1 files changed, 38 insertions, 0 deletions
diff --git a/sci-mathematics/singular/files/singular-4.0.2-ntl8-compat.patch b/sci-mathematics/singular/files/singular-4.0.2-ntl8-compat.patch
new file mode 100644
index 000000000000..d3e6b77a28e9
--- /dev/null
+++ b/sci-mathematics/singular/files/singular-4.0.2-ntl8-compat.patch
@@ -0,0 +1,38 @@
+diff --git a/factory/NTLconvert.cc b/factory/NTLconvert.cc
+index 41ce9b2..e32093d 100644
+--- a/factory/NTLconvert.cc
++++ b/factory/NTLconvert.cc
+@@ -30,6 +30,7 @@
+ #include <NTL/GF2EXFactoring.h>
+ #include <NTL/tools.h>
+ #include <NTL/mat_ZZ.h>
++#include <NTL/version.h>
+ #include "int_int.h"
+ #include <limits.h>
+ #include "NTLconvert.h"
+@@ -500,8 +501,14 @@ convertZZ2CF (const ZZ & a)
+     return CanonicalForm(coeff_long);
+   }
+   else
+-  {
+-    long sizeofrep= ((long *) a.rep) [1];
++  { 
++    const long * rep =
++#if NTL_MAJOR_VERSION <= 6
++      static_cast<long *>( a.rep );
++#else
++      static_cast<long *>( a.rep.rep ); // what about NTL7?
++#endif
++    long sizeofrep= rep[1];
+     bool lessZero= false;
+     if (sizeofrep < 0)
+     {
+@@ -519,7 +526,7 @@ convertZZ2CF (const ZZ & a)
+       cf_stringtemp_l= sizeofrep*sizeof(mp_limb_t)*2;
+       cf_stringtemp= (unsigned char*) Alloc (cf_stringtemp_l);
+     }
+-    int cc= mpn_get_str (cf_stringtemp, 16, (mp_limb_t *) (((long *) (a.rep)) + 2), sizeofrep);
++    int cc= mpn_get_str (cf_stringtemp, 16, (mp_limb_t *) ((rep) + 2), sizeofrep);
+ 
+     char* cf_stringtemp2;
+     if (lessZero)