basics.m4 revision 748:f5eb23490e6a
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# Appends a string to a path variable, only adding the : when needed.
47AC_DEFUN([BASIC_APPEND_TO_PATH],
48[
49  if test "x[$]$1" = x; then
50    $1="$2"
51  else
52    $1="[$]$1:$2"
53  fi
54])
55
56# This will make sure the given variable points to a full and proper
57# path. This means:
58# 1) There will be no spaces in the path. On posix platforms,
59#    spaces in the path will result in an error. On Windows,
60#    the path will be rewritten using short-style to be space-free.
61# 2) The path will be absolute, and it will be in unix-style (on
62#     cygwin).
63# $1: The name of the variable to fix
64AC_DEFUN([BASIC_FIXUP_PATH],
65[
66  if test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.cygwin"; then
67    BASIC_FIXUP_PATH_CYGWIN($1)
68  elif test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.msys"; then
69    BASIC_FIXUP_PATH_MSYS($1)
70  else
71    # We're on a posix platform. Hooray! :)
72    path="[$]$1"
73    has_space=`$ECHO "$path" | $GREP " "`
74    if test "x$has_space" != x; then
75      AC_MSG_NOTICE([The path of $1, which resolves as "$path", is invalid.])
76      AC_MSG_ERROR([Spaces are not allowed in this path.])
77    fi
78
79    # Use eval to expand a potential ~
80    eval path="$path"
81    if test ! -f "$path" && test ! -d "$path"; then
82      AC_MSG_ERROR([The path of $1, which resolves as "$path", is not found.])
83    fi
84
85    $1="`cd "$path"; $THEPWDCMD -L`" 
86  fi
87])
88
89# This will make sure the given variable points to a executable
90# with a full and proper path. This means:
91# 1) There will be no spaces in the path. On posix platforms,
92#    spaces in the path will result in an error. On Windows,
93#    the path will be rewritten using short-style to be space-free.
94# 2) The path will be absolute, and it will be in unix-style (on
95#     cygwin).
96# Any arguments given to the executable is preserved.
97# If the input variable does not have a directory specification, then
98# it need to be in the PATH.
99# $1: The name of the variable to fix
100AC_DEFUN([BASIC_FIXUP_EXECUTABLE],
101[
102  if test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.cygwin"; then
103    BASIC_FIXUP_EXECUTABLE_CYGWIN($1)
104  elif test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.msys"; then
105    BASIC_FIXUP_EXECUTABLE_MSYS($1)
106  else
107    # We're on a posix platform. Hooray! :)
108    # First separate the path from the arguments. This will split at the first
109    # space.
110    complete="[$]$1"
111    path="${complete%% *}"
112    tmp="$complete EOL"
113    arguments="${tmp#* }"
114
115    # Cannot rely on the command "which" here since it doesn't always work.
116    is_absolute_path=`$ECHO "$path" | $GREP ^/`
117    if test -z "$is_absolute_path"; then
118      # Path to executable is not absolute. Find it.
119      IFS_save="$IFS"
120      IFS=:
121      for p in $PATH; do
122        if test -f "$p/$path" && test -x "$p/$path"; then
123          new_path="$p/$path"
124          break
125        fi
126      done
127      IFS="$IFS_save"
128    else
129      AC_MSG_NOTICE([Resolving $1 (as $path) failed, using $path directly.])
130      new_path="$path"
131    fi
132    
133    if test "x$new_path" = x; then
134        AC_MSG_NOTICE([The path of $1, which resolves as "$complete", is not found.])
135        has_space=`$ECHO "$complete" | $GREP " "`
136        if test "x$has_space" != x; then
137          AC_MSG_NOTICE([This might be caused by spaces in the path, which is not allowed.])
138        fi
139        AC_MSG_ERROR([Cannot locate the the path of $1])
140      fi
141  fi
142
143      # Now join together the path and the arguments once again
144      if test "x$arguments" != xEOL; then
145        new_complete="$new_path ${arguments% *}"
146      else
147        new_complete="$new_path"
148      fi
149
150  if test "x$complete" != "x$new_complete"; then
151      $1="$new_complete"
152      AC_MSG_NOTICE([Rewriting $1 to "$new_complete"])
153    fi
154])
155
156AC_DEFUN([BASIC_REMOVE_SYMBOLIC_LINKS],
157[
158    if test "x$OPENJDK_BUILD_OS" != xwindows; then
159        # Follow a chain of symbolic links. Use readlink
160        # where it exists, else fall back to horribly
161        # complicated shell code.
162        if test "x$READLINK_TESTED" != yes; then
163            # On MacOSX there is a readlink tool with a different
164            # purpose than the GNU readlink tool. Check the found readlink.
165            ISGNU=`$READLINK --version 2>&1 | $GREP GNU`
166            if test "x$ISGNU" = x; then
167                 # A readlink that we do not know how to use.
168                 # Are there other non-GNU readlinks out there?
169                 READLINK_TESTED=yes
170                 READLINK=
171            fi
172        fi
173
174        if test "x$READLINK" != x; then
175            $1=`$READLINK -f [$]$1`
176        else
177            # Save the current directory for restoring afterwards
178            STARTDIR=$PWD
179            COUNTER=0
180            sym_link_dir=`$DIRNAME [$]$1`
181            sym_link_file=`$BASENAME [$]$1`
182            cd $sym_link_dir
183            # Use -P flag to resolve symlinks in directories.
184            cd `$THEPWDCMD -P`
185            sym_link_dir=`$THEPWDCMD -P`
186            # Resolve file symlinks
187            while test $COUNTER -lt 20; do
188                ISLINK=`$LS -l $sym_link_dir/$sym_link_file | $GREP '\->' | $SED -e 's/.*-> \(.*\)/\1/'`
189                if test "x$ISLINK" == x; then
190                    # This is not a symbolic link! We are done!
191                    break
192                fi
193                # Again resolve directory symlinks since the target of the just found
194                # link could be in a different directory
195                cd `$DIRNAME $ISLINK`
196                sym_link_dir=`$THEPWDCMD -P`
197                sym_link_file=`$BASENAME $ISLINK`
198                let COUNTER=COUNTER+1
199            done
200            cd $STARTDIR
201            $1=$sym_link_dir/$sym_link_file
202        fi
203    fi
204])
205
206AC_DEFUN_ONCE([BASIC_INIT],
207[
208# Save the original command line. This is passed to us by the wrapper configure script.
209AC_SUBST(CONFIGURE_COMMAND_LINE)
210DATE_WHEN_CONFIGURED=`LANG=C date`
211AC_SUBST(DATE_WHEN_CONFIGURED)
212AC_MSG_NOTICE([Configuration created at $DATE_WHEN_CONFIGURED.])
213AC_MSG_NOTICE([configure script generated at timestamp $DATE_WHEN_GENERATED.])
214])
215
216# Test that variable $1 denoting a program is not empty. If empty, exit with an error.
217# $1: variable to check
218# $2: executable name to print in warning (optional)
219AC_DEFUN([BASIC_CHECK_NONEMPTY],
220[
221    if test "x[$]$1" = x; then
222        if test "x$2" = x; then
223          PROG_NAME=translit($1,A-Z,a-z)
224        else
225          PROG_NAME=$2
226        fi
227        AC_MSG_NOTICE([Could not find $PROG_NAME!])
228        AC_MSG_ERROR([Cannot continue])
229    fi
230])
231
232# Does AC_PATH_PROG followed by BASIC_CHECK_NONEMPTY.
233# Arguments as AC_PATH_PROG:
234# $1: variable to set
235# $2: executable name to look for
236AC_DEFUN([BASIC_REQUIRE_PROG],
237[
238    AC_PATH_PROGS($1, $2)
239    BASIC_CHECK_NONEMPTY($1, $2)
240])
241
242# Setup the most fundamental tools that relies on not much else to set up,
243# but is used by much of the early bootstrap code.
244AC_DEFUN_ONCE([BASIC_SETUP_FUNDAMENTAL_TOOLS],
245[
246
247# Start with tools that do not need have cross compilation support
248# and can be expected to be found in the default PATH. These tools are
249# used by configure. Nor are these tools expected to be found in the
250# devkit from the builddeps server either, since they are
251# needed to download the devkit.
252
253# First are all the simple required tools.
254BASIC_REQUIRE_PROG(BASENAME, basename)
255BASIC_REQUIRE_PROG(BASH, bash)
256BASIC_REQUIRE_PROG(CAT, cat)
257BASIC_REQUIRE_PROG(CHMOD, chmod)
258BASIC_REQUIRE_PROG(CMP, cmp)
259BASIC_REQUIRE_PROG(COMM, comm)
260BASIC_REQUIRE_PROG(CP, cp)
261BASIC_REQUIRE_PROG(CPIO, cpio)
262BASIC_REQUIRE_PROG(CUT, cut)
263BASIC_REQUIRE_PROG(DATE, date)
264BASIC_REQUIRE_PROG(DIFF, [gdiff diff])
265BASIC_REQUIRE_PROG(DIRNAME, dirname)
266BASIC_REQUIRE_PROG(ECHO, echo)
267BASIC_REQUIRE_PROG(EXPR, expr)
268BASIC_REQUIRE_PROG(FILE, file)
269BASIC_REQUIRE_PROG(FIND, find)
270BASIC_REQUIRE_PROG(HEAD, head)
271BASIC_REQUIRE_PROG(LN, ln)
272BASIC_REQUIRE_PROG(LS, ls)
273BASIC_REQUIRE_PROG(MKDIR, mkdir)
274BASIC_REQUIRE_PROG(MKTEMP, mktemp)
275BASIC_REQUIRE_PROG(MV, mv)
276BASIC_REQUIRE_PROG(PRINTF, printf)
277BASIC_REQUIRE_PROG(RM, rm)
278BASIC_REQUIRE_PROG(SH, sh)
279BASIC_REQUIRE_PROG(SORT, sort)
280BASIC_REQUIRE_PROG(TAIL, tail)
281BASIC_REQUIRE_PROG(TAR, tar)
282BASIC_REQUIRE_PROG(TEE, tee)
283BASIC_REQUIRE_PROG(TOUCH, touch)
284BASIC_REQUIRE_PROG(TR, tr)
285BASIC_REQUIRE_PROG(UNAME, uname)
286BASIC_REQUIRE_PROG(UNIQ, uniq)
287BASIC_REQUIRE_PROG(WC, wc)
288BASIC_REQUIRE_PROG(WHICH, which)
289BASIC_REQUIRE_PROG(XARGS, xargs)
290
291# Then required tools that require some special treatment.
292AC_PROG_AWK
293BASIC_CHECK_NONEMPTY(AWK)
294AC_PROG_GREP
295BASIC_CHECK_NONEMPTY(GREP)
296AC_PROG_EGREP
297BASIC_CHECK_NONEMPTY(EGREP)
298AC_PROG_FGREP
299BASIC_CHECK_NONEMPTY(FGREP)
300AC_PROG_SED
301BASIC_CHECK_NONEMPTY(SED)
302
303AC_PATH_PROGS(NAWK, [nawk gawk awk])
304BASIC_CHECK_NONEMPTY(NAWK)
305
306# Always force rm.
307RM="$RM -f"
308
309# pwd behaves differently on various platforms and some don't support the -L flag.
310# Always use the bash builtin pwd to get uniform behavior.
311THEPWDCMD=pwd
312
313# These are not required on all platforms
314AC_PATH_PROG(CYGPATH, cygpath)
315AC_PATH_PROG(READLINK, readlink)
316AC_PATH_PROG(DF, df)
317AC_PATH_PROG(SETFILE, SetFile)
318])
319
320# Setup basic configuration paths, and platform-specific stuff related to PATHs.
321AC_DEFUN_ONCE([BASIC_SETUP_PATHS],
322[
323# Locate the directory of this script.
324SCRIPT="[$]0"
325AUTOCONF_DIR=`cd \`$DIRNAME $SCRIPT\`; $THEPWDCMD -L`
326
327# Where is the source? It is located two levels above the configure script.
328CURDIR="$PWD"
329cd "$AUTOCONF_DIR/../.."
330SRC_ROOT="`$THEPWDCMD -L`"
331
332if test "x$OPENJDK_TARGET_OS" = "xwindows"; then
333  PATH_SEP=";"
334  BASIC_CHECK_PATHS_WINDOWS
335else
336  PATH_SEP=":"
337fi
338
339AC_SUBST(SRC_ROOT)
340AC_SUBST(PATH_SEP)
341cd "$CURDIR"
342
343BASIC_FIXUP_PATH(SRC_ROOT)
344BASIC_FIXUP_PATH(CURDIR)
345
346if test "x$OPENJDK_BUILD_OS" = "xsolaris"; then
347    # Add extra search paths on solaris for utilities like ar and as etc...
348    PATH="$PATH:/usr/ccs/bin:/usr/sfw/bin:/opt/csw/bin"
349fi
350
351# You can force the sys-root if the sys-root encoded into the cross compiler tools
352# is not correct.
353AC_ARG_WITH(sys-root, [AS_HELP_STRING([--with-sys-root],
354  [pass this sys-root to the compilers and tools (for cross-compiling)])])
355
356if test "x$with_sys_root" != x; then
357  SYS_ROOT=$with_sys_root
358else
359  SYS_ROOT=/
360fi
361AC_SUBST(SYS_ROOT)
362
363AC_ARG_WITH([tools-dir], [AS_HELP_STRING([--with-tools-dir],
364  [search this directory for compilers and tools (for cross-compiling)])], 
365  [TOOLS_DIR=$with_tools_dir
366   BASIC_FIXUP_PATH([TOOLS_DIR])
367  ])
368
369AC_ARG_WITH([devkit], [AS_HELP_STRING([--with-devkit],
370  [use this directory as base for tools-dir and sys-root (for cross-compiling)])],
371  [
372    if test "x$with_sys_root" != x; then
373      AC_MSG_ERROR([Cannot specify both --with-devkit and --with-sys-root at the same time])
374    fi
375    BASIC_FIXUP_PATH([with_devkit])
376    BASIC_APPEND_TO_PATH([TOOLS_DIR],$with_devkit/bin)
377    if test -d "$with_devkit/$host_alias/libc"; then
378      SYS_ROOT=$with_devkit/$host_alias/libc
379    elif test -d "$with_devkit/$host/sys-root"; then
380      SYS_ROOT=$with_devkit/$host/sys-root
381    fi
382  ])
383])
384
385AC_DEFUN_ONCE([BASIC_SETUP_OUTPUT_DIR],
386[
387
388AC_ARG_WITH(conf-name, [AS_HELP_STRING([--with-conf-name],
389	[use this as the name of the configuration @<:@generated from important configuration options@:>@])],
390        [ CONF_NAME=${with_conf_name} ])
391
392# Test from where we are running configure, in or outside of src root.
393if test "x$CURDIR" = "x$SRC_ROOT" || test "x$CURDIR" = "x$SRC_ROOT/common" \
394        || test "x$CURDIR" = "x$SRC_ROOT/common/autoconf" \
395        || test "x$CURDIR" = "x$SRC_ROOT/common/makefiles" ; then
396    # We are running configure from the src root.
397    # Create a default ./build/target-variant-debuglevel output root.
398    if test "x${CONF_NAME}" = x; then
399        CONF_NAME="${OPENJDK_TARGET_OS}-${OPENJDK_TARGET_CPU}-${JDK_VARIANT}-${ANDED_JVM_VARIANTS}-${DEBUG_LEVEL}"
400    fi
401    OUTPUT_ROOT="$SRC_ROOT/build/${CONF_NAME}"
402    $MKDIR -p "$OUTPUT_ROOT"
403    if test ! -d "$OUTPUT_ROOT"; then
404        AC_MSG_ERROR([Could not create build directory $OUTPUT_ROOT])
405    fi
406else
407    # We are running configure from outside of the src dir.
408    # Then use the current directory as output dir!
409    # If configuration is situated in normal build directory, just use the build
410    # directory name as configuration name, otherwise use the complete path.
411    if test "x${CONF_NAME}" = x; then
412        CONF_NAME=`$ECHO $CURDIR | $SED -e "s!^${SRC_ROOT}/build/!!"`
413    fi
414    OUTPUT_ROOT="$CURDIR"
415
416    # WARNING: This might be a bad thing to do. You need to be sure you want to
417    # have a configuration in this directory. Do some sanity checks!
418
419    if test ! -e "$OUTPUT_ROOT/spec.gmk"; then
420      # If we have a spec.gmk, we have run here before and we are OK. Otherwise, check for
421      # other files
422      files_present=`$LS $OUTPUT_ROOT`
423      # Configure has already touched config.log and confdefs.h in the current dir when this check 
424      # is performed.
425      filtered_files=`$ECHO "$files_present" | $SED -e 's/config.log//g' -e 's/confdefs.h//g' -e 's/ //g' \
426                                             | $TR -d '\n'`
427      if test "x$filtered_files" != x; then
428        AC_MSG_NOTICE([Current directory is $CURDIR.])
429        AC_MSG_NOTICE([Since this is not the source root, configure will output the configuration here])
430        AC_MSG_NOTICE([(as opposed to creating a configuration in <src_root>/build/<conf-name>).])
431        AC_MSG_NOTICE([However, this directory is not empty. This is not allowed, since it could])
432        AC_MSG_NOTICE([seriously mess up just about everything.])
433        AC_MSG_NOTICE([Try 'cd $SRC_ROOT' and restart configure])
434        AC_MSG_NOTICE([(or create a new empty directory and cd to it).])
435        AC_MSG_ERROR([Will not continue creating configuration in $CURDIR])
436      fi
437    fi
438fi
439AC_MSG_CHECKING([what configuration name to use])
440AC_MSG_RESULT([$CONF_NAME])
441
442BASIC_FIXUP_PATH(OUTPUT_ROOT)
443
444AC_SUBST(SPEC, $OUTPUT_ROOT/spec.gmk)
445AC_SUBST(CONF_NAME, $CONF_NAME)
446AC_SUBST(OUTPUT_ROOT, $OUTPUT_ROOT)
447
448# Most of the probed defines are put into config.h
449AC_CONFIG_HEADERS([$OUTPUT_ROOT/config.h:$AUTOCONF_DIR/config.h.in])
450# The spec.gmk file contains all variables for the make system.
451AC_CONFIG_FILES([$OUTPUT_ROOT/spec.gmk:$AUTOCONF_DIR/spec.gmk.in])
452# The hotspot-spec.gmk file contains legacy variables for the hotspot make system.
453AC_CONFIG_FILES([$OUTPUT_ROOT/hotspot-spec.gmk:$AUTOCONF_DIR/hotspot-spec.gmk.in])
454# The bootcycle-spec.gmk file contains support for boot cycle builds.
455AC_CONFIG_FILES([$OUTPUT_ROOT/bootcycle-spec.gmk:$AUTOCONF_DIR/bootcycle-spec.gmk.in])
456# The compare.sh is used to compare the build output to other builds.
457AC_CONFIG_FILES([$OUTPUT_ROOT/compare.sh:$AUTOCONF_DIR/compare.sh.in])
458# Spec.sh is currently used by compare-objects.sh
459AC_CONFIG_FILES([$OUTPUT_ROOT/spec.sh:$AUTOCONF_DIR/spec.sh.in])
460# The generated Makefile knows where the spec.gmk is and where the source is.
461# You can run make from the OUTPUT_ROOT, or from the top-level Makefile
462# which will look for generated configurations
463AC_CONFIG_FILES([$OUTPUT_ROOT/Makefile:$AUTOCONF_DIR/Makefile.in])
464
465# Save the arguments given to us
466echo "$CONFIGURE_COMMAND_LINE" > $OUTPUT_ROOT/configure-arguments
467])
468
469AC_DEFUN_ONCE([BASIC_SETUP_LOGGING],
470[
471# Setup default logging of stdout and stderr to build.log in the output root.
472BUILD_LOG='$(OUTPUT_ROOT)/build.log'
473BUILD_LOG_PREVIOUS='$(OUTPUT_ROOT)/build.log.old'
474BUILD_LOG_WRAPPER='$(BASH) $(SRC_ROOT)/common/bin/logger.sh $(BUILD_LOG)'
475AC_SUBST(BUILD_LOG)
476AC_SUBST(BUILD_LOG_PREVIOUS)
477AC_SUBST(BUILD_LOG_WRAPPER)
478])
479
480
481#%%% Simple tools %%%
482
483# Check if we have found a usable version of make
484# $1: the path to a potential make binary (or empty)
485# $2: the description on how we found this
486AC_DEFUN([BASIC_CHECK_MAKE_VERSION],
487[
488  MAKE_CANDIDATE="$1"
489  DESCRIPTION="$2"
490  if test "x$MAKE_CANDIDATE" != x; then
491    AC_MSG_NOTICE([Testing potential make at $MAKE_CANDIDATE, found using $DESCRIPTION])
492    MAKE_VERSION_STRING=`$MAKE_CANDIDATE --version | $HEAD -n 1`
493    IS_GNU_MAKE=`$ECHO $MAKE_VERSION_STRING | $GREP 'GNU Make'`
494    if test "x$IS_GNU_MAKE" = x; then
495      AC_MSG_NOTICE([Found potential make at $MAKE_CANDIDATE, however, this is not GNU Make. Ignoring.])
496    else
497      IS_MODERN_MAKE=`$ECHO $MAKE_VERSION_STRING | $GREP '3.8[[12346789]]'`
498      if test "x$IS_MODERN_MAKE" = x; then
499        AC_MSG_NOTICE([Found GNU make at $MAKE_CANDIDATE, however this is not version 3.81 or later. (it is: $MAKE_VERSION_STRING). Ignoring.])
500      else
501        if test "x$OPENJDK_BUILD_OS" = "xwindows"; then
502          if test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.cygwin"; then
503            MAKE_EXPECTED_ENV='cygwin'
504          elif test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.msys"; then
505            MAKE_EXPECTED_ENV='msys'
506          else
507            AC_MSG_ERROR([Unknown Windows environment])
508          fi
509          MAKE_BUILT_FOR=`$MAKE_CANDIDATE --version | $GREP -i 'built for'`
510          IS_MAKE_CORRECT_ENV=`$ECHO $MAKE_BUILT_FOR | $GREP $MAKE_EXPECTED_ENV`
511        else
512          # Not relevant for non-Windows
513          IS_MAKE_CORRECT_ENV=true
514        fi
515        if test "x$IS_MAKE_CORRECT_ENV" = x; then
516          AC_MSG_NOTICE([Found GNU make version $MAKE_VERSION_STRING at $MAKE_CANDIDATE, but it is not for $MAKE_EXPECTED_ENV (it says: $MAKE_BUILT_FOR). Ignoring.])
517        else
518          FOUND_MAKE=$MAKE_CANDIDATE
519          BASIC_FIXUP_EXECUTABLE(FOUND_MAKE)
520        fi
521      fi
522    fi
523  fi
524])
525
526# Goes looking for a usable version of GNU make.
527AC_DEFUN([BASIC_CHECK_GNU_MAKE],
528[
529  # We need to find a recent version of GNU make. Especially on Solaris, this can be tricky.
530  if test "x$MAKE" != x; then
531    # User has supplied a make, test it.
532    if test ! -f "$MAKE"; then
533      AC_MSG_ERROR([The specified make (by MAKE=$MAKE) is not found.])
534    fi
535    BASIC_CHECK_MAKE_VERSION("$MAKE", [user supplied MAKE=$MAKE])
536    if test "x$FOUND_MAKE" = x; then
537      AC_MSG_ERROR([The specified make (by MAKE=$MAKE) is not GNU make 3.81 or newer.])
538    fi
539  else
540    # Try our hardest to locate a correct version of GNU make
541    AC_PATH_PROGS(CHECK_GMAKE, gmake)
542    BASIC_CHECK_MAKE_VERSION("$CHECK_GMAKE", [gmake in PATH])
543
544    if test "x$FOUND_MAKE" = x; then
545      AC_PATH_PROGS(CHECK_MAKE, make)
546      BASIC_CHECK_MAKE_VERSION("$CHECK_MAKE", [make in PATH])
547    fi
548
549    if test "x$FOUND_MAKE" = x; then
550      if test "x$TOOLS_DIR" != x; then
551        # We have a tools-dir, check that as well before giving up.
552        OLD_PATH=$PATH
553        PATH=$TOOLS_DIR:$PATH
554        AC_PATH_PROGS(CHECK_TOOLSDIR_GMAKE, gmake)
555        BASIC_CHECK_MAKE_VERSION("$CHECK_TOOLSDIR_GMAKE", [gmake in tools-dir])
556        if test "x$FOUND_MAKE" = x; then
557          AC_PATH_PROGS(CHECK_TOOLSDIR_MAKE, make)
558          BASIC_CHECK_MAKE_VERSION("$CHECK_TOOLSDIR_MAKE", [make in tools-dir])
559        fi
560        PATH=$OLD_PATH
561      fi
562    fi
563
564    if test "x$FOUND_MAKE" = x; then
565      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.])
566    fi
567  fi
568
569  MAKE=$FOUND_MAKE
570  AC_SUBST(MAKE)
571  AC_MSG_NOTICE([Using GNU make 3.81 (or later) at $FOUND_MAKE (version: $MAKE_VERSION_STRING)])
572])
573
574AC_DEFUN([BASIC_CHECK_FIND_DELETE],
575[
576    # Test if find supports -delete
577    AC_MSG_CHECKING([if find supports -delete])
578    FIND_DELETE="-delete"
579
580    DELETEDIR=`$MKTEMP -d tmp.XXXXXXXXXX` || (echo Could not create temporary directory!; exit $?)
581
582    echo Hejsan > $DELETEDIR/TestIfFindSupportsDelete
583
584    TEST_DELETE=`$FIND "$DELETEDIR" -name TestIfFindSupportsDelete $FIND_DELETE 2>&1`
585    if test -f $DELETEDIR/TestIfFindSupportsDelete; then
586        # No, it does not.
587        rm $DELETEDIR/TestIfFindSupportsDelete
588        FIND_DELETE="-exec rm \{\} \+"
589        AC_MSG_RESULT([no])    
590    else
591        AC_MSG_RESULT([yes])    
592    fi
593    rmdir $DELETEDIR
594    AC_SUBST(FIND_DELETE)
595])
596
597AC_DEFUN_ONCE([BASIC_SETUP_COMPLEX_TOOLS],
598[
599BASIC_CHECK_GNU_MAKE
600
601BASIC_CHECK_FIND_DELETE
602
603# These tools might not be installed by default, 
604# need hint on how to install them.
605BASIC_REQUIRE_PROG(UNZIP, unzip)
606BASIC_REQUIRE_PROG(ZIP, zip)
607
608# Non-required basic tools
609
610AC_PATH_PROG(LDD, ldd)
611if test "x$LDD" = "x"; then
612    # List shared lib dependencies is used for
613    # debug output and checking for forbidden dependencies.
614    # We can build without it.
615    LDD="true"
616fi
617AC_PATH_PROG(OTOOL, otool)
618if test "x$OTOOL" = "x"; then
619   OTOOL="true"
620fi
621AC_PATH_PROGS(READELF, [readelf greadelf])
622AC_PATH_PROG(HG, hg)
623AC_PATH_PROG(STAT, stat)
624AC_PATH_PROG(TIME, time)
625
626if test "x$OPENJDK_TARGET_OS" = "xwindows"; then
627  BASIC_REQUIRE_PROG(COMM, comm)
628fi
629
630if test "x$OPENJDK_TARGET_OS" = "xmacosx"; then
631  BASIC_REQUIRE_PROG(XATTR, xattr)
632  AC_PATH_PROG(CODESIGN, codesign)
633  if test "x$CODESIGN" != "x"; then
634    # Verify that the openjdk_codesign certificate is present
635    AC_MSG_CHECKING([if openjdk_codesign certificate is present])
636    rm -f codesign-testfile
637    touch codesign-testfile
638    codesign -s openjdk_codesign codesign-testfile 2>&AS_MESSAGE_LOG_FD >&AS_MESSAGE_LOG_FD || CODESIGN=
639    rm -f codesign-testfile
640    if test "x$CODESIGN" = x; then
641      AC_MSG_RESULT([no])
642    else
643      AC_MSG_RESULT([yes])
644    fi
645  fi
646fi
647])
648
649# Check if build directory is on local disk. If not possible to determine,
650# we prefer to claim it's local.
651# Argument 1: directory to test
652# Argument 2: what to do if it is on local disk
653# Argument 3: what to do otherwise (remote disk or failure)
654AC_DEFUN([BASIC_CHECK_DIR_ON_LOCAL_DISK],
655[
656	# df -l lists only local disks; if the given directory is not found then
657	# a non-zero exit code is given
658  if test "x$DF" = x; then
659    if test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.msys"; then
660      # msys does not have df; use Windows "net use" instead.
661      IS_NETWORK_DISK=`net use | grep \`pwd -W | cut -d ":" -f 1 | tr a-z A-Z\`:`
662      if test "x$IS_NETWORK_DISK" = x; then
663        $2
664      else
665        $3
666      fi
667    else
668      # No df here, say it's local
669      $2
670    fi
671  else
672    if $DF -l $1 > /dev/null 2>&1; then
673      $2
674    else
675      $3
676    fi
677  fi
678])
679
680# Check that source files have basic read permissions set. This might
681# not be the case in cygwin in certain conditions.
682AC_DEFUN_ONCE([BASIC_CHECK_SRC_PERMS],
683[
684  if test x"$OPENJDK_BUILD_OS" = xwindows; then
685    file_to_test="$SRC_ROOT/LICENSE"
686    if test `$STAT -c '%a' "$file_to_test"` -lt 400; then
687      AC_MSG_ERROR([Bad file permissions on src files. This is usually caused by cloning the repositories with a non cygwin hg in a directory not created in cygwin.])
688    fi
689  fi
690])
691
692AC_DEFUN_ONCE([BASIC_TEST_USABILITY_ISSUES],
693[
694
695AC_MSG_CHECKING([if build directory is on local disk])
696BASIC_CHECK_DIR_ON_LOCAL_DISK($OUTPUT_ROOT,
697  [OUTPUT_DIR_IS_LOCAL="yes"],
698  [OUTPUT_DIR_IS_LOCAL="no"])
699AC_MSG_RESULT($OUTPUT_DIR_IS_LOCAL)
700
701BASIC_CHECK_SRC_PERMS
702
703# Check if the user has any old-style ALT_ variables set.
704FOUND_ALT_VARIABLES=`env | grep ^ALT_`
705
706# Before generating output files, test if they exist. If they do, this is a reconfigure.
707# Since we can't properly handle the dependencies for this, warn the user about the situation
708if test -e $OUTPUT_ROOT/spec.gmk; then
709  IS_RECONFIGURE=yes
710else
711  IS_RECONFIGURE=no
712fi
713
714if test -e $SRC_ROOT/build/.hide-configure-performance-hints; then
715  HIDE_PERFORMANCE_HINTS=yes
716else
717  HIDE_PERFORMANCE_HINTS=no
718  # Hide it the next time around...
719  $TOUCH $SRC_ROOT/build/.hide-configure-performance-hints > /dev/null 2>&1
720fi
721
722])
723