AC_DEFUN([LX_CHECK_CBC],

[

  AC_ARG_WITH([cbc],

AS_HELP_STRING([--with-cbc@<:@=PREFIX@:>@], [search for CBC under PREFIX or under the default search paths if PREFIX is not given @<:@default@:>@])

AS_HELP_STRING([--without-cbc], [disable checking for CBC]),

              [], [with_cbc=yes])

  AC_ARG_WITH([cbc-includedir],

AS_HELP_STRING([--with-cbc-includedir=DIR], [search for CBC headers in DIR]),

              [], [with_cbc_includedir=no])

  AC_ARG_WITH([cbc-libdir],

AS_HELP_STRING([--with-cbc-libdir=DIR], [search for CBC libraries in DIR]),

              [], [with_cbc_libdir=no])

  lx_cbc_found=no

  if test x"$with_cbc" != x"no"; then

    AC_MSG_CHECKING([for CBC])

    if test x"$with_cbc_includedir" != x"no"; then

      CBC_CXXFLAGS="-I$with_cbc_includedir"

    elif test x"$with_cbc" != x"yes"; then

      CBC_CXXFLAGS="-I$with_cbc/include"

    fi

    if test x"$with_cbc_libdir" != x"no"; then

      CBC_LDFLAGS="-L$with_cbc_libdir"

    elif test x"$with_cbc" != x"yes"; then

      CBC_LDFLAGS="-L$with_cbc/lib"

    fi

    CBC_LIBS="-lOsi -lCbc -lOsiCbc -lCbcSolver -lClp -lOsiClp -lCoinUtils -lVol -lOsiVol -lCgl -lm -llapack -lblas"

    lx_save_cxxflags="$CXXFLAGS"

    lx_save_ldflags="$LDFLAGS"

    lx_save_libs="$LIBS"

    CXXFLAGS="$CBC_CXXFLAGS"

    LDFLAGS="$CBC_LDFLAGS"

    LIBS="$CBC_LIBS"

    lx_cbc_test_prog='

      #include <coin/CbcModel.hpp>

      int main(int argc, char** argv)

      {

        CbcModel cbc;

        return 0;

      }'

    AC_LANG_PUSH(C++)

    AC_LINK_IFELSE([$lx_cbc_test_prog], [lx_cbc_found=yes], [lx_cbc_found=no])

    AC_LANG_POP(C++)

    CXXFLAGS="$lx_save_cxxflags"

    LDFLAGS="$lx_save_ldflags"

    LIBS="$lx_save_libs"

    if test x"$lx_cbc_found" = x"yes"; then

      AC_DEFINE([HAVE_CBC], [1], [Define to 1 if you have CBC.])

      lx_lp_found=yes

      AC_DEFINE([HAVE_LP], [1], [Define to 1 if you have any LP solver.])

      AC_MSG_RESULT([yes])

    else

      CBC_CXXFLAGS=""

      CBC_LDFLAGS=""

      CBC_LIBS=""

      AC_MSG_RESULT([no])

    fi

  fi

  CBC_LIBS="$CBC_LDFLAGS $CBC_LIBS"

  AC_SUBST(CBC_CXXFLAGS)

  AC_SUBST(CBC_LIBS)

  AM_CONDITIONAL([HAVE_CBC], [test x"$lx_cbc_found" = x"yes"])

])