FYI: make lt_dlexit.at work with C++ compiler

[Ralf Wildenhues]

I'm applying the usual goo that I forgot to make this test pass with
CC=g++.

Cheers,
Ralf

2007-02-12  Ralf Wildenhues  <address@hidden>

        * tests/lt_dlexit.at: Add casts and `extern "C"' to let the test
        pass with a C++ compiler.

Index: tests/lt_dlexit.at
===================================================================
RCS file: /cvsroot/libtool/libtool/tests/lt_dlexit.at,v
retrieving revision 1.4
diff -u -r1.4 lt_dlexit.at
--- tests/lt_dlexit.at  12 Feb 2007 19:55:02 -0000      1.4
+++ tests/lt_dlexit.at  12 Feb 2007 20:09:17 -0000
@@ -52,8 +52,8 @@
 static int
 xdlsymtest (lt_dlhandle handle, const char *func, const char *var)
 {
-  pfun_T pf = lt_dlsym (handle, func);
-  pvar_T pv = lt_dlsym (handle, var);
+  pfun_T pf = (pfun_T) lt_dlsym (handle, func);
+  pvar_T pv = (pvar_T) lt_dlsym (handle, var);
   if (pf == NULL) {
     fprintf (stderr, "function `%s' not found\n", func);
     return 1;
@@ -104,14 +104,26 @@
 
 
 AT_DATA([a1.c],
-[[int f1 (int x) { return x - 1; }
+[[#ifdef __cplusplus
+extern "C" {
+#endif
+int f1 (int x) { return x - 1; }
 int v1 = 1;
+#ifdef __cplusplus
+}
+#endif
 ]])
 
 AT_DATA([b1.c],
-[[extern int f1 (int), v1;
+[[#ifdef __cplusplus
+extern "C" {
+#endif
+extern int f1 (int), v1;
 int fb1 (int x) { return f1 (v1) + x - 3; }
 int vb1 = 3;
+#ifdef __cplusplus
+}
+#endif
 ]])
 
 : ${LTDLINCL="-I$abs_top_srcdir/libltdl"}