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autoconf test for dirfd and dd_fd

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Love Hornquist Astrand
2010-02-25 22:18:32 -08:00
parent 53024a5a22
commit 94a8d9c5e5
2 changed files with 24 additions and 1 deletions
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19
cf/roken-frag.m4
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@@ -392,6 +392,25 @@ AC_FOREACH([rk_func], [strsvis strsvisx strunvis strvis strvisx svis unvis vis],
#include <vis.h>
#endif], rk_func)])
AC_MSG_CHECKING([checking for dirfd])
AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
#ifdef HAVE_DIRENT_H
#include <dirent.h>
#endif
]],
[[DIR *d = 0; dirfd(d);]])],
[ac_rk_have_dirfd=yes], [ac_rk_have_dirfd=no])
if test "$ac_rk_have_dirfd" = "yes" ; then
AC_DEFINE_UNQUOTED(HAVE_DIRFD, 1, [have a dirfd function/macro])
fi
AC_MSG_RESULT($ac_rk_have_dirfd)
AC_HAVE_STRUCT_FIELD(struct dirent, dd_fd, [#include <sys/types.h>
#ifdef HAVE_DIRENT_H
#include <dirent.h>
#endif])
AC_BROKEN2(inet_aton,
[#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>