basics.m4 revision 492:e64f2cb57d05
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([ADD_JVM_ARG_IF_OK],
27[
28    # Test if $1 is a valid argument to $3 (often is $JAVA passed as $3)
29    # If so, then append $1 to $2
30    FOUND_WARN=`$3 $1 -version 2>&1 | grep -i warn`
31    FOUND_VERSION=`$3 $1 -version 2>&1 | grep " version \""`
32    if test "x$FOUND_VERSION" != x && test "x$FOUND_WARN" = x; then
33        $2="[$]$2 $1"
34    fi
35])
36
37# This will make sure the given variable points to a full and proper
38# path. This means:
39# 1) There will be no spaces in the path. On posix platforms,
40#    spaces in the path will result in an error. On Windows,
41#    the path will be rewritten using short-style to be space-free.
42# 2) The path will be absolute, and it will be in unix-style (on
43#     cygwin).
44# $1: The name of the variable to fix
45AC_DEFUN([BASIC_FIXUP_PATH],
46[
47  if test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.cygwin"; then
48    BASIC_FIXUP_PATH_CYGWIN($1)
49  elif test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.msys"; then
50    BASIC_FIXUP_PATH_MSYS($1)
51  else
52    # We're on a posix platform. Hooray! :)
53    path="[$]$1"
54    
55    if test ! -f "$path" && test ! -d "$path"; then
56      AC_MSG_ERROR([The path of $1, which resolves as "$path", is not found.])
57    fi
58
59    has_space=`$ECHO "$path" | $GREP " "`
60    if test "x$has_space" != x; then
61      AC_MSG_NOTICE([The path of $1, which resolves as "$path", is invalid.])
62      AC_MSG_ERROR([Spaces are not allowed in this path.])
63    fi
64  fi
65])
66
67# This will make sure the given variable points to a executable
68# with a full and proper path. This means:
69# 1) There will be no spaces in the path. On posix platforms,
70#    spaces in the path will result in an error. On Windows,
71#    the path will be rewritten using short-style to be space-free.
72# 2) The path will be absolute, and it will be in unix-style (on
73#     cygwin).
74# Any arguments given to the executable is preserved.
75# If the input variable does not have a directory specification, then
76# it need to be in the PATH.
77# $1: The name of the variable to fix
78AC_DEFUN([BASIC_FIXUP_EXECUTABLE],
79[
80  if test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.cygwin"; then
81    BASIC_FIXUP_EXECUTABLE_CYGWIN($1)
82  elif test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.msys"; then
83    BASIC_FIXUP_EXECUTABLE_MSYS($1)
84  else
85    # We're on a posix platform. Hooray! :)
86    # First separate the path from the arguments. This will split at the first
87    # space.
88    complete="[$]$1"
89    path="${complete%% *}"
90    tmp="$complete EOL"
91    arguments="${tmp#* }"
92
93    new_path=`$WHICH $path 2> /dev/null`
94    if test "x$new_path" = x; then
95      is_absolute_path=`$ECHO "$path" | $GREP ^/`
96      if test "x$is_absolute_path" != x; then
97        AC_MSG_NOTICE([Resolving $1 (as $path) with 'which' failed, using $path directly.])
98        new_path="$path"
99      else
100        AC_MSG_NOTICE([The path of $1, which resolves as "$complete", is not found.])
101        has_space=`$ECHO "$complete" | $GREP " "`
102        if test "x$has_space" != x; then
103          AC_MSG_NOTICE([This might be caused by spaces in the path, which is not allowed.])
104        fi
105        AC_MSG_ERROR([Cannot locate the the path of $1])
106      fi
107    fi
108  fi
109
110  # Now join together the path and the arguments once again
111  if test "x$arguments" != xEOL; then
112      new_complete="$new_path ${arguments% *}"
113  else
114      new_complete="$new_path"
115  fi
116
117  if test "x$complete" != "x$new_complete"; then
118    $1="$new_complete"
119    AC_MSG_NOTICE([Rewriting $1 to "$new_complete"])
120  fi
121])
122
123AC_DEFUN([BASIC_REMOVE_SYMBOLIC_LINKS],
124[
125    if test "x$OPENJDK_BUILD_OS" != xwindows; then
126        # Follow a chain of symbolic links. Use readlink
127        # where it exists, else fall back to horribly
128        # complicated shell code.
129        if test "x$READLINK_TESTED" != yes; then
130            # On MacOSX there is a readlink tool with a different
131            # purpose than the GNU readlink tool. Check the found readlink.
132            ISGNU=`$READLINK --help 2>&1 | $GREP GNU`
133            if test "x$ISGNU" = x; then
134                 # A readlink that we do not know how to use.
135                 # Are there other non-GNU readlinks out there?
136                 READLINK_TESTED=yes
137                 READLINK=
138            fi
139        fi
140
141        if test "x$READLINK" != x; then
142            $1=`$READLINK -f [$]$1`
143        else
144            STARTDIR=$PWD
145            COUNTER=0
146            DIR=`$DIRNAME [$]$1`
147            FILE=`$BASENAME [$]$1`
148            while test $COUNTER -lt 20; do
149                ISLINK=`$LS -l $DIR/$FILE | $GREP '\->' | $SED -e 's/.*-> \(.*\)/\1/'`
150                if test "x$ISLINK" == x; then
151                    # This is not a symbolic link! We are done!
152                    break
153                fi
154                # The link might be relative! We have to use cd to travel safely.
155                cd $DIR
156                # ... and we must get the to the absolute path, not one using symbolic links.             
157                cd `pwd -P`
158                cd `$DIRNAME $ISLINK`
159                DIR=`$THEPWDCMD`
160                FILE=`$BASENAME $ISLINK`
161                let COUNTER=COUNTER+1
162            done
163            cd $STARTDIR
164            $1=$DIR/$FILE
165        fi
166    fi
167])
168
169AC_DEFUN_ONCE([BASIC_INIT],
170[
171# Save the original command line. This is passed to us by the wrapper configure script.
172AC_SUBST(CONFIGURE_COMMAND_LINE)
173DATE_WHEN_CONFIGURED=`LANG=C date`
174AC_SUBST(DATE_WHEN_CONFIGURED)
175AC_MSG_NOTICE([Configuration created at $DATE_WHEN_CONFIGURED.])
176AC_MSG_NOTICE([configure script generated at timestamp $DATE_WHEN_GENERATED.])
177])
178
179# Test that variable $1 denoting a program is not empty. If empty, exit with an error.
180# $1: variable to check
181# $2: executable name to print in warning (optional)
182AC_DEFUN([BASIC_CHECK_NONEMPTY],
183[
184    if test "x[$]$1" = x; then
185        if test "x$2" = x; then
186          PROG_NAME=translit($1,A-Z,a-z)
187        else
188          PROG_NAME=$2
189        fi
190        AC_MSG_NOTICE([Could not find $PROG_NAME!])
191        AC_MSG_ERROR([Cannot continue])
192    fi
193])
194
195# Does AC_PATH_PROG followed by BASIC_CHECK_NONEMPTY.
196# Arguments as AC_PATH_PROG:
197# $1: variable to set
198# $2: executable name to look for
199AC_DEFUN([BASIC_REQUIRE_PROG],
200[
201    AC_PATH_PROGS($1, $2)
202    BASIC_CHECK_NONEMPTY($1, $2)
203])
204
205# Setup the most fundamental tools that relies on not much else to set up,
206# but is used by much of the early bootstrap code.
207AC_DEFUN_ONCE([BASIC_SETUP_FUNDAMENTAL_TOOLS],
208[
209
210# Start with tools that do not need have cross compilation support
211# and can be expected to be found in the default PATH. These tools are
212# used by configure. Nor are these tools expected to be found in the
213# devkit from the builddeps server either, since they are
214# needed to download the devkit.
215
216# First are all the simple required tools.
217BASIC_REQUIRE_PROG(BASENAME, basename)
218BASIC_REQUIRE_PROG(BASH, bash)
219BASIC_REQUIRE_PROG(CAT, cat)
220BASIC_REQUIRE_PROG(CHMOD, chmod)
221BASIC_REQUIRE_PROG(CMP, cmp)
222BASIC_REQUIRE_PROG(CP, cp)
223BASIC_REQUIRE_PROG(CUT, cut)
224BASIC_REQUIRE_PROG(DATE, date)
225BASIC_REQUIRE_PROG(DIFF, [gdiff diff])
226BASIC_REQUIRE_PROG(DIRNAME, dirname)
227BASIC_REQUIRE_PROG(ECHO, echo)
228BASIC_REQUIRE_PROG(EXPR, expr)
229BASIC_REQUIRE_PROG(FILE, file)
230BASIC_REQUIRE_PROG(FIND, find)
231BASIC_REQUIRE_PROG(HEAD, head)
232BASIC_REQUIRE_PROG(LN, ln)
233BASIC_REQUIRE_PROG(LS, ls)
234BASIC_REQUIRE_PROG(MKDIR, mkdir)
235BASIC_REQUIRE_PROG(MKTEMP, mktemp)
236BASIC_REQUIRE_PROG(MV, mv)
237BASIC_REQUIRE_PROG(PRINTF, printf)
238BASIC_REQUIRE_PROG(THEPWDCMD, pwd)
239BASIC_REQUIRE_PROG(RM, rm)
240BASIC_REQUIRE_PROG(SH, sh)
241BASIC_REQUIRE_PROG(SORT, sort)
242BASIC_REQUIRE_PROG(TAIL, tail)
243BASIC_REQUIRE_PROG(TAR, tar)
244BASIC_REQUIRE_PROG(TEE, tee)
245BASIC_REQUIRE_PROG(TOUCH, touch)
246BASIC_REQUIRE_PROG(TR, tr)
247BASIC_REQUIRE_PROG(UNAME, uname)
248BASIC_REQUIRE_PROG(UNIQ, uniq)
249BASIC_REQUIRE_PROG(WC, wc)
250BASIC_REQUIRE_PROG(WHICH, which)
251BASIC_REQUIRE_PROG(XARGS, xargs)
252
253# Then required tools that require some special treatment.
254AC_PROG_AWK
255BASIC_CHECK_NONEMPTY(AWK)
256AC_PROG_GREP
257BASIC_CHECK_NONEMPTY(GREP)
258AC_PROG_EGREP
259BASIC_CHECK_NONEMPTY(EGREP)
260AC_PROG_FGREP
261BASIC_CHECK_NONEMPTY(FGREP)
262AC_PROG_SED
263BASIC_CHECK_NONEMPTY(SED)
264
265AC_PATH_PROGS(NAWK, [nawk gawk awk])
266BASIC_CHECK_NONEMPTY(NAWK)
267
268# Always force rm.
269RM="$RM -f"
270
271# These are not required on all platforms
272AC_PATH_PROG(CYGPATH, cygpath)
273AC_PATH_PROG(READLINK, readlink)
274AC_PATH_PROG(DF, df)
275AC_PATH_PROG(SETFILE, SetFile)
276])
277
278# Setup basic configuration paths, and platform-specific stuff related to PATHs.
279AC_DEFUN_ONCE([BASIC_SETUP_PATHS],
280[
281# Locate the directory of this script.
282SCRIPT="[$]0"
283BASIC_REMOVE_SYMBOLIC_LINKS(SCRIPT)
284AUTOCONF_DIR=`cd \`$DIRNAME $SCRIPT\`; $THEPWDCMD`
285
286# Where is the source? It is located two levels above the configure script.
287CURDIR="$PWD"
288cd "$AUTOCONF_DIR/../.."
289SRC_ROOT="`pwd`"
290
291if test "x$OPENJDK_TARGET_OS" = "xwindows"; then
292  PATH_SEP=";"
293  BASIC_CHECK_PATHS_WINDOWS
294else
295  PATH_SEP=":"
296fi
297
298AC_SUBST(SRC_ROOT)
299AC_SUBST(PATH_SEP)
300cd "$CURDIR"
301
302BASIC_FIXUP_PATH(SRC_ROOT)
303BASIC_FIXUP_PATH(CURDIR)
304
305if test "x$OPENJDK_BUILD_OS" = "xsolaris"; then
306    # Add extra search paths on solaris for utilities like ar and as etc...
307    PATH="$PATH:/usr/ccs/bin:/usr/sfw/bin:/opt/csw/bin"
308fi
309
310# You can force the sys-root if the sys-root encoded into the cross compiler tools
311# is not correct.
312AC_ARG_WITH(sys-root, [AS_HELP_STRING([--with-sys-root],
313  [pass this sys-root to the compilers and tools (for cross-compiling)])])
314
315if test "x$with_sys_root" != x; then
316  SYS_ROOT=$with_sys_root
317else
318  SYS_ROOT=/
319fi
320AC_SUBST(SYS_ROOT)
321
322AC_ARG_WITH([tools-dir], [AS_HELP_STRING([--with-tools-dir],
323  [search this directory for compilers and tools (for cross-compiling)])], [TOOLS_DIR=$with_tools_dir])
324
325AC_ARG_WITH([devkit], [AS_HELP_STRING([--with-devkit],
326  [use this directory as base for tools-dir and sys-root (for cross-compiling)])],
327  [
328    if test "x$with_sys_root" != x; then
329      AC_MSG_ERROR([Cannot specify both --with-devkit and --with-sys-root at the same time])
330    fi
331    if test "x$with_tools_dir" != x; then
332      AC_MSG_ERROR([Cannot specify both --with-devkit and --with-tools-dir at the same time])
333    fi
334    TOOLS_DIR=$with_devkit/bin
335    SYS_ROOT=$with_devkit/$host_alias/libc
336  ])
337
338])
339
340AC_DEFUN_ONCE([BASIC_SETUP_OUTPUT_DIR],
341[
342
343AC_MSG_CHECKING([what configuration name to use])
344AC_ARG_WITH(conf-name, [AS_HELP_STRING([--with-conf-name],
345	[use this as the name of the configuration @<:@generated from important configuration options@:>@])],
346        [ CONF_NAME=${with_conf_name} ])
347
348# Test from where we are running configure, in or outside of src root.
349if test "x$CURDIR" = "x$SRC_ROOT" || test "x$CURDIR" = "x$SRC_ROOT/common" || test "x$CURDIR" = "x$SRC_ROOT/common/autoconf" || test "x$CURDIR" = "x$SRC_ROOT/common/makefiles" ; then
350    # We are running configure from the src root.
351    # Create a default ./build/target-variant-debuglevel output root.
352    if test "x${CONF_NAME}" = x; then
353        CONF_NAME="${OPENJDK_TARGET_OS}-${OPENJDK_TARGET_CPU}-${JDK_VARIANT}-${ANDED_JVM_VARIANTS}-${DEBUG_LEVEL}"
354    fi
355    OUTPUT_ROOT="$SRC_ROOT/build/${CONF_NAME}"
356    $MKDIR -p "$OUTPUT_ROOT"
357    if test ! -d "$OUTPUT_ROOT"; then
358        AC_MSG_ERROR([Could not create build directory $OUTPUT_ROOT])
359    fi
360else
361    # We are running configure from outside of the src dir.
362    # Then use the current directory as output dir!
363    # If configuration is situated in normal build directory, just use the build
364    # directory name as configuration name, otherwise use the complete path.
365    if test "x${CONF_NAME}" = x; then
366        CONF_NAME=`$ECHO $CURDIR | $SED -e "s!^${SRC_ROOT}/build/!!"`
367    fi
368    OUTPUT_ROOT="$CURDIR"
369fi
370AC_MSG_RESULT([$CONF_NAME])
371
372BASIC_FIXUP_PATH(OUTPUT_ROOT)
373
374AC_SUBST(SPEC, $OUTPUT_ROOT/spec.gmk)
375AC_SUBST(CONF_NAME, $CONF_NAME)
376AC_SUBST(OUTPUT_ROOT, $OUTPUT_ROOT)
377
378# Most of the probed defines are put into config.h
379AC_CONFIG_HEADERS([$OUTPUT_ROOT/config.h:$AUTOCONF_DIR/config.h.in])
380# The spec.gmk file contains all variables for the make system.
381AC_CONFIG_FILES([$OUTPUT_ROOT/spec.gmk:$AUTOCONF_DIR/spec.gmk.in])
382# The hotspot-spec.gmk file contains legacy variables for the hotspot make system.
383AC_CONFIG_FILES([$OUTPUT_ROOT/hotspot-spec.gmk:$AUTOCONF_DIR/hotspot-spec.gmk.in])
384# The bootcycle-spec.gmk file contains support for boot cycle builds.
385AC_CONFIG_FILES([$OUTPUT_ROOT/bootcycle-spec.gmk:$AUTOCONF_DIR/bootcycle-spec.gmk.in])
386# The compare.sh is used to compare the build output to other builds.
387AC_CONFIG_FILES([$OUTPUT_ROOT/compare.sh:$AUTOCONF_DIR/compare.sh.in])
388# Spec.sh is currently used by compare-objects.sh
389AC_CONFIG_FILES([$OUTPUT_ROOT/spec.sh:$AUTOCONF_DIR/spec.sh.in])
390# The generated Makefile knows where the spec.gmk is and where the source is.
391# You can run make from the OUTPUT_ROOT, or from the top-level Makefile
392# which will look for generated configurations
393AC_CONFIG_FILES([$OUTPUT_ROOT/Makefile:$AUTOCONF_DIR/Makefile.in])
394
395# Save the arguments given to us
396echo "$CONFIGURE_COMMAND_LINE" > $OUTPUT_ROOT/configure-arguments
397])
398
399AC_DEFUN_ONCE([BASIC_SETUP_LOGGING],
400[
401# Setup default logging of stdout and stderr to build.log in the output root.
402BUILD_LOG='$(OUTPUT_ROOT)/build.log'
403BUILD_LOG_PREVIOUS='$(OUTPUT_ROOT)/build.log.old'
404BUILD_LOG_WRAPPER='$(BASH) $(SRC_ROOT)/common/bin/logger.sh $(BUILD_LOG)'
405AC_SUBST(BUILD_LOG)
406AC_SUBST(BUILD_LOG_PREVIOUS)
407AC_SUBST(BUILD_LOG_WRAPPER)
408])
409
410
411#%%% Simple tools %%%
412
413# Check if we have found a usable version of make
414# $1: the path to a potential make binary (or empty)
415# $2: the description on how we found this
416AC_DEFUN([BASIC_CHECK_MAKE_VERSION],
417[
418  MAKE_CANDIDATE="$1"
419  DESCRIPTION="$2"
420  if test "x$MAKE_CANDIDATE" != x; then
421    AC_MSG_NOTICE([Testing potential make at $MAKE_CANDIDATE, found using $DESCRIPTION])
422    MAKE_VERSION_STRING=`$MAKE_CANDIDATE --version | $HEAD -n 1`
423    IS_GNU_MAKE=`$ECHO $MAKE_VERSION_STRING | $GREP 'GNU Make'`
424    if test "x$IS_GNU_MAKE" = x; then
425      AC_MSG_NOTICE([Found potential make at $MAKE_CANDIDATE, however, this is not GNU Make. Ignoring.])
426    else
427      IS_MODERN_MAKE=`$ECHO $MAKE_VERSION_STRING | $GREP '3.8[[12346789]]'`
428      if test "x$IS_MODERN_MAKE" = x; then
429        AC_MSG_NOTICE([Found GNU make at $MAKE_CANDIDATE, however this is not version 3.81 or later. (it is: $MAKE_VERSION_STRING). Ignoring.])
430      else
431        if test "x$OPENJDK_BUILD_OS" = "xwindows"; then
432          if test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.cygwin"; then
433            MAKE_EXPECTED_ENV='cygwin'
434          elif test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.msys"; then
435            MAKE_EXPECTED_ENV='msys'
436          else
437            AC_MSG_ERROR([Unknown Windows environment])
438          fi
439          MAKE_BUILT_FOR=`$MAKE_CANDIDATE --version | $GREP -i 'built for'`
440          IS_MAKE_CORRECT_ENV=`$ECHO $MAKE_BUILT_FOR | $GREP $MAKE_EXPECTED_ENV`
441        else
442          # Not relevant for non-Windows
443          IS_MAKE_CORRECT_ENV=true
444        fi
445        if test "x$IS_MAKE_CORRECT_ENV" = x; then
446          AC_MSG_NOTICE([Found GNU make version $MAKE_VERSION_STRING at $MAKE_CANDIDATE, but it is not for $MAKE_EXPECTED_ENV (it says: $MAKE_BUILT_FOR). Ignoring.])
447        else
448          FOUND_MAKE=$MAKE_CANDIDATE
449          BASIC_FIXUP_EXECUTABLE(FOUND_MAKE)
450        fi
451      fi
452    fi
453  fi
454])
455
456# Goes looking for a usable version of GNU make.
457AC_DEFUN([BASIC_CHECK_GNU_MAKE],
458[
459  # We need to find a recent version of GNU make. Especially on Solaris, this can be tricky.
460  if test "x$MAKE" != x; then
461    # User has supplied a make, test it.
462    if test ! -f "$MAKE"; then
463      AC_MSG_ERROR([The specified make (by MAKE=$MAKE) is not found.])
464    fi
465    BASIC_CHECK_MAKE_VERSION("$MAKE", [user supplied MAKE=$MAKE])
466    if test "x$FOUND_MAKE" = x; then
467      AC_MSG_ERROR([The specified make (by MAKE=$MAKE) is not GNU make 3.81 or newer.])
468    fi
469  else
470    # Try our hardest to locate a correct version of GNU make
471    AC_PATH_PROGS(CHECK_GMAKE, gmake)
472    BASIC_CHECK_MAKE_VERSION("$CHECK_GMAKE", [gmake in PATH])
473
474    if test "x$FOUND_MAKE" = x; then
475      AC_PATH_PROGS(CHECK_MAKE, make)
476      BASIC_CHECK_MAKE_VERSION("$CHECK_MAKE", [make in PATH])
477    fi
478
479    if test "x$FOUND_MAKE" = x; then
480      if test "x$TOOLS_DIR" != x; then
481        # We have a tools-dir, check that as well before giving up.
482        OLD_PATH=$PATH
483        PATH=$TOOLS_DIR:$PATH
484        AC_PATH_PROGS(CHECK_TOOLSDIR_GMAKE, gmake)
485        BASIC_CHECK_MAKE_VERSION("$CHECK_TOOLSDIR_GMAKE", [gmake in tools-dir])
486        if test "x$FOUND_MAKE" = x; then
487          AC_PATH_PROGS(CHECK_TOOLSDIR_MAKE, make)
488          BASIC_CHECK_MAKE_VERSION("$CHECK_TOOLSDIR_MAKE", [make in tools-dir])
489        fi
490        PATH=$OLD_PATH
491      fi
492    fi
493
494    if test "x$FOUND_MAKE" = x; then
495      AC_MSG_ERROR([Cannot find GNU make 3.81 or newer! Please put it in the path, or add e.g. MAKE=/opt/gmake3.81/make as argument to configure.])
496    fi
497  fi
498
499  MAKE=$FOUND_MAKE
500  AC_SUBST(MAKE)
501  AC_MSG_NOTICE([Using GNU make 3.81 (or later) at $FOUND_MAKE (version: $MAKE_VERSION_STRING)])
502])
503
504AC_DEFUN([BASIC_CHECK_FIND_DELETE],
505[
506    # Test if find supports -delete
507    AC_MSG_CHECKING([if find supports -delete])
508    FIND_DELETE="-delete"
509
510    DELETEDIR=`$MKTEMP -d tmp.XXXXXXXXXX` || (echo Could not create temporary directory!; exit $?)
511
512    echo Hejsan > $DELETEDIR/TestIfFindSupportsDelete
513
514    TEST_DELETE=`$FIND "$DELETEDIR" -name TestIfFindSupportsDelete $FIND_DELETE 2>&1`
515    if test -f $DELETEDIR/TestIfFindSupportsDelete; then
516        # No, it does not.
517        rm $DELETEDIR/TestIfFindSupportsDelete
518        FIND_DELETE="-exec rm \{\} \+"
519        AC_MSG_RESULT([no])    
520    else
521        AC_MSG_RESULT([yes])    
522    fi
523    rmdir $DELETEDIR
524    AC_SUBST(FIND_DELETE)
525])
526
527AC_DEFUN_ONCE([BASIC_SETUP_COMPLEX_TOOLS],
528[
529BASIC_CHECK_GNU_MAKE
530
531BASIC_CHECK_FIND_DELETE
532
533# These tools might not be installed by default, 
534# need hint on how to install them.
535BASIC_REQUIRE_PROG(UNZIP, unzip)
536BASIC_REQUIRE_PROG(ZIP, zip)
537
538# Non-required basic tools
539
540AC_PATH_PROG(LDD, ldd)
541if test "x$LDD" = "x"; then
542    # List shared lib dependencies is used for
543    # debug output and checking for forbidden dependencies.
544    # We can build without it.
545    LDD="true"
546fi
547AC_PATH_PROG(OTOOL, otool)
548if test "x$OTOOL" = "x"; then
549   OTOOL="true"
550fi
551AC_PATH_PROGS(READELF, [readelf greadelf])
552AC_PATH_PROG(HG, hg)
553AC_PATH_PROG(STAT, stat)
554AC_PATH_PROG(TIME, time)
555
556if test "x$OPENJDK_TARGET_OS" = "xwindows"; then
557  BASIC_REQUIRE_PROG(COMM, comm)
558fi
559])
560
561# Check if build directory is on local disk. If not possible to determine,
562# we prefer to claim it's local.
563# Argument 1: directory to test
564# Argument 2: what to do if it is on local disk
565# Argument 3: what to do otherwise (remote disk or failure)
566AC_DEFUN([BASIC_CHECK_DIR_ON_LOCAL_DISK],
567[
568	# df -l lists only local disks; if the given directory is not found then
569	# a non-zero exit code is given
570  if test "x$DF" = x; then
571    if test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.msys"; then
572      # msys does not have df; use Windows "net use" instead.
573      IS_NETWORK_DISK=`net use | grep \`pwd -W | cut -d ":" -f 1 | tr a-z A-Z\`:`
574      if test "x$IS_NETWORK_DISK" = x; then
575        $2
576      else
577        $3
578      fi
579    else
580      # No df here, say it's local
581      $2
582    fi
583  else
584    if $DF -l $1 > /dev/null 2>&1; then
585      $2
586    else
587      $3
588    fi
589  fi
590])
591
592AC_DEFUN_ONCE([BASIC_TEST_USABILITY_ISSUES],
593[
594
595AC_MSG_CHECKING([if build directory is on local disk])
596BASIC_CHECK_DIR_ON_LOCAL_DISK($OUTPUT_ROOT,
597  [OUTPUT_DIR_IS_LOCAL="yes"],
598  [OUTPUT_DIR_IS_LOCAL="no"])
599AC_MSG_RESULT($OUTPUT_DIR_IS_LOCAL)
600
601# Check if the user has any old-style ALT_ variables set.
602FOUND_ALT_VARIABLES=`env | grep ^ALT_`
603
604# Before generating output files, test if they exist. If they do, this is a reconfigure.
605# Since we can't properly handle the dependencies for this, warn the user about the situation
606if test -e $OUTPUT_ROOT/spec.gmk; then
607  IS_RECONFIGURE=yes
608else
609  IS_RECONFIGURE=no
610fi
611
612if test -e $SRC_ROOT/build/.hide-configure-performance-hints; then
613  HIDE_PERFORMANCE_HINTS=yes
614else
615  HIDE_PERFORMANCE_HINTS=no
616  # Hide it the next time around...
617  $TOUCH $SRC_ROOT/build/.hide-configure-performance-hints > /dev/null 2>&1
618fi
619
620])
621