diff --git a/cmake/Conky.cmake b/cmake/Conky.cmake
index 62465bb2..65204d28 100644
--- a/cmake/Conky.cmake
+++ b/cmake/Conky.cmake
@@ -128,18 +128,19 @@ macro(AC_SEARCH_LIBS FUNCTION_NAME INCLUDES TARGET_VAR)
 		check_symbol_exists(${FUNCTION_NAME} ${INCLUDES} AC_SEARCH_LIBS_TMP)
 		if(${AC_SEARCH_LIBS_TMP})
 			set(${TARGET_VAR} "" CACHE INTERNAL "Library containing ${FUNCTION_NAME}")
-			return()
+		else(${AC_SEARCH_LIBS_TMP})
+			foreach(LIB ${ARGN})
+				unset(AC_SEARCH_LIBS_TMP CACHE)
+				unset(AC_SEARCH_LIBS_FOUND CACHE)
+				find_library(AC_SEARCH_LIBS_TMP ${LIB})
+				check_library_exists(${LIB} ${FUNCTION_NAME} ${AC_SEARCH_LIBS_TMP}
+									AC_SEARCH_LIBS_FOUND)
+				if(${AC_SEARCH_LIBS_FOUND})
+					set(${TARGET_VAR} ${AC_SEARCH_LIBS_TMP} CACHE INTERNAL
+							"Library containing ${FUNCTION_NAME}")
+					break()
+				endif(${AC_SEARCH_LIBS_FOUND})
+			endforeach(LIB)
 		endif(${AC_SEARCH_LIBS_TMP})
-
-		foreach(LIB ${ARGN})
-			unset(AC_SEARCH_LIBS_TMP CACHE)
-			unset(AC_SEARCH_LIBS_FOUND CACHE)
-			find_library(AC_SEARCH_LIBS_TMP ${LIB})
-			check_library_exists(${LIB} ${FUNCTION_NAME} ${AC_SEARCH_LIBS_TMP} AC_SEARCH_LIBS_FOUND)
-			if(${AC_SEARCH_LIBS_FOUND})
-				set(${TARGET_VAR} ${AC_SEARCH_LIBS_TMP} CACHE INTERNAL "Library containing ${FUNCTION_NAME}")
-				break()
-			endif(${AC_SEARCH_LIBS_FOUND})
-		endforeach(LIB)
 	endif("${TARGET_VAR}" MATCHES "^${TARGET_VAR}$")
 endmacro(AC_SEARCH_LIBS)
diff --git a/cmake/ConkyPlatformChecks.cmake b/cmake/ConkyPlatformChecks.cmake
index 1f2e4bf0..61e87af1 100644
--- a/cmake/ConkyPlatformChecks.cmake
+++ b/cmake/ConkyPlatformChecks.cmake
@@ -39,9 +39,9 @@ check_symbol_exists(O_CLOEXEC "fcntl.h" HAVE_O_CLOEXEC)
 check_symbol_exists(statfs64 "sys/statfs.h" HAVE_STATFS64)
 
 AC_SEARCH_LIBS(clock_gettime "time.h" CLOCK_GETTIME_LIB "rt")
-if(NOT CLOCK_GETTIME_LIB)
+if(NOT DEFINED CLOCK_GETTIME_LIB)
 	message(FATAL_ERROR "clock_gettime not found.")
-endif(NOT CLOCK_GETTIME_LIB)
+endif(NOT DEFINED CLOCK_GETTIME_LIB)
 set(conky_libs ${conky_libs} ${CLOCK_GETTIME_LIB})
 
 # standard path to search for includes