[FREELDR][SDK:CMAKE] Move the `MSVC "linker script" file' functionality out of FreeLd...

[reactos.git] / sdk / cmake / msvc.cmake

diff --git a/sdk/cmake/msvc.cmake b/sdk/cmake/msvc.cmake
index b0c5f18..7f0ec98 100644 (file)
--- a/sdk/cmake/msvc.cmake
+++ b/sdk/cmake/msvc.cmake
@@ -540,3 +540,51 @@ macro(add_asm_files _target)
         list(APPEND ${_target} ${ARGN})
     endif()
 endmacro()
         list(APPEND ${_target} ${ARGN})
     endif()
 endmacro()

+
+function(add_linker_script _target _linker_script_file)
+    get_filename_component(_file_full_path ${_linker_script_file} ABSOLUTE)
+    get_filename_component(_file_name ${_linker_script_file} NAME)
+    set(_generated_file_path_prefix "${CMAKE_CURRENT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/${_target}.dir/${_file_name}")
+
+    # Generate the ASM module containing sections specifications and layout.
+    set(_generated_file "${_generated_file_path_prefix}.S")
+    add_custom_command(
+        OUTPUT ${_generated_file}
+        COMMAND "${CMAKE_COMMAND}" -E copy_if_different "${_file_full_path}" "${_generated_file}"
+        DEPENDS ${_file_full_path})
+    set_source_files_properties(${_generated_file} PROPERTIES LANGUAGE "ASM" GENERATED TRUE)
+    add_asm_files(${_target}_linker_file ${_generated_file})
+
+    # Generate the C module containing extra sections specifications and layout,
+    # as well as comment-type linker #pragma directives.
+    set(_generated_file "${_generated_file_path_prefix}.c")
+    add_custom_command(
+        OUTPUT ${_generated_file}
+        COMMAND "${CMAKE_COMMAND}" -E copy_if_different "${_file_full_path}" "${_generated_file}"
+        DEPENDS ${_file_full_path})
+    set_source_files_properties(${_generated_file} PROPERTIES LANGUAGE "C" GENERATED TRUE)
+    list(APPEND ${_target}_linker_file ${_generated_file})
+
+    # Add both files to the sources of the target.
+    target_sources(${_target} PRIVATE "${${_target}_linker_file}")
+
+    # Create the additional linker response file.
+    set(_generated_file "${_generated_file_path_prefix}.rsp")
+    if(USE_CLANG_CL)
+        set(_no_std_includes_flag "-nostdinc")
+    else()
+        set(_no_std_includes_flag "/X")
+    endif()
+    add_custom_command(
+        #OUTPUT ${_generated_file}
+        TARGET ${_target} PRE_LINK
+        COMMAND ${CMAKE_C_COMPILER} /nologo ${_no_std_includes_flag} /D__LINKER__ /EP /c "${_file_full_path}" > "${_generated_file}"
+        DEPENDS ${_file_full_path}
+        VERBATIM)
+    set_source_files_properties(${_generated_file} PROPERTIES GENERATED TRUE)
+    add_target_link_flags(${_target} "@${_generated_file}")
+
+    # Unfortunately LINK_DEPENDS is ignored in non-Makefile generators (for now...)
+    # See also http://www.cmake.org/pipermail/cmake/2010-May/037206.html
+    add_target_property(${_target} LINK_DEPENDS ${_generated_file})
+endfunction()