basics.m4 revision 1236:bebfcf0b68ea
1#
2# Copyright (c) 2011, 2014, 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$2" != x; then
50    if test "x[$]$1" = x; then
51      $1="$2"
52    else
53      $1="[$]$1:$2"
54    fi
55  fi
56])
57
58# Prepends a string to a path variable, only adding the : when needed.
59AC_DEFUN([BASIC_PREPEND_TO_PATH],
60[
61  if test "x$2" != x; then
62    if test "x[$]$1" = x; then
63      $1="$2"
64    else
65      $1="$2:[$]$1"
66    fi
67  fi
68])
69
70# This will make sure the given variable points to a full and proper
71# path. This means:
72# 1) There will be no spaces in the path. On unix platforms,
73#    spaces in the path will result in an error. On Windows,
74#    the path will be rewritten using short-style to be space-free.
75# 2) The path will be absolute, and it will be in unix-style (on
76#     cygwin).
77# $1: The name of the variable to fix
78AC_DEFUN([BASIC_FIXUP_PATH],
79[
80  if test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.cygwin"; then
81    BASIC_FIXUP_PATH_CYGWIN($1)
82  elif test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.msys"; then
83    BASIC_FIXUP_PATH_MSYS($1)
84  else
85    # We're on a unix platform. Hooray! :)
86    path="[$]$1"
87    has_space=`$ECHO "$path" | $GREP " "`
88    if test "x$has_space" != x; then
89      AC_MSG_NOTICE([The path of $1, which resolves as "$path", is invalid.])
90      AC_MSG_ERROR([Spaces are not allowed in this path.])
91    fi
92
93    # Use eval to expand a potential ~
94    eval path="$path"
95    if test ! -f "$path" && test ! -d "$path"; then
96      AC_MSG_ERROR([The path of $1, which resolves as "$path", is not found.])
97    fi
98
99    $1="`cd "$path"; $THEPWDCMD -L`"
100  fi
101])
102
103# This will make sure the given variable points to a executable
104# with a full and proper path. This means:
105# 1) There will be no spaces in the path. On unix platforms,
106#    spaces in the path will result in an error. On Windows,
107#    the path will be rewritten using short-style to be space-free.
108# 2) The path will be absolute, and it will be in unix-style (on
109#     cygwin).
110# Any arguments given to the executable is preserved.
111# If the input variable does not have a directory specification, then
112# it need to be in the PATH.
113# $1: The name of the variable to fix
114AC_DEFUN([BASIC_FIXUP_EXECUTABLE],
115[
116  if test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.cygwin"; then
117    BASIC_FIXUP_EXECUTABLE_CYGWIN($1)
118  elif test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.msys"; then
119    BASIC_FIXUP_EXECUTABLE_MSYS($1)
120  else
121    # We're on a unix platform. Hooray! :)
122    # First separate the path from the arguments. This will split at the first
123    # space.
124    complete="[$]$1"
125    path="${complete%% *}"
126    tmp="$complete EOL"
127    arguments="${tmp#* }"
128
129    # Cannot rely on the command "which" here since it doesn't always work.
130    is_absolute_path=`$ECHO "$path" | $GREP ^/`
131    if test -z "$is_absolute_path"; then
132      # Path to executable is not absolute. Find it.
133      IFS_save="$IFS"
134      IFS=:
135      for p in $PATH; do
136        if test -f "$p/$path" && test -x "$p/$path"; then
137          new_path="$p/$path"
138          break
139        fi
140      done
141      IFS="$IFS_save"
142    else
143      # This is an absolute path, we can use it without further modifications.
144      new_path="$path"
145    fi
146
147    if test "x$new_path" = x; then
148      AC_MSG_NOTICE([The path of $1, which resolves as "$complete", is not found.])
149      has_space=`$ECHO "$complete" | $GREP " "`
150      if test "x$has_space" != x; then
151        AC_MSG_NOTICE([This might be caused by spaces in the path, which is not allowed.])
152      fi
153      AC_MSG_ERROR([Cannot locate the the path of $1])
154    fi
155  fi
156
157  # Now join together the path and the arguments once again
158  if test "x$arguments" != xEOL; then
159    new_complete="$new_path ${arguments% *}"
160  else
161    new_complete="$new_path"
162  fi
163
164  if test "x$complete" != "x$new_complete"; then
165    $1="$new_complete"
166    AC_MSG_NOTICE([Rewriting $1 to "$new_complete"])
167  fi
168])
169
170AC_DEFUN([BASIC_REMOVE_SYMBOLIC_LINKS],
171[
172  if test "x$OPENJDK_BUILD_OS" != xwindows; then
173    # Follow a chain of symbolic links. Use readlink
174    # where it exists, else fall back to horribly
175    # complicated shell code.
176    if test "x$READLINK_TESTED" != yes; then
177      # On MacOSX there is a readlink tool with a different
178      # purpose than the GNU readlink tool. Check the found readlink.
179      ISGNU=`$READLINK --version 2>&1 | $GREP GNU`
180      if test "x$ISGNU" = x; then
181        # A readlink that we do not know how to use.
182        # Are there other non-GNU readlinks out there?
183        READLINK_TESTED=yes
184        READLINK=
185      fi
186    fi
187
188    if test "x$READLINK" != x; then
189      $1=`$READLINK -f [$]$1`
190    else
191      # Save the current directory for restoring afterwards
192      STARTDIR=$PWD
193      COUNTER=0
194      sym_link_dir=`$DIRNAME [$]$1`
195      sym_link_file=`$BASENAME [$]$1`
196      cd $sym_link_dir
197      # Use -P flag to resolve symlinks in directories.
198      cd `$THEPWDCMD -P`
199      sym_link_dir=`$THEPWDCMD -P`
200      # Resolve file symlinks
201      while test $COUNTER -lt 20; do
202        ISLINK=`$LS -l $sym_link_dir/$sym_link_file | $GREP '\->' | $SED -e 's/.*-> \(.*\)/\1/'`
203        if test "x$ISLINK" == x; then
204          # This is not a symbolic link! We are done!
205          break
206        fi
207        # Again resolve directory symlinks since the target of the just found
208        # link could be in a different directory
209        cd `$DIRNAME $ISLINK`
210        sym_link_dir=`$THEPWDCMD -P`
211        sym_link_file=`$BASENAME $ISLINK`
212        let COUNTER=COUNTER+1
213      done
214      cd $STARTDIR
215      $1=$sym_link_dir/$sym_link_file
216    fi
217  fi
218])
219
220# Register a --with argument but mark it as deprecated
221# $1: The name of the with argument to deprecate, not including --with-
222AC_DEFUN([BASIC_DEPRECATED_ARG_WITH],
223[
224  AC_ARG_WITH($1, [AS_HELP_STRING([--with-$1],
225      [Deprecated. Option is kept for backwards compatibility and is ignored])],
226      [AC_MSG_WARN([Option --with-$1 is deprecated and will be ignored.])])
227])
228
229# Register a --enable argument but mark it as deprecated
230# $1: The name of the with argument to deprecate, not including --enable-
231# $2: The name of the argument to deprecate, in shell variable style (i.e. with _ instead of -)
232AC_DEFUN([BASIC_DEPRECATED_ARG_ENABLE],
233[
234  AC_ARG_ENABLE($1, [AS_HELP_STRING([--enable-$1],
235      [Deprecated. Option is kept for backwards compatibility and is ignored])])
236  if test "x$enable_$2" != x; then
237    AC_MSG_WARN([Option --enable-$1 is deprecated and will be ignored.])
238  fi
239])
240
241AC_DEFUN_ONCE([BASIC_INIT],
242[
243  # Save the original command line. This is passed to us by the wrapper configure script.
244  AC_SUBST(CONFIGURE_COMMAND_LINE)
245  DATE_WHEN_CONFIGURED=`LANG=C date`
246  AC_SUBST(DATE_WHEN_CONFIGURED)
247  AC_MSG_NOTICE([Configuration created at $DATE_WHEN_CONFIGURED.])
248  AC_MSG_NOTICE([configure script generated at timestamp $DATE_WHEN_GENERATED.])
249])
250
251# Test that variable $1 denoting a program is not empty. If empty, exit with an error.
252# $1: variable to check
253AC_DEFUN([BASIC_CHECK_NONEMPTY],
254[
255  if test "x[$]$1" = x; then
256    AC_MSG_ERROR([Could not find required tool for $1])
257  fi
258])
259
260# Check that there are no unprocessed overridden variables left.
261# If so, they are an incorrect argument and we will exit with an error.
262AC_DEFUN([BASIC_CHECK_LEFTOVER_OVERRIDDEN],
263[
264  if test "x$CONFIGURE_OVERRIDDEN_VARIABLES" != x; then
265    # Replace the separating ! with spaces before presenting for end user.
266    unknown_variables=${CONFIGURE_OVERRIDDEN_VARIABLES//!/ }
267    AC_MSG_WARN([The following variables might be unknown to configure: $unknown_variables])
268  fi
269])
270
271# Setup a tool for the given variable. If correctly specified by the user,
272# use that value, otherwise search for the tool using the supplied code snippet.
273# $1: variable to set
274# $2: code snippet to call to look for the tool
275AC_DEFUN([BASIC_SETUP_TOOL],
276[
277  # Publish this variable in the help.
278  AC_ARG_VAR($1, [Override default value for $1])
279
280  if test "x[$]$1" = x; then
281    # The variable is not set by user, try to locate tool using the code snippet
282    $2
283  else
284    # The variable is set, but is it from the command line or the environment?
285
286    # Try to remove the string !$1! from our list.
287    try_remove_var=${CONFIGURE_OVERRIDDEN_VARIABLES//!$1!/}
288    if test "x$try_remove_var" = "x$CONFIGURE_OVERRIDDEN_VARIABLES"; then
289      # If it failed, the variable was not from the command line. Ignore it,
290      # but warn the user (except for BASH, which is always set by the calling BASH).
291      if test "x$1" != xBASH; then
292        AC_MSG_WARN([Ignoring value of $1 from the environment. Use command line variables instead.])
293      fi
294      # Try to locate tool using the code snippet
295      $2
296    else
297      # If it succeeded, then it was overridden by the user. We will use it
298      # for the tool.
299
300      # First remove it from the list of overridden variables, so we can test
301      # for unknown variables in the end.
302      CONFIGURE_OVERRIDDEN_VARIABLES="$try_remove_var"
303
304      # Check if the provided tool contains a complete path.
305      tool_specified="[$]$1"
306      tool_basename="${tool_specified##*/}"
307      if test "x$tool_basename" = "x$tool_specified"; then
308        # A command without a complete path is provided, search $PATH.
309        AC_MSG_NOTICE([Will search for user supplied tool $1=$tool_basename])
310        AC_PATH_PROG($1, $tool_basename)
311        if test "x[$]$1" = x; then
312          AC_MSG_ERROR([User supplied tool $tool_basename could not be found])
313        fi
314      else
315        # Otherwise we believe it is a complete path. Use it as it is.
316        AC_MSG_NOTICE([Will use user supplied tool $1=$tool_specified])
317        AC_MSG_CHECKING([for $1])
318        if test ! -x "$tool_specified"; then
319          AC_MSG_RESULT([not found])
320          AC_MSG_ERROR([User supplied tool $1=$tool_specified does not exist or is not executable])
321        fi
322        AC_MSG_RESULT([$tool_specified])
323      fi
324    fi
325  fi
326])
327
328# Call BASIC_SETUP_TOOL with AC_PATH_PROGS to locate the tool
329# $1: variable to set
330# $2: executable name (or list of names) to look for
331AC_DEFUN([BASIC_PATH_PROGS],
332[
333  BASIC_SETUP_TOOL($1, [AC_PATH_PROGS($1, $2)])
334])
335
336# Call BASIC_SETUP_TOOL with AC_CHECK_TOOLS to locate the tool
337# $1: variable to set
338# $2: executable name (or list of names) to look for
339AC_DEFUN([BASIC_CHECK_TOOLS],
340[
341  BASIC_SETUP_TOOL($1, [AC_CHECK_TOOLS($1, $2)])
342])
343
344# Like BASIC_PATH_PROGS but fails if no tool was found.
345# $1: variable to set
346# $2: executable name (or list of names) to look for
347AC_DEFUN([BASIC_REQUIRE_PROGS],
348[
349  BASIC_PATH_PROGS($1, $2)
350  BASIC_CHECK_NONEMPTY($1)
351])
352
353# Like BASIC_SETUP_TOOL but fails if no tool was found.
354# $1: variable to set
355# $2: autoconf macro to call to look for the special tool
356AC_DEFUN([BASIC_REQUIRE_SPECIAL],
357[
358  BASIC_SETUP_TOOL($1, [$2])
359  BASIC_CHECK_NONEMPTY($1)
360])
361
362# Setup the most fundamental tools that relies on not much else to set up,
363# but is used by much of the early bootstrap code.
364AC_DEFUN_ONCE([BASIC_SETUP_FUNDAMENTAL_TOOLS],
365[
366  # Start with tools that do not need have cross compilation support
367  # and can be expected to be found in the default PATH. These tools are
368  # used by configure. Nor are these tools expected to be found in the
369  # devkit from the builddeps server either, since they are
370  # needed to download the devkit.
371
372  # First are all the simple required tools.
373  BASIC_REQUIRE_PROGS(BASENAME, basename)
374  BASIC_REQUIRE_PROGS(BASH, bash)
375  BASIC_REQUIRE_PROGS(CAT, cat)
376  BASIC_REQUIRE_PROGS(CHMOD, chmod)
377  BASIC_REQUIRE_PROGS(CMP, cmp)
378  BASIC_REQUIRE_PROGS(COMM, comm)
379  BASIC_REQUIRE_PROGS(CP, cp)
380  BASIC_REQUIRE_PROGS(CUT, cut)
381  BASIC_REQUIRE_PROGS(DATE, date)
382  BASIC_REQUIRE_PROGS(DIFF, [gdiff diff])
383  BASIC_REQUIRE_PROGS(DIRNAME, dirname)
384  BASIC_REQUIRE_PROGS(ECHO, echo)
385  BASIC_REQUIRE_PROGS(EXPR, expr)
386  BASIC_REQUIRE_PROGS(FILE, file)
387  BASIC_REQUIRE_PROGS(FIND, find)
388  BASIC_REQUIRE_PROGS(HEAD, head)
389  BASIC_REQUIRE_PROGS(LN, ln)
390  BASIC_REQUIRE_PROGS(LS, ls)
391  BASIC_REQUIRE_PROGS(MKDIR, mkdir)
392  BASIC_REQUIRE_PROGS(MKTEMP, mktemp)
393  BASIC_REQUIRE_PROGS(MV, mv)
394  BASIC_REQUIRE_PROGS(NAWK, [nawk gawk awk])
395  BASIC_REQUIRE_PROGS(PRINTF, printf)
396  BASIC_REQUIRE_PROGS(RM, rm)
397  BASIC_REQUIRE_PROGS(SH, sh)
398  BASIC_REQUIRE_PROGS(SORT, sort)
399  BASIC_REQUIRE_PROGS(TAIL, tail)
400  BASIC_REQUIRE_PROGS(TAR, tar)
401  BASIC_REQUIRE_PROGS(TEE, tee)
402  BASIC_REQUIRE_PROGS(TOUCH, touch)
403  BASIC_REQUIRE_PROGS(TR, tr)
404  BASIC_REQUIRE_PROGS(UNAME, uname)
405  BASIC_REQUIRE_PROGS(UNIQ, uniq)
406  BASIC_REQUIRE_PROGS(WC, wc)
407  BASIC_REQUIRE_PROGS(WHICH, which)
408  BASIC_REQUIRE_PROGS(XARGS, xargs)
409
410  # Then required tools that require some special treatment.
411  BASIC_REQUIRE_SPECIAL(AWK, [AC_PROG_AWK])
412  BASIC_REQUIRE_SPECIAL(GREP, [AC_PROG_GREP])
413  BASIC_REQUIRE_SPECIAL(EGREP, [AC_PROG_EGREP])
414  BASIC_REQUIRE_SPECIAL(FGREP, [AC_PROG_FGREP])
415  BASIC_REQUIRE_SPECIAL(SED, [AC_PROG_SED])
416
417  # Always force rm.
418  RM="$RM -f"
419
420  # pwd behaves differently on various platforms and some don't support the -L flag.
421  # Always use the bash builtin pwd to get uniform behavior.
422  THEPWDCMD=pwd
423
424  # These are not required on all platforms
425  BASIC_PATH_PROGS(CYGPATH, cygpath)
426  BASIC_PATH_PROGS(READLINK, [greadlink readlink])
427  BASIC_PATH_PROGS(DF, df)
428  BASIC_PATH_PROGS(SETFILE, SetFile)
429  BASIC_PATH_PROGS(CPIO, [cpio bsdcpio])
430])
431
432# Setup basic configuration paths, and platform-specific stuff related to PATHs.
433AC_DEFUN_ONCE([BASIC_SETUP_PATHS],
434[
435  # Save the current directory this script was started from
436  CURDIR="$PWD"
437
438  if test "x$OPENJDK_TARGET_OS" = "xwindows"; then
439    PATH_SEP=";"
440    BASIC_CHECK_PATHS_WINDOWS
441  else
442    PATH_SEP=":"
443  fi
444  AC_SUBST(PATH_SEP)
445
446  # We get the top-level directory from the supporting wrappers.
447  AC_MSG_CHECKING([for top-level directory])
448  AC_MSG_RESULT([$TOPDIR])
449  AC_SUBST(TOPDIR)
450
451  # We can only call BASIC_FIXUP_PATH after BASIC_CHECK_PATHS_WINDOWS.
452  BASIC_FIXUP_PATH(CURDIR)
453  BASIC_FIXUP_PATH(TOPDIR)
454  # SRC_ROOT is a traditional alias for TOPDIR.
455  SRC_ROOT=$TOPDIR
456
457  # Locate the directory of this script.
458  AUTOCONF_DIR=$TOPDIR/common/autoconf
459])
460
461AC_DEFUN_ONCE([BASIC_SETUP_DEVKIT],
462[
463  AC_ARG_WITH([devkit], [AS_HELP_STRING([--with-devkit],
464      [use this devkit for compilers, tools and resources])],
465      [
466        BASIC_FIXUP_PATH([with_devkit])
467        DEVKIT_ROOT="$with_devkit"
468        # Check for a meta data info file in the root of the devkit
469        if test -f "$DEVKIT_ROOT/devkit.info"; then
470          # This potentially sets the following:
471          # DEVKIT_NAME: A descriptive name of the devkit
472          # DEVKIT_TOOLCHAIN_PATH: Corresponds to --with-toolchain-path
473          # DEVKIT_EXTRA_PATH: Corresponds to --with-extra-path
474          # DEVKIT_SYSROOT: Corresponds to --with-sysroot
475          . $DEVKIT_ROOT/devkit.info
476        fi
477
478        AC_MSG_CHECKING([for devkit])
479        if test "x$DEVKIT_NAME" != x; then
480          AC_MSG_RESULT([$DEVKIT_NAME in $DEVKIT_ROOT])
481        else
482          AC_MSG_RESULT([$DEVKIT_ROOT])
483        fi
484
485        if test "x$DEVKIT_EXTRA_PATH" != x; then
486          BASIC_PREPEND_TO_PATH([EXTRA_PATH],$DEVKIT_EXTRA_PATH)
487        fi
488
489        # Fallback default of just /bin if DEVKIT_PATH is not defined
490        if test "x$DEVKIT_TOOLCHAIN_PATH" = x; then
491          DEVKIT_TOOLCHAIN_PATH="$DEVKIT_ROOT/bin"
492        fi
493        BASIC_PREPEND_TO_PATH([TOOLCHAIN_PATH],$DEVKIT_TOOLCHAIN_PATH)
494
495        # If DEVKIT_SYSROOT is set, use that, otherwise try a couple of known
496        # places for backwards compatiblity.
497        if test "x$DEVKIT_SYSROOT" != x; then
498          SYSROOT="$DEVKIT_SYSROOT"
499        elif test -d "$DEVKIT_ROOT/$host_alias/libc"; then
500          SYSROOT="$DEVKIT_ROOT/$host_alias/libc"
501        elif test -d "$DEVKIT_ROOT/$host/sys-root"; then
502          SYSROOT="$DEVKIT_ROOT/$host/sys-root"
503        fi
504      ]
505  )
506
507  # You can force the sysroot if the sysroot encoded into the compiler tools
508  # is not correct.
509  AC_ARG_WITH(sys-root, [AS_HELP_STRING([--with-sys-root],
510      [alias for --with-sysroot for backwards compatability])],
511      [SYSROOT=$with_sys_root]
512  )
513
514  AC_ARG_WITH(sysroot, [AS_HELP_STRING([--with-sysroot],
515      [use this directory as sysroot])],
516      [SYSROOT=$with_sysroot]
517  )
518
519  AC_ARG_WITH([tools-dir], [AS_HELP_STRING([--with-tools-dir],
520      [alias for --with-toolchain-path for backwards compatibility])],
521      [BASIC_PREPEND_TO_PATH([TOOLCHAIN_PATH],$with_tools_dir)]
522  )
523
524  AC_ARG_WITH([toolchain-path], [AS_HELP_STRING([--with-toolchain-path],
525      [prepend these directories when searching for toolchain binaries (compilers etc)])],
526      [BASIC_PREPEND_TO_PATH([TOOLCHAIN_PATH],$with_toolchain_path)]
527  )
528
529  AC_ARG_WITH([extra-path], [AS_HELP_STRING([--with-extra-path],
530      [prepend these directories to the default path])],
531      [BASIC_PREPEND_TO_PATH([EXTRA_PATH],$with_extra_path)]
532  )
533
534  if test "x$OPENJDK_BUILD_OS" = "xmacosx"; then
535    # detect if Xcode is installed by running xcodebuild -version
536    # if no Xcode installed, xcodebuild exits with 1
537    # if Xcode is installed, even if xcode-select is misconfigured, then it exits with 0
538    if /usr/bin/xcodebuild -version >/dev/null 2>&1; then
539      # We need to use xcodebuild in the toolchain dir provided by the user, this will
540      # fall back on the stub binary in /usr/bin/xcodebuild
541      AC_PATH_PROG([XCODEBUILD], [xcodebuild], [/usr/bin/xcodebuild], [$TOOLCHAIN_PATH])
542    else
543      # this should result in SYSROOT being empty, unless --with-sysroot is provided
544      # when only the command line tools are installed there are no SDKs, so headers
545      # are copied into the system frameworks
546      XCODEBUILD=
547      AC_SUBST(XCODEBUILD)
548    fi
549
550    AC_MSG_CHECKING([for sdk name])
551    AC_ARG_WITH([sdk-name], [AS_HELP_STRING([--with-sdk-name],
552        [use the platform SDK of the given name. @<:@macosx@:>@])],
553        [SDKNAME=$with_sdk_name]
554    )
555    AC_MSG_RESULT([$SDKNAME])
556
557    # if toolchain path is specified then don't rely on system headers, they may not compile
558    HAVE_SYSTEM_FRAMEWORK_HEADERS=0
559    test -z "$TOOLCHAIN_PATH" && \
560      HAVE_SYSTEM_FRAMEWORK_HEADERS=`test ! -f /System/Library/Frameworks/Foundation.framework/Headers/Foundation.h; echo $?`
561
562    if test -z "$SYSROOT"; then
563      if test -n "$XCODEBUILD"; then
564        # if we don't have system headers, use default SDK name (last resort)
565        if test -z "$SDKNAME" -a $HAVE_SYSTEM_FRAMEWORK_HEADERS -eq 0; then
566          SDKNAME=${SDKNAME:-macosx}
567        fi
568
569        if test -n "$SDKNAME"; then
570          # Call xcodebuild to determine SYSROOT
571          SYSROOT=`"$XCODEBUILD" -sdk $SDKNAME -version | grep '^Path: ' | sed 's/Path: //'`
572        fi
573      else
574        if test $HAVE_SYSTEM_FRAMEWORK_HEADERS -eq 0; then
575          AC_MSG_ERROR([No xcodebuild tool and no system framework headers found, use --with-sysroot or --with-sdk-name to provide a path to a valid SDK])
576        fi
577      fi
578    else
579      # warn user if --with-sdk-name was also set
580      if test -n "$with_sdk_name"; then
581        AC_MSG_WARN([Both SYSROOT and --with-sdk-name are set, only SYSROOT will be used])
582      fi
583    fi
584
585    if test $HAVE_SYSTEM_FRAMEWORK_HEADERS -eq 0 -a -z "$SYSROOT"; then
586      # If no system framework headers, then SYSROOT must be set, or we won't build
587      AC_MSG_ERROR([Unable to determine SYSROOT and no headers found in /System/Library/Frameworks. Check Xcode configuration, --with-sysroot or --with-sdk-name arguments.])
588    fi
589
590    # Perform a basic sanity test
591    if test ! -f "$SYSROOT/System/Library/Frameworks/Foundation.framework/Headers/Foundation.h"; then
592      if test -z "$SYSROOT"; then
593        AC_MSG_ERROR([Unable to find required framework headers, provide a path to an SDK via --with-sysroot or --with-sdk-name and be sure Xcode is installed properly])
594      else
595        AC_MSG_ERROR([Invalid SDK or SYSROOT path, dependent framework headers not found])
596      fi
597    fi
598
599    # set SDKROOT too, Xcode tools will pick it up
600    AC_SUBST(SDKROOT,$SYSROOT)
601  fi
602
603  # Prepend the extra path to the global path
604  BASIC_PREPEND_TO_PATH([PATH],$EXTRA_PATH)
605
606  if test "x$OPENJDK_BUILD_OS" = "xsolaris"; then
607    # Add extra search paths on solaris for utilities like ar and as etc...
608    PATH="$PATH:/usr/ccs/bin:/usr/sfw/bin:/opt/csw/bin"
609  fi
610
611  AC_MSG_CHECKING([for sysroot])
612  AC_MSG_RESULT([$SYSROOT])
613  AC_MSG_CHECKING([for toolchain path])
614  AC_MSG_RESULT([$TOOLCHAIN_PATH])
615  AC_MSG_CHECKING([for extra path])
616  AC_MSG_RESULT([$EXTRA_PATH])
617])
618
619AC_DEFUN_ONCE([BASIC_SETUP_OUTPUT_DIR],
620[
621
622  AC_ARG_WITH(conf-name, [AS_HELP_STRING([--with-conf-name],
623      [use this as the name of the configuration @<:@generated from important configuration options@:>@])],
624      [ CONF_NAME=${with_conf_name} ])
625
626  # Test from where we are running configure, in or outside of src root.
627  AC_MSG_CHECKING([where to store configuration])
628  if test "x$CURDIR" = "x$SRC_ROOT" || test "x$CURDIR" = "x$SRC_ROOT/common" \
629      || test "x$CURDIR" = "x$SRC_ROOT/common/autoconf" \
630      || test "x$CURDIR" = "x$SRC_ROOT/make" ; then
631    # We are running configure from the src root.
632    # Create a default ./build/target-variant-debuglevel output root.
633    if test "x${CONF_NAME}" = x; then
634      AC_MSG_RESULT([in default location])
635      CONF_NAME="${OPENJDK_TARGET_OS}-${OPENJDK_TARGET_CPU}-${JDK_VARIANT}-${ANDED_JVM_VARIANTS}-${DEBUG_LEVEL}"
636    else
637      AC_MSG_RESULT([in build directory with custom name])
638    fi
639    OUTPUT_ROOT="$SRC_ROOT/build/${CONF_NAME}"
640    $MKDIR -p "$OUTPUT_ROOT"
641    if test ! -d "$OUTPUT_ROOT"; then
642      AC_MSG_ERROR([Could not create build directory $OUTPUT_ROOT])
643    fi
644  else
645    # We are running configure from outside of the src dir.
646    # Then use the current directory as output dir!
647    # If configuration is situated in normal build directory, just use the build
648    # directory name as configuration name, otherwise use the complete path.
649    if test "x${CONF_NAME}" = x; then
650      CONF_NAME=`$ECHO $CURDIR | $SED -e "s!^${SRC_ROOT}/build/!!"`
651    fi
652    OUTPUT_ROOT="$CURDIR"
653    AC_MSG_RESULT([in current directory])
654
655    # WARNING: This might be a bad thing to do. You need to be sure you want to
656    # have a configuration in this directory. Do some sanity checks!
657
658    if test ! -e "$OUTPUT_ROOT/spec.gmk"; then
659      # If we have a spec.gmk, we have run here before and we are OK. Otherwise, check for
660      # other files
661      files_present=`$LS $OUTPUT_ROOT`
662      # Configure has already touched config.log and confdefs.h in the current dir when this check
663      # is performed.
664      filtered_files=`$ECHO "$files_present" | $SED -e 's/config.log//g' -e 's/confdefs.h//g' -e 's/ //g' \
665      | $TR -d '\n'`
666      if test "x$filtered_files" != x; then
667        AC_MSG_NOTICE([Current directory is $CURDIR.])
668        AC_MSG_NOTICE([Since this is not the source root, configure will output the configuration here])
669        AC_MSG_NOTICE([(as opposed to creating a configuration in <src_root>/build/<conf-name>).])
670        AC_MSG_NOTICE([However, this directory is not empty. This is not allowed, since it could])
671        AC_MSG_NOTICE([seriously mess up just about everything.])
672        AC_MSG_NOTICE([Try 'cd $SRC_ROOT' and restart configure])
673        AC_MSG_NOTICE([(or create a new empty directory and cd to it).])
674        AC_MSG_ERROR([Will not continue creating configuration in $CURDIR])
675      fi
676    fi
677  fi
678  AC_MSG_CHECKING([what configuration name to use])
679  AC_MSG_RESULT([$CONF_NAME])
680
681  BASIC_FIXUP_PATH(OUTPUT_ROOT)
682
683  AC_SUBST(SPEC, $OUTPUT_ROOT/spec.gmk)
684  AC_SUBST(CONF_NAME, $CONF_NAME)
685  AC_SUBST(OUTPUT_ROOT, $OUTPUT_ROOT)
686
687  # The spec.gmk file contains all variables for the make system.
688  AC_CONFIG_FILES([$OUTPUT_ROOT/spec.gmk:$AUTOCONF_DIR/spec.gmk.in])
689  # The hotspot-spec.gmk file contains legacy variables for the hotspot make system.
690  AC_CONFIG_FILES([$OUTPUT_ROOT/hotspot-spec.gmk:$AUTOCONF_DIR/hotspot-spec.gmk.in])
691  # The bootcycle-spec.gmk file contains support for boot cycle builds.
692  AC_CONFIG_FILES([$OUTPUT_ROOT/bootcycle-spec.gmk:$AUTOCONF_DIR/bootcycle-spec.gmk.in])
693  # The compare.sh is used to compare the build output to other builds.
694  AC_CONFIG_FILES([$OUTPUT_ROOT/compare.sh:$AUTOCONF_DIR/compare.sh.in])
695  # The generated Makefile knows where the spec.gmk is and where the source is.
696  # You can run make from the OUTPUT_ROOT, or from the top-level Makefile
697  # which will look for generated configurations
698  AC_CONFIG_FILES([$OUTPUT_ROOT/Makefile:$AUTOCONF_DIR/Makefile.in])
699])
700
701AC_DEFUN_ONCE([BASIC_SETUP_LOGGING],
702[
703  # Setup default logging of stdout and stderr to build.log in the output root.
704  BUILD_LOG='$(OUTPUT_ROOT)/build.log'
705  BUILD_LOG_PREVIOUS='$(OUTPUT_ROOT)/build.log.old'
706  BUILD_LOG_WRAPPER='$(BASH) $(SRC_ROOT)/common/bin/logger.sh $(BUILD_LOG)'
707  AC_SUBST(BUILD_LOG)
708  AC_SUBST(BUILD_LOG_PREVIOUS)
709  AC_SUBST(BUILD_LOG_WRAPPER)
710])
711
712
713#%%% Simple tools %%%
714
715# Check if we have found a usable version of make
716# $1: the path to a potential make binary (or empty)
717# $2: the description on how we found this
718AC_DEFUN([BASIC_CHECK_MAKE_VERSION],
719[
720  MAKE_CANDIDATE="$1"
721  DESCRIPTION="$2"
722  if test "x$MAKE_CANDIDATE" != x; then
723    AC_MSG_NOTICE([Testing potential make at $MAKE_CANDIDATE, found using $DESCRIPTION])
724    MAKE_VERSION_STRING=`$MAKE_CANDIDATE --version | $HEAD -n 1`
725    IS_GNU_MAKE=`$ECHO $MAKE_VERSION_STRING | $GREP 'GNU Make'`
726    if test "x$IS_GNU_MAKE" = x; then
727      AC_MSG_NOTICE([Found potential make at $MAKE_CANDIDATE, however, this is not GNU Make. Ignoring.])
728    else
729      IS_MODERN_MAKE=`$ECHO $MAKE_VERSION_STRING | $GREP -e '3\.8[[12]]' -e '4\.'`
730      if test "x$IS_MODERN_MAKE" = x; then
731        AC_MSG_NOTICE([Found GNU make at $MAKE_CANDIDATE, however this is not version 3.81 or later. (it is: $MAKE_VERSION_STRING). Ignoring.])
732      else
733        if test "x$OPENJDK_BUILD_OS" = "xwindows"; then
734          if test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.cygwin"; then
735            MAKE_EXPECTED_ENV='cygwin'
736          elif test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.msys"; then
737            MAKE_EXPECTED_ENV='msys'
738          else
739            AC_MSG_ERROR([Unknown Windows environment])
740          fi
741          MAKE_BUILT_FOR=`$MAKE_CANDIDATE --version | $GREP -i 'built for'`
742          IS_MAKE_CORRECT_ENV=`$ECHO $MAKE_BUILT_FOR | $GREP $MAKE_EXPECTED_ENV`
743        else
744          # Not relevant for non-Windows
745          IS_MAKE_CORRECT_ENV=true
746        fi
747        if test "x$IS_MAKE_CORRECT_ENV" = x; then
748          AC_MSG_NOTICE([Found GNU make version $MAKE_VERSION_STRING at $MAKE_CANDIDATE, but it is not for $MAKE_EXPECTED_ENV (it says: $MAKE_BUILT_FOR). Ignoring.])
749        else
750          FOUND_MAKE=$MAKE_CANDIDATE
751          BASIC_FIXUP_EXECUTABLE(FOUND_MAKE)
752        fi
753      fi
754    fi
755  fi
756])
757
758AC_DEFUN([BASIC_CHECK_MAKE_OUTPUT_SYNC],
759[
760  # Check if make supports the output sync option and if so, setup using it.
761  AC_MSG_CHECKING([if make --output-sync is supported])
762  if $MAKE --version -O > /dev/null 2>&1; then
763    OUTPUT_SYNC_SUPPORTED=true
764    AC_MSG_RESULT([yes])
765    AC_MSG_CHECKING([for output-sync value])
766    AC_ARG_WITH([output-sync], [AS_HELP_STRING([--with-output-sync],
767      [set make output sync type if supported by make. @<:@recurse@:>@])],
768      [OUTPUT_SYNC=$with_output_sync])
769    if test "x$OUTPUT_SYNC" = "x"; then
770      OUTPUT_SYNC=none
771    fi
772    AC_MSG_RESULT([$OUTPUT_SYNC])
773    if ! $MAKE --version -O$OUTPUT_SYNC > /dev/null 2>&1; then
774      AC_MSG_ERROR([Make did not the support the value $OUTPUT_SYNC as output sync type.])
775    fi
776  else
777    OUTPUT_SYNC_SUPPORTED=false
778    AC_MSG_RESULT([no])
779  fi
780  AC_SUBST(OUTPUT_SYNC_SUPPORTED)
781  AC_SUBST(OUTPUT_SYNC)
782])
783
784# Goes looking for a usable version of GNU make.
785AC_DEFUN([BASIC_CHECK_GNU_MAKE],
786[
787  # We need to find a recent version of GNU make. Especially on Solaris, this can be tricky.
788  if test "x$MAKE" != x; then
789    # User has supplied a make, test it.
790    if test ! -f "$MAKE"; then
791      AC_MSG_ERROR([The specified make (by MAKE=$MAKE) is not found.])
792    fi
793    BASIC_CHECK_MAKE_VERSION("$MAKE", [user supplied MAKE=$MAKE])
794    if test "x$FOUND_MAKE" = x; then
795      AC_MSG_ERROR([The specified make (by MAKE=$MAKE) is not GNU make 3.81 or newer.])
796    fi
797  else
798    # Try our hardest to locate a correct version of GNU make
799    AC_PATH_PROGS(CHECK_GMAKE, gmake)
800    BASIC_CHECK_MAKE_VERSION("$CHECK_GMAKE", [gmake in PATH])
801
802    if test "x$FOUND_MAKE" = x; then
803      AC_PATH_PROGS(CHECK_MAKE, make)
804      BASIC_CHECK_MAKE_VERSION("$CHECK_MAKE", [make in PATH])
805    fi
806
807    if test "x$FOUND_MAKE" = x; then
808      if test "x$TOOLCHAIN_PATH" != x; then
809        # We have a toolchain path, check that as well before giving up.
810        OLD_PATH=$PATH
811        PATH=$TOOLCHAIN_PATH:$PATH
812        AC_PATH_PROGS(CHECK_TOOLSDIR_GMAKE, gmake)
813        BASIC_CHECK_MAKE_VERSION("$CHECK_TOOLSDIR_GMAKE", [gmake in tools-dir])
814        if test "x$FOUND_MAKE" = x; then
815          AC_PATH_PROGS(CHECK_TOOLSDIR_MAKE, make)
816          BASIC_CHECK_MAKE_VERSION("$CHECK_TOOLSDIR_MAKE", [make in tools-dir])
817        fi
818        PATH=$OLD_PATH
819      fi
820    fi
821
822    if test "x$FOUND_MAKE" = x; then
823      AC_MSG_ERROR([Cannot find GNU make 3.81 or newer! Please put it in the path, or add e.g. MAKE=/opt/gmake3.81/make as argument to configure.])
824    fi
825  fi
826
827  MAKE=$FOUND_MAKE
828  AC_SUBST(MAKE)
829  AC_MSG_NOTICE([Using GNU make 3.81 (or later) at $FOUND_MAKE (version: $MAKE_VERSION_STRING)])
830
831  BASIC_CHECK_MAKE_OUTPUT_SYNC
832])
833
834AC_DEFUN([BASIC_CHECK_FIND_DELETE],
835[
836  # Test if find supports -delete
837  AC_MSG_CHECKING([if find supports -delete])
838  FIND_DELETE="-delete"
839
840  DELETEDIR=`$MKTEMP -d tmp.XXXXXXXXXX` || (echo Could not create temporary directory!; exit $?)
841
842  echo Hejsan > $DELETEDIR/TestIfFindSupportsDelete
843
844  TEST_DELETE=`$FIND "$DELETEDIR" -name TestIfFindSupportsDelete $FIND_DELETE 2>&1`
845  if test -f $DELETEDIR/TestIfFindSupportsDelete; then
846    # No, it does not.
847    rm $DELETEDIR/TestIfFindSupportsDelete
848    if test "x$OPENJDK_TARGET_OS" = "xaix"; then
849      # AIX 'find' is buggy if called with '-exec {} \+' and an empty file list
850      FIND_DELETE="-print | xargs rm"
851    else
852      FIND_DELETE="-exec rm \{\} \+"
853    fi
854    AC_MSG_RESULT([no])
855  else
856    AC_MSG_RESULT([yes])
857  fi
858  rmdir $DELETEDIR
859  AC_SUBST(FIND_DELETE)
860])
861
862AC_DEFUN_ONCE([BASIC_SETUP_COMPLEX_TOOLS],
863[
864  BASIC_CHECK_GNU_MAKE
865
866  BASIC_CHECK_FIND_DELETE
867
868  # These tools might not be installed by default,
869  # need hint on how to install them.
870  BASIC_REQUIRE_PROGS(UNZIP, unzip)
871  BASIC_REQUIRE_PROGS(ZIP, zip)
872
873  # Non-required basic tools
874
875  BASIC_PATH_PROGS(LDD, ldd)
876  if test "x$LDD" = "x"; then
877    # List shared lib dependencies is used for
878    # debug output and checking for forbidden dependencies.
879    # We can build without it.
880    LDD="true"
881  fi
882  BASIC_PATH_PROGS(OTOOL, otool)
883  if test "x$OTOOL" = "x"; then
884    OTOOL="true"
885  fi
886  BASIC_PATH_PROGS(READELF, [greadelf readelf])
887  BASIC_PATH_PROGS(HG, hg)
888  BASIC_PATH_PROGS(STAT, stat)
889  BASIC_PATH_PROGS(TIME, time)
890  # Check if it's GNU time
891  IS_GNU_TIME=`$TIME --version 2>&1 | $GREP 'GNU time'`
892  if test "x$IS_GNU_TIME" != x; then
893    IS_GNU_TIME=yes
894  else
895    IS_GNU_TIME=no
896  fi
897  AC_SUBST(IS_GNU_TIME)
898
899  if test "x$OPENJDK_TARGET_OS" = "xwindows"; then
900    BASIC_REQUIRE_PROGS(COMM, comm)
901  fi
902
903  if test "x$OPENJDK_TARGET_OS" = "xmacosx"; then
904    BASIC_REQUIRE_PROGS(DSYMUTIL, dsymutil)
905    BASIC_REQUIRE_PROGS(XATTR, xattr)
906    BASIC_PATH_PROGS(CODESIGN, codesign)
907    if test "x$CODESIGN" != "x"; then
908      # Verify that the openjdk_codesign certificate is present
909      AC_MSG_CHECKING([if openjdk_codesign certificate is present])
910      rm -f codesign-testfile
911      touch codesign-testfile
912      codesign -s openjdk_codesign codesign-testfile 2>&AS_MESSAGE_LOG_FD >&AS_MESSAGE_LOG_FD || CODESIGN=
913      rm -f codesign-testfile
914      if test "x$CODESIGN" = x; then
915        AC_MSG_RESULT([no])
916      else
917        AC_MSG_RESULT([yes])
918      fi
919    fi
920  fi
921])
922
923# Check if build directory is on local disk. If not possible to determine,
924# we prefer to claim it's local.
925# Argument 1: directory to test
926# Argument 2: what to do if it is on local disk
927# Argument 3: what to do otherwise (remote disk or failure)
928AC_DEFUN([BASIC_CHECK_DIR_ON_LOCAL_DISK],
929[
930  # df -l lists only local disks; if the given directory is not found then
931  # a non-zero exit code is given
932  if test "x$DF" = x; then
933    if test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.msys"; then
934      # msys does not have df; use Windows "net use" instead.
935      IS_NETWORK_DISK=`net use | grep \`pwd -W | cut -d ":" -f 1 | tr a-z A-Z\`:`
936      if test "x$IS_NETWORK_DISK" = x; then
937        $2
938      else
939        $3
940      fi
941    else
942      # No df here, say it's local
943      $2
944    fi
945  else
946    if $DF -l $1 > /dev/null 2>&1; then
947      $2
948    else
949      $3
950    fi
951  fi
952])
953
954# Check that source files have basic read permissions set. This might
955# not be the case in cygwin in certain conditions.
956AC_DEFUN_ONCE([BASIC_CHECK_SRC_PERMS],
957[
958  if test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.cygwin"; then
959    file_to_test="$SRC_ROOT/LICENSE"
960    if test `$STAT -c '%a' "$file_to_test"` -lt 400; then
961      AC_MSG_ERROR([Bad file permissions on src files. This is usually caused by cloning the repositories with a non cygwin hg in a directory not created in cygwin.])
962    fi
963  fi
964])
965
966AC_DEFUN_ONCE([BASIC_TEST_USABILITY_ISSUES],
967[
968  # Did user specify any unknown variables?
969  BASIC_CHECK_LEFTOVER_OVERRIDDEN
970
971  AC_MSG_CHECKING([if build directory is on local disk])
972  BASIC_CHECK_DIR_ON_LOCAL_DISK($OUTPUT_ROOT,
973      [OUTPUT_DIR_IS_LOCAL="yes"],
974      [OUTPUT_DIR_IS_LOCAL="no"])
975  AC_MSG_RESULT($OUTPUT_DIR_IS_LOCAL)
976
977  BASIC_CHECK_SRC_PERMS
978
979  # Check if the user has any old-style ALT_ variables set.
980  FOUND_ALT_VARIABLES=`env | grep ^ALT_`
981
982  # Before generating output files, test if they exist. If they do, this is a reconfigure.
983  # Since we can't properly handle the dependencies for this, warn the user about the situation
984  if test -e $OUTPUT_ROOT/spec.gmk; then
985    IS_RECONFIGURE=yes
986  else
987    IS_RECONFIGURE=no
988  fi
989])
990