build: minimal build checks for c-ares

Co-Authored-By: Leonardo Di Donato <leodidonato@gmail.com>
Co-Authored-By: Leonardo Grasso <me@leonardograsso.com>
Signed-off-by: Lorenzo Fontana <fontanalorenz@gmail.com>

userspace/libsinsp/CMakeLists.txt

@@ -23,6 +23,10 @@ include_directories(./include)
 include_directories("${JSONCPP_INCLUDE}")
 include_directories("${LUAJIT_INCLUDE}")
 
+if(NOT MINIMAL_BUILD)
+	include_directories("${CARES_INCLUDE}")
+endif()
+
 if(NOT WIN32 AND NOT APPLE)
 	include_directories("${B64_INCLUDE}")
 	include_directories("${CURSES_INCLUDE_DIR}")
@@ -31,7 +35,6 @@ if(NOT WIN32 AND NOT APPLE)
 		include_directories("${PROTOBUF_INCLUDE}")
 		include_directories("${OPENSSL_INCLUDE_DIR}")
 		include_directories("${CURL_INCLUDE_DIR}")
-		include_directories("${CARES_INCLUDE}")
 	endif() # NOT MINIMAL_BUILD
 	include_directories("${JQ_INCLUDE}")
 	include_directories("${CMAKE_CURRENT_BINARY_DIR}")

userspace/libsinsp/addrinfo.cpp

@@ -15,7 +15,6 @@ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
 */
-#ifndef MINIMAL_BUILD
 #include "addrinfo.h"
 
 #include <ares.h>
@@ -38,4 +37,3 @@ void ares_cb(void *arg, int status, int timeouts, struct hostent *host)
         res->done = true;
     }
 }
-#endif // MINIMAL_BUILD

userspace/libsinsp/addrinfo.h

@@ -1,4 +1,3 @@
-
 /*
 Copyright (C) 2020 Sysdig Inc.
 
@@ -33,4 +32,4 @@ struct ares_cb_result
 
 void ares_cb(void *arg, int status, int timeouts, struct hostent *host);
 
-#endif // MINIMAL_BUILD
+#endif // MINIMAL_BUILD