--- libtomcrypt-1.18.1/makefile.shared.orig	2018-01-22 11:02:57.000000000 +0100
+++ libtomcrypt-1.18.1/makefile.shared	2018-04-13 19:26:45.534642643 +0200
@@ -63,7 +63,7 @@
 $(foreach demo, $(strip $(DEMOS)), $(eval $(call DEMO_template,$(demo))))
 
 install: $(call print-help,install,Installs the library + headers + pkg-config file) .common_install
-	sed -e 's,^prefix=.*,prefix=$(PREFIX),' -e 's,^Version:.*,Version: $(VERSION_PC),' libtomcrypt.pc.in > libtomcrypt.pc
+	sed -e 's,^prefix=.*,prefix=$(PREFIX),' -e 's,^libdir=.*,libdir=$(LIBPATH),' -e 's,^Version:.*,Version: $(VERSION_PC),' libtomcrypt.pc.in > libtomcrypt.pc
 	install -p -d $(DESTDIR)$(LIBPATH)/pkgconfig
 	install -p -m 644 libtomcrypt.pc $(DESTDIR)$(LIBPATH)/pkgconfig/