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Diffstat (limited to '')
| -rw-r--r-- | m4/servent.m4 | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/m4/servent.m4 b/m4/servent.m4 new file mode 100644 index 0000000..2041c7e --- /dev/null +++ b/m4/servent.m4 @@ -0,0 +1,51 @@ +# servent.m4 serial 3 +dnl Copyright (C) 2008, 2010-2020 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. + +AC_DEFUN([gl_SERVENT], +[ + dnl Where are getservent(), setservent(), endservent(), getservbyname(), + dnl getservbyport() defined? + dnl Where are getprotoent(), setprotoent(), endprotoent(), getprotobyname(), + dnl getprotobynumber() defined? + dnl - On Solaris < 11.4, they are in libsocket. Ignore libxnet. + dnl - On Haiku, they are in libnetwork. + dnl - On BeOS, they are in libnet. + dnl - On native Windows, they are in ws2_32.dll. + dnl - Otherwise they are in libc. + AC_REQUIRE([gl_HEADER_SYS_SOCKET])dnl for HAVE_SYS_SOCKET_H, HAVE_WINSOCK2_H + SERVENT_LIB= + gl_saved_libs="$LIBS" + AC_SEARCH_LIBS([getservbyname], [socket network net], + [if test "$ac_cv_search_getservbyname" != "none required"; then + SERVENT_LIB="$ac_cv_search_getservbyname" + fi]) + LIBS="$gl_saved_libs" + if test -z "$SERVENT_LIB"; then + AC_CHECK_FUNCS([getservbyname], , [ + AC_CACHE_CHECK([for getservbyname in winsock2.h and -lws2_32], + [gl_cv_w32_getservbyname], + [gl_cv_w32_getservbyname=no + gl_save_LIBS="$LIBS" + LIBS="$LIBS -lws2_32" + AC_LINK_IFELSE( + [AC_LANG_PROGRAM( + [[ +#ifdef HAVE_WINSOCK2_H +#include <winsock2.h> +#endif +#include <stddef.h> + ]], + [[getservbyname(NULL,NULL);]])], + [gl_cv_w32_getservbyname=yes]) + LIBS="$gl_save_LIBS" + ]) + if test "$gl_cv_w32_getservbyname" = "yes"; then + SERVENT_LIB="-lws2_32" + fi + ]) + fi + AC_SUBST([SERVENT_LIB]) +]) |