Install dir ( buiding with media-libs/ming ):
    /usr/$(get_libdir)/graphviz/Bitstream_Vera_Serif.fdb
    /usr/$(get_libdir)/graphviz/Bitstream_Vera_Sans.fdb
    /usr/include/graphviz/gv.cpp
    /usr/include/graphviz/gv.i

Due to the following change, {pkglib,pkginclude}_DATA is invalid:
    http://git.savannah.gnu.org/cgit/automake.git/commit/?id=9ca632642b006ac6b0fc4ce0ae5b34023faa8cbf

---
diff --git a/plugin/ming/Makefile.am b/plugin/ming/Makefile.am
--- a/plugin/ming/Makefile.am
+++ b/plugin/ming/Makefile.am
@@ -17,7 +17,8 @@ lib_LTLIBRARIES = libgvplugin_ming.la
 else
 pkglib_LTLIBRARIES = libgvplugin_ming.la
 endif
-pkglib_DATA = Bitstream_Vera_Sans.fdb  Bitstream_Vera_Serif.fdb
+fdblibdir = $(libdir)/@PACKAGE@
+fdblib_DATA = Bitstream_Vera_Sans.fdb  Bitstream_Vera_Serif.fdb
 endif
 
 libgvplugin_ming_C_la_SOURCES = \
diff --git a/tclpkg/gv/Makefile.am b/tclpkg/gv/Makefile.am
--- a/tclpkg/gv/Makefile.am
+++ b/tclpkg/gv/Makefile.am
@@ -258,7 +258,7 @@ libgv_tcl_la_CPPFLAGS = $(BASECPPFLAGS) 
 gv_tcl.cpp: gv.i
 	$(SWIG) -c++ -tcl -namespace -o gv_tcl.cpp $(srcdir)/gv.i
 
-pkginclude_DATA = gv.i gv.cpp
+pkginclude_HEADERS = gv.i gv.cpp
 pkglib_LTLIBRARIES = 
 man_MANS =
 pdf_DATA =