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-rw-r--r--src/mp_std_bits.cc6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/mp_std_bits.cc b/src/mp_std_bits.cc
index d79dca876..e07714a94 100644
--- a/src/mp_std_bits.cc
+++ b/src/mp_std_bits.cc
@@ -26,6 +26,9 @@ site: http://www.cs.unipr.it/ppl/ . */
#include <ppl-config.h>
#include "mp_std_bits.defs.hh"
+#if __GNU_MP_VERSION < 5 \
+ || (__GNU_MP_VERSION == 5 && __GNU_MP_VERSION_MINOR < 1)
+
const bool std::numeric_limits<mpz_class>::is_specialized;
const int std::numeric_limits<mpz_class>::digits;
const int std::numeric_limits<mpz_class>::digits10;
@@ -71,3 +74,6 @@ const bool std::numeric_limits<mpq_class>::is_modulo;
const bool std::numeric_limits<mpq_class>::traps;
const bool std::numeric_limits<mpq_class>::tininess_before;
const std::float_round_style std::numeric_limits<mpq_class>::round_style;
+
+#endif //_GNU_MP_VERSION <5
+ // || (__GNU_MP_VERSION == 5 && __GNU_MP_VERSION_MINOR < 1)