diff --git a/source/amx/CMakeLists.txt b/source/amx/CMakeLists.txt
index 608cbdb..43e2fd8 100644
--- a/source/amx/CMakeLists.txt
+++ b/source/amx/CMakeLists.txt
@@ -44,7 +44,7 @@ if(WIN32)
   set(ARGS_SRCS ${ARGS_SRCS} dllmain.c amxargs.rc)
   if(BORLAND)
     # Borland linker uses a DEF file if one is in the output directory
-    configure_file(${CMAKE_CURRENT_SOURCE_DIR}/amxargs.def ${CMAKE_BINARY_DIR}/amxargs.def COPY_ONLY)
+    configure_file(${CMAKE_CURRENT_SOURCE_DIR}/amxargs.def ${CMAKE_BINARY_DIR}/amxargs.def COPYONLY)
   else()
     # For Microsoft Visual C/C++ we can set explicit flags for exports
     set_target_properties(amxArgs PROPERTIES LINK_FLAGS "/export:amx_ArgsInit /export:amx_ArgsCleanup /export:amx_ArgsSetCmdLine")
@@ -58,7 +58,7 @@ set_target_properties(amxDGram PROPERTIES PREFIX "")
 if(WIN32)
   set(DGRAM_SRCS ${DGRAM_SRCS} dllmain.c amxargs.rc)
   if(BORLAND)
-    configure_file(${CMAKE_CURRENT_SOURCE_DIR}/amxdgram.def ${CMAKE_BINARY_DIR}/amxdgram.def COPY_ONLY)
+    configure_file(${CMAKE_CURRENT_SOURCE_DIR}/amxdgram.def ${CMAKE_BINARY_DIR}/amxdgram.def COPYONLY)
   else()
     set_target_properties(amxDGram PROPERTIES LINK_FLAGS "/export:amx_DGramInit /export:amx_DGramCleanup")
   endif()
@@ -71,7 +71,7 @@ set_target_properties(amxFile PROPERTIES PREFIX "")
 if(WIN32)
   set(FILE_SRCS ${FILE_SRCS} dllmain.c amxfile.rc)
   if(BORLAND)
-    configure_file(${CMAKE_CURRENT_SOURCE_DIR}/amxfile.def ${CMAKE_BINARY_DIR}/amxfile.def COPY_ONLY)
+    configure_file(${CMAKE_CURRENT_SOURCE_DIR}/amxfile.def ${CMAKE_BINARY_DIR}/amxfile.def COPYONLY)
   else()
     set_target_properties(amxFile PROPERTIES LINK_FLAGS "/export:amx_FileInit /export:amx_FileCleanup")
   endif()
@@ -84,7 +84,7 @@ set_target_properties(amxFixed PROPERTIES PREFIX "")
 if(WIN32)
   set(FIXED_SRCS ${FIXED_SRCS} dllmain.c amxfixed.rc)
   if(BORLAND)
-    configure_file(${CMAKE_CURRENT_SOURCE_DIR}/amxfixed.def ${CMAKE_BINARY_DIR}/amxfixed.def COPY_ONLY)
+    configure_file(${CMAKE_CURRENT_SOURCE_DIR}/amxfixed.def ${CMAKE_BINARY_DIR}/amxfixed.def COPYONLY)
   else()
     set_target_properties(amxFixed PROPERTIES LINK_FLAGS "/export:amx_FixedInit /export:amx_FixedCleanup")
   endif()
@@ -100,7 +100,7 @@ set_target_properties(amxFloat PROPERTIES PREFIX "")
 if(WIN32)
   set(FLOAT_SRCS ${FLOAT_SRCS} dllmain.c amxfloat.rc)
   if(BORLAND)
-    configure_file(${CMAKE_CURRENT_SOURCE_DIR}/amxfloat.def ${CMAKE_BINARY_DIR}/amxfloat.def COPY_ONLY)
+    configure_file(${CMAKE_CURRENT_SOURCE_DIR}/amxfloat.def ${CMAKE_BINARY_DIR}/amxfloat.def COPYONLY)
   else()
     set_target_properties(amxFloat PROPERTIES LINK_FLAGS "/export:amx_FloatInit /export:amx_FloatCleanup")
   endif()
@@ -125,7 +125,7 @@ set_target_properties(amxProcess PROPERTIES PREFIX "")
 if(WIN32)
   set(PROCESS_SRCS ${PROCESS_SRCS} dllmain.c amxprocess.rc)
   if(BORLAND)
-    configure_file(${CMAKE_CURRENT_SOURCE_DIR}/amxprocess.def ${CMAKE_BINARY_DIR}/amxprocess.def COPY_ONLY)
+    configure_file(${CMAKE_CURRENT_SOURCE_DIR}/amxprocess.def ${CMAKE_BINARY_DIR}/amxprocess.def COPYONLY)
   else()
     set_target_properties(amxProcess PROPERTIES LINK_FLAGS "/export:amx_ProcessInit /export:amx_ProcessCleanup")
   endif()
@@ -141,7 +141,7 @@ set_target_properties(amxString PROPERTIES PREFIX "")
 if(WIN32)
   set(STRING_SRCS ${STRING_SRCS} dllmain.c amxstring.rc)
   if(BORLAND)
-    configure_file(${CMAKE_CURRENT_SOURCE_DIR}/amxstring.def ${CMAKE_BINARY_DIR}/amxstring.def COPY_ONLY)
+    configure_file(${CMAKE_CURRENT_SOURCE_DIR}/amxstring.def ${CMAKE_BINARY_DIR}/amxstring.def COPYONLY)
   else()
     set_target_properties(amxString PROPERTIES LINK_FLAGS "/export:amx_StringInit /export:amx_StringCleanup")
   endif()
@@ -154,7 +154,7 @@ set_target_properties(amxTime PROPERTIES PREFIX "")
 if(WIN32)
   set(TIME_SRCS ${TIME_SRCS} dllmain.c amxtime.rc)
   if(BORLAND)
-    configure_file(${CMAKE_CURRENT_SOURCE_DIR}/amxtime.def ${CMAKE_BINARY_DIR}/amxtime.def COPY_ONLY)
+    configure_file(${CMAKE_CURRENT_SOURCE_DIR}/amxtime.def ${CMAKE_BINARY_DIR}/amxtime.def COPYONLY)
   else()
     set_target_properties(amxTime PROPERTIES LINK_FLAGS "/export:amx_TimeInit /export:amx_TimeCleanup")
   endif()
diff --git a/source/compiler/CMakeLists.txt b/source/compiler/CMakeLists.txt
index 3bd07e1..3806abd 100644
--- a/source/compiler/CMakeLists.txt
+++ b/source/compiler/CMakeLists.txt
@@ -64,7 +64,7 @@ if(WIN32)
   set_source_files_properties(libpawnc.c COMPILE_FLAGS -DPAWNC_DLL)
   if(BORLAND)
     # Borland linker uses a DEF file if one is in the output directory
-    configure_file(${CMAKE_CURRENT_SOURCE_DIR}/libpawnc.def.borland ${CMAKE_BINARY_DIR}/pawnc.def COPY_ONLY)
+    configure_file(${CMAKE_CURRENT_SOURCE_DIR}/libpawnc.def.borland ${CMAKE_BINARY_DIR}/pawnc.def COPYONLY)
   else()
     # Microsoft Visual C/C++ supports a DEF file as if it were a source file
     set(PAWNC_SRCS ${PAWNC_SRCS} libpawnc.def)
@@ -86,7 +86,7 @@ if(WIN32)
   set(PAWNCC_SRCS ${PAWNCC_SRCS} libpawnc.rc)
   if(BORLAND)
     # Borland linker uses a DEF file if one is in the output directory
-    configure_file(${CMAKE_CURRENT_SOURCE_DIR}/pawncc.def.borland ${CMAKE_BINARY_DIR}/pawncc.def COPY_ONLY)
+    configure_file(${CMAKE_CURRENT_SOURCE_DIR}/pawncc.def.borland ${CMAKE_BINARY_DIR}/pawncc.def COPYONLY)
   else()
     # Microsoft Visual C/C++ supports a DEF file as if it were a source file
     set(PAWNC_SRCS ${PAWNC_SRCS} pawncc.def)