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cmake_minimum_required(VERSION 3.14)
project(cmark
LANGUAGES C CXX
VERSION 0.31.2)
set(CMAKE_C_STANDARD 99)
set(CMAKE_C_STANDARD_REQUIRED YES)
set(CMAKE_C_EXTENSIONS NO)
if(CMAKE_BUILD_TYPE STREQUAL Asan)
list(APPEND CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/cmake/modules)
include(FindAsan)
endif()
# Include module for functions
# - 'write_basic_package_version_file'
# - 'configure_package_config_file'
include(CMakePackageConfigHelpers)
include(CTest)
include(GenerateExportHeader)
include(GNUInstallDirs)
if(NOT MSVC OR CMAKE_HOST_SYSTEM_NAME STREQUAL Windows)
set(CMAKE_INSTALL_SYSTEM_RUNTIME_LIBS_NO_WARNINGS ON)
include(InstallRequiredSystemLibraries)
endif()
if("${CMAKE_SOURCE_DIR}" STREQUAL "${CMAKE_BINARY_DIR}")
message(FATAL_ERROR "Do not build in-source.\nPlease remove CMakeCache.txt and the CMakeFiles/ directory.\nThen: mkdir build ; cd build ; cmake .. ; make")
endif()
# Backwards Compatibility
# TODO: remove this once there has been a period to enable people to migrate
set(_CMARK_BUILD_SHARED_LIBS_DEFAULT NO)
if(DEFINED CMARK_SHARED)
message(AUTHOR_WARNING [=[
'CMARK_SHARED' has been replaced with the standard 'BUILD_SHARED_LIBS' to control the library type.
]=])
set(_CMARK_BUILD_SHARED_LIBS_DEFAULT ${CMARK_SHARED})
endif()
if(DEFINED CMARK_STATIC)
message(AUTHOR_WARNING [=[
'CMARK_STATIC' has been replaced with the standard 'BUILD_SHARED_LIBS' to control the library type.
]=])
if(NOT CMARK_STATIC)
set(_CMARK_BUILD_SHARED_LIBS_DEFAULT YES)
else()
set(_CMARK_BUILD_SHARED_LIBS_DEFAULT NO)
endif()
endif()
option(CMARK_LIB_FUZZER "Build libFuzzer fuzzing harness" OFF)
option(BUILD_SHARED_LIBS "Build the CMark library as shared"
${_CMARK_BUILD_SHARED_LIBS_DEFAULT})
# -fvisibility=hidden
set(CMAKE_C_VISIBILITY_PRESET hidden)
set(CMAKE_VISIBILITY_INLINES_HIDDEN 1)
set(CMAKE_INCLUDE_CURRENT_DIR ON)
if (DEFINED CMAKE_INSTALL_RPATH)
set(Base_rpath "${CMAKE_INSTALL_RPATH}")
else()
if(BUILD_SHARED_LIBS)
set(p "${CMAKE_INSTALL_FULL_LIBDIR}")
list(FIND CMAKE_PLATFORM_IMPLICIT_LINK_DIRECTORIES "${p}" i)
if("${i}" STREQUAL "-1")
set(Base_rpath "${p}")
endif()
endif()
endif()
# Append non-standard external dependency directories, if any.
set(CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE)
# Check integrity of node structure when compiled as debug
add_compile_options($<$<CONFIG:Debug>:-DCMARK_DEBUG_NODES>)
# In order to maintain compatibility with older platforms which may not have a
# recent version of CMake (i.e. are running CMake <3.3), we cannot simply use
# the `add_compile_options` with a generator expression. This uses the
# `target_compile_options` with `PRIVATE` to add the flags only to the targets
# so that CMark may be used in projects with non-C languages.
function(cmark_add_compile_options target)
if(MSVC)
target_compile_definitions(${target} PRIVATE _CRT_SECURE_NO_WARNINGS)
else()
target_compile_options(${target} PRIVATE
-Wall -Wextra -pedantic
$<$<COMPILE_LANGUAGE:C>:-Wstrict-prototypes>)
endif()
if(CMAKE_BUILD_TYPE STREQUAL Profile)
target_compile_options(${target} PRIVATE -pg)
endif()
if(CMAKE_BUILD_TYPE STREQUAL Ubsan)
target_compile_options(${target} PRIVATE -fsanitize=undefined)
endif()
if(CMARK_LIB_FUZZER)
if(target MATCHES fuzz)
target_compile_options(${target} PRIVATE -fsanitize=fuzzer)
target_link_options(${target} PRIVATE -fsanitize=fuzzer)
else()
target_compile_options(${target} PRIVATE -fsanitize=fuzzer-no-link)
target_link_options(${target} PRIVATE -fsanitize=fuzzer-no-link)
endif()
endif()
endfunction()
add_subdirectory(src)
# TODO(compnerd) should this be enabled for MinGW, which sets CMAKE_SYSTEM_NAME
# to Windows, but defines `MINGW`.
if(NOT CMAKE_SYSTEM_NAME STREQUAL Windows)
add_subdirectory(man)
endif()
if(BUILD_TESTING)
add_subdirectory(api_test)
add_subdirectory(test testdir)
endif()
if(CMARK_LIB_FUZZER)
add_subdirectory(fuzz)
endif()
if(NOT CMAKE_BUILD_TYPE)
set(CMAKE_BUILD_TYPE "Release" CACHE STRING
"Choose the type of build, options are: Debug Profile Release Asan Ubsan." FORCE)
endif(NOT CMAKE_BUILD_TYPE)
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