platform.m4 revision 423:e1830598f0b7 
1#
2# Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.
3# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4#
5# This code is free software; you can redistribute it and/or modify it
6# under the terms of the GNU General Public License version 2 only, as
7# published by the Free Software Foundation.  Oracle designates this
8# particular file as subject to the "Classpath" exception as provided
9# by Oracle in the LICENSE file that accompanied this code.
10#
11# This code is distributed in the hope that it will be useful, but WITHOUT
12# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14# version 2 for more details (a copy is included in the LICENSE file that
15# accompanied this code).
16#
17# You should have received a copy of the GNU General Public License version
18# 2 along with this work; if not, write to the Free Software Foundation,
19# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20#
21# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22# or visit www.oracle.com if you need additional information or have any
23# questions.
24#
25
26AC_DEFUN([CHECK_FIND_DELETE],
27[
28    # Test if find supports -delete
29    AC_MSG_CHECKING([if find supports -delete])
30    FIND_DELETE="-delete"
31
32    DELETEDIR=`mktemp -d tmp.XXXXXXXXXX` || (echo Could not create temporary directory!; exit $?)
33
34    echo Hejsan > $DELETEDIR/TestIfFindSupportsDelete
35
36    TEST_DELETE=`$FIND "$DELETEDIR" -name TestIfFindSupportsDelete $FIND_DELETE 2>&1`
37    if test -f $DELETEDIR/TestIfFindSupportsDelete; then
38        # No, it does not.
39        rm $DELETEDIR/TestIfFindSupportsDelete
40        FIND_DELETE="-exec rm \{\} \+"
41        AC_MSG_RESULT([no])    
42    else
43        AC_MSG_RESULT([yes])    
44    fi
45    rmdir $DELETEDIR
46])
47
48AC_DEFUN([CHECK_NONEMPTY],
49[
50    # Test that variable $1 is not empty.
51    if test "" = "[$]$1"; then AC_ERROR(Could not find translit($1,A-Z,a-z) !); fi
52])
53
54AC_DEFUN([ADD_JVM_ARG_IF_OK],
55[
56    # Test if $1 is a valid argument to $3 (often is $JAVA passed as $3)
57    # If so, then append $1 to $2
58    FOUND_WARN=`$3 $1 -version 2>&1 | grep -i warn`
59    FOUND_VERSION=`$3 $1 -version 2>&1 | grep " version \""`
60    if test "x$FOUND_VERSION" != x && test "x$FOUND_WARN" = x; then
61        $2="[$]$2 $1"
62    fi
63])
64
65AC_DEFUN([WHICHCMD],
66[
67    # Translate "gcc -E" into "`which gcc` -E" ie
68    # extract the full path to the binary and at the
69    # same time maintain any arguments passed to it.
70    # The command MUST exist in the path, or else!
71    tmp="[$]$1"
72    car="${tmp%% *}"
73    tmp="[$]$1 EOL"
74    cdr="${tmp#* }"
75    # On windows we want paths without spaces.
76    if test "x$BUILD_OS" = "xwindows"; then
77        WHICHCMD_SPACESAFE(car)
78    else
79        # "which" is not portable, but is used here
80        # because we know that the command exists!
81        car=`which $car`
82    fi
83    if test "x$cdr" != xEOL; then
84        $1="$car ${cdr% *}"
85    else
86        $1="$car"
87    fi
88])
89
90AC_DEFUN([SPACESAFE],
91[
92    # Fail with message $2 if var $1 contains a path with no spaces in it.
93    # Unless on Windows, where we can rewrite the path.
94    HAS_SPACE=`echo "[$]$1" | grep " "`
95    if test "x$HAS_SPACE" != x; then
96        if test "x$BUILD_OS" = "xwindows"; then
97            $1=`$CYGPATH -s -m -a "[$]$1"`
98            $1=`$CYGPATH -u "[$]$1"`            
99        else
100            AC_ERROR([You cannot have spaces in $2! "[$]$1"])
101        fi
102    fi
103])
104
105AC_DEFUN([WHICHCMD_SPACESAFE],
106[
107    # Translate long cygdrive or C:\sdfsf path
108    # into a short mixed mode path that has no
109    # spaces in it.
110    tmp="[$]$1"
111    if test "x$BUILD_OS" = "xwindows"; then
112        tmp=`$CYGPATH -u "[$]$1"`
113        tmp=`which "$tmp"`
114        # If file exists with .exe appended, that's the real filename
115        # and cygpath needs that to convert to short style path.
116        if test -f "${tmp}.exe"; then
117           tmp="${tmp}.exe"
118        elif test -f "${tmp}.cmd"; then
119           tmp="${tmp}.cmd"
120        fi
121        # Convert to C:/ mixed style path without spaces.
122         tmp=`$CYGPATH -s -m "$tmp"`
123    fi
124    $1="$tmp"
125])
126
127AC_DEFUN([REMOVE_SYMBOLIC_LINKS],
128[
129    if test "x$BUILD_OS" != xwindows; then
130        # Follow a chain of symbolic links. Use readlink
131        # where it exists, else fall back to horribly
132        # complicated shell code.
133        AC_PATH_PROG(READLINK, readlink)
134        if test "x$READLINK_TESTED" != yes; then
135            # On MacOSX there is a readlink tool with a different
136            # purpose than the GNU readlink tool. Check the found readlink.
137            ISGNU=`$READLINK --help 2>&1 | grep GNU`
138            if test "x$ISGNU" = x; then
139                 # A readlink that we do not know how to use.
140                 # Are there other non-GNU readlinks out there?
141                 READLINK_TESTED=yes
142                 READLINK=
143            fi
144        fi
145
146        if test "x$READLINK" != x; then
147            $1=`$READLINK -f [$]$1`
148        else
149            STARTDIR=$PWD
150            COUNTER=0
151            DIR=`dirname [$]$1`
152            FIL=`basename [$]$1`
153            while test $COUNTER -lt 20; do
154                ISLINK=`ls -l $DIR/$FIL | grep '\->' | sed -e 's/.*-> \(.*\)/\1/'`
155                if test "x$ISLINK" == x; then
156                    # This is not a symbolic link! We are done!
157                    break
158                fi
159                # The link might be relative! We have to use cd to travel safely.
160                cd $DIR
161                cd `dirname $ISLINK`
162                DIR=`pwd`
163                FIL=`basename $ISLINK`
164                let COUNTER=COUNTER+1
165            done
166            cd $STARTDIR
167            $1=$DIR/$FIL
168        fi
169    fi
170])
171
172AC_DEFUN([TESTFOR_PROG_CCACHE],
173[
174    AC_ARG_ENABLE([ccache],
175	      [AS_HELP_STRING([--disable-ccache],
176	      		      [use ccache to speed up recompilations @<:@enabled@:>@])],
177              [ENABLE_CCACHE=${enable_ccache}], [ENABLE_CCACHE=yes])
178    if test "x$ENABLE_CCACHE" = xyes; then
179        AC_PATH_PROG(CCACHE, ccache)
180    else
181        AC_MSG_CHECKING([for ccache])
182        AC_MSG_RESULT([explicitly disabled])    
183        CCACHE=
184    fi    
185    AC_SUBST(CCACHE)
186
187    AC_ARG_WITH([ccache-dir],
188	      [AS_HELP_STRING([--with-ccache-dir],
189	      		      [where to store ccache files @<:@~/.ccache@:>@])])
190
191    if test "x$with_ccache_dir" != x; then
192        # When using a non home ccache directory, assume the use is to share ccache files
193        # with other users. Thus change the umask.
194        SET_CCACHE_DIR="CCACHE_DIR=$with_ccache_dir CCACHE_UMASK=002"
195    fi
196    CCACHE_FOUND=""
197    if test "x$CCACHE" != x; then
198        SETUP_CCACHE_USAGE
199    fi    
200])
201
202AC_DEFUN([SETUP_CCACHE_USAGE],
203[
204    if test "x$CCACHE" != x; then
205        CCACHE_FOUND="true"
206        # Only use ccache if it is 3.1.4 or later, which supports
207        # precompiled headers.
208        AC_MSG_CHECKING([if ccache supports precompiled headers])
209        HAS_GOOD_CCACHE=`($CCACHE --version | head -n 1 | grep -E 3.1.@<:@456789@:>@) 2> /dev/null`
210        if test "x$HAS_GOOD_CCACHE" = x; then
211            AC_MSG_RESULT([no, disabling ccache])
212            CCACHE=
213        else
214            AC_MSG_RESULT([yes])
215            AC_MSG_CHECKING([if C-compiler supports ccache precompiled headers])
216            PUSHED_FLAGS="$CXXFLAGS"
217            CXXFLAGS="-fpch-preprocess $CXXFLAGS"
218            AC_TRY_COMPILE([], [], [CC_KNOWS_CCACHE_TRICK=yes], [CC_KNOWS_CCACHE_TRICK=no])
219            CXXFLAGS="$PUSHED_FLAGS"
220            if test "x$CC_KNOWS_CCACHE_TRICK" = xyes; then
221                AC_MSG_RESULT([yes])
222            else
223                AC_MSG_RESULT([no, disabling ccaching of precompiled headers])
224                CCACHE=
225            fi
226        fi
227    fi
228
229    if test "x$CCACHE" != x; then
230        CCACHE_SLOPPINESS=time_macros
231        CCACHE="CCACHE_COMPRESS=1 $SET_CCACHE_DIR CCACHE_SLOPPINESS=$CCACHE_SLOPPINESS $CCACHE"
232        CCACHE_FLAGS=-fpch-preprocess
233
234        if test "x$SET_CCACHE_DIR" != x; then
235            mkdir -p $CCACHE_DIR > /dev/null 2>&1
236	    chmod a+rwxs $CCACHE_DIR > /dev/null 2>&1
237        fi
238    fi
239])
240
241AC_DEFUN([EXTRACT_HOST_AND_BUILD_AND_LEGACY_VARS],
242[
243    # Expects $host_os $host_cpu $build_os and $build_cpu
244    # and $with_data_model to have been setup!
245    #
246    # Translate the standard triplet(quadruplet) definition
247    # of the host/build system into
248    # HOST_OS=aix,bsd,hpux,linux,macosx,solaris,windows
249    # HOST_OS_FAMILY=bsd,gnu,sysv,win32,wince
250    # HOST_OS_API=posix,winapi
251    # 
252    # HOST_CPU=ia32,x64,sparc,sparcv9,arm,arm64,ppc,ppc64
253    # HOST_CPU_ARCH=x86,sparc,pcc,arm
254    # HOST_CPU_BITS=32,64
255    # HOST_CPU_ENDIAN=big,little
256    #
257    # The same values are setup for BUILD_...
258    # 
259    # And the legacy variables, for controlling the old makefiles.
260    # LEGACY_HOST_CPU1=i586,amd64,sparc,sparcv9,arm,arm64...
261    # LEGACY_HOST_CPU2=i386,amd64,sparc,sparcv9,arm,arm64...
262    # LEGACY_HOST_CPU3=sparcv9,amd64 (but only on solaris)
263    # LEGACY_HOST_OS_API=solaris,windows
264    #
265    # We also copy the autoconf trip/quadruplet
266    # verbatim to HOST and BUILD
267    AC_SUBST(HOST, ${host})
268    AC_SUBST(BUILD, ${build})
269    
270    EXTRACT_VARS_FROM_OS_TO(HOST,$host_os)
271    EXTRACT_VARS_FROM_CPU_TO(HOST,$host_cpu)
272
273    EXTRACT_VARS_FROM_OS_TO(BUILD,$build_os)
274    EXTRACT_VARS_FROM_CPU_TO(BUILD,$build_cpu)
275
276    if test "x$HOST_OS" != xsolaris; then
277        LEGACY_HOST_CPU3=""
278        LEGACY_BUILD_CPU3=""
279    fi   
280])
281
282AC_DEFUN([EXTRACT_VARS_FROM_OS_TO],
283[
284    EXTRACT_VARS_FROM_OS($2)
285    $1_OS="$VAR_OS"
286    $1_OS_FAMILY="$VAR_OS_FAMILY"
287    $1_OS_API="$VAR_OS_API"
288
289    AC_SUBST($1_OS)
290    AC_SUBST($1_OS_FAMILY)
291    AC_SUBST($1_OS_API)
292
293    if test "x$$1_OS_API" = xposix; then
294        LEGACY_$1_OS_API="solaris"
295    fi
296    if test "x$$1_OS_API" = xwinapi; then
297        LEGACY_$1_OS_API="windows"
298    fi
299    AC_SUBST(LEGACY_$1_OS_API)    
300])
301
302AC_DEFUN([EXTRACT_VARS_FROM_CPU_TO],
303[
304    EXTRACT_VARS_FROM_CPU($2)
305    $1_CPU="$VAR_CPU"
306    $1_CPU_ARCH="$VAR_CPU_ARCH"
307    $1_CPU_BITS="$VAR_CPU_BITS"
308    $1_CPU_ENDIAN="$VAR_CPU_ENDIAN"
309
310    AC_SUBST($1_CPU)
311    AC_SUBST($1_CPU_ARCH)
312    AC_SUBST($1_CPU_BITS)
313    AC_SUBST($1_CPU_ENDIAN)
314    
315    # Also store the legacy naming of the cpu.
316    # Ie i586 and amd64 instead of ia32 and x64
317    LEGACY_$1_CPU1="$VAR_LEGACY_CPU"
318    AC_SUBST(LEGACY_$1_CPU1)
319
320    # And the second legacy naming of the cpu.
321    # Ie i386 and amd64 instead of ia32 and x64.
322    LEGACY_$1_CPU2="$LEGACY_$1_CPU1"
323    if test "x$LEGACY_$1_CPU1" = xi586; then 
324        LEGACY_$1_CPU2=i386
325    fi
326    AC_SUBST(LEGACY_$1_CPU2)
327
328    # And the third legacy naming of the cpu.
329    # Ie only amd64 or sparcv9, used for the ISA_DIR on Solaris.
330    LEGACY_$1_CPU3=""
331    if test "x$$1_CPU" = xx64; then 
332        LEGACY_$1_CPU3=amd64
333    fi
334    if test "x$$1_CPU" = xsparcv9; then 
335        LEGACY_$1_CPU3=sparvc9
336    fi
337    AC_SUBST(LEGACY_$1_CPU3)
338])
339
340AC_DEFUN([EXTRACT_VARS_FROM_CPU],
341[
342  # First argument is the cpu name from the trip/quad
343  case "$1" in
344    x86_64)
345      VAR_CPU=x64
346      VAR_CPU_ARCH=x86
347      VAR_CPU_BITS=64
348      VAR_CPU_ENDIAN=little
349      VAR_LEGACY_CPU=amd64
350      ;;
351    i?86)
352      VAR_CPU=ia32
353      VAR_CPU_ARCH=x86
354      VAR_CPU_BITS=32
355      VAR_CPU_ENDIAN=little
356      VAR_LEGACY_CPU=i586
357      ;;
358    alpha*)
359      VAR_CPU=alpha
360      VAR_CPU_ARCH=alpha
361      VAR_CPU_BITS=64
362      VAR_CPU_ENDIAN=big
363      VAR_LEGACY_CPU=alpha
364      ;;
365    arm*)
366      VAR_CPU=arm
367      VAR_CPU_ARCH=arm
368      VAR_CPU_BITS=3264
369      VAR_CPU_ENDIAN=big
370      VAR_LEGACY_CPU=arm
371      ;;
372    mips)
373      VAR_CPU=mips
374      VAR_CPU_ARCH=mips
375      VAR_CPU_BITS=woot
376      VAR_CPU_ENDIAN=woot
377      VAR_LEGACY_CPU=mips
378       ;;
379    mipsel)
380      VAR_CPU=mipsel
381      VAR_CPU_ARCH=mips
382      VAR_CPU_BITS=woot
383      VAR_CPU_ENDIAN=woot
384      VAR_LEGACY_CPU=mipsel
385       ;;
386    powerpc)
387      VAR_CPU=ppc
388      VAR_CPU_ARCH=ppc
389      VAR_CPU_BITS=32
390      VAR_CPU_ENDIAN=big
391      VAR_LEGACY_CPU=ppc
392       ;;
393    powerpc64)
394      VAR_CPU=ppc64
395      VAR_CPU_ARCH=ppc
396      VAR_CPU_BITS=64
397      VAR_CPU_ENDIAN=32
398      VAR_LEGACY_CPU=ppc64
399       ;;
400    sparc)
401      VAR_CPU=sparc
402      VAR_CPU_ARCH=sparc
403      VAR_CPU_BITS=32
404      VAR_CPU_ENDIAN=big
405      VAR_LEGACY_CPU=sparc
406       ;;
407    sparc64)
408      VAR_CPU=sparcv9
409      VAR_CPU_ARCH=sparc
410      VAR_CPU_BITS=64
411      VAR_CPU_ENDIAN=big
412      VAR_LEGACY_CPU=sparc_sparcv9
413       ;;
414    s390)
415      VAR_CPU=s390
416      VAR_CPU_ARCH=s390
417      VAR_CPU_BITS=32
418      VAR_CPU_ENDIAN=woot
419      VAR_LEGACY_CPU=s390
420      VAR_LEGACY_CPU=s390
421       ;;
422    s390x)
423      VAR_CPU=s390x
424      VAR_CPU_ARCH=s390
425      VAR_CPU_BITS=64
426      VAR_CPU_ENDIAN=woot
427      VAR_LEGACY_CPU=s390x
428       ;;
429    *)
430      AC_ERROR([unsupported cpu $1])
431      ;;
432  esac
433
434  # Workaround cygwin not knowing about 64 bit.
435  if test "x$VAR_OS" = "xwindows"; then
436      if test "x$PROCESSOR_IDENTIFIER" != "x"; then
437          PROC_ARCH=`echo $PROCESSOR_IDENTIFIER | $CUT -f1 -d' '`
438          case "$PROC_ARCH" in
439            intel64|Intel64|INTEL64|em64t|EM64T|amd64|AMD64|8664|x86_64)
440              VAR_CPU=x64
441              VAR_CPU_BITS=64
442              VAR_LEGACY_CPU=amd64
443              ;;
444          esac
445      fi
446  fi
447
448  if test "x$VAR_CPU_ARCH" = "xx86"; then
449      if test "x$with_data_model" = "x64"; then
450          VAR_CPU=x64
451          VAR_CPU_BITS=64
452          VAR_LEGACY_CPU=amd64
453      fi
454      if test "x$with_data_model" = "x32"; then
455          VAR_CPU=ia32
456          VAR_CPU_BITS=32
457          VAR_LEGACY_CPU=i586
458      fi
459  fi 
460])
461
462AC_DEFUN([EXTRACT_VARS_FROM_OS],
463[
464  case "$1" in
465    *linux*)
466      VAR_OS=linux
467      VAR_OS_API=posix
468      VAR_OS_FAMILY=gnu
469      ;;
470    *solaris*)
471      VAR_OS=solaris
472      VAR_OS_API=posix
473      VAR_OS_FAMILY=sysv
474      ;;
475    *darwin*)
476      VAR_OS=macosx
477      VAR_OS_API=posix
478      VAR_OS_FAMILY=bsd
479      ;;
480    *bsd*)
481      VAR_OS=bsd
482      VAR_OS_API=posix
483      VAR_OS_FAMILY=bsd
484      ;;
485    *cygwin*|*windows*)
486      VAR_OS=windows
487      VAR_OS_API=winapi
488      VAR_OS_FAMILY=windows
489      ;;
490    *)
491      AC_MSG_ERROR([unsupported host operating system $1])
492      ;;
493  esac
494])
495
496AC_DEFUN([CHECK_COMPILER_VERSION],
497[
498    # Test the compilers that their versions are new enough.
499#    AC_MSG_CHECKING([version of GCC])
500    gcc_ver=`${CC} -dumpversion`
501    gcc_major_ver=`echo ${gcc_ver}|cut -d'.' -f1`
502    gcc_minor_ver=`echo ${gcc_ver}|cut -d'.' -f2`
503#    AM_CONDITIONAL(GCC_OLD, test ! ${gcc_major_ver} -ge 4 -a ${gcc_minor_ver} -ge 3)
504#    AC_MSG_RESULT([${gcc_ver} (major version ${gcc_major_ver}, minor version ${gcc_minor_ver})])
505]) 
506
507# Fixes paths on windows hosts to be mixed mode short.
508AC_DEFUN([WIN_FIX_PATH],
509[
510    if test "x$BUILD_OS" = "xwindows"; then
511        AC_PATH_PROG(CYGPATH, cygpath)
512        tmp="[$]$1"
513        # Convert to C:/ mixed style path without spaces.
514        tmp=`$CYGPATH -s -m "$tmp"`
515        $1="$tmp"
516    fi
517])
518