The commit on 2010-02-17 introduced a half comment in a macro and another half comment outside of declarations. This fixes it:
2011-04-30 Bruno Haible <br...@clisp.org> netdb: Fix invalid C syntax. * lib/netdb.in.h (AI_ADDRCONFIG): Fix comment syntax. --- lib/netdb.in.h.orig Sat Apr 30 11:38:04 2011 +++ lib/netdb.in.h Sat Apr 30 11:36:46 2011 @@ -98,7 +98,7 @@ # define AI_ALL 0 /* 0x0010: Return IPv4 mapped and IPv6 addresses. */ # endif # ifndef AI_ADDRCONFIG -# define AI_ADDRCONFIG 0 /* 0x0020: Use configuration of this host to choose +# define AI_ADDRCONFIG 0 /* 0x0020: Use configuration of this host to choose \ returned address type. */ # endif -- In memoriam Casey Jones <http://en.wikipedia.org/wiki/Casey_Jones>