diff -up libpgf/configure.ac.auto libpgf/configure.ac
--- libpgf/configure.ac.auto	2014-03-21 07:51:59.000000000 -0600
+++ libpgf/configure.ac	2015-02-23 12:28:53.125766559 -0700
@@ -1,4 +1,5 @@
-AC_INIT(src/PGFimage.cpp)
+AC_INIT([libpgf], [6.14.12])
+AC_CONFIG_SRCDIR([src/PGFimage.cpp])
 
 dnl The library interface version
 dnl see documentation for versioning in the libtool manual
@@ -24,9 +25,10 @@ PACKAGE_RELEASE=2
 
 AC_SUBST(PACKAGE_RELEASE)
 
-AM_INIT_AUTOMAKE(libpgf,6.14.12)
+AM_INIT_AUTOMAKE
 AC_PROG_LIBTOOL
-AC_CONFIG_HEADERS( config.h )
+AC_CONFIG_MACRO_DIR([m4])
+AC_CONFIG_HEADERS( [config.h] )
 AC_PROG_CXX
 
 dnl Check for doxygen support
diff -up libpgf/Makefile.am.auto libpgf/Makefile.am
--- libpgf/Makefile.am.auto	2013-10-25 05:24:18.000000000 -0600
+++ libpgf/Makefile.am	2015-02-23 12:26:04.338856680 -0700
@@ -19,6 +19,8 @@ RPMEXTRACONFOPT="--disable-dependency-tr
 
 RPMRELEASE=$(PACKAGE_RELEASE)
 
+ACLOCAL_AMFLAGS = -I m4
+
 install-data-local:: $(PACKAGE).pc
 	$(mkinstalldirs) $(DESTDIR)$(libdir)/pkgconfig
 	$(INSTALL) -m 644 $(PACKAGE).pc $(DESTDIR)$(libdir)/pkgconfig/$(PACKAGE).pc
diff -up libpgf/src/Makefile.am.auto libpgf/src/Makefile.am
--- libpgf/src/Makefile.am.auto	2013-10-25 05:24:17.000000000 -0600
+++ libpgf/src/Makefile.am	2015-02-23 12:26:04.338856680 -0700
@@ -1,4 +1,4 @@
-INCLUDES	=  -I$(top_srcdir)/include # @PGFCODEC_CFLAGS@
+AM_CPPFLAGS	=  -I$(top_srcdir)/include # @PGFCODEC_CFLAGS@
 
 lib_LTLIBRARIES = libpgf.la
 libpgf_la_LDFLAGS = -version-info @INTERFACE_VERSION@