do not compile in C++11 mode

libmwaw.spec

@@ -14,6 +14,7 @@ License: (LGPLv2+ or MPLv2.0) and BSD
 URL: http://sourceforge.net/projects/libmwaw/
 Source: http://downloads.sourceforge.net/%{name}/%{name}-%{version}.tar.xz
 
+BuildRequires: boost-devel
 BuildRequires: doxygen
 BuildRequires: libwpd-devel
 
@@ -55,8 +56,7 @@ Supported output formats are XHTML, text and raw.
 
 
 %build
-%configure --disable-static --disable-werror --disable-zip --enable-docs \
-    --with-sharedptr=c++11 CXXFLAGS="$CXXFLAGS -std=c++11"
+%configure --disable-static --disable-werror --disable-zip --enable-docs
 sed -i \
     -e 's|^hardcode_libdir_flag_spec=.*|hardcode_libdir_flag_spec=""|g' \
     -e 's|^runpath_var=LD_RUN_PATH|runpath_var=DIE_RPATH_DIE|g' \