library: Move the mainloop guts into libopenconnect

Now the standalone openconnect binary only consists of main.c and xml.c.

Unfortunately openconnect_CFLAGS still needs to include the whole kitchen
sink, until we can remove openconnect-internal.h as a dependency.

Signed-off-by: Kevin Cernekee <cernekee@gmail.com>

Makefile.am

@@ -12,12 +12,12 @@ sbin_PROGRAMS = openconnect
 man8_MANS = openconnect.8
 
 AM_CPPFLAGS = -DLOCALEDIR="\"$(localedir)\""
-openconnect_SOURCES = xml.c main.c dtls.c cstp.c mainloop.c tun.c
+openconnect_SOURCES = xml.c main.c
 
 openconnect_CFLAGS = $(SSL_CFLAGS) $(DTLS_SSL_CFLAGS) $(LIBXML2_CFLAGS) $(LIBPROXY_CFLAGS) $(ZLIB_CFLAGS) $(LIBSTOKEN_CFLAGS) $(LIBOATH_CFLAGS)
-openconnect_LDADD = libopenconnect.la $(SSL_LIBS) $(DTLS_SSL_LIBS) $(LIBXML2_LIBS) $(LIBPROXY_LIBS) $(ZLIB_LIBS) $(LIBINTL) $(LIBSTOKEN_LIBS) $(LIBOATH_LIBS)
+openconnect_LDADD = libopenconnect.la $(LIBXML2_LIBS) $(LIBPROXY_LIBS) $(LIBINTL)
 
-library_srcs = ssl.c http.c auth.c library.c compat.c
+library_srcs = ssl.c http.c auth.c library.c compat.c dtls.c cstp.c mainloop.c tun.c
 lib_srcs_gnutls = gnutls.c gnutls_pkcs12.c gnutls_tpm.c
 lib_srcs_openssl = openssl.c
 
@@ -29,13 +29,9 @@ endif
 if OPENCONNECT_OPENSSL
 library_srcs += $(lib_srcs_openssl)
 endif
-
-# let the mainloop use ssl.c helper functions
-openconnect_SOURCES += $(library_srcs)
-
 libopenconnect_la_SOURCES = version.c $(library_srcs)
-libopenconnect_la_CFLAGS = $(SSL_CFLAGS) $(LIBXML2_CFLAGS) $(LIBPROXY_CFLAGS) $(P11KIT_CFLAGS) $(TSS_CFLAGS) $(LIBSTOKEN_CFLAGS) $(LIBOATH_CFLAGS)
-libopenconnect_la_LIBADD = $(SSL_LIBS) $(LIBXML2_LIBS) $(LIBPROXY_LIBS) $(LIBINTL) $(P11KIT_LIBS) $(TSS_LIBS) $(LIBSTOKEN_LIBS) $(LIBOATH_LIBS)
+libopenconnect_la_CFLAGS = $(SSL_CFLAGS) $(DTLS_SSL_CFLAGS) $(LIBXML2_CFLAGS) $(LIBPROXY_CFLAGS) $(ZLIB_CFLAGS) $(P11KIT_CFLAGS) $(TSS_CFLAGS) $(LIBSTOKEN_CFLAGS) $(LIBOATH_CFLAGS)
+libopenconnect_la_LIBADD = $(SSL_LIBS) $(DTLS_SSL_LIBS) $(LIBXML2_LIBS) $(LIBPROXY_LIBS) $(ZLIB_LIBS) $(LIBINTL) $(P11KIT_LIBS) $(TSS_LIBS) $(LIBSTOKEN_LIBS) $(LIBOATH_LIBS)
 if OPENBSD_LIBTOOL
 # OpenBSD's libtool doesn't have -version-number, but its -version-info arg
 # does what GNU libtool's -version-number does. Which arguably is what the