configure: exclude some checks not needed on clippy host build

from David Lamparter

Signed-off-by: Lucian Cristian <lucian.cristian@gmail.com>

diff --git a/configure.ac b/configure.ac
index 16cc8901a331f37d209d9a27a4bbc886e377386d..911de537ecbaf9b608a03e5eb8559f2a2586097a 100755 (executable)
--- a/configure.ac
+++ b/configure.ac
@@ -40,7 +40,7 @@ AS_IF([test "$host" != "$build"], [
   ( CPPFLAGS="$HOST_CPPFLAGS"; \
     CFLAGS="$HOST_CFLAGS"; \
     LDFLAGS="$HOST_LDFLAGS"; \
-    cd hosttools; "${abssrc}/configure" "--host=$build" "--build=$build"; )
+    cd hosttools; "${abssrc}/configure" "--host=$build" "--build=$build" "--enable-clippy-only" "--disable-nhrpd" "--disable-vtysh"; )
 
   AC_MSG_NOTICE([...])
   AC_MSG_NOTICE([... cross-compilation: finished self-configuring for build platform tools])
@@ -392,7 +392,10 @@ AC_ARG_ENABLE([oldvpn_commands],
   AS_HELP_STRING([--enable-oldvpn-commands], [Keep old vpn commands]))
 AC_ARG_ENABLE(rpki,
   AS_HELP_STRING([--enable-rpki], [enable RPKI prefix validation support]))
+AC_ARG_ENABLE([clippy-only],
+  AS_HELP_STRING([--enable-clippy-only], [Only build clippy]))
 
+AS_IF([test "${enable_clippy_only}" != "yes"], [
 AC_CHECK_HEADERS(json-c/json.h)
 AC_CHECK_LIB(json-c, json_object_get, LIBS="$LIBS -ljson-c", [], [-lm])
 if test $ac_cv_lib_json_c_json_object_get = no; then
@@ -401,6 +404,7 @@ if test $ac_cv_lib_json_c_json_object_get = no; then
       AC_MSG_ERROR([lib json is needed to compile])
   fi
 fi
+])
 
 AC_ARG_ENABLE([dev_build],
     AS_HELP_STRING([--enable-dev-build], [build for development]))