AC_INIT(Rappture Core and Bindings, 1.1, rappture@nanohub.org)

VERSION=0.0.1
AC_SUBST(VERSION)

#------------------------------------------------------------------------
# Handle the --prefix=... option
#------------------------------------------------------------------------

if test "${prefix}" = "NONE"; then
    prefix=/usr/local
fi
if test "${exec_prefix}" = "NONE"; then
    exec_prefix=$prefix
fi

if test "${libdir}" != "${prefix}/lib"; then
    LIB_SEARCH_DIRS="-L${prefix}/lib -L${libdir}"
else
    LIB_SEARCH_DIRS="-L${libdir}"
fi

AC_SUBST(LIB_SEARCH_DIRS)

AC_PROG_INSTALL
AC_PROG_MAKE_SET

dnl find and test the C compiler
AC_PROG_CC
AC_LANG_C

AC_HEADER_STDC
AC_CHECK_FUNC(atol,,AC_MSG_ERROR(oops! no atol ?!?))

AC_PROG_CXX
AC_LANG_CPLUSPLUS

AC_CHECK_LIB(stdc++, main,,AC_MSG_ERROR(librappture requires libstdc++))
AC_CHECK_HEADERS(stack,,AC_MSG_WARN(STL classes missing ?))
AC_CHECK_HEADERS(string,,AC_MSG_WARN(STL classes missing ?))
AC_CHECK_HEADERS(list,,AC_MSG_WARN(STL classes missing ?))
AC_CHECK_HEADERS(vector,,AC_MSG_WARN(STL classes missing ?))

AC_PROG_F77([g77 f77 fort77 f90 xlf xlf90 fl32])




AC_ARG_ENABLE(
    [gui],
    [AS_HELP_STRING([--enable-gui], [build code related to the graphical user interface @<:@default=yes@:>@])],
    [],
    [enable_gui=yes])

ENABLE_GUI=
if test "$enable_gui" != "no" ; then
    ENABLE_GUI="yes"
fi
AC_SUBST(ENABLE_GUI)

dnl AC_ARG_ENABLE(
dnl     [tcl],
dnl     [AS_HELP_STRING([--enable-tcl], [build tcl bindings @<:@default=check@:>@])],
dnl     [],
dnl     [enable_tcl=check])
dnl
dnl BUILD_TCL=yes
dnl AC_SUBST(BUILD_TCL)

AC_ARG_WITH(
    [tclsh],
    [AS_HELP_STRING([--with-tclsh[=DIR]],
        [location of tclsh @<:@default=check@:>@])],
    [],
    [with_tclsh=check])

TCLSH=
if test "$with_tclsh" != "no" ; then
    AC_MSG_CHECKING([for tclsh])
    if test -x "$with_tclsh/bin/tclsh"
    then
        echo Found tclsh in $with_tclsh/bin/tclsh
        TCLSH="$with_tclsh/bin/tclsh"
    else
        if test -x "$with_tclsh"
        then
            echo Found tclsh in $with_tclsh
            TCLSH="$with_tclsh"
        else
            AC_PATH_PROG(TCLSH, tclsh)
        fi
    fi
fi
AC_MSG_RESULT([${TCLSH}])
AC_SUBST(TCLSH)


dnl AC_ARG_ENABLE (
dnl     [matlab],
dnl     [AS_HELP_STRING([--enable-matlab], [build matlab bindings @<:@default=check@:>@])],
dnl     [],
dnl     [enable_matlab=check])
dnl BUILD_MATLAB=yes
dnl AC_SUBST(BUILD_MATLAB)

AC_ARG_WITH(
    [matlab],
    [AS_HELP_STRING([--with-matlab[=DIR]],
        [location of matlab and mex compiler @<:@default=check@:>@])],
    [],
    [with_matlab=check])

AC_ARG_WITH(
    [matlab_arch],
    [AS_HELP_STRING([--with-matlab-arch[=ARCH]],
        [build Matlab bindings for ARCH architecture @<:@default=check@:>@])],
    [],
    [with_matlab_arch=check])

AC_ARG_WITH(
    [mexext],
    [AS_HELP_STRING([--with-mexext[=ARCH]],
        [fallback extension for building mex files @<:@default=check@:>@])],
    [],
    [with_mexext=check])

MEX=
MEX_ARCH=
MEXEXT=
dnl if test "$enable_matlab" != "no" ; then
if test "$with_matlab" != "no" ; then
    AC_MSG_CHECKING([for matlab's mex])
    if test "$with_matlab" != "no" ; then
        dnl WITH_MATLAB = "yes"
        if test -x "$with_matlab/bin/mex"
        then
            dnl # echo Found mex in $with_matlab/bin/mex
            MEX="$with_matlab/bin/mex"
        else
            if test -x "$with_matlab"
            then
                dnl # echo Found mex in $with_matlab
                MEX="$with_matlab"
            else
                AC_PATH_PROG(MEX, mex)
            fi
        fi
        matlab_path=`dirname $MEX`/matlab
        if test -x "$matlab_path"
        then
            MEX=${MEX}
        else
            MEX=
        fi
        AC_MSG_RESULT([${MEX}])
        if test "$with_matlab_arch" = "check" ; then
            dnl still need to write the code to check the arch type
            with_matlab_arch=""
        fi
        if test "x$with_matlab_arch" != "x" ; then
            echo "using matlab architecture \"$with_matlab_arch\""
            MEX_ARCH="-arch=$with_matlab_arch"
        dnl else
            dnl # if $with_matlab_arch is blank, get the os name from uname
        fi
        if test "x$MEX" != "x" ; then 
            mexext_fxn=`dirname $MEX`/mexext
            if test -x "$mexext_fxn" ; then
                MEXEXT=`$mexext_fxn`
                if test "x${MEXEXT}" = "x" ; then
                    dnl not even mexext can figure out what extension to use....
                    dnl # we should be doing an os type check instead of default mexglx
                    dnl # use $with_matlab_arch
                    if test "$with_mexext" != "check" ; then
                        MEXEXT="mexglx"
                    fi
                fi
            else
                if test "$with_mexext" != "check" ; then
                    MEXEXT="mexglx"
                fi
            fi
            echo "Using mex file extension \"$MEXEXT\""
            AC_MSG_RESULT([${MEXEXT}])
        else
            dnl we shouldn't bother the user if we dont find matlab
            dnl just put out the message and don't compile matlab bindings
            echo "can't find the matlab compiler \"mex\""
            echo "use --with-matlab=DIR to specify the location of a matlab installation"
            dnl # exit 1
        fi
    fi
fi
AC_SUBST(MEX)
AC_SUBST(MEX_ARCH)
AC_SUBST(MEXEXT)


dnl AC_ARG_ENABLE(
dnl     [octave],
dnl     [AS_HELP_STRING([--enable-octave], [build octave bindings @<:@default=check@:>@])],
dnl     [],
dnl     [enable_octave=check])
dnl BUILD_OCTAVE=yes
dnl AC_SUBST(BUILD_OCTAVE)


AC_ARG_WITH(
    [octave],
    [AS_HELP_STRING([--with-octave[=DIR]],
        [location of octave compiler MKOCTFILE @<:@default=check@:>@])],
    [],
    [with_octave=check])

MKOCTFILE=
dnl if test "$enable_octave" != "no" ; then
if test "$with_octave" != "no" ; then
    AC_MSG_CHECKING([for mkoctfile])
    if test "$with_octave" != "no" ; then
        if test -x "$with_octave/bin/mkoctfile"
        then
            dnl echo Found octave in $with_octave/bin/mkoctfile
            MKOCTFILE="$with_octave/bin/mkoctfile"
        else
            if test -x "$with_octave"
            then
                echo Found mkoctfile in $with_octave
                MKOCTFILE="$with_octave"
            else
                AC_PATH_PROG(MKOCTFILE, mkoctfile)
                if test "x$MKOCTFILE" == "x" ; then
                    dnl we shouldn't bother the user if we dont find mkoctfile
                    dnl just put out the message and don't compile octave bindings
                    echo "can't find the matlab compiler \"mkoctfile\""
                    echo "use --with-octave=DIR to specify the location of a mkoctfile installation"
                    dnl # exit 1
                fi
            fi
        fi
    fi
    AC_MSG_RESULT([${MKOCTFILE}])
fi
AC_SUBST(MKOCTFILE)


dnl perl and python check borrowed from
dnl http://www.opensource.apple.com/darwinsource/Current/libxslt-8.1/libxslt/configure.in
dnl
dnl Perl is just needed for generating some data for XSLtmark
dnl

dnl AC_ARG_ENABLE(
dnl     [perl],
dnl     [AS_HELP_STRING([--enable-perl], [build perl bindings @<:@default=check@:>@])],
dnl     [],
dnl     [enable_perl=check])

dnl BUILD_PERL=yes
dnl AC_SUBST(BUILD_PERL)

AC_ARG_WITH(
    [perl],
    [AS_HELP_STRING([--with-perl[=DIR]], [location of perl @<:@default=check@:>@])],
    [],
    [with_perl=check])

PERL=
PERL_INCLUDES=
PERL_SITE_PACKAGES=
if test "$with_perl" != "no" ; then
    AC_MSG_CHECKING([for perl])
    if test -x "$with_perl/bin/perl"
    then
        echo Found perl in $with_perl/bin/perl
        PERL="$with_perl/bin/perl"
    else
        if test -x "$with_perl"
        then
            echo Found perl in $with_perl
            PERL="$with_perl"
        else
            AC_PATH_PROG(PERL, perl)
        fi
    fi
    PERL_SITE_PACKAGES='$(libdir)/perl5'
fi
AC_MSG_RESULT([${PERL}])
AC_SUBST(PERL)
AC_SUBST(PERL_INCLUDES)
AC_SUBST(PERL_SITE_PACKAGES)

dnl
dnl check for python
dnl

dnl AC_ARG_ENABLE(
dnl     [python],
dnl     [AS_HELP_STRING([--enable-pyton], [build python bindings @<:@default=check@:>@])],
dnl     [],
dnl     [enable_python=check])
dnl 
dnl BUILD_PYTHON=yes
dnl AC_SUBST(BUILD_PYTHON)

PYTHON=
PYTHON_VERSION=
PYTHON_INCLUDES=
PYTHON_SITE_PACKAGES=
pythondir=
AC_ARG_WITH(
    [python],
    [AS_HELP_STRING([--with-python[=DIR]],[location of python @<:@default=check@:>@])],
    [],
    [with_python=check])

if test "$with_python" != "no" ; then
    AC_MSG_CHECKING([for python])
    if test -x "$with_python/bin/python"
    then
        echo Found python in $with_python/bin/python
        PYTHON="$with_python/bin/python"
    else
        if test -x "$with_python"
        then
            echo Found python in $with_python
            PYTHON="$with_python"
        else
            AC_PATH_PROG(PYTHON, python python2.5 python2.4 python2.3 python2.2 python2.1 python2.0 python1.6 python1.5)
        fi
    fi
    if test "$PYTHON" != ""
    then
        PYTHON_VERSION=`$PYTHON -c "import sys; print sys.version[[0:3]]"`
        echo Using python version $PYTHON_VERSION
    fi
    if test "$PYTHON_VERSION" != ""
    then
    if test -r $with_python/include/python$PYTHON_VERSION/Python.h -a \
       -d $with_python/lib/python$PYTHON_VERSION/site-packages
    then
        PYTHON_INCLUDES=$with_python/include/python$PYTHON_VERSION
        PYTHON_SITE_PACKAGES=$with_python/lib/python$PYTHON_VERSION/site-packages
    else
        if test -r $prefix/include/python$PYTHON_VERSION/Python.h
        then
            PYTHON_INCLUDES='$(prefix)/include/python$(PYTHON_VERSION)'
            PYTHON_SITE_PACKAGES='$(libdir)/python$(PYTHON_VERSION)/site-packages'
        else
            if test -r /usr/include/python$PYTHON_VERSION/Python.h
            then
                PYTHON_INCLUDES=/usr/include/python$PYTHON_VERSION
                PYTHON_SITE_PACKAGES='$(libdir)/python$(PYTHON_VERSION)/site-packages'
            else
                echo could not find python$PYTHON_VERSION/Python.h
            fi
        fi
        if test ! -d "$PYTHON_SITE_PACKAGES"
        then
            PYTHON_SITE_PACKAGES=`$PYTHON -c "from distutils import sysconfig; print sysconfig.get_python_lib()"`
        fi
    fi
    fi
    if test "$with_python" != ""
    then
        pythondir='$(PYTHON_SITE_PACKAGES)'
    else
        pythondir='$(libdir)/python${PYTHON_VERSION}/site-packages'
    fi
fi

AC_SUBST(pythondir)
dnl AC_SUBST(PYTHON_SUBDIR)

AC_SUBST(PYTHON)
AC_SUBST(PYTHON_VERSION)
AC_SUBST(PYTHON_INCLUDES)
AC_SUBST(PYTHON_SITE_PACKAGES)


RP_BASE=`pwd`
AC_SUBST(RP_BASE)

if test "$ENABLE_GUI" == "yes" ; then
    AC_CONFIG_SUBDIRS( gui )
fi

if test "$TCLSH" != "" ; then
    AC_CONFIG_SUBDIRS( src/tcl )
fi

ls
AC_CONFIG_SUBDIRS( [optimizer/src] )

dnl read Makefile.in and write Makefile
AC_OUTPUT(  Makefile \
            examples/demo.bash
            examples/app-fermi/cee/Makefile \
            examples/app-fermi/fortran/Makefile \
            examples/app-fermi/wrapper/cee/Makefile \
            examples/c-example/Makefile \
	    optimizer/src/Makefile \
            perl/Makefile.PL \
            python/setup.py \
            src/Makefile \
            src/matlab/Makefile \
            src/octave/Makefile \
            src2/core/Makefile \
            test/Makefile \
            gui/apps/simsim \
            gui/apps/rappture \
            gui/apps/rappture.env   )