diff options
Diffstat (limited to 'gl/m4/getaddrinfo.m4')
| -rw-r--r-- | gl/m4/getaddrinfo.m4 | 96 |
1 files changed, 66 insertions, 30 deletions
diff --git a/gl/m4/getaddrinfo.m4 b/gl/m4/getaddrinfo.m4 index 5d36c195..40886719 100644 --- a/gl/m4/getaddrinfo.m4 +++ b/gl/m4/getaddrinfo.m4 @@ -1,5 +1,5 @@ -# getaddrinfo.m4 serial 15 -dnl Copyright (C) 2004, 2005, 2006, 2007 Free Software Foundation, Inc. +# getaddrinfo.m4 serial 20 +dnl Copyright (C) 2004-2009 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. @@ -7,11 +7,23 @@ dnl with or without modifications, as long as this notice is preserved. AC_DEFUN([gl_GETADDRINFO], [ AC_REQUIRE([gl_HEADER_SYS_SOCKET])dnl for HAVE_SYS_SOCKET_H, HAVE_WINSOCK2_H + AC_REQUIRE([gl_HEADER_NETDB])dnl for HAVE_NETDB_H AC_MSG_NOTICE([checking how to do getaddrinfo, freeaddrinfo and getnameinfo]) + GETADDRINFO_LIB= + gai_saved_LIBS="$LIBS" - AC_CHECK_HEADERS_ONCE(netdb.h) + dnl Where is getaddrinfo()? + dnl - On Solaris, it is in libsocket. + dnl - On Haiku, it is in libnetwork. + dnl - On BeOS, it is in libnet. + dnl - On native Windows, it is in ws2_32.dll. + dnl - Otherwise it is in libc. + AC_SEARCH_LIBS([getaddrinfo], [socket network net], + [if test "$ac_cv_search_getaddrinfo" != "none required"; then + GETADDRINFO_LIB="$ac_cv_search_getaddrinfo" + fi]) + LIBS="$gai_saved_LIBS $GETADDRINFO_LIB" - AC_SEARCH_LIBS(getaddrinfo, [nsl socket]) AC_CACHE_CHECK([for getaddrinfo], [gl_cv_func_getaddrinfo], [ AC_TRY_LINK([ #include <sys/types.h> @@ -26,7 +38,7 @@ AC_DEFUN([gl_GETADDRINFO], [gl_cv_func_getaddrinfo=yes], [gl_cv_func_getaddrinfo=no])]) if test $gl_cv_func_getaddrinfo = no; then - AC_CACHE_CHECK(for getaddrinfo in ws2tcpip.h and -lws2_32, + AC_CACHE_CHECK([for getaddrinfo in ws2tcpip.h and -lws2_32], gl_cv_w32_getaddrinfo, [ gl_cv_w32_getaddrinfo=no am_save_LIBS="$LIBS" @@ -37,11 +49,13 @@ AC_DEFUN([gl_GETADDRINFO], #endif #include <stddef.h> ], [getaddrinfo(NULL, NULL, NULL, NULL);], gl_cv_w32_getaddrinfo=yes) - LIBS="$am_save_LIBS"]) + LIBS="$am_save_LIBS" + ]) if test "$gl_cv_w32_getaddrinfo" = "yes"; then - LIBS="$LIBS -lws2_32" + GETADDRINFO_LIB="-lws2_32" + LIBS="$gai_saved_LIBS $GETADDRINFO_LIB" else - AC_LIBOBJ(getaddrinfo) + AC_LIBOBJ([getaddrinfo]) fi fi @@ -66,40 +80,34 @@ AC_DEFUN([gl_GETADDRINFO], [gl_cv_func_gai_strerror=yes], [gl_cv_func_gai_strerror=no])]) if test $gl_cv_func_gai_strerror = no; then - AC_LIBOBJ(gai_strerror) + AC_LIBOBJ([gai_strerror]) fi + LIBS="$gai_saved_LIBS" + gl_PREREQ_GETADDRINFO + + AC_SUBST([GETADDRINFO_LIB]) ]) -# Prerequisites of lib/getaddrinfo.h and lib/getaddrinfo.c. +# Prerequisites of lib/netdb.in.h and lib/getaddrinfo.c. AC_DEFUN([gl_PREREQ_GETADDRINFO], [ + AC_REQUIRE([gl_NETDB_H_DEFAULTS]) AC_REQUIRE([gl_HEADER_SYS_SOCKET])dnl for HAVE_SYS_SOCKET_H, HAVE_WINSOCK2_H - AC_SEARCH_LIBS(gethostbyname, [inet nsl]) - AC_SEARCH_LIBS(getservbyname, [inet nsl socket xnet]) - AC_CHECK_FUNCS(gethostbyname,, [ - AC_CACHE_CHECK(for gethostbyname in winsock2.h and -lws2_32, - gl_cv_w32_gethostbyname, [ - gl_cv_w32_gethostbyname=no - am_save_LIBS="$LIBS" - LIBS="$LIBS -lws2_32" - AC_TRY_LINK([ -#ifdef HAVE_WINSOCK2_H -#include <winsock2.h> -#endif -#include <stddef.h> -], [gethostbyname(NULL);], gl_cv_w32_gethostbyname=yes) - LIBS="$am_save_LIBS"]) - if test "$gl_cv_w32_gethostbyname" = "yes"; then - LIBS="$LIBS -lws2_32" - fi - ]) + AC_REQUIRE([gl_HOSTENT]) dnl for HOSTENT_LIB + AC_REQUIRE([gl_SERVENT]) dnl for SERVENT_LIB AC_REQUIRE([AC_C_RESTRICT]) AC_REQUIRE([gl_SOCKET_FAMILIES]) AC_REQUIRE([gl_HEADER_SYS_SOCKET]) AC_REQUIRE([AC_C_INLINE]) AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS]) - AC_CHECK_HEADERS_ONCE(netinet/in.h netdb.h) + + dnl Including sys/socket.h is wrong for Windows, but Windows does not + dnl have sa_len so the result is correct anyway. + AC_CHECK_MEMBERS([struct sockaddr.sa_len], , , [#include <sys/socket.h>]) + + AC_CHECK_HEADERS_ONCE([netinet/in.h]) + AC_CHECK_DECLS([getaddrinfo, freeaddrinfo, gai_strerror, getnameinfo],,,[ /* sys/types.h is not needed according to POSIX, but the sys/socket.h in i386-unknown-freebsd4.10 and @@ -115,6 +123,19 @@ AC_DEFUN([gl_PREREQ_GETADDRINFO], [ #include <ws2tcpip.h> #endif ]) + if test $ac_cv_have_decl_getaddrinfo = no; then + HAVE_DECL_GETADDRINFO=0 + fi + if test $ac_cv_have_decl_freeaddrinfo = no; then + HAVE_DECL_FREEADDRINFO=0 + fi + if test $ac_cv_have_decl_gai_strerror = no; then + HAVE_DECL_GAI_STRERROR=0 + fi + if test $ac_cv_have_decl_getnameinfo = no; then + HAVE_DECL_GETNAMEINFO=0 + fi + AC_CHECK_TYPES([struct addrinfo],,,[ #include <sys/types.h> #ifdef HAVE_SYS_SOCKET_H @@ -127,4 +148,19 @@ AC_DEFUN([gl_PREREQ_GETADDRINFO], [ #include <ws2tcpip.h> #endif ]) + if test $ac_cv_type_struct_addrinfo = no; then + HAVE_STRUCT_ADDRINFO=0 + fi + + dnl Append $HOSTENT_LIB to GETADDRINFO_LIB, avoiding gratuitous duplicates. + case " $GETADDRINFO_LIB " in + *" $HOSTENT_LIB "*) ;; + *) GETADDRINFO_LIB="$GETADDRINFO_LIB $HOSTENT_LIB" ;; + esac + + dnl Append $SERVENT_LIB to GETADDRINFO_LIB, avoiding gratuitous duplicates. + case " $GETADDRINFO_LIB " in + *" $SERVENT_LIB "*) ;; + *) GETADDRINFO_LIB="$GETADDRINFO_LIB $SERVENT_LIB" ;; + esac ]) |