common/autoconf/basics.m4

Tue, 20 Mar 2018 09:19:10 -0700

author
kevinw
date
Tue, 20 Mar 2018 09:19:10 -0700
changeset 2204
0e87966d7ff1
parent 2203
28b247535e18
child 2205
54eb4c29ece4
permissions
-rw-r--r--

8031759: Improved tool overriding in configure
Reviewed-by: ihse, tbell, mduigou, erikj

     1 #
     2 # Copyright (c) 2011, 2015, 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 #
    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.
    29 AC_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 ])
    46 # Appends a string to a path variable, only adding the : when needed.
    47 AC_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 ])
    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 # $1: The name of the variable to fix
    64 AC_DEFUN([BASIC_FIXUP_PATH],
    65 [
    66   if test "x$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
    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
    85     $1="`cd "$path"; $THEPWDCMD -L`"
    86   fi
    87 ])
    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 # $1: The name of the variable to fix
   100 AC_DEFUN([BASIC_FIXUP_EXECUTABLE],
   101 [
   102   if test "x$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#* }"
   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
   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 $1])
   140     fi
   141   fi
   143   # Now join together the path and the arguments once again
   144   if test "x$arguments" != xEOL; then
   145     new_complete="$new_path ${arguments% *}"
   146   else
   147     new_complete="$new_path"
   148   fi
   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 ])
   156 AC_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
   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 ])
   206 # Register a --with argument but mark it as deprecated
   207 # $1: The name of the with argument to deprecate, not including --with-
   208 AC_DEFUN([BASIC_DEPRECATED_ARG_WITH],
   209 [
   210   AC_ARG_WITH($1, [AS_HELP_STRING([--with-$1],
   211       [Deprecated. Option is kept for backwards compatibility and is ignored])],
   212       [AC_MSG_WARN([Option --with-$1 is deprecated and will be ignored.])])
   213 ])
   215 # Register a --enable argument but mark it as deprecated
   216 # $1: The name of the with argument to deprecate, not including --enable-
   217 # $2: The name of the argument to deprecate, in shell variable style (i.e. with _ instead of -)
   218 AC_DEFUN([BASIC_DEPRECATED_ARG_ENABLE],
   219 [
   220   AC_ARG_ENABLE($1, [AS_HELP_STRING([--enable-$1],
   221       [Deprecated. Option is kept for backwards compatibility and is ignored])])
   222   if test "x$enable_$2" != x; then
   223     AC_MSG_WARN([Option --enable-$1 is deprecated and will be ignored.])
   224   fi
   225 ])
   227 AC_DEFUN_ONCE([BASIC_INIT],
   228 [
   229   # Save the original command line. This is passed to us by the wrapper configure script.
   230   AC_SUBST(CONFIGURE_COMMAND_LINE)
   231   DATE_WHEN_CONFIGURED=`LANG=C date`
   232   AC_SUBST(DATE_WHEN_CONFIGURED)
   233   AC_MSG_NOTICE([Configuration created at $DATE_WHEN_CONFIGURED.])
   234   AC_MSG_NOTICE([configure script generated at timestamp $DATE_WHEN_GENERATED.])
   235 ])
   237 # Test that variable $1 denoting a program is not empty. If empty, exit with an error.
   238 # $1: variable to check
   239 AC_DEFUN([BASIC_CHECK_NONEMPTY],
   240 [
   241   if test "x[$]$1" = x; then
   242     AC_MSG_ERROR([Could not find required tool for $1])
   243   fi
   244 ])
   246 # Check that there are no unprocessed overridden variables left.
   247 # If so, they are an incorrect argument and we will exit with an error.
   248 AC_DEFUN([BASIC_CHECK_LEFTOVER_OVERRIDDEN],
   249 [
   250   if test "x$CONFIGURE_OVERRIDDEN_VARIABLES" != x; then
   251     # Replace the separating ! with spaces before presenting for end user.
   252     unknown_variables=${CONFIGURE_OVERRIDDEN_VARIABLES//!/ }
   253     AC_MSG_ERROR([The following variables are unknown to configure: $unknown_variables])
   254   fi
   255 ])
   257 # Setup a tool for the given variable. If correctly specified by the user, 
   258 # use that value, otherwise search for the tool using the supplied code snippet.
   259 # $1: variable to set
   260 # $2: code snippet to call to look for the tool
   261 AC_DEFUN([BASIC_SETUP_TOOL],
   262 [
   263   # Publish this variable in the help.
   264   AC_ARG_VAR($1, [Override default value for $1])
   266   if test "x[$]$1" = x; then
   267     # The variable is not set by user, try to locate tool using the code snippet
   268     $2
   269   else
   270     # The variable is set, but is it from the command line or the environment?
   272     # Try to remove the string !$1! from our list.
   273     try_remove_var=${CONFIGURE_OVERRIDDEN_VARIABLES//!$1!/}
   274     if test "x$try_remove_var" = "x$CONFIGURE_OVERRIDDEN_VARIABLES"; then
   275       # If it failed, the variable was not from the command line. Ignore it,
   276       # but warn the user (except for BASH, which is always set by the calling BASH).
   277       if test "x$1" != xBASH; then
   278         AC_MSG_WARN([Ignoring value of $1 from the environment. Use command line variables instead.])
   279       fi
   280       # Try to locate tool using the code snippet
   281       $2
   282     else
   283       # If it succeeded, then it was overridden by the user. We will use it
   284       # for the tool.
   286       # First remove it from the list of overridden variables, so we can test
   287       # for unknown variables in the end.
   288       CONFIGURE_OVERRIDDEN_VARIABLES="$try_remove_var"
   290       # Check if the provided tool contains a complete path.
   291       tool_specified="[$]$1"
   292       tool_basename="${tool_specified##*/}"
   293       if test "x$tool_basename" = "x$tool_specified"; then
   294         # A command without a complete path is provided, search $PATH.
   295         AC_MSG_NOTICE([Will search for user supplied tool $1=$tool_basename])
   296         AC_PATH_PROG($1, $tool_basename)
   297         if test "x[$]$1" = x; then
   298           AC_MSG_ERROR([User supplied tool $tool_basename could not be found])
   299         fi
   300       else
   301         # Otherwise we believe it is a complete path. Use it as it is.
   302         AC_MSG_NOTICE([Will use user supplied tool $1=$tool_specified])
   303         AC_MSG_CHECKING([for $1])
   304         if test ! -x "$tool_specified"; then
   305           AC_MSG_RESULT([not found])
   306           AC_MSG_ERROR([User supplied tool $1=$tool_specified does not exist or is not executable])
   307         fi
   308         AC_MSG_RESULT([$tool_specified])
   309       fi
   310     fi
   311   fi
   312 ])
   314 # Call BASIC_SETUP_TOOL with AC_PATH_PROGS to locate the tool
   315 # $1: variable to set
   316 # $2: executable name (or list of names) to look for
   317 AC_DEFUN([BASIC_PATH_PROGS],
   318 [
   319   BASIC_SETUP_TOOL($1, [AC_PATH_PROGS($1, $2)])
   320 ])
   322 # Call BASIC_SETUP_TOOL with AC_CHECK_TOOLS to locate the tool
   323 # $1: variable to set
   324 # $2: executable name (or list of names) to look for
   325 AC_DEFUN([BASIC_CHECK_TOOLS],
   326 [
   327   BASIC_SETUP_TOOL($1, [AC_CHECK_TOOLS($1, $2)])
   328 ])
   330 # Like BASIC_PATH_PROGS but fails if no tool was found.
   331 # $1: variable to set
   332 # $2: executable name (or list of names) to look for
   333 AC_DEFUN([BASIC_REQUIRE_PROGS],
   334 [
   335   BASIC_PATH_PROGS($1, $2)
   336   BASIC_CHECK_NONEMPTY($1)
   337 ])
   339 # Like BASIC_SETUP_TOOL but fails if no tool was found.
   340 # $1: variable to set
   341 # $2: autoconf macro to call to look for the special tool
   342 AC_DEFUN([BASIC_REQUIRE_SPECIAL],
   343 [
   344   BASIC_SETUP_TOOL($1, [$2])
   345   BASIC_CHECK_NONEMPTY($1)
   346 ])
   348 # Setup the most fundamental tools that relies on not much else to set up,
   349 # but is used by much of the early bootstrap code.
   350 AC_DEFUN_ONCE([BASIC_SETUP_FUNDAMENTAL_TOOLS],
   351 [
   352   # Start with tools that do not need have cross compilation support
   353   # and can be expected to be found in the default PATH. These tools are
   354   # used by configure. Nor are these tools expected to be found in the
   355   # devkit from the builddeps server either, since they are
   356   # needed to download the devkit.
   358   # First are all the simple required tools.
   359   BASIC_REQUIRE_PROGS(BASENAME, basename)
   360   BASIC_REQUIRE_PROGS(BASH, bash)
   361   BASIC_REQUIRE_PROGS(CAT, cat)
   362   BASIC_REQUIRE_PROGS(CHMOD, chmod)
   363   BASIC_REQUIRE_PROGS(CMP, cmp)
   364   BASIC_REQUIRE_PROGS(COMM, comm)
   365   BASIC_REQUIRE_PROGS(CP, cp)
   366   BASIC_REQUIRE_PROGS(CPIO, cpio)
   367   BASIC_REQUIRE_PROGS(CUT, cut)
   368   BASIC_REQUIRE_PROGS(DATE, date)
   369   BASIC_REQUIRE_PROGS(DIFF, [gdiff diff])
   370   BASIC_REQUIRE_PROGS(DIRNAME, dirname)
   371   BASIC_REQUIRE_PROGS(ECHO, echo)
   372   BASIC_REQUIRE_PROGS(EXPR, expr)
   373   BASIC_REQUIRE_PROGS(FILE, file)
   374   BASIC_REQUIRE_PROGS(FIND, find)
   375   BASIC_REQUIRE_PROGS(HEAD, head)
   376   BASIC_REQUIRE_PROGS(LN, ln)
   377   BASIC_REQUIRE_PROGS(LS, ls)
   378   BASIC_REQUIRE_PROGS(MKDIR, mkdir)
   379   BASIC_REQUIRE_PROGS(MKTEMP, mktemp)
   380   BASIC_REQUIRE_PROGS(MV, mv)
   381   BASIC_REQUIRE_PROGS(NAWK, [nawk gawk awk])
   382   BASIC_REQUIRE_PROGS(PRINTF, printf)
   383   BASIC_REQUIRE_PROGS(RM, rm)
   384   BASIC_REQUIRE_PROGS(SH, sh)
   385   BASIC_REQUIRE_PROGS(SORT, sort)
   386   BASIC_REQUIRE_PROGS(TAIL, tail)
   387   BASIC_REQUIRE_PROGS(TAR, tar)
   388   BASIC_REQUIRE_PROGS(TEE, tee)
   389   BASIC_REQUIRE_PROGS(TOUCH, touch)
   390   BASIC_REQUIRE_PROGS(TR, tr)
   391   BASIC_REQUIRE_PROGS(UNAME, uname)
   392   BASIC_REQUIRE_PROGS(UNIQ, uniq)
   393   BASIC_REQUIRE_PROGS(WC, wc)
   394   BASIC_REQUIRE_PROGS(WHICH, which)
   395   BASIC_REQUIRE_PROGS(XARGS, xargs)
   397   # Then required tools that require some special treatment.
   398   BASIC_REQUIRE_SPECIAL(AWK, [AC_PROG_AWK])
   399   BASIC_REQUIRE_SPECIAL(GREP, [AC_PROG_GREP])
   400   BASIC_REQUIRE_SPECIAL(EGREP, [AC_PROG_EGREP])
   401   BASIC_REQUIRE_SPECIAL(FGREP, [AC_PROG_FGREP])
   402   BASIC_REQUIRE_SPECIAL(SED, [AC_PROG_SED])
   404   # Always force rm.
   405   RM="$RM -f"
   407   # pwd behaves differently on various platforms and some don't support the -L flag.
   408   # Always use the bash builtin pwd to get uniform behavior.
   409   THEPWDCMD=pwd
   411   # These are not required on all platforms
   412   BASIC_PATH_PROGS(CYGPATH, cygpath)
   413   BASIC_PATH_PROGS(READLINK, [greadlink readlink])
   414   BASIC_PATH_PROGS(DF, df)
   415   BASIC_PATH_PROGS(SETFILE, SetFile)
   416 ])
   418 # Setup basic configuration paths, and platform-specific stuff related to PATHs.
   419 AC_DEFUN_ONCE([BASIC_SETUP_PATHS],
   420 [
   421   # Locate the directory of this script.
   422   SCRIPT="[$]0"
   423   AUTOCONF_DIR=`cd \`$DIRNAME $SCRIPT\`; $THEPWDCMD -L`
   425   # Where is the source? It is located two levels above the configure script.
   426   CURDIR="$PWD"
   427   cd "$AUTOCONF_DIR/../.."
   428   SRC_ROOT="`$THEPWDCMD -L`"
   430   if test "x$OPENJDK_TARGET_OS" = "xwindows"; then
   431     PATH_SEP=";"
   432     BASIC_CHECK_PATHS_WINDOWS
   433   else
   434     PATH_SEP=":"
   435   fi
   437   AC_SUBST(SRC_ROOT)
   438   AC_SUBST(PATH_SEP)
   439   cd "$CURDIR"
   441   BASIC_FIXUP_PATH(SRC_ROOT)
   442   BASIC_FIXUP_PATH(CURDIR)
   444   if test "x$OPENJDK_BUILD_OS" = "xsolaris"; then
   445     # Add extra search paths on solaris for utilities like ar and as etc...
   446     PATH="$PATH:/usr/ccs/bin:/usr/sfw/bin:/opt/csw/bin"
   447   fi
   449   # You can force the sys-root if the sys-root encoded into the cross compiler tools
   450   # is not correct.
   451   AC_ARG_WITH(sys-root, [AS_HELP_STRING([--with-sys-root],
   452       [pass this sys-root to the compilers and tools (for cross-compiling)])])
   454   if test "x$with_sys_root" != x; then
   455     SYS_ROOT=$with_sys_root
   456   else
   457     SYS_ROOT=/
   458   fi
   459   AC_SUBST(SYS_ROOT)
   461   AC_ARG_WITH([tools-dir], [AS_HELP_STRING([--with-tools-dir],
   462       [search this directory for compilers and tools (for cross-compiling)])],
   463       [TOOLS_DIR=$with_tools_dir]
   464   )
   466   # Xcode version will be validated later
   467   AC_ARG_WITH([xcode-path], [AS_HELP_STRING([--with-xcode-path],
   468       [explicit path to Xcode 4 (generally for building on 10.9 and later)])],
   469       [XCODE_PATH=$with_xcode_path]
   470   )
   472   AC_ARG_WITH([devkit], [AS_HELP_STRING([--with-devkit],
   473       [use this directory as base for tools-dir and sys-root (for cross-compiling)])],
   474       [
   475         if test "x$with_sys_root" != x; then
   476           AC_MSG_ERROR([Cannot specify both --with-devkit and --with-sys-root at the same time])
   477         fi
   478         BASIC_FIXUP_PATH([with_devkit])
   479         BASIC_APPEND_TO_PATH([TOOLS_DIR],$with_devkit/bin)
   480         if test -d "$with_devkit/$host_alias/libc"; then
   481           SYS_ROOT=$with_devkit/$host_alias/libc
   482         elif test -d "$with_devkit/$host/sys-root"; then
   483           SYS_ROOT=$with_devkit/$host/sys-root
   484         fi
   485       ])
   486 ])
   488 AC_DEFUN_ONCE([BASIC_SETUP_OUTPUT_DIR],
   489 [
   491   AC_ARG_WITH(conf-name, [AS_HELP_STRING([--with-conf-name],
   492       [use this as the name of the configuration @<:@generated from important configuration options@:>@])],
   493       [ CONF_NAME=${with_conf_name} ])
   495   # Test from where we are running configure, in or outside of src root.
   496   if test "x$CURDIR" = "x$SRC_ROOT" || test "x$CURDIR" = "x$SRC_ROOT/common" \
   497       || test "x$CURDIR" = "x$SRC_ROOT/common/autoconf" \
   498       || test "x$CURDIR" = "x$SRC_ROOT/make" ; then
   499     # We are running configure from the src root.
   500     # Create a default ./build/target-variant-debuglevel output root.
   501     if test "x${CONF_NAME}" = x; then
   502       CONF_NAME="${OPENJDK_TARGET_OS}-${OPENJDK_TARGET_CPU}-${JDK_VARIANT}-${ANDED_JVM_VARIANTS}-${DEBUG_LEVEL}"
   503     fi
   504     OUTPUT_ROOT="$SRC_ROOT/build/${CONF_NAME}"
   505     $MKDIR -p "$OUTPUT_ROOT"
   506     if test ! -d "$OUTPUT_ROOT"; then
   507       AC_MSG_ERROR([Could not create build directory $OUTPUT_ROOT])
   508     fi
   509   else
   510     # We are running configure from outside of the src dir.
   511     # Then use the current directory as output dir!
   512     # If configuration is situated in normal build directory, just use the build
   513     # directory name as configuration name, otherwise use the complete path.
   514     if test "x${CONF_NAME}" = x; then
   515       CONF_NAME=`$ECHO $CURDIR | $SED -e "s!^${SRC_ROOT}/build/!!"`
   516     fi
   517     OUTPUT_ROOT="$CURDIR"
   519     # WARNING: This might be a bad thing to do. You need to be sure you want to
   520     # have a configuration in this directory. Do some sanity checks!
   522     if test ! -e "$OUTPUT_ROOT/spec.gmk"; then
   523       # If we have a spec.gmk, we have run here before and we are OK. Otherwise, check for
   524       # other files
   525       files_present=`$LS $OUTPUT_ROOT`
   526       # Configure has already touched config.log and confdefs.h in the current dir when this check
   527       # is performed.
   528       filtered_files=`$ECHO "$files_present" | $SED -e 's/config.log//g' -e 's/confdefs.h//g' -e 's/ //g' \
   529       | $TR -d '\n'`
   530       if test "x$filtered_files" != x; then
   531         AC_MSG_NOTICE([Current directory is $CURDIR.])
   532         AC_MSG_NOTICE([Since this is not the source root, configure will output the configuration here])
   533         AC_MSG_NOTICE([(as opposed to creating a configuration in <src_root>/build/<conf-name>).])
   534         AC_MSG_NOTICE([However, this directory is not empty. This is not allowed, since it could])
   535         AC_MSG_NOTICE([seriously mess up just about everything.])
   536         AC_MSG_NOTICE([Try 'cd $SRC_ROOT' and restart configure])
   537         AC_MSG_NOTICE([(or create a new empty directory and cd to it).])
   538         AC_MSG_ERROR([Will not continue creating configuration in $CURDIR])
   539       fi
   540     fi
   541   fi
   542   AC_MSG_CHECKING([what configuration name to use])
   543   AC_MSG_RESULT([$CONF_NAME])
   545   BASIC_FIXUP_PATH(OUTPUT_ROOT)
   547   AC_SUBST(SPEC, $OUTPUT_ROOT/spec.gmk)
   548   AC_SUBST(CONF_NAME, $CONF_NAME)
   549   AC_SUBST(OUTPUT_ROOT, $OUTPUT_ROOT)
   551   # Most of the probed defines are put into config.h
   552   AC_CONFIG_HEADERS([$OUTPUT_ROOT/config.h:$AUTOCONF_DIR/config.h.in])
   553   # The spec.gmk file contains all variables for the make system.
   554   AC_CONFIG_FILES([$OUTPUT_ROOT/spec.gmk:$AUTOCONF_DIR/spec.gmk.in])
   555   # The hotspot-spec.gmk file contains legacy variables for the hotspot make system.
   556   AC_CONFIG_FILES([$OUTPUT_ROOT/hotspot-spec.gmk:$AUTOCONF_DIR/hotspot-spec.gmk.in])
   557   # The bootcycle-spec.gmk file contains support for boot cycle builds.
   558   AC_CONFIG_FILES([$OUTPUT_ROOT/bootcycle-spec.gmk:$AUTOCONF_DIR/bootcycle-spec.gmk.in])
   559   # The compare.sh is used to compare the build output to other builds.
   560   AC_CONFIG_FILES([$OUTPUT_ROOT/compare.sh:$AUTOCONF_DIR/compare.sh.in])
   561   # Spec.sh is currently used by compare-objects.sh
   562   AC_CONFIG_FILES([$OUTPUT_ROOT/spec.sh:$AUTOCONF_DIR/spec.sh.in])
   563   # The generated Makefile knows where the spec.gmk is and where the source is.
   564   # You can run make from the OUTPUT_ROOT, or from the top-level Makefile
   565   # which will look for generated configurations
   566   AC_CONFIG_FILES([$OUTPUT_ROOT/Makefile:$AUTOCONF_DIR/Makefile.in])
   568   # Save the arguments given to us
   569   echo "$CONFIGURE_COMMAND_LINE" > $OUTPUT_ROOT/configure-arguments
   570 ])
   572 AC_DEFUN_ONCE([BASIC_SETUP_LOGGING],
   573 [
   574   # Setup default logging of stdout and stderr to build.log in the output root.
   575   BUILD_LOG='$(OUTPUT_ROOT)/build.log'
   576   BUILD_LOG_PREVIOUS='$(OUTPUT_ROOT)/build.log.old'
   577   BUILD_LOG_WRAPPER='$(BASH) $(SRC_ROOT)/common/bin/logger.sh $(BUILD_LOG)'
   578   AC_SUBST(BUILD_LOG)
   579   AC_SUBST(BUILD_LOG_PREVIOUS)
   580   AC_SUBST(BUILD_LOG_WRAPPER)
   581 ])
   584 #%%% Simple tools %%%
   586 # Check if we have found a usable version of make
   587 # $1: the path to a potential make binary (or empty)
   588 # $2: the description on how we found this
   589 AC_DEFUN([BASIC_CHECK_MAKE_VERSION],
   590 [
   591   MAKE_CANDIDATE="$1"
   592   DESCRIPTION="$2"
   593   if test "x$MAKE_CANDIDATE" != x; then
   594     AC_MSG_NOTICE([Testing potential make at $MAKE_CANDIDATE, found using $DESCRIPTION])
   595     MAKE_VERSION_STRING=`$MAKE_CANDIDATE --version | $HEAD -n 1`
   596     IS_GNU_MAKE=`$ECHO $MAKE_VERSION_STRING | $GREP 'GNU Make'`
   597     if test "x$IS_GNU_MAKE" = x; then
   598       AC_MSG_NOTICE([Found potential make at $MAKE_CANDIDATE, however, this is not GNU Make. Ignoring.])
   599     else
   600       IS_MODERN_MAKE=`$ECHO $MAKE_VERSION_STRING | $GREP -e '3\.8[[12]]' -e '4\.'`
   601       if test "x$IS_MODERN_MAKE" = x; then
   602         AC_MSG_NOTICE([Found GNU make at $MAKE_CANDIDATE, however this is not version 3.81 or later. (it is: $MAKE_VERSION_STRING). Ignoring.])
   603       else
   604         if test "x$OPENJDK_BUILD_OS" = "xwindows"; then
   605           if test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.cygwin"; then
   606             MAKE_EXPECTED_ENV='cygwin'
   607           elif test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.msys"; then
   608             MAKE_EXPECTED_ENV='msys'
   609           else
   610             AC_MSG_ERROR([Unknown Windows environment])
   611           fi
   612           MAKE_BUILT_FOR=`$MAKE_CANDIDATE --version | $GREP -i 'built for'`
   613           IS_MAKE_CORRECT_ENV=`$ECHO $MAKE_BUILT_FOR | $GREP $MAKE_EXPECTED_ENV`
   614         else
   615           # Not relevant for non-Windows
   616           IS_MAKE_CORRECT_ENV=true
   617         fi
   618         if test "x$IS_MAKE_CORRECT_ENV" = x; then
   619           AC_MSG_NOTICE([Found GNU make version $MAKE_VERSION_STRING at $MAKE_CANDIDATE, but it is not for $MAKE_EXPECTED_ENV (it says: $MAKE_BUILT_FOR). Ignoring.])
   620         else
   621           FOUND_MAKE=$MAKE_CANDIDATE
   622           BASIC_FIXUP_EXECUTABLE(FOUND_MAKE)
   623         fi
   624       fi
   625     fi
   626   fi
   627 ])
   629 # Goes looking for a usable version of GNU make.
   630 AC_DEFUN([BASIC_CHECK_GNU_MAKE],
   631 [
   632   # We need to find a recent version of GNU make. Especially on Solaris, this can be tricky.
   633   if test "x$MAKE" != x; then
   634     # User has supplied a make, test it.
   635     if test ! -f "$MAKE"; then
   636       AC_MSG_ERROR([The specified make (by MAKE=$MAKE) is not found.])
   637     fi
   638     BASIC_CHECK_MAKE_VERSION("$MAKE", [user supplied MAKE=$MAKE])
   639     if test "x$FOUND_MAKE" = x; then
   640       AC_MSG_ERROR([The specified make (by MAKE=$MAKE) is not GNU make 3.81 or newer.])
   641     fi
   642   else
   643     # Try our hardest to locate a correct version of GNU make
   644     AC_PATH_PROGS(CHECK_GMAKE, gmake)
   645     BASIC_CHECK_MAKE_VERSION("$CHECK_GMAKE", [gmake in PATH])
   647     if test "x$FOUND_MAKE" = x; then
   648       AC_PATH_PROGS(CHECK_MAKE, make)
   649       BASIC_CHECK_MAKE_VERSION("$CHECK_MAKE", [make in PATH])
   650     fi
   652     if test "x$FOUND_MAKE" = x; then
   653       if test "x$TOOLS_DIR" != x; then
   654         # We have a tools-dir, check that as well before giving up.
   655         OLD_PATH=$PATH
   656         PATH=$TOOLS_DIR:$PATH
   657         AC_PATH_PROGS(CHECK_TOOLSDIR_GMAKE, gmake)
   658         BASIC_CHECK_MAKE_VERSION("$CHECK_TOOLSDIR_GMAKE", [gmake in tools-dir])
   659         if test "x$FOUND_MAKE" = x; then
   660           AC_PATH_PROGS(CHECK_TOOLSDIR_MAKE, make)
   661           BASIC_CHECK_MAKE_VERSION("$CHECK_TOOLSDIR_MAKE", [make in tools-dir])
   662         fi
   663         PATH=$OLD_PATH
   664       fi
   665     fi
   667     if test "x$FOUND_MAKE" = x; then
   668       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.])
   669     fi
   670   fi
   672   MAKE=$FOUND_MAKE
   673   AC_SUBST(MAKE)
   674   AC_MSG_NOTICE([Using GNU make 3.81 (or later) at $FOUND_MAKE (version: $MAKE_VERSION_STRING)])
   675 ])
   677 AC_DEFUN([BASIC_CHECK_FIND_DELETE],
   678 [
   679   # Test if find supports -delete
   680   AC_MSG_CHECKING([if find supports -delete])
   681   FIND_DELETE="-delete"
   683   DELETEDIR=`$MKTEMP -d tmp.XXXXXXXXXX` || (echo Could not create temporary directory!; exit $?)
   685   echo Hejsan > $DELETEDIR/TestIfFindSupportsDelete
   687   TEST_DELETE=`$FIND "$DELETEDIR" -name TestIfFindSupportsDelete $FIND_DELETE 2>&1`
   688   if test -f $DELETEDIR/TestIfFindSupportsDelete; then
   689     # No, it does not.
   690     rm $DELETEDIR/TestIfFindSupportsDelete
   691     FIND_DELETE="-exec rm \{\} \+"
   692     AC_MSG_RESULT([no])
   693   else
   694     AC_MSG_RESULT([yes])
   695   fi
   696   rmdir $DELETEDIR
   697   AC_SUBST(FIND_DELETE)
   698 ])
   700 AC_DEFUN_ONCE([BASIC_SETUP_COMPLEX_TOOLS],
   701 [
   702   BASIC_CHECK_GNU_MAKE
   704   BASIC_CHECK_FIND_DELETE
   706   # These tools might not be installed by default,
   707   # need hint on how to install them.
   708   BASIC_REQUIRE_PROGS(UNZIP, unzip)
   709   BASIC_REQUIRE_PROGS(ZIP, zip)
   711   # Non-required basic tools
   713   BASIC_PATH_PROGS(LDD, ldd)
   714   if test "x$LDD" = "x"; then
   715     # List shared lib dependencies is used for
   716     # debug output and checking for forbidden dependencies.
   717     # We can build without it.
   718     LDD="true"
   719   fi
   720   BASIC_PATH_PROGS(READELF, [readelf greadelf])
   721   BASIC_PATH_PROGS(HG, hg)
   722   BASIC_PATH_PROGS(STAT, stat)
   723   BASIC_PATH_PROGS(TIME, time)
   724   # Check if it's GNU time
   725   IS_GNU_TIME=`$TIME --version 2>&1 | $GREP 'GNU time'`
   726   if test "x$IS_GNU_TIME" != x; then
   727     IS_GNU_TIME=yes
   728   else
   729     IS_GNU_TIME=no
   730   fi
   731   AC_SUBST(IS_GNU_TIME)
   733   if test "x$OPENJDK_TARGET_OS" = "xwindows"; then
   734     BASIC_REQUIRE_PROGS(COMM, comm)
   735   fi
   737   if test "x$OPENJDK_TARGET_OS" = "xmacosx"; then
   738     BASIC_REQUIRE_PROGS(DSYMUTIL, dsymutil)
   739     BASIC_REQUIRE_PROGS(XATTR, xattr)
   740     BASIC_PATH_PROGS(CODESIGN, codesign)
   741     if test "x$CODESIGN" != "x"; then
   742       # Verify that the openjdk_codesign certificate is present
   743       AC_MSG_CHECKING([if openjdk_codesign certificate is present])
   744       rm -f codesign-testfile
   745       touch codesign-testfile
   746       codesign -s openjdk_codesign codesign-testfile 2>&AS_MESSAGE_LOG_FD >&AS_MESSAGE_LOG_FD || CODESIGN=
   747       rm -f codesign-testfile
   748       if test "x$CODESIGN" = x; then
   749         AC_MSG_RESULT([no])
   750       else
   751         AC_MSG_RESULT([yes])
   752       fi
   753     fi
   754   fi
   755 ])
   757 # Check if build directory is on local disk. If not possible to determine,
   758 # we prefer to claim it's local.
   759 # Argument 1: directory to test
   760 # Argument 2: what to do if it is on local disk
   761 # Argument 3: what to do otherwise (remote disk or failure)
   762 AC_DEFUN([BASIC_CHECK_DIR_ON_LOCAL_DISK],
   763 [
   764   # df -l lists only local disks; if the given directory is not found then
   765   # a non-zero exit code is given
   766   if test "x$DF" = x; then
   767     if test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.msys"; then
   768       # msys does not have df; use Windows "net use" instead.
   769       IS_NETWORK_DISK=`net use | grep \`pwd -W | cut -d ":" -f 1 | tr a-z A-Z\`:`
   770       if test "x$IS_NETWORK_DISK" = x; then
   771         $2
   772       else
   773         $3
   774       fi
   775     else
   776       # No df here, say it's local
   777       $2
   778     fi
   779   else
   780     if $DF -l $1 > /dev/null 2>&1; then
   781       $2
   782     else
   783       $3
   784     fi
   785   fi
   786 ])
   788 # Check that source files have basic read permissions set. This might
   789 # not be the case in cygwin in certain conditions.
   790 AC_DEFUN_ONCE([BASIC_CHECK_SRC_PERMS],
   791 [
   792   if test x"$OPENJDK_BUILD_OS" = xwindows; then
   793     file_to_test="$SRC_ROOT/LICENSE"
   794     if test `$STAT -c '%a' "$file_to_test"` -lt 400; then
   795       AC_MSG_ERROR([Bad file permissions on src files. This is usually caused by cloning the repositories with a non cygwin hg in a directory not created in cygwin.])
   796     fi
   797   fi
   798 ])
   800 AC_DEFUN_ONCE([BASIC_TEST_USABILITY_ISSUES],
   801 [
   802   # Did user specify any unknown variables?
   803   BASIC_CHECK_LEFTOVER_OVERRIDDEN
   805   AC_MSG_CHECKING([if build directory is on local disk])
   806   BASIC_CHECK_DIR_ON_LOCAL_DISK($OUTPUT_ROOT,
   807       [OUTPUT_DIR_IS_LOCAL="yes"],
   808       [OUTPUT_DIR_IS_LOCAL="no"])
   809   AC_MSG_RESULT($OUTPUT_DIR_IS_LOCAL)
   811   BASIC_CHECK_SRC_PERMS
   813   # Check if the user has any old-style ALT_ variables set.
   814   FOUND_ALT_VARIABLES=`env | grep ^ALT_`
   816   # Before generating output files, test if they exist. If they do, this is a reconfigure.
   817   # Since we can't properly handle the dependencies for this, warn the user about the situation
   818   if test -e $OUTPUT_ROOT/spec.gmk; then
   819     IS_RECONFIGURE=yes
   820   else
   821     IS_RECONFIGURE=no
   822   fi
   823 ])

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