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if(WIN32)
# 3.16 for MSVC_RUNTIME_LIBRARY
cmake_minimum_required(VERSION 3.16)
else()
cmake_minimum_required(VERSION 3.14)
endif()
project(vcpkg C CXX)
include(cmake/utilities.cmake)
# ===============
# === Options ===
# ===============
include(CMakeDependentOption)
option(BUILD_TESTING "Option for enabling testing" ON)
option(VCPKG_ALLOW_APPLE_CLANG "Option for allowing apple clang, even versions that we don't know will work" OFF)
option(VCPKG_DEVELOPMENT_WARNINGS "Option for turning on all warnings" ON)
option(VCPKG_WARNINGS_AS_ERRORS "Set warnings to be errors" ${VCPKG_DEVELOPMENT_WARNINGS})
option(VCPKG_BUILD_FUZZING "Option for enabling vcpkg-fuzz support" OFF)
option(VCPKG_EMBED_GIT_SHA "Option for to fill in the Git SHA version; off by default to avoid privacy concerns out of official builds" OFF)
CMAKE_DEPENDENT_OPTION(VCPKG_BUILD_BENCHMARKING "Option for enabling benchmarking" OFF
"BUILD_TESTING" OFF)
if(WERROR)
message(DEPRECATION "-DWERROR is no longer a supported flag. It doesn't do anything.")
endif()
if(DEFINE_DISABLE_METRICS OR VCPKG_DISABLE_METRICS)
message(DEPRECATION "DEFINE_DISABLE_METRICS / VCPKG_DISABLE_METRICS are now handled by creating a "
"file vcpkg.disable_metrics next to the binary.")
endif()
# =============
# === Files ===
# =============
file(GLOB VCPKGLIB_SOURCES CONFIGURE_DEPENDS src/vcpkg/*.cpp)
file(GLOB VCPKGLIB_BASE_SOURCES CONFIGURE_DEPENDS src/vcpkg/base/*.cpp)
file(GLOB VCPKGLIB_INCLUDES CONFIGURE_DEPENDS include/vcpkg/*.h include/vcpkg/fwd/*.h)
file(GLOB VCPKGLIB_BASE_INCLUDES CONFIGURE_DEPENDS include/vcpkg/base/*.h include/vcpkg/base/fwd/*.h)
set(VCPKG_SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/src/vcpkg.cpp)
file(GLOB VCPKG_TEST_SOURCES CONFIGURE_DEPENDS src/vcpkg-test/*.cpp)
file(GLOB VCPKG_TEST_INCLUDES CONFIGURE_DEPENDS include/vcpkg-test/*.h)
file(GLOB VCPKG_FUZZ_SOURCES CONFIGURE_DEPENDS src/vcpkg-fuzz/*.cpp)
# ========================
# === System detection ===
# ========================
vcpkg_detect_compiler()
vcpkg_detect_standard_library()
vcpkg_detect_std_filesystem()
if (VCPKG_EMBED_GIT_SHA)
find_package(Git REQUIRED)
execute_process(
COMMAND "${GIT_EXECUTABLE}" status --porcelain=v1
WORKING_DIRECTORY ${CMAKE_CURRENT_LIST_DIR}
OUTPUT_VARIABLE VCPKG_GIT_STATUS
OUTPUT_STRIP_TRAILING_WHITESPACE
)
if (VCPKG_GIT_STATUS STREQUAL "")
execute_process(
COMMAND "${GIT_EXECUTABLE}" rev-parse HEAD
WORKING_DIRECTORY ${CMAKE_CURRENT_LIST_DIR}
OUTPUT_VARIABLE VCPKG_VERSION
OUTPUT_STRIP_TRAILING_WHITESPACE
)
else()
message(WARNING "Skipping embedding SHA due to local changes.")
endif()
endif()
if (NOT DEFINED VCPKG_VERSION OR VCPKG_VERSION STREQUAL "")
set(VCPKG_VERSION "unknownhash")
endif()
set(VCPKG_BASE_VERSION "2021-01-13")
set(CMAKE_CXX_EXTENSIONS OFF)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_CXX_STANDARD 17)
if(MSVC)
string(REGEX REPLACE "[-/]W[0-4]" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
if (CMAKE_BUILD_TYPE STREQUAL "Release")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /Zi /guard:cf")
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /DEBUG /debugtype:cv,fixup /guard:cf")
endif()
endif()
if(APPLE)
SET(CMAKE_C_ARCHIVE_CREATE "<CMAKE_AR> Scr <TARGET> <LINK_FLAGS> <OBJECTS>")
SET(CMAKE_CXX_ARCHIVE_CREATE "<CMAKE_AR> Scr <TARGET> <LINK_FLAGS> <OBJECTS>")
SET(CMAKE_C_ARCHIVE_FINISH "<CMAKE_RANLIB> -no_warning_for_no_symbols -c <TARGET>")
SET(CMAKE_CXX_ARCHIVE_FINISH "<CMAKE_RANLIB> -no_warning_for_no_symbols -c <TARGET>")
endif()
# ===============
# === Targets ===
# ===============
# === Target: vcpkglib ===
add_library(vcpkglib
${VCPKGLIB_BASE_SOURCES}
${VCPKGLIB_SOURCES}
${VCPKGLIB_BASE_INCLUDES}
${VCPKGLIB_INCLUDES})
target_include_directories(vcpkglib PUBLIC include)
vcpkg_target_add_warning_options(vcpkglib)
target_compile_definitions(vcpkglib PUBLIC
VCPKG_USE_STD_FILESYSTEM=$<BOOL:${VCPKG_USE_STD_FILESYSTEM}>
VCPKG_VERSION=${VCPKG_VERSION}
VCPKG_BASE_VERSION=${VCPKG_BASE_VERSION}
)
set(THREADS_PREFER_PTHREAD_FLAG ON)
find_package(Threads REQUIRED)
target_link_libraries(vcpkglib PRIVATE Threads::Threads)
if(VCPKG_CXXFS_LIBRARY)
target_link_libraries(vcpkglib PRIVATE ${VCPKG_CXXFS_LIBRARY})
endif()
if(MSVC)
get_target_property(_srcs vcpkglib SOURCES)
if(NOT CMAKE_GENERATOR MATCHES "Visual Studio .*")
set_property(SOURCE src/pch.cpp APPEND PROPERTY OBJECT_OUTPUTS "${CMAKE_CURRENT_BINARY_DIR}/pch.pch")
set_property(SOURCE ${_srcs} APPEND PROPERTY OBJECT_DEPENDS "${CMAKE_CURRENT_BINARY_DIR}/pch.pch")
endif()
set_source_files_properties(src/pch.cpp PROPERTIES COMPILE_FLAGS "/Ycpch.h")
target_sources(vcpkglib PRIVATE src/pch.cpp)
target_compile_options(vcpkglib PRIVATE /Yupch.h /FIpch.h /Zm200)
else()
target_compile_options(vcpkglib PRIVATE -include "${CMAKE_CURRENT_SOURCE_DIR}/include/pch.h")
endif()
if (MINGW)
target_compile_definitions(vcpkglib
PUBLIC
UNICODE
_WIN32_WINNT=0x0601
WINHTTP_ACCESS_TYPE_AUTOMATIC_PROXY=4
__fastfail=exit)
target_link_libraries(vcpkglib PUBLIC winhttp bcrypt version ole32 uuid)
endif()
# === Target: vcpkg ===
add_executable(vcpkg ${VCPKG_SOURCES})
target_link_libraries(vcpkg PRIVATE vcpkglib)
vcpkg_target_add_warning_options(vcpkg)
# === Target: vcpkg-test ===
if (BUILD_TESTING)
enable_testing()
add_executable(vcpkg-test
${VCPKG_TEST_SOURCES}
${VCPKG_TEST_INCLUDES})
target_link_libraries(vcpkg-test PRIVATE vcpkglib)
vcpkg_target_add_warning_options(vcpkg-test)
add_test(NAME default COMMAND vcpkg-test --order rand --rng-seed time)
if (VCPKG_BUILD_BENCHMARKING)
target_compile_options(vcpkg-test PRIVATE -DCATCH_CONFIG_ENABLE_BENCHMARKING)
endif()
endif()
# === Target: vcpkg-fuzz ===
if(VCPKG_BUILD_FUZZING)
add_executable(vcpkg-fuzz ${VCPKG_FUZZ_SOURCES})
target_link_libraries(vcpkg-fuzz PRIVATE vcpkglib)
vcpkg_target_add_warning_options(vcpkg-fuzz)
endif()
# === Target: tls12-download ===
set(TLS12_DOWNLOAD_SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/src/tls12-download.c)
if(WIN32)
add_executable(tls12-download ${TLS12_DOWNLOAD_SOURCES})
set_property(TARGET tls12-download PROPERTY MSVC_RUNTIME_LIBRARY "MultiThreaded")
set_property(TARGET tls12-download APPEND PROPERTY LINK_OPTIONS "$<IF:$<CONFIG:Debug>,,/ENTRY:entry>")
target_link_libraries(tls12-download winhttp)
endif()
# === Target: format ===
find_program(CLANG_FORMAT clang-format)
if(CLANG_FORMAT)
# doing all of these formats in one line has a tendency to overflow the command line length
add_custom_target(format
COMMAND ${CLANG_FORMAT} -i -verbose ${CMAKE_CURRENT_SOURCE_DIR}/src/pch.cpp
COMMAND ${CLANG_FORMAT} -i -verbose ${VCPKGLIB_BASE_SOURCES}
COMMAND ${CLANG_FORMAT} -i -verbose ${VCPKGLIB_SOURCES}
COMMAND ${CLANG_FORMAT} -i -verbose ${CMAKE_CURRENT_SOURCE_DIR}/include/pch.h
COMMAND ${CLANG_FORMAT} -i -verbose ${VCPKGLIB_BASE_INCLUDES}
COMMAND ${CLANG_FORMAT} -i -verbose ${VCPKGLIB_INCLUDES}
COMMAND ${CLANG_FORMAT} -i -verbose ${VCPKG_SOURCES}
COMMAND ${CLANG_FORMAT} -i -verbose ${VCPKG_TEST_SOURCES}
COMMAND ${CLANG_FORMAT} -i -verbose ${VCPKG_TEST_INCLUDES}
COMMAND ${CLANG_FORMAT} -i -verbose ${VCPKG_FUZZ_SOURCES}
COMMAND ${CLANG_FORMAT} -i -verbose ${TLS12_DOWNLOAD_SOURCES}
)
endif()
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