Do not install PORTING file.

diff --git a/doc/Makefile.am b/doc/Makefile.am
index fab0a4d..950a5e4 100644 (file)
--- a/doc/Makefile.am
+++ b/doc/Makefile.am
@@ -27,11 +27,13 @@ dist_man_MANS = gnushogi.6
 
 dist_doc_DATA = \
        BOOKFILES \
-       PORTING \
        shogi.rules \
        tutorial1.gam \
        tutorial2.gam
 
+dist_noinst_DATA = \
+       PORTING
+
 spell:
        tr '[A-Z]' '[a-z]' < $(srcdir)/gnushogi.texi | tr -cd '[A-Za-z0-9_ \012]' | \
        tr -s '[ ]' '\012' | sort | uniq -c | sort -nr | spell | sort | uniq