Hopefully improved portability of the assembler code in

Autotools based builds on Windows.

src/liblzma/check/crc32_x86.S

@@ -109,4 +109,9 @@
 	 * by GCC but only on some systems. Testing for both makes it simpler
 	 * to test this code without libtool, and keeps the code working also
 	 * when built with libtool but using something else than GCC.
+	 *
+	 * I understood that libtool may define PIC on Windows even though
+	 * the code in Windows DLLs is not PIC in sense that it is in ELF
+	 * binaries, so we need a separate check to always use the non-PIC
+	 * code on Windows.
 	 */
@@ -112,5 +117,6 @@
 	 */
-#if !defined(PIC) && !defined(__PIC__)
+#if (!defined(PIC) && !defined(__PIC__)) \
+		|| (defined(_WIN32) || defined(__CYGWIN__))
 	/* Not PIC */
 	movl	$LZMA_CRC32_TABLE, %ebx
 #elif defined(__MACH__)

src/liblzma/check/crc64_x86.S

@@ -100,4 +100,9 @@
 	 * by GCC but only on some systems. Testing for both makes it simpler
 	 * to test this code without libtool, and keeps the code working also
 	 * when built with libtool but using something else than GCC.
+	 *
+	 * I understood that libtool may define PIC on Windows even though
+	 * the code in Windows DLLs is not PIC in sense that it is in ELF
+	 * binaries, so we need a separate check to always use the non-PIC
+	 * code on Windows.
 	 */
@@ -103,5 +108,6 @@
 	 */
-#if !defined(PIC) && !defined(__PIC__)
+#if (!defined(PIC) && !defined(__PIC__)) \
+		|| (defined(_WIN32) || defined(__CYGWIN__))
 	/* Not PIC */
 	movl	$LZMA_CRC64_TABLE, %ebx
 #elif defined(__MACH__)