENJDK_MODULE_TARGET_PLATFORM)
553])
554
555#%%% Build and target systems %%%
556AC_DEFUN_ONCE([PLATFORM_SETUP_OPENJDK_BUILD_AND_TARGET],
557[
558  # Figure out the build and target systems. # Note that in autoconf terminology, "build" is obvious, but "target"
559  # is confusing; it assumes you are cross-compiling a cross-compiler (!)  and "target" is thus the target of the
560  # product you're building. The target of this build is called "host". Since this is confusing to most people, we
561  # have not adopted that system, but use "target" as the platform we are building for. In some places though we need
562  # to use the configure naming style.
563  AC_CANONICAL_BUILD
564  AC_CANONICAL_HOST
565  AC_CANONICAL_TARGET
566
567  PLATFORM_EXTRACT_TARGET_AND_BUILD
568  PLATFORM_SETUP_TARGET_CPU_BITS
569  PLATFORM_SET_MODULE_TARGET_OS_VALUES
570  PLATFORM_SET_RELEASE_FILE_OS_VALUES
571  PLATFORM_SETUP_LEGACY_VARS
572])
573
574AC_DEFUN_ONCE([PLATFORM_SETUP_OPENJDK_BUILD_OS_VERSION],
575[
576  ###############################################################################
577
578  # Note that this is the build platform OS version!
579
580  OS_VERSION="`uname -r | ${SED} 's!\.! !g' | ${SED} 's!-! !g'`"
581  OS_VERSION_MAJOR="`${ECHO} ${OS_VERSION} | ${CUT} -f 1 -d ' '`"
582  OS_VERSION_MINOR="`${ECHO} ${OS_VERSION} | ${CUT} -f 2 -d ' '`"
583  OS_VERSION_MICRO="`${ECHO} ${OS_VERSION} | ${CUT} -f 3 -d ' '`"
584  AC_SUBST(OS_VERSION_MAJOR)
585  AC_SUBST(OS_VERSION_MINOR)
586  AC_SUBST(OS_VERSION_MICRO)
587])
588
589AC_DEFUN_ONCE([PLATFORM_SETUP_OPENJDK_TARGET_BITS],
590[
591  ###############################################################################
592  #
593  # Now we check if libjvm.so will use 32 or 64 bit pointers for the C/C++ code.
594  # (The JVM can use 32 or 64 bit Java pointers but that decision
595  # is made at runtime.)
596  #
597
598  # Make compilation sanity check
599  AC_CHECK_HEADERS([stdio.h], , [
600    AC_MSG_NOTICE([Failed to compile stdio.h. This likely implies missing compile dependencies.])
601    if test "x$COMPILE_TYPE" = xreduced; then
602      HELP_MSG_MISSING_DEPENDENCY([reduced])
603      AC_MSG_NOTICE([You are doing a reduced build. Check that you have 32-bit libraries installed. $HELP_MSG])
604    elif test "x$COMPILE_TYPE" = xcross; then
605      AC_MSG_NOTICE([You are doing a cross-compilation. Check that you have all target platform libraries installed.])
606    fi
607    AC_MSG_ERROR([Cannot continue.])
608  ])
609
610  AC_CHECK_SIZEOF([int *], [1111])
611
612  # AC_CHECK_SIZEOF defines 'ac_cv_sizeof_int_p' to hold the number of bytes used by an 'int*'
613  if test "x$ac_cv_sizeof_int_p" = x; then
614    # The test failed, lets stick to the assumed value.
615    AC_MSG_WARN([The number of bits in the target could not be determined, using $OPENJDK_TARGET_CPU_BITS.])
616  else
617    TESTED_TARGET_CPU_BITS=`expr 8 \* $ac_cv_sizeof_int_p`
618
619    if test "x$TESTED_TARGET_CPU_BITS" != "x$OPENJDK_TARGET_CPU_BITS"; then
620      AC_MSG_NOTICE([The tested number of bits in the target ($TESTED_TARGET_CPU_BITS) differs from the number of bits expected to be found in the target ($OPENJDK_TARGET_CPU_BITS)])
621      if test "x$COMPILE_TYPE" = xreduced; then
622        HELP_MSG_MISSING_DEPENDENCY([reduced])
623        AC_MSG_NOTICE([You are doing a reduced build. Check that you have 32-bit libraries installed. $HELP_MSG])
624      elif test "x$COMPILE_TYPE" = xcross; then
625        AC_MSG_NOTICE([You are doing a cross-compilation. Check that you have all target platform libraries installed.])
626      fi
627      AC_MSG_ERROR([Cannot continue.])
628    fi
629  fi
630
631  AC_MSG_CHECKING([for target address size])
632  AC_MSG_RESULT([$OPENJDK_TARGET_CPU_BITS bits])
633])
634
635AC_DEFUN_ONCE([PLATFORM_SETUP_OPENJDK_TARGET_ENDIANNESS],
636[
637  ###############################################################################
638  #
639  # Is the target little of big endian?
640  #
641  AC_C_BIGENDIAN([ENDIAN="big"],[ENDIAN="little"],[ENDIAN="unknown"],[ENDIAN="universal_endianness"])
642
643  if test "x$ENDIAN" = xuniversal_endianness; then
644    AC_MSG_ERROR([Building with both big and little endianness is not supported])
645  fi
646  if test "x$ENDIAN" != "x$OPENJDK_TARGET_CPU_ENDIAN"; then
647    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)])
648  fi
649])
650