jdk8-mips64-public: common/autoconf/basics.m4@0e87966d7ff1 (annotated)

common/autoconf/basics.m4@0e87966d7ff1 (annotated)

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

 #
 # Copyright (c) 2011, 2015, Oracle and/or its affiliates. All rights reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 #
 # This code is free software; you can redistribute it and/or modify it
 # under the terms of the GNU General Public License version 2 only, as
 # published by the Free Software Foundation.  Oracle designates this
 # particular file as subject to the "Classpath" exception as provided
 # by Oracle in the LICENSE file that accompanied this code.
 #
 # This code is distributed in the hope that it will be useful, but WITHOUT
 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 # FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 # version 2 for more details (a copy is included in the LICENSE file that
 # accompanied this code).
 #
 # You should have received a copy of the GNU General Public License version
 # 2 along with this work; if not, write to the Free Software Foundation,
 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 #
 # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 # or visit www.oracle.com if you need additional information or have any
 # questions.
 #
 # Test if $1 is a valid argument to $3 (often is $JAVA passed as $3)
 # If so, then append $1 to $2 \
 # Also set JVM_ARG_OK to true/false depending on outcome.
 AC_DEFUN([ADD_JVM_ARG_IF_OK],
 [
   $ECHO "Check if jvm arg is ok: $1" >&AS_MESSAGE_LOG_FD
   $ECHO "Command: $3 $1 -version" >&AS_MESSAGE_LOG_FD
   OUTPUT=`$3 $1 -version 2>&1`
   FOUND_WARN=`$ECHO "$OUTPUT" | grep -i warn`
   FOUND_VERSION=`$ECHO $OUTPUT | grep " version \""`
   if test "x$FOUND_VERSION" != x && test "x$FOUND_WARN" = x; then
     $2="[$]$2 $1"
     JVM_ARG_OK=true
   else
     $ECHO "Arg failed:" >&AS_MESSAGE_LOG_FD
     $ECHO "$OUTPUT" >&AS_MESSAGE_LOG_FD
     JVM_ARG_OK=false
   fi
 ])
 # Appends a string to a path variable, only adding the : when needed.
 AC_DEFUN([BASIC_APPEND_TO_PATH],
 [
   if test "x[$]$1" = x; then
     $1="$2"
   else
     $1="[$]$1:$2"
   fi
 ])
 # This will make sure the given variable points to a full and proper
 # path. This means:
 # 1) There will be no spaces in the path. On posix platforms,
 #    spaces in the path will result in an error. On Windows,
 #    the path will be rewritten using short-style to be space-free.
 # 2) The path will be absolute, and it will be in unix-style (on
 #     cygwin).
 # $1: The name of the variable to fix
 AC_DEFUN([BASIC_FIXUP_PATH],
 [
   if test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.cygwin"; then
     BASIC_FIXUP_PATH_CYGWIN($1)
   elif test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.msys"; then
     BASIC_FIXUP_PATH_MSYS($1)
   else
     # We're on a posix platform. Hooray! :)
     path="[$]$1"
     has_space=`$ECHO "$path" | $GREP " "`
     if test "x$has_space" != x; then
       AC_MSG_NOTICE([The path of $1, which resolves as "$path", is invalid.])
       AC_MSG_ERROR([Spaces are not allowed in this path.])
     fi
     # Use eval to expand a potential ~
     eval path="$path"
     if test ! -f "$path" && test ! -d "$path"; then
       AC_MSG_ERROR([The path of $1, which resolves as "$path", is not found.])
     fi
     $1="`cd "$path"; $THEPWDCMD -L`"
   fi
 ])
 # This will make sure the given variable points to a executable
 # with a full and proper path. This means:
 # 1) There will be no spaces in the path. On posix platforms,
 #    spaces in the path will result in an error. On Windows,
 #    the path will be rewritten using short-style to be space-free.
 # 2) The path will be absolute, and it will be in unix-style (on
 #     cygwin).
 # Any arguments given to the executable is preserved.
 # If the input variable does not have a directory specification, then
 # it need to be in the PATH.
 # $1: The name of the variable to fix
 AC_DEFUN([BASIC_FIXUP_EXECUTABLE],
 [
   if test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.cygwin"; then
     BASIC_FIXUP_EXECUTABLE_CYGWIN($1)
   elif test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.msys"; then
     BASIC_FIXUP_EXECUTABLE_MSYS($1)
   else
     # We're on a posix platform. Hooray! :)
     # First separate the path from the arguments. This will split at the first
     # space.
     complete="[$]$1"
     path="${complete%% *}"
     tmp="$complete EOL"
     arguments="${tmp#* }"
     # Cannot rely on the command "which" here since it doesn't always work.
     is_absolute_path=`$ECHO "$path" | $GREP ^/`
     if test -z "$is_absolute_path"; then
       # Path to executable is not absolute. Find it.
       IFS_save="$IFS"
       IFS=:
       for p in $PATH; do
         if test -f "$p/$path" && test -x "$p/$path"; then
           new_path="$p/$path"
           break
         fi
       done
       IFS="$IFS_save"
     else
       AC_MSG_NOTICE([Resolving $1 (as $path) failed, using $path directly.])
       new_path="$path"
     fi
     if test "x$new_path" = x; then
       AC_MSG_NOTICE([The path of $1, which resolves as "$complete", is not found.])
       has_space=`$ECHO "$complete" | $GREP " "`
       if test "x$has_space" != x; then
         AC_MSG_NOTICE([This might be caused by spaces in the path, which is not allowed.])
       fi
       AC_MSG_ERROR([Cannot locate the the path of $1])
     fi
   fi
   # Now join together the path and the arguments once again
   if test "x$arguments" != xEOL; then
     new_complete="$new_path ${arguments% *}"
   else
     new_complete="$new_path"
   fi
   if test "x$complete" != "x$new_complete"; then
     $1="$new_complete"
     AC_MSG_NOTICE([Rewriting $1 to "$new_complete"])
   fi
 ])
 AC_DEFUN([BASIC_REMOVE_SYMBOLIC_LINKS],
 [
   if test "x$OPENJDK_BUILD_OS" != xwindows; then
     # Follow a chain of symbolic links. Use readlink
     # where it exists, else fall back to horribly
     # complicated shell code.
     if test "x$READLINK_TESTED" != yes; then
       # On MacOSX there is a readlink tool with a different
       # purpose than the GNU readlink tool. Check the found readlink.
       ISGNU=`$READLINK --version 2>&1 | $GREP GNU`
       if test "x$ISGNU" = x; then
         # A readlink that we do not know how to use.
         # Are there other non-GNU readlinks out there?
         READLINK_TESTED=yes
         READLINK=
       fi
     fi
     if test "x$READLINK" != x; then
       $1=`$READLINK -f [$]$1`
     else
       # Save the current directory for restoring afterwards
       STARTDIR=$PWD
       COUNTER=0
       sym_link_dir=`$DIRNAME [$]$1`
       sym_link_file=`$BASENAME [$]$1`
       cd $sym_link_dir
       # Use -P flag to resolve symlinks in directories.
       cd `$THEPWDCMD -P`
       sym_link_dir=`$THEPWDCMD -P`
       # Resolve file symlinks
       while test $COUNTER -lt 20; do
         ISLINK=`$LS -l $sym_link_dir/$sym_link_file | $GREP '\->' | $SED -e 's/.*-> \(.*\)/\1/'`
         if test "x$ISLINK" == x; then
           # This is not a symbolic link! We are done!
           break
         fi
         # Again resolve directory symlinks since the target of the just found
         # link could be in a different directory
         cd `$DIRNAME $ISLINK`
         sym_link_dir=`$THEPWDCMD -P`
         sym_link_file=`$BASENAME $ISLINK`
         let COUNTER=COUNTER+1
       done
       cd $STARTDIR
       $1=$sym_link_dir/$sym_link_file
     fi
   fi
 ])
 # Register a --with argument but mark it as deprecated
 # $1: The name of the with argument to deprecate, not including --with-
 AC_DEFUN([BASIC_DEPRECATED_ARG_WITH],
 [
   AC_ARG_WITH($1, [AS_HELP_STRING([--with-$1],
       [Deprecated. Option is kept for backwards compatibility and is ignored])],
       [AC_MSG_WARN([Option --with-$1 is deprecated and will be ignored.])])
 ])
 # Register a --enable argument but mark it as deprecated
 # $1: The name of the with argument to deprecate, not including --enable-
 # $2: The name of the argument to deprecate, in shell variable style (i.e. with _ instead of -)
 AC_DEFUN([BASIC_DEPRECATED_ARG_ENABLE],
 [
   AC_ARG_ENABLE($1, [AS_HELP_STRING([--enable-$1],
       [Deprecated. Option is kept for backwards compatibility and is ignored])])
   if test "x$enable_$2" != x; then
     AC_MSG_WARN([Option --enable-$1 is deprecated and will be ignored.])
   fi
 ])
 AC_DEFUN_ONCE([BASIC_INIT],
 [
   # Save the original command line. This is passed to us by the wrapper configure script.
   AC_SUBST(CONFIGURE_COMMAND_LINE)
   DATE_WHEN_CONFIGURED=`LANG=C date`
   AC_SUBST(DATE_WHEN_CONFIGURED)
   AC_MSG_NOTICE([Configuration created at $DATE_WHEN_CONFIGURED.])
   AC_MSG_NOTICE([configure script generated at timestamp $DATE_WHEN_GENERATED.])
 ])
 # Test that variable $1 denoting a program is not empty. If empty, exit with an error.
 # $1: variable to check
 AC_DEFUN([BASIC_CHECK_NONEMPTY],
 [
   if test "x[$]$1" = x; then
     AC_MSG_ERROR([Could not find required tool for $1])
   fi
 ])
 # Check that there are no unprocessed overridden variables left.
 # If so, they are an incorrect argument and we will exit with an error.
 AC_DEFUN([BASIC_CHECK_LEFTOVER_OVERRIDDEN],
 [
   if test "x$CONFIGURE_OVERRIDDEN_VARIABLES" != x; then
     # Replace the separating ! with spaces before presenting for end user.
     unknown_variables=${CONFIGURE_OVERRIDDEN_VARIABLES//!/ }
     AC_MSG_ERROR([The following variables are unknown to configure: $unknown_variables])
   fi
 ])
 # Setup a tool for the given variable. If correctly specified by the user,
 # use that value, otherwise search for the tool using the supplied code snippet.
 # $1: variable to set
 # $2: code snippet to call to look for the tool
 AC_DEFUN([BASIC_SETUP_TOOL],
 [
   # Publish this variable in the help.
   AC_ARG_VAR($1, [Override default value for $1])
   if test "x[$]$1" = x; then
     # The variable is not set by user, try to locate tool using the code snippet
     $2
   else
     # The variable is set, but is it from the command line or the environment?
     # Try to remove the string !$1! from our list.
     try_remove_var=${CONFIGURE_OVERRIDDEN_VARIABLES//!$1!/}
     if test "x$try_remove_var" = "x$CONFIGURE_OVERRIDDEN_VARIABLES"; then
       # If it failed, the variable was not from the command line. Ignore it,
       # but warn the user (except for BASH, which is always set by the calling BASH).
       if test "x$1" != xBASH; then
         AC_MSG_WARN([Ignoring value of $1 from the environment. Use command line variables instead.])
       fi
       # Try to locate tool using the code snippet
       $2
     else
       # If it succeeded, then it was overridden by the user. We will use it
       # for the tool.
       # First remove it from the list of overridden variables, so we can test
       # for unknown variables in the end.
       CONFIGURE_OVERRIDDEN_VARIABLES="$try_remove_var"
       # Check if the provided tool contains a complete path.
       tool_specified="[$]$1"
       tool_basename="${tool_specified##*/}"
       if test "x$tool_basename" = "x$tool_specified"; then
         # A command without a complete path is provided, search $PATH.
         AC_MSG_NOTICE([Will search for user supplied tool $1=$tool_basename])
         AC_PATH_PROG($1, $tool_basename)
         if test "x[$]$1" = x; then
           AC_MSG_ERROR([User supplied tool $tool_basename could not be found])
         fi
       else
         # Otherwise we believe it is a complete path. Use it as it is.
         AC_MSG_NOTICE([Will use user supplied tool $1=$tool_specified])
         AC_MSG_CHECKING([for $1])
         if test ! -x "$tool_specified"; then
           AC_MSG_RESULT([not found])
           AC_MSG_ERROR([User supplied tool $1=$tool_specified does not exist or is not executable])
         fi
         AC_MSG_RESULT([$tool_specified])
       fi
     fi
   fi
 ])
 # Call BASIC_SETUP_TOOL with AC_PATH_PROGS to locate the tool
 # $1: variable to set
 # $2: executable name (or list of names) to look for
 AC_DEFUN([BASIC_PATH_PROGS],
 [
   BASIC_SETUP_TOOL($1, [AC_PATH_PROGS($1, $2)])
 ])
 # Call BASIC_SETUP_TOOL with AC_CHECK_TOOLS to locate the tool
 # $1: variable to set
 # $2: executable name (or list of names) to look for
 AC_DEFUN([BASIC_CHECK_TOOLS],
 [
   BASIC_SETUP_TOOL($1, [AC_CHECK_TOOLS($1, $2)])
 ])
 # Like BASIC_PATH_PROGS but fails if no tool was found.
 # $1: variable to set
 # $2: executable name (or list of names) to look for
 AC_DEFUN([BASIC_REQUIRE_PROGS],
 [
   BASIC_PATH_PROGS($1, $2)
   BASIC_CHECK_NONEMPTY($1)
 ])
 # Like BASIC_SETUP_TOOL but fails if no tool was found.
 # $1: variable to set
 # $2: autoconf macro to call to look for the special tool
 AC_DEFUN([BASIC_REQUIRE_SPECIAL],
 [
   BASIC_SETUP_TOOL($1, [$2])
   BASIC_CHECK_NONEMPTY($1)
 ])
 # Setup the most fundamental tools that relies on not much else to set up,
 # but is used by much of the early bootstrap code.
 AC_DEFUN_ONCE([BASIC_SETUP_FUNDAMENTAL_TOOLS],
 [
   # Start with tools that do not need have cross compilation support
   # and can be expected to be found in the default PATH. These tools are
   # used by configure. Nor are these tools expected to be found in the
   # devkit from the builddeps server either, since they are
   # needed to download the devkit.
   # First are all the simple required tools.
   BASIC_REQUIRE_PROGS(BASENAME, basename)
   BASIC_REQUIRE_PROGS(BASH, bash)
   BASIC_REQUIRE_PROGS(CAT, cat)
   BASIC_REQUIRE_PROGS(CHMOD, chmod)
   BASIC_REQUIRE_PROGS(CMP, cmp)
   BASIC_REQUIRE_PROGS(COMM, comm)
   BASIC_REQUIRE_PROGS(CP, cp)
   BASIC_REQUIRE_PROGS(CPIO, cpio)
   BASIC_REQUIRE_PROGS(CUT, cut)
   BASIC_REQUIRE_PROGS(DATE, date)
   BASIC_REQUIRE_PROGS(DIFF, [gdiff diff])
   BASIC_REQUIRE_PROGS(DIRNAME, dirname)
   BASIC_REQUIRE_PROGS(ECHO, echo)
   BASIC_REQUIRE_PROGS(EXPR, expr)
   BASIC_REQUIRE_PROGS(FILE, file)
   BASIC_REQUIRE_PROGS(FIND, find)
   BASIC_REQUIRE_PROGS(HEAD, head)
   BASIC_REQUIRE_PROGS(LN, ln)
   BASIC_REQUIRE_PROGS(LS, ls)
   BASIC_REQUIRE_PROGS(MKDIR, mkdir)
   BASIC_REQUIRE_PROGS(MKTEMP, mktemp)
   BASIC_REQUIRE_PROGS(MV, mv)
   BASIC_REQUIRE_PROGS(NAWK, [nawk gawk awk])
   BASIC_REQUIRE_PROGS(PRINTF, printf)
   BASIC_REQUIRE_PROGS(RM, rm)
   BASIC_REQUIRE_PROGS(SH, sh)
   BASIC_REQUIRE_PROGS(SORT, sort)
   BASIC_REQUIRE_PROGS(TAIL, tail)
   BASIC_REQUIRE_PROGS(TAR, tar)
   BASIC_REQUIRE_PROGS(TEE, tee)
   BASIC_REQUIRE_PROGS(TOUCH, touch)
   BASIC_REQUIRE_PROGS(TR, tr)
   BASIC_REQUIRE_PROGS(UNAME, uname)
   BASIC_REQUIRE_PROGS(UNIQ, uniq)
   BASIC_REQUIRE_PROGS(WC, wc)
   BASIC_REQUIRE_PROGS(WHICH, which)
   BASIC_REQUIRE_PROGS(XARGS, xargs)
   # Then required tools that require some special treatment.
   BASIC_REQUIRE_SPECIAL(AWK, [AC_PROG_AWK])
   BASIC_REQUIRE_SPECIAL(GREP, [AC_PROG_GREP])
   BASIC_REQUIRE_SPECIAL(EGREP, [AC_PROG_EGREP])
   BASIC_REQUIRE_SPECIAL(FGREP, [AC_PROG_FGREP])
   BASIC_REQUIRE_SPECIAL(SED, [AC_PROG_SED])
   # Always force rm.
   RM="$RM -f"
   # pwd behaves differently on various platforms and some don't support the -L flag.
   # Always use the bash builtin pwd to get uniform behavior.
   THEPWDCMD=pwd
   # These are not required on all platforms
   BASIC_PATH_PROGS(CYGPATH, cygpath)
   BASIC_PATH_PROGS(READLINK, [greadlink readlink])
   BASIC_PATH_PROGS(DF, df)
   BASIC_PATH_PROGS(SETFILE, SetFile)
 ])
 # Setup basic configuration paths, and platform-specific stuff related to PATHs.
 AC_DEFUN_ONCE([BASIC_SETUP_PATHS],
 [
   # Locate the directory of this script.
   SCRIPT="[$]0"
   AUTOCONF_DIR=`cd \`$DIRNAME $SCRIPT\`; $THEPWDCMD -L`
   # Where is the source? It is located two levels above the configure script.
   CURDIR="$PWD"
   cd "$AUTOCONF_DIR/../.."
   SRC_ROOT="`$THEPWDCMD -L`"
   if test "x$OPENJDK_TARGET_OS" = "xwindows"; then
     PATH_SEP=";"
     BASIC_CHECK_PATHS_WINDOWS
   else
     PATH_SEP=":"
   fi
   AC_SUBST(SRC_ROOT)
   AC_SUBST(PATH_SEP)
   cd "$CURDIR"
   BASIC_FIXUP_PATH(SRC_ROOT)
   BASIC_FIXUP_PATH(CURDIR)
   if test "x$OPENJDK_BUILD_OS" = "xsolaris"; then
     # Add extra search paths on solaris for utilities like ar and as etc...
     PATH="$PATH:/usr/ccs/bin:/usr/sfw/bin:/opt/csw/bin"
   fi
   # You can force the sys-root if the sys-root encoded into the cross compiler tools
   # is not correct.
   AC_ARG_WITH(sys-root, [AS_HELP_STRING([--with-sys-root],
       [pass this sys-root to the compilers and tools (for cross-compiling)])])
   if test "x$with_sys_root" != x; then
     SYS_ROOT=$with_sys_root
   else
     SYS_ROOT=/
   fi
   AC_SUBST(SYS_ROOT)
   AC_ARG_WITH([tools-dir], [AS_HELP_STRING([--with-tools-dir],
       [search this directory for compilers and tools (for cross-compiling)])],
       [TOOLS_DIR=$with_tools_dir]
   )
   # Xcode version will be validated later
   AC_ARG_WITH([xcode-path], [AS_HELP_STRING([--with-xcode-path],
       [explicit path to Xcode 4 (generally for building on 10.9 and later)])],
       [XCODE_PATH=$with_xcode_path]
   )
   AC_ARG_WITH([devkit], [AS_HELP_STRING([--with-devkit],
       [use this directory as base for tools-dir and sys-root (for cross-compiling)])],
       [
         if test "x$with_sys_root" != x; then
           AC_MSG_ERROR([Cannot specify both --with-devkit and --with-sys-root at the same time])
         fi
         BASIC_FIXUP_PATH([with_devkit])
         BASIC_APPEND_TO_PATH([TOOLS_DIR],$with_devkit/bin)
         if test -d "$with_devkit/$host_alias/libc"; then
           SYS_ROOT=$with_devkit/$host_alias/libc
         elif test -d "$with_devkit/$host/sys-root"; then
           SYS_ROOT=$with_devkit/$host/sys-root
         fi
       ])
 ])
 AC_DEFUN_ONCE([BASIC_SETUP_OUTPUT_DIR],
 [
   AC_ARG_WITH(conf-name, [AS_HELP_STRING([--with-conf-name],
       [use this as the name of the configuration @<:@generated from important configuration options@:>@])],
       [ CONF_NAME=${with_conf_name} ])
   # Test from where we are running configure, in or outside of src root.
   if test "x$CURDIR" = "x$SRC_ROOT" || test "x$CURDIR" = "x$SRC_ROOT/common" \
       || test "x$CURDIR" = "x$SRC_ROOT/common/autoconf" \
       || test "x$CURDIR" = "x$SRC_ROOT/make" ; then
     # We are running configure from the src root.
     # Create a default ./build/target-variant-debuglevel output root.
     if test "x${CONF_NAME}" = x; then
       CONF_NAME="${OPENJDK_TARGET_OS}-${OPENJDK_TARGET_CPU}-${JDK_VARIANT}-${ANDED_JVM_VARIANTS}-${DEBUG_LEVEL}"
     fi
     OUTPUT_ROOT="$SRC_ROOT/build/${CONF_NAME}"
     $MKDIR -p "$OUTPUT_ROOT"
     if test ! -d "$OUTPUT_ROOT"; then
       AC_MSG_ERROR([Could not create build directory $OUTPUT_ROOT])
     fi
   else
     # We are running configure from outside of the src dir.
     # Then use the current directory as output dir!
     # If configuration is situated in normal build directory, just use the build
     # directory name as configuration name, otherwise use the complete path.
     if test "x${CONF_NAME}" = x; then
       CONF_NAME=`$ECHO $CURDIR | $SED -e "s!^${SRC_ROOT}/build/!!"`
     fi
     OUTPUT_ROOT="$CURDIR"
     # WARNING: This might be a bad thing to do. You need to be sure you want to
     # have a configuration in this directory. Do some sanity checks!
     if test ! -e "$OUTPUT_ROOT/spec.gmk"; then
       # If we have a spec.gmk, we have run here before and we are OK. Otherwise, check for
       # other files
       files_present=`$LS $OUTPUT_ROOT`
       # Configure has already touched config.log and confdefs.h in the current dir when this check
       # is performed.
       filtered_files=`$ECHO "$files_present" | $SED -e 's/config.log//g' -e 's/confdefs.h//g' -e 's/ //g' \
       | $TR -d '\n'`
       if test "x$filtered_files" != x; then
         AC_MSG_NOTICE([Current directory is $CURDIR.])
         AC_MSG_NOTICE([Since this is not the source root, configure will output the configuration here])
         AC_MSG_NOTICE([(as opposed to creating a configuration in <src_root>/build/<conf-name>).])
         AC_MSG_NOTICE([However, this directory is not empty. This is not allowed, since it could])
         AC_MSG_NOTICE([seriously mess up just about everything.])
         AC_MSG_NOTICE([Try 'cd $SRC_ROOT' and restart configure])
         AC_MSG_NOTICE([(or create a new empty directory and cd to it).])
         AC_MSG_ERROR([Will not continue creating configuration in $CURDIR])
       fi
     fi
   fi
   AC_MSG_CHECKING([what configuration name to use])
   AC_MSG_RESULT([$CONF_NAME])
   BASIC_FIXUP_PATH(OUTPUT_ROOT)
   AC_SUBST(SPEC, $OUTPUT_ROOT/spec.gmk)
   AC_SUBST(CONF_NAME, $CONF_NAME)
   AC_SUBST(OUTPUT_ROOT, $OUTPUT_ROOT)
   # Most of the probed defines are put into config.h
   AC_CONFIG_HEADERS([$OUTPUT_ROOT/config.h:$AUTOCONF_DIR/config.h.in])
   # The spec.gmk file contains all variables for the make system.
   AC_CONFIG_FILES([$OUTPUT_ROOT/spec.gmk:$AUTOCONF_DIR/spec.gmk.in])
   # The hotspot-spec.gmk file contains legacy variables for the hotspot make system.
   AC_CONFIG_FILES([$OUTPUT_ROOT/hotspot-spec.gmk:$AUTOCONF_DIR/hotspot-spec.gmk.in])
   # The bootcycle-spec.gmk file contains support for boot cycle builds.
   AC_CONFIG_FILES([$OUTPUT_ROOT/bootcycle-spec.gmk:$AUTOCONF_DIR/bootcycle-spec.gmk.in])
   # The compare.sh is used to compare the build output to other builds.
   AC_CONFIG_FILES([$OUTPUT_ROOT/compare.sh:$AUTOCONF_DIR/compare.sh.in])
   # Spec.sh is currently used by compare-objects.sh
   AC_CONFIG_FILES([$OUTPUT_ROOT/spec.sh:$AUTOCONF_DIR/spec.sh.in])
   # The generated Makefile knows where the spec.gmk is and where the source is.
   # You can run make from the OUTPUT_ROOT, or from the top-level Makefile
   # which will look for generated configurations
   AC_CONFIG_FILES([$OUTPUT_ROOT/Makefile:$AUTOCONF_DIR/Makefile.in])
   # Save the arguments given to us
   echo "$CONFIGURE_COMMAND_LINE" > $OUTPUT_ROOT/configure-arguments
 ])
 AC_DEFUN_ONCE([BASIC_SETUP_LOGGING],
 [
   # Setup default logging of stdout and stderr to build.log in the output root.
   BUILD_LOG='$(OUTPUT_ROOT)/build.log'
   BUILD_LOG_PREVIOUS='$(OUTPUT_ROOT)/build.log.old'
   BUILD_LOG_WRAPPER='$(BASH) $(SRC_ROOT)/common/bin/logger.sh $(BUILD_LOG)'
   AC_SUBST(BUILD_LOG)
   AC_SUBST(BUILD_LOG_PREVIOUS)
   AC_SUBST(BUILD_LOG_WRAPPER)
 ])
 #%%% Simple tools %%%
 # Check if we have found a usable version of make
 # $1: the path to a potential make binary (or empty)
 # $2: the description on how we found this
 AC_DEFUN([BASIC_CHECK_MAKE_VERSION],
 [
   MAKE_CANDIDATE="$1"
   DESCRIPTION="$2"
   if test "x$MAKE_CANDIDATE" != x; then
     AC_MSG_NOTICE([Testing potential make at $MAKE_CANDIDATE, found using $DESCRIPTION])
     MAKE_VERSION_STRING=`$MAKE_CANDIDATE --version | $HEAD -n 1`
     IS_GNU_MAKE=`$ECHO $MAKE_VERSION_STRING | $GREP 'GNU Make'`
     if test "x$IS_GNU_MAKE" = x; then
       AC_MSG_NOTICE([Found potential make at $MAKE_CANDIDATE, however, this is not GNU Make. Ignoring.])
     else
       IS_MODERN_MAKE=`$ECHO $MAKE_VERSION_STRING | $GREP -e '3\.8[[12]]' -e '4\.'`
       if test "x$IS_MODERN_MAKE" = x; then
         AC_MSG_NOTICE([Found GNU make at $MAKE_CANDIDATE, however this is not version 3.81 or later. (it is: $MAKE_VERSION_STRING). Ignoring.])
       else
         if test "x$OPENJDK_BUILD_OS" = "xwindows"; then
           if test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.cygwin"; then
             MAKE_EXPECTED_ENV='cygwin'
           elif test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.msys"; then
             MAKE_EXPECTED_ENV='msys'
           else
             AC_MSG_ERROR([Unknown Windows environment])
           fi
           MAKE_BUILT_FOR=`$MAKE_CANDIDATE --version | $GREP -i 'built for'`
           IS_MAKE_CORRECT_ENV=`$ECHO $MAKE_BUILT_FOR | $GREP $MAKE_EXPECTED_ENV`
         else
           # Not relevant for non-Windows
           IS_MAKE_CORRECT_ENV=true
         fi
         if test "x$IS_MAKE_CORRECT_ENV" = x; then
           AC_MSG_NOTICE([Found GNU make version $MAKE_VERSION_STRING at $MAKE_CANDIDATE, but it is not for $MAKE_EXPECTED_ENV (it says: $MAKE_BUILT_FOR). Ignoring.])
         else
           FOUND_MAKE=$MAKE_CANDIDATE
           BASIC_FIXUP_EXECUTABLE(FOUND_MAKE)
         fi
       fi
     fi
   fi
 ])
 # Goes looking for a usable version of GNU make.
 AC_DEFUN([BASIC_CHECK_GNU_MAKE],
 [
   # We need to find a recent version of GNU make. Especially on Solaris, this can be tricky.
   if test "x$MAKE" != x; then
     # User has supplied a make, test it.
     if test ! -f "$MAKE"; then
       AC_MSG_ERROR([The specified make (by MAKE=$MAKE) is not found.])
     fi
     BASIC_CHECK_MAKE_VERSION("$MAKE", [user supplied MAKE=$MAKE])
     if test "x$FOUND_MAKE" = x; then
       AC_MSG_ERROR([The specified make (by MAKE=$MAKE) is not GNU make 3.81 or newer.])
     fi
   else
     # Try our hardest to locate a correct version of GNU make
     AC_PATH_PROGS(CHECK_GMAKE, gmake)
     BASIC_CHECK_MAKE_VERSION("$CHECK_GMAKE", [gmake in PATH])
     if test "x$FOUND_MAKE" = x; then
       AC_PATH_PROGS(CHECK_MAKE, make)
       BASIC_CHECK_MAKE_VERSION("$CHECK_MAKE", [make in PATH])
     fi
     if test "x$FOUND_MAKE" = x; then
       if test "x$TOOLS_DIR" != x; then
         # We have a tools-dir, check that as well before giving up.
         OLD_PATH=$PATH
         PATH=$TOOLS_DIR:$PATH
         AC_PATH_PROGS(CHECK_TOOLSDIR_GMAKE, gmake)
         BASIC_CHECK_MAKE_VERSION("$CHECK_TOOLSDIR_GMAKE", [gmake in tools-dir])
         if test "x$FOUND_MAKE" = x; then
           AC_PATH_PROGS(CHECK_TOOLSDIR_MAKE, make)
           BASIC_CHECK_MAKE_VERSION("$CHECK_TOOLSDIR_MAKE", [make in tools-dir])
         fi
         PATH=$OLD_PATH
       fi
     fi
     if test "x$FOUND_MAKE" = x; then
       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.])
     fi
   fi
   MAKE=$FOUND_MAKE
   AC_SUBST(MAKE)
   AC_MSG_NOTICE([Using GNU make 3.81 (or later) at $FOUND_MAKE (version: $MAKE_VERSION_STRING)])
 ])
 AC_DEFUN([BASIC_CHECK_FIND_DELETE],
 [
   # Test if find supports -delete
   AC_MSG_CHECKING([if find supports -delete])
   FIND_DELETE="-delete"
   DELETEDIR=`$MKTEMP -d tmp.XXXXXXXXXX` || (echo Could not create temporary directory!; exit $?)
   echo Hejsan > $DELETEDIR/TestIfFindSupportsDelete
   TEST_DELETE=`$FIND "$DELETEDIR" -name TestIfFindSupportsDelete $FIND_DELETE 2>&1`
   if test -f $DELETEDIR/TestIfFindSupportsDelete; then
     # No, it does not.
     rm $DELETEDIR/TestIfFindSupportsDelete
     FIND_DELETE="-exec rm \{\} \+"
     AC_MSG_RESULT([no])
   else
     AC_MSG_RESULT([yes])
   fi
   rmdir $DELETEDIR
   AC_SUBST(FIND_DELETE)
 ])
 AC_DEFUN_ONCE([BASIC_SETUP_COMPLEX_TOOLS],
 [
   BASIC_CHECK_GNU_MAKE
   BASIC_CHECK_FIND_DELETE
   # These tools might not be installed by default,
   # need hint on how to install them.
   BASIC_REQUIRE_PROGS(UNZIP, unzip)
   BASIC_REQUIRE_PROGS(ZIP, zip)
   # Non-required basic tools
   BASIC_PATH_PROGS(LDD, ldd)
   if test "x$LDD" = "x"; then
     # List shared lib dependencies is used for
     # debug output and checking for forbidden dependencies.
     # We can build without it.
     LDD="true"
   fi
   BASIC_PATH_PROGS(READELF, [readelf greadelf])
   BASIC_PATH_PROGS(HG, hg)
   BASIC_PATH_PROGS(STAT, stat)
   BASIC_PATH_PROGS(TIME, time)
   # Check if it's GNU time
   IS_GNU_TIME=`$TIME --version 2>&1 | $GREP 'GNU time'`
   if test "x$IS_GNU_TIME" != x; then
     IS_GNU_TIME=yes
   else
     IS_GNU_TIME=no
   fi
   AC_SUBST(IS_GNU_TIME)
   if test "x$OPENJDK_TARGET_OS" = "xwindows"; then
     BASIC_REQUIRE_PROGS(COMM, comm)
   fi
   if test "x$OPENJDK_TARGET_OS" = "xmacosx"; then
     BASIC_REQUIRE_PROGS(DSYMUTIL, dsymutil)
     BASIC_REQUIRE_PROGS(XATTR, xattr)
     BASIC_PATH_PROGS(CODESIGN, codesign)
     if test "x$CODESIGN" != "x"; then
       # Verify that the openjdk_codesign certificate is present
       AC_MSG_CHECKING([if openjdk_codesign certificate is present])
       rm -f codesign-testfile
       touch codesign-testfile
       codesign -s openjdk_codesign codesign-testfile 2>&AS_MESSAGE_LOG_FD >&AS_MESSAGE_LOG_FD || CODESIGN=
       rm -f codesign-testfile
       if test "x$CODESIGN" = x; then
         AC_MSG_RESULT([no])
       else
         AC_MSG_RESULT([yes])
       fi
     fi
   fi
 ])
 # Check if build directory is on local disk. If not possible to determine,
 # we prefer to claim it's local.
 # Argument 1: directory to test
 # Argument 2: what to do if it is on local disk
 # Argument 3: what to do otherwise (remote disk or failure)
 AC_DEFUN([BASIC_CHECK_DIR_ON_LOCAL_DISK],
 [
   # df -l lists only local disks; if the given directory is not found then
   # a non-zero exit code is given
   if test "x$DF" = x; then
     if test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.msys"; then
       # msys does not have df; use Windows "net use" instead.
       IS_NETWORK_DISK=`net use | grep \`pwd -W | cut -d ":" -f 1 | tr a-z A-Z\`:`
       if test "x$IS_NETWORK_DISK" = x; then
         $2
       else
         $3
       fi
     else
       # No df here, say it's local
       $2
     fi
   else
     if $DF -l $1 > /dev/null 2>&1; then
       $2
     else
       $3
     fi
   fi
 ])
 # Check that source files have basic read permissions set. This might
 # not be the case in cygwin in certain conditions.
 AC_DEFUN_ONCE([BASIC_CHECK_SRC_PERMS],
 [
   if test x"$OPENJDK_BUILD_OS" = xwindows; then
     file_to_test="$SRC_ROOT/LICENSE"
     if test `$STAT -c '%a' "$file_to_test"` -lt 400; then
       AC_MSG_ERROR([Bad file permissions on src files. This is usually caused by cloning the repositories with a non cygwin hg in a directory not created in cygwin.])
     fi
   fi
 ])
 AC_DEFUN_ONCE([BASIC_TEST_USABILITY_ISSUES],
 [
   # Did user specify any unknown variables?
   BASIC_CHECK_LEFTOVER_OVERRIDDEN
   AC_MSG_CHECKING([if build directory is on local disk])
   BASIC_CHECK_DIR_ON_LOCAL_DISK($OUTPUT_ROOT,
       [OUTPUT_DIR_IS_LOCAL="yes"],
       [OUTPUT_DIR_IS_LOCAL="no"])
   AC_MSG_RESULT($OUTPUT_DIR_IS_LOCAL)
   BASIC_CHECK_SRC_PERMS
   # Check if the user has any old-style ALT_ variables set.
   FOUND_ALT_VARIABLES=`env | grep ^ALT_`
   # Before generating output files, test if they exist. If they do, this is a reconfigure.
   # Since we can't properly handle the dependencies for this, warn the user about the situation
   if test -e $OUTPUT_ROOT/spec.gmk; then
     IS_RECONFIGURE=yes
   else
     IS_RECONFIGURE=no
   fi
 ])

Mercurial > jdk8-mips64-public / annotate

common/autoconf/basics.m4@0e87966d7ff1 (annotated)

common/autoconf/basics.m4