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-rw-r--r--Carpet/CarpetIOScalar/src/ioscalar.cc4
1 files changed, 3 insertions, 1 deletions
diff --git a/Carpet/CarpetIOScalar/src/ioscalar.cc b/Carpet/CarpetIOScalar/src/ioscalar.cc
index 40077bb44..f5de9dc77 100644
--- a/Carpet/CarpetIOScalar/src/ioscalar.cc
+++ b/Carpet/CarpetIOScalar/src/ioscalar.cc
@@ -98,7 +98,7 @@ namespace CarpetIOScalar {
- extern "C" void
+ extern "C" int
CarpetIOScalarStartup ()
{
CCTK_RegisterBanner ("AMR scalar I/O provided by CarpetIOScalar");
@@ -111,6 +111,8 @@ namespace CarpetIOScalar {
CCTK_RegisterIOMethodOutputVarAs (IOMethod, OutputVarAs);
CCTK_RegisterIOMethodTimeToOutput (IOMethod, TimeToOutput);
CCTK_RegisterIOMethodTriggerOutput (IOMethod, TriggerOutput);
+
+ return 0;
}