@@ -0,0 +1,12 @@
1+diff --git a/rts/RtsSymbols.c b/rts/RtsSymbols.c
2+index b2f90a892d..c552652247 100644
6+ RTS_WIN64_ONLY(SymI_HasProto(__imp__environ)) \
7+ RTS_WIN32_ONLY(SymI_HasProto(_imp___iob)) \
8+ RTS_WIN64_ONLY(SymI_HasProto(__iob_func)) \
9++ RTS_WIN64_ONLY(SymI_HasProto(__acrt_iob_func)) \
10+ /* see Note [Symbols for MinGW's printf] */ \
11+ SymI_HasProto(_lock_file) \
12+ SymI_HasProto(_unlock_file) \