Analyse following RPM build log snippet. Describe contents accurately, without speculation or suggestions for resolution.            
Your analysis must be as concise as possible, while keeping relevant information intact.
Snippet: 
*** error: gettext infrastructure mismatch: using a Makefile.in.in from gettext version 0.20 but the autoconf macros are from gettext version 0.22
make[2]: *** [Makefile:248: stamp-po] Error 1
make[1]: *** [Makefile:419: all-recursive] Error 1
make: *** [Makefile:360: all] Error 2
You are using macros from autotools 0.22 but gettext is in version 0.20.