-# sys_select_h.m4 serial 9
+# sys_select_h.m4 serial 14
dnl Copyright (C) 2006-2010 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
])
fi
])
+ AC_CHECK_HEADERS_ONCE([sys/select.h])
+ dnl <sys/select.h> is always overridden, because of GNULIB_POSIXCHECK.
gl_CHECK_NEXT_HEADERS([sys/select.h])
if test $ac_cv_header_sys_select_h = yes; then
HAVE_SYS_SELECT_H=1
HAVE_SYS_SELECT_H=0
fi
AC_SUBST([HAVE_SYS_SELECT_H])
- if test $gl_cv_header_sys_select_h_selfcontained != yes; then
- gl_PREREQ_SYS_H_WINSOCK2
- fi
+ gl_PREREQ_SYS_H_WINSOCK2
+
+ 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([[
+/* Some systems require prerequisite headers. */
+#include <sys/types.h>
+#if !defined __GLIBC__ && HAVE_SYS_TIME_H
+# include <sys/time.h>
+#endif
+#include <sys/select.h>
+ ]], [select])
])
AC_DEFUN([gl_SYS_SELECT_MODULE_INDICATOR],
[
dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
AC_REQUIRE([gl_SYS_SELECT_H_DEFAULTS])
- GNULIB_[]m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./-],[ABCDEFGHIJKLMNOPQRSTUVWXYZ___])=1
+ 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_SYS_SELECT_H_DEFAULTS],