--- a/libpurple/Makefile.am	Mon Jun 09 00:14:40 2008 +0000
+++ b/libpurple/Makefile.am	Mon Jun 09 02:10:18 2008 +0000
@@ -261,3 +261,9 @@
 	$(DBUS_CFLAGS) \
 	$(LIBXML_CFLAGS) \
 	$(NETWORKMANAGER_CFLAGS)
+
+# INSTALL_SSL_CERTIFICATES is true when SSL_CERTIFICATES_DIR is empty.
+# We want to use SSL_CERTIFICATES_DIR when it's not empty.
+if ! INSTALL_SSL_CERTIFICATES
+AM_CPPFLAGS += -DSSL_CERTIFICATES_DIR=\"$(SSL_CERTIFICATES_DIR)\"
+endif