$FreeBSD$

--- Makefile.in.orig
+++ Makefile.in
@@ -522,9 +522,9 @@
 		$(LIBTOOL) --mode=install $(INSTALL) pcregrep@EXEEXT@ $(DESTDIR)$(BINDIR)/pcregrep@EXEEXT@
 		$(LIBTOOL) --mode=install $(INSTALL) pcretest@EXEEXT@ $(DESTDIR)$(BINDIR)/pcretest@EXEEXT@
 		$(INSTALL) pcre-config $(DESTDIR)$(BINDIR)/pcre-config
-		$(mkinstalldirs) $(DESTDIR)$(LIBDIR)/pkgconfig
-		$(INSTALL_DATA) libpcre.pc $(DESTDIR)$(LIBDIR)/pkgconfig/libpcre.pc
-		$(INSTALL_DATA) libpcrecpp.pc $(DESTDIR)$(LIBDIR)/pkgconfig/libpcrecpp.pc
+		$(mkinstalldirs) $(DESTDIR)$(prefix)/libdata/pkgconfig
+		$(INSTALL_DATA) libpcre.pc $(DESTDIR)$(prefix)/libdata/pkgconfig/libpcre.pc
+		$(INSTALL_DATA) libpcrecpp.pc $(DESTDIR)$(prefix)/libdata/pkgconfig/libpcrecpp.pc
 
 # The uninstall target removes all the files that were installed.