Improve Windows build support.

- Use multithreading (works with a sufficiently recent version of
  the Microsoft developer tools / C SDK).
- Detect CPU architecture and use AVX2 or NEON when appropriate.
- Automatically detect python installation path.

1 files changed, 6 insertions, 6 deletions

diff --git a/src/solvers/h48/solve.h b/src/solvers/h48/solve.h
index 15ac6ea..4fd0aea 100644
--- a/src/solvers/h48/solve.h
+++ b/src/solvers/h48/solve.h
@@ -78,7 +78,7 @@ STATIC_INLINE void h48_prune_restore_inverse(const h48_prune_t [static 1],
 STATIC int64_t solve_h48_maketasks(
     dfsarg_solve_h48_t [static 1], dfsarg_solve_h48_maketasks_t [static 1],
     solve_h48_task_t [static H48_STARTING_CUBES], int [static 1]);
-STATIC void *solve_h48_runthread(void *);
+STATIC wrapthread_return_t solve_h48_runthread(void *);
 STATIC int64_t solve_h48_dfs(dfsarg_solve_h48_t [static 1]);
 STATIC void solve_h48_log_solutions(solution_list_t [static 1], size_t);
 STATIC int solve_h48_compare_tasks(const void *, const void *);
@@ -383,7 +383,7 @@ solve_h48_dfs(dfsarg_solve_h48_t arg[static 1])
         return ret;
 }
 
-STATIC void *
+STATIC wrapthread_return_t 
 solve_h48_runthread(void *arg)
 {
         int i, j;
@@ -445,7 +445,7 @@ solve_h48_runthread(void *arg)
 
 solve_h48_runthread_end:
         dfsarg->thread_done = true;
-        return NULL;
+        return wrapthread_return_val;
 }
 
 STATIC int64_t
@@ -638,7 +638,7 @@ solve_h48(
 
         }
 
-        wrapthread_mutex_init(&solutions_mutex, NULL);
+        wrapthread_mutex_init(&solutions_mutex);
 
         mtarg = (dfsarg_solve_h48_maketasks_t) {
                 .cube = oc.cube,
@@ -689,7 +689,7 @@ solve_h48(
                         arg[i].target_depth = d;
                         arg[i].thread_done = false;
                         wrapthread_create(
-                            &thread[i], NULL, solve_h48_runthread, &arg[i]);
+                            &thread[i], solve_h48_runthread, &arg[i]);
                 }
 
                 /* Log solutions and handle pause / stop / resume */
@@ -718,7 +718,7 @@ solve_h48(
                 }
 
                 for (i = 0; i < threads; i++)
-                        wrapthread_join(thread[i], NULL);
+                        wrapthread_join(thread[i]);
 
                 solve_h48_log_solutions(&sollist, lastused);
                 lastused = sollist.used;