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author | Ludovic Courtès <ludo@gnu.org> | 2011-10-22 16:24:32 +0200 |
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committer | Ludovic Courtès <ludo@gnu.org> | 2011-10-22 16:24:32 +0200 |
commit | 35428fb6b2d269dbfa2eec7d0739aec149bd4cc2 (patch) | |
tree | 03146c5871ad9b2167f3dffc89fdbb3082d7fc4e /m4/inet_ntop.m4 | |
parent | fe4ea6859e7d19a0fe2694a3fb49f4abb722afc1 (diff) | |
download | guile-35428fb6b2d269dbfa2eec7d0739aec149bd4cc2.tar.gz |
Update Gnulib to v0.0-6523-gb3609c1.
Diffstat (limited to 'm4/inet_ntop.m4')
-rw-r--r-- | m4/inet_ntop.m4 | 71 |
1 files changed, 46 insertions, 25 deletions
diff --git a/m4/inet_ntop.m4 b/m4/inet_ntop.m4 index 45be497be..4936fa382 100644 --- a/m4/inet_ntop.m4 +++ b/m4/inet_ntop.m4 @@ -1,4 +1,4 @@ -# inet_ntop.m4 serial 15 +# inet_ntop.m4 serial 19 dnl Copyright (C) 2005-2006, 2008-2011 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -6,39 +6,60 @@ dnl with or without modifications, as long as this notice is preserved. AC_DEFUN([gl_FUNC_INET_NTOP], [ + AC_REQUIRE([gl_ARPA_INET_H_DEFAULTS]) + dnl Persuade Solaris <arpa/inet.h> to declare inet_ntop. AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) + AC_REQUIRE([AC_C_RESTRICT]) + dnl Most platforms that provide inet_ntop define it in libc. dnl Solaris 8..10 provide inet_ntop in libnsl instead. + dnl Solaris 2.6..7 provide inet_ntop in libresolv instead. + dnl Native Windows provides it in -lws2_32 instead, with a declaration in + dnl <ws2tcpip.h>, and it uses stdcall calling convention, not cdecl + dnl (hence we cannot use AC_CHECK_FUNCS, AC_SEARCH_LIBS to find it). HAVE_INET_NTOP=1 - gl_save_LIBS=$LIBS - AC_SEARCH_LIBS([inet_ntop], [nsl], [], - [AC_CHECK_FUNCS([inet_ntop]) - if test $ac_cv_func_inet_ntop = no; then - HAVE_INET_NTOP=0 - fi - ]) - LIBS=$gl_save_LIBS - INET_NTOP_LIB= - if test "$ac_cv_search_inet_ntop" != "no" && - test "$ac_cv_search_inet_ntop" != "none required"; then - INET_NTOP_LIB="$ac_cv_search_inet_ntop" - fi - AC_SUBST([INET_NTOP_LIB]) + gl_PREREQ_SYS_H_WINSOCK2 + if test $HAVE_WINSOCK2_H = 1; then + AC_CHECK_DECLS([inet_ntop],,, [[#include <ws2tcpip.h>]]) + if test $ac_cv_have_decl_inet_ntop = yes; then + dnl It needs to be overridden, because the stdcall calling convention + dnl is not compliant with POSIX. + REPLACE_INET_NTOP=1 + INET_NTOP_LIB="-lws2_32" + else + HAVE_DECL_INET_NTOP=0 + HAVE_INET_NTOP=0 + fi + else + gl_save_LIBS=$LIBS + AC_SEARCH_LIBS([inet_ntop], [nsl resolv], [], + [AC_CHECK_FUNCS([inet_ntop]) + if test $ac_cv_func_inet_ntop = no; then + HAVE_INET_NTOP=0 + fi + ]) + LIBS=$gl_save_LIBS + + if test "$ac_cv_search_inet_ntop" != "no" \ + && test "$ac_cv_search_inet_ntop" != "none required"; then + INET_NTOP_LIB="$ac_cv_search_inet_ntop" + fi - AC_CHECK_HEADERS_ONCE([netdb.h]) - AC_CHECK_DECLS([inet_ntop],,, - [#include <arpa/inet.h> - #if HAVE_NETDB_H - # include <netdb.h> - #endif - ]) - if test $ac_cv_have_decl_inet_ntop = no; then - HAVE_DECL_INET_NTOP=0 - AC_REQUIRE([AC_C_RESTRICT]) + AC_CHECK_HEADERS_ONCE([netdb.h]) + AC_CHECK_DECLS([inet_ntop],,, + [[#include <arpa/inet.h> + #if HAVE_NETDB_H + # include <netdb.h> + #endif + ]]) + if test $ac_cv_have_decl_inet_ntop = no; then + HAVE_DECL_INET_NTOP=0 + fi fi + AC_SUBST([INET_NTOP_LIB]) ]) # Prerequisites of lib/inet_ntop.c. |