File conky-1.10.1-check_include_file.patch of Package conky

Index: conky-1.10.1/cmake/ConkyPlatformChecks.cmake
===================================================================
--- conky-1.10.1.orig/cmake/ConkyPlatformChecks.cmake
+++ conky-1.10.1/cmake/ConkyPlatformChecks.cmake
@@ -141,7 +141,8 @@ if(BUILD_MYSQL)
 endif(BUILD_MYSQL)
 
 if(BUILD_WLAN)
-	check_include_file(iwlib.h IWLIB_H -D_GNU_SOURCE)
+	set(CMAKE_REQUIRED_DEFINITIONS -D_GNU_SOURCE)
+	check_include_files(iwlib.h IWLIB_H)
 	if(NOT IWLIB_H)
 		message(FATAL_ERROR "Unable to find iwlib.h")
 	endif(NOT IWLIB_H)