diff -uNr eweather/configure.ac eweatherp/configure.ac
--- eweather/configure.ac	2012-10-16 16:53:16.000000000 +0300
+++ eweatherp/configure.ac	2013-01-10 15:34:25.603320130 +0200
@@ -66,7 +66,7 @@
 
 ### Checks for programs
 
-AM_PROG_CC_STDC
+AC_PROG_CC
 
 # pkg-config
 PKG_PROG_PKG_CONFIG