Remove linux-specific libs

crc64.c

@@ -141,12 +141,9 @@ uint64_t crc64(uint64_t crc, const unsigned char *s, uint64_t l) {
 }
 
 
-#include <pthread.h>
-static pthread_once_t crc64_once_init = PTHREAD_ONCE_INIT;
-
 void crc64_jones_test1(const void *input, int len, uint32_t seed, void *out)
 {
-    pthread_once(&crc64_once_init, crc64_init);
+    if (!crc64_table[0][1]) crc64_init();
     size_t old1 = get_cutoff(0), old2 = get_cutoff(1);
     set_crc64_cutoffs(SIZE_MAX, SIZE_MAX);
     ((uint64_t*)out)[0] = crc64((uint64_t)seed, (const unsigned char*)input, len);
@@ -155,7 +152,7 @@ void crc64_jones_test1(const void *input, int len, uint32_t seed, void *out)
 
 void crc64_jones_test2(const void *input, int len, uint32_t seed, void *out)
 {
-    pthread_once(&crc64_once_init, crc64_init);
+    if (!crc64_table[0][1]) crc64_init();
     size_t old1 = get_cutoff(0), old2 = get_cutoff(1);
     set_crc64_cutoffs(1, SIZE_MAX);
     ((uint64_t*)out)[0] = crc64((uint64_t)seed, (const unsigned char*)input, len);
@@ -164,7 +161,7 @@ void crc64_jones_test2(const void *input, int len, uint32_t seed, void *out)
 
 void crc64_jones_test3(const void *input, int len, uint32_t seed, void *out)
 {
-    pthread_once(&crc64_once_init, crc64_init);
+    if (!crc64_table[0][1]) crc64_init();
     size_t old1 = get_cutoff(0), old2 = get_cutoff(1);
     set_crc64_cutoffs(1, 1);
     ((uint64_t*)out)[0] = crc64((uint64_t)seed, (const unsigned char*)input, len);
@@ -173,6 +170,6 @@ void crc64_jones_test3(const void *input, int len, uint32_t seed, void *out)
 
 void crc64_jones_default(const void *input, int len, uint32_t seed, void *out)
 {
-    pthread_once(&crc64_once_init, crc64_init);
+    if (!crc64_table[0][1]) crc64_init();
     ((uint64_t*)out)[0] = crc64((uint64_t)seed, (const unsigned char*)input, len);
 }

crccombine.c

@@ -1,6 +1,4 @@
 #include <stdint.h>
-#include <stdio.h>
-#include <strings.h>
 #if defined(__i386__) || defined(__X86_64__)
 #include <immintrin.h>
 #endif