basics.m4 revision 715:e247ee3924d5
1#
2# Copyright (c) 2011, 2013, 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# Test if $1 is a valid argument to $3 (often is $JAVA passed as $3)
27# If so, then append $1 to $2\
28# Also set JVM_ARG_OK to true/false depending on outcome.
29AC_DEFUN([ADD_JVM_ARG_IF_OK],
30[
31    $ECHO "Check if jvm arg is ok: $1" >&AS_MESSAGE_LOG_FD
32    $ECHO "Command: $3 $1 -version" >&AS_MESSAGE_LOG_FD
33    OUTPUT=`$3 $1 -version 2>&1`
34    FOUND_WARN=`$ECHO "$OUTPUT" | grep -i warn`
35    FOUND_VERSION=`$ECHO $OUTPUT | grep " version \""`
36    if test "x$FOUND_VERSION" != x && test "x$FOUND_WARN" = x; then
37        $2="[$]$2 $1"
38	JVM_ARG_OK=true
39    else
40	$ECHO "Arg failed:" >&AS_MESSAGE_LOG_FD
41	$ECHO "$OUTPUT" >&AS_MESSAGE_LOG_FD
42	JVM_ARG_OK=false
43    fi
44])
45
46# This will make sure the given variable points to a full and proper
47# path. This means:
48# 1) There will be no spaces in the path. On posix platforms,
49#    spaces in the path will result in an error. On Windows,
50#    the path will be rewritten using short-style to be space-free.
51# 2) The path will be absolute, and it will be in unix-style (on
52#     cygwin).
53# $1: The name of the variable to fix
54AC_DEFUN([BASIC_FIXUP_PATH],
55[
56  if test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.cygwin"; then
57    BASIC_FIXUP_PATH_CYGWIN($1)
58  elif test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.msys"; then
59    BASIC_FIXUP_PATH_MSYS($1)
60  else
61    # We're on a posix platform. Hooray! :)
62    path="[$]$1"
63    
64    if test ! -f "$path" && test ! -d "$path"; then
65      AC_MSG_ERROR([The path of $1, which resolves as "$path", is not found.])
66    fi
67
68    has_space=`$ECHO "$path" | $GREP " "`
69    if test "x$has_space" != x; then
70      AC_MSG_NOTICE([The path of $1, which resolves as "$path", is invalid.])
71      AC_MSG_ERROR([Spaces are not allowed in this path.])
72    fi
73  fi
74])
75
76# This will make sure the given variable points to a executable
77# with a full and proper path. This means:
78# 1) There will be no spaces in the path. On posix platforms,
79#    spaces in the path will result in an error. On Windows,
80#    the path will be rewritten using short-style to be space-free.
81# 2) The path will be absolute, and it will be in unix-style (on
82#     cygwin).
83# Any arguments given to the executable is preserved.
84# If the input variable does not have a directory specification, then
85# it need to be in the PATH.
86# $1: The name of the variable to fix
87AC_DEFUN([BASIC_FIXUP_EXECUTABLE],
88[
89  if test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.cygwin"; then
90    BASIC_FIXUP_EXECUTABLE_CYGWIN($1)
91  elif test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.msys"; then
92    BASIC_FIXUP_EXECUTABLE_MSYS($1)
93  else
94    # We're on a posix platform. Hooray! :)
95    # First separate the path from the arguments. This will split at the first
96    # space.
97    complete="[$]$1"
98    path="${complete%% *}"
99    tmp="$complete EOL"
100    arguments="${tmp#* }"
101
102    # Cannot rely on the command "which" here since it doesn't always work.
103    is_absolute_path=`$ECHO "$path" | $GREP ^/`
104    if test -z "$is_absolute_path"; then
105      # Path to executable is not absolute. Find it.
106      IFS_save="$IFS"
107      IFS=:
108      for p in $PATH; do
109        if test -f "$p/$path" && test -x "$p/$path"; then
110          new_path="$p/$path"
111          break
112        fi
113      done
114      IFS="$IFS_save"
115    else
116      AC_MSG_NOTICE([Resolving $1 (as $path) failed, using $path directly.])
117      new_path="$path"
118    fi
119    
120    if test "x$new_path" = x; then
121        AC_MSG_NOTICE([The path of $1, which resolves as "$complete", is not found.])
122        has_space=`$ECHO "$complete" | $GREP " "`
123        if test "x$has_space" != x; then
124          AC_MSG_NOTICE([This might be caused by spaces in the path, which is not allowed.])
125        fi
126        AC_MSG_ERROR([Cannot locate the the path of $1])
127      fi
128  fi
129
130      # Now join together the path and the arguments once again
131      if test "x$arguments" != xEOL; then
132        new_complete="$new_path ${arguments% *}"
133      else
134        new_complete="$new_path"
135      fi
136
137  if test "x$complete" != "x$new_complete"; then
138      $1="$new_complete"
139      AC_MSG_NOTICE([Rewriting $1 to "$new_complete"])
140    fi
141])
142
143AC_DEFUN([BASIC_REMOVE_SYMBOLIC_LINKS],
144[
145    if test "x$OPENJDK_BUILD_OS" != xwindows; then
146        # Follow a chain of symbolic links. Use readlink
147        # where it exists, else fall back to horribly
148        # complicated shell code.
149        if test "x$READLINK_TESTED" != yes; then
150            # On MacOSX there is a readlink tool with a different
151            # purpose than the GNU readlink tool. Check the found readlink.
152            ISGNU=`$READLINK --version 2>&1 | $GREP GNU`
153            if test "x$ISGNU" = x; then
154                 # A readlink that we do not know how to use.
155                 # Are there other non-GNU readlinks out there?
156                 READLINK_TESTED=yes
157                 READLINK=
158            fi
159        fi
160
161        if test "x$READLINK" != x; then
162            $1=`$READLINK -f [$]$1`
163        else
164            # Save the current directory for restoring afterwards
165            STARTDIR=$PWD
166            COUNTER=0
167            sym_link_dir=`$DIRNAME [$]$1`
168            sym_link_file=`$BASENAME [$]$1`
169            # Use the system pwd and not the shell builtin to resolve directory symlinks
170            cd $sym_link_dir
171            cd `$THEPWDCMD`
172            sym_link_dir=`$THEPWDCMD`
173            # Resolve file symlinks
174            while test $COUNTER -lt 20; do
175                ISLINK=`$LS -l $sym_link_dir/$sym_link_file | $GREP '\->' | $SED -e 's/.*-> \(.*\)/\1/'`
176                if test "x$ISLINK" == x; then
177                    # This is not a symbolic link! We are done!
178                    break
179                fi
180                # Again resolve directory symlinks since the target of the just found
181                # link could be in a different directory
182                cd `$DIRNAME $ISLINK`
183                sym_link_dir=`$THEPWDCMD`
184                sym_link_file=`$BASENAME $ISLINK`
185                let COUNTER=COUNTER+1
186            done
187            cd $STARTDIR
188            $1=$sym_link_dir/$sym_link_file
189        fi
190    fi
191])
192
193AC_DEFUN_ONCE([BASIC_INIT],
194[
195# Save the original command line. This is passed to us by the wrapper configure script.
196AC_SUBST(CONFIGURE_COMMAND_LINE)
197DATE_WHEN_CONFIGURED=`LANG=C date`
198AC_SUBST(DATE_WHEN_CONFIGURED)
199AC_MSG_NOTICE([Configuration created at $DATE_WHEN_CONFIGURED.])
200AC_MSG_NOTICE([configure script generated at timestamp $DATE_WHEN_GENERATED.])
201])
202
203# Test that variable $1 denoting a program is not empty. If empty, exit with an error.
204# $1: variable to check
205# $2: executable name to print in warning (optional)
206AC_DEFUN([BASIC_CHECK_NONEMPTY],
207[
208    if test "x[$]$1" = x; then
209        if test "x$2" = x; then
210          PROG_NAME=translit($1,A-Z,a-z)
211        else
212          PROG_NAME=$2
213        fi
214        AC_MSG_NOTICE([Could not find $PROG_NAME!])
215        AC_MSG_ERROR([Cannot continue])
216    fi
217])
218
219# Does AC_PATH_PROG followed by BASIC_CHECK_NONEMPTY.
220# Arguments as AC_PATH_PROG:
221# $1: variable to set
222# $2: executable name to look for
223AC_DEFUN([BASIC_REQUIRE_PROG],
224[
225    AC_PATH_PROGS($1, $2)
226    BASIC_CHECK_NONEMPTY($1, $2)
227])
228
229# Setup the most fundamental tools that relies on not much else to set up,
230# but is used by much of the early bootstrap code.
231AC_DEFUN_ONCE([BASIC_SETUP_FUNDAMENTAL_TOOLS],
232[
233
234# Start with tools that do not need have cross compilation support
235# and can be expected to be found in the default PATH. These tools are
236# used by configure. Nor are these tools expected to be found in the
237# devkit from the builddeps server either, since they are
238# needed to download the devkit.
239
240# First are all the simple required tools.
241BASIC_REQUIRE_PROG(BASENAME, basename)
242BASIC_REQUIRE_PROG(BASH, bash)
243BASIC_REQUIRE_PROG(CAT, cat)
244BASIC_REQUIRE_PROG(CHMOD, chmod)
245BASIC_REQUIRE_PROG(CMP, cmp)
246BASIC_REQUIRE_PROG(COMM, comm)
247BASIC_REQUIRE_PROG(CP, cp)
248BASIC_REQUIRE_PROG(CPIO, cpio)
249BASIC_REQUIRE_PROG(CUT, cut)
250BASIC_REQUIRE_PROG(DATE, date)
251BASIC_REQUIRE_PROG(DIFF, [gdiff diff])
252BASIC_REQUIRE_PROG(DIRNAME, dirname)
253BASIC_REQUIRE_PROG(ECHO, echo)
254BASIC_REQUIRE_PROG(EXPR, expr)
255BASIC_REQUIRE_PROG(FILE, file)
256BASIC_REQUIRE_PROG(FIND, find)
257BASIC_REQUIRE_PROG(HEAD, head)
258BASIC_REQUIRE_PROG(LN, ln)
259BASIC_REQUIRE_PROG(LS, ls)
260BASIC_REQUIRE_PROG(MKDIR, mkdir)
261BASIC_REQUIRE_PROG(MKTEMP, mktemp)
262BASIC_REQUIRE_PROG(MV, mv)
263BASIC_REQUIRE_PROG(PRINTF, printf)
264BASIC_REQUIRE_PROG(THEPWDCMD, pwd)
265BASIC_REQUIRE_PROG(RM, rm)
266BASIC_REQUIRE_PROG(SH, sh)
267BASIC_REQUIRE_PROG(SORT, sort)
268BASIC_REQUIRE_PROG(TAIL, tail)
269BASIC_REQUIRE_PROG(TAR, tar)
270BASIC_REQUIRE_PROG(TEE, tee)
271BASIC_REQUIRE_PROG(TOUCH, touch)
272BASIC_REQUIRE_PROG(TR, tr)
273BASIC_REQUIRE_PROG(UNAME, uname)
274BASIC_REQUIRE_PROG(UNIQ, uniq)
275BASIC_REQUIRE_PROG(WC, wc)
276BASIC_REQUIRE_PROG(WHICH, which)
277BASIC_REQUIRE_PROG(XARGS, xargs)
278
279# Then required tools that require some special treatment.
280AC_PROG_AWK
281BASIC_CHECK_NONEMPTY(AWK)
282AC_PROG_GREP
283BASIC_CHECK_NONEMPTY(GREP)
284AC_PROG_EGREP
285BASIC_CHECK_NONEMPTY(EGREP)
286AC_PROG_FGREP
287BASIC_CHECK_NONEMPTY(FGREP)
288AC_PROG_SED
289BASIC_CHECK_NONEMPTY(SED)
290
291AC_PATH_PROGS(NAWK, [nawk gawk awk])
292BASIC_CHECK_NONEMPTY(NAWK)
293
294# Always force rm.
295RM="$RM -f"
296
297# These are not required on all platforms
298AC_PATH_PROG(CYGPATH, cygpath)
299AC_PATH_PROG(READLINK, readlink)
300AC_PATH_PROG(DF, df)
301AC_PATH_PROG(SETFILE, SetFile)
302])
303
304# Setup basic configuration paths, and platform-specific stuff related to PATHs.
305AC_DEFUN_ONCE([BASIC_SETUP_PATHS],
306[
307# Locate the directory of this script.
308SCRIPT="[$]0"
309BASIC_REMOVE_SYMBOLIC_LINKS(SCRIPT)
310AUTOCONF_DIR=`cd \`$DIRNAME $SCRIPT\`; $THEPWDCMD`
311
312# Where is the source? It is located two levels above the configure script.
313CURDIR="$PWD"
314cd "$AUTOCONF_DIR/../.."
315SRC_ROOT="`$THEPWDCMD`"
316
317if test "x$OPENJDK_TARGET_OS" = "xwindows"; then
318  PATH_SEP=";"
319  BASIC_CHECK_PATHS_WINDOWS
320else
321  PATH_SEP=":"
322fi
323
324AC_SUBST(SRC_ROOT)
325AC_SUBST(PATH_SEP)
326cd "$CURDIR"
327
328BASIC_FIXUP_PATH(SRC_ROOT)
329BASIC_FIXUP_PATH(CURDIR)
330
331if test "x$OPENJDK_BUILD_OS" = "xsolaris"; then
332    # Add extra search paths on solaris for utilities like ar and as etc...
333    PATH="$PATH:/usr/ccs/bin:/usr/sfw/bin:/opt/csw/bin"
334fi
335
336# You can force the sys-root if the sys-root encoded into the cross compiler tools
337# is not correct.
338AC_ARG_WITH(sys-root, [AS_HELP_STRING([--with-sys-root],
339  [pass this sys-root to the compilers and tools (for cross-compiling)])])
340
341if test "x$with_sys_root" != x; then
342  SYS_ROOT=$with_sys_root
343else
344  SYS_ROOT=/
345fi
346AC_SUBST(SYS_ROOT)
347
348AC_ARG_WITH([tools-dir], [AS_HELP_STRING([--with-tools-dir],
349  [search this directory for compilers and tools (for cross-compiling)])], [TOOLS_DIR=$with_tools_dir])
350
351AC_ARG_WITH([devkit], [AS_HELP_STRING([--with-devkit],
352  [use this directory as base for tools-dir and sys-root (for cross-compiling)])],
353  [
354    if test "x$with_sys_root" != x; then
355      AC_MSG_ERROR([Cannot specify both --with-devkit and --with-sys-root at the same time])
356    fi
357    if test "x$with_tools_dir" != x; then
358      AC_MSG_ERROR([Cannot specify both --with-devkit and --with-tools-dir at the same time])
359    fi
360    TOOLS_DIR=$with_devkit/bin
361    SYS_ROOT=$with_devkit/$host_alias/libc
362  ])
363
364])
365
366AC_DEFUN_ONCE([BASIC_SETUP_OUTPUT_DIR],
367[
368
369AC_ARG_WITH(conf-name, [AS_HELP_STRING([--with-conf-name],
370	[use this as the name of the configuration @<:@generated from important configuration options@:>@])],
371        [ CONF_NAME=${with_conf_name} ])
372
373# Test from where we are running configure, in or outside of src root.
374# To enable comparison of directories, CURDIR needs to be symlink free
375# just like SRC_ROOT already is
376NOSYM_CURDIR="$CURDIR"
377BASIC_REMOVE_SYMBOLIC_LINKS(NOSYM_CURDIR)
378if test "x$NOSYM_CURDIR" = "x$SRC_ROOT" || test "x$NOSYM_CURDIR" = "x$SRC_ROOT/common" \
379        || test "x$NOSYM_CURDIR" = "x$SRC_ROOT/common/autoconf" \
380        || test "x$NOSYM_CURDIR" = "x$SRC_ROOT/common/makefiles" ; then
381    # We are running configure from the src root.
382    # Create a default ./build/target-variant-debuglevel output root.
383    if test "x${CONF_NAME}" = x; then
384        CONF_NAME="${OPENJDK_TARGET_OS}-${OPENJDK_TARGET_CPU}-${JDK_VARIANT}-${ANDED_JVM_VARIANTS}-${DEBUG_LEVEL}"
385    fi
386    OUTPUT_ROOT="$SRC_ROOT/build/${CONF_NAME}"
387    $MKDIR -p "$OUTPUT_ROOT"
388    if test ! -d "$OUTPUT_ROOT"; then
389        AC_MSG_ERROR([Could not create build directory $OUTPUT_ROOT])
390    fi
391else
392    # We are running configure from outside of the src dir.
393    # Then use the current directory as output dir!
394    # If configuration is situated in normal build directory, just use the build
395    # directory name as configuration name, otherwise use the complete path.
396    if test "x${CONF_NAME}" = x; then
397        CONF_NAME=`$ECHO $CURDIR | $SED -e "s!^${SRC_ROOT}/build/!!"`
398    fi
399    OUTPUT_ROOT="$CURDIR"
400
401    # WARNING: This might be a bad thing to do. You need to be sure you want to
402    # have a configuration in this directory. Do some sanity checks!
403
404    if test ! -e "$OUTPUT_ROOT/spec.gmk"; then
405      # If we have a spec.gmk, we have run here before and we are OK. Otherwise, check for
406      # other files
407      files_present=`$LS $OUTPUT_ROOT`
408      # Configure has already touched config.log and confdefs.h in the current dir when this check 
409      # is performed.
410      filtered_files=`$ECHO "$files_present" | $SED -e 's/config.log//g' -e 's/confdefs.h//g' -e 's/ //g' \
411                                             | $TR -d '\n'`
412      if test "x$filtered_files" != x; then
413        AC_MSG_NOTICE([Current directory is $CURDIR.])
414        AC_MSG_NOTICE([Since this is not the source root, configure will output the configuration here])
415        AC_MSG_NOTICE([(as opposed to creating a configuration in <src_root>/build/<conf-name>).])
416        AC_MSG_NOTICE([However, this directory is not empty. This is not allowed, since it could])
417        AC_MSG_NOTICE([seriously mess up just about everything.])
418        AC_MSG_NOTICE([Try 'cd $SRC_ROOT' and restart configure])
419        AC_MSG_NOTICE([(or create a new empty directory and cd to it).])
420        AC_MSG_ERROR([Will not continue creating configuration in $CURDIR])
421      fi
422    fi
423fi
424AC_MSG_CHECKING([what configuration name to use])
425AC_MSG_RESULT([$CONF_NAME])
426
427BASIC_FIXUP_PATH(OUTPUT_ROOT)
428
429AC_SUBST(SPEC, $OUTPUT_ROOT/spec.gmk)
430AC_SUBST(CONF_NAME, $CONF_NAME)
431AC_SUBST(OUTPUT_ROOT, $OUTPUT_ROOT)
432
433# Most of the probed defines are put into config.h
434AC_CONFIG_HEADERS([$OUTPUT_ROOT/config.h:$AUTOCONF_DIR/config.h.in])
435# The spec.gmk file contains all variables for the make system.
436AC_CONFIG_FILES([$OUTPUT_ROOT/spec.gmk:$AUTOCONF_DIR/spec.gmk.in])
437# The hotspot-spec.gmk file contains legacy variables for the hotspot make system.
438AC_CONFIG_FILES([$OUTPUT_ROOT/hotspot-spec.gmk:$AUTOCONF_DIR/hotspot-spec.gmk.in])
439# The bootcycle-spec.gmk file contains support for boot cycle builds.
440AC_CONFIG_FILES([$OUTPUT_ROOT/bootcycle-spec.gmk:$AUTOCONF_DIR/bootcycle-spec.gmk.in])
441# The compare.sh is used to compare the build output to other builds.
442AC_CONFIG_FILES([$OUTPUT_ROOT/compare.sh:$AUTOCONF_DIR/compare.sh.in])
443# Spec.sh is currently used by compare-objects.sh
444AC_CONFIG_FILES([$OUTPUT_ROOT/spec.sh:$AUTOCONF_DIR/spec.sh.in])
445# The generated Makefile knows where the spec.gmk is and where the source is.
446# You can run make from the OUTPUT_ROOT, or from the top-level Makefile
447# which will look for generated configurations
448AC_CONFIG_FILES([$OUTPUT_ROOT/Makefile:$AUTOCONF_DIR/Makefile.in])
449
450# Save the arguments given to us
451echo "$CONFIGURE_COMMAND_LINE" > $OUTPUT_ROOT/configure-arguments
452])
453
454AC_DEFUN_ONCE([BASIC_SETUP_LOGGING],
455[
456# Setup default logging of stdout and stderr to build.log in the output root.
457BUILD_LOG='$(OUTPUT_ROOT)/build.log'
458BUILD_LOG_PREVIOUS='$(OUTPUT_ROOT)/build.log.old'
459BUILD_LOG_WRAPPER='$(BASH) $(SRC_ROOT)/common/bin/logger.sh $(BUILD_LOG)'
460AC_SUBST(BUILD_LOG)
461AC_SUBST(BUILD_LOG_PREVIOUS)
462AC_SUBST(BUILD_LOG_WRAPPER)
463])
464
465
466#%%% Simple tools %%%
467
468# Check if we have found a usable version of make
469# $1: the path to a potential make binary (or empty)
470# $2: the description on how we found this
471AC_DEFUN([BASIC_CHECK_MAKE_VERSION],
472[
473  MAKE_CANDIDATE="$1"
474  DESCRIPTION="$2"
475  if test "x$MAKE_CANDIDATE" != x; then
476    AC_MSG_NOTICE([Testing potential make at $MAKE_CANDIDATE, found using $DESCRIPTION])
477    MAKE_VERSION_STRING=`$MAKE_CANDIDATE --version | $HEAD -n 1`
478    IS_GNU_MAKE=`$ECHO $MAKE_VERSION_STRING | $GREP 'GNU Make'`
479    if test "x$IS_GNU_MAKE" = x; then
480      AC_MSG_NOTICE([Found potential make at $MAKE_CANDIDATE, however, this is not GNU Make. Ignoring.])
481    else
482      IS_MODERN_MAKE=`$ECHO $MAKE_VERSION_STRING | $GREP '3.8[[12346789]]'`
483      if test "x$IS_MODERN_MAKE" = x; then
484        AC_MSG_NOTICE([Found GNU make at $MAKE_CANDIDATE, however this is not version 3.81 or later. (it is: $MAKE_VERSION_STRING). Ignoring.])
485      else
486        if test "x$OPENJDK_BUILD_OS" = "xwindows"; then
487          if test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.cygwin"; then
488            MAKE_EXPECTED_ENV='cygwin'
489          elif test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.msys"; then
490            MAKE_EXPECTED_ENV='msys'
491          else
492            AC_MSG_ERROR([Unknown Windows environment])
493          fi
494          MAKE_BUILT_FOR=`$MAKE_CANDIDATE --version | $GREP -i 'built for'`
495          IS_MAKE_CORRECT_ENV=`$ECHO $MAKE_BUILT_FOR | $GREP $MAKE_EXPECTED_ENV`
496        else
497          # Not relevant for non-Windows
498          IS_MAKE_CORRECT_ENV=true
499        fi
500        if test "x$IS_MAKE_CORRECT_ENV" = x; then
501          AC_MSG_NOTICE([Found GNU make version $MAKE_VERSION_STRING at $MAKE_CANDIDATE, but it is not for $MAKE_EXPECTED_ENV (it says: $MAKE_BUILT_FOR). Ignoring.])
502        else
503          FOUND_MAKE=$MAKE_CANDIDATE
504          BASIC_FIXUP_EXECUTABLE(FOUND_MAKE)
505        fi
506      fi
507    fi
508  fi
509])
510
511# Goes looking for a usable version of GNU make.
512AC_DEFUN([BASIC_CHECK_GNU_MAKE],
513[
514  # We need to find a recent version of GNU make. Especially on Solaris, this can be tricky.
515  if test "x$MAKE" != x; then
516    # User has supplied a make, test it.
517    if test ! -f "$MAKE"; then
518      AC_MSG_ERROR([The specified make (by MAKE=$MAKE) is not found.])
519    fi
520    BASIC_CHECK_MAKE_VERSION("$MAKE", [user supplied MAKE=$MAKE])
521    if test "x$FOUND_MAKE" = x; then
522      AC_MSG_ERROR([The specified make (by MAKE=$MAKE) is not GNU make 3.81 or newer.])
523    fi
524  else
525    # Try our hardest to locate a correct version of GNU make
526    AC_PATH_PROGS(CHECK_GMAKE, gmake)
527    BASIC_CHECK_MAKE_VERSION("$CHECK_GMAKE", [gmake in PATH])
528
529    if test "x$FOUND_MAKE" = x; then
530      AC_PATH_PROGS(CHECK_MAKE, make)
531      BASIC_CHECK_MAKE_VERSION("$CHECK_MAKE", [make in PATH])
532    fi
533
534    if test "x$FOUND_MAKE" = x; then
535      if test "x$TOOLS_DIR" != x; then
536        # We have a tools-dir, check that as well before giving up.
537        OLD_PATH=$PATH
538        PATH=$TOOLS_DIR:$PATH
539        AC_PATH_PROGS(CHECK_TOOLSDIR_GMAKE, gmake)
540        BASIC_CHECK_MAKE_VERSION("$CHECK_TOOLSDIR_GMAKE", [gmake in tools-dir])
541        if test "x$FOUND_MAKE" = x; then
542          AC_PATH_PROGS(CHECK_TOOLSDIR_MAKE, make)
543          BASIC_CHECK_MAKE_VERSION("$CHECK_TOOLSDIR_MAKE", [make in tools-dir])
544        fi
545        PATH=$OLD_PATH
546      fi
547    fi
548
549    if test "x$FOUND_MAKE" = x; then
550      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.])
551    fi
552  fi
553
554  MAKE=$FOUND_MAKE
555  AC_SUBST(MAKE)
556  AC_MSG_NOTICE([Using GNU make 3.81 (or later) at $FOUND_MAKE (version: $MAKE_VERSION_STRING)])
557])
558
559AC_DEFUN([BASIC_CHECK_FIND_DELETE],
560[
561    # Test if find supports -delete
562    AC_MSG_CHECKING([if find supports -delete])
563    FIND_DELETE="-delete"
564
565    DELETEDIR=`$MKTEMP -d tmp.XXXXXXXXXX` || (echo Could not create temporary directory!; exit $?)
566
567    echo Hejsan > $DELETEDIR/TestIfFindSupportsDelete
568
569    TEST_DELETE=`$FIND "$DELETEDIR" -name TestIfFindSupportsDelete $FIND_DELETE 2>&1`
570    if test -f $DELETEDIR/TestIfFindSupportsDelete; then
571        # No, it does not.
572        rm $DELETEDIR/TestIfFindSupportsDelete
573        FIND_DELETE="-exec rm \{\} \+"
574        AC_MSG_RESULT([no])    
575    else
576        AC_MSG_RESULT([yes])    
577    fi
578    rmdir $DELETEDIR
579    AC_SUBST(FIND_DELETE)
580])
581
582AC_DEFUN_ONCE([BASIC_SETUP_COMPLEX_TOOLS],
583[
584BASIC_CHECK_GNU_MAKE
585
586BASIC_CHECK_FIND_DELETE
587
588# These tools might not be installed by default, 
589# need hint on how to install them.
590BASIC_REQUIRE_PROG(UNZIP, unzip)
591BASIC_REQUIRE_PROG(ZIP, zip)
592
593# Non-required basic tools
594
595AC_PATH_PROG(LDD, ldd)
596if test "x$LDD" = "x"; then
597    # List shared lib dependencies is used for
598    # debug output and checking for forbidden dependencies.
599    # We can build without it.
600    LDD="true"
601fi
602AC_PATH_PROG(OTOOL, otool)
603if test "x$OTOOL" = "x"; then
604   OTOOL="true"
605fi
606AC_PATH_PROGS(READELF, [readelf greadelf])
607AC_PATH_PROG(HG, hg)
608AC_PATH_PROG(STAT, stat)
609AC_PATH_PROG(TIME, time)
610
611if test "x$OPENJDK_TARGET_OS" = "xwindows"; then
612  BASIC_REQUIRE_PROG(COMM, comm)
613fi
614
615if test "x$OPENJDK_TARGET_OS" = "xmacosx"; then
616  BASIC_REQUIRE_PROG(XATTR, xattr)
617fi
618])
619
620# Check if build directory is on local disk. If not possible to determine,
621# we prefer to claim it's local.
622# Argument 1: directory to test
623# Argument 2: what to do if it is on local disk
624# Argument 3: what to do otherwise (remote disk or failure)
625AC_DEFUN([BASIC_CHECK_DIR_ON_LOCAL_DISK],
626[
627	# df -l lists only local disks; if the given directory is not found then
628	# a non-zero exit code is given
629  if test "x$DF" = x; then
630    if test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.msys"; then
631      # msys does not have df; use Windows "net use" instead.
632      IS_NETWORK_DISK=`net use | grep \`pwd -W | cut -d ":" -f 1 | tr a-z A-Z\`:`
633      if test "x$IS_NETWORK_DISK" = x; then
634        $2
635      else
636        $3
637      fi
638    else
639      # No df here, say it's local
640      $2
641    fi
642  else
643    if $DF -l $1 > /dev/null 2>&1; then
644      $2
645    else
646      $3
647    fi
648  fi
649])
650
651# Check that source files have basic read permissions set. This might
652# not be the case in cygwin in certain conditions.
653AC_DEFUN_ONCE([BASIC_CHECK_SRC_PERMS],
654[
655  if test x"$OPENJDK_BUILD_OS" = xwindows; then
656    file_to_test="$SRC_ROOT/LICENSE"
657    if test `$STAT -c '%a' "$file_to_test"` -lt 400; then
658      AC_MSG_ERROR([Bad file permissions on src files. This is usually caused by cloning the repositories with a non cygwin hg in a directory not created in cygwin.])
659    fi
660  fi
661])
662
663AC_DEFUN_ONCE([BASIC_TEST_USABILITY_ISSUES],
664[
665
666AC_MSG_CHECKING([if build directory is on local disk])
667BASIC_CHECK_DIR_ON_LOCAL_DISK($OUTPUT_ROOT,
668  [OUTPUT_DIR_IS_LOCAL="yes"],
669  [OUTPUT_DIR_IS_LOCAL="no"])
670AC_MSG_RESULT($OUTPUT_DIR_IS_LOCAL)
671
672BASIC_CHECK_SRC_PERMS
673
674# Check if the user has any old-style ALT_ variables set.
675FOUND_ALT_VARIABLES=`env | grep ^ALT_`
676
677# Before generating output files, test if they exist. If they do, this is a reconfigure.
678# Since we can't properly handle the dependencies for this, warn the user about the situation
679if test -e $OUTPUT_ROOT/spec.gmk; then
680  IS_RECONFIGURE=yes
681else
682  IS_RECONFIGURE=no
683fi
684
685if test -e $SRC_ROOT/build/.hide-configure-performance-hints; then
686  HIDE_PERFORMANCE_HINTS=yes
687else
688  HIDE_PERFORMANCE_HINTS=no
689  # Hide it the next time around...
690  $TOUCH $SRC_ROOT/build/.hide-configure-performance-hints > /dev/null 2>&1
691fi
692
693])
694