# HG changeset patch
# User Giuseppe Scrivano <gscrivano@gnu.org>
# Date 1255937413 -7200
# Node ID 3f2f33c1c489bb20defe9b40344daf57f91c78ee
# Parent  f3ad15bb66b0f018e012b2674789e2543bc8dae8
Add extern "C" block for C++.

diff --git a/ChangeLog b/ChangeLog
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2009-10-19  Giuseppe Scrivano  <gscrivano@gnu.org>
+
+	* lib/nproc.h: Add extern "C" block for C++.
+
 2009-10-18  Reuben Thomas  <rrt@sc3d.org>
             Bruno Haible  <bruno@clisp.org>
 
diff --git a/lib/nproc.h b/lib/nproc.h
--- a/lib/nproc.h
+++ b/lib/nproc.h
@@ -18,4 +18,13 @@
 
 /* Written by Glen Lenker.  */
 
+/* Allow the use in C++ code.  */
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 unsigned long int num_processors (void);
+
+#ifdef __cplusplus
+}
+#endif /* C++ */