New module 'ctype'.

[gnulib.git] / m4 / ctype.m4

diff --git a/m4/ctype.m4 b/m4/ctype.m4
new file mode 100644 (file)
index 0000000..51e5333
--- /dev/null
+++ b/m4/ctype.m4
@@ -0,0 +1,28 @@
+# ctype_h.m4 serial 1
+dnl Copyright (C) 2009 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_CTYPE_H],
+[
+  AC_REQUIRE([gl_CTYPE_H_DEFAULTS])
+  dnl Execute this unconditionally, because CTYPE_H may be set by other
+  dnl modules, after this code is executed.
+  gl_CHECK_NEXT_HEADERS([ctype.h])
+])
+
+AC_DEFUN([gl_CTYPE_MODULE_INDICATOR],
+[
+  dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
+  AC_REQUIRE([gl_CTYPE_H_DEFAULTS])
+  GNULIB_[]m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./-],[ABCDEFGHIJKLMNOPQRSTUVWXYZ___])=1
+])
+
+AC_DEFUN([gl_CTYPE_H_DEFAULTS],
+[
+  GNULIB_ISBLANK=0; AC_SUBST([GNULIB_ISBLANK])
+  dnl Assume proper GNU behavior unless another module says otherwise.
+  HAVE_ISBLANK=1;   AC_SUBST([HAVE_ISBLANK])
+  CTYPE_H='';       AC_SUBST([CTYPE_H])
+])