1 files changed, 43 insertions, 0 deletions
diff --git a/libs/minisat/00_PATCH_no_fpu_control.patch b/libs/minisat/00_PATCH_no_fpu_control.patch
new file mode 100644
index 000000000..6c754b1ed
--- /dev/null
+++ b/libs/minisat/00_PATCH_no_fpu_control.patch
@@ -0,0 +1,43 @@
+--- System.cc
++++ System.cc
+@@ -97,17 +97,6 @@ double Minisat::memUsedPeak(bool) { return 0; }
+ #endif
+ 
+ 
+-void Minisat::setX86FPUPrecision()
+-{
+-#if defined(__linux__) && defined(_FPU_EXTENDED) && defined(_FPU_DOUBLE) && defined(_FPU_GETCW)
+-    // Only correct FPU precision on Linux architectures that needs and supports it:
+-    fpu_control_t oldcw, newcw;
+-    _FPU_GETCW(oldcw); newcw = (oldcw & ~_FPU_EXTENDED) | _FPU_DOUBLE; _FPU_SETCW(newcw);
+-    printf("WARNING: for repeatability, setting FPU to use double precision\n");
+-#endif
+-}
+-
+-
+ #if !defined(_MSC_VER) && !defined(__MINGW32__)
+ void Minisat::limitMemory(uint64_t max_mem_mb)
+ {
+--- System.h
++++ System.h
+@@ -21,10 +21,6 @@ OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWA
+ #ifndef Minisat_System_h
+ #define Minisat_System_h
+ 
+-#if defined(__linux__)
+-#include <fpu_control.h>
+-#endif
+-
+ #include "IntTypes.h"
+ 
+ //-------------------------------------------------------------------------------------------------
+@@ -36,9 +32,6 @@ static inline double cpuTime(void); // CPU-time in seconds.
+ extern double memUsed();            // Memory in mega bytes (returns 0 for unsupported architectures).
+ extern double memUsedPeak(bool strictlyPeak = false); // Peak-memory in mega bytes (returns 0 for unsupported architectures).
+ 
+-extern void   setX86FPUPrecision(); // Make sure double's are represented with the same precision
+-                                    // in memory and registers.
+-
+ extern void   limitMemory(uint64_t max_mem_mb); // Set a limit on total memory usage. The exact
+                                                 // semantics varies depending on architecture.
+