Add detecting of libfetch/libcurl for rcl.

CMakeLists.txt

 				DOC "Path to libutil header")
 ENDIF(LIBUTIL_LIBRARY)
 
+# Find libfetch (for FreeBSD)
+
+FIND_LIBRARY(LIBFETCH_LIBRARY NAMES fetch PATHS	PATH_SUFFIXES lib64 lib
+                  PATHS
+                      ~/Library/Frameworks
+                      /Library/Frameworks
+                      /usr/local
+                      /usr
+                      /sw
+                      /opt/local
+                      /opt/csw
+                      /opt
+                 DOC "Path where the libfetch library can be found")
+IF(LIBFETCH_LIBRARY)
+	FIND_FILE(HAVE_FETCH_H NAMES fetch.h PATHS /usr/include
+											   /opt/include
+											   /usr/local/include
+				DOC "Path to libfetch header")
+ELSE(LIBFETCH_LIBRARY)
+	# Try to find libcurl
+	INCLUDE(FindCURL)
+	IF(NOT CURL_FOUND)
+		MESSAGE(WARNING "Neither libcurl nor libfetch were found, no support of URL includes in configuration")
+	ELSE(NOT CURL_FOUND)
+		INCLUDE_DIRECTORIES("${CURL_INCLUDE_DIRS}")
+	ENDIF(NOT CURL_FOUND)
+ENDIF(LIBFETCH_LIBRARY)
+
 # Process with warn flags
 SET(CMAKE_C_WARN_FLAGS "")
 CHECK_C_COMPILER_FLAG(-Wall SUPPORT_WALL)

config.h.in

 #cmakedefine GLIB_HASH_COMPAT		 1
 #cmakedefine PARAM_H_HAS_BITSET  1
 
+#cmakedefine HAVE_FETCH_H        1
+#cmakedefine CURL_FOUND          1
+
 #if (defined(__i386__) || defined(__x86_64__)  || defined(_M_IX86))
 /* Use murmur hash for UTHash for these platforms */
 #define HASH_FUNCTION HASH_MUR
 #include <google/profiler.h>
 #endif
 
+#ifdef HAVE_FETCH_H
+#include <fetch.h>
+#elif defined(CURL_FOUND)
+#include <curl/curl.h>
+#endif
+
 #include <errno.h>
 #include <signal.h>
 #ifdef HAVE_SIGINFO_H

lib/CMakeLists.txt

 TARGET_LINK_LIBRARIES(rspamd-util pcre)
 TARGET_LINK_LIBRARIES(rspamd-util ${GLIB2_LIBRARIES})
 TARGET_LINK_LIBRARIES(rspamd-util event)
+IF(HAVE_FETCH_H)
+	TARGET_LINK_LIBRARIES(rspamd-util fetch)
+ELSE(HAVE_FETCH_H)
+	IF(CURL_FOUND)
+		TARGET_LINK_LIBRARIES(rspamd-util ${CURL_LIBRARIES})
+	ENDIF(CURL_FOUND)
+ENDIF(HAVE_FETCH_H)
 
 IF(NOT DEBIAN_BUILD)
 SET_TARGET_PROPERTIES(rspamd-util PROPERTIES VERSION ${RSPAMD_VERSION})