$OpenBSD$
--- Makefile.orig	Thu Sep 10 15:44:23 2009
+++ Makefile	Thu Sep 10 15:44:46 2009
@@ -7,7 +7,7 @@ GOBJS    = main-gui.o gui.o unixtime.o gpx-read.o corr
 CFLAGS   = -Wall
 override CFLAGS += $(shell pkg-config --cflags libxml-2.0 gtk+-2.0) -I/usr/include/exiv2
 OFLAGS   = -Wall
-override OFLAGS += $(shell pkg-config --libs libxml-2.0 gtk+-2.0) -lm -lexiv2
+override OFLAGS += $(shell pkg-config --libs libxml-2.0 gtk+-2.0) -lstdc++ -lm -lexiv2
 prefix   = /usr/local
 bindir   = $(prefix)/bin
 mandir   = $(prefix)/share/man