runs as C++, no vector support yet

configure.ac

@@ -20,28 +20,21 @@ dnl
 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
 
 
-AC_PROG_CC_C99
-AC_OPENMP
-
-# add math library
-LIBS="-lm"
+AC_PROG_CXX
+AX_CXX_COMPILE_STDCXX([11])
 
 AC_PROG_LIBTOOL
 
-tmpval=`echo $CFLAGS | grep -c '\-DMULTIARCH'`
+tmpval=`echo $CXXFLAGS | grep -c '\-DMULTIARCH'`
 AM_CONDITIONAL([HAVE_MULTIARCH], [test $tmpval -gt 0])
 
-AM_CFLAGS="$AM_CFLAGS $OPENMP_CFLAGS"
-
 PACKAGE_LIBS="-lsharp2"
-PACKAGE_CFLAGS="$PACKAGE_CFLAGS $OPENMP_CFLAGS"
-PACKAGE_LDFLAGS="$PACKAGE_LDFLAGS $OPENMP_CFLAGS"
 
 dnl
 dnl Create pkgconfig .pc file.
 dnl
 AX_CREATE_PKGCONFIG_INFO(,,,,[])
-AC_SUBST([AM_CFLAGS])
+AC_SUBST([AM_CXXFLAGS])
 
 AC_CONFIG_FILES([Makefile])
 AC_OUTPUT