diff -Naur libgeotiff-1.6.0.orig/bin/Makefile.am libgeotiff-1.6.0/bin/Makefile.am
--- libgeotiff-1.6.0.orig/bin/Makefile.am	2020-05-18 13:01:27.078949115 -0400
+++ libgeotiff-1.6.0/bin/Makefile.am	2020-05-18 13:03:10.903759320 -0400
@@ -12,9 +12,9 @@
 TIFF_CFLAGS = @TIFF_INC@ -DHAVE_TIFF=1
 endif
 
-AM_CFLAGS = -I../  -I$(srcdir)/.. -I$(srcdir)/../libxtiff $(TIFF_CFLAGS) @PROJ_INCLUDE@
+AM_CFLAGS = -I$(top_srcdir)  -I$(top_srcdir)/libxtiff $(TIFF_CFLAGS) @PROJ_INCLUDE@
 
-LDADD = ../libgeotiff.la
+LDADD = $(top_builddir)/libgeotiff.la
 
 EXTRA_DIST =    getopt.c
 
diff -Naur libgeotiff-1.6.0.orig/libxtiff/Makefile.am libgeotiff-1.6.0/libxtiff/Makefile.am
--- libgeotiff-1.6.0.orig/libxtiff/Makefile.am	2020-05-18 13:01:27.072282278 -0400
+++ libgeotiff-1.6.0/libxtiff/Makefile.am	2020-05-18 13:03:33.455220288 -0400
@@ -4,7 +4,7 @@
 TIFF_CFLAGS = @TIFF_INC@ -DHAVE_TIFF=1
 endif
 
-AM_CFLAGS = -I../ -I$(srcdir)/.. $(TIFF_CFLAGS) 
+AM_CFLAGS = -I$(top_srcdir) $(TIFF_CFLAGS) 
 
 libxtiff_la_SOURCES = xtiff.c
 
diff -Naur libgeotiff-1.6.0.orig/Makefile.am libgeotiff-1.6.0/Makefile.am
--- libgeotiff-1.6.0.orig/Makefile.am	2020-05-18 13:01:27.082282534 -0400
+++ libgeotiff-1.6.0/Makefile.am	2020-05-18 13:05:11.805886400 -0400
@@ -11,7 +11,7 @@
 TIFF_CFLAGS = @TIFF_INC@ -DHAVE_TIFF=1
 endif
 
-AM_CFLAGS = -I$(srcdir)/libxtiff $(PROJ_CFLAGS) $(TIFF_CFLAGS)
+AM_CFLAGS = -I$(top_srcdir)/libxtiff $(PROJ_CFLAGS) $(TIFF_CFLAGS)
 
 include_HEADERS =   geotiff.h \
                     geotiffio.h \
