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Reference

This page is a reference for the options in the cmake.toml file. If you think anything is missing or unclear, please edit this page or open an issue.

See the examples section for concrete examples.

CMake configuration

[cmake]
version = "3.15"
cmkr-include = "cmkr.cmake"

Project configuration

[project]
name = "myproject"
version = "1.0.0"
description = "Description of the project"
languages = ["C", "CXX"]
cmake-before = """
message(STATUS "CMake injected before the project() call")
"""
cmake-after = """
message(STATUS "CMake injected after the project() call")
"""
include-before = ["cmake/before-project.cmake"]
include-after = ["cmake/after-project.cmake"]

Conditions

You can specify your own conditions and use them in any condition field:

[conditions]
arch64 = "CMAKE_SIZEOF_VOID_P EQUALS 8"
arch32 = "CMAKE_SIZEOF_VOID_P EQUALS 4"

This will make the arch64 and arch32 conditions available with their respective CMake expressions.

You can also prefix most keys with condition. to represent a conditional:

[target]
type = "executable"
sources = ["src/main.cpp"]
windows.sources = ["src/windows_specific.cpp"]

The following conditions are predefined (you can override them if you desire):

[conditions]
windows = "WIN32"
macos = "CMAKE_SYSTEM_NAME MATCHES \"Darwin\""
unix = "UNIX"
bsd = "CMAKE_SYSTEM_NAME MATCHES \"BSD\""
linux = "CMAKE_SYSTEM_NAME MATCHES \"Linux\""
gcc = "CMAKE_CXX_COMPILER_ID STREQUAL \"GNU\" OR CMAKE_C_COMPILER_ID STREQUAL \"GNU\""
clang = "CMAKE_CXX_COMPILER_ID MATCHES \"Clang\" OR CMAKE_C_COMPILER_ID MATCHES \"Clang\""
msvc = "MSVC"
root = "CMKR_ROOT_PROJECT"
x64 = "CMAKE_SIZEOF_VOID_P EQUAL 8"
x32 = "CMAKE_SIZEOF_VOID_P EQUAL 4"

Subdirectories

[subdir.mysubdir]
condition = "mycondition"
cmake-before = """
message(STATUS "CMake injected before the add_subdirectory() call"
"""
cmake-after = """
message(STATUS "CMake injected after the add_subdirectory() call")
"""
include-before = ["cmake/before-subdir.cmake"]
include-after = ["cmake/after-subdir.cmake"]

Vcpkg

[vcpkg]
version = "2021.05.12"
url = "https://github.com/microsoft/vcpkg/archive/refs/tags/2021.05.12.tar.gz"
packages = ["fmt", "zlib"]

The vcpkg version will automatically generate the url from the official repository. For a custom registry you can specify your own url (and omit the version). You can browse available packages on vcpkg.io.

To specify package features you can use the following syntax: imgui[docking-experimental,freetype,sdl2-binding,opengl3-binding].

Packages

[find-package.mypackage]
condition = "mycondition"
version = "1.0"
required = true
config = true
components = ["mycomponent"]

FetchContent

Note: The [fetch-content] feature is unpolished and will likely change in a future release.

[fetch-content.gitcontent]
condition = "mycondition"
git = "https://github.com/myuser/gitcontent"
tag = "v0.1"

[fetch-content.svncontent]
condition = "mycondition"
svn = "https://svn-host.com/url"
rev = "svn_rev"

[fetch-content.urlcontent]
condition = "mycondition"
url = "https://content-host.com/urlcontent.zip"
hash = "123123123123"

Targets

[target.mytarget]
condition = "mycondition"
alias = "mytarget::mytarget"
type = "static" # executable, shared (DLL), static, interface, object, library, custom
headers = ["src/mytarget.h"]
sources = ["src/mytarget.cpp"]

# The keys below match the target_xxx CMake commands
# Keys prefixed with private- will get PRIVATE visibility
compile-definitions = [""]
private-compile-definitions = [""]
compile-features = [""]
private-compile-features = [""]
compile-options = [""]
private-compile-options = [""]
include-directories = [""]
private-include-directories = [""]
link-directories = [""]
private-link-directories = [""]
link-libraries = [""]
private-link-libraries = [""]
link-options = [""]
private-link-options = [""]
precompile-headers = [""]
private-precompile-headers = [""]

cmake-before = """
message(STATUS "CMake injected before the target")
"""
cmake-after = """
message(STATUS "CMake injected after the target")
"""
include-before = "cmake/target-before.cmake"
include-after = "cmake/target-after.cmake"

# See https://cmake.org/cmake/help/latest/manual/cmake-properties.7.html#properties-on-targets for a list of target properties
[target.mytarget.properties]
CXX_STANDARD = 17
CXX_STANDARD_REQUIRED = true
FOLDER = "MyFolder"

Tests and installation (unfinished)

Note: The [[test]] and [[install]] are unfinished features and will likely change in a future release.

# You can declare as many as you want like this, but the name has to be unique
[[test]]
condition = "mycondition"
name = "mytest"
command = "$<TARGET_FILE:mytest>"
arguments = ["arg1", "arg2"]
configurations = ["Debug", "Release", "RelWithDebInfo", "MinSizeRelease"]
working-directory = "mytest-dir"

[[install]]
condition = "mycondition"
targets = ["mytarget", "mytest"]
destination = ["bin"]
files = ["content/my.png"]
dirs = [""]
configs = [""]

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