autoconf: Replace --disable-tools option with --disable-scepclient

Since using a separate option for pki this was the only tool that was still
enabled by that option.

src/Makefile.am

@@ -72,7 +72,7 @@ if USE_UPDOWN
   SUBDIRS += _updown _updown_espmark
 endif
 
-if USE_TOOLS
+if USE_SCEPCLIENT
   SUBDIRS += scepclient
 endif
 

src/checksum/Makefile.am

@@ -99,7 +99,7 @@ if USE_CMD
   exes += $(DESTDIR)$(sbindir)/charon-cmd
 endif
 
-if USE_TOOLS
+if USE_SCEPCLIENT
   exes += $(DESTDIR)$(ipsecdir)/scepclient
 endif
 

src/conftest/README

@@ -304,7 +304,7 @@ Compile time options required depend on the test suite. A minimalistic
 strongSwan build with the OpenSSL crypto backend can be configured with:
 
 ./configure --sysconfdir=/etc --disable-pluto --disable-scripts \
-  --disable-tools --disable-aes --disable-des --disable-md5 \
+  --disable-scepclient --disable-aes --disable-des --disable-md5 \
   --disable-sha1 --disable-sha2 --disable-fips-prf --disable-gmp \
   --disable-pubkey --disable-pgp --disable-dnskey --disable-updown \
   --disable-attr --disable-resolve --enable-openssl --enable-conftest \

src/starter/Makefile.am

@@ -48,7 +48,7 @@ if USE_LOAD_WARNING
   AM_CPPFLAGS += -DLOAD_WARNING
 endif
 
-if USE_TOOLS
+if USE_SCEPCLIENT
   AM_CPPFLAGS += -DGENERATE_SELFCERT
 endif