--- log4cpp/doc/Makefile.am	2002-10-05 23:32:01.000000000 +0200
+++ log4cpp.new/doc/Makefile.am	2016-05-06 11:14:35.000000000 +0200
@@ -1,7 +1,7 @@
 SUBDIRS = html
 
 man3dir = $(mandir)/man3
-docdir  = $(prefix)/doc/@PACKAGE_TARNAME@-@PACKAGE_VERSION@
+docdir  = $(docdir)/@PACKAGE_TARNAME@-@PACKAGE_VERSION@
 
 EXTRA_DIST = \
 	mainPage.txt