diff options
Diffstat (limited to '')
| -rw-r--r-- | m4/netdb_h.m4 | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/m4/netdb_h.m4 b/m4/netdb_h.m4 new file mode 100644 index 0000000..7b678cd --- /dev/null +++ b/m4/netdb_h.m4 @@ -0,0 +1,43 @@ +# netdb_h.m4 serial 11 +dnl Copyright (C) 2008-2018 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_HEADER_NETDB], +[ + AC_REQUIRE([gl_NETDB_H_DEFAULTS]) + gl_CHECK_NEXT_HEADERS([netdb.h]) + if test $ac_cv_header_netdb_h = yes; then + HAVE_NETDB_H=1 + else + HAVE_NETDB_H=0 + fi + AC_SUBST([HAVE_NETDB_H]) + + dnl Check for declarations of anything we want to poison if the + dnl corresponding gnulib module is not in use. + gl_WARN_ON_USE_PREPARE([[#include <netdb.h>]], + [getaddrinfo freeaddrinfo gai_strerror getnameinfo]) +]) + +AC_DEFUN([gl_NETDB_MODULE_INDICATOR], +[ + dnl Use AC_REQUIRE here, so that the default settings are expanded once only. + AC_REQUIRE([gl_NETDB_H_DEFAULTS]) + gl_MODULE_INDICATOR_SET_VARIABLE([$1]) + dnl Define it also as a C macro, for the benefit of the unit tests. + gl_MODULE_INDICATOR_FOR_TESTS([$1]) +]) + +AC_DEFUN([gl_NETDB_H_DEFAULTS], +[ + GNULIB_GETADDRINFO=0; AC_SUBST([GNULIB_GETADDRINFO]) + dnl Assume proper GNU behavior unless another module says otherwise. + HAVE_STRUCT_ADDRINFO=1; AC_SUBST([HAVE_STRUCT_ADDRINFO]) + HAVE_DECL_FREEADDRINFO=1; AC_SUBST([HAVE_DECL_FREEADDRINFO]) + HAVE_DECL_GAI_STRERROR=1; AC_SUBST([HAVE_DECL_GAI_STRERROR]) + HAVE_DECL_GETADDRINFO=1; AC_SUBST([HAVE_DECL_GETADDRINFO]) + HAVE_DECL_GETNAMEINFO=1; AC_SUBST([HAVE_DECL_GETNAMEINFO]) + REPLACE_GAI_STRERROR=0; AC_SUBST([REPLACE_GAI_STRERROR]) +]) |