tomlplusplus/CMakeLists.txt
friendlyanon a9262c672f
Modernize the CMake build files (#102)
List of things that this commit brings:
* Makes the project `FetchContent` ready
  This is achieved by conditionally executing code that is only useful
  for a consumer of the project, such as examples.
* Componentize the install rules
  Because this is a header-only library, its install rules should be
  categorized in a dev component (think foo-dev packages in apt). By
  assigning all install rules to a component, the project no longer
  clobbers the global component when vendored (see the previous point).
* Provide an interface similar to the install interface when vendored
  This is achieved by adding SYSTEM to the include directories
  conditionally and only providing targets that are actually needed.
* Make the project architecture independant
  This is achieved by setting the ARCH_INDEPENDENT argument when
  generating the version config file, which is available since CMake
  3.14. This feature is intended to be used for header-only libraries.
* Misc changes for trivial packaging
  The install rules are written in a way that allows package maintainers
  to trivially package the project.

Co-authored-by: friendlyanon <friendlyanon@users.noreply.github.com>
2021-05-20 22:03:35 +03:00

45 lines
1.0 KiB
CMake

cmake_minimum_required(VERSION 3.14)
project(
tomlplusplus
VERSION 2.4.0
DESCRIPTION "Header-only TOML config file parser and serializer for C++17 (and later!)"
HOMEPAGE_URL "https://marzer.github.io/tomlplusplus/"
LANGUAGES CXX
)
include(cmake/project-is-top-level.cmake)
include(cmake/variables.cmake)
# ---- Declare library ----
add_library(tomlplusplus_tomlplusplus INTERFACE)
add_library(tomlplusplus::tomlplusplus ALIAS tomlplusplus_tomlplusplus)
set_property(
TARGET tomlplusplus_tomlplusplus PROPERTY
EXPORT_NAME tomlplusplus
)
target_include_directories(
tomlplusplus_tomlplusplus
${tomlplusplus_warning_guard} # unquoted for list expansion
INTERFACE
"$<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/include>"
)
target_compile_features(tomlplusplus_tomlplusplus INTERFACE cxx_std_17)
# ---- Install rules ----
include(cmake/install-rules.cmake)
# ---- Examples ----
if(PROJECT_IS_TOP_LEVEL)
option(BUILD_EXAMPLES "Build examples tree." OFF)
if(BUILD_EXAMPLES)
add_subdirectory(examples)
endif()
endif()