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|
#[==[.md
# vtkcompiletools-config.cmake
This file is used by CMake when finding VTK's compile tools.
#]==]
cmake_policy(PUSH)
cmake_policy(VERSION 3.8...3.12)
set("${CMAKE_FIND_PACKAGE_NAME}_VERSION" "@VTK_MAJOR_VERSION@.@VTK_MINOR_VERSION@.@VTK_BUILD_VERSION@")
set("${CMAKE_FIND_PACKAGE_NAME}_FOUND" 1)
include("${CMAKE_CURRENT_LIST_DIR}/${CMAKE_FIND_PACKAGE_NAME}-targets.cmake")
include("${CMAKE_CURRENT_LIST_DIR}/${CMAKE_FIND_PACKAGE_NAME}-vtk-module-properties.cmake")
set(_compile_tools_empty_input_file "${CMAKE_BINARY_DIR}/CMakeFiles/${CMAKE_FIND_PACKAGE_NAME}_empty.h")
set(_compile_tools_output_file "${CMAKE_BINARY_DIR}/CMakeFiles/${CMAKE_FIND_PACKAGE_NAME}_macros.h")
if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU" OR
CMAKE_CXX_COMPILER_ID MATCHES "Clang")
set(_compile_tools_command
-dM -E
-o "${_compile_tools_output_file}"
"${_compile_tools_empty_input_file}")
else ()
if (NOT ${CMAKE_FIND_PACKAGE_NAME}_FIND_QUIETLY)
message(WARNING
"The detected C++ compiler (${CMAKE_CXX_COMPILER_ID}) is unsupported for "
"correct builds under cross-compilation. Please file an issue with VTK "
"for this configuration.")
endif ()
endif ()
if (_compile_tools_command)
if (NOT TARGET "${CMAKE_FIND_PACKAGE_NAME}_macros")
# Generate the input file.
file(GENERATE
OUTPUT "${_compile_tools_empty_input_file}"
CONTENT "")
separate_arguments(_compile_tools_flags NATIVE_COMMAND "${CMAKE_CXX_FLAGS}")
# Add a custom command and target to generate the macro headers.
add_custom_command(
OUTPUT "${_compile_tools_output_file}"
COMMAND "${CMAKE_CXX_COMPILER}"
${_compile_tools_flags}
${_compile_tools_command}
DEPENDS "${CMAKE_CXX_COMPILER}"
"${_compile_tools_empty_input_file}"
COMMENT "Detecting builtin compiler preprocessor defines for ${CMAKE_FIND_PACKAGE_NAME}")
add_custom_target("${CMAKE_FIND_PACKAGE_NAME}_macros"
DEPENDS
"${_compile_tools_output_file}")
unset(_compile_tools_flags)
endif ()
set("_${CMAKE_FIND_PACKAGE_NAME}_macros_file" "${_compile_tools_output_file}")
endif ()
unset(_compile_tools_command)
unset(_compile_tools_output_file)
unset(_compile_tools_empty_input_file)
cmake_policy(POP)
|
