diff --git a/BaseTools/Source/C/VfrCompile/Pccts/h/pccts_setjmp.h b/BaseTools/Source/C/VfrCompile/Pccts/h/pccts_setjmp.h
index 9ea185ca7..44808e58c 100755
--- a/BaseTools/Source/C/VfrCompile/Pccts/h/pccts_setjmp.h
+++ b/BaseTools/Source/C/VfrCompile/Pccts/h/pccts_setjmp.h
@@ -1,7 +1,7 @@
 #ifndef __PCCTS_SETJMP_H__
 #define __PCCTS_SETJMP_H__
 
-#ifdef PCCTS_USE_NAMESPACE_STD
+#ifdef PCCTS_USE_NAMESPACE_STDXXX
 #include <csetjmp>
 #else
 #include <setjmp.h>
diff --git a/BaseTools/Source/C/VfrCompile/Pccts/h/pccts_stdarg.h b/BaseTools/Source/C/VfrCompile/Pccts/h/pccts_stdarg.h
index e957430c3..2275d3b45 100755
--- a/BaseTools/Source/C/VfrCompile/Pccts/h/pccts_stdarg.h
+++ b/BaseTools/Source/C/VfrCompile/Pccts/h/pccts_stdarg.h
@@ -1,7 +1,7 @@
 #ifndef __PCCTS_STDARG_H__
 #define __PCCTS_STDARG_H__
 
-#ifdef PCCTS_USE_NAMESPACE_STD
+#ifdef PCCTS_USE_NAMESPACE_STDXXX
 #include <cstdarg>
 #else
 #include <stdarg.h>
diff --git a/BaseTools/Source/C/VfrCompile/Pccts/h/pccts_stdio.h b/BaseTools/Source/C/VfrCompile/Pccts/h/pccts_stdio.h
index ac34d1086..a339613da 100755
--- a/BaseTools/Source/C/VfrCompile/Pccts/h/pccts_stdio.h
+++ b/BaseTools/Source/C/VfrCompile/Pccts/h/pccts_stdio.h
@@ -1,7 +1,7 @@
 #ifndef __PCCTS_STDIO_H__
 #define __PCCTS_STDIO_H__
 
-#ifdef PCCTS_USE_NAMESPACE_STD
+#ifdef PCCTS_USE_NAMESPACE_STDXXX
 #include <cstdio>
 #else
 #include <stdio.h>
diff --git a/BaseTools/Source/C/VfrCompile/Pccts/h/pccts_stdlib.h b/BaseTools/Source/C/VfrCompile/Pccts/h/pccts_stdlib.h
index f0b344e8d..abc987475 100755
--- a/BaseTools/Source/C/VfrCompile/Pccts/h/pccts_stdlib.h
+++ b/BaseTools/Source/C/VfrCompile/Pccts/h/pccts_stdlib.h
@@ -1,7 +1,7 @@
 #ifndef __PCCTS_STDLIB_H__
 #define __PCCTS_STDLIB_H__
 
-#ifdef PCCTS_USE_NAMESPACE_STD
+#ifdef PCCTS_USE_NAMESPACE_STDXXX
 #include <cstdlib>
 #else
 #include <stdlib.h>
diff --git a/BaseTools/Source/C/VfrCompile/Pccts/h/pccts_string.h b/BaseTools/Source/C/VfrCompile/Pccts/h/pccts_string.h
index 458a08a94..e05b283f8 100755
--- a/BaseTools/Source/C/VfrCompile/Pccts/h/pccts_string.h
+++ b/BaseTools/Source/C/VfrCompile/Pccts/h/pccts_string.h
@@ -1,7 +1,7 @@
 #ifndef __PCCTS_STRING_H__
 #define __PCCTS_STRING_H__
 
-#ifdef PCCTS_USE_NAMESPACE_STD
+#ifdef PCCTS_USE_NAMESPACE_STDXXX
 #include <cstring>
 #else
 #include <string.h>
diff --git a/Build_Clover_in_Sequoia.txt b/Build_Clover_in_Sequoia.txt
new file mode 100644
index 000000000..48a3a8e56
--- /dev/null
+++ b/Build_Clover_in_Sequoia.txt
@@ -0,0 +1,22 @@
+1. Download Clover
+
+cd ~
+mkdir src
+cd src
+git clone --recurse-submodule https://github.com/CloverHackyColor/CloverBootloader.git
+cd CloverBootloader
+
+2. Download and install Python 5.12...
+3. Set a link for python
+
+cd /Library/Frameworks/Python.framework/Versions/3.12/bin/
+sudo ln -s python3.12 python
+cd -
+
+4. Install tools
+pip3 install setuptools
+
+5. make -C BaseTools
+
+6. ./buildme
+