Sync with trunk r65656.
[reactos.git] / cmake / msvc.cmake
index 4e92f6c..05f515c 100644 (file)
@@ -20,16 +20,48 @@ endif()
 
 add_definitions(/Dinline=__inline /D__STDC__=1)
 
-add_compile_flags("/X /GR- /GS- /Zl /W3")
+add_compile_flags("/X /GR- /EHs-c- /GS- /Zl /W3")
 
 # HACK: for VS 11+ we need to explicitly disable SSE, which is off by
-# default for older compilers. See bug #7174
-if (MSVC_VERSION GREATER 1699 AND ARCH STREQUAL "i386")
+# default for older compilers. See CORE-6507
+if(MSVC_VERSION GREATER 1699 AND ARCH STREQUAL "i386")
     add_compile_flags("/arch:IA32")
 endif ()
 
-# C4700 is almost always likely to result in broken code, so mark it as an error
-add_compile_flags("/we4700")
+# VS 12+ requires /FS when used in parallel compilations
+if(MSVC_VERSION GREATER 1799 AND NOT MSVC_IDE)
+    add_compile_flags("/FS")
+endif ()
+
+# Disable overly sensitive warnings as well as those that generally aren't
+# useful to us.
+# - TODO: C4018: signed/unsigned mismatch
+# - C4244: implicit integer truncation
+# - C4290: C++ exception specification ignored
+#add_compile_flags("/wd4018 /wd4244 /wd4290")
+add_compile_flags("/wd4290 /wd4244")
+
+# The following warnings are treated as errors:
+# - C4013: implicit function declaration
+# - C4020: too many actual parameters
+# - C4022: pointer type mismatch for parameter
+# - TODO: C4028: formal parameter different from declaration
+# - C4047: different level of indirection
+# - TODO: C4090: different 'modifier' qualifiers (for C programs only;
+#          for C++ programs, the compiler error C2440 is issued)
+# - C4098: void function returning a value
+# - C4113: parameter lists differ
+# - C4129: unrecognized escape sequence
+# - TODO: C4133: incompatible types
+# - C4163: 'identifier': not available as an intrinsic function
+# - C4229: modifiers on data are ignored
+# - C4700: uninitialized variable usage
+# - C4603: macro is not defined or definition is different after precompiled header use
+add_compile_flags("/we4013 /we4020 /we4022 /we4047 /we4098 /we4113 /we4129 /we4163 /we4229 /we4700 /we4603")
+
+# Enable warnings above the default level, but don't treat them as errors:
+# - C4115: named type definition in parentheses
+add_compile_flags("/w14115")
 
 # Debugging
 #if(${CMAKE_BUILD_TYPE} STREQUAL "Debug")
@@ -43,26 +75,52 @@ elseif(CMAKE_BUILD_TYPE STREQUAL "Release")
     add_compile_flags("/Ob2 /D NDEBUG")
 endif()
 
-if(${_MACHINE_ARCH_FLAG} MATCHES X86)
-    set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /SAFESEH:NO /NODEFAULTLIB /RELEASE")
-    set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} /SAFESEH:NO /NODEFAULTLIB /RELEASE")
-    set(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} /SAFESEH:NO /NODEFAULTLIB /RELEASE")
+if(MSVC_IDE)
+    add_compile_flags("/MP")
+    if(NOT DEFINED USE_FOLDER_STRUCTURE)
+        set(USE_FOLDER_STRUCTURE FALSE)
+    endif()
 endif()
 
-set(CMAKE_RC_COMPILE_OBJECT "<CMAKE_RC_COMPILER> <FLAGS> <DEFINES> ${I18N_DEFS} /fo<OBJECT> <SOURCE>")
+if(NOT DEFINED RUNTIME_CHECKS)
+    set(RUNTIME_CHECKS FALSE)
+endif()
 
-if(MSVC_IDE)
-    # Asm source files are not supported in VS generators yet. As a result, <DEFINES> isn't recognized.
-    # We may temporarily use just the global defines, but this is not a solution as some modules (minihal for example) apply additional definitions to source files, so we get an incorrect build of such targets.
-    get_directory_property(definitions DEFINITIONS)
-    set(CMAKE_ASM_COMPILE_OBJECT
-        "cl /nologo /X /I${REACTOS_SOURCE_DIR}/include/asm /I${REACTOS_BINARY_DIR}/include/asm <FLAGS> ${definitions} /D__ASM__ /D_USE_ML /EP /c <SOURCE> > <OBJECT>.tmp"
-        "<CMAKE_ASM_COMPILER> /nologo /Cp /Fo<OBJECT> /c /Ta <OBJECT>.tmp")
+if(RUNTIME_CHECKS)
+    add_definitions(-D__RUNTIME_CHECKS__)
+    add_compile_flags("/RTC1")
+endif()
+
+set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /MANIFEST:NO /INCREMENTAL:NO /SAFESEH:NO /NODEFAULTLIB /RELEASE")
+set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} /MANIFEST:NO /INCREMENTAL:NO /SAFESEH:NO /NODEFAULTLIB /RELEASE")
+set(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} /MANIFEST:NO /INCREMENTAL:NO /SAFESEH:NO /NODEFAULTLIB /RELEASE")
+
+if(CMAKE_DISABLE_NINJA_DEPSLOG)
+    set(cl_includes_flag "")
 else()
-    # NMake Makefiles
-    set(CMAKE_ASM_COMPILE_OBJECT
-        "cl /nologo /X /I${REACTOS_SOURCE_DIR}/include/asm /I${REACTOS_BINARY_DIR}/include/asm <FLAGS> <DEFINES> /D__ASM__ /D_USE_ML /EP /c <SOURCE> > <OBJECT>.tmp"
-        "<CMAKE_ASM_COMPILER> /nologo /Cp /Fo<OBJECT> /c /Ta <OBJECT>.tmp")
+    set(cl_includes_flag "/showIncludes")
+endif()
+
+if(MSVC_IDE AND (CMAKE_VERSION MATCHES "ReactOS"))
+    # For VS builds we'll only have en-US in resource files
+    add_definitions(/DLANGUAGE_EN_US)
+else()
+    # Only VS 10+ resource compiler supports /nologo
+    if(MSVC_VERSION GREATER 1599)
+        set(rc_nologo_flag "/nologo")
+    else()
+        set(rc_nologo_flag)
+    endif()
+    set(CMAKE_RC_COMPILE_OBJECT "<CMAKE_RC_COMPILER> ${rc_nologo_flag} <FLAGS> <DEFINES> ${I18N_DEFS} /fo<OBJECT> <SOURCE>")
+    if(ARCH STREQUAL "arm")
+        set(CMAKE_ASM_COMPILE_OBJECT
+            "cl ${cl_includes_flag} /nologo /X /I${REACTOS_SOURCE_DIR}/include/asm /I${REACTOS_BINARY_DIR}/include/asm <FLAGS> <DEFINES> /D__ASM__ /D_USE_ML /EP /c <SOURCE> > <OBJECT>.tmp"
+            "<CMAKE_ASM_COMPILER> -nologo -o <OBJECT> <OBJECT>.tmp")
+    else()
+        set(CMAKE_ASM_COMPILE_OBJECT
+            "cl ${cl_includes_flag} /nologo /X /I${REACTOS_SOURCE_DIR}/include/asm /I${REACTOS_BINARY_DIR}/include/asm <FLAGS> <DEFINES> /D__ASM__ /D_USE_ML /EP /c <SOURCE> > <OBJECT>.tmp"
+            "<CMAKE_ASM_COMPILER> /nologo /Cp /Fo<OBJECT> /c /Ta <OBJECT>.tmp")
+    endif()
 endif()
 
 if(_VS_ANALYZE_)
@@ -84,8 +142,54 @@ set(CMAKE_RC_CREATE_SHARED_LIBRARY ${CMAKE_C_CREATE_SHARED_LIBRARY})
 set(CMAKE_ASM_CREATE_SHARED_LIBRARY ${CMAKE_C_CREATE_SHARED_LIBRARY})
 set(CMAKE_ASM_CREATE_STATIC_LIBRARY ${CMAKE_C_CREATE_STATIC_LIBRARY})
 
-macro(add_pch _target_name _FILE)
-endmacro()
+if(PCH)
+    macro(add_pch _target _pch _sources)
+
+        # Workaround for the MSVC toolchain (MSBUILD) /MP bug
+        set(_temp_gch ${CMAKE_CURRENT_BINARY_DIR}/${_target}.pch)
+        if(MSVC_IDE)
+            file(TO_NATIVE_PATH ${_temp_gch} _gch)
+        else()
+            set(_gch ${_temp_gch})
+        endif()
+
+        if(IS_CPP)
+            set(_pch_language CXX)
+            set(_cl_lang_flag "/TP")
+        else()
+            set(_pch_language C)
+            set(_cl_lang_flag "/TC")
+        endif()
+
+        if(MSVC_IDE)
+            set(_pch_path_name_flag "/Fp${_gch}")
+        endif()
+
+        # Build the precompiled header
+        # HEADER_FILE_ONLY FALSE: force compiling the header
+        set_source_files_properties(${_pch} PROPERTIES
+            HEADER_FILE_ONLY FALSE
+            LANGUAGE ${_pch_language}
+            COMPILE_FLAGS "${_cl_lang_flag} /Yc /Fp${_gch}"
+            OBJECT_OUTPUTS ${_gch})
+
+        # Prevent a race condition related to writing to the PDB files between the PCH and the excluded list of source files
+        get_target_property(_target_sources ${_target} SOURCES)
+        list(REMOVE_ITEM _target_sources ${_pch})
+        foreach(_target_src ${_target_sources})
+            set_property(SOURCE ${_target_src} APPEND PROPERTY OBJECT_DEPENDS ${_gch})
+        endforeach()
+
+        # Use the precompiled header with the specified source files, skipping the pch itself
+        list(REMOVE_ITEM ${_sources} ${_pch})
+        foreach(_src ${${_sources}})
+            set_property(SOURCE ${_src} APPEND_STRING PROPERTY COMPILE_FLAGS " /FI${_gch} /Yu${_gch} ${_pch_path_name_flag}")
+        endforeach()
+    endmacro()
+else()
+    macro(add_pch _target _pch _sources)
+    endmacro()
+endif()
 
 function(set_entrypoint _module _entrypoint)
     if(${_entrypoint} STREQUAL "0")
@@ -102,7 +206,11 @@ function(set_entrypoint _module _entrypoint)
 endfunction()
 
 function(set_subsystem MODULE SUBSYSTEM)
-    add_target_link_flags(${MODULE} "/subsystem:${SUBSYSTEM}")
+    if(ARCH STREQUAL "amd64")
+        add_target_link_flags(${MODULE} "/SUBSYSTEM:${SUBSYSTEM},5.02")
+    else()
+        add_target_link_flags(${MODULE} "/SUBSYSTEM:${SUBSYSTEM},5.01")
+    endif()
 endfunction()
 
 function(set_image_base MODULE IMAGE_BASE)
@@ -110,51 +218,78 @@ function(set_image_base MODULE IMAGE_BASE)
 endfunction()
 
 function(set_module_type_toolchain MODULE TYPE)
+    if(CPP_USE_STL)
+        if((${TYPE} STREQUAL "kernelmodedriver") OR (${TYPE} STREQUAL "wdmdriver"))
+            message(FATAL_ERROR "Use of STL in kernelmodedriver or wdmdriver type module prohibited")
+        endif()
+        target_link_libraries(${MODULE} cpprt stlport oldnames)
+    elseif(CPP_USE_RT)
+        target_link_libraries(${MODULE} cpprt)
+    endif()
     if((${TYPE} STREQUAL "win32dll") OR (${TYPE} STREQUAL "win32ocx") OR (${TYPE} STREQUAL "cpl"))
         add_target_link_flags(${MODULE} "/DLL")
     elseif(${TYPE} STREQUAL "kernelmodedriver")
         add_target_link_flags(${MODULE} "/DRIVER")
+    elseif(${TYPE} STREQUAL "wdmdriver")
+        add_target_link_flags(${MODULE} "/DRIVER:WDM")
+    endif()
+
+    if(RUNTIME_CHECKS)
+        target_link_libraries(${MODULE} runtmchk)
     endif()
-endfunction()
 
-function(set_rc_compiler)
 endfunction()
 
-#define those for having real libraries
+# Define those for having real libraries
 set(CMAKE_IMPLIB_CREATE_STATIC_LIBRARY "LINK /LIB /NOLOGO <LINK_FLAGS> /OUT:<TARGET> <OBJECTS>")
-set(CMAKE_STUB_ASM_COMPILE_OBJECT "<CMAKE_ASM_COMPILER> /Cp /Fo<OBJECT> /c /Ta <SOURCE>")
-macro(add_delay_importlibs MODULE)
-    foreach(LIB ${ARGN})
-        add_target_link_flags(${MODULE} "/DELAYLOAD:${LIB}.dll")
-        target_link_libraries(${MODULE} lib${LIB})
+
+if(ARCH STREQUAL "arm")
+    set(CMAKE_STUB_ASM_COMPILE_OBJECT "<CMAKE_ASM_COMPILER> -nologo -o <OBJECT> <SOURCE>")
+else()
+    set(CMAKE_STUB_ASM_COMPILE_OBJECT "<CMAKE_ASM_COMPILER> /nologo /Cp /Fo<OBJECT> /c /Ta <SOURCE>")
+endif()
+
+function(add_delay_importlibs _module)
+    get_target_property(_module_type ${_module} TYPE)
+    if(_module_type STREQUAL "STATIC_LIBRARY")
+        message(FATAL_ERROR "Cannot add delay imports to a static library")
+    endif()
+    foreach(_lib ${ARGN})
+        add_target_link_flags(${_module} "/DELAYLOAD:${_lib}.dll")
+        target_link_libraries(${_module} lib${_lib})
     endforeach()
-    target_link_libraries(${MODULE} delayimp)
-endmacro()
+    target_link_libraries(${_module} delayimp)
+endfunction()
 
 function(generate_import_lib _libname _dllname _spec_file)
 
     set(_def_file ${CMAKE_CURRENT_BINARY_DIR}/${_libname}_exp.def)
     set(_asm_stubs_file ${CMAKE_CURRENT_BINARY_DIR}/${_libname}_stubs.asm)
-    
+
     # Generate the asm stub file and the def file for import library
     add_custom_command(
         OUTPUT ${_asm_stubs_file} ${_def_file}
-        COMMAND native-spec2def --ms --kill-at -a=${SPEC2DEF_ARCH} --implib -n=${_dllname} -d=${_def_file} -l=${_asm_stubs_file} ${CMAKE_CURRENT_SOURCE_DIR}/${_spec_file}
+        COMMAND native-spec2def --ms -a=${SPEC2DEF_ARCH} --implib -n=${_dllname} -d=${_def_file} -l=${_asm_stubs_file} ${CMAKE_CURRENT_SOURCE_DIR}/${_spec_file}
         DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/${_spec_file} native-spec2def)
-    
+
     if(MSVC_IDE)
         # Compile the generated asm stub file
+        if(ARCH STREQUAL "arm")
+            set(_asm_stub_command ${CMAKE_ASM_COMPILER} -nologo -o ${_asm_stubs_file}.obj ${_asm_stubs_file})
+        else()
+            set(_asm_stub_command ${CMAKE_ASM_COMPILER} /Cp /Fo${_asm_stubs_file}.obj /c /Ta ${_asm_stubs_file})
+        endif()
         add_custom_command(
             OUTPUT ${_asm_stubs_file}.obj
-            COMMAND ${CMAKE_ASM_COMPILER} /Cp /Fo${_asm_stubs_file}.obj /c /Ta ${_asm_stubs_file}
+            COMMAND ${_asm_stub_command}
             DEPENDS ${_asm_stubs_file})
     else()
-        # be clear about the "language"
+        # Be clear about the "language"
         # Thanks MS for creating a stupid linker
         set_source_files_properties(${_asm_stubs_file} PROPERTIES LANGUAGE "STUB_ASM")
     endif()
 
-    # add our library
+    # Add our library
     if(MSVC_IDE)
         add_library(${_libname} STATIC EXCLUDE_FROM_ALL ${_asm_stubs_file}.obj)
         set_source_files_properties(${_asm_stubs_file}.obj PROPERTIES EXTERNAL_OBJECT 1)
@@ -162,7 +297,6 @@ function(generate_import_lib _libname _dllname _spec_file)
     else()
         # NOTE: as stub file and def file are generated in one pass, depending on one is like depending on the other
         add_library(${_libname} STATIC EXCLUDE_FROM_ALL ${_asm_stubs_file})
-        add_dependencies(${_libname} ${_def_file})
         # set correct "link rule"
         set_target_properties(${_libname} PROPERTIES LINKER_LANGUAGE "IMPLIB")
     endif()
@@ -170,13 +304,18 @@ function(generate_import_lib _libname _dllname _spec_file)
 endfunction()
 
 if(ARCH STREQUAL "amd64")
+    # This is NOT a typo.
+    # See https://software.intel.com/en-us/forums/topic/404643
     add_definitions(/D__x86_64)
     set(SPEC2DEF_ARCH x86_64)
+elseif(ARCH STREQUAL "arm")
+    add_definitions(/D__arm__)
+    set(SPEC2DEF_ARCH arm)
 else()
     set(SPEC2DEF_ARCH i386)
 endif()
 function(spec2def _dllname _spec_file)
-    # do we also want to add impotlib targets?
+    # Do we also want to add importlib targets?
     if(${ARGC} GREATER 2)
         if(${ARGN} STREQUAL "ADD_IMPORTLIB")
             set(__add_importlib TRUE)
@@ -185,18 +324,18 @@ function(spec2def _dllname _spec_file)
         endif()
     endif()
 
-    # get library basename
+    # Get library basename
     get_filename_component(_file ${_dllname} NAME_WE)
 
-    # error out on anything else than spec
+    # Error out on anything else than spec
     if(NOT ${_spec_file} MATCHES ".*\\.spec")
         message(FATAL_ERROR "spec2def only takes spec files as input.")
     endif()
 
-    #generate def for the DLL and C stubs file
+    # Generate exports def and C stubs file for the DLL
     add_custom_command(
         OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${_file}.def ${CMAKE_CURRENT_BINARY_DIR}/${_file}_stubs.c
-        COMMAND native-spec2def --ms --kill-at -a=${SPEC2DEF_ARCH} -n=${_dllname} -d=${CMAKE_CURRENT_BINARY_DIR}/${_file}.def -s=${CMAKE_CURRENT_BINARY_DIR}/${_file}_stubs.c ${CMAKE_CURRENT_SOURCE_DIR}/${_spec_file}
+        COMMAND native-spec2def --ms -a=${SPEC2DEF_ARCH} -n=${_dllname} -d=${CMAKE_CURRENT_BINARY_DIR}/${_file}.def -s=${CMAKE_CURRENT_BINARY_DIR}/${_file}_stubs.c ${CMAKE_CURRENT_SOURCE_DIR}/${_spec_file}
         DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/${_spec_file} native-spec2def)
 
     if(__add_importlib)
@@ -205,10 +344,10 @@ function(spec2def _dllname _spec_file)
 endfunction()
 
 macro(macro_mc FLAG FILE)
-    set(COMMAND_MC ${CMAKE_MC_COMPILER} ${FLAG} -r ${REACTOS_BINARY_DIR}/include/reactos -h ${REACTOS_BINARY_DIR}/include/reactos ${CMAKE_CURRENT_SOURCE_DIR}/${FILE}.mc)
+    set(COMMAND_MC ${CMAKE_MC_COMPILER} ${FLAG} -b ${CMAKE_CURRENT_SOURCE_DIR}/${FILE}.mc -r ${REACTOS_BINARY_DIR}/include/reactos -h ${REACTOS_BINARY_DIR}/include/reactos)
 endmacro()
 
-#pseh workaround
+# PSEH workaround
 set(PSEH_LIB "pseh")
 
 # Use a full path for the x86 version of ml when using x64 VS.
@@ -216,6 +355,8 @@ set(PSEH_LIB "pseh")
 # both the x86 and x64 versions of ml are available.
 if((ARCH STREQUAL "amd64") AND (DEFINED ENV{VCINSTALLDIR}))
     set(CMAKE_ASM16_COMPILER $ENV{VCINSTALLDIR}/bin/ml.exe)
+elseif(ARCH STREQUAL "arm")
+    set(CMAKE_ASM16_COMPILER armasm.exe)
 else()
     set(CMAKE_ASM16_COMPILER ml.exe)
 endif()
@@ -226,12 +367,18 @@ function(CreateBootSectorTarget _target_name _asm_file _binary_file _base_addres
 
     add_custom_command(
         OUTPUT ${_temp_file}
-        COMMAND ${CMAKE_C_COMPILER} /nologo /X /I${REACTOS_SOURCE_DIR}/include/asm /I${REACTOS_BINARY_DIR}/include/asm /D__ASM__ /D_USE_ML /EP /c ${_asm_file} > ${_temp_file}
+        COMMAND ${CMAKE_C_COMPILER} /nologo /X /I${REACTOS_SOURCE_DIR}/include/asm /I${REACTOS_BINARY_DIR}/include/asm /I${REACTOS_SOURCE_DIR}/boot/freeldr /D__ASM__ /D_USE_ML /EP /c ${_asm_file} > ${_temp_file}
         DEPENDS ${_asm_file})
 
+    if(ARCH STREQUAL "arm")
+        set(_asm16_command ${CMAKE_ASM16_COMPILER} -nologo -o ${_object_file} ${_temp_file})
+    else()
+        set(_asm16_command ${CMAKE_ASM16_COMPILER} /nologo /Cp /Fo${_object_file} /c /Ta ${_temp_file})
+    endif()
+
     add_custom_command(
         OUTPUT ${_object_file}
-        COMMAND ${CMAKE_ASM16_COMPILER} /nologo /Cp /Fo${_object_file} /c /Ta ${_temp_file}
+        COMMAND ${_asm16_command}
         DEPENDS ${_temp_file})
 
     add_custom_command(
@@ -246,3 +393,37 @@ endfunction()
 
 function(allow_warnings __module)
 endfunction()
+
+macro(add_asm_files _target)
+    if(MSVC_IDE AND (CMAKE_VERSION MATCHES "ReactOS"))
+        get_defines(_directory_defines)
+        get_includes(_directory_includes)
+        get_directory_property(_defines COMPILE_DEFINITIONS)
+        foreach(_source_file ${ARGN})
+            get_filename_component(_source_file_base_name ${_source_file} NAME_WE)
+            get_filename_component(_source_file_full_path ${_source_file} ABSOLUTE)
+            set(_preprocessed_asm_file ${CMAKE_CURRENT_BINARY_DIR}/asm/${_source_file_base_name}_${_target}.tmp)
+            set(_object_file ${CMAKE_CURRENT_BINARY_DIR}/asm/${_source_file_base_name}_${_target}.obj)
+            get_source_file_property(_defines_semicolon_list ${_source_file_full_path} COMPILE_DEFINITIONS)
+            unset(_source_file_defines)
+            foreach(_define ${_defines_semicolon_list})
+                if(NOT ${_define} STREQUAL "NOTFOUND")
+                    list(APPEND _source_file_defines -D${_define})
+                endif()
+            endforeach()
+            if(ARCH STREQUAL "arm")
+                set(_pp_asm_compile_command ${CMAKE_ASM_COMPILER} -nologo -o ${_object_file} ${_preprocessed_asm_file})
+            else()
+                set(_pp_asm_compile_command ${CMAKE_ASM_COMPILER} /nologo /Cp /Fo${_object_file} /c /Ta ${_preprocessed_asm_file})
+            endif()
+            add_custom_command(
+                OUTPUT ${_preprocessed_asm_file} ${_object_file}
+                COMMAND cl /nologo /X /I${REACTOS_SOURCE_DIR}/include/asm /I${REACTOS_BINARY_DIR}/include/asm ${_directory_includes} ${_source_file_defines} ${_directory_defines} /D__ASM__ /D_USE_ML /EP /c ${_source_file_full_path} > ${_preprocessed_asm_file} && ${_pp_asm_compile_command}
+                DEPENDS ${_source_file_full_path})
+            set_source_files_properties(${_object_file} PROPERTIES EXTERNAL_OBJECT 1)
+            list(APPEND ${_target} ${_object_file})
+        endforeach()
+    else()
+        list(APPEND ${_target} ${ARGN})
+    endif()
+endmacro()