diff -ruN epson-inkjet-printer/Makefile.am --ep/Makefile.am
--- epson-inkjet-printer/Makefile.am	2017-07-06 10:33:43.822281000 +0800
+++ --ep/Makefile.am	2017-07-06 23:04:13.137811000 +0800
@@ -12,5 +12,6 @@
 
 ldsohooksdir = $(sysconfdir)/ld.so.conf.d
 ldsohooks_DATA = ld.so.conf.d/99-epson-inkjet-printer.conf
+ACLOCAL_AMFLAGS = -I m4
 
 EXTRA_DIST = $(doc_DATA) $(ldsohooks_DATA)
diff -ruN epson-inkjet-printer/configure.ac --ep/configure.ac
--- epson-inkjet-printer/configure.ac	2017-07-06 10:33:43.822480000 +0800
+++ --ep/configure.ac	2017-07-06 23:04:13.138123000 +0800
@@ -7,6 +7,7 @@
 
 AC_CONFIG_SRCDIR([src/raster_to_epson.h])
 AC_CONFIG_HEADER([config.h])
+AC_CONFIG_MACRO_DIRS([m4])
 
 # Checks for programs.
 AC_PROG_CC
@@ -14,9 +15,6 @@
 AC_PROG_LN_S
 AC_PROG_LIBTOOL
 
-# Checks for libraries.
-AC_CHECK_LIB([dl], [dlopen])
-
 # Define flags
 AC_ARG_ENABLE(debug,
         AC_HELP_STRING([--enable-debug],[enable debug]),
@@ -50,7 +48,6 @@
 	CUPS_SERVER_DIR=${prefix}/lib/cups
 	CUPS_LIBS='-lcups -lm'
 	CUPS_IMAGE_LIBS='-lcupsimage -lcups -ljpeg -lm'
-	DL_LIBS='-ldl'
 	STDCPP_LIBS='-lstdc++'
 fi
 
diff -ruN epson-inkjet-printer/src/Makefile.am --ep/src/Makefile.am
--- epson-inkjet-printer/src/Makefile.am	2017-07-06 10:33:43.847522000 +0800
+++ --ep/src/Makefile.am	2017-07-06 23:04:13.235545000 +0800
@@ -2,7 +2,7 @@
 
 SUBDIRS = memory raster pagemanager filteropt
 
-INCLUDES = \
+AM_CPPFLAGS = \
 	-I../include \
 	-I./raster \
 	-I./memory \
diff -ruN epson-inkjet-printer/src/filteropt/Makefile.am --ep/src/filteropt/Makefile.am
--- epson-inkjet-printer/src/filteropt/Makefile.am	2017-07-06 10:33:43.847946000 +0800
+++ --ep/src/filteropt/Makefile.am	2017-07-06 23:04:13.232711000 +0800
@@ -1,6 +1,6 @@
 # Copyright (C) Seiko Epson Corporation 2009.
 #
-INCLUDES = \
+AM_CPPFLAGS = \
 	-I.. \
 	-I../raster
 
diff -ruN epson-inkjet-printer/src/memory/Makefile.am --ep/src/memory/Makefile.am
--- epson-inkjet-printer/src/memory/Makefile.am	2017-07-06 10:33:43.848480000 +0800
+++ --ep/src/memory/Makefile.am	2017-07-06 23:04:13.232229000 +0800
@@ -1,6 +1,6 @@
 # Copyright (C) Seiko Epson Corporation 2009.
 #
-INCLUDES = -I../
+AM_CPPFLAGS = -I../
 
 AM_CFLAGS = -fsigned-char
 
diff -ruN epson-inkjet-printer/src/pagemanager/Makefile.am --ep/src/pagemanager/Makefile.am
--- epson-inkjet-printer/src/pagemanager/Makefile.am	2017-07-06 10:33:43.848796000 +0800
+++ --ep/src/pagemanager/Makefile.am	2017-07-06 23:04:13.235763000 +0800
@@ -1,6 +1,6 @@
 # Copyright (C) Seiko Epson Corporation 2009.
 #
-INCLUDES = \
+AM_CPPFLAGS = \
 	-I.. \
 	-I../../include \
 	-I../memory \
diff -ruN epson-inkjet-printer/src/raster/Makefile.am --ep/src/raster/Makefile.am
--- epson-inkjet-printer/src/raster/Makefile.am	2017-07-06 10:33:43.849518000 +0800
+++ --ep/src/raster/Makefile.am	2017-07-06 23:04:13.234816000 +0800
@@ -2,7 +2,7 @@
 #
 SUBDIRS = blendSource
 
-INCLUDES = \
+AM_CPPFLAGS = \
 	-I../ \
 	-I../memory \
 	-I./blendSource
diff -ruN epson-inkjet-printer/src/raster/blendSource/Makefile.am --ep/src/raster/blendSource/Makefile.am
--- epson-inkjet-printer/src/raster/blendSource/Makefile.am	2017-07-06 10:33:43.850415000 +0800
+++ --ep/src/raster/blendSource/Makefile.am	2017-07-06 23:04:13.234433000 +0800
@@ -1,6 +1,6 @@
 # Copyright (C) Seiko Epson Corporation 2009.
 
-INCLUDES = \
+AM_CPPFLAGS = \
 	-I../ \
 	-I../../ \
 	-I../../memory