diff -Naur xforms-1.2.3.orig/fdesign/Makefile.am xforms-1.2.3/fdesign/Makefile.am
--- xforms-1.2.3.orig/fdesign/Makefile.am	2019-02-24 12:58:51.968645873 +0000
+++ xforms-1.2.3/fdesign/Makefile.am	2019-02-24 13:00:48.500635163 +0000
@@ -11,7 +11,7 @@
 fdesign.1:
 	cp -p $(srcdir)/fdesign.man fdesign.1
 
-INCLUDES = -I./xpm $(X_CFLAGS)
+INCLUDES = -I./xpm -I$(srcdir)/xpm $(X_CFLAGS)
 
 bin_PROGRAMS = fdesign