erikj@459: #
erikj@459: # Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.
erikj@459: # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
erikj@459: #
erikj@459: # This code is free software; you can redistribute it and/or modify it
erikj@459: # under the terms of the GNU General Public License version 2 only, as
erikj@459: # published by the Free Software Foundation.  Oracle designates this
erikj@459: # particular file as subject to the "Classpath" exception as provided
erikj@459: # by Oracle in the LICENSE file that accompanied this code.
erikj@459: #
erikj@459: # This code is distributed in the hope that it will be useful, but WITHOUT
erikj@459: # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
erikj@459: # FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
erikj@459: # version 2 for more details (a copy is included in the LICENSE file that
erikj@459: # accompanied this code).
erikj@459: #
erikj@459: # You should have received a copy of the GNU General Public License version
erikj@459: # 2 along with this work; if not, write to the Free Software Foundation,
erikj@459: # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
erikj@459: #
erikj@459: # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
erikj@459: # or visit www.oracle.com if you need additional information or have any
erikj@459: # questions.
erikj@459: #
erikj@459: 
erikj@459: AC_DEFUN([ADD_JVM_ARG_IF_OK],
erikj@459: [
erikj@459:     # Test if $1 is a valid argument to $3 (often is $JAVA passed as $3)
erikj@459:     # If so, then append $1 to $2
erikj@459:     FOUND_WARN=`$3 $1 -version 2>&1 | grep -i warn`
erikj@459:     FOUND_VERSION=`$3 $1 -version 2>&1 | grep " version \""`
erikj@459:     if test "x$FOUND_VERSION" != x && test "x$FOUND_WARN" = x; then
erikj@459:         $2="[$]$2 $1"
erikj@459:     fi
erikj@459: ])
erikj@459: 
erikj@459: AC_DEFUN([WHICHCMD],
erikj@459: [
erikj@459:     # Translate "gcc -E" into "`which gcc` -E" ie
erikj@459:     # extract the full path to the binary and at the
erikj@459:     # same time maintain any arguments passed to it.
erikj@459:     # The command MUST exist in the path, or else!
erikj@459:     tmp="[$]$1"
erikj@459:     car="${tmp%% *}"
erikj@459:     tmp="[$]$1 EOL"
erikj@459:     cdr="${tmp#* }"
erikj@459:     # On windows we want paths without spaces.
erikj@459:     if test "x$OPENJDK_BUILD_OS" = "xwindows"; then
erikj@459:         WHICHCMD_SPACESAFE(car)
erikj@459:     else
erikj@459:         # "which" is not portable, but is used here
erikj@459:         # because we know that the command exists!
erikj@459:         car=`which $car`
erikj@459:     fi
erikj@459:     if test "x$cdr" != xEOL; then
erikj@459:         $1="$car ${cdr% *}"
erikj@459:     else
erikj@459:         $1="$car"
erikj@459:     fi
erikj@459: ])
erikj@459: 
erikj@459: AC_DEFUN([SPACESAFE],
erikj@459: [
erikj@459:     # Fail with message $2 if var $1 contains a path with no spaces in it.
erikj@459:     # Unless on Windows, where we can rewrite the path.
erikj@459:     HAS_SPACE=`echo "[$]$1" | grep " "`
erikj@459:     if test "x$HAS_SPACE" != x; then
erikj@459:         if test "x$OPENJDK_BUILD_OS" = "xwindows"; then
erikj@459:             $1=`$CYGPATH -s -m -a "[$]$1"`
erikj@459:             $1=`$CYGPATH -u "[$]$1"`            
erikj@459:         else
erikj@459:             AC_MSG_ERROR([You cannot have spaces in $2! "[$]$1"])
erikj@459:         fi
erikj@459:     fi
erikj@459: ])
erikj@459: 
erikj@459: AC_DEFUN([WHICHCMD_SPACESAFE],
erikj@459: [
erikj@459:     # Translate long cygdrive or C:\sdfsf path
erikj@459:     # into a short mixed mode path that has no
erikj@459:     # spaces in it.
erikj@459:     tmp="[$]$1"
erikj@459:     
erikj@459:     if test "x$OPENJDK_BUILD_OS" = "xwindows"; then
erikj@459:         tmp=`$CYGPATH -u "[$]$1"`
erikj@459:         tmp=`which "$tmp"`
erikj@459:         # If file exists with .exe appended, that's the real filename
erikj@459:         # and cygpath needs that to convert to short style path.
erikj@459:         if test -f "${tmp}.exe"; then
erikj@459:            tmp="${tmp}.exe"
erikj@459:         elif test -f "${tmp}.cmd"; then
erikj@459:            tmp="${tmp}.cmd"
erikj@459:         fi
erikj@459:         # Convert to C:/ mixed style path without spaces.
erikj@459:          tmp=`$CYGPATH -s -m "$tmp"`
erikj@459:     fi
erikj@459:     $1="$tmp"
erikj@459: ])
erikj@459: 
erikj@459: AC_DEFUN([REMOVE_SYMBOLIC_LINKS],
erikj@459: [
erikj@459:     if test "x$OPENJDK_BUILD_OS" != xwindows; then
erikj@459:         # Follow a chain of symbolic links. Use readlink
erikj@459:         # where it exists, else fall back to horribly
erikj@459:         # complicated shell code.
erikj@459:         AC_PATH_PROG(READLINK, readlink)
erikj@459:         if test "x$READLINK_TESTED" != yes; then
erikj@459:             # On MacOSX there is a readlink tool with a different
erikj@459:             # purpose than the GNU readlink tool. Check the found readlink.
erikj@459:             ISGNU=`$READLINK --help 2>&1 | grep GNU`
erikj@459:             if test "x$ISGNU" = x; then
erikj@459:                  # A readlink that we do not know how to use.
erikj@459:                  # Are there other non-GNU readlinks out there?
erikj@459:                  READLINK_TESTED=yes
erikj@459:                  READLINK=
erikj@459:             fi
erikj@459:         fi
erikj@459: 
erikj@459:         if test "x$READLINK" != x; then
erikj@459:             $1=`$READLINK -f [$]$1`
erikj@459:         else
erikj@459:             STARTDIR=$PWD
erikj@459:             COUNTER=0
erikj@459:             DIR=`dirname [$]$1`
erikj@459:             FIL=`basename [$]$1`
erikj@459:             while test $COUNTER -lt 20; do
erikj@459:                 ISLINK=`ls -l $DIR/$FIL | grep '\->' | sed -e 's/.*-> \(.*\)/\1/'`
erikj@459:                 if test "x$ISLINK" == x; then
erikj@459:                     # This is not a symbolic link! We are done!
erikj@459:                     break
erikj@459:                 fi
erikj@459:                 # The link might be relative! We have to use cd to travel safely.
erikj@459:                 cd $DIR
erikj@459:                 cd `dirname $ISLINK`
erikj@459:                 DIR=`pwd`
erikj@459:                 FIL=`basename $ISLINK`
erikj@459:                 let COUNTER=COUNTER+1
erikj@459:             done
erikj@459:             cd $STARTDIR
erikj@459:             $1=$DIR/$FIL
erikj@459:         fi
erikj@459:     fi
erikj@459: ])
erikj@459: 
erikj@459: AC_DEFUN_ONCE([BASIC_INIT],
erikj@459: [
erikj@459: # Save the original command line. This is passed to us by the wrapper configure script.
erikj@459: AC_SUBST(CONFIGURE_COMMAND_LINE)
erikj@459: DATE_WHEN_CONFIGURED=`LANG=C date`
erikj@459: AC_SUBST(DATE_WHEN_CONFIGURED)
erikj@459: 
erikj@459: # Locate the directory of this script.
erikj@459: SCRIPT="[$]0"
erikj@459: REMOVE_SYMBOLIC_LINKS(SCRIPT)        
erikj@459: AUTOCONF_DIR=`dirname [$]0`
erikj@459: ])
erikj@459: 
erikj@459: AC_DEFUN_ONCE([BASIC_SETUP_PATHS],
erikj@459: [
erikj@459: # Where is the source? It is located two levels above the configure script.
erikj@459: CURDIR="$PWD"
erikj@459: cd "$AUTOCONF_DIR/../.."
erikj@459: SRC_ROOT="`pwd`"
erikj@459: if test "x$OPENJDK_BUILD_OS" = "xwindows"; then
erikj@459:     SRC_ROOT_LENGTH=`pwd|wc -m`
erikj@459:     if test $SRC_ROOT_LENGTH -gt 100; then
erikj@459:         AC_MSG_ERROR([Your base path is too long. It is $SRC_ROOT_LENGTH characters long, but only 100 is supported])
erikj@459:     fi
erikj@459: fi
erikj@459: AC_SUBST(SRC_ROOT)
erikj@459: cd "$CURDIR"
erikj@459: 
erikj@459: SPACESAFE(SRC_ROOT,[the path to the source root])
erikj@459: SPACESAFE(CURDIR,[the path to the current directory])
erikj@459: ])
erikj@459: 
erikj@459: AC_DEFUN_ONCE([BASIC_SETUP_SEARCHPATH],
erikj@459: [
erikj@459: if test "x$OPENJDK_BUILD_OS" = "xsolaris"; then
erikj@459:     # Add extra search paths on solaris for utilities like ar and as etc...
erikj@459:     PATH="$PATH:/usr/ccs/bin:/usr/sfw/bin:/opt/csw/bin"
erikj@459: fi
erikj@459: ])
erikj@459: 
erikj@459: AC_DEFUN_ONCE([BASIC_SETUP_PATH_SEP],
erikj@459: [
erikj@459: # For cygwin we need cygpath first, since it is used everywhere.
erikj@459: AC_PATH_PROG(CYGPATH, cygpath)
erikj@459: PATH_SEP=":"
erikj@459: if test "x$OPENJDK_BUILD_OS" = "xwindows"; then
erikj@459:     if test "x$CYGPATH" = x; then
erikj@459:         AC_MSG_ERROR([Something is wrong with your cygwin installation since I cannot find cygpath.exe in your path])
erikj@459:     fi
erikj@459:     PATH_SEP=";"
erikj@459: fi
erikj@459: AC_SUBST(PATH_SEP)
erikj@459: ])
erikj@459: 
erikj@459: AC_DEFUN_ONCE([BASIC_SETUP_OUTPUT_DIR],
erikj@459: [
erikj@459: 
erikj@459: AC_ARG_WITH(conf-name, [AS_HELP_STRING([--with-conf-name],
erikj@459: 	[use this as the name of the configuration, overriding the generated default])],
erikj@459:         [ CONF_NAME=${with_conf_name} ])
erikj@459: 
erikj@459: # Test from where we are running configure, in or outside of src root.
erikj@459: if test "x$CURDIR" = "x$SRC_ROOT" || test "x$CURDIR" = "x$SRC_ROOT/common" || test "x$CURDIR" = "x$SRC_ROOT/common/autoconf" || test "x$CURDIR" = "x$SRC_ROOT/common/makefiles" ; then
erikj@459:     # We are running configure from the src root.
erikj@459:     # Create a default ./build/target-variant-debuglevel output root.
erikj@459:     if test "x${CONF_NAME}" = x; then
erikj@459:         CONF_NAME="${OPENJDK_TARGET_OS}-${OPENJDK_TARGET_CPU}-${JDK_VARIANT}-${ANDED_JVM_VARIANTS}-${DEBUG_LEVEL}"
erikj@459:     fi
erikj@459:     OUTPUT_ROOT="$SRC_ROOT/build/${CONF_NAME}"
erikj@459:     mkdir -p "$OUTPUT_ROOT"
erikj@459:     if test ! -d "$OUTPUT_ROOT"; then
erikj@459:         AC_MSG_ERROR([Could not create build directory $OUTPUT_ROOT])
erikj@459:     fi
erikj@459: else
erikj@459:     # We are running configure from outside of the src dir.
erikj@459:     # Then use the current directory as output dir!
erikj@459:     # If configuration is situated in normal build directory, just use the build
erikj@459:     # directory name as configuration name, otherwise use the complete path.
erikj@459:     if test "x${CONF_NAME}" = x; then
erikj@459:         CONF_NAME=`$ECHO $CURDIR | $SED -e "s!^${SRC_ROOT}/build/!!"`
erikj@459:     fi
erikj@459:     OUTPUT_ROOT="$CURDIR"
erikj@459: fi
erikj@459: 
erikj@459: SPACESAFE(OUTPUT_ROOT,[the path to the output root])
erikj@459: 
erikj@459: AC_SUBST(SPEC, $OUTPUT_ROOT/spec.gmk)
erikj@459: AC_SUBST(CONF_NAME, $CONF_NAME)
erikj@459: AC_SUBST(OUTPUT_ROOT, $OUTPUT_ROOT)
erikj@459: 
erikj@459: # Most of the probed defines are put into config.h
erikj@459: AC_CONFIG_HEADERS([$OUTPUT_ROOT/config.h:$AUTOCONF_DIR/config.h.in])
erikj@459: # The spec.gmk file contains all variables for the make system.
erikj@459: AC_CONFIG_FILES([$OUTPUT_ROOT/spec.gmk:$AUTOCONF_DIR/spec.gmk.in])
erikj@459: # The spec.sh file contains variables for compare{images|-objects}.sh scrips.
erikj@459: AC_CONFIG_FILES([$OUTPUT_ROOT/spec.sh:$AUTOCONF_DIR/spec.sh.in])
erikj@459: # The generated Makefile knows where the spec.gmk is and where the source is.
erikj@459: # You can run make from the OUTPUT_ROOT, or from the top-level Makefile
erikj@459: # which will look for generated configurations
erikj@459: AC_CONFIG_FILES([$OUTPUT_ROOT/Makefile:$AUTOCONF_DIR/Makefile.in])
erikj@459: 
erikj@459: # Save the arguments given to us
erikj@459: echo "$CONFIGURE_COMMAND_LINE" > $OUTPUT_ROOT/configure-arguments
erikj@459: ])
erikj@459: 
erikj@459: AC_DEFUN_ONCE([BASIC_SETUP_LOGGING],
erikj@459: [
erikj@459: # Setup default logging of stdout and stderr to build.log in the output root.
erikj@459: BUILD_LOG='$(OUTPUT_ROOT)/build.log'
erikj@459: BUILD_LOG_PREVIOUS='$(OUTPUT_ROOT)/build.log.old'
erikj@459: BUILD_LOG_WRAPPER='$(SH) $(SRC_ROOT)/common/bin/logger.sh $(BUILD_LOG)'
erikj@459: AC_SUBST(BUILD_LOG)
erikj@459: AC_SUBST(BUILD_LOG_PREVIOUS)
erikj@459: AC_SUBST(BUILD_LOG_WRAPPER)
erikj@459: ])
erikj@459: 
erikj@459: 
erikj@459: #%%% Simple tools %%%
erikj@459: 
erikj@459: AC_DEFUN([BASIC_CHECK_FIND_DELETE],
erikj@459: [
erikj@459:     # Test if find supports -delete
erikj@459:     AC_MSG_CHECKING([if find supports -delete])
erikj@459:     FIND_DELETE="-delete"
erikj@459: 
erikj@459:     DELETEDIR=`mktemp -d tmp.XXXXXXXXXX` || (echo Could not create temporary directory!; exit $?)
erikj@459: 
erikj@459:     echo Hejsan > $DELETEDIR/TestIfFindSupportsDelete
erikj@459: 
erikj@459:     TEST_DELETE=`$FIND "$DELETEDIR" -name TestIfFindSupportsDelete $FIND_DELETE 2>&1`
erikj@459:     if test -f $DELETEDIR/TestIfFindSupportsDelete; then
erikj@459:         # No, it does not.
erikj@459:         rm $DELETEDIR/TestIfFindSupportsDelete
erikj@459:         FIND_DELETE="-exec rm \{\} \+"
erikj@459:         AC_MSG_RESULT([no])    
erikj@459:     else
erikj@459:         AC_MSG_RESULT([yes])    
erikj@459:     fi
erikj@459:     rmdir $DELETEDIR
erikj@459: ])
erikj@459: 
erikj@459: AC_DEFUN([CHECK_NONEMPTY],
erikj@459: [
erikj@459:     # Test that variable $1 is not empty.
erikj@459:     if test "" = "[$]$1"; then AC_MSG_ERROR(Could not find translit($1,A-Z,a-z) !); fi
erikj@459: ])
erikj@459: 
erikj@459: AC_DEFUN_ONCE([BASIC_SETUP_TOOLS],
erikj@459: [
erikj@459: # Start with tools that do not need have cross compilation support
erikj@459: # and can be expected to be found in the default PATH. These tools are
erikj@459: # used by configure. Nor are these tools expected to be found in the
erikj@459: # devkit from the builddeps server either, since they are
erikj@459: # needed to download the devkit. 
erikj@459: AC_PROG_AWK
erikj@459: CHECK_NONEMPTY(AWK)
erikj@459: AC_PATH_PROG(CAT, cat)
erikj@459: CHECK_NONEMPTY(CAT)
erikj@459: AC_PATH_PROG(CHMOD, chmod)
erikj@459: CHECK_NONEMPTY(CHMOD)
erikj@459: AC_PATH_PROG(CP, cp)
erikj@459: CHECK_NONEMPTY(CP)
erikj@459: AC_PATH_PROG(CPIO, cpio)
erikj@459: CHECK_NONEMPTY(CPIO)
erikj@459: AC_PATH_PROG(CUT, cut)
erikj@459: CHECK_NONEMPTY(CUT)
erikj@459: AC_PATH_PROG(DATE, date)
erikj@459: CHECK_NONEMPTY(DATE)
erikj@459: AC_PATH_PROG(DF, df)
erikj@459: CHECK_NONEMPTY(DF)
erikj@459: AC_PATH_PROG(DIFF, diff)
erikj@459: CHECK_NONEMPTY(DIFF)
erikj@459: # Warning echo is really, really unportable!!!!! Different
erikj@459: # behaviour in bash and dash and in a lot of other shells!
erikj@459: # Use printf for serious work! 
erikj@459: AC_PATH_PROG(ECHO, echo)
erikj@459: CHECK_NONEMPTY(ECHO)
erikj@459: AC_PROG_EGREP
erikj@459: CHECK_NONEMPTY(EGREP)
erikj@459: AC_PROG_FGREP
erikj@459: CHECK_NONEMPTY(FGREP)
erikj@459: 
erikj@459: AC_PATH_PROG(FIND, find)
erikj@459: CHECK_NONEMPTY(FIND)
erikj@459: BASIC_CHECK_FIND_DELETE
erikj@459: AC_SUBST(FIND_DELETE)
erikj@459: 
erikj@459: AC_PROG_GREP
erikj@459: CHECK_NONEMPTY(GREP)
erikj@459: AC_PATH_PROG(HEAD, head)
erikj@459: CHECK_NONEMPTY(HEAD)
erikj@459: AC_PATH_PROG(LN, ln)
erikj@459: CHECK_NONEMPTY(LN)
erikj@459: AC_PATH_PROG(LS, ls)
erikj@459: CHECK_NONEMPTY(LS)
erikj@459: AC_PATH_PROGS(MAKE, [gmake make])
erikj@459: CHECK_NONEMPTY(MAKE)
erikj@459: MAKE_VERSION=`$MAKE --version | head -n 1 | grep '3.8[[12346789]]'`
erikj@459: if test "x$MAKE_VERSION" = x; then
erikj@459:     AC_MSG_ERROR([You must use GNU make 3.81 or newer! Please put it in the path, or add e.g. MAKE=/opt/gmake3.81/make as argument to configure.])
erikj@459: fi
erikj@459: AC_PATH_PROG(MKDIR, mkdir)
erikj@459: CHECK_NONEMPTY(MKDIR)
erikj@459: AC_PATH_PROG(MV, mv)
erikj@459: CHECK_NONEMPTY(MV)
erikj@459: AC_PATH_PROGS(NAWK, [nawk gawk awk])
erikj@459: CHECK_NONEMPTY(NAWK)
erikj@459: AC_PATH_PROG(PRINTF, printf)
erikj@459: CHECK_NONEMPTY(PRINTF)
erikj@459: AC_PATH_PROG(THEPWDCMD, pwd)
erikj@459: AC_PATH_PROG(RM, rm)
erikj@459: CHECK_NONEMPTY(RM)
erikj@459: RM="$RM -f"
erikj@459: AC_PROG_SED
erikj@459: CHECK_NONEMPTY(SED)
erikj@459: AC_PATH_PROG(SH, sh)
erikj@459: CHECK_NONEMPTY(SH)
erikj@459: AC_PATH_PROG(SORT, sort)
erikj@459: CHECK_NONEMPTY(SORT)
erikj@459: AC_PATH_PROG(TAR, tar)
erikj@459: CHECK_NONEMPTY(TAR)
erikj@459: AC_PATH_PROG(TAIL, tail)
erikj@459: CHECK_NONEMPTY(TAIL)
erikj@459: AC_PATH_PROG(TEE, tee)
erikj@459: CHECK_NONEMPTY(TEE)
erikj@459: AC_PATH_PROG(TR, tr)
erikj@459: CHECK_NONEMPTY(TR)
erikj@459: AC_PATH_PROG(TOUCH, touch)
erikj@459: CHECK_NONEMPTY(TOUCH)
erikj@459: AC_PATH_PROG(WC, wc)
erikj@459: CHECK_NONEMPTY(WC)
erikj@459: AC_PATH_PROG(XARGS, xargs)
erikj@459: CHECK_NONEMPTY(XARGS)
erikj@459: AC_PATH_PROG(ZIP, zip)
erikj@459: CHECK_NONEMPTY(ZIP)
erikj@459: AC_PATH_PROG(UNZIP, unzip)
erikj@459: CHECK_NONEMPTY(UNZIP)
erikj@459: AC_PATH_PROG(LDD, ldd)
erikj@459: if test "x$LDD" = "x"; then
erikj@459:     # List shared lib dependencies is used for
erikj@459:     # debug output and checking for forbidden dependencies.
erikj@459:     # We can build without it.
erikj@459:     LDD="true"
erikj@459: fi
erikj@459: AC_PATH_PROG(OTOOL, otool)
erikj@459: if test "x$OTOOL" = "x"; then
erikj@459:    OTOOL="true"
erikj@459: fi
erikj@459: AC_PATH_PROG(READELF, readelf)
erikj@459: AC_PATH_PROG(EXPR, expr)
erikj@459: CHECK_NONEMPTY(EXPR)
erikj@459: AC_PATH_PROG(FILE, file)
erikj@459: CHECK_NONEMPTY(FILE)
erikj@459: AC_PATH_PROG(HG, hg)
erikj@459: ])
erikj@459: 
erikj@459: 
erikj@459: 
erikj@459: AC_DEFUN_ONCE([BASIC_COMPILE_UNCYGDRIVE],
erikj@459: [
erikj@459: # When using cygwin, we need a wrapper binary that renames
erikj@459: # /cygdrive/c/ arguments into c:/ arguments and peeks into
erikj@459: # @files and rewrites these too! This wrapper binary is
erikj@459: # called uncygdrive.exe.
erikj@459: UNCYGDRIVE=
erikj@459: if test "x$OPENJDK_BUILD_OS" = xwindows; then
erikj@459:     AC_MSG_CHECKING([if uncygdrive can be created])
erikj@459:     UNCYGDRIVE_SRC=`$CYGPATH -m $SRC_ROOT/common/src/uncygdrive.c`
erikj@459:     rm -f $OUTPUT_ROOT/uncygdrive*
erikj@459:     UNCYGDRIVE=`$CYGPATH -m $OUTPUT_ROOT/uncygdrive.exe`
erikj@459:     cd $OUTPUT_ROOT
erikj@459:     $CC $UNCYGDRIVE_SRC /Fe$UNCYGDRIVE > $OUTPUT_ROOT/uncygdrive1.log 2>&1
erikj@459:     cd $CURDIR
erikj@459: 
erikj@459:     if test ! -x $OUTPUT_ROOT/uncygdrive.exe; then 
erikj@459:         AC_MSG_RESULT([no])
erikj@459:         cat $OUTPUT_ROOT/uncygdrive1.log
erikj@459:         AC_MSG_ERROR([Could not create $OUTPUT_ROOT/uncygdrive.exe])
erikj@459:     fi
erikj@459:     AC_MSG_RESULT([$UNCYGDRIVE])
erikj@459:     AC_MSG_CHECKING([if uncygdrive.exe works])
erikj@459:     cd $OUTPUT_ROOT
erikj@459:     $UNCYGDRIVE $CC $SRC_ROOT/common/src/uncygdrive.c /Fe$OUTPUT_ROOT/uncygdrive2.exe > $OUTPUT_ROOT/uncygdrive2.log 2>&1 
erikj@459:     cd $CURDIR
erikj@459:     if test ! -x $OUTPUT_ROOT/uncygdrive2.exe; then 
erikj@459:         AC_MSG_RESULT([no])
erikj@459:         cat $OUTPUT_ROOT/uncygdrive2.log
erikj@459:         AC_MSG_ERROR([Uncygdrive did not work!])
erikj@459:     fi
erikj@459:     AC_MSG_RESULT([yes])
erikj@459:     rm -f $OUTPUT_ROOT/uncygdrive?.??? $OUTPUT_ROOT/uncygdrive.obj
erikj@459: fi
erikj@459: 
erikj@459: AC_SUBST(UNCYGDRIVE)
erikj@459: ])
erikj@459: 
erikj@459: 
erikj@459: # Check if build directory is on local disk.
erikj@459: # Argument 1: directory to test
erikj@459: # Argument 2: what to do if it is on local disk
erikj@459: # Argument 3: what to do otherwise (remote disk or failure)
erikj@459: AC_DEFUN([BASIC_CHECK_DIR_ON_LOCAL_DISK],
erikj@459: [
erikj@459: 	# df -l lists only local disks; if the given directory is not found then
erikj@459: 	# a non-zero exit code is given
erikj@459: 	if $DF -l $1 > /dev/null 2>&1; then
erikj@459:           $2
erikj@459:         else
erikj@459:           $3
erikj@459:         fi
erikj@459: ])
erikj@459: 
erikj@459: AC_DEFUN_ONCE([BASIC_TEST_USABILITY_ISSUES],
erikj@459: [
erikj@459: 
erikj@459: AC_MSG_CHECKING([if build directory is on local disk])
erikj@459: BASIC_CHECK_DIR_ON_LOCAL_DISK($OUTPUT_ROOT,
erikj@459:   [OUTPUT_DIR_IS_LOCAL="yes"],
erikj@459:   [OUTPUT_DIR_IS_LOCAL="no"])
erikj@459: AC_MSG_RESULT($OUTPUT_DIR_IS_LOCAL)
erikj@459: 
erikj@459: # Check if the user has any old-style ALT_ variables set.
erikj@459: FOUND_ALT_VARIABLES=`env | grep ^ALT_`
erikj@459: 
erikj@459: # Before generating output files, test if they exist. If they do, this is a reconfigure.
erikj@459: # Since we can't properly handle the dependencies for this, warn the user about the situation
erikj@459: if test -e $OUTPUT_ROOT/spec.gmk; then
erikj@459:   IS_RECONFIGURE=yes
erikj@459: else
erikj@459:   IS_RECONFIGURE=no
erikj@459: fi
erikj@459: 
erikj@459: if test -e $SRC_ROOT/build/.hide-configure-performance-hints; then
erikj@459:   HIDE_PERFORMANCE_HINTS=yes
erikj@459: else
erikj@459:   HIDE_PERFORMANCE_HINTS=no
erikj@459:   # Hide it the next time around...
erikj@459:   $TOUCH $SRC_ROOT/build/.hide-configure-performance-hints > /dev/null 2>&1
erikj@459: fi
erikj@459: 
erikj@459: ])