ohair@425: #
ohair@425: # Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.
ohair@425: # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
ohair@425: #
ohair@425: # This code is free software; you can redistribute it and/or modify it
ohair@425: # under the terms of the GNU General Public License version 2 only, as
ohair@425: # published by the Free Software Foundation.  Oracle designates this
ohair@425: # particular file as subject to the "Classpath" exception as provided
ohair@425: # by Oracle in the LICENSE file that accompanied this code.
ohair@425: #
ohair@425: # This code is distributed in the hope that it will be useful, but WITHOUT
ohair@425: # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
ohair@425: # FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
ohair@425: # version 2 for more details (a copy is included in the LICENSE file that
ohair@425: # accompanied this code).
ohair@425: #
ohair@425: # You should have received a copy of the GNU General Public License version
ohair@425: # 2 along with this work; if not, write to the Free Software Foundation,
ohair@425: # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
ohair@425: #
ohair@425: # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
ohair@425: # or visit www.oracle.com if you need additional information or have any
ohair@425: # questions.
ohair@425: #
ohair@425: 
ohair@425: AC_DEFUN([CHECK_FIND_DELETE],
ohair@425: [
ohair@425:     # Test if find supports -delete
ohair@425:     AC_MSG_CHECKING([if find supports -delete])
ohair@425:     FIND_DELETE="-delete"
ohair@425: 
ohair@425:     DELETEDIR=`mktemp -d tmp.XXXXXXXXXX` || (echo Could not create temporary directory!; exit $?)
ohair@425: 
ohair@425:     echo Hejsan > $DELETEDIR/TestIfFindSupportsDelete
ohair@425: 
ohair@425:     TEST_DELETE=`$FIND "$DELETEDIR" -name TestIfFindSupportsDelete $FIND_DELETE 2>&1`
ohair@425:     if test -f $DELETEDIR/TestIfFindSupportsDelete; then
ohair@425:         # No, it does not.
ohair@425:         rm $DELETEDIR/TestIfFindSupportsDelete
ohair@425:         FIND_DELETE="-exec rm \{\} \+"
ohair@425:         AC_MSG_RESULT([no])    
ohair@425:     else
ohair@425:         AC_MSG_RESULT([yes])    
ohair@425:     fi
ohair@425:     rmdir $DELETEDIR
ohair@425: ])
ohair@425: 
ohair@425: AC_DEFUN([CHECK_NONEMPTY],
ohair@425: [
ohair@425:     # Test that variable $1 is not empty.
ohair@425:     if test "" = "[$]$1"; then AC_ERROR(Could not find translit($1,A-Z,a-z) !); fi
ohair@425: ])
ohair@425: 
ohair@425: AC_DEFUN([ADD_JVM_ARG_IF_OK],
ohair@425: [
ohair@425:     # Test if $1 is a valid argument to $3 (often is $JAVA passed as $3)
ohair@425:     # If so, then append $1 to $2
ohair@425:     FOUND_WARN=`$3 $1 -version 2>&1 | grep -i warn`
ohair@425:     FOUND_VERSION=`$3 $1 -version 2>&1 | grep " version \""`
ohair@425:     if test "x$FOUND_VERSION" != x && test "x$FOUND_WARN" = x; then
ohair@425:         $2="[$]$2 $1"
ohair@425:     fi
ohair@425: ])
ohair@425: 
ohair@425: AC_DEFUN([WHICHCMD],
ohair@425: [
ohair@425:     # Translate "gcc -E" into "`which gcc` -E" ie
ohair@425:     # extract the full path to the binary and at the
ohair@425:     # same time maintain any arguments passed to it.
ohair@425:     # The command MUST exist in the path, or else!
ohair@425:     tmp="[$]$1"
ohair@425:     car="${tmp%% *}"
ohair@425:     tmp="[$]$1 EOL"
ohair@425:     cdr="${tmp#* }"
ohair@425:     # On windows we want paths without spaces.
ohair@425:     if test "x$BUILD_OS" = "xwindows"; then
ohair@425:         WHICHCMD_SPACESAFE(car)
ohair@425:     else
ohair@425:         # "which" is not portable, but is used here
ohair@425:         # because we know that the command exists!
ohair@425:         car=`which $car`
ohair@425:     fi
ohair@425:     if test "x$cdr" != xEOL; then
ohair@425:         $1="$car ${cdr% *}"
ohair@425:     else
ohair@425:         $1="$car"
ohair@425:     fi
ohair@425: ])
ohair@425: 
ohair@425: AC_DEFUN([SPACESAFE],
ohair@425: [
ohair@425:     # Fail with message $2 if var $1 contains a path with no spaces in it.
ohair@425:     # Unless on Windows, where we can rewrite the path.
ohair@425:     HAS_SPACE=`echo "[$]$1" | grep " "`
ohair@425:     if test "x$HAS_SPACE" != x; then
ohair@425:         if test "x$BUILD_OS" = "xwindows"; then
ohair@425:             $1=`$CYGPATH -s -m -a "[$]$1"`
ohair@425:             $1=`$CYGPATH -u "[$]$1"`            
ohair@425:         else
ohair@425:             AC_ERROR([You cannot have spaces in $2! "[$]$1"])
ohair@425:         fi
ohair@425:     fi
ohair@425: ])
ohair@425: 
ohair@425: AC_DEFUN([WHICHCMD_SPACESAFE],
ohair@425: [
ohair@425:     # Translate long cygdrive or C:\sdfsf path
ohair@425:     # into a short mixed mode path that has no
ohair@425:     # spaces in it.
ohair@425:     tmp="[$]$1"
ohair@425:     if test "x$BUILD_OS" = "xwindows"; then
ohair@425:         tmp=`$CYGPATH -u "[$]$1"`
ohair@425:         tmp=`which "$tmp"`
ohair@425:         # If file exists with .exe appended, that's the real filename
ohair@425:         # and cygpath needs that to convert to short style path.
ohair@425:         if test -f "${tmp}.exe"; then
ohair@425:            tmp="${tmp}.exe"
ohair@425:         elif test -f "${tmp}.cmd"; then
ohair@425:            tmp="${tmp}.cmd"
ohair@425:         fi
ohair@425:         # Convert to C:/ mixed style path without spaces.
ohair@425:          tmp=`$CYGPATH -s -m "$tmp"`
ohair@425:     fi
ohair@425:     $1="$tmp"
ohair@425: ])
ohair@425: 
ohair@425: AC_DEFUN([REMOVE_SYMBOLIC_LINKS],
ohair@425: [
ohair@425:     if test "x$BUILD_OS" != xwindows; then
ohair@425:         # Follow a chain of symbolic links. Use readlink
ohair@425:         # where it exists, else fall back to horribly
ohair@425:         # complicated shell code.
ohair@425:         AC_PATH_PROG(READLINK, readlink)
ohair@425:         if test "x$READLINK_TESTED" != yes; then
ohair@425:             # On MacOSX there is a readlink tool with a different
ohair@425:             # purpose than the GNU readlink tool. Check the found readlink.
ohair@425:             ISGNU=`$READLINK --help 2>&1 | grep GNU`
ohair@425:             if test "x$ISGNU" = x; then
ohair@425:                  # A readlink that we do not know how to use.
ohair@425:                  # Are there other non-GNU readlinks out there?
ohair@425:                  READLINK_TESTED=yes
ohair@425:                  READLINK=
ohair@425:             fi
ohair@425:         fi
ohair@425: 
ohair@425:         if test "x$READLINK" != x; then
ohair@425:             $1=`$READLINK -f [$]$1`
ohair@425:         else
ohair@425:             STARTDIR=$PWD
ohair@425:             COUNTER=0
ohair@425:             DIR=`dirname [$]$1`
ohair@425:             FIL=`basename [$]$1`
ohair@425:             while test $COUNTER -lt 20; do
ohair@425:                 ISLINK=`ls -l $DIR/$FIL | grep '\->' | sed -e 's/.*-> \(.*\)/\1/'`
ohair@425:                 if test "x$ISLINK" == x; then
ohair@425:                     # This is not a symbolic link! We are done!
ohair@425:                     break
ohair@425:                 fi
ohair@425:                 # The link might be relative! We have to use cd to travel safely.
ohair@425:                 cd $DIR
ohair@425:                 cd `dirname $ISLINK`
ohair@425:                 DIR=`pwd`
ohair@425:                 FIL=`basename $ISLINK`
ohair@425:                 let COUNTER=COUNTER+1
ohair@425:             done
ohair@425:             cd $STARTDIR
ohair@425:             $1=$DIR/$FIL
ohair@425:         fi
ohair@425:     fi
ohair@425: ])
ohair@425: 
ohair@425: AC_DEFUN([TESTFOR_PROG_CCACHE],
ohair@425: [
ohair@425:     AC_ARG_ENABLE([ccache],
ohair@425: 	      [AS_HELP_STRING([--disable-ccache],
ohair@425: 	      		      [use ccache to speed up recompilations @<:@enabled@:>@])],
ohair@425:               [ENABLE_CCACHE=${enable_ccache}], [ENABLE_CCACHE=yes])
ohair@425:     if test "x$ENABLE_CCACHE" = xyes; then
ohair@425:         AC_PATH_PROG(CCACHE, ccache)
ohair@425:     else
ohair@425:         AC_MSG_CHECKING([for ccache])
ohair@425:         AC_MSG_RESULT([explicitly disabled])    
ohair@425:         CCACHE=
ohair@425:     fi    
ohair@425:     AC_SUBST(CCACHE)
ohair@425: 
ohair@425:     AC_ARG_WITH([ccache-dir],
ohair@425: 	      [AS_HELP_STRING([--with-ccache-dir],
ohair@425: 	      		      [where to store ccache files @<:@~/.ccache@:>@])])
ohair@425: 
ohair@425:     if test "x$with_ccache_dir" != x; then
ohair@425:         # When using a non home ccache directory, assume the use is to share ccache files
ohair@425:         # with other users. Thus change the umask.
ohair@425:         SET_CCACHE_DIR="CCACHE_DIR=$with_ccache_dir CCACHE_UMASK=002"
ohair@425:     fi
ohair@425:     CCACHE_FOUND=""
ohair@425:     if test "x$CCACHE" != x; then
ohair@425:         SETUP_CCACHE_USAGE
ohair@425:     fi    
ohair@425: ])
ohair@425: 
ohair@425: AC_DEFUN([SETUP_CCACHE_USAGE],
ohair@425: [
ohair@425:     if test "x$CCACHE" != x; then
ohair@425:         CCACHE_FOUND="true"
ohair@425:         # Only use ccache if it is 3.1.4 or later, which supports
ohair@425:         # precompiled headers.
ohair@425:         AC_MSG_CHECKING([if ccache supports precompiled headers])
ohair@425:         HAS_GOOD_CCACHE=`($CCACHE --version | head -n 1 | grep -E 3.1.@<:@456789@:>@) 2> /dev/null`
ohair@425:         if test "x$HAS_GOOD_CCACHE" = x; then
ohair@425:             AC_MSG_RESULT([no, disabling ccache])
ohair@425:             CCACHE=
ohair@425:         else
ohair@425:             AC_MSG_RESULT([yes])
ohair@425:             AC_MSG_CHECKING([if C-compiler supports ccache precompiled headers])
ohair@425:             PUSHED_FLAGS="$CXXFLAGS"
ohair@425:             CXXFLAGS="-fpch-preprocess $CXXFLAGS"
ohair@425:             AC_TRY_COMPILE([], [], [CC_KNOWS_CCACHE_TRICK=yes], [CC_KNOWS_CCACHE_TRICK=no])
ohair@425:             CXXFLAGS="$PUSHED_FLAGS"
ohair@425:             if test "x$CC_KNOWS_CCACHE_TRICK" = xyes; then
ohair@425:                 AC_MSG_RESULT([yes])
ohair@425:             else
ohair@425:                 AC_MSG_RESULT([no, disabling ccaching of precompiled headers])
ohair@425:                 CCACHE=
ohair@425:             fi
ohair@425:         fi
ohair@425:     fi
ohair@425: 
ohair@425:     if test "x$CCACHE" != x; then
ohair@425:         CCACHE_SLOPPINESS=time_macros
ohair@425:         CCACHE="CCACHE_COMPRESS=1 $SET_CCACHE_DIR CCACHE_SLOPPINESS=$CCACHE_SLOPPINESS $CCACHE"
ohair@425:         CCACHE_FLAGS=-fpch-preprocess
ohair@425: 
ohair@425:         if test "x$SET_CCACHE_DIR" != x; then
ohair@425:             mkdir -p $CCACHE_DIR > /dev/null 2>&1
ohair@425: 	    chmod a+rwxs $CCACHE_DIR > /dev/null 2>&1
ohair@425:         fi
ohair@425:     fi
ohair@425: ])
ohair@425: 
ohair@425: AC_DEFUN([EXTRACT_HOST_AND_BUILD_AND_LEGACY_VARS],
ohair@425: [
ohair@425:     # Expects $host_os $host_cpu $build_os and $build_cpu
ohair@425:     # and $with_data_model to have been setup!
ohair@425:     #
ohair@425:     # Translate the standard triplet(quadruplet) definition
ohair@425:     # of the host/build system into
ohair@425:     # HOST_OS=aix,bsd,hpux,linux,macosx,solaris,windows
ohair@425:     # HOST_OS_FAMILY=bsd,gnu,sysv,win32,wince
ohair@425:     # HOST_OS_API=posix,winapi
ohair@425:     # 
ohair@425:     # HOST_CPU=ia32,x64,sparc,sparcv9,arm,arm64,ppc,ppc64
ohair@425:     # HOST_CPU_ARCH=x86,sparc,pcc,arm
ohair@425:     # HOST_CPU_BITS=32,64
ohair@425:     # HOST_CPU_ENDIAN=big,little
ohair@425:     #
ohair@425:     # The same values are setup for BUILD_...
ohair@425:     # 
ohair@425:     # And the legacy variables, for controlling the old makefiles.
ohair@425:     # LEGACY_HOST_CPU1=i586,amd64,sparc,sparcv9,arm,arm64...
ohair@425:     # LEGACY_HOST_CPU2=i386,amd64,sparc,sparcv9,arm,arm64...
ohair@425:     # LEGACY_HOST_CPU3=sparcv9,amd64 (but only on solaris)
ohair@425:     # LEGACY_HOST_OS_API=solaris,windows
ohair@425:     #
ohair@425:     # We also copy the autoconf trip/quadruplet
ohair@425:     # verbatim to HOST and BUILD
ohair@425:     AC_SUBST(HOST, ${host})
ohair@425:     AC_SUBST(BUILD, ${build})
ohair@425:     
ohair@425:     EXTRACT_VARS_FROM_OS_TO(HOST,$host_os)
ohair@425:     EXTRACT_VARS_FROM_CPU_TO(HOST,$host_cpu)
ohair@425: 
ohair@425:     EXTRACT_VARS_FROM_OS_TO(BUILD,$build_os)
ohair@425:     EXTRACT_VARS_FROM_CPU_TO(BUILD,$build_cpu)
ohair@425: 
ohair@425:     if test "x$HOST_OS" != xsolaris; then
ohair@425:         LEGACY_HOST_CPU3=""
ohair@425:         LEGACY_BUILD_CPU3=""
ohair@425:     fi   
ohair@425: ])
ohair@425: 
ohair@425: AC_DEFUN([EXTRACT_VARS_FROM_OS_TO],
ohair@425: [
ohair@425:     EXTRACT_VARS_FROM_OS($2)
ohair@425:     $1_OS="$VAR_OS"
ohair@425:     $1_OS_FAMILY="$VAR_OS_FAMILY"
ohair@425:     $1_OS_API="$VAR_OS_API"
ohair@425: 
ohair@425:     AC_SUBST($1_OS)
ohair@425:     AC_SUBST($1_OS_FAMILY)
ohair@425:     AC_SUBST($1_OS_API)
ohair@425: 
ohair@425:     if test "x$$1_OS_API" = xposix; then
ohair@425:         LEGACY_$1_OS_API="solaris"
ohair@425:     fi
ohair@425:     if test "x$$1_OS_API" = xwinapi; then
ohair@425:         LEGACY_$1_OS_API="windows"
ohair@425:     fi
ohair@425:     AC_SUBST(LEGACY_$1_OS_API)    
ohair@425: ])
ohair@425: 
ohair@425: AC_DEFUN([EXTRACT_VARS_FROM_CPU_TO],
ohair@425: [
ohair@425:     EXTRACT_VARS_FROM_CPU($2)
ohair@425:     $1_CPU="$VAR_CPU"
ohair@425:     $1_CPU_ARCH="$VAR_CPU_ARCH"
ohair@425:     $1_CPU_BITS="$VAR_CPU_BITS"
ohair@425:     $1_CPU_ENDIAN="$VAR_CPU_ENDIAN"
ohair@425: 
ohair@425:     AC_SUBST($1_CPU)
ohair@425:     AC_SUBST($1_CPU_ARCH)
ohair@425:     AC_SUBST($1_CPU_BITS)
ohair@425:     AC_SUBST($1_CPU_ENDIAN)
ohair@425:     
ohair@425:     # Also store the legacy naming of the cpu.
ohair@425:     # Ie i586 and amd64 instead of ia32 and x64
ohair@425:     LEGACY_$1_CPU1="$VAR_LEGACY_CPU"
ohair@425:     AC_SUBST(LEGACY_$1_CPU1)
ohair@425: 
ohair@425:     # And the second legacy naming of the cpu.
ohair@425:     # Ie i386 and amd64 instead of ia32 and x64.
ohair@425:     LEGACY_$1_CPU2="$LEGACY_$1_CPU1"
ohair@425:     if test "x$LEGACY_$1_CPU1" = xi586; then 
ohair@425:         LEGACY_$1_CPU2=i386
ohair@425:     fi
ohair@425:     AC_SUBST(LEGACY_$1_CPU2)
ohair@425: 
ohair@425:     # And the third legacy naming of the cpu.
ohair@425:     # Ie only amd64 or sparcv9, used for the ISA_DIR on Solaris.
ohair@425:     LEGACY_$1_CPU3=""
ohair@425:     if test "x$$1_CPU" = xx64; then 
ohair@425:         LEGACY_$1_CPU3=amd64
ohair@425:     fi
ohair@425:     if test "x$$1_CPU" = xsparcv9; then 
ohair@425:         LEGACY_$1_CPU3=sparvc9
ohair@425:     fi
ohair@425:     AC_SUBST(LEGACY_$1_CPU3)
ohair@425: ])
ohair@425: 
ohair@425: AC_DEFUN([EXTRACT_VARS_FROM_CPU],
ohair@425: [
ohair@425:   # First argument is the cpu name from the trip/quad
ohair@425:   case "$1" in
ohair@425:     x86_64)
ohair@425:       VAR_CPU=x64
ohair@425:       VAR_CPU_ARCH=x86
ohair@425:       VAR_CPU_BITS=64
ohair@425:       VAR_CPU_ENDIAN=little
ohair@425:       VAR_LEGACY_CPU=amd64
ohair@425:       ;;
ohair@425:     i?86)
ohair@425:       VAR_CPU=ia32
ohair@425:       VAR_CPU_ARCH=x86
ohair@425:       VAR_CPU_BITS=32
ohair@425:       VAR_CPU_ENDIAN=little
ohair@425:       VAR_LEGACY_CPU=i586
ohair@425:       ;;
ohair@425:     alpha*)
ohair@425:       VAR_CPU=alpha
ohair@425:       VAR_CPU_ARCH=alpha
ohair@425:       VAR_CPU_BITS=64
ohair@425:       VAR_CPU_ENDIAN=big
ohair@425:       VAR_LEGACY_CPU=alpha
ohair@425:       ;;
ohair@425:     arm*)
ohair@425:       VAR_CPU=arm
ohair@425:       VAR_CPU_ARCH=arm
ohair@425:       VAR_CPU_BITS=3264
ohair@425:       VAR_CPU_ENDIAN=big
ohair@425:       VAR_LEGACY_CPU=arm
ohair@425:       ;;
ohair@425:     mips)
ohair@425:       VAR_CPU=mips
ohair@425:       VAR_CPU_ARCH=mips
ohair@425:       VAR_CPU_BITS=woot
ohair@425:       VAR_CPU_ENDIAN=woot
ohair@425:       VAR_LEGACY_CPU=mips
ohair@425:        ;;
ohair@425:     mipsel)
ohair@425:       VAR_CPU=mipsel
ohair@425:       VAR_CPU_ARCH=mips
ohair@425:       VAR_CPU_BITS=woot
ohair@425:       VAR_CPU_ENDIAN=woot
ohair@425:       VAR_LEGACY_CPU=mipsel
ohair@425:        ;;
ohair@425:     powerpc)
ohair@425:       VAR_CPU=ppc
ohair@425:       VAR_CPU_ARCH=ppc
ohair@425:       VAR_CPU_BITS=32
ohair@425:       VAR_CPU_ENDIAN=big
ohair@425:       VAR_LEGACY_CPU=ppc
ohair@425:        ;;
ohair@425:     powerpc64)
ohair@425:       VAR_CPU=ppc64
ohair@425:       VAR_CPU_ARCH=ppc
ohair@425:       VAR_CPU_BITS=64
ohair@425:       VAR_CPU_ENDIAN=32
ohair@425:       VAR_LEGACY_CPU=ppc64
ohair@425:        ;;
ohair@425:     sparc)
ohair@425:       VAR_CPU=sparc
ohair@425:       VAR_CPU_ARCH=sparc
ohair@425:       VAR_CPU_BITS=32
ohair@425:       VAR_CPU_ENDIAN=big
ohair@425:       VAR_LEGACY_CPU=sparc
ohair@425:        ;;
ohair@425:     sparc64)
ohair@425:       VAR_CPU=sparcv9
ohair@425:       VAR_CPU_ARCH=sparc
ohair@425:       VAR_CPU_BITS=64
ohair@425:       VAR_CPU_ENDIAN=big
ohair@425:       VAR_LEGACY_CPU=sparc_sparcv9
ohair@425:        ;;
ohair@425:     s390)
ohair@425:       VAR_CPU=s390
ohair@425:       VAR_CPU_ARCH=s390
ohair@425:       VAR_CPU_BITS=32
ohair@425:       VAR_CPU_ENDIAN=woot
ohair@425:       VAR_LEGACY_CPU=s390
ohair@425:       VAR_LEGACY_CPU=s390
ohair@425:        ;;
ohair@425:     s390x)
ohair@425:       VAR_CPU=s390x
ohair@425:       VAR_CPU_ARCH=s390
ohair@425:       VAR_CPU_BITS=64
ohair@425:       VAR_CPU_ENDIAN=woot
ohair@425:       VAR_LEGACY_CPU=s390x
ohair@425:        ;;
ohair@425:     *)
ohair@425:       AC_ERROR([unsupported cpu $1])
ohair@425:       ;;
ohair@425:   esac
ohair@425: 
ohair@425:   # Workaround cygwin not knowing about 64 bit.
ohair@425:   if test "x$VAR_OS" = "xwindows"; then
ohair@425:       if test "x$PROCESSOR_IDENTIFIER" != "x"; then
ohair@425:           PROC_ARCH=`echo $PROCESSOR_IDENTIFIER | $CUT -f1 -d' '`
ohair@425:           case "$PROC_ARCH" in
ohair@425:             intel64|Intel64|INTEL64|em64t|EM64T|amd64|AMD64|8664|x86_64)
ohair@425:               VAR_CPU=x64
ohair@425:               VAR_CPU_BITS=64
ohair@425:               VAR_LEGACY_CPU=amd64
ohair@425:               ;;
ohair@425:           esac
ohair@425:       fi
ohair@425:   fi
ohair@425: 
ohair@425:   if test "x$VAR_CPU_ARCH" = "xx86"; then
ohair@425:       if test "x$with_data_model" = "x64"; then
ohair@425:           VAR_CPU=x64
ohair@425:           VAR_CPU_BITS=64
ohair@425:           VAR_LEGACY_CPU=amd64
ohair@425:       fi
ohair@425:       if test "x$with_data_model" = "x32"; then
ohair@425:           VAR_CPU=ia32
ohair@425:           VAR_CPU_BITS=32
ohair@425:           VAR_LEGACY_CPU=i586
ohair@425:       fi
ohair@425:   fi 
ohair@425: ])
ohair@425: 
ohair@425: AC_DEFUN([EXTRACT_VARS_FROM_OS],
ohair@425: [
ohair@425:   case "$1" in
ohair@425:     *linux*)
ohair@425:       VAR_OS=linux
ohair@425:       VAR_OS_API=posix
ohair@425:       VAR_OS_FAMILY=gnu
ohair@425:       ;;
ohair@425:     *solaris*)
ohair@425:       VAR_OS=solaris
ohair@425:       VAR_OS_API=posix
ohair@425:       VAR_OS_FAMILY=sysv
ohair@425:       ;;
ohair@425:     *darwin*)
ohair@425:       VAR_OS=macosx
ohair@425:       VAR_OS_API=posix
ohair@425:       VAR_OS_FAMILY=bsd
ohair@425:       ;;
ohair@425:     *bsd*)
ohair@425:       VAR_OS=bsd
ohair@425:       VAR_OS_API=posix
ohair@425:       VAR_OS_FAMILY=bsd
ohair@425:       ;;
ohair@425:     *cygwin*|*windows*)
ohair@425:       VAR_OS=windows
ohair@425:       VAR_OS_API=winapi
ohair@425:       VAR_OS_FAMILY=windows
ohair@425:       ;;
ohair@425:     *)
ohair@425:       AC_MSG_ERROR([unsupported host operating system $1])
ohair@425:       ;;
ohair@425:   esac
ohair@425: ])
ohair@425: 
ohair@425: AC_DEFUN([CHECK_COMPILER_VERSION],
ohair@425: [
ohair@425:     # Test the compilers that their versions are new enough.
ohair@425: #    AC_MSG_CHECKING([version of GCC])
ohair@425:     gcc_ver=`${CC} -dumpversion`
ohair@425:     gcc_major_ver=`echo ${gcc_ver}|cut -d'.' -f1`
ohair@425:     gcc_minor_ver=`echo ${gcc_ver}|cut -d'.' -f2`
ohair@425: #    AM_CONDITIONAL(GCC_OLD, test ! ${gcc_major_ver} -ge 4 -a ${gcc_minor_ver} -ge 3)
ohair@425: #    AC_MSG_RESULT([${gcc_ver} (major version ${gcc_major_ver}, minor version ${gcc_minor_ver})])
ohair@425: ]) 
ohair@425: 
ohair@425: # Fixes paths on windows hosts to be mixed mode short.
ohair@425: AC_DEFUN([WIN_FIX_PATH],
ohair@425: [
ohair@425:     if test "x$BUILD_OS" = "xwindows"; then
ohair@425:         AC_PATH_PROG(CYGPATH, cygpath)
ohair@425:         tmp="[$]$1"
ohair@425:         # Convert to C:/ mixed style path without spaces.
ohair@425:         tmp=`$CYGPATH -s -m "$tmp"`
ohair@425:         $1="$tmp"
ohair@425:     fi
ohair@425: ])