diff -ruN bogofilter-1.2.1-orig/src/Makefile.am bogofilter-1.2.1/src/Makefile.am
--- bogofilter-1.2.1-orig/src/Makefile.am	2009-05-28 22:59:05.000000000 +0200
+++ bogofilter-1.2.1/src/Makefile.am	2010-06-16 22:52:36.000000000 +0200
@@ -16,7 +16,7 @@
 AM_CPPFLAGS = -iquote$(top_srcdir)/gnugetopt -iquote$(top_srcdir)/trio \
 	      -I$(srcdir) @GSL_CFLAGS@ -I$(top_srcdir)/gsl/specfunc -I$(top_srcdir)
 else
-AM_CPPFLAGS = -I$(top_srcdir)/gnugetopt -I$(top_srcdir)/trio -I- -I. \
+AM_CPPFLAGS = -I$(top_srcdir)/gnugetopt -I$(top_srcdir)/trio -I. \
 	      -I$(srcdir) @GSL_CFLAGS@ -I$(top_srcdir)/gsl/specfunc -I$(top_srcdir)
 endif
 
diff -ruN bogofilter-1.2.1-orig/src/Makefile.in bogofilter-1.2.1/src/Makefile.in
--- bogofilter-1.2.1-orig/src/Makefile.in	2009-08-01 21:00:51.000000000 +0200
+++ bogofilter-1.2.1/src/Makefile.in	2010-06-16 22:52:23.000000000 +0200
@@ -483,7 +483,7 @@
 @ENABLE_MEMDEBUG_TRUE@MEMDEBUG_SRC = memdebug.c memdebug.h
 noinst_LIBRARIES = libbogofilter.a $(am__append_3) $(am__append_5) \
 	$(am__append_10)
-@USE_GCC4_FALSE@AM_CPPFLAGS = -I$(top_srcdir)/gnugetopt -I$(top_srcdir)/trio -I- -I. \
+@USE_GCC4_FALSE@AM_CPPFLAGS = -I$(top_srcdir)/gnugetopt -I$(top_srcdir)/trio -I. \
 @USE_GCC4_FALSE@	      -I$(srcdir) @GSL_CFLAGS@ -I$(top_srcdir)/gsl/specfunc -I$(top_srcdir)
 
 @USE_GCC4_TRUE@AM_CPPFLAGS = -iquote$(top_srcdir)/gnugetopt -iquote$(top_srcdir)/trio \