--- /dev/null
+diff -Nru yacas-1.0.54.orig/src/Makefile.am yacas-1.0.54/src/Makefile.am
+--- yacas-1.0.54.orig/src/Makefile.am Sun Jan 12 23:42:48 2003
++++ yacas-1.0.54/src/Makefile.am Mon Apr 7 12:33:37 2003
+@@ -114,25 +114,25 @@
+ test -z "yacasdebug" || rm -rf yacasdebug
+
+ install-data-local: yacas.h
+- $(mkinstalldirs) $(yacas_include)/
+- $(mkinstalldirs) $(yacas_lib)/
+- $(mkinstalldirs) $(yacas_include)/plat/
+- $(mkinstalldirs) $(yacas_include)/plat/linux32/
++ $(mkinstalldirs) $(DESTDIR)$(yacas_include)/
++ $(mkinstalldirs) $(DESTDIR)$(yacas_lib)/
++ $(mkinstalldirs) $(DESTDIR)$(yacas_include)/plat/
++ $(mkinstalldirs) $(DESTDIR)$(yacas_include)/plat/linux32/
+ -for file in $(srcdir)/*.h; do \
+ basefile=`basename $$file`; \
+- $(INSTALL_DATA) $$file $(yacas_include)/$$basefile; \
++ $(INSTALL_DATA) $$file $(DESTDIR)$(yacas_include)/$$basefile; \
+ done
+ -for file in $(srcdir)/*.inl; do \
+ basefile=`basename $$file`; \
+- $(INSTALL_DATA) $$file $(yacas_include)/$$basefile; \
++ $(INSTALL_DATA) $$file $(DESTDIR)$(yacas_include)/$$basefile; \
+ done
+ -for file in $(srcdir)/plat/linux32/*.h; do \
+ basefile=`basename $$file`; \
+- $(INSTALL_DATA) $$file $(yacas_include)/plat/linux32/$$basefile; \
++ $(INSTALL_DATA) $$file $(DESTDIR)$(yacas_include)/plat/linux32/$$basefile; \
+ done
+ -for file in $(srcdir)/plat/linux32/*.inl; do \
+ basefile=`basename $$file`; \
+- $(INSTALL_DATA) $$file $(yacas_include)/plat/linux32/$$basefile; \
++ $(INSTALL_DATA) $$file $(DESTDIR)$(yacas_include)/plat/linux32/$$basefile; \
+ done
+
+ version.h: ../config.h