cmake_minimum_required (VERSION 3.3.0 FATAL_ERROR)
project (pegtl VERSION 2.7.0 LANGUAGES CXX)
# installation directories
set (PEGTL_INSTALL_INCLUDE_DIR "include" CACHE STRING "The installation include directory")
set (PEGTL_INSTALL_DOC_DIR "share/doc/tao/pegtl" CACHE STRING "The installation doc directory")
set (PEGTL_INSTALL_CMAKE_DIR "share/pegtl/cmake" CACHE STRING "The installation cmake directory")
# define a header-only library
add_library (pegtl INTERFACE)
add_library (taocpp::pegtl ALIAS pegtl)
target_include_directories (pegtl INTERFACE
$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
$<INSTALL_INTERFACE:${PEGTL_INSTALL_INCLUDE_DIR}>
)
# features required by the PEGTL
target_compile_features (pegtl INTERFACE
cxx_alias_templates
cxx_auto_type
cxx_constexpr
cxx_decltype
cxx_default_function_template_args
cxx_defaulted_functions
cxx_delegating_constructors
cxx_deleted_functions
cxx_explicit_conversions
cxx_generalized_initializers
cxx_inheriting_constructors
cxx_inline_namespaces
cxx_noexcept
cxx_nonstatic_member_init
cxx_nullptr
cxx_range_for
cxx_rvalue_references
cxx_static_assert
cxx_strong_enums
cxx_template_template_parameters
cxx_trailing_return_types
cxx_uniform_initialization
cxx_variadic_macros
cxx_variadic_templates
)
# testing
enable_testing ()
option (PEGTL_BUILD_TESTS "Build test programs" ON)
if (PEGTL_BUILD_TESTS)
add_subdirectory (src/test/pegtl)
endif ()
# examples
option (PEGTL_BUILD_EXAMPLES "Build example programs" ON)
if (PEGTL_BUILD_EXAMPLES)
add_subdirectory (src/example/pegtl)
endif ()
# install and export target
install (TARGETS pegtl EXPORT pegtl-targets)
install (EXPORT pegtl-targets
FILE pegtl-config.cmake
NAMESPACE taocpp::
DESTINATION ${PEGTL_INSTALL_CMAKE_DIR}
)
install (DIRECTORY include/ DESTINATION ${PEGTL_INSTALL_INCLUDE_DIR})
install (FILES LICENSE DESTINATION ${PEGTL_INSTALL_DOC_DIR})