diff --git a/configure b/configure
index 686b86c9e..4b393546b 100755
--- a/configure
+++ b/configure
@@ -309,7 +309,7 @@ ac_includes_default="\
 # include <unistd.h>
 #endif"
 
-ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS BITCOMPILE BITHARDWARE BITCHANGE ldemulationarg CVF_LIBDIR USE_CLIB_DLL local_inst local_python_inst python_prefix python_win_prefix ctversion homedir ct_libdir ct_bindir ct_incdir ct_incroot ct_datadir ct_demodir ct_templdir ct_tutdir ct_docdir ct_dir ct_mandir COMPACT_INSTALL build build_cpu build_vendor build_os host host_cpu host_vendor host_os target target_cpu target_vendor target_os username ctroot buildinc buildlib buildbin MAKE GRAPHVIZDIR ARCHIVE DO_RANLIB RANLIB USERDIR INCL_USER_CODE CC CFLAGS LDFLAGS CPPFLAGS ac_ct_CC EXEEXT OBJEXT use_sundials CVODE_LIBS IDA_LIBS sundials_include CANTERA_DEBUG_MODE phase_object_files phase_header_files COMPILE_IDEAL_SOLUTIONS COMPILE_ELECTROLYTES NEED_CATHERMO WITH_REACTORS KERNEL KERNEL_OBJ BUILD_CK LIB_DIR build_lapack build_blas BLAS_LAPACK_LIBS BLAS_LAPACK_DIR build_with_f2c build_f2c_lib LOCAL_LIB_DIRS LOCAL_LIBS CT_SHARED_LIB PYTHON_CMD BUILD_PYTHON NUMARRAY_INC_DIR NUMARRAY_HOME CANTERA_PYTHON_HOME CVSTAG MATLAB_CMD BUILD_MATLAB BUILD_CLIB export_name INSTALL_PROGRAM INSTALL_SCRIPT INSTALL_DATA CXX CXXFLAGS ac_ct_CXX CPP EGREP SOEXT SHARED PIC CXX_INCLUDES LCXX_FLAGS LCXX_END_LIBS HAVE_STRIPSYMBOLS F77 FFLAGS ac_ct_F77 FLIBS F90 BUILD_F90 F90FLAGS F90BUILDFLAGS precompile_headers CXX_DEPENDS OS_IS_DARWIN OS_IS_WIN OS_IS_CYGWIN SHARED_CTLIB mex_ext F77_EXT CXX_EXT OBJ_EXT EXE_EXT math_libs SO LDSHARED EXTRA_LINK TSCOMPARE_abs INSTALL_abs INSTALL_VERBOSE LIBOBJS LTLIBOBJS'
+ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS BITCOMPILE BITHARDWARE BITCHANGE ldemulationarg CVF_LIBDIR USE_CLIB_DLL local_inst local_python_inst python_prefix python_win_prefix ctversion homedir ct_libdir ct_bindir ct_incdir ct_incroot ct_datadir ct_demodir ct_templdir ct_tutdir ct_docdir ct_dir ct_mandir COMPACT_INSTALL build build_cpu build_vendor build_os host host_cpu host_vendor host_os target target_cpu target_vendor target_os username ctroot buildinc buildlib buildbin MAKE GRAPHVIZDIR ARCHIVE DO_RANLIB RANLIB USERDIR INCL_USER_CODE CXX CXXFLAGS LDFLAGS CPPFLAGS ac_ct_CXX EXEEXT OBJEXT use_sundials CVODE_LIBS IDA_LIBS sundials_include CANTERA_DEBUG_MODE phase_object_files phase_header_files COMPILE_IDEAL_SOLUTIONS COMPILE_ELECTROLYTES NEED_CATHERMO WITH_REACTORS KERNEL KERNEL_OBJ BUILD_CK LIB_DIR build_lapack build_blas BLAS_LAPACK_LIBS BLAS_LAPACK_DIR build_with_f2c build_f2c_lib LOCAL_LIB_DIRS LOCAL_LIBS CT_SHARED_LIB PYTHON_CMD BUILD_PYTHON NUMARRAY_INC_DIR NUMARRAY_HOME CANTERA_PYTHON_HOME CVSTAG MATLAB_CMD BUILD_MATLAB BUILD_CLIB export_name INSTALL_PROGRAM INSTALL_SCRIPT INSTALL_DATA CC CFLAGS ac_ct_CC CXXCPP EGREP SOEXT SHARED PIC CXX_INCLUDES LCXX_FLAGS LCXX_END_LIBS HAVE_STRIPSYMBOLS F77 FFLAGS ac_ct_F77 F90 BUILD_F90 F90FLAGS F90BUILDFLAGS precompile_headers CXX_DEPENDS FLIBS OS_IS_DARWIN OS_IS_WIN OS_IS_CYGWIN SHARED_CTLIB mex_ext F77_EXT CXX_EXT OBJ_EXT EXE_EXT math_libs SO LDSHARED EXTRA_LINK TSCOMPARE_abs INSTALL_abs INSTALL_VERBOSE LIBOBJS LTLIBOBJS'
 ac_subst_files=''
 
 # Initialize some variables set by options.
@@ -750,22 +750,6 @@ ac_env_target_alias_set=${target_alias+set}
 ac_env_target_alias_value=$target_alias
 ac_cv_env_target_alias_set=${target_alias+set}
 ac_cv_env_target_alias_value=$target_alias
-ac_env_CC_set=${CC+set}
-ac_env_CC_value=$CC
-ac_cv_env_CC_set=${CC+set}
-ac_cv_env_CC_value=$CC
-ac_env_CFLAGS_set=${CFLAGS+set}
-ac_env_CFLAGS_value=$CFLAGS
-ac_cv_env_CFLAGS_set=${CFLAGS+set}
-ac_cv_env_CFLAGS_value=$CFLAGS
-ac_env_LDFLAGS_set=${LDFLAGS+set}
-ac_env_LDFLAGS_value=$LDFLAGS
-ac_cv_env_LDFLAGS_set=${LDFLAGS+set}
-ac_cv_env_LDFLAGS_value=$LDFLAGS
-ac_env_CPPFLAGS_set=${CPPFLAGS+set}
-ac_env_CPPFLAGS_value=$CPPFLAGS
-ac_cv_env_CPPFLAGS_set=${CPPFLAGS+set}
-ac_cv_env_CPPFLAGS_value=$CPPFLAGS
 ac_env_CXX_set=${CXX+set}
 ac_env_CXX_value=$CXX
 ac_cv_env_CXX_set=${CXX+set}
@@ -774,10 +758,26 @@ ac_env_CXXFLAGS_set=${CXXFLAGS+set}
 ac_env_CXXFLAGS_value=$CXXFLAGS
 ac_cv_env_CXXFLAGS_set=${CXXFLAGS+set}
 ac_cv_env_CXXFLAGS_value=$CXXFLAGS
-ac_env_CPP_set=${CPP+set}
-ac_env_CPP_value=$CPP
-ac_cv_env_CPP_set=${CPP+set}
-ac_cv_env_CPP_value=$CPP
+ac_env_LDFLAGS_set=${LDFLAGS+set}
+ac_env_LDFLAGS_value=$LDFLAGS
+ac_cv_env_LDFLAGS_set=${LDFLAGS+set}
+ac_cv_env_LDFLAGS_value=$LDFLAGS
+ac_env_CPPFLAGS_set=${CPPFLAGS+set}
+ac_env_CPPFLAGS_value=$CPPFLAGS
+ac_cv_env_CPPFLAGS_set=${CPPFLAGS+set}
+ac_cv_env_CPPFLAGS_value=$CPPFLAGS
+ac_env_CC_set=${CC+set}
+ac_env_CC_value=$CC
+ac_cv_env_CC_set=${CC+set}
+ac_cv_env_CC_value=$CC
+ac_env_CFLAGS_set=${CFLAGS+set}
+ac_env_CFLAGS_value=$CFLAGS
+ac_cv_env_CFLAGS_set=${CFLAGS+set}
+ac_cv_env_CFLAGS_value=$CFLAGS
+ac_env_CXXCPP_set=${CXXCPP+set}
+ac_env_CXXCPP_value=$CXXCPP
+ac_cv_env_CXXCPP_set=${CXXCPP+set}
+ac_cv_env_CXXCPP_value=$CXXCPP
 ac_env_F77_set=${F77+set}
 ac_env_F77_value=$F77
 ac_cv_env_F77_set=${F77+set}
@@ -859,15 +859,15 @@ if test -n "$ac_init_help"; then
   cat <<\_ACEOF
 
 Some influential environment variables:
-  CC          C compiler command
-  CFLAGS      C compiler flags
+  CXX         C++ compiler command
+  CXXFLAGS    C++ compiler flags
   LDFLAGS     linker flags, e.g. -L<lib dir> if you have libraries in a
               nonstandard directory <lib dir>
   CPPFLAGS    C/C++ preprocessor flags, e.g. -I<include dir> if you have
               headers in a nonstandard directory <include dir>
-  CXX         C++ compiler command
-  CXXFLAGS    C++ compiler flags
-  CPP         C preprocessor
+  CC          C compiler command
+  CFLAGS      C compiler flags
+  CXXCPP      C++ preprocessor
   F77         Fortran 77 compiler command
   FFLAGS      Fortran 77 compiler flags
 
@@ -1716,6 +1716,13 @@ if test -n "$USER_SRC_DIR"; then USERDIR=$USER_SRC_DIR; INCL_USER_CODE=1; fi
 
 
 
+ac_ext=cc
+ac_cpp='$CXXCPP $CPPFLAGS'
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+
+
 use_sundials=0
 sundials_inc=
 CVODE_LIBS='-lcvode'
@@ -1724,240 +1731,24 @@ IDA_LIBS=''
 if test "$USE_SUNDIALS" = "default"; then
 ldsave=$LDFLAGS
 LDFLAGS='-L'$SUNDIALS_HOME/lib' '$ldsave
-fi
 
-ac_ext=c
-ac_cpp='$CPP $CPPFLAGS'
-ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-ac_compiler_gnu=$ac_cv_c_compiler_gnu
+ac_ext=cc
+ac_cpp='$CXXCPP $CPPFLAGS'
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 if test -n "$ac_tool_prefix"; then
-  # Extract the first word of "${ac_tool_prefix}gcc", so it can be a program name with args.
-set dummy ${ac_tool_prefix}gcc; ac_word=$2
-echo "$as_me:$LINENO: checking for $ac_word" >&5
-echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
-if test "${ac_cv_prog_CC+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  if test -n "$CC"; then
-  ac_cv_prog_CC="$CC" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
-  if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-    ac_cv_prog_CC="${ac_tool_prefix}gcc"
-    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-done
-
-fi
-fi
-CC=$ac_cv_prog_CC
-if test -n "$CC"; then
-  echo "$as_me:$LINENO: result: $CC" >&5
-echo "${ECHO_T}$CC" >&6
-else
-  echo "$as_me:$LINENO: result: no" >&5
-echo "${ECHO_T}no" >&6
-fi
-
-fi
-if test -z "$ac_cv_prog_CC"; then
-  ac_ct_CC=$CC
-  # Extract the first word of "gcc", so it can be a program name with args.
-set dummy gcc; ac_word=$2
-echo "$as_me:$LINENO: checking for $ac_word" >&5
-echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
-if test "${ac_cv_prog_ac_ct_CC+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  if test -n "$ac_ct_CC"; then
-  ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
-  if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-    ac_cv_prog_ac_ct_CC="gcc"
-    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-done
-
-fi
-fi
-ac_ct_CC=$ac_cv_prog_ac_ct_CC
-if test -n "$ac_ct_CC"; then
-  echo "$as_me:$LINENO: result: $ac_ct_CC" >&5
-echo "${ECHO_T}$ac_ct_CC" >&6
-else
-  echo "$as_me:$LINENO: result: no" >&5
-echo "${ECHO_T}no" >&6
-fi
-
-  CC=$ac_ct_CC
-else
-  CC="$ac_cv_prog_CC"
-fi
-
-if test -z "$CC"; then
-  if test -n "$ac_tool_prefix"; then
-  # Extract the first word of "${ac_tool_prefix}cc", so it can be a program name with args.
-set dummy ${ac_tool_prefix}cc; ac_word=$2
-echo "$as_me:$LINENO: checking for $ac_word" >&5
-echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
-if test "${ac_cv_prog_CC+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  if test -n "$CC"; then
-  ac_cv_prog_CC="$CC" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
-  if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-    ac_cv_prog_CC="${ac_tool_prefix}cc"
-    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-done
-
-fi
-fi
-CC=$ac_cv_prog_CC
-if test -n "$CC"; then
-  echo "$as_me:$LINENO: result: $CC" >&5
-echo "${ECHO_T}$CC" >&6
-else
-  echo "$as_me:$LINENO: result: no" >&5
-echo "${ECHO_T}no" >&6
-fi
-
-fi
-if test -z "$ac_cv_prog_CC"; then
-  ac_ct_CC=$CC
-  # Extract the first word of "cc", so it can be a program name with args.
-set dummy cc; ac_word=$2
-echo "$as_me:$LINENO: checking for $ac_word" >&5
-echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
-if test "${ac_cv_prog_ac_ct_CC+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  if test -n "$ac_ct_CC"; then
-  ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
-  if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-    ac_cv_prog_ac_ct_CC="cc"
-    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-done
-
-fi
-fi
-ac_ct_CC=$ac_cv_prog_ac_ct_CC
-if test -n "$ac_ct_CC"; then
-  echo "$as_me:$LINENO: result: $ac_ct_CC" >&5
-echo "${ECHO_T}$ac_ct_CC" >&6
-else
-  echo "$as_me:$LINENO: result: no" >&5
-echo "${ECHO_T}no" >&6
-fi
-
-  CC=$ac_ct_CC
-else
-  CC="$ac_cv_prog_CC"
-fi
-
-fi
-if test -z "$CC"; then
-  # Extract the first word of "cc", so it can be a program name with args.
-set dummy cc; ac_word=$2
-echo "$as_me:$LINENO: checking for $ac_word" >&5
-echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
-if test "${ac_cv_prog_CC+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  if test -n "$CC"; then
-  ac_cv_prog_CC="$CC" # Let the user override the test.
-else
-  ac_prog_rejected=no
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
-  if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-    if test "$as_dir/$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then
-       ac_prog_rejected=yes
-       continue
-     fi
-    ac_cv_prog_CC="cc"
-    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-done
-
-if test $ac_prog_rejected = yes; then
-  # We found a bogon in the path, so make sure we never use it.
-  set dummy $ac_cv_prog_CC
-  shift
-  if test $# != 0; then
-    # We chose a different compiler from the bogus one.
-    # However, it has the same basename, so the bogon will be chosen
-    # first if we set CC to just the basename; use the full file name.
-    shift
-    ac_cv_prog_CC="$as_dir/$ac_word${1+' '}$@"
-  fi
-fi
-fi
-fi
-CC=$ac_cv_prog_CC
-if test -n "$CC"; then
-  echo "$as_me:$LINENO: result: $CC" >&5
-echo "${ECHO_T}$CC" >&6
-else
-  echo "$as_me:$LINENO: result: no" >&5
-echo "${ECHO_T}no" >&6
-fi
-
-fi
-if test -z "$CC"; then
-  if test -n "$ac_tool_prefix"; then
-  for ac_prog in cl
+  for ac_prog in $CCC g++ c++ gpp aCC CC cxx cc++ cl FCC KCC RCC xlC_r xlC
   do
     # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
 set dummy $ac_tool_prefix$ac_prog; ac_word=$2
 echo "$as_me:$LINENO: checking for $ac_word" >&5
 echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
-if test "${ac_cv_prog_CC+set}" = set; then
+if test "${ac_cv_prog_CXX+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-  if test -n "$CC"; then
-  ac_cv_prog_CC="$CC" # Let the user override the test.
+  if test -n "$CXX"; then
+  ac_cv_prog_CXX="$CXX" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
@@ -1966,7 +1757,7 @@ do
   test -z "$as_dir" && as_dir=.
   for ac_exec_ext in '' $ac_executable_extensions; do
   if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-    ac_cv_prog_CC="$ac_tool_prefix$ac_prog"
+    ac_cv_prog_CXX="$ac_tool_prefix$ac_prog"
     echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
@@ -1975,31 +1766,31 @@ done
 
 fi
 fi
-CC=$ac_cv_prog_CC
-if test -n "$CC"; then
-  echo "$as_me:$LINENO: result: $CC" >&5
-echo "${ECHO_T}$CC" >&6
+CXX=$ac_cv_prog_CXX
+if test -n "$CXX"; then
+  echo "$as_me:$LINENO: result: $CXX" >&5
+echo "${ECHO_T}$CXX" >&6
 else
   echo "$as_me:$LINENO: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 
-    test -n "$CC" && break
+    test -n "$CXX" && break
   done
 fi
-if test -z "$CC"; then
-  ac_ct_CC=$CC
-  for ac_prog in cl
+if test -z "$CXX"; then
+  ac_ct_CXX=$CXX
+  for ac_prog in $CCC g++ c++ gpp aCC CC cxx cc++ cl FCC KCC RCC xlC_r xlC
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo "$as_me:$LINENO: checking for $ac_word" >&5
 echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
-if test "${ac_cv_prog_ac_ct_CC+set}" = set; then
+if test "${ac_cv_prog_ac_ct_CXX+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-  if test -n "$ac_ct_CC"; then
-  ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
+  if test -n "$ac_ct_CXX"; then
+  ac_cv_prog_ac_ct_CXX="$ac_ct_CXX" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
@@ -2008,7 +1799,7 @@ do
   test -z "$as_dir" && as_dir=.
   for ac_exec_ext in '' $ac_executable_extensions; do
   if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-    ac_cv_prog_ac_ct_CC="$ac_prog"
+    ac_cv_prog_ac_ct_CXX="$ac_prog"
     echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
@@ -2017,33 +1808,26 @@ done
 
 fi
 fi
-ac_ct_CC=$ac_cv_prog_ac_ct_CC
-if test -n "$ac_ct_CC"; then
-  echo "$as_me:$LINENO: result: $ac_ct_CC" >&5
-echo "${ECHO_T}$ac_ct_CC" >&6
+ac_ct_CXX=$ac_cv_prog_ac_ct_CXX
+if test -n "$ac_ct_CXX"; then
+  echo "$as_me:$LINENO: result: $ac_ct_CXX" >&5
+echo "${ECHO_T}$ac_ct_CXX" >&6
 else
   echo "$as_me:$LINENO: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 
-  test -n "$ac_ct_CC" && break
+  test -n "$ac_ct_CXX" && break
 done
+test -n "$ac_ct_CXX" || ac_ct_CXX="g++"
 
-  CC=$ac_ct_CC
+  CXX=$ac_ct_CXX
 fi
 
-fi
-
-
-test -z "$CC" && { { echo "$as_me:$LINENO: error: no acceptable C compiler found in \$PATH
-See \`config.log' for more details." >&5
-echo "$as_me: error: no acceptable C compiler found in \$PATH
-See \`config.log' for more details." >&2;}
-   { (exit 1); exit 1; }; }
 
 # Provide some information about the compiler.
 echo "$as_me:$LINENO:" \
-     "checking for C compiler version" >&5
+     "checking for C++ compiler version" >&5
 ac_compiler=`set X $ac_compile; echo $2`
 { (eval echo "$as_me:$LINENO: \"$ac_compiler --version </dev/null >&5\"") >&5
   (eval $ac_compiler --version </dev/null >&5) 2>&5
@@ -2081,8 +1865,8 @@ ac_clean_files="$ac_clean_files a.out a.exe b.out"
 # Try to create an executable without -o first, disregard a.out.
 # It will help us diagnose broken compilers, and finding out an intuition
 # of exeext.
-echo "$as_me:$LINENO: checking for C compiler default output file name" >&5
-echo $ECHO_N "checking for C compiler default output file name... $ECHO_C" >&6
+echo "$as_me:$LINENO: checking for C++ compiler default output file name" >&5
+echo $ECHO_N "checking for C++ compiler default output file name... $ECHO_C" >&6
 ac_link_default=`echo "$ac_link" | sed 's/ -o *conftest[^ ]*//'`
 if { (eval echo "$as_me:$LINENO: \"$ac_link_default\"") >&5
   (eval $ac_link_default) 2>&5
@@ -2125,9 +1909,9 @@ else
   echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-{ { echo "$as_me:$LINENO: error: C compiler cannot create executables
+{ { echo "$as_me:$LINENO: error: C++ compiler cannot create executables
 See \`config.log' for more details." >&5
-echo "$as_me: error: C compiler cannot create executables
+echo "$as_me: error: C++ compiler cannot create executables
 See \`config.log' for more details." >&2;}
    { (exit 77); exit 77; }; }
 fi
@@ -2138,8 +1922,8 @@ echo "${ECHO_T}$ac_file" >&6
 
 # Check the compiler produces executables we can run.  If not, either
 # the compiler is broken, or we cross compile.
-echo "$as_me:$LINENO: checking whether the C compiler works" >&5
-echo $ECHO_N "checking whether the C compiler works... $ECHO_C" >&6
+echo "$as_me:$LINENO: checking whether the C++ compiler works" >&5
+echo $ECHO_N "checking whether the C++ compiler works... $ECHO_C" >&6
 # FIXME: These cross compiler hacks should be removed for Autoconf 3.0
 # If not cross compiling, check that we can run a simple program.
 if test "$cross_compiling" != yes; then
@@ -2154,10 +1938,10 @@ if test "$cross_compiling" != yes; then
     if test "$cross_compiling" = maybe; then
 	cross_compiling=yes
     else
-	{ { echo "$as_me:$LINENO: error: cannot run C compiled programs.
+	{ { echo "$as_me:$LINENO: error: cannot run C++ compiled programs.
 If you meant to cross compile, use \`--host'.
 See \`config.log' for more details." >&5
-echo "$as_me: error: cannot run C compiled programs.
+echo "$as_me: error: cannot run C++ compiled programs.
 If you meant to cross compile, use \`--host'.
 See \`config.log' for more details." >&2;}
    { (exit 1); exit 1; }; }
@@ -2262,9 +2046,9 @@ echo "$as_me:$LINENO: result: $ac_cv_objext" >&5
 echo "${ECHO_T}$ac_cv_objext" >&6
 OBJEXT=$ac_cv_objext
 ac_objext=$OBJEXT
-echo "$as_me:$LINENO: checking whether we are using the GNU C compiler" >&5
-echo $ECHO_N "checking whether we are using the GNU C compiler... $ECHO_C" >&6
-if test "${ac_cv_c_compiler_gnu+set}" = set; then
+echo "$as_me:$LINENO: checking whether we are using the GNU C++ compiler" >&5
+echo $ECHO_N "checking whether we are using the GNU C++ compiler... $ECHO_C" >&6
+if test "${ac_cv_cxx_compiler_gnu+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   cat >conftest.$ac_ext <<_ACEOF
@@ -2294,7 +2078,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
+	 { ac_try='test -z "$ac_cxx_werror_flag"
 			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -2315,18 +2099,18 @@ sed 's/^/| /' conftest.$ac_ext >&5
 ac_compiler_gnu=no
 fi
 rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-ac_cv_c_compiler_gnu=$ac_compiler_gnu
+ac_cv_cxx_compiler_gnu=$ac_compiler_gnu
 
 fi
-echo "$as_me:$LINENO: result: $ac_cv_c_compiler_gnu" >&5
-echo "${ECHO_T}$ac_cv_c_compiler_gnu" >&6
-GCC=`test $ac_compiler_gnu = yes && echo yes`
-ac_test_CFLAGS=${CFLAGS+set}
-ac_save_CFLAGS=$CFLAGS
-CFLAGS="-g"
-echo "$as_me:$LINENO: checking whether $CC accepts -g" >&5
-echo $ECHO_N "checking whether $CC accepts -g... $ECHO_C" >&6
-if test "${ac_cv_prog_cc_g+set}" = set; then
+echo "$as_me:$LINENO: result: $ac_cv_cxx_compiler_gnu" >&5
+echo "${ECHO_T}$ac_cv_cxx_compiler_gnu" >&6
+GXX=`test $ac_compiler_gnu = yes && echo yes`
+ac_test_CXXFLAGS=${CXXFLAGS+set}
+ac_save_CXXFLAGS=$CXXFLAGS
+CXXFLAGS="-g"
+echo "$as_me:$LINENO: checking whether $CXX accepts -g" >&5
+echo $ECHO_N "checking whether $CXX accepts -g... $ECHO_C" >&6
+if test "${ac_cv_prog_cxx_g+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   cat >conftest.$ac_ext <<_ACEOF
@@ -2353,7 +2137,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
+	 { ac_try='test -z "$ac_cxx_werror_flag"
 			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -2366,179 +2150,33 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   ac_status=$?
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
-  ac_cv_prog_cc_g=yes
+  ac_cv_prog_cxx_g=yes
 else
   echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-ac_cv_prog_cc_g=no
+ac_cv_prog_cxx_g=no
 fi
 rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-echo "$as_me:$LINENO: result: $ac_cv_prog_cc_g" >&5
-echo "${ECHO_T}$ac_cv_prog_cc_g" >&6
-if test "$ac_test_CFLAGS" = set; then
-  CFLAGS=$ac_save_CFLAGS
-elif test $ac_cv_prog_cc_g = yes; then
-  if test "$GCC" = yes; then
-    CFLAGS="-g -O2"
+echo "$as_me:$LINENO: result: $ac_cv_prog_cxx_g" >&5
+echo "${ECHO_T}$ac_cv_prog_cxx_g" >&6
+if test "$ac_test_CXXFLAGS" = set; then
+  CXXFLAGS=$ac_save_CXXFLAGS
+elif test $ac_cv_prog_cxx_g = yes; then
+  if test "$GXX" = yes; then
+    CXXFLAGS="-g -O2"
   else
-    CFLAGS="-g"
+    CXXFLAGS="-g"
   fi
 else
-  if test "$GCC" = yes; then
-    CFLAGS="-O2"
+  if test "$GXX" = yes; then
+    CXXFLAGS="-O2"
   else
-    CFLAGS=
+    CXXFLAGS=
   fi
 fi
-echo "$as_me:$LINENO: checking for $CC option to accept ANSI C" >&5
-echo $ECHO_N "checking for $CC option to accept ANSI C... $ECHO_C" >&6
-if test "${ac_cv_prog_cc_stdc+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  ac_cv_prog_cc_stdc=no
-ac_save_CC=$CC
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-#include <stdarg.h>
-#include <stdio.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-/* Most of the following tests are stolen from RCS 5.7's src/conf.sh.  */
-struct buf { int x; };
-FILE * (*rcsopen) (struct buf *, struct stat *, int);
-static char *e (p, i)
-     char **p;
-     int i;
-{
-  return p[i];
-}
-static char *f (char * (*g) (char **, int), char **p, ...)
-{
-  char *s;
-  va_list v;
-  va_start (v,p);
-  s = g (p, va_arg (v,int));
-  va_end (v);
-  return s;
-}
-
-/* OSF 4.0 Compaq cc is some sort of almost-ANSI by default.  It has
-   function prototypes and stuff, but not '\xHH' hex character constants.
-   These don't provoke an error unfortunately, instead are silently treated
-   as 'x'.  The following induces an error, until -std1 is added to get
-   proper ANSI mode.  Curiously '\x00'!='x' always comes out true, for an
-   array size at least.  It's necessary to write '\x00'==0 to get something
-   that's true only with -std1.  */
-int osf4_cc_array ['\x00' == 0 ? 1 : -1];
-
-int test (int i, double x);
-struct s1 {int (*f) (int a);};
-struct s2 {int (*f) (double a);};
-int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), int, int);
-int argc;
-char **argv;
-int
-main ()
-{
-return f (e, argv, 0) != argv[0]  ||  f (e, argv, 1) != argv[1];
-  ;
-  return 0;
-}
-_ACEOF
-# Don't try gcc -ansi; that turns off useful extensions and
-# breaks some systems' header files.
-# AIX			-qlanglvl=ansi
-# Ultrix and OSF/1	-std1
-# HP-UX 10.20 and later	-Ae
-# HP-UX older versions	-Aa -D_HPUX_SOURCE
-# SVR4			-Xc -D__EXTENSIONS__
-for ac_arg in "" -qlanglvl=ansi -std1 -Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__"
-do
-  CC="$ac_save_CC $ac_arg"
-  rm -f conftest.$ac_objext
-if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  ac_cv_prog_cc_stdc=$ac_arg
-break
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-fi
-rm -f conftest.err conftest.$ac_objext
-done
-rm -f conftest.$ac_ext conftest.$ac_objext
-CC=$ac_save_CC
-
-fi
-
-case "x$ac_cv_prog_cc_stdc" in
-  x|xno)
-    echo "$as_me:$LINENO: result: none needed" >&5
-echo "${ECHO_T}none needed" >&6 ;;
-  *)
-    echo "$as_me:$LINENO: result: $ac_cv_prog_cc_stdc" >&5
-echo "${ECHO_T}$ac_cv_prog_cc_stdc" >&6
-    CC="$CC $ac_cv_prog_cc_stdc" ;;
-esac
-
-# Some people use a C++ compiler to compile C.  Since we use `exit',
-# in C++ we need to declare it.  In case someone uses the same compiler
-# for both compiling C and C++ we need to have the C++ compiler decide
-# the declaration of exit, since it's the most demanding environment.
-cat >conftest.$ac_ext <<_ACEOF
-#ifndef __cplusplus
-  choke me
-#endif
-_ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  for ac_declaration in \
+for ac_declaration in \
    '' \
    'extern "C" void std::exit (int) throw (); using std::exit;' \
    'extern "C" void std::exit (int); using std::exit;' \
@@ -2571,7 +2209,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
+	 { ac_try='test -z "$ac_cxx_werror_flag"
 			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -2616,7 +2254,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
+	 { ac_try='test -z "$ac_cxx_werror_flag"
 			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -2644,17 +2282,11 @@ if test -n "$ac_declaration"; then
   echo '#endif'             >>confdefs.h
 fi
 
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-fi
-rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-ac_ext=c
-ac_cpp='$CPP $CPPFLAGS'
-ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-ac_compiler_gnu=$ac_cv_c_compiler_gnu
+ac_ext=cc
+ac_cpp='$CXXCPP $CPPFLAGS'
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
 
 echo "$as_me:$LINENO: checking for CVodeCreate in -lsundials_cvodes" >&5
@@ -2664,7 +2296,7 @@ if test "${ac_cv_lib_sundials_cvodes_CVodeCreate+set}" = set; then
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lsundials_cvodes \
--lsundials_cvodes -lsundials_nvecserial -lm $LIBS"
+-lsundials_cvodes -lsundials_nvecserial -lsundials_shared -lm $LIBS"
 cat >conftest.$ac_ext <<_ACEOF
 /* confdefs.h.  */
 _ACEOF
@@ -2696,7 +2328,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
+	 { ac_try='test -z "$ac_cxx_werror_flag"
 			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -2728,6 +2360,10 @@ else
   use_sundials=0
 fi
 
+less conftest.c
+
+LDFLAGS=$ldsave
+fi
 
 if test "x$USE_SUNDIALS" = "xy"; then
 use_sundials=1
@@ -3827,11 +3463,11 @@ if test -n "$ac_declaration"; then
   echo '#endif'             >>confdefs.h
 fi
 
-ac_ext=c
-ac_cpp='$CPP $CPPFLAGS'
-ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-ac_compiler_gnu=$ac_cv_c_compiler_gnu
+ac_ext=cc
+ac_cpp='$CXXCPP $CPPFLAGS'
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
 ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
@@ -4556,11 +4192,11 @@ sed 's/^/| /' conftest.$ac_ext >&5
 
 fi
 rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-ac_ext=c
-ac_cpp='$CPP $CPPFLAGS'
-ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-ac_compiler_gnu=$ac_cv_c_compiler_gnu
+ac_ext=cc
+ac_cpp='$CXXCPP $CPPFLAGS'
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
 
 
@@ -4583,26 +4219,22 @@ echo "${ECHO_T}${precompile_headers}" >&6
 fi
 
 # Sizes of various common basic types
-ac_ext=c
-ac_cpp='$CPP $CPPFLAGS'
-ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-ac_compiler_gnu=$ac_cv_c_compiler_gnu
-echo "$as_me:$LINENO: checking how to run the C preprocessor" >&5
-echo $ECHO_N "checking how to run the C preprocessor... $ECHO_C" >&6
-# On Suns, sometimes $CPP names a directory.
-if test -n "$CPP" && test -d "$CPP"; then
-  CPP=
-fi
-if test -z "$CPP"; then
-  if test "${ac_cv_prog_CPP+set}" = set; then
+ac_ext=cc
+ac_cpp='$CXXCPP $CPPFLAGS'
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+echo "$as_me:$LINENO: checking how to run the C++ preprocessor" >&5
+echo $ECHO_N "checking how to run the C++ preprocessor... $ECHO_C" >&6
+if test -z "$CXXCPP"; then
+  if test "${ac_cv_prog_CXXCPP+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-      # Double quotes because CPP needs to be expanded
-    for CPP in "$CC -E" "$CC -E -traditional-cpp" "/lib/cpp"
+      # Double quotes because CXXCPP needs to be expanded
+    for CXXCPP in "$CXX -E" "/lib/cpp"
     do
       ac_preproc_ok=false
-for ac_c_preproc_warn_flag in '' yes
+for ac_cxx_preproc_warn_flag in '' yes
 do
   # Use a header file that comes with gcc, so configuring glibc
   # with a fresh cross-compiler works.
@@ -4632,8 +4264,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } >/dev/null; then
   if test -s conftest.err; then
-    ac_cpp_err=$ac_c_preproc_warn_flag
-    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
+    ac_cpp_err=$ac_cxx_preproc_warn_flag
+    ac_cpp_err=$ac_cpp_err$ac_cxx_werror_flag
   else
     ac_cpp_err=
   fi
@@ -4670,8 +4302,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } >/dev/null; then
   if test -s conftest.err; then
-    ac_cpp_err=$ac_c_preproc_warn_flag
-    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
+    ac_cpp_err=$ac_cxx_preproc_warn_flag
+    ac_cpp_err=$ac_cpp_err$ac_cxx_werror_flag
   else
     ac_cpp_err=
   fi
@@ -4699,17 +4331,17 @@ if $ac_preproc_ok; then
 fi
 
     done
-    ac_cv_prog_CPP=$CPP
+    ac_cv_prog_CXXCPP=$CXXCPP
 
 fi
-  CPP=$ac_cv_prog_CPP
+  CXXCPP=$ac_cv_prog_CXXCPP
 else
-  ac_cv_prog_CPP=$CPP
+  ac_cv_prog_CXXCPP=$CXXCPP
 fi
-echo "$as_me:$LINENO: result: $CPP" >&5
-echo "${ECHO_T}$CPP" >&6
+echo "$as_me:$LINENO: result: $CXXCPP" >&5
+echo "${ECHO_T}$CXXCPP" >&6
 ac_preproc_ok=false
-for ac_c_preproc_warn_flag in '' yes
+for ac_cxx_preproc_warn_flag in '' yes
 do
   # Use a header file that comes with gcc, so configuring glibc
   # with a fresh cross-compiler works.
@@ -4739,8 +4371,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } >/dev/null; then
   if test -s conftest.err; then
-    ac_cpp_err=$ac_c_preproc_warn_flag
-    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
+    ac_cpp_err=$ac_cxx_preproc_warn_flag
+    ac_cpp_err=$ac_cpp_err$ac_cxx_werror_flag
   else
     ac_cpp_err=
   fi
@@ -4777,8 +4409,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } >/dev/null; then
   if test -s conftest.err; then
-    ac_cpp_err=$ac_c_preproc_warn_flag
-    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
+    ac_cpp_err=$ac_cxx_preproc_warn_flag
+    ac_cpp_err=$ac_cpp_err$ac_cxx_werror_flag
   else
     ac_cpp_err=
   fi
@@ -4804,18 +4436,18 @@ rm -f conftest.err conftest.$ac_ext
 if $ac_preproc_ok; then
   :
 else
-  { { echo "$as_me:$LINENO: error: C preprocessor \"$CPP\" fails sanity check
+  { { echo "$as_me:$LINENO: error: C++ preprocessor \"$CXXCPP\" fails sanity check
 See \`config.log' for more details." >&5
-echo "$as_me: error: C preprocessor \"$CPP\" fails sanity check
+echo "$as_me: error: C++ preprocessor \"$CXXCPP\" fails sanity check
 See \`config.log' for more details." >&2;}
    { (exit 1); exit 1; }; }
 fi
 
-ac_ext=c
-ac_cpp='$CPP $CPPFLAGS'
-ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-ac_compiler_gnu=$ac_cv_c_compiler_gnu
+ac_ext=cc
+ac_cpp='$CXXCPP $CPPFLAGS'
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
 
 echo "$as_me:$LINENO: checking for egrep" >&5
@@ -4866,7 +4498,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
+	 { ac_try='test -z "$ac_cxx_werror_flag"
 			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -5037,7 +4669,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
+	 { ac_try='test -z "$ac_cxx_werror_flag"
 			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -5103,7 +4735,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
+	 { ac_try='test -z "$ac_cxx_werror_flag"
 			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -5166,7 +4798,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
+	 { ac_try='test -z "$ac_cxx_werror_flag"
 			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -5207,7 +4839,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
+	 { ac_try='test -z "$ac_cxx_werror_flag"
 			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -5264,7 +4896,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
+	 { ac_try='test -z "$ac_cxx_werror_flag"
 			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -5305,7 +4937,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
+	 { ac_try='test -z "$ac_cxx_werror_flag"
 			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -5370,7 +5002,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
+	 { ac_try='test -z "$ac_cxx_werror_flag"
 			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -5517,7 +5149,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
+	 { ac_try='test -z "$ac_cxx_werror_flag"
 			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -5580,7 +5212,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
+	 { ac_try='test -z "$ac_cxx_werror_flag"
 			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -5621,7 +5253,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
+	 { ac_try='test -z "$ac_cxx_werror_flag"
 			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -5678,7 +5310,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
+	 { ac_try='test -z "$ac_cxx_werror_flag"
 			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -5719,7 +5351,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
+	 { ac_try='test -z "$ac_cxx_werror_flag"
 			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -5784,7 +5416,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
+	 { ac_try='test -z "$ac_cxx_werror_flag"
 			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -5931,7 +5563,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
+	 { ac_try='test -z "$ac_cxx_werror_flag"
 			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -5994,7 +5626,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
+	 { ac_try='test -z "$ac_cxx_werror_flag"
 			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -6035,7 +5667,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
+	 { ac_try='test -z "$ac_cxx_werror_flag"
 			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -6092,7 +5724,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
+	 { ac_try='test -z "$ac_cxx_werror_flag"
 			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -6133,7 +5765,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
+	 { ac_try='test -z "$ac_cxx_werror_flag"
 			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -6198,7 +5830,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
+	 { ac_try='test -z "$ac_cxx_werror_flag"
 			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -6345,7 +5977,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
+	 { ac_try='test -z "$ac_cxx_werror_flag"
 			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -6408,7 +6040,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
+	 { ac_try='test -z "$ac_cxx_werror_flag"
 			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -6449,7 +6081,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
+	 { ac_try='test -z "$ac_cxx_werror_flag"
 			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -6506,7 +6138,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
+	 { ac_try='test -z "$ac_cxx_werror_flag"
 			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -6547,7 +6179,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
+	 { ac_try='test -z "$ac_cxx_werror_flag"
 			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -6612,7 +6244,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
+	 { ac_try='test -z "$ac_cxx_werror_flag"
 			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -6759,7 +6391,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
+	 { ac_try='test -z "$ac_cxx_werror_flag"
 			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -6822,7 +6454,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
+	 { ac_try='test -z "$ac_cxx_werror_flag"
 			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -6863,7 +6495,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
+	 { ac_try='test -z "$ac_cxx_werror_flag"
 			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -6920,7 +6552,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
+	 { ac_try='test -z "$ac_cxx_werror_flag"
 			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -6961,7 +6593,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
+	 { ac_try='test -z "$ac_cxx_werror_flag"
 			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -7026,7 +6658,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
+	 { ac_try='test -z "$ac_cxx_werror_flag"
 			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -7173,7 +6805,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
+	 { ac_try='test -z "$ac_cxx_werror_flag"
 			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -7236,7 +6868,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
+	 { ac_try='test -z "$ac_cxx_werror_flag"
 			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -7277,7 +6909,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
+	 { ac_try='test -z "$ac_cxx_werror_flag"
 			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -7334,7 +6966,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
+	 { ac_try='test -z "$ac_cxx_werror_flag"
 			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -7375,7 +7007,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
+	 { ac_try='test -z "$ac_cxx_werror_flag"
 			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -7440,7 +7072,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
+	 { ac_try='test -z "$ac_cxx_werror_flag"
 			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -7587,7 +7219,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
+	 { ac_try='test -z "$ac_cxx_werror_flag"
 			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -7650,7 +7282,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
+	 { ac_try='test -z "$ac_cxx_werror_flag"
 			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -7691,7 +7323,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
+	 { ac_try='test -z "$ac_cxx_werror_flag"
 			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -7748,7 +7380,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
+	 { ac_try='test -z "$ac_cxx_werror_flag"
 			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -7789,7 +7421,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
+	 { ac_try='test -z "$ac_cxx_werror_flag"
 			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -7854,7 +7486,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
+	 { ac_try='test -z "$ac_cxx_werror_flag"
 			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -8001,7 +7633,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
+	 { ac_try='test -z "$ac_cxx_werror_flag"
 			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -8064,7 +7696,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
+	 { ac_try='test -z "$ac_cxx_werror_flag"
 			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -8105,7 +7737,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
+	 { ac_try='test -z "$ac_cxx_werror_flag"
 			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -8162,7 +7794,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
+	 { ac_try='test -z "$ac_cxx_werror_flag"
 			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -8203,7 +7835,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
+	 { ac_try='test -z "$ac_cxx_werror_flag"
 			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -8268,7 +7900,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
+	 { ac_try='test -z "$ac_cxx_werror_flag"
 			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -8553,7 +8185,7 @@ fi
 
 
 # Provide some information about the compiler.
-echo "$as_me:8556:" \
+echo "$as_me:8188:" \
      "checking for Fortran 77 compiler version" >&5
 ac_compiler=`set X $ac_compile; echo $2`
 { (eval echo "$as_me:$LINENO: \"$ac_compiler --version </dev/null >&5\"") >&5
@@ -8691,11 +8323,11 @@ else
 fi
 
 G77=`test $ac_compiler_gnu = yes && echo yes`
-ac_ext=c
-ac_cpp='$CPP $CPPFLAGS'
-ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-ac_compiler_gnu=$ac_cv_c_compiler_gnu
+ac_ext=cc
+ac_cpp='$CXXCPP $CPPFLAGS'
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
 
 # if G77 is defined, then add a flag to turn off adding a second underscore
@@ -8704,308 +8336,7 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
     FFLAGS=$FFLAGS' -fno-second-underscore'
   fi
 
-
-ac_ext=f
-ac_compile='$F77 -c $FFLAGS conftest.$ac_ext >&5'
-ac_link='$F77 -o conftest$ac_exeext $FFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-ac_compiler_gnu=$ac_cv_f77_compiler_gnu
-echo "$as_me:$LINENO: checking how to get verbose linking output from $F77" >&5
-echo $ECHO_N "checking how to get verbose linking output from $F77... $ECHO_C" >&6
-if test "${ac_cv_prog_f77_v+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  cat >conftest.$ac_ext <<_ACEOF
-      program main
-
-      end
-_ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_f77_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  ac_cv_prog_f77_v=
-# Try some options frequently used verbose output
-for ac_verb in -v -verbose --verbose -V -\#\#\#; do
-  cat >conftest.$ac_ext <<_ACEOF
-      program main
-
-      end
-_ACEOF
-
-# Compile and link our simple test program by passing a flag (argument
-# 1 to this macro) to the Fortran compiler in order to get
-# "verbose" output that we can then parse for the Fortran linker
-# flags.
-ac_save_FFLAGS=$FFLAGS
-FFLAGS="$FFLAGS $ac_verb"
-(eval echo $as_me:8759: \"$ac_link\") >&5
-ac_f77_v_output=`eval $ac_link 5>&1 2>&1 | grep -v 'Driving:'`
-echo "$ac_f77_v_output" >&5
-FFLAGS=$ac_save_FFLAGS
-
-rm -f conftest*
-
-# On HP/UX there is a line like: "LPATH is: /foo:/bar:/baz" where
-# /foo, /bar, and /baz are search directories for the Fortran linker.
-# Here, we change these into -L/foo -L/bar -L/baz (and put it first):
-ac_f77_v_output="`echo $ac_f77_v_output |
-	grep 'LPATH is:' |
-	sed 's,.*LPATH is\(: *[^ ]*\).*,\1,;s,: */, -L/,g'` $ac_f77_v_output"
-
-case $ac_f77_v_output in
-  # If we are using xlf then replace all the commas with spaces.
-  *xlfentry*)
-    ac_f77_v_output=`echo $ac_f77_v_output | sed 's/,/ /g'` ;;
-
-  # With Intel ifc, ignore the quoted -mGLOB_options_string stuff (quoted
-  # $LIBS confuse us, and the libraries appear later in the output anyway).
-  *mGLOB_options_string*)
-    ac_f77_v_output=`echo $ac_f77_v_output | sed 's/\"-mGLOB[^\"]*\"/ /g'` ;;
-
-  # If we are using Cray Fortran then delete quotes.
-  # Use "\"" instead of '"' for font-lock-mode.
-  # FIXME: a more general fix for quoted arguments with spaces?
-  *cft90*)
-    ac_f77_v_output=`echo $ac_f77_v_output | sed "s/\"//g"` ;;
-esac
-
-
-  # look for -l* and *.a constructs in the output
-  for ac_arg in $ac_f77_v_output; do
-     case $ac_arg in
-        [\\/]*.a | ?:[\\/]*.a | -[lLRu]*)
-          ac_cv_prog_f77_v=$ac_verb
-          break 2 ;;
-     esac
-  done
-done
-if test -z "$ac_cv_prog_f77_v"; then
-   { echo "$as_me:$LINENO: WARNING: cannot determine how to obtain linking information from $F77" >&5
-echo "$as_me: WARNING: cannot determine how to obtain linking information from $F77" >&2;}
-fi
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-{ echo "$as_me:$LINENO: WARNING: compilation failed" >&5
-echo "$as_me: WARNING: compilation failed" >&2;}
-fi
-rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-
-fi
-echo "$as_me:$LINENO: result: $ac_cv_prog_f77_v" >&5
-echo "${ECHO_T}$ac_cv_prog_f77_v" >&6
-echo "$as_me:$LINENO: checking for Fortran libraries of $F77" >&5
-echo $ECHO_N "checking for Fortran libraries of $F77... $ECHO_C" >&6
-if test "${ac_cv_f77_libs+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  if test "x$FLIBS" != "x"; then
-  ac_cv_f77_libs="$FLIBS" # Let the user override the test.
-else
-
-cat >conftest.$ac_ext <<_ACEOF
-      program main
-
-      end
-_ACEOF
-
-# Compile and link our simple test program by passing a flag (argument
-# 1 to this macro) to the Fortran compiler in order to get
-# "verbose" output that we can then parse for the Fortran linker
-# flags.
-ac_save_FFLAGS=$FFLAGS
-FFLAGS="$FFLAGS $ac_cv_prog_f77_v"
-(eval echo $as_me:8837: \"$ac_link\") >&5
-ac_f77_v_output=`eval $ac_link 5>&1 2>&1 | grep -v 'Driving:'`
-echo "$ac_f77_v_output" >&5
-FFLAGS=$ac_save_FFLAGS
-
-rm -f conftest*
-
-# On HP/UX there is a line like: "LPATH is: /foo:/bar:/baz" where
-# /foo, /bar, and /baz are search directories for the Fortran linker.
-# Here, we change these into -L/foo -L/bar -L/baz (and put it first):
-ac_f77_v_output="`echo $ac_f77_v_output |
-	grep 'LPATH is:' |
-	sed 's,.*LPATH is\(: *[^ ]*\).*,\1,;s,: */, -L/,g'` $ac_f77_v_output"
-
-case $ac_f77_v_output in
-  # If we are using xlf then replace all the commas with spaces.
-  *xlfentry*)
-    ac_f77_v_output=`echo $ac_f77_v_output | sed 's/,/ /g'` ;;
-
-  # With Intel ifc, ignore the quoted -mGLOB_options_string stuff (quoted
-  # $LIBS confuse us, and the libraries appear later in the output anyway).
-  *mGLOB_options_string*)
-    ac_f77_v_output=`echo $ac_f77_v_output | sed 's/\"-mGLOB[^\"]*\"/ /g'` ;;
-
-  # If we are using Cray Fortran then delete quotes.
-  # Use "\"" instead of '"' for font-lock-mode.
-  # FIXME: a more general fix for quoted arguments with spaces?
-  *cft90*)
-    ac_f77_v_output=`echo $ac_f77_v_output | sed "s/\"//g"` ;;
-esac
-
-
-
-ac_cv_f77_libs=
-
-# Save positional arguments (if any)
-ac_save_positional="$@"
-
-set X $ac_f77_v_output
-while test $# != 1; do
-  shift
-  ac_arg=$1
-  case $ac_arg in
-        [\\/]*.a | ?:[\\/]*.a)
-            ac_exists=false
-  for ac_i in $ac_cv_f77_libs; do
-    if test x"$ac_arg" = x"$ac_i"; then
-      ac_exists=true
-      break
-    fi
-  done
-
-  if test x"$ac_exists" = xtrue; then
-  :
-else
-  ac_cv_f77_libs="$ac_cv_f77_libs $ac_arg"
-fi
-
-          ;;
-        -bI:*)
-            ac_exists=false
-  for ac_i in $ac_cv_f77_libs; do
-    if test x"$ac_arg" = x"$ac_i"; then
-      ac_exists=true
-      break
-    fi
-  done
-
-  if test x"$ac_exists" = xtrue; then
-  :
-else
-  if test "$ac_compiler_gnu" = yes; then
-  for ac_link_opt in $ac_arg; do
-    ac_cv_f77_libs="$ac_cv_f77_libs -Xlinker $ac_link_opt"
-  done
-else
-  ac_cv_f77_libs="$ac_cv_f77_libs $ac_arg"
-fi
-fi
-
-          ;;
-          # Ignore these flags.
-        -lang* | -lcrt[01].o | -lcrtbegin.o | -lc | -lgcc | -libmil | -LANG:=*)
-          ;;
-        -lkernel32)
-          test x"$CYGWIN" != xyes && ac_cv_f77_libs="$ac_cv_f77_libs $ac_arg"
-          ;;
-        -[LRuY])
-          # These flags, when seen by themselves, take an argument.
-          # We remove the space between option and argument and re-iterate
-          # unless we find an empty arg or a new option (starting with -)
-	  case $2 in
-	     "" | -*);;
-	     *)
-		ac_arg="$ac_arg$2"
-		shift; shift
-		set X $ac_arg "$@"
-		;;
-	  esac
-          ;;
-        -YP,*)
-          for ac_j in `echo $ac_arg | sed -e 's/-YP,/-L/;s/:/ -L/g'`; do
-              ac_exists=false
-  for ac_i in $ac_cv_f77_libs; do
-    if test x"$ac_j" = x"$ac_i"; then
-      ac_exists=true
-      break
-    fi
-  done
-
-  if test x"$ac_exists" = xtrue; then
-  :
-else
-  ac_arg="$ac_arg $ac_j"
-                               ac_cv_f77_libs="$ac_cv_f77_libs $ac_j"
-fi
-
-          done
-          ;;
-        -[lLR]*)
-            ac_exists=false
-  for ac_i in $ac_cv_f77_libs; do
-    if test x"$ac_arg" = x"$ac_i"; then
-      ac_exists=true
-      break
-    fi
-  done
-
-  if test x"$ac_exists" = xtrue; then
-  :
-else
-  ac_cv_f77_libs="$ac_cv_f77_libs $ac_arg"
-fi
-
-          ;;
-          # Ignore everything else.
-  esac
-done
-# restore positional arguments
-set X $ac_save_positional; shift
-
-# We only consider "LD_RUN_PATH" on Solaris systems.  If this is seen,
-# then we insist that the "run path" must be an absolute path (i.e. it
-# must begin with a "/").
-case `(uname -sr) 2>/dev/null` in
-   "SunOS 5"*)
-      ac_ld_run_path=`echo $ac_f77_v_output |
-                        sed -n 's,^.*LD_RUN_PATH *= *\(/[^ ]*\).*$,-R\1,p'`
-      test "x$ac_ld_run_path" != x &&
-        if test "$ac_compiler_gnu" = yes; then
-  for ac_link_opt in $ac_ld_run_path; do
-    ac_cv_f77_libs="$ac_cv_f77_libs -Xlinker $ac_link_opt"
-  done
-else
-  ac_cv_f77_libs="$ac_cv_f77_libs $ac_ld_run_path"
-fi
-      ;;
-esac
-fi # test "x$[]_AC_LANG_PREFIX[]LIBS" = "x"
-
-fi
-echo "$as_me:$LINENO: result: $ac_cv_f77_libs" >&5
-echo "${ECHO_T}$ac_cv_f77_libs" >&6
-FLIBS="$ac_cv_f77_libs"
-
-
-ac_ext=c
-ac_cpp='$CPP $CPPFLAGS'
-ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-ac_compiler_gnu=$ac_cv_c_compiler_gnu
-
+# AC_F77_LIBRARY_LDFLAGS()
 
 override_f77_libs=0;
 case $ac_sys_system in
@@ -10006,11 +9337,11 @@ s,@DO_RANLIB@,$DO_RANLIB,;t t
 s,@RANLIB@,$RANLIB,;t t
 s,@USERDIR@,$USERDIR,;t t
 s,@INCL_USER_CODE@,$INCL_USER_CODE,;t t
-s,@CC@,$CC,;t t
-s,@CFLAGS@,$CFLAGS,;t t
+s,@CXX@,$CXX,;t t
+s,@CXXFLAGS@,$CXXFLAGS,;t t
 s,@LDFLAGS@,$LDFLAGS,;t t
 s,@CPPFLAGS@,$CPPFLAGS,;t t
-s,@ac_ct_CC@,$ac_ct_CC,;t t
+s,@ac_ct_CXX@,$ac_ct_CXX,;t t
 s,@EXEEXT@,$EXEEXT,;t t
 s,@OBJEXT@,$OBJEXT,;t t
 s,@use_sundials@,$use_sundials,;t t
@@ -10050,10 +9381,10 @@ s,@export_name@,$export_name,;t t
 s,@INSTALL_PROGRAM@,$INSTALL_PROGRAM,;t t
 s,@INSTALL_SCRIPT@,$INSTALL_SCRIPT,;t t
 s,@INSTALL_DATA@,$INSTALL_DATA,;t t
-s,@CXX@,$CXX,;t t
-s,@CXXFLAGS@,$CXXFLAGS,;t t
-s,@ac_ct_CXX@,$ac_ct_CXX,;t t
-s,@CPP@,$CPP,;t t
+s,@CC@,$CC,;t t
+s,@CFLAGS@,$CFLAGS,;t t
+s,@ac_ct_CC@,$ac_ct_CC,;t t
+s,@CXXCPP@,$CXXCPP,;t t
 s,@EGREP@,$EGREP,;t t
 s,@SOEXT@,$SOEXT,;t t
 s,@SHARED@,$SHARED,;t t
@@ -10065,13 +9396,13 @@ s,@HAVE_STRIPSYMBOLS@,$HAVE_STRIPSYMBOLS,;t t
 s,@F77@,$F77,;t t
 s,@FFLAGS@,$FFLAGS,;t t
 s,@ac_ct_F77@,$ac_ct_F77,;t t
-s,@FLIBS@,$FLIBS,;t t
 s,@F90@,$F90,;t t
 s,@BUILD_F90@,$BUILD_F90,;t t
 s,@F90FLAGS@,$F90FLAGS,;t t
 s,@F90BUILDFLAGS@,$F90BUILDFLAGS,;t t
 s,@precompile_headers@,$precompile_headers,;t t
 s,@CXX_DEPENDS@,$CXX_DEPENDS,;t t
+s,@FLIBS@,$FLIBS,;t t
 s,@OS_IS_DARWIN@,$OS_IS_DARWIN,;t t
 s,@OS_IS_WIN@,$OS_IS_WIN,;t t
 s,@OS_IS_CYGWIN@,$OS_IS_CYGWIN,;t t
diff --git a/configure.in b/configure.in
index cc5d10202..c3efe4e71 100755
--- a/configure.in
+++ b/configure.in
@@ -298,6 +298,8 @@ if test -n "$USER_SRC_DIR"; then USERDIR=$USER_SRC_DIR; INCL_USER_CODE=1; fi
 AC_SUBST(USERDIR)
 AC_SUBST(INCL_USER_CODE)
 
+AC_LANG_CPLUSPLUS
+
 use_sundials=0
 sundials_inc=
 CVODE_LIBS='-lcvode'
@@ -306,10 +308,13 @@ IDA_LIBS=''
 if test "$USE_SUNDIALS" = "default"; then
 ldsave=$LDFLAGS
 LDFLAGS='-L'$SUNDIALS_HOME/lib' '$ldsave
-fi
 
 AC_CHECK_LIB(sundials_cvodes, CVodeCreate, [use_sundials=1], [use_sundials=0],\
-[-lsundials_cvodes -lsundials_nvecserial -lm])
+[-lsundials_cvodes -lsundials_nvecserial -lsundials_shared -lm])
+less conftest.c
+
+LDFLAGS=$ldsave
+fi
 
 if test "x$USE_SUNDIALS" = "xy"; then
 use_sundials=1
@@ -972,7 +977,7 @@ AC_PROG_F77()
   fi
 
 dnl Checks for libraries.
-AC_F77_LIBRARY_LDFLAGS()
+# AC_F77_LIBRARY_LDFLAGS()
 
 override_f77_libs=0;
 case $ac_sys_system in