I am attempting to use the notification plugin with claws-mail 3.0.0. "Configure" seems to go OK, with no errors, but "make" produces the following output. I have no idea what i am doing wrong, and would be grateful for any help. [root@localhost notification_plugin-0.12.1]# make make all-recursive make[1]: Entering directory `/download/notification_plugin-0.12.1' Making all in m4 make[2]: Entering directory `/download/notification_plugin-0.12.1/m4' make[2]: Nothing to be done for `all'. make[2]: Leaving directory `/download/notification_plugin-0.12.1/m4' Making all in config make[2]: Entering directory `/download/notification_plugin-0.12.1/config' make[2]: Nothing to be done for `all'. make[2]: Leaving directory `/download/notification_plugin-0.12.1/config' Making all in src make[2]: Entering directory `/download/notification_plugin-0.12.1/src' /bin/sh ../libtool --tag=CC --mode=compile gcc -DHAVE_CONFIG_H -I. -I.. -I/usr/kerberos/include -I/usr/include/claws-mail -I/usr/include/claws-mail/common -I/usr/include/claws-mail/gtk -pthread -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include -I/usr/include/gtk-2.0 -I/usr/lib/gtk-2.0/include -I/usr/include/atk-1.0 -I/usr/include/cairo -I/usr/include/pango-1.0 -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include -DLOCALEDIR=\""/usr/share/locale"\" -g -O2 "-Wall" -MT notification_plugin_la-notification_plugin.lo -MD -MP -MF .deps/notification_plugin_la-notification_plugin.Tpo -c -o notification_plugin_la-notification_plugin.lo `test -f 'notification_plugin.c' || echo './'`notification_plugin.c gcc -DHAVE_CONFIG_H -I. -I.. -I/usr/kerberos/include -I/usr/include/claws-mail -I/usr/include/claws-mail/common -I/usr/include/claws-mail/gtk -pthread -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include -I/usr/include/gtk-2.0 -I/usr/lib/gtk-2.0/include -I/usr/include/atk-1.0 -I/usr/include/cairo -I/usr/include/pango-1.0 -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include -DLOCALEDIR=\"/usr/share/locale\" -g -O2 -Wall -MT notification_plugin_la-notification_plugin.lo -MD -MP -MF .deps/notification_plugin_la-notification_plugin.Tpo -c notification_plugin.c -fPIC -DPIC -o .libs/notification_plugin_la-notification_plugin.o In file included from /usr/include/claws-mail/prefs_account.h:26, from /usr/include/claws-mail/privacy.h:38, from /usr/include/claws-mail/procmime.h:74, from /usr/include/claws-mail/procmsg.h:175, from /usr/include/claws-mail/folder.h:134, from notification_plugin.c:27: /usr/include/claws-mail/common/ssl.h:36:28: error: openssl/crypto.h: No such file or directory /usr/include/claws-mail/common/ssl.h:37:26: error: openssl/x509.h: No such file or directory /usr/include/claws-mail/common/ssl.h:38:25: error: openssl/pem.h: No such file or directory /usr/include/claws-mail/common/ssl.h:39:25: error: openssl/ssl.h: No such file or directory /usr/include/claws-mail/common/ssl.h:40:25: error: openssl/err.h: No such file or directory /usr/include/claws-mail/common/ssl.h:41:25: error: openssl/evp.h: No such file or directory In file included from /usr/include/claws-mail/common/ssl.h:43, from /usr/include/claws-mail/prefs_account.h:26, from /usr/include/claws-mail/privacy.h:38, from /usr/include/claws-mail/procmime.h:74, from /usr/include/claws-mail/procmsg.h:175, from /usr/include/claws-mail/folder.h:134, from notification_plugin.c:27: /usr/include/claws-mail/common/socket.h:62: error: expected specifier-qualifier-list before 'SSL' make[2]: *** [notification_plugin_la-notification_plugin.lo] Error 1 make[2]: Leaving directory `/download/notification_plugin-0.12.1/src' make[1]: *** [all-recursive] Error 1 make[1]: Leaving directory `/download/notification_plugin-0.12.1' make: *** [all] Error 2 [root@localhost notification_plugin-0.12.1]# DP South australia