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cmake_minimum_required(VERSION 3.8)
project(teakra CXX)
# Determine if we're built as a subproject (using add_subdirectory)
# or if this is the master project.
set(MASTER_PROJECT OFF)
if (CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_SOURCE_DIR)
set(MASTER_PROJECT ON)
endif()
option(TEAKRA_WARNINGS_AS_ERRORS "Warnings as errors" ${MASTER_PROJECT})
option(TEAKRA_BUILD_TOOLS "Build tools" ${MASTER_PROJECT})
option(TEAKRA_BUILD_UNIT_TESTS "Build unit tests" ${MASTER_PROJECT})
option(TEAKRA_RUN_TESTS "Run Teakra accuracy tests" OFF)
# Set hard requirements for C++
set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_CXX_EXTENSIONS OFF)
# Warn on CMake API deprecations
set(CMAKE_WARN_DEPRECATED ON)
# Disable in-source builds
set(CMAKE_DISABLE_SOURCE_CHANGES ON)
set(CMAKE_DISABLE_IN_SOURCE_BUILD ON)
if ("${CMAKE_SOURCE_DIR}" STREQUAL "${CMAKE_BINARY_DIR}")
message(SEND_ERROR "In-source builds are not allowed.")
endif()
# Add the module directory to the list of paths
list(APPEND CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/CMakeModules")
# Compiler flags
if (MSVC)
set(TEAKRA_CXX_FLAGS
/std:c++latest # CMAKE_CXX_STANDARD as no effect on MSVC until CMake 3.10.
/W3
/permissive- # Stricter C++ standards conformance
/MP
/Zi
/Zo
/EHsc
/Zc:throwingNew # Assumes new never returns null
/Zc:inline # Omits inline functions from object-file output
/DNOMINMAX
/D_CRT_SECURE_NO_WARNINGS)
if (TEAKRA_WARNINGS_AS_ERRORS)
list(APPEND TEAKRA_CXX_FLAGS
/WX)
endif()
else()
set(TEAKRA_CXX_FLAGS
-Wall
-Wextra
-Wcast-qual
-pedantic
-pedantic-errors
-Wfatal-errors
-Wno-missing-braces
-Wno-unused-parameter)
if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
list(APPEND TEAKRA_CXX_FLAGS
-Wno-error=maybe-uninitialized)
endif()
if (TEAKRA_WARNINGS_AS_ERRORS)
list(APPEND TEAKRA_CXX_FLAGS
-Werror)
endif()
endif()
# Prefer the -pthread flag on Linux.
set(THREADS_PREFER_PTHREAD_FLAG ON)
find_package(Threads REQUIRED)
enable_testing()
if (NOT TEAKRA_TEST_ASSETS_DIR)
set(TEAKRA_TEST_ASSETS_DIR "${CMAKE_CURRENT_BINARY_DIR}")
endif()
# External libraries
add_subdirectory(externals)
# Teakra project files
add_subdirectory(src)
# Teakra tests
if (TEAKRA_BUILD_UNIT_TESTS)
add_subdirectory(tests)
endif()
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