1 files changed, 141 insertions, 0 deletions
diff --git a/third_party/immer/CMakeLists.txt b/third_party/immer/CMakeLists.txt
new file mode 100644
index 000000000000..dedfdf74013b
--- /dev/null
+++ b/third_party/immer/CMakeLists.txt
@@ -0,0 +1,141 @@
+
+cmake_minimum_required(VERSION 3.5.1)
+cmake_policy(SET CMP0048 NEW) # enable project VERSION
+cmake_policy(SET CMP0056 NEW) # honor link flags in try_compile()
+list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
+
+project(immer VERSION 0.6.2)
+
+if (NOT MSVC)
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra -pedantic -Wno-unused-parameter -Wno-extended-offsetof -Wno-c++17-extensions -Wno-c++1z-extensions -Wno-unknown-warning-option")
+endif()
+set(CMAKE_EXPORT_COMPILE_COMMANDS on)
+set(CMAKE_CXX_EXTENSIONS off)
+if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Qunused-arguments")
+endif()
+
+include(GNUInstallDirs)
+include(ImmerUtils)
+
+#  Options
+#  =======
+
+option(ENABLE_SANITIZE "compile with sanitizers enabled")
+option(ENABLE_COVERAGE "compile with test coverage support")
+option(DISABLE_WERROR "enable --werror")
+option(DISABLE_FREE_LIST "disables the free list heap")
+option(DISABLE_THREAD_SAFETY "disables thread safety by default")
+option(CHECK_FUZZERS "Add fuzzers as part of make check")
+
+option(ENABLE_PYTHON "enable building python module" off)
+option(ENABLE_GUILE "enable building guile module" off)
+option(ENABLE_BOOST_COROUTINE "run benchmarks with boost coroutine" off)
+
+option(immer_BUILD_TESTS "Build tests" ON)
+option(immer_BUILD_EXAMPLES "Build examples" ON)
+option(immer_BUILD_DOCS "Build docs" ON)
+option(immer_BUILD_EXTRAS "Build extras" ON)
+
+set(CXX_STANDARD 14 CACHE STRING "c++ standard number")
+
+set(CMAKE_CXX_STANDARD ${CXX_STANDARD})
+set(CMAKE_CXX_STANDARD_REQUIRED on)
+
+if (ENABLE_SANITIZE)
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=address -fsanitize=leak")
+endif()
+if (NOT MSVC AND NOT DISABLE_WERROR)
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Werror")
+endif()
+
+#  Dependencies
+#  ============
+
+if (ENABLE_BOOST_COROUTINE)
+  set(immer_boost_components coroutine)
+endif()
+
+find_package(Threads)
+find_package(BoehmGC)
+find_package(Boost 1.56 COMPONENTS ${immer_boost_components})
+
+find_program(CCACHE ccache)
+if (CCACHE)
+  message(STATUS "Using ccache: ${CCACHE}")
+  set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE ${CCACHE})
+  set_property(GLOBAL PROPERTY RULE_LAUNCH_LINK ${CCACHE})
+else()
+  message(STATUS "Could not find ccache")
+endif()
+
+if (NOT BOEHM_GC_FOUND)
+  set(BOEHM_GC_LIBRARIES "")
+endif()
+
+#  Targets
+#  =======
+
+# the library
+add_library(immer INTERFACE)
+target_include_directories(immer INTERFACE
+  $<BUILD_INTERFACE:${immer_BINARY_DIR}/>
+  $<BUILD_INTERFACE:${immer_SOURCE_DIR}/>
+  $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>)
+install(TARGETS immer EXPORT ImmerConfig)
+install(EXPORT ImmerConfig DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/Immer")
+install(DIRECTORY immer DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}")
+
+# development target to be used in tests, examples, benchmarks...
+immer_canonicalize_cmake_booleans(
+  DISABLE_FREE_LIST
+  DISABLE_THREAD_SAFETY
+  CHECK_SLOW_TESTS)
+add_library(immer-dev INTERFACE)
+target_include_directories(immer-dev SYSTEM INTERFACE
+  ${Boost_INCLUDE_DIR}
+  ${BOEHM_GC_INCLUDE_DIR}
+  ${CMAKE_CURRENT_SOURCE_DIR}/tools/include)
+target_link_libraries(immer-dev INTERFACE
+  immer
+  ${BOEHM_GC_LIBRARIES}
+  ${CMAKE_THREAD_LIBS_INIT})
+target_compile_definitions(immer-dev INTERFACE
+  -DIMMER_CXX_STANDARD=${CXX_STANDARD}
+  -DIMMER_HAS_LIBGC=1
+  -DIMMER_NO_FREE_LIST=${DISABLE_FREE_LIST}
+  -DIMMER_NO_THREAD_SAFETY=${DISABLE_THREAD_SAFETY}
+  -DIMMER_SLOW_TESTS=${CHECK_SLOW_TESTS})
+if (ENABLE_COVERAGE)
+  target_compile_options(immer-dev INTERFACE "--coverage")
+  target_link_libraries(immer-dev INTERFACE "--coverage")
+endif()
+
+#  Testing
+#  =======
+
+if (immer_BUILD_TESTS)
+  enable_testing()
+
+  add_custom_target(check
+    COMMAND ${CMAKE_CTEST_COMMAND} --output-on-failure
+    WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
+    COMMENT "Build and run all the tests and examples.")
+
+  add_subdirectory(test)
+  add_subdirectory(benchmark)
+endif()
+
+if (immer_BUILD_EXAMPLES)
+  add_subdirectory(example)
+endif()
+
+if (immer_BUILD_DOCS)
+  add_subdirectory(doc)
+endif()
+
+if (immer_BUILD_EXTRAS)
+  add_subdirectory(extra/fuzzer)
+  add_subdirectory(extra/python)
+  add_subdirectory(extra/guile)
+endif()