New module 'wcswidth'.

[gnulib.git] / m4 / wcswidth.m4

diff --git a/m4/wcswidth.m4 b/m4/wcswidth.m4
new file mode 100644 (file)
index 0000000..80ccf3f
--- /dev/null
+++ b/m4/wcswidth.m4
@@ -0,0 +1,24 @@
+# wcswidth.m4 serial 1
+dnl Copyright (C) 2011 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_WCSWIDTH],
+[
+  AC_REQUIRE([gl_WCHAR_H_DEFAULTS])
+  AC_REQUIRE([gl_FUNC_WCWIDTH])
+  AC_CHECK_FUNCS_ONCE([wcswidth])
+  if test $ac_cv_func_wcswidth = no; then
+    HAVE_WCSWIDTH=0
+  else
+    if test $REPLACE_WCWIDTH = 1; then
+      dnl If wcwidth needed to be replaced, wcswidth needs to be replaced
+      dnl as well.
+      REPLACE_WCSWIDTH=1
+    fi
+  fi
+  if test $HAVE_WCSWIDTH = 0 || test $REPLACE_WCSWIDTH = 1; then
+    AC_LIBOBJ([wcswidth])
+  fi
+])