Another workaround for pcre jit.

CMakeLists.txt

@@ -489,7 +489,11 @@ IF(GMIME2_VERSION VERSION_GREATER "2.4.0")
     SET(GMIME24 1)
 ENDIF(GMIME2_VERSION VERSION_GREATER "2.4.0")
 LIST(APPEND CMAKE_REQUIRED_INCLUDES "${PCRE_INCLUDE}")
-SET(CMAKE_REQUIRED_LIBRARIES "${CMAKE_REQUIRED_LIBRARIES};-L${PCRE_LIBRARY};-lpcre")
+IF(PCRE_LIBRARY)
+	SET(CMAKE_REQUIRED_LIBRARIES "${CMAKE_REQUIRED_LIBRARIES};-L${PCRE_LIBRARY};-lpcre")
+ELSE(PCRE_LIBRARY)
+	SET(CMAKE_REQUIRED_LIBRARIES "${CMAKE_REQUIRED_LIBRARIES};-lpcre")
+ENDIF(PCRE_LIBRARY)
 # Libhiredis pc file is so special
 FIND_PATH(LIBHIREDIS_INCLUDE hiredis.h 
 		HINTS "${RSPAMD_SEARCH_PATH}"