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Modernize checks for dirfd/dd_fd

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Part of a patch by Javier Jardón.

Bug: https://bugs.freedesktop.org/show_bug.cgi?id=32245
Reviewed-by: Simon McVittie <simon.mcvittie@collabora.co.uk>
This commit is contained in:
Simon McVittie 2011-02-24 15:45:31 +00:00
parent ff04d7397a
commit cc2c19c164
1 changed files with 10 additions and 8 deletions
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18
configure.ac
View file

@ -491,32 +491,34 @@ AC_RUN_IFELSE([AC_LANG_SOURCE([[
AC_MSG_RESULT($broken_poll) AC_MSG_RESULT($broken_poll)
AC_MSG_CHECKING(for dirfd) AC_MSG_CHECKING(for dirfd)
AC_TRY_LINK([ AC_LINK_IFELSE([AC_LANG_PROGRAM([[
#include <sys/types.h> #include <sys/types.h>
#include <dirent.h> #include <dirent.h>
],[ ]], [[
DIR *dirp; DIR *dirp;
dirp = opendir("."); dirp = opendir(".");
dirfd(dirp); dirfd(dirp);
closedir(dirp); closedir(dirp);
], ]])],
dbus_have_dirfd=yes, dbus_have_dirfd=no) [dbus_have_dirfd=yes],
[dbus_have_dirfd=no])
AC_MSG_RESULT($dbus_have_dirfd) AC_MSG_RESULT($dbus_have_dirfd)
if test "$dbus_have_dirfd" = yes; then if test "$dbus_have_dirfd" = yes; then
AC_DEFINE(HAVE_DIRFD,1,[Have dirfd function]) AC_DEFINE(HAVE_DIRFD,1,[Have dirfd function])
else else
AC_MSG_CHECKING(for DIR *dirp->dd_fd) AC_MSG_CHECKING(for DIR *dirp->dd_fd)
AC_TRY_LINK([ AC_LINK_IFELSE([AC_LANG_PROGRAM([[
#include <sys/types.h> #include <sys/types.h>
#include <dirent.h> #include <dirent.h>
],[ ]], [[
DIR *dirp; DIR *dirp;
int fd; int fd;
dirp = opendir("."); dirp = opendir(".");
fd = dirp->dd_fd; fd = dirp->dd_fd;
closedir(dirp); closedir(dirp);
], ]])],
dbus_have_ddfd=yes, dbus_have_ddfd=no) [dbus_have_ddfd=yes],
[dbus_have_ddfd=no])
AC_MSG_RESULT($dbus_have_ddfd) AC_MSG_RESULT($dbus_have_ddfd)
if test "$dbus_have_ddfd" = yes; then if test "$dbus_have_ddfd" = yes; then
AC_DEFINE(HAVE_DDFD,1,[Have the ddfd member of DIR]) AC_DEFINE(HAVE_DDFD,1,[Have the ddfd member of DIR])