Fix build with clang

Author: oleksandr-pavlyk

mkl_random/src/mkl_distributions.cpp

@@ -44,6 +44,10 @@
 #define DIST_PRAGMA_VECTOR _Pragma("vector")
 #define DIST_PRAGMA_NOVECTOR _Pragma("novector")
 #define DIST_ASSUME_ALIGNED(p, b) __assume_aligned((p), (b));
+#elif defined(__clang__)
+#define DIST_PRAGMA_VECTOR _Pragma("clang loop vectorize(enable)")
+#define DIST_PRAGMA_NOVECTOR _Pragma("clang loop vectorize(disable)")
+#define DIST_ASSUME_ALIGNED(p, b)
 #elif defined(__GNUG__)
 #define DIST_PRAGMA_VECTOR _Pragma("GCC ivdep")
 #define DIST_PRAGMA_NOVECTOR

mkl_random/src/randomkit.c renamed to mkl_random/src/randomkit.cpp

@@ -90,7 +90,7 @@
 #define RK_DEV_RANDOM "/dev/random"
 #endif
 
-char *irk_strerror[RK_ERR_MAX] =
+const char *irk_strerror[RK_ERR_MAX] =
     {
         "no error",
         "random device unvavailable"};
@@ -350,7 +350,7 @@ void irk_random_vec(irk_state *state, const int len, unsigned int *res)
 void irk_fill(void *buffer, size_t size, irk_state *state)
 {
     unsigned int r;
-    unsigned char *buf = buffer;
+    unsigned char *buf = reinterpret_cast<unsigned char *>(buffer);
     int err, len;
 
     /* len = size / 4 */

mkl_random/src/randomkit.h

@@ -63,7 +63,7 @@ typedef enum {
 
 
 /* error strings */
-extern char *irk_strerror[RK_ERR_MAX];
+extern const char *irk_strerror[RK_ERR_MAX];
 
 /* Maximum generated random value */
 #define RK_MAX 0xFFFFFFFFUL

setup.py

@@ -103,7 +103,7 @@ def extensions():
             [
                 os.path.join("mkl_random", "mklrand.pyx"),
                 os.path.join("mkl_random", "src", "mkl_distributions.cpp"),
-                os.path.join("mkl_random", "src", "randomkit.c"),
+                os.path.join("mkl_random", "src", "randomkit.cpp"),
             ],
             depends = [
                 os.path.join("mkl_random", "src", "mkl_distributions.hpp"),