New module 'grantpt'.

[gnulib.git] / m4 / grantpt.m4

diff --git a/m4/grantpt.m4 b/m4/grantpt.m4
new file mode 100644 (file)
index 0000000..d7f5271
--- /dev/null
+++ b/m4/grantpt.m4
@@ -0,0 +1,25 @@
+# grantpt.m4 serial 1
+dnl Copyright (C) 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,
+dnl with or without modifications, as long as this notice is preserved.
+
+AC_DEFUN([gl_FUNC_GRANTPT],
+[
+  AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
+
+  dnl Persuade glibc <stdlib.h> to declare grantpt().
+  AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
+
+  AC_CHECK_FUNCS([grantpt])
+  if test $ac_cv_func_grantpt = no; then
+    HAVE_GRANTPT=0
+    AC_LIBOBJ([grantpt])
+    gl_PREREQ_GRANTPT
+  fi
+])
+
+# Prerequisites of lib/grantpt.c.
+AC_DEFUN([gl_PREREQ_GRANTPT], [
+  AC_CHECK_FUNCS([setrlimit])
+])