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CMakeLists.txt
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#
# Copyright (c) 2019 Vinnie Falco ([email protected])
# Copyright (c) 2021 DMitry Arkhipov ([email protected])
# Copyright (c) 2022 Alan de Freitas ([email protected])
# Copyright (c) 2025 Mohammad Nejati
#
# Distributed under the Boost Software License, Version 1.0. (See accompanying
# file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
#
# Official repository: https://github.com/cppalliance/http_proto
#
#-------------------------------------------------
#
# Project
#
#-------------------------------------------------
cmake_minimum_required(VERSION 3.8...3.20)
set(BOOST_HTTP_PROTO_VERSION 1)
if (BOOST_SUPERPROJECT_VERSION)
set(BOOST_HTTP_PROTO_VERSION ${BOOST_SUPERPROJECT_VERSION})
endif ()
project(boost_http_proto VERSION "${BOOST_HTTP_PROTO_VERSION}" LANGUAGES CXX)
set(BOOST_HTTP_PROTO_IS_ROOT OFF)
if (CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
set(BOOST_HTTP_PROTO_IS_ROOT ON)
endif ()
set(__ignore__ ${CMAKE_C_COMPILER})
#-------------------------------------------------
#
# Options
#
#-------------------------------------------------
if (BOOST_HTTP_PROTO_IS_ROOT)
include(CTest)
endif ()
option(BOOST_HTTP_PROTO_BUILD_TESTS "Build boost::http_proto tests" ${BUILD_TESTING})
option(BOOST_HTTP_PROTO_BUILD_EXAMPLES "Build boost::http_proto examples" ${BOOST_HTTP_PROTO_IS_ROOT})
# Check if environment variable BOOST_SRC_DIR is set
if (NOT DEFINED BOOST_SRC_DIR AND DEFINED ENV{BOOST_SRC_DIR})
set(DEFAULT_BOOST_SRC_DIR "$ENV{BOOST_SRC_DIR}")
else ()
set(DEFAULT_BOOST_SRC_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../..")
endif ()
set(BOOST_SRC_DIR ${DEFAULT_BOOST_SRC_DIR} CACHE STRING "Boost source dir to use when running CMake from this directory")
#-------------------------------------------------
#
# Boost modules
#
#-------------------------------------------------
# The boost super-project requires one explicit dependency per-line.
set(BOOST_HTTP_PROTO_DEPENDENCIES
Boost::align
Boost::assert
Boost::buffers
Boost::config
Boost::container_hash
Boost::system
Boost::throw_exception
Boost::url
Boost::utility
Boost::winapi)
foreach (BOOST_HTTP_PROTO_DEPENDENCY ${BOOST_HTTP_PROTO_DEPENDENCIES})
if (BOOST_HTTP_PROTO_DEPENDENCY MATCHES "^[ ]*Boost::([A-Za-z0-9_]+)[ ]*$")
list(APPEND BOOST_HTTP_PROTO_INCLUDE_LIBRARIES ${CMAKE_MATCH_1})
endif ()
endforeach ()
# Conditional dependencies
if (BOOST_HTTP_PROTO_BUILD_TESTS)
set(BOOST_HTTP_PROTO_UNIT_TEST_LIBRARIES filesystem)
endif ()
if (BOOST_HTTP_PROTO_BUILD_EXAMPLES)
# set(BOOST_HTTP_PROTO_EXAMPLE_LIBRARIES json)
endif ()
# Complete dependency list
set(BOOST_INCLUDE_LIBRARIES ${BOOST_HTTP_PROTO_INCLUDE_LIBRARIES} ${BOOST_HTTP_PROTO_UNIT_TEST_LIBRARIES} ${BOOST_HTTP_PROTO_EXAMPLE_LIBRARIES})
set(BOOST_EXCLUDE_LIBRARIES http_proto)
#-------------------------------------------------
#
# Add Boost Subdirectory
#
#-------------------------------------------------
if (BOOST_HTTP_PROTO_IS_ROOT)
set(CMAKE_FOLDER Dependencies)
# Find absolute BOOST_SRC_DIR
if (NOT IS_ABSOLUTE ${BOOST_SRC_DIR})
set(BOOST_SRC_DIR "${CMAKE_CURRENT_SOURCE_DIR}/${BOOST_SRC_DIR}")
endif ()
# Validate BOOST_SRC_DIR
set(BOOST_SRC_DIR_IS_VALID ON)
foreach (F "CMakeLists.txt" "Jamroot" "boost-build.jam" "bootstrap.sh" "libs")
if (NOT EXISTS "${BOOST_SRC_DIR}/${F}")
message(STATUS "${BOOST_SRC_DIR}/${F} does not exist. Fallback to find_package.")
set(BOOST_SRC_DIR_IS_VALID OFF)
break()
endif ()
endforeach ()
# Create Boost interface targets
if (BOOST_SRC_DIR_IS_VALID)
# From BOOST_SRC_DIR
if (BUILD_SHARED_LIBS)
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR})
endif ()
set(BOOST_EXCLUDE_LIBRARIES ${PROJECT_NAME})
set(PREV_BUILD_TESTING ${BUILD_TESTING})
set(BUILD_TESTING OFF CACHE BOOL "Build the tests." FORCE)
add_subdirectory(${BOOST_SRC_DIR} Dependencies/boost EXCLUDE_FROM_ALL)
set(BUILD_TESTING ${PREV_BUILD_TESTING} CACHE BOOL "Build the tests." FORCE)
set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${BOOST_SRC_DIR}/tools/cmake/include")
else ()
# From Boost Package
find_package(Boost REQUIRED COMPONENTS buffers filesystem url)
foreach (BOOST_INCLUDE_LIBRARY ${BOOST_INCLUDE_LIBRARIES})
if (NOT TARGET Boost::${BOOST_INCLUDE_LIBRARY})
add_library(Boost::${BOOST_INCLUDE_LIBRARY} ALIAS Boost::headers)
endif ()
endforeach ()
endif ()
unset(CMAKE_FOLDER)
endif ()
#-------------------------------------------------
#
# Library
#
#-------------------------------------------------
set_property(GLOBAL PROPERTY USE_FOLDERS ON)
file(GLOB_RECURSE BOOST_HTTP_PROTO_HEADERS CONFIGURE_DEPENDS include/boost/*.hpp include/boost/*.natvis)
file(GLOB_RECURSE BOOST_HTTP_PROTO_SOURCES CONFIGURE_DEPENDS src/*.cpp src/*.hpp)
source_group(TREE ${CMAKE_CURRENT_SOURCE_DIR}/include/boost PREFIX "" FILES ${BOOST_HTTP_PROTO_HEADERS})
source_group(TREE ${CMAKE_CURRENT_SOURCE_DIR}/src PREFIX "http_proto" FILES ${BOOST_HTTP_PROTO_SOURCES})
add_library(boost_http_proto ${BOOST_HTTP_PROTO_HEADERS} ${BOOST_HTTP_PROTO_SOURCES})
add_library(Boost::http_proto ALIAS boost_http_proto)
target_compile_features(boost_http_proto PUBLIC cxx_constexpr)
target_compile_definitions(boost_http_proto PUBLIC BOOST_HTTP_PROTO_NO_LIB=1)
target_include_directories(boost_http_proto PUBLIC "${PROJECT_SOURCE_DIR}/include")
target_link_libraries(boost_http_proto PUBLIC ${BOOST_HTTP_PROTO_DEPENDENCIES})
target_compile_definitions(boost_http_proto PUBLIC $<IF:$<BOOL:${BUILD_SHARED_LIBS}>,BOOST_HTTP_PROTO_DYN_LINK=1,BOOST_HTTP_PROTO_STATIC_LINK=1>)
target_compile_definitions(boost_http_proto PRIVATE BOOST_HTTP_PROTO_SOURCE)
find_package(ZLIB)
if (ZLIB_FOUND)
file(GLOB_RECURSE BOOST_HTTP_PROTO_ZLIB_SOURCES CONFIGURE_DEPENDS src_zlib/*.cpp src_zlib/*.hpp)
source_group(TREE ${CMAKE_CURRENT_SOURCE_DIR}/src_zlib PREFIX "http_proto" FILES ${BOOST_HTTP_PROTO_ZLIB_SOURCES})
add_library(boost_http_proto_zlib ${BOOST_HTTP_PROTO_HEADERS} ${BOOST_HTTP_PROTO_ZLIB_SOURCES})
add_library(Boost::http_proto_zlib ALIAS boost_http_proto_zlib)
target_link_libraries(boost_http_proto_zlib PUBLIC boost_http_proto)
target_link_libraries(boost_http_proto_zlib PRIVATE ZLIB::ZLIB)
target_compile_definitions(boost_http_proto_zlib PUBLIC BOOST_HTTP_PROTO_HAS_ZLIB)
target_compile_definitions(boost_http_proto_zlib PRIVATE BOOST_HTTP_PROTO_ZLIB_SOURCE)
endif ()
#-------------------------------------------------
#
# Tests
#
#-------------------------------------------------
if (BOOST_HTTP_PROTO_BUILD_TESTS)
add_subdirectory(test)
endif ()
#-------------------------------------------------
#
# Examples
#
#-------------------------------------------------
if (BOOST_HTTP_PROTO_BUILD_EXAMPLES)
# add_subdirectory(example)
endif ()