libstaroffice: needs C++11

devel/libstaroffice/Portfile

@@ -8,7 +8,6 @@ github.tarball_from releases
 use_xz yes
 
 categories devel textproc
-platforms darwin
 license MPL-2
 maintainers {gmail.com:audvare @Tatsh} openmaintainer
 
@@ -19,11 +18,14 @@ checksums rmd160 96d41ee09185a39d1dbd5c418705603424e6f66f \
  sha256 f94fb0ad8216f97127bedef163a45886b43c62deac5e5b0f5e628e234220c8db \
  size 707920
 
-depends_build port:pkgconfig
+depends_build port:bin/pkg-config:pkgconfig
 depends_lib port:librevenge \
  port:zlib
 
 configure.args --disable-debug \
  --without-docs \
  --disable-tools \
  --enable-zip
+
+# configure: error: *** A compiler with support for C++11 language features is required.
+compiler.cxx_standard 2011