Support for --enable-csharp configure option.

diff --git a/gettext-tools/m4/csharp.m4 b/gettext-tools/m4/csharp.m4
new file mode 100644 (file)
index 0000000..bcf39d1
--- /dev/null
+++ b/gettext-tools/m4/csharp.m4
@@ -0,0 +1,30 @@
+# csharp.m4 serial 1 (gettext-0.13.2)
+dnl Copyright (C) 2004 Free Software Foundation, Inc.
+dnl This file is free software, distributed under the terms of the GNU
+dnl General Public License.  As a special exception to the GNU General
+dnl Public License, this file may be distributed as part of a program
+dnl that contains a configuration script generated by Autoconf, under
+dnl the same distribution terms as the rest of that program.
+
+# Sets CSHARP_CHOICE to the preferred C# implementation:
+# 'pnet' or 'mono' or 'any' or 'no'.
+AC_DEFUN([gt_CSHARP_CHOICE],
+[
+  AC_MSG_CHECKING([for preferred C[#] implementation])
+  AC_ARG_ENABLE(csharp,
+    [  --enable-csharp[[=IMPL]]  choose preferred C[#] implementation (pnet or mono)],
+    [CSHARP_CHOICE="$enableval"],
+    CSHARP_CHOICE=any)
+  AC_SUBST(CSHARP_CHOICE)
+  AC_MSG_RESULT([$CSHARP_CHOICE])
+  case "$CSHARP_CHOICE" in
+    pnet)
+      AC_DEFINE([CSHARP_CHOICE_PNET], 1,
+        [Define if pnet is the preferred C[#] implementation.])
+      ;;
+    mono)
+      AC_DEFINE([CSHARP_CHOICE_MONO], 1,
+        [Define if mono is the preferred C[#] implementation.])
+      ;;
+  esac
+])