MSVS: fix linkage

diff --git a/bundled/umfpack/AMD/Source/amd_global.cc b/bundled/umfpack/AMD/Source/amd_global.cc
index 93f2b45187a544f56d61b17967c8ceee3debf9ec..92bf72c2ae790325a82d02479ced30105fb8b527 100644 (file)
--- a/bundled/umfpack/AMD/Source/amd_global.cc
+++ b/bundled/umfpack/AMD/Source/amd_global.cc
@@ -20,6 +20,8 @@
 #define NULL 0
 #endif
 
+extern "C" {
+
 /* ========================================================================= */
 /* === Default AMD memory manager ========================================== */
 /* ========================================================================= */
@@ -82,3 +84,5 @@ int (*amd_printf) (const char *, ...) = printf ;
 #else
 int (*amd_printf) (const char *, ...) = NULL ;
 #endif
+
+}