jdk8-mips64-public: common/autoconf/basics.m4@f59a07f85125 (annotated)

common/autoconf/basics.m4@f59a07f85125 (annotated)

common/autoconf/basics.m4

Wed, 14 Nov 2012 10:18:51 -0800

author: tbell
date: Wed, 14 Nov 2012 10:18:51 -0800
changeset 513: f59a07f85125
parent 502: ed9e5635fc80
child 523: 754f91d22e1c
permissions: -rw-r--r--

8003317: build-infra: Configure fails when current dir is part of a symlink
Summary: Call macro for removing symbolic links on a copy of the CURDIR variable before comparing
Reviewed-by: ohair, tbell
Contributed-by: erik.joelsson@oracle.com

 #
 # Copyright (c) 2011, 2012, 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.
 #
 AC_DEFUN([ADD_JVM_ARG_IF_OK],
 [
     # Test if $1 is a valid argument to $3 (often is $JAVA passed as $3)
     # If so, then append $1 to $2
     FOUND_WARN=`$3 $1 -version 2>&1 | grep -i warn`
     FOUND_VERSION=`$3 $1 -version 2>&1 | grep " version \""`
     if test "x$FOUND_VERSION" != x && test "x$FOUND_WARN" = x; then
         $2="[$]$2 $1"
     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($1)
   else
     # We're on a posix platform. Hooray! :)
     path="[$]$1"
     if test ! -f "$path" && test ! -d "$path"; then
       AC_MSG_ERROR([The path of $1, which resolves as "$path", is not found.])
     fi
     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
   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#* }"
     new_path=`$WHICH $path 2> /dev/null`
     if test "x$new_path" = x; then
       is_absolute_path=`$ECHO "$path" | $GREP ^/`
       if test "x$is_absolute_path" != x; then
         AC_MSG_NOTICE([Resolving $1 (as $path) with 'which' failed, using $path directly.])
         new_path="$path"
       else
         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 $1])
       fi
     fi
   fi
   # Now join together the path and the arguments once again
   if test "x$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 --help 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 [$]$1`
         else
             STARTDIR=$PWD
             COUNTER=0
             sym_link_dir=`$DIRNAME [$]$1`
             sym_link_file=`$BASENAME [$]$1`
             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
                 # The link might be relative! We have to use cd to travel safely.
                 cd $sym_link_dir
                 # ... and we must get the to the absolute path, not one using symbolic links.
                 cd `pwd -P`
                 cd `$DIRNAME $ISLINK`
                 sym_link_dir=`$THEPWDCMD`
                 sym_link_file=`$BASENAME $ISLINK`
                 let COUNTER=COUNTER+1
             done
             cd $STARTDIR
             $1=$sym_link_dir/$sym_link_file
         fi
     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
 # $2: executable name to print in warning (optional)
 AC_DEFUN([BASIC_CHECK_NONEMPTY],
 [
     if test "x[$]$1" = x; then
         if test "x$2" = x; then
           PROG_NAME=translit($1,A-Z,a-z)
         else
           PROG_NAME=$2
         fi
         AC_MSG_NOTICE([Could not find $PROG_NAME!])
         AC_MSG_ERROR([Cannot continue])
     fi
 ])
 # Does AC_PATH_PROG followed by BASIC_CHECK_NONEMPTY.
 # Arguments as AC_PATH_PROG:
 # $1: variable to set
 # $2: executable name to look for
 AC_DEFUN([BASIC_REQUIRE_PROG],
 [
     AC_PATH_PROGS($1, $2)
     BASIC_CHECK_NONEMPTY($1, $2)
 ])
 # 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_PROG(BASENAME, basename)
 BASIC_REQUIRE_PROG(BASH, bash)
 BASIC_REQUIRE_PROG(CAT, cat)
 BASIC_REQUIRE_PROG(CHMOD, chmod)
 BASIC_REQUIRE_PROG(CMP, cmp)
 BASIC_REQUIRE_PROG(CP, cp)
 BASIC_REQUIRE_PROG(CUT, cut)
 BASIC_REQUIRE_PROG(DATE, date)
 BASIC_REQUIRE_PROG(DIFF, [gdiff diff])
 BASIC_REQUIRE_PROG(DIRNAME, dirname)
 BASIC_REQUIRE_PROG(ECHO, echo)
 BASIC_REQUIRE_PROG(EXPR, expr)
 BASIC_REQUIRE_PROG(FILE, file)
 BASIC_REQUIRE_PROG(FIND, find)
 BASIC_REQUIRE_PROG(HEAD, head)
 BASIC_REQUIRE_PROG(LN, ln)
 BASIC_REQUIRE_PROG(LS, ls)
 BASIC_REQUIRE_PROG(MKDIR, mkdir)
 BASIC_REQUIRE_PROG(MKTEMP, mktemp)
 BASIC_REQUIRE_PROG(MV, mv)
 BASIC_REQUIRE_PROG(PRINTF, printf)
 BASIC_REQUIRE_PROG(THEPWDCMD, pwd)
 BASIC_REQUIRE_PROG(RM, rm)
 BASIC_REQUIRE_PROG(SH, sh)
 BASIC_REQUIRE_PROG(SORT, sort)
 BASIC_REQUIRE_PROG(TAIL, tail)
 BASIC_REQUIRE_PROG(TAR, tar)
 BASIC_REQUIRE_PROG(TEE, tee)
 BASIC_REQUIRE_PROG(TOUCH, touch)
 BASIC_REQUIRE_PROG(TR, tr)
 BASIC_REQUIRE_PROG(UNAME, uname)
 BASIC_REQUIRE_PROG(UNIQ, uniq)
 BASIC_REQUIRE_PROG(WC, wc)
 BASIC_REQUIRE_PROG(WHICH, which)
 BASIC_REQUIRE_PROG(XARGS, xargs)
 # Then required tools that require some special treatment.
 AC_PROG_AWK
 BASIC_CHECK_NONEMPTY(AWK)
 AC_PROG_GREP
 BASIC_CHECK_NONEMPTY(GREP)
 AC_PROG_EGREP
 BASIC_CHECK_NONEMPTY(EGREP)
 AC_PROG_FGREP
 BASIC_CHECK_NONEMPTY(FGREP)
 AC_PROG_SED
 BASIC_CHECK_NONEMPTY(SED)
 AC_PATH_PROGS(NAWK, [nawk gawk awk])
 BASIC_CHECK_NONEMPTY(NAWK)
 # Always force rm.
 RM="$RM -f"
 # These are not required on all platforms
 AC_PATH_PROG(CYGPATH, cygpath)
 AC_PATH_PROG(READLINK, readlink)
 AC_PATH_PROG(DF, df)
 AC_PATH_PROG(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="[$]0"
 BASIC_REMOVE_SYMBOLIC_LINKS(SCRIPT)
 AUTOCONF_DIR=`cd \`$DIRNAME $SCRIPT\`; $THEPWDCMD`
 # Where is the source? It is located two levels above the configure script.
 CURDIR="$PWD"
 cd "$AUTOCONF_DIR/../.."
 SRC_ROOT="`pwd`"
 if test "x$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])
 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$with_sys_root" != x; then
       AC_MSG_ERROR([Cannot specify both --with-devkit and --with-sys-root at the same time])
     fi
     if test "x$with_tools_dir" != x; then
       AC_MSG_ERROR([Cannot specify both --with-devkit and --with-tools-dir at the same time])
     fi
     TOOLS_DIR=$with_devkit/bin
     SYS_ROOT=$with_devkit/$host_alias/libc
   ])
 ])
 AC_DEFUN_ONCE([BASIC_SETUP_OUTPUT_DIR],
 [
 AC_ARG_WITH(conf-name, [AS_HELP_STRING([--with-conf-name],
 	[use this as the name of the configuration @<:@generated from important configuration options@:>@])],
         [ CONF_NAME=${with_conf_name} ])
 # Test from where we are running configure, in or outside of src root.
 # To enable comparison of directories, CURDIR needs to be symlink free
 # just like SRC_ROOT already is
 NOSYM_CURDIR="$CURDIR"
 BASIC_REMOVE_SYMBOLIC_LINKS(NOSYM_CURDIR)
 if test "x$NOSYM_CURDIR" = "x$SRC_ROOT" || test "x$NOSYM_CURDIR" = "x$SRC_ROOT/common" \
         || test "x$NOSYM_CURDIR" = "x$SRC_ROOT/common/autoconf" \
         || test "x$NOSYM_CURDIR" = "x$SRC_ROOT/common/makefiles" ; then
     # We are running configure from the src root.
     # Create a default ./build/target-variant-debuglevel output root.
     if test "x${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 | $GREP '3.8[[12346789]]'`
       if test "x$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 $DELETEDIR
     AC_SUBST(FIND_DELETE)
 ])
 AC_DEFUN_ONCE([BASIC_SETUP_COMPLEX_TOOLS],
 [
 BASIC_CHECK_GNU_MAKE
 BASIC_CHECK_FIND_DELETE
 # These tools might not be installed by default,
 # need hint on how to install them.
 BASIC_REQUIRE_PROG(UNZIP, unzip)
 BASIC_REQUIRE_PROG(ZIP, zip)
 # Non-required basic tools
 AC_PATH_PROG(LDD, ldd)
 if test "x$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
 AC_PATH_PROG(OTOOL, otool)
 if test "x$OTOOL" = "x"; then
    OTOOL="true"
 fi
 AC_PATH_PROGS(READELF, [readelf greadelf])
 AC_PATH_PROG(HG, hg)
 AC_PATH_PROG(STAT, stat)
 AC_PATH_PROG(TIME, time)
 if test "x$OPENJDK_TARGET_OS" = "xwindows"; then
   BASIC_REQUIRE_PROG(COMM, comm)
 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
       $3
     fi
   fi
 ])
 AC_DEFUN_ONCE([BASIC_TEST_USABILITY_ISSUES],
 [
 AC_MSG_CHECKING([if build directory is on local disk])
 BASIC_CHECK_DIR_ON_LOCAL_DISK($OUTPUT_ROOT,
   [OUTPUT_DIR_IS_LOCAL="yes"],
   [OUTPUT_DIR_IS_LOCAL="no"])
 AC_MSG_RESULT($OUTPUT_DIR_IS_LOCAL)
 # 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
 if test -e $SRC_ROOT/build/.hide-configure-performance-hints; then
   HIDE_PERFORMANCE_HINTS=yes
 else
   HIDE_PERFORMANCE_HINTS=no
   # Hide it the next time around...
   $TOUCH $SRC_ROOT/build/.hide-configure-performance-hints > /dev/null 2>&1
 fi
 ])

Mercurial > jdk8-mips64-public / annotate

common/autoconf/basics.m4@f59a07f85125 (annotated)

common/autoconf/basics.m4