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Build systems

The latest released version of doctest can be obtained from here: https://raw.githubusercontent.com/onqtam/doctest/master/doctest/doctest.h

You can substitute master with dev or a tag like 1.2.9 for a specific version in the URL above.

CMake

  • doctest is easiest to use as a single file inside your own repository. Then the following minimal example will work:
cmake_minimum_required(VERSION 3.0)
project(cmake_test)

# Prepare doctest for other targets to use
add_library(doctest INTERFACE)
target_include_directories(doctest INTERFACE path/to/doctest)

# Make test executable
add_executable(tests main.cpp)
target_link_libraries(tests doctest)
  • You can also use the following CMake snippet to automatically fetch the entire doctest repository from github and configure it as an external project:
include(ExternalProject)
find_package(Git REQUIRED)

ExternalProject_Add(
    doctest
    PREFIX ${CMAKE_BINARY_DIR}/doctest
    GIT_REPOSITORY https://github.com/onqtam/doctest.git
    TIMEOUT 10
    UPDATE_COMMAND ${GIT_EXECUTABLE} pull
    CONFIGURE_COMMAND ""
    BUILD_COMMAND ""
    INSTALL_COMMAND ""
    LOG_DOWNLOAD ON
)

# Expose required variable (DOCTEST_INCLUDE_DIR) to parent scope
ExternalProject_Get_Property(doctest source_dir)
set(DOCTEST_INCLUDE_DIR ${source_dir}/doctest CACHE INTERNAL "Path to include folder for doctest")

And later you'll be able to use the doctest include directory like this:

# add it globally
include_directories(${DOCTEST_INCLUDE_DIR})

# or per target
target_include_directories(my_target PUBLIC ${DOCTEST_INCLUDE_DIR})
  • If you have the entire doctest repository available (as a submodule or just as files) you could also include it in your CMake build by using add_subdirectory(path/to/doctest) and then you could use it like this:
add_executable(my_tests src_1.cpp src_2.cpp ...)
target_link_libraries(my_tests doctest)
  • The CMakeLists.txt file of the doctest repository has install() commands so you could also use doctest as a package.

Package managers

doctest is available through the following package managers:

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