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Add support for CMake 3.28 C++ modules

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This commit is contained in:
Luis Caro Campos 2023-10-12 15:15:26 +01:00
parent 130cf54cbc
commit de93890939
1 changed files with 14 additions and 4 deletions
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18
CMakeLists.txt
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@ -1,4 +1,4 @@
cmake_minimum_required(VERSION 3.8...3.26)
cmake_minimum_required(VERSION 3.8...3.28)
# Fallback for using newer policies on CMake <3.12.
if(${CMAKE_VERSION} VERSION_LESS 3.12)
@ -26,7 +26,7 @@ endfunction()
# DEPRECATED! Should be merged into add_module_library.
function(enable_module target)
if (MSVC)
if (MSVC AND CMAKE_VERSION VERSION_LESS 3.28)
set(BMI ${CMAKE_CURRENT_BINARY_DIR}/${target}.ifc)
target_compile_options(${target}
PRIVATE /interface /ifcOutput ${BMI}
@ -65,7 +65,7 @@ function(add_module_library name)
# `std` is affected by CMake options and may be higher than C++20.
get_target_property(std ${name} CXX_STANDARD)
if (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
if (CMAKE_CXX_COMPILER_ID MATCHES "Clang" AND CMAKE_VERSION VERSION_LESS 3.28)
set(pcms)
foreach (src ${sources})
get_filename_component(pcm ${src} NAME_WE)
@ -103,7 +103,11 @@ function(add_module_library name)
DEPENDS ${pcm})
endforeach ()
endif ()
target_sources(${name} PRIVATE ${sources})
if(CMAKE_VERSION VERSION_LESS 3.28)
target_sources(${name} PRIVATE ${sources})
else()
target_sources(${name} PUBLIC FILE_SET fmt_module TYPE CXX_MODULES FILES ${sources})
endif()
endfunction()
include(CMakeParseArguments)
@ -384,8 +388,14 @@ if (FMT_INSTALL)
LIBRARY DESTINATION ${FMT_LIB_DIR}
ARCHIVE DESTINATION ${FMT_LIB_DIR}
PUBLIC_HEADER DESTINATION "${FMT_INC_DIR}/fmt"
FILE_SET fmt_module DESTINATION "${FMT_LIB_DIR}/cxx/miu"
RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})
if(FMT_MODULE AND CMAKE_VERSION VERSION_GREATER_EQUAL 3.28)
#Install format.cc and os.cc which are #included by the fmt.cc module interface file
install(FILES src/format.cc src/os.cc DESTINATION "${FMT_LIB_DIR}/cxx/miu/src")
endif()
# Use a namespace because CMake provides better diagnostics for namespaced
# imported targets.
export(TARGETS ${INSTALL_TARGETS} NAMESPACE fmt::