98 lines
3.0 KiB
CMake
98 lines
3.0 KiB
CMake
cmake_minimum_required(VERSION 3.20)
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project(
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arena
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VERSION 1.0
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LANGUAGES C)
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# ------------------------------------------------
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# C standard — no compiler extensions
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# ------------------------------------------------
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set(CMAKE_C_STANDARD 11)
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set(CMAKE_C_STANDARD_REQUIRED ON)
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set(CMAKE_C_EXTENSIONS OFF)
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# Export compile_commands.json (clangd / IDEs)
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set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
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# ------------------------------------------------
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# Is this the root project or embedded (CPM / FetchContent)?
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# ------------------------------------------------
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if(CMAKE_SOURCE_DIR STREQUAL PROJECT_SOURCE_DIR)
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set(ARENA_IS_TOP_LEVEL ON)
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else()
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set(ARENA_IS_TOP_LEVEL OFF)
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endif()
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# ------------------------------------------------
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# Options
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# ------------------------------------------------
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option(ARENA_BUILD_TESTS "Build arena tests" ${ARENA_IS_TOP_LEVEL})
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option(ARENA_BUILD_EXAMPLE "Build arena example" ${ARENA_IS_TOP_LEVEL})
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option(ARENA_ENABLE_INSTALL "Install arena" ${ARENA_IS_TOP_LEVEL})
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option(ARENA_ENABLE_SANITIZERS "Enable Address Sanitizer in tests" ON)
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# ------------------------------------------------
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# Portable warning flags
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# ------------------------------------------------
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if(MSVC)
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set(ARENA_WARNING_FLAGS /W4)
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else()
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set(ARENA_WARNING_FLAGS -Wall -Wextra -Wpedantic)
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endif()
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# ================================================================
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# LIBRARY
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# ================================================================
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add_library(arena src/arena.c)
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# Namespaced alias → consumers can write arena::arena
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add_library(arena::arena ALIAS arena)
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target_include_directories(
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arena PUBLIC $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
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$<INSTALL_INTERFACE:include>)
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# Propagate C11 requirement to consumers
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target_compile_features(arena PUBLIC c_std_11)
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# Warnings only for the lib itself, not propagated
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target_compile_options(arena PRIVATE ${ARENA_WARNING_FLAGS})
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# ================================================================
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# EXAMPLE (optional, only when top-level)
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# ================================================================
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if(ARENA_BUILD_EXAMPLE)
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add_executable(arena_example src/main.c)
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target_link_libraries(arena_example PRIVATE arena)
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endif()
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# ================================================================
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# TESTS
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# ================================================================
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if(ARENA_BUILD_TESTS)
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enable_testing()
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add_subdirectory(test)
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endif()
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# ================================================================
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# INSTALL
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# ================================================================
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if(ARENA_ENABLE_INSTALL)
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include(GNUInstallDirs)
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install(
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TARGETS arena
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EXPORT arenaTargets
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ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
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LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
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RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})
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install(DIRECTORY include/ DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
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install(
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EXPORT arenaTargets
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FILE arenaTargets.cmake
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NAMESPACE arena::
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DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/arena)
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endif()
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