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Modernised all CMakeLists.txt files, and made it easier to use Simple-Web-Server as a sub-project

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This commit is contained in:
eidheim 2017-11-07 11:35:44 +01:00
commit 0d8caeca15
3 changed files with 63 additions and 47 deletions
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89
CMakeLists.txt
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@ -1,52 +1,75 @@
cmake_minimum_required (VERSION 2.8.8)
project (Simple-Web-Server)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -Wall -Wextra -Wsign-conversion")
include_directories(.)
project (Simple-Web-Server)
option(USE_STANDALONE_ASIO "set ON to use standalone Asio instead of Boost.Asio" OFF)
option(BUILD_TESTING "set ON to build library tests" OFF)
add_compile_options(-std=c++11 -Wall -Wextra -Wsign-conversion)
add_library(simple-web-server INTERFACE)
target_include_directories(simple-web-server INTERFACE ${CMAKE_CURRENT_SOURCE_DIR})
find_package(Threads REQUIRED)
target_link_libraries(simple-web-server INTERFACE ${CMAKE_THREAD_LIBS_INIT})
set(BOOST_COMPONENTS system filesystem thread)
# Late 2017 TODO: remove the following checks and always use std::regex
if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.9)
set(BOOST_COMPONENTS ${BOOST_COMPONENTS} regex)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DUSE_BOOST_REGEX")
if(USE_STANDALONE_ASIO)
target_compile_definitions(simple-web-server INTERFACE USE_STANDALONE_ASIO)
# TODO: Fix this:
# include(CheckIncludeFileCXX)
# CHECK_INCLUDE_FILE_CXX(asio.hpp HAVE_ASIO)
# if(NOT HAVE_ASIO)
# message(FATAL_ERROR "Standalone Asio not found")
# endif()
else()
find_package(Boost 1.53.0 COMPONENTS system thread REQUIRED)
target_link_libraries(simple-web-server INTERFACE ${Boost_LIBRARIES})
target_include_directories(simple-web-server INTERFACE ${Boost_INCLUDE_DIR})
# 2020 TODO: remove the following checks and always use std::regex
if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU" AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.9)
target_compile_definitions(simple-web-server INTERFACE USE_BOOST_REGEX)
find_package(Boost 1.53.0 COMPONENTS regex REQUIRED)
target_link_libraries(simple-web-server INTERFACE ${Boost_LIBRARIES})
target_include_directories(simple-web-server INTERFACE ${Boost_INCLUDE_DIR})
endif()
endif()
find_package(Boost 1.53.0 COMPONENTS ${BOOST_COMPONENTS} REQUIRED)
include_directories(SYSTEM ${Boost_INCLUDE_DIR})
if(WIN32)
target_link_libraries(simple-web-server INTERFACE ws2_32 wsock32)
endif()
if(APPLE)
set(OPENSSL_ROOT_DIR "/usr/local/opt/openssl")
endif()
add_executable(http_examples http_examples.cpp)
target_link_libraries(http_examples ${Boost_LIBRARIES})
target_link_libraries(http_examples ${CMAKE_THREAD_LIBS_INIT})
#TODO: add requirement for version 1.0.1g (can it be done in one line?)
find_package(OpenSSL)
if(OPENSSL_FOUND)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DHAVE_OPENSSL")
target_link_libraries(http_examples ${OPENSSL_LIBRARIES})
include_directories(SYSTEM ${OPENSSL_INCLUDE_DIR})
add_executable(https_examples https_examples.cpp)
target_link_libraries(https_examples ${Boost_LIBRARIES})
target_link_libraries(https_examples ${OPENSSL_LIBRARIES})
target_link_libraries(https_examples ${CMAKE_THREAD_LIBS_INIT})
target_compile_definitions(simple-web-server INTERFACE HAVE_OPENSSL)
target_link_libraries(simple-web-server INTERFACE ${OPENSSL_LIBRARIES})
target_include_directories(simple-web-server INTERFACE ${OPENSSL_INCLUDE_DIR})
endif()
if(MSYS) #TODO: Is MSYS true when MSVC is true?
target_link_libraries(http_examples ws2_32 wsock32)
# if Simple-Web-Server is not a sub-project:
if("${CMAKE_SOURCE_DIR}" STREQUAL "${CMAKE_CURRENT_SOURCE_DIR}")
add_executable(http_examples http_examples.cpp)
target_link_libraries(http_examples simple-web-server)
find_package(Boost 1.53.0 COMPONENTS system filesystem REQUIRED)
target_link_libraries(http_examples ${Boost_LIBRARIES})
target_include_directories(http_examples PRIVATE ${Boost_INCLUDE_DIR})
if(OPENSSL_FOUND)
target_link_libraries(https_examples ws2_32 wsock32)
add_executable(https_examples https_examples.cpp)
target_link_libraries(https_examples simple-web-server)
target_link_libraries(https_examples ${Boost_LIBRARIES})
target_include_directories(https_examples PRIVATE ${Boost_INCLUDE_DIR})
endif()
set(BUILD_TESTING ON)
install(FILES server_http.hpp client_http.hpp server_https.hpp client_https.hpp crypto.hpp utility.hpp status_code.hpp DESTINATION include/simple-web-server)
endif()
enable_testing()
add_subdirectory(tests)
install(FILES server_http.hpp client_http.hpp server_https.hpp client_https.hpp crypto.hpp utility.hpp status_code.hpp DESTINATION include/simple-web-server)
if(BUILD_TESTING)
enable_testing()
add_subdirectory(tests)
endif()