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# LLFIO cmake
# (C) 2016-2019 Niall Douglas <http://www.nedproductions.biz/>
# File Created: June 2016
#
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License in the accompanying file
# Licence.txt or at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
#
# Distributed under the Boost Software License, Version 1.0.
# (See accompanying file Licence.txt or copy at
# http://www.boost.org/LICENSE_1_0.txt)
cmake_minimum_required(VERSION 3.1 FATAL_ERROR)
include(cmake/QuickCppLibBootstrap.cmake)
include(QuickCppLibRequireOutOfSourceBuild)
include(QuickCppLibUtils)
include(QuickCppLibPolicies)
option(LLFIO_USE_EXPERIMENTAL_SG14_STATUS_CODE "Whether to use SG14 status_code for failure handling" OFF)
# Parse the version we tell cmake directly from the version header file
ParseProjectVersionFromHpp("${CMAKE_CURRENT_SOURCE_DIR}/include/llfio/version.hpp" VERSIONSTRING)
# Sets the usual PROJECT_NAME etc
project(llfio VERSION ${VERSIONSTRING} LANGUAGES C CXX)
# Also set a *cmake* namespace for this project
set(PROJECT_NAMESPACE)
# Setup this cmake environment for this project
include(QuickCppLibSetupProject)
if(NOT PROJECT_IS_DEPENDENCY)
# This file should be updated with the last git SHA next commit
UpdateRevisionHppFromGit("${CMAKE_CURRENT_SOURCE_DIR}/include/llfio/revision.hpp")
endif()
# Find my library dependencies
find_quickcpplib_library(outcome
GIT_REPOSITORY "https://github.com/ned14/outcome.git"
GIT_TAG "develop"
REQUIRED
)
if(WIN32)
add_subdirectory("include/llfio/ntkernel-error-category" EXCLUDE_FROM_ALL)
endif()
# Make the standard static and shared libraries, and if supported by this compiler, C++ modules
# for both static and shared libraries as well. For the non-C++ module variants, makes the
# interface headers into precompiled headers. Only builds all of them if this is the topmost
# CMakeLists, else built only if something upstream is dependent on one of them.
include(QuickCppLibMakeLibrary)
# Make an interface only library so dependent CMakeLists can bring in this header-only library
include(QuickCppLibMakeHeaderOnlyLibrary)
# If we have concepts, enable those for both myself and all inclusions
apply_cxx_concepts_to(INTERFACE llfio_hl)
apply_cxx_concepts_to(PUBLIC llfio_sl llfio_dl)
# If we have coroutines, enable those for the shared library build only
apply_cxx_coroutines_to(PRIVATE llfio_dl)
# Make preprocessed edition of this library target
if(NOT PROJECT_IS_DEPENDENCY)
if(NOT PYTHONINTERP_FOUND)
indented_message(WARNING "NOT rebuilding preprocessed edition of library due to python not being installed")
elseif(FALSE)
# See if the ply package is installed so pcpp can run
execute_process(COMMAND python -c "import ply" RESULT_VARIABLE python_has_ply)
if(NOT python_has_ply EQUAL 0)
indented_message(WARNING "NOT rebuilding preprocessed edition of library due to installed python not having the ply package installed. "
"Do 'pip install ply' to fix. NOTE that doxygen docs will NOT build without the precompiled edition.")
else()
function(make_single_header target name)
add_partial_preprocess(${target}
"${name}"
${ARGN}
-I ..
--passthru-defines --passthru-unfound-includes --passthru-unknown-exprs
--line-directive #--passthru-comments --debug
-U QUICKCPPLIB_ENABLE_VALGRIND
-U DOXYGEN_SHOULD_SKIP_THIS -U DOXYGEN_IS_IN_THE_HOUSE
-U STANDARDESE_IS_IN_THE_HOUSE
-U __has_include -U __has_feature -U __has_cpp_attribute
-U __cpp_modules
-U gsl_FEATURE_WITH_CONTAINER_TO_STD -U gsl_FEATURE_MAKE_SPAN_TO_STD -U gsl_FEATURE_BYTE_SPAN_TO_STD
-U gsl_FEATURE_HAVE_IMPLICIT_MACRO -U gsl_FEATURE_HAVE_OWNER_MACRO -U gsl_FEATURE_EXPERIMENTAL_RETURN_GUARD
WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
)
if(NOT CMAKE_VERSION VERSION_LESS 3.3)
add_dependencies(llfio_hl ${target})
endif()
endfunction()
make_single_header(llfio_hl-pp-posix
"${CMAKE_CURRENT_SOURCE_DIR}/single-header/llfio-posix.hpp"
"${CMAKE_CURRENT_SOURCE_DIR}/include/llfio/v2.0/llfio.hpp"
#-D QUICKCPPLIB_USE_STD_BYTE -D QUICKCPPLIB_USE_STD_OPTIONAL -D QUICKCPPLIB_USE_STD_SPAN
-U gsl_COMPILER_MSVC_VERSION -U gsl_HAS_CPP0X -D gsl_CPLUSPLUS=201703 -D __cplusplus=201703
-D LLFIO_LEAN_AND_MEAN -U _WIN32
-D LLFIO_EXPERIMENTAL_STATUS_CODE=1)
make_single_header(llfio_hl-pp-win
"${CMAKE_CURRENT_SOURCE_DIR}/single-header/llfio-win.hpp"
"${CMAKE_CURRENT_SOURCE_DIR}/include/llfio/v2.0/llfio.hpp"
#-D QUICKCPPLIB_USE_STD_BYTE -D QUICKCPPLIB_USE_STD_OPTIONAL -D QUICKCPPLIB_USE_STD_SPAN
-D gsl_CPLUSPLUS=201703 -D __cplusplus=201703
-D LLFIO_LEAN_AND_MEAN -D _WIN32
-D LLFIO_EXPERIMENTAL_STATUS_CODE=1)
make_single_header(llfio_hl-pp-abi
"${CMAKE_CURRENT_SOURCE_DIR}/single-header/abi.hpp"
"${CMAKE_CURRENT_SOURCE_DIR}/include/llfio/v2.0/llfio.hpp"
-D LLFIO_EXPERIMENTAL_STATUS_CODE=1
-D LLFIO_DISABLE_ABI_PERMUTATION=1
-D OUTCOME_DISABLE_ABI_PERMUTATION=1
-D QUICKCPPLIB_DISABLE_ABI_PERMUTATION=1
-U LLFIO_UNSTABLE_VERSION
-U OUTCOME_UNSTABLE_VERSION)
endif()
endif()
endif()
# Create a custom doxygen generation target
include(QuickCppLibMakeDoxygen)
# Set the standard definitions for these libraries and bring in the all_* helper functions
include(QuickCppLibApplyDefaultDefinitions)
# Set the C++ features this library requires
all_compile_features(PUBLIC
# cxx_exceptions ## Annoyingly not supported by cmake 3.6
cxx_alias_templates
cxx_variadic_templates
cxx_noexcept
cxx_constexpr
cxx_lambda_init_captures
cxx_attributes
cxx_generic_lambdas
)
if(NOT MSVC OR CMAKE_VERSION VERSION_GREATER 3.59)
all_compile_features(PUBLIC
cxx_variable_templates
)
endif()
# Set the library dependencies this library has
all_link_libraries(PUBLIC quickcpplib::hl outcome::hl Threads::Threads)
# Set the system dependencies this library has
if(CMAKE_SYSTEM_NAME MATCHES "Linux")
find_library(libstdcxx_stdcxxfs stdc++fs)
if(libstdcxx_stdcxxfs MATCHES "NOTFOUND")
set(libstdcxx_stdcxxfs -lstdc++fs)
endif()
all_link_libraries(PUBLIC ${libstdcxx_stdcxxfs} rt)
endif()
if(CMAKE_SYSTEM_NAME MATCHES "FreeBSD" OR APPLE)
find_library(libcxx_cxxexperimental c++experimental)
all_link_libraries(PUBLIC ${libcxx_cxxexperimental})
endif()
# Set any macros this library requires
all_compile_definitions(PRIVATE LLFIO_INCLUDE_ASYNC_FILE_HANDLE=1 LLFIO_INCLUDE_STORAGE_PROFILE=1)
foreach(target ${llfio_EXAMPLE_TARGETS})
target_compile_definitions(${target} PRIVATE LLFIO_INCLUDE_ASYNC_FILE_HANDLE=1 LLFIO_INCLUDE_STORAGE_PROFILE=1)
endforeach()
if(LLFIO_USE_EXPERIMENTAL_SG14_STATUS_CODE)
all_compile_definitions(PUBLIC LLFIO_EXPERIMENTAL_STATUS_CODE=1)
endif()
if(WIN32)
all_compile_definitions(PRIVATE _WIN32_WINNT=0x600) ## Target WinVista
if(NOT LLFIO_USE_EXPERIMENTAL_SG14_STATUS_CODE)
target_link_libraries(llfio_dl PUBLIC ntkernel-error-category::dl)
target_link_libraries(llfio_sl PUBLIC ntkernel-error-category::sl)
endif()
endif()
# Anyone using the static or dynamic libraries is not using the header only variant
foreach(lib llfio_sl llfio_dl)
target_compile_definitions(${lib} INTERFACE LLFIO_HEADERS_ONLY=0)
target_compile_definitions(${lib} PRIVATE LLFIO_SOURCE=1)
endforeach()
if(TARGET llfio-example_single-header)
set(compiler_has_cxx_17 0)
foreach(feature ${CMAKE_CXX_COMPILE_FEATURES})
if(feature STREQUAL "cxx_std_17")
set(compiler_has_cxx_17 1)
endif()
endforeach()
# The single header test requires C++ 17
if(compiler_has_cxx_17)
target_compile_features(llfio-example_single-header PRIVATE cxx_std_17)
else()
set_target_properties(llfio-example_single-header PROPERTIES EXCLUDE_FROM_ALL ON EXCLUDE_FROM_DEFAULT_BUILD ON)
endif()
endif()
if(NOT PROJECT_IS_DEPENDENCY)
# For all possible configurations of this library, add each test
include(QuickCppLibMakeStandardTests)
# For each test target, set definitions and linkage
foreach(target ${llfio_COMPILE_TEST_TARGETS} ${llfio_TEST_TARGETS})
target_compile_definitions(${target} PRIVATE LLFIO_INCLUDE_ASYNC_FILE_HANDLE=1 LLFIO_INCLUDE_STORAGE_PROFILE=1)
endforeach()
find_quickcpplib_library(kerneltest
GIT_REPOSITORY "https://github.com/ned14/kerneltest.git"
REQUIRED
)
foreach(test_target ${llfio_TEST_TARGETS})
target_link_libraries(${test_target} PRIVATE kerneltest::hl)
if(test_target MATCHES "coroutines")
apply_cxx_coroutines_to(PRIVATE ${test_target})
endif()
endforeach()
if(MSVC)
foreach(test_target ${llfio_TEST_TARGETS})
target_compile_options(${test_target} PRIVATE /wd4503) ## decorated name length exceeded
if(NOT CLANG)
target_compile_options(${test_target} PRIVATE /permissive-) ## future parsing
endif()
endforeach()
endif()
endif()
# Cache this library's auto scanned sources for later reuse
include(QuickCppLibCacheLibrarySources)
# Make available this library for install and export
include(QuickCppLibMakeInstall)
include(QuickCppLibMakeExport)
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