modff-ieee: Work around test failures on *BSD, IRIX, OSF/1, etc.

[gnulib.git] / m4 / modff-ieee.m4

diff --git a/m4/modff-ieee.m4 b/m4/modff-ieee.m4
new file mode 100644 (file)
index 0000000..7e0cc10
--- /dev/null
+++ b/m4/modff-ieee.m4
@@ -0,0 +1,15 @@
+# modff-ieee.m4 serial 1
+dnl Copyright (C) 2012 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.
+
+dnl This macro is in a separate file (not in modff.m4 and not inlined in the
+dnl module description), so that gl_FUNC_MODFF can test whether 'aclocal' has
+dnl found uses of this macro.
+
+AC_DEFUN([gl_FUNC_MODFF_IEEE],
+[
+  m4_divert_text([INIT_PREPARE], [gl_modff_required=ieee])
+  AC_REQUIRE([gl_FUNC_MODFF])
+])