Fix spelling and allow glaze grouping in Cmake

Author: stephenberry

CMakeLists.txt

@@ -50,10 +50,10 @@ if (glaze_DEVELOPER_MODE)
   include(cmake/dev-mode.cmake)
 endif()
 
-option(GLAZE_DISABLE_VECTOR_CODE_WHEN_SUPPORTED
-       "disable vector optimised code even when targets supports it" OFF)
-if(GLAZE_DISABLE_VECTOR_CODE_WHEN_SUPPORTED)
-  target_compile_definitions(glaze_glaze INTERFACE GLZ_DISBALE_VECTOR_CODE)
+option(glaze_DISABLE_AVX2_WHEN_SUPPORTED
+       "disable AVX2 optimized code even when targets supports it" OFF)
+if(glaze_DISABLE_AVX2_WHEN_SUPPORTED)
+  target_compile_definitions(glaze_glaze INTERFACE GLZ_DISABLE_AVX2)
 endif()
 
 option(glaze_BUILD_EXAMPLES "Build GLAZE examples" OFF)

include/glaze/json/write.hpp

@@ -8,7 +8,7 @@
 #include <ostream>
 #include <variant>
 
-#if !defined(GLZ_DISBALE_VECTOR_CODE) && (defined(__x86_64__) || defined(_M_X64))
+#if !defined(GLZ_DISABLE_AVX2) && (defined(__x86_64__) || defined(_M_X64))
     #if defined(_MSC_VER)
         #include <intrin.h>
     #else