fix

Author: SchrodingerZhu

libc/hdr/CMakeLists.txt

@@ -224,8 +224,13 @@ add_proxy_header_library(
 )
 
 # offsetof is a macro inside compiler resource header stddef.h
-# defining it directly as a header library
-add_header_library(offsetof_macros HDRS offsetof_macros.h)
+add_proxy_header_library(
+  offsetof_macros
+  HDRS
+    offsetof_macros.h
+  FULL_BUILD_DEPENDS
+    libc.include.llvm-libc-macros.offsetof_macro
+)
 
 add_subdirectory(types)
 add_subdirectory(func)

libc/hdr/offsetof_macros.h

@@ -11,7 +11,7 @@
 
 #ifdef LIBC_FULL_BUILD
 
-#include "include/llvm-libc-macros/offsetof-macros.h"
+#include "include/llvm-libc-macros/offsetof-macro.h"
 
 #else // Overlay mode