dnl /******************************************************************
dnl *
dnl * Name: configure.in
dnl * Auth: Willem van Dorp, Ross Nicholson, Oisin Boydell - Sun Microsystems Ireland
dnl * Rev.: 0.1
dnl * Date: May 2000
dnl *
dnl * Desc: This file serves as input for the GNU autoconf package
dnl *       in order to create a configure script.
dnl *       In this stage configure just checks the pre-requisites
dnl *       necessary to build OpenOffice on a Sun Solaris or Linux
dnl *       platform.
dnl *
dnl *
dnl ******************************************************************/
clear;
AC_PREREQ(2.12)
AC_INIT()
AC_ARG_WITH(gcc-home,
[  --with-gcc-home         if you built gcc-2.95.2 from source to a specific
                          directory, and used the --with-shared option,
                          please supply your gcc home directory here.
                          Note that this is not the location of the gcc binary but the 
                          location of the entire distribution.
                          
                          Usage: --with-gcc-home=<absolute path to gcc home>
],,)
AC_ARG_WITH(jdk-home,
[  --with-jdk-home         if you have installed JDK 1.2.2, on your system,
                          please supply the path here.
                          Note that this is not the location of the Java binary but the
                          location of the entire distribution.
 
                          Usage: --with-jdk-home=<absolute path to JDK 1.2.2 home>
],,)
AC_ARG_WITH(perl-home,
[  --with-perl-home        if you have installed the Perl 5 Distribution, on your system,
                          please supply the path here.
                          Note that this is not the location of the Perl binary but the
                          location of the entire distribution.
 
                          Usage: --with-perl-home=<absolute path to Perl 5 home>
],,)
AC_ARG_WITH(cl-home,
[  --with-cl-home          for Windows NT users, please supply the MS-DOS format path (no spaces)
                          for the Microsoft C/C++ compiler. 
                          Note that this is not the location of the compiler binary but the
                          location of the entire distribution.
 
                          Usage: --with-cl-home=<absolute MS-DOS path to Microsoft C/C++ compiler home>
],,)
AC_ARG_WITH(local-solenv,
[  --with-local-solenv     if you have solenv in a location other than OpenOffice/solenv,
                          please supply the path here.
 
                          Usage: --with-local-solenv=<absolute path to solenv>
],,)
AC_ARG_WITH(local-solver,
[  --with-local-solver     if you have solver in a location other than OpenOffice/solver,
                          please supply the path here.
 
                          Usage: --with-local-solver=<absolute path to solver>
],,)
AC_ARG_ENABLE(check-only,
[  --enable-check-only     Use this option option if you just want to check your environment.
                          This option stops the generation of an env.set
 
                          Usage: --enable-check-only=yes
],,)
AC_ARG_ENABLE(macos9,
[  --enable-macos9         Use this option option if you want to generate a macos9 
                          environment on macosx.
                          
                          Usage: --enable-macos9
],,)

dnl ===================================================================
dnl Message.
dnl ===================================================================
echo "********************************************************************"
echo "*                                                                  *"
echo "*   OpenOffice build configuration.                                *"
echo "*                                                                  *"
echo "*   The configure proces checks your platform to see whether       *"
echo "*   you can build OpenOffice on it.                                *"
echo "*   This proces checks all pre-requisites and generates a file     *"
echo "*   containing the necessary environment variables.                *"
echo "*   Source this file after configure has ended succesfully.        *"
echo "*                                                                  *"
echo "*   Any warning that is generated during the configure process     *"
echo "*   must be taken into account, since it can be a reason for       *"
echo "*   an unsuccessfull build of OpenOffice.                          *"
echo "*                                                                  *"
echo "********************************************************************"
echo "********************************************************************"
echo "*                                                                  *"
echo "*   Checking the platform pre-requisites.                          *"
echo "*                                                                  *"
echo "********************************************************************"
dnl ===================================================================
dnl Configure pre-requisites.
dnl ===================================================================
cat /dev/null > warn
AC_PATH_PROGS(AWK, awk gawk )
if test -z "$AWK"; then
   AC_MSG_ERROR([install awk to run this script])
fi
AC_PATH_PROGS(SED, sed )
if test -z "$SED"; then
   AC_MSG_ERROR([install sed to run this script])
fi
dnl ===================================================================
dnl Checks for the operating system and processor.
dnl ===================================================================
dnl checking the os
AC_MSG_CHECKING([the operating system])
_os=`uname`
if test "$_os" = "SunOS" -o "$_os" = "Linux" -o "$_os" = "WINNT" -o "$_os" = "Darwin"; then
   AC_MSG_RESULT([checked ($_os)])
else
   AC_MSG_ERROR([$_os operating system is not suitable to build OpenOffice!])
fi
_machine_type=`uname -m`
dnl check whether we're using solaris 7
if test "$_os" = "SunOS"; then 
   AC_MSG_CHECKING([the solaris operating system release])
   _os_release=`uname -r | $AWK -F. '{ print $2 }'`
   if test "$_os_release" != "7" -a "$_os_release" != "6"; then
      AC_MSG_ERROR([use solaris 6 or 7 to build OpenOffice])
   else
      AC_MSG_RESULT([ok ($_os_release)])
   fi
fi
dnl check whether we're using a sparc processor
if test "$_os" = "SunOS"
then
   AC_MSG_CHECKING([the processor type])
   _processor=`uname -p`
   if test "$_processor" = "sparc"
   then
      AC_MSG_RESULT([ok ($_processor)])
   else
      AC_MSG_ERROR([only sparc processor is supported])
   fi
fi
dnl ===================================================================
dnl Checks for compilers. 
dnl ===================================================================
if test "$_os" = "SunOS"; then
   CC=cc; export CC;
fi   
if test "$_os" != "WINNT"; then
   AC_PROG_CC
fi
if test "$_os" = "Linux"; then
   dnl ******************************************
   dnl Testing for GNU compiler and version...
   dnl ******************************************
   dnl Check whether the gnu gcc compiler is used.
   if test -z "$with_gcc_home"; then
      if test "$CC" = "gcc"; then
         AC_PATH_PROG(GCC, gcc)
         COMPATH=`echo $GCC | $SED -n "s/\/gcc//p"`
         _gcc_include_start=/usr/lib/gcc-lib
         _gxx_include_start=/usr/include
      fi
   else
      dnl Compiler has been installed to its own directory and it's home is arg with_gcc_home
      _gcc_path="$with_gcc_home/bin/gcc"
      if test -x $_gcc_path; then
         GCC=$_gcc_path
         COMPATH="$with_gcc_home/bin"
         _gcc_include_start=$with_gcc_home
         _gxx_include_start=$with_gcc_home
      fi
   fi

   if test $GCC; then
      AC_MSG_CHECKING([the GNU gcc compiler version])
      _gcc_releasetype=`$GCC --version | $AWK -F"-" '{ print \$1 }'`
      if test "$_gcc_releasetype" = "egcs"; then
         AC_MSG_WARN([found egcs- version,  use (stable=gcc-) version of the compiler])
         AC_MSG_WARN([found egcs- version,  use (stable=gcc-) version of the compiler]) >> warn
         _gcc_version=`$GCC --version | $AWK -F"-" '{ print \$2 }'`
      else
         _gcc_version=`$GCC --version`
      fi
      _gcc_major=`echo $_gcc_version | $AWK -F. '{ print \$1 }'` 
      if test "$_gcc_major" != "2"; then
         AC_MSG_WARN([found version "$_gcc_version", use version 2.95.2 of the gcc compiler])
         AC_MSG_WARN([found version "$_gcc_version", use version 2.95.2 of the gcc compiler]) >> warn
         COMPATH="NO_GCC"
      else
         _gcc_middle=`$GCC --version | $AWK -F. '{ if ($2 != 95) print "false"; else print "true" }'` 
         if test "$_gcc_middle" = "false"; then
            AC_MSG_WARN([found version "$_gcc_version", use version 2.95.2 of the gcc compiler])
            AC_MSG_WARN([found version "$_gcc_version", use version 2.95.2 of the gcc compiler]) >> warn
            COMPATH="NO_GCC"
         else
            _gcc_minor=`$GCC --version | $AWK -F. '{ if ($3 != 2) print "false"; else print "true" }'` 
            if test "$_gcc_minor" = "false"; then
               AC_MSG_WARN([found version "$_gcc_version", use version 2.95.2 of the gcc compiler])
               AC_MSG_WARN([found version "$_gcc_version", use version 2.95.2 of the gcc compiler]) >> warn
               COMPATH="NO_GCC"
            else
               dnl compiler will do
               AC_MSG_RESULT([checked (gcc $_gcc_version)])
               dnl find include paths now
               AC_MSG_CHECKING([the GNU gcc include paths])
               _gcc_include_path=`find $_gcc_include_start -name "2.95.2" -print 2> /dev/null`
               if test "$_gcc_include_path"; then
                  _multiple=`echo $_gcc_include_path | $AWK '{ if ($2) print "true"; else print "false" }'`
                  if test "$_multiple" = "false"; then
                     _gcc_include_path="$_gcc_include_path/include"

                     _gxx_include_path=`find $_gxx_include_start -name "g++-3" -print 2> /dev/null`
                     if test "$_gxx_include_path"; then
                        _multiple=`echo $_gxx_include_path | $AWK '{ if ($2) print "true"; else print "false" }'`
                        if test "$_multiple" = "false"; then
                           AC_MSG_RESULT([checked])
                        else
                           AC_MSG_WARN([found multiple g++-3 directories, please rename so you have one distinct])
                           AC_MSG_WARN([found multiple g++-3 directories, please rename so you have one distinct]) >> warn
                        fi
                     else
                        _gxx_include_path2=`find $_gxx_include_start -name "g++-2" -print 2> /dev/null`
                        if test "$_gxx_include_path2"; then
                           _multiple=`echo $_gxx_include_path2 | $AWK '{ if ($2) print "true"; else print "false" }'`
                           if test "$_multiple" = "false"; then
                              AC_MSG_RESULT([checked])
                              _gxx_include_path="$_gxx_include_path2"
                           else
                              AC_MSG_WARN([found multiple g++-2 directories, please rename so you have one distinct])
                              AC_MSG_WARN([found multiple g++-2 directories, please rename so you have one distinct]) >> warn
                           fi
                        else
                           _gxx_include_path3=`find $_gxx_include_start -name "g++" -print 2> /dev/null`
                           if test "$_gxx_include_path3"; then
                              _multiple=`echo $_gxx_include_path3 | $AWK '{ if ($2) print "true"; else print "false" }'`
                              if test "$_multiple" = "false"; then
                                 AC_MSG_RESULT([checked])
                                 _gxx_include_path="$_gxx_include_path3"
                              else
                                 AC_MSG_WARN([found multiple g++ directories, please rename so you have one distinct])
                                 AC_MSG_WARN([found multiple g++ directories, please rename so you have one distinct]) >> warn
                                 _gxx_include_path="NO_GXX_INCLUDE"
                              fi
                           else
                              AC_MSG_WARN([could not find g++-3 or g++-2 or g++ directories, please use ./configure --help])
                              AC_MSG_WARN([could not find g++-3 or g++-2 or g++ directories, please use ./configure --help]) >> warn
                           fi
                        fi
                     fi
                  else
                     AC_MSG_WARN([found multiple 2.95.2/include directories, please rename so you have one distinct])
                     AC_MSG_WARN([found multiple 2.95.2/include directories, please rename so you have one distinct]) >> warn
                     _gcc_include_path="NO_GCC_INCLUDE"
                  fi
               else
                  AC_MSG_WARN([could not find 2.95.2/include directory of the gcc compiler])
                  AC_MSG_WARN([could not find 2.95.2/include directory of the gcc compiler]) >> warn
                  _gcc_include_path="NO_GCC_INCLUDE"
               fi
            fi
         fi
      fi
   else
      AC_MSG_WARN([no gcc compiler found])
      AC_MSG_WARN([no gcc compiler found]) >> warn
      COMPATH="NO_GCC"
   fi
fi
if test "$_os" = "SunOS"; then
   if test "$CC" = "cc"; then
      AC_PATH_PROGS(_cc, cc)
      COMPATH=`echo $_cc | $SED -n "s/\/bin\/cc//p"`
      AC_MSG_CHECKING([the SUN Workshop C compiler version])
      dnl cc -V outputs to standard error!!!!
      _workshop_version=`$CC -V 2>&1 | $AWK '/^cc/ { print $7 }'`
      _workshop_major=`echo $_workshop_version | $AWK -F. '{ print $1 }'` 
      if test "$_workshop_major" != "5"; then
         AC_MSG_WARN([found version "$_workshop_version", use version 5.0 of the Sun Workshop C compiler])
         AC_MSG_WARN([found version "$_workshop_version", use version 5.0 of the Sun Workshop C compiler]) >> warn
         COMPATH="NO_COMPATH"
      else
         _workshop_minor=`echo $_workshop_version | $AWK -F. '{ if ($2 != 0) print "false"; else print "true" }'` 
         if test "$_workshop_minor" = "false"; then
            AC_MSG_WARN([found version "$_workshop_version", use version 5.0 of the Sun Workshop C compiler])
            AC_MSG_WARN([found version "$_workshop_version", use version 5.0 of the Sun Workshop C compiler]) >> warn
            COMPATH="NO_COMPATH"
         else
            dnl compiler will do
            AC_MSG_RESULT([checked])
         fi
      fi
   fi
fi
if test "$_os" = "Darwin"; then
   if test "$CC" = "cc"; then
      AC_PATH_PROGS(_cc, cc)
      COMPATH=`echo $_cc | $SED -n "s/\/cc//p"`
      AC_MSG_CHECKING([the gcc compiler version])
      dnl cc -v outputs to standard error!!!!
      cc_version=`$CC -v 2>&1 | $AWK '/Apple Computer/ { print $15 }'`
      cc_major=`echo $cc_version | $AWK -F. '{ print $1 }'`
      if test "$cc_major" != "2"; then
         AC_MSG_WARN([found version "$cc_version", use version 2.95.2 of the gcc compiler])
         AC_MSG_WARN([found version "$cc_version", use version 2.95.2 of the gcc compiler]) >> warn
         COMPATH="NO_COMPATH"
      else
         cc_middle=`echo $cc_version | $AWK -F. '{ if ($2 != 95) print "false"; else print "true" }'`
         if test "$cc_middle" = "false"; then
            AC_MSG_WARN([found version "$cc_version", use version 2.95.2 of the gcc compiler])
            AC_MSG_WARN([found version "$cc_version", use version 2.95.2 of the gcc compiler]) >> warn
            COMPATH="NO_COMPATH"
         else
            cc_minor=`echo $cc_version | $AWK -F. '{ if ($3 != 2) print "false"; else print "true" }'`
            if test "$cc_minor" = "false"; then
               AC_MSG_WARN([found version "$cc_version", use version 2.95.2 of the gcc compiler])
               AC_MSG_WARN([found version "$cc_version", use version 2.95.2 of the gcc compiler]) >> warn
               COMPATH="NO_COMPATH"
            else
               dnl compiler will do
               AC_MSG_RESULT([checked])
            fi
         fi
      fi
   fi
fi     

if test "$_os" = "WINNT"; then
   AC_MSG_CHECKING([the Microsoft C/C++ Compiler])
   dnl Check if there is a Microsoft C/C++ compiler.
   if test -x "$with_cl_home/bin/cl"; then
      COMPATH=$with_cl_home
      AC_MSG_RESULT([checked])
   else
      COMPATH="NO_CL"
      AC_MSG_WARN([could not find Microsoft C/C++ Compiler])
      AC_MSG_WARN([could not find Microsoft C/C++ Compiler]) >> warn
   fi
fi     

dnl Check if stdc headers are availlable excluding windows.
if test "$_os" != "WINNT"; then
   AC_HEADER_STDC
fi

dnl Check if palm-appl.h is available on Linux
if test "$_os" = "Linux"; then
   AC_MSG_CHECKING([pam_appl.h])
   if test -f "/usr/include/security/pam_appl.h"; then
      AC_MSG_RESULT([yes])
   else
      AC_MSG_WARN([pam_appl.h could not be found in /usr/include/security])
      AC_MSG_WARN([pam_appl.h could not be found in /usr/include/security]) >> warn
   fi
fi
dnl ***************************************
dnl Testing for c++ compiler and version...
dnl ***************************************

AC_PROG_CXX
if test "$_os" = "Linux"; then
   dnl Check whether the gnu gcc compiler is used.
   if test "$CC" = "gcc"; then
      AC_MSG_CHECKING([g++ Compiler])
      dnl Check whether the wrapper g++ exists.
      if test -z "$GXX"; then
         AC_MSG_WARN([GNU g++/c++ was not found])
         AC_MSG_WARN([GNU g++/c++ was not found]) >> warn
      else
         AC_MSG_RESULT([checked]) 
      fi
   fi
fi
if test "$_os" = "SunOS"; then
   CXX=CC; export CXX;
   dnl Workshop C++ compiler packaged with Workshop C compiler
   if test "$CC" = "cc"; then
   AC_MSG_CHECKING([Sun Workshop C++ Compiler])
      if test "$CXX" != "CC"; then
         AC_MSG_WARN([Sun Workshop C++ was not found])
         AC_MSG_WARN([Sun Worlshop C++ was not found]) >> warn
      else
         AC_MSG_RESULT([checked]) 
      fi
   fi 
fi
if test "$_os" = "Darwin"; then
   CXX=c++; export CXX;
   dnl c++ packaged with cc (gcc) for Macosx
   if test "$CC" = "cc"; then
      AC_MSG_CHECKING([Macosx c++ Compiler])
      if test "$CXX" != "c++"; then
         AC_MSG_WARN([Macosx C++ was not found])
         AC_MSG_WARN([Macosx C++ was not found]) >> warn
      else
         AC_MSG_RESULT([checked]) 
      fi
   fi 
fi 

dnl **************************************************************
dnl Testing for required  Solaris and workshop compiler patches...
dnl **************************************************************
dnl Check whether the OS is SunOS.
if test "$_os" = "SunOS"; then
   _temp=`showrev -p | $AWK -F" " '{ print $2 }'` 
   if test "$_os_release" = "7"; then
      dnl ***************
      dnl patch 106327-06
      dnl ***************
      AC_MSG_CHECKING([for patch 106327-06 or greater])
      _patch=`echo $_temp | $AWK '/106327-06/ { print "found" }'`
      _patch="false"
      for i in $_temp
      do
         _patch_major=`echo $i | $AWK -F"-" '{ print $1 }'`
         if test "$_patch_major" = "106327"; then
            _patch_rev=`echo $i | $AWK -F"-" '{ print $2 }'`
            if test "$_patch_rev" -ge "6"; then
               _patch="found"
            fi
        fi
      done
      if test "$_patch" = "found"; then
         AC_MSG_RESULT([found])
      else
         AC_MSG_WARN([patch 106327-06 not found, please install compiler patch 106327-06 or greater])
         AC_MSG_WARN([patch 106327-06 not found, please install compiler patch 106327-06 or greater]) >> warn
      fi
      dnl ***************
      dnl patch 106590-11
      dnl ***************
      AC_MSG_CHECKING([for patch 106590-11 or greater])
      _patch=`echo $_temp | $AWK '/106590-11/ { print "found" }'`
      _patch="false"
      for i in $_temp
      do
         _patch_major=`echo $i | $AWK -F"-" '{ print $1 }'`
         if test "$_patch_major" = "106590"; then
            _patch_rev=`echo $i | $AWK -F"-" '{ print $2 }'`
            if test "$_patch_rev" -ge "11"; then
               _patch="found"
            fi
         fi
      done
      if test "$_patch" = "found"; then
         AC_MSG_RESULT([found])
      else
         AC_MSG_WARN([patch 106590-11 not found, please install linker patch 106590-11 or greater])
         AC_MSG_WARN([patch 106590-11 not found, please install linker patch 106590-11 or greater]) >> warn
      fi
   else
      if test "$_os_release" = "6"; then
         dnl ***************
         dnl patch 105591-09
         dnl ***************
         AC_MSG_CHECKING([for patch 105591-09 or greater])
         _patch=`echo $_temp | $AWK '/105591-09/ { print "found" }'`
         _patch="false"
         for i in $_temp
         do
            _patch_major=`echo $i | $AWK -F"-" '{ print $1 }'`
            if test "$_patch_major" = "105591"; then
               _patch_rev=`echo $i | $AWK -F"-" '{ print $2 }'`
               if test "$_patch_rev" -ge "9"; then
                  _patch="found"
               fi
           fi
         done
         if test "$_patch" = "found"; then
            AC_MSG_RESULT([found])
         else
            AC_MSG_WARN([patch 105591-09 not found, please install compiler patch 105591-09 or greater])
            AC_MSG_WARN([patch 105591-09 not found, please install compiler patch 105591-09 or greater]) >> warn
         fi
         dnl ***************
         dnl patch 107733-08
         dnl ***************
         AC_MSG_CHECKING([for patch 107733-08 or greater])
         _patch=`echo $_temp | $AWK '/107733-08/ { print "found" }'`
         _patch="false"
         for i in $_temp
         do
            _patch_major=`echo $i | $AWK -F"-" '{ print $1 }'`
            if test "$_patch_major" = "107733"; then
               _patch_rev=`echo $i | $AWK -F"-" '{ print $2 }'`
               if test "$_patch_rev" -ge "8"; then
                  _patch="found"
               fi
           fi
         done
         if test "$_patch" = "found"; then
            AC_MSG_RESULT([found])
         else
            AC_MSG_WARN([patch 107733-06 not found, please install linker patch 107733-08 or greater])
            AC_MSG_WARN([patch 107733-06 not found, please install linker patch 107733-08 or greater]) >> warn
         fi
      fi
   fi
fi
dnl ===================================================================
dnl Checks for JDK.
dnl ===================================================================
JAVA_HOME=; export JAVA_HOME
if test -z "$with_jdk_home"; then
   AC_PATH_PROG(JAVA, java)
else
   _java_path="$with_jdk_home/bin/java"
   dnl Check if there is a java compiler at all.
   if test -x "$_java_path"; then
      JAVA=$_java_path
   fi
fi
AC_MSG_CHECKING([the installed JDK])
if test "$JAVA"; then
   _correct_jdk_exists="false"
   dnl java -version sends output to stderr!
   _jdk=`$JAVA -version 2>&1 | $AWK -F'"' '{ print \$2 }'`
   if test "$_os" = "SunOS"; then
      _jdk_middle=`echo $_jdk | $AWK -F. '{ if ($2 != 2) print "false"; else print "true" }'`
   fi
   if test "$_os" = "Linux" -a "$_machine_type" = "i686"; then
      _jdk_middle=`echo $_jdk | $AWK -F. '{ if ($2 != 2) print "false"; else print "true" }'`
   fi
   if test "$_os" = "Linux" -a "$_machine_type" = "sparc"; then
      _jdk_middle=`echo $_jdk | $AWK -F. '{ if ($2 != 2) print "false"; else print "true" }'`
   fi
   if test "$_os" = "Linux" -a "$_machine_type" = "ppc"; then
      _jdk_middle=`echo $_jdk | $AWK -F. '{ if ($2 != 2) print "false"; else print "true" }'`
   fi
   if test "$_os" = "WINNT"; then
      _jdk_middle=`echo $_jdk | $AWK -F. '{ if ($2 != 2) print "false"; else print "true" }'`
   fi
   if test "$_os" = "Darwin"; then
      _jdk_middle=`echo $_jdk | $AWK -F. '{ if ($2 != 2) print "false"; else print "true" }'`
   fi
   if test "$_jdk_middle" = "true"; then
      if test "$_os" = "SunOS"; then
         _jdk_minor=`echo $_jdk | $AWK -F. '{ if ($3 != 2) print "false"; else print "true" }'`
      fi
      if test "$_os" = "Linux"; then
         if test "$_machine_type" = "i686"; then
            _jdk_minor=`echo $_jdk | $AWK -F. '{ if ($3 != 2) print "false"; else print "true" }'`
         fi
         if test "$_machine_type" = "sparc"; then
            _jdk_minor=`echo $_jdk | $AWK -F. '{ if ($3 != 2) print "false"; else print "true" }'`
         fi 
         if test "$_machine_type" = "ppc"; then
            _jdk_minor=`echo $_jdk | $AWK -F. '{ if ($3 != 2) print "false"; else print "true" }'`
         fi 
      fi
      if test "$_os" = "WINNT"; then
            _jdk_minor=`echo $_jdk | $AWK -F. '{ if ($3 != 2) print "false"; else print "true" }'`
      fi
      if test "$_os" = "Darwin"; then
            _jdk_minor=`echo $_jdk | $AWK -F. '{ if ($3 != 2) print "false"; else print "true" }'`
      fi
   fi
   if test "$_jdk_minor" = "true"; then
      _correct_jdk_exists="true"
      JAVA_HOME=`echo $JAVA | $SED -n "s/\/bin\/java//p"`
      AC_MSG_RESULT([checked (JDK $_jdk)])
   else
      _correct_jdk_exists="false"
   fi
else
   _correct_jdk_exists="false"
fi
if test "$_correct_jdk_exists" = "false"; then
   JAVA_HOME="NO_JAVA_HOME"
   AC_MSG_WARN([Correct jdk not found])
   AC_MSG_WARN([Correct jdk not found]) >> warn
fi
dnl ===================================================================
dnl Checks for specific files.
dnl ===================================================================
dnl AC_CHECK_FILE(set_soenv.1)
dnl ===================================================================
dnl Checks for programs.
dnl ===================================================================
dnl Check whether there's a C pre-processor.
if test "$_os" = "Linux"; then
   AC_PROG_CPP
fi
dnl Check whether there's a C++ pre-processor.
if test "$_os" = "Linux"; then
   AC_PROG_CXXCPP
fi
dnl Check for a BSD compatible install program.
dnl AC_PROG_INSTALL
dnl Check whether ln -s works on the current file system.
dnl AC_PROG_LN_S
dnl Check whether there's a Perl version available.
if test -z "$with_perl_home"; then
   AC_PATH_PROG(PERL, perl)
else
   _perl_path="$with_perl_home/bin/perl"
   if test -x "$_perl_path"; then
      PERL=$_perl_path
   fi
fi
if test "$PERL"; then
   AC_MSG_CHECKING([the Perl version])
   dnl ***************************************
   dnl Testing Perl version.
   dnl ***************************************
   _perl_temp=`$PERL -version 2> /dev/null | $AWK -F" " '/built for/ { print $4 }'`
   if test "$_perl_temp" = "version"; then
      _perl_version=`$PERL -version 2> /dev/null | $AWK -F" " '/built for/ { print $5 }'`
   else
      _perl_version=`echo $_perl_temp | $SED -n "s/v//p"`
   fi
   _perl_major=`echo $_perl_version | $AWK -F"." '{ if ($1 < 5) print "false"; else print "true" }'`
   if test "$_perl_major" = "true"; then
      PERL=`echo $PERL | $SED -n "s/\/perl$//p"`
      AC_MSG_RESULT([checked (Perl $_perl_version)])
   else
      AC_MSG_ERROR([found Perl version "$_perl_version", use version 5 of Perl])
   fi 
else
   AC_MSG_ERROR([Perl not found, install version 5 of Perl])
fi

dnl Write the Perl compiler directive into the set_soenv script.
echo "#!$PERL/perl -w" > set_soenv
cat set_soenv.1 >> set_soenv
chmod +x set_soenv

dnl Check whether the tcsh can be used.
if test "$_os" != "WINNT"; then
   AC_PATH_PROG(TCSH, tcsh)
   if test -z "$TCSH"; then
      AC_MSG_ERROR([tcsh not found in \$PATH])
      TCSH="NO_TCSH";
   else
      TCSH=`echo $TCSH | $SED -n "s/\/tcsh//p"`
   fi
else
   AC_MSG_WARN([Windows does not have tcsh])
   TCSH="NO_TCSH"
fi
dnl ===================================================================
dnl Checks for libraries.
dnl ===================================================================
dnl ***************************************
dnl testing for X libraries and includes...
dnl ***************************************
if test "$_os" != "WINNT" -a "$_os" != "Darwin"; then
   AC_PATH_XTRA
   dnl The variables $x_libraries and $x_includes are set.
   if test -z "$x_libraries"; then
      AC_MSG_ERROR([No X libraries found]) # Exit
   fi
   if test -z "$x_includes"; then
      AC_MSG_ERROR([No X includes found]) # Exit
   fi
   LDFLAGS=$X_LIBS
   AC_CHECK_LIB(X11, XOpenDisplay, , [AC_MSG_ERROR([X Development libraries not found])])
else
   x_includes="no_x_includes"
   x_libraries="no_x_libraries"
fi
dnl ***************************************
dnl testing libc version for Linux...
dnl ***************************************
if test "$_os" = "Linux"; then
   AC_CHECK_LIB(c, gnu_get_libc_version, HAVE_LIBC=yes; export HAVE_LIBC)
   AC_MSG_CHECKING([the installed libc is at least version 2.1.1])
   if test "$HAVE_LIBC"; then
      AC_MSG_RESULT([checked])
   else
      AC_MSG_ERROR([libc is less than version 2.1.1, upgrade libc])
   fi
fi
dnl ***************************************
dnl testing bison and flex exist
dnl ***************************************
AC_PATH_PROG(BISON, bison)
if test -z "$BISON"; then
   AC_MSG_WARN([no bison found in \$PATH, install bison]) >> warn
fi
AC_PATH_PROG(FLEX, flex)
if test -z "$FLEX"; then
   AC_MSG_WARN([no flex found in \$PATH, install flex]) >> warn
fi
dnl ***************************************
dnl testing bash tools path
dnl ***************************************
AC_PATH_PROG(CYGWIN, bash)
CYGWIN=`dirname $CYGWIN`

dnl ===================================================================
dnl Setting up the environment.
dnl ===================================================================
echo "********************************************************************"
echo "*                                                                  *"
echo "*   Setting up the build environment variables.                    *"
echo "*                                                                  *"
echo "********************************************************************"

# Get UPD number from ../solenv/inc/minor.mk
upd=`grep RSCVERSION= ../solenv/inc/minor.mk | $AWK -F"=" '{ print $2 }'` 

if test -z "$COMPATH"; then
   COMPATH="NO_COMPATH"
fi
if test -z "$_gcc_include_path"; then
   _gcc_include_path="NO_GCC_INCLUDE"
fi
if test -z "$_gxx_include_path"; then
   _gxx_include_path="NO_GXX_INCLUDE"
fi
if test -z "$JAVA_HOME"; then
   JAVA_HOME="NO_JAVA_HOME"
fi
if test -z "$TCSH"; then
   TCSH="NO_TCSH"
fi
if test -z "$PERL"; then
   PERL="NO_PERL"
fi
if test -z "$x_libraries"; then
   x_libraries="no_x_libraries"
fi
if test -z "$x_includes"; then
   x_includes="no_x_includes"
fi
if test -z "$with_local_solenv"; then
   _LOCAL_SOLENV="DEFAULT"
else
   _LOCAL_SOLENV=$with_local_solenv
fi
if test -z "$with_local_solver"; then
   _LOCAL_SOLVER="DEFAULT"
else
   _LOCAL_SOLVER=$with_local_solver
fi
if test -z "$CYGWIN"; then
   CYGWIN="NO_CYGWIN"
fi

# Substituting blank spaces in windows pathnames with '#'
if test "$_os" = "WINNT"; then
#   COMPATH=`echo $COMPATH | $SED "s/ /#/g"`
   JAVA_HOME=`echo $JAVA_HOME | $SED "s/ /#/g"`
   PERL=`echo $PERL | $SED "s/ /#/g"`
   _LOCAL_SOLENV=`echo $_LOCAL_SOLENV | $SED "s/ /#/g"`
   _LOCAL_SOLVER=`echo $_LOCAL_SOLVER | $SED "s/ /#/g"`
   CYGWIN=`echo $CYGWIN | $SED "s/ /#/g"`
fi

# Print args passed to set_soenv.
if test 1 = 1; then
echo
echo "\$COMPATH="$COMPATH
echo "\$_gcc_include_path="$_gcc_include_path
echo "\$_gxx_include_path="$_gxx_include_path
echo "\$JAVA_HOME="$JAVA_HOME
echo "\$TCSH="$TCSH
echo "\$PERL="$PERL
echo "\$x_libraries="$x_libraries
echo "\$x_includes="$x_includes
echo "\$_LOCAL_SOLENV="$_LOCAL_SOLENV
echo "\$_LOCAL_SOLVER="$_LOCAL_SOLVER
echo "\$upd="$upd
echo "\$CYGWIN="$CYGWIN
echo
fi

# Executing the set_soenv script to setup the environment variables.
if test -z "$enable_check_only"; then
   './set_soenv' $COMPATH $_gcc_include_path $_gxx_include_path $JAVA_HOME $TCSH $PERL $x_libraries $x_includes $_LOCAL_SOLENV $_LOCAL_SOLVER $upd $CYGWIN
else
   echo
   echo Test Complete
   echo No environment file will be generated
   echo
   num_warnings=`wc -l warn`
   _num=`echo $num_warnings | $AWK '{ print $1 }'`
   if test $_num -gt 0; then
      echo The following warning\(s\) were generated by configure
      echo ----------------------------------------------------
      echo
      cat warn
      echo
   else
      echo There were no warnings
   fi
   echo
fi   
AC_OUTPUT()