diff options
Diffstat (limited to 'compiler/cbits')
| -rw-r--r-- | compiler/cbits/genSym.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/compiler/cbits/genSym.c b/compiler/cbits/genSym.c index 8a47d77f27..eed2b4f142 100644 --- a/compiler/cbits/genSym.c +++ b/compiler/cbits/genSym.c @@ -1,9 +1,15 @@ #include <Rts.h> #include <assert.h> #include "Unique.h" +#include "ghcversion.h" +// These global variables have been moved into the RTS. It allows them to be +// shared with plugins even if two different instances of the GHC library are +// loaded at the same time (#19940) +#if !MIN_VERSION_GLASGOW_HASKELL(9,3,0,0) HsInt ghc_unique_counter = 0; HsInt ghc_unique_inc = 1; +#endif #define UNIQUE_BITS (sizeof (HsInt) * 8 - UNIQUE_TAG_BITS) #define UNIQUE_MASK ((1ULL << UNIQUE_BITS) - 1) |