diff --git a/makefile b/makefile
index bee51a1..b36a13a 100644
--- a/makefile
+++ b/makefile
@@ -90,6 +90,10 @@ install: $(LIBNAME)
 	install -d $(DESTDIR)$(INCPATH)
 	install -m 644 $(LIBNAME) $(DESTDIR)$(LIBPATH)
 	install -m 644 $(HEADERS_PUB) $(DESTDIR)$(INCPATH)
+	sed -e 's,^prefix=.*,prefix=$(PREFIX),' -e 's,^Version:.*,Version: $(VERSION_PC),' -e 's,@CMAKE_INSTALL_LIBDIR@,lib,' \
+		-e 's,@CMAKE_INSTALL_INCLUDEDIR@,include,' libtommath.pc.in > libtommath.pc
+	install -d $(DESTDIR)$(LIBPATH)/pkgconfig
+	install -m 644 libtommath.pc $(DESTDIR)$(LIBPATH)/pkgconfig/
 
 uninstall:
 	rm $(DESTDIR)$(LIBPATH)/$(LIBNAME)