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-rw-r--r--erts/lib_src/common/erl_printf.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/erts/lib_src/common/erl_printf.c b/erts/lib_src/common/erl_printf.c
index 98130a72c6..9031a4c5b7 100644
--- a/erts/lib_src/common/erl_printf.c
+++ b/erts/lib_src/common/erl_printf.c
@@ -63,7 +63,7 @@ void (*erts_printf_unblock_fpe)(int) = NULL;
#undef FWRITE
#undef PUTC_ON_SMALL_WRITES
-#if defined(USE_THREADS) && defined(HAVE_FLOCKFILE)
+#if defined(HAVE_FLOCKFILE)
# define FLOCKFILE(FP) flockfile(FP)
# define FUNLOCKFILE(FP) funlockfile(FP)
# ifdef HAVE_PUTC_UNLOCKED
@@ -73,8 +73,7 @@ void (*erts_printf_unblock_fpe)(int) = NULL;
# ifdef HAVE_FWRITE_UNLOCKED
# define FWRITE fwrite_unlocked
# endif
-#endif
-#if !defined(FLOCKFILE) || !defined(FUNLOCKFILE)
+#else
# define FLOCKFILE(FP)
# define FUNLOCKFILE(FP)
#endif