renamed xml plugin to smp to avoid confusion

added some dependency checks to configure
configure checks ClearSilver and fastcgi
cleanups in the build system here and there

src/scepclient/Makefile.am

@@ -25,9 +25,16 @@ scepclient_LDADD = asn1.o ca.o crl.o certs.o constants.o defs.o fetch.o id.o \
 
 # This compile option activates smartcard support
 if USE_SMARTCARD
+  AM_CFLAGS += -DSMARTCARD
   scepclient_LDADD += -ldl
 endif
 
+# This compile option activates dynamic URL fetching using libcurl
+if USE_CURL
+  AM_CFLAGS += -DLIBCURL
+  scepclient_LDADD += -lcurl
+endif
+
 dist_man_MANS = scepclient.8
 
 asn1.o :	$(PLUTODIR)/asn1.c $(PLUTODIR)/asn1.h