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-rw-r--r--erts/emulator/beam/erl_bif_info.c3
-rw-r--r--erts/emulator/beam/global.h5
2 files changed, 4 insertions, 4 deletions
diff --git a/erts/emulator/beam/erl_bif_info.c b/erts/emulator/beam/erl_bif_info.c
index 1eb106a551..82c2aa4b9e 100644
--- a/erts/emulator/beam/erl_bif_info.c
+++ b/erts/emulator/beam/erl_bif_info.c
@@ -130,6 +130,9 @@ static char erts_system_version[] = ("Erlang/OTP " ERLANG_OTP_RELEASE
#ifdef USE_SYSTEMTAP
" [systemtap]"
#endif
+#ifdef SHCOPY
+ " [sharing-preserving]"
+#endif
"\n");
#define ASIZE(a) (sizeof(a)/sizeof(a[0]))
diff --git a/erts/emulator/beam/global.h b/erts/emulator/beam/global.h
index 303b9ee51b..3c59df5f41 100644
--- a/erts/emulator/beam/global.h
+++ b/erts/emulator/beam/global.h
@@ -1038,12 +1038,9 @@ void erl_error(char*, va_list);
/* This controls whether sharing-preserving copy is used by Erlang */
+#ifdef SHCOPY
#define SHCOPY_SEND
#define SHCOPY_SPAWN
-
-#if defined(SHCOPY_SEND) \
- || defined(SHCOPY_SPAWN)
-#define SHCOPY
/* Use this if you want sharing-preserving copy to be initially disabled */
#undef SHCOPY_DISABLE
#endif