diff --git a/src/cmake/AieCodegenIncludes.cmake b/src/cmake/AieCodegenIncludes.cmake
index 2be2c9d4..e86e12e2 100644
--- a/src/cmake/AieCodegenIncludes.cmake
+++ b/src/cmake/AieCodegenIncludes.cmake
@@ -3,28 +3,25 @@
 # SPDX-License-Identifier: MIT
 ###############################################################################
 
-include(${CMAKE_CURRENT_LIST_DIR}/AieCodegenHeaders.cmake)
-
-function(_aie_codegen_materialize_header source dest)
-  file(CREATE_LINK "${source}" "${dest}" SYMBOLIC RESULT _link_result)
-  if(NOT _link_result EQUAL 0)
-    configure_file("${source}" "${dest}" COPYONLY)
-  endif()
-endfunction()
-
 function(aie_codegen_setup_build_include_layout)
   set(_inc_root "${CMAKE_CURRENT_BINARY_DIR}/include")
   file(MAKE_DIRECTORY "${_inc_root}/aie_codegen_inc")
 
-  aie_codegen_collect_headers(_headers)
-  foreach(_hdr IN LISTS _headers)
-    get_filename_component(_name "${_hdr}" NAME)
-    _aie_codegen_materialize_header("${_hdr}" "${_inc_root}/aie_codegen_inc/${_name}")
-  endforeach()
-
-  _aie_codegen_materialize_header(
-    "${CMAKE_CURRENT_SOURCE_DIR}/aie_codegen.h"
-    "${_inc_root}/aie_codegen.h")
+  # Headers are copied at build time via a cmake -P script so that GLOB runs
+  # fresh on each build. Configure-time copies bake resolved paths into the
+  # generated build rules; stale rules cause MSB8066 failures in CI when a
+  # prior build directory is reused after a source-tree relocation.
+  add_custom_target(copy_headers ALL
+    COMMAND ${CMAKE_COMMAND} -E copy_if_different
+      "${CMAKE_CURRENT_SOURCE_DIR}/aie_codegen.h"
+      "${_inc_root}/aie_codegen.h"
+    COMMAND ${CMAKE_COMMAND}
+      "-DSRC_DIR=${CMAKE_CURRENT_SOURCE_DIR}"
+      "-DREGDB_DIR=${CMAKE_CURRENT_SOURCE_DIR}/../aie-regdb/globalparams"
+      "-DDST_DIR=${_inc_root}/aie_codegen_inc"
+      -P "${CMAKE_CURRENT_SOURCE_DIR}/cmake/CopyHeaders.cmake"
+    COMMENT "Syncing headers to build include directory"
+  )
 endfunction()
 
 function(aie_codegen_apply_include_directories target)
@@ -35,4 +32,5 @@ function(aie_codegen_apply_include_directories target)
       $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>
       $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}/aie_codegen_inc>
   )
+  add_dependencies(${target} copy_headers)
 endfunction()
diff --git a/src/cmake/CopyHeaders.cmake b/src/cmake/CopyHeaders.cmake
new file mode 100644
index 00000000..cc778863
--- /dev/null
+++ b/src/cmake/CopyHeaders.cmake
@@ -0,0 +1,29 @@
+###############################################################################
+# Copyright (C) 2022-2026 Advanced Micro Devices, Inc. All rights reserved.
+# SPDX-License-Identifier: MIT
+###############################################################################
+# Build-time script: invoked via cmake -P by the copy_headers custom target.
+# Runs GLOB at build time so that paths are resolved fresh on each build rather
+# than being baked into generated build rules at configure time.
+#
+# Expected variables (passed via -D on the cmake -P command line):
+#   SRC_DIR   - aie-codegen/src source directory
+#   REGDB_DIR - aie-regdb/globalparams source directory
+#   DST_DIR   - destination include/aie_codegen_inc directory
+
+foreach(_var SRC_DIR REGDB_DIR DST_DIR)
+  if(NOT DEFINED ${_var})
+    message(FATAL_ERROR "CopyHeaders.cmake: required variable ${_var} is not defined")
+  endif()
+endforeach()
+
+file(GLOB_RECURSE _hdrs
+  "${SRC_DIR}/*/*.h"
+  "${SRC_DIR}/*/*/*.h"
+  "${REGDB_DIR}/*.h"
+)
+
+foreach(_hdr IN LISTS _hdrs)
+  get_filename_component(_name "${_hdr}" NAME)
+  file(COPY_FILE "${_hdr}" "${DST_DIR}/${_name}" ONLY_IF_DIFFERENT)
+endforeach()