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--- a/configure.ac
+++ b/configure.ac
@@ -80,6 +80,20 @@ gl_VISIBILITY
AC_CHECK_HEADERS([sys/klog.h])
AC_CHECK_FUNCS([klogctl])
+AC_CACHE_CHECK([for ioctl with POSIX signature],
+ [gl_cv_func_ioctl_posix_signature],
+ [AC_COMPILE_IFELSE(
+ [AC_LANG_PROGRAM(
+ [[#include <sys/ioctl.h>]],
+ [[int ioctl (int, int, ...);]])
+ ],
+ [gl_cv_func_ioctl_posix_signature=yes],
+ [gl_cv_func_ioctl_posix_signature=no])
+ ])
+if test "x$gl_cv_func_ioctl_posix_signature" = xyes; then
+ AC_DEFINE([HAVE_POSIX_IOCTL], [1], [Have ioctl with POSIX signature])
+fi
+
# Check host os
case "$host_os" in
linux*)
|
