diff options
Diffstat (limited to 'm4')
| -rw-r--r-- | m4/getaddrinfo.m4 | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/m4/getaddrinfo.m4 b/m4/getaddrinfo.m4 index 07f7896ee..f95bb1a93 100644 --- a/m4/getaddrinfo.m4 +++ b/m4/getaddrinfo.m4 @@ -18,5 +18,22 @@ AC_DEFUN([gl_PREREQ_GETADDRINFO], [ AC_REQUIRE([gl_C_RESTRICT]) AC_REQUIRE([gl_SOCKET_FAMILIES]) AC_REQUIRE([AC_C_INLINE]) - AC_CHECK_HEADERS_ONCE([netinet/in.h]) + AC_REQUIRE([AC_GNU_SOURCE]) + AC_CHECK_HEADERS_ONCE(sys/socket.h netdb.h sys/types.h netinet/in.h) + AC_CHECK_DECLS([getaddrinfo, freeaddrinfo, gai_strerror],,,[ +#ifdef HAVE_SYS_SOCKET_H +# include <sys/socket.h> +#endif +#ifdef HAVE_NETDB_H +# include <netdb.h> +#endif +]) + AC_CHECK_TYPES([struct addrinfo],,,[ +#ifdef HAVE_SYS_SOCKET_H +# include <sys/socket.h> +#endif +#ifdef HAVE_NETDB_H +# include <netdb.h> +#endif +]) ]) |