diff options
Diffstat (limited to 'src/util/hash.h')
| -rw-r--r-- | src/util/hash.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/util/hash.h b/src/util/hash.h index 10211970f..bd3fee597 100644 --- a/src/util/hash.h +++ b/src/util/hash.h @@ -22,6 +22,9 @@ #ifndef __CVC4__HASH_H #define __CVC4__HASH_H +// in case it's not been declared as a namespace yet +namespace __gnu_cxx {} + #include <ext/hash_map> namespace std { using namespace __gnu_cxx; } |