Fix building on Solaris 10 x86_64 GCC 4.9.2

Prevent building x86_64 ASM from Solaris x86_64

Author: likema

build/cmake/lib/CMakeLists.txt

@@ -42,7 +42,7 @@ file(GLOB DecompressSources ${LIBRARY_DIR}/decompress/*.c)
 if (MSVC)
     add_compile_options(-DZSTD_DISABLE_ASM)
 else ()
-    if(CMAKE_SYSTEM_PROCESSOR MATCHES "amd64.*|AMD64.*|x86_64.*|X86_64.*")
+    if(CMAKE_SYSTEM_PROCESSOR MATCHES "amd64.*|AMD64.*|x86_64.*|X86_64.*" AND NOT CMAKE_SYSTEM_NAME STREQUAL "SunOS")
         set(DecompressSources ${DecompressSources} ${LIBRARY_DIR}/decompress/huf_decompress_amd64.S)
     else()
         add_compile_options(-DZSTD_DISABLE_ASM)