ucm: use closefrom instead of close_range

closefrom is a library function with a fallback mechanism for when the
kernel does not support the close_range syscall.

Also check for the function properly instead of assuming it is available
with _GNU_SOURCE defined.

Fixes: https://github.com/alsa-project/alsa-lib/issues/485
Signed-off-by: Mike Gilbert <floppym@gentoo.org>
This commit is contained in:
Mike Gilbert 2025-12-08 23:46:17 -05:00
parent 70e413c5bb
commit 40b417a037
2 changed files with 3 additions and 2 deletions

View file

@ -52,6 +52,7 @@ dnl Checks for library functions.
AC_PROG_GCC_TRADITIONAL
AC_CHECK_FUNCS([uselocale])
AC_CHECK_FUNCS([eaccess])
AC_CHECK_DECLS([closefrom])
dnl Enable largefile support
AC_SYS_LARGEFILE