Christopher M. Punches
da35fe4758
clean was deleting the generated build system along with the artifacts — CMakeCache.txt, the makefiles, CMakeFiles/, the CMake file API directory, and the CTest configuration. That left the build directory unconfigured after every clean, so an IDE reading its target list from the file API lost every target until the project was reloaded. clean now removes only what the build produced. Also writes CTest's scratch directory into DartConfiguration.tcl so a bare ctest and IDE test discovery use it too, not just build-driven runs. BUILD.md no longer lists libdl as a dependency; glibc 2.34 merged it into libc, so nothing links against it. The code-reference section moves to its own DOCUMENTATION.md. The fixture config logged at ERROR while the info module emits its output at INFO, so the CLI invocation BUILD.md documents exited 0 and printed nothing. The fixture now logs at INFO and the documented command works as written. OVERVIEW.md describes what DPM is, how core routes and validates modules, and why the architecture takes the shape it does. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
238 lines
8.9 KiB
CMake
238 lines
8.9 KiB
CMake
cmake_minimum_required(VERSION 3.22)
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project(dpm-core VERSION 0.1.0 LANGUAGES CXX)
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set(CMAKE_CXX_STANDARD 20)
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set(CMAKE_CXX_STANDARD_REQUIRED ON)
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# ---------------------------------------------------------------------
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# libdpm-core.so — the core library (C ABI)
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# ---------------------------------------------------------------------
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add_library(dpm-core SHARED
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src/context.cpp
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src/modules.cpp
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src/version.cpp
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)
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target_include_directories(dpm-core PUBLIC
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$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
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$<INSTALL_INTERFACE:include>
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)
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target_compile_definitions(dpm-core PRIVATE
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DPM_CORE_VERSION_STR="${PROJECT_VERSION}"
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)
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# The public C API is the library's entire exported surface; internals
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# stay hidden. The version script pins the export list and versions the
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# symbols.
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target_compile_options(dpm-core PRIVATE
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-fvisibility=hidden
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-fvisibility-inlines-hidden
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)
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target_link_options(dpm-core PRIVATE
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-Wl,--version-script=${CMAKE_CURRENT_SOURCE_DIR}/src/libdpm-core.map
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)
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set_property(TARGET dpm-core APPEND PROPERTY
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LINK_DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/src/libdpm-core.map
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)
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target_link_libraries(dpm-core PRIVATE ${CMAKE_DL_LIBS})
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set_target_properties(dpm-core PROPERTIES
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OUTPUT_NAME "dpm-core"
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VERSION ${PROJECT_VERSION}
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SOVERSION 1
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LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib
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)
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# ---------------------------------------------------------------------
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# dpm — the CLI (thin client of libdpm-core)
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# ---------------------------------------------------------------------
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add_executable(dpm src/cli/dpm.cpp)
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target_link_libraries(dpm PRIVATE dpm-core)
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set_target_properties(dpm PROPERTIES
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RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin
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BUILD_RPATH "$ORIGIN/../lib"
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)
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# ---------------------------------------------------------------------
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# info — the bundled module (tests and reports core functionality)
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# ---------------------------------------------------------------------
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add_library(info MODULE
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src/bundled-modules/info/info.cpp
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src/bundled-modules/info/src/commands.cpp
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)
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target_include_directories(info PRIVATE src/bundled-modules/info/include)
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# The one permitted link dependency: libdpm-core.
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target_link_libraries(info PRIVATE dpm-core)
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set_target_properties(info PROPERTIES
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PREFIX ""
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SUFFIX ".so"
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LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/modules
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)
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# The module bundles with core, so building the CLI builds it too: after a
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# clean, running dpm from the build tree finds a module directory that is
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# populated. This orders the build only — the CLI does not link the module.
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add_dependencies(dpm info)
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# ---------------------------------------------------------------------
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# Test fixture modules: one known-good stub, five deliberately broken
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# ---------------------------------------------------------------------
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enable_testing()
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# CTest's scratch area is named by its BuildDirectory configuration option.
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# Writing it into DartConfiguration.tcl puts it where ctest reads it on every
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# invocation — the test target, a bare ctest, and the IDE's test discovery
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# alike — rather than only the ones the build drives.
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file(WRITE ${CMAKE_BINARY_DIR}/DartConfiguration.tcl
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"BuildDirectory: ${CMAKE_BINARY_DIR}/test-results\n")
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set(FIXTURE_MODULE_DIR ${CMAKE_BINARY_DIR}/tests/fixtures)
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foreach(fixture good missing_symbols bad_magic lying_manifest core_too_new bad_version)
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add_library(fixture_${fixture} MODULE tests/fixtures/src/${fixture}.cpp)
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set_target_properties(fixture_${fixture} PROPERTIES
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PREFIX ""
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SUFFIX ".so"
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OUTPUT_NAME ${fixture}
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LIBRARY_OUTPUT_DIRECTORY ${FIXTURE_MODULE_DIR}
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)
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endforeach()
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# ---------------------------------------------------------------------
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# Core API test binary — drives libdpm-core through its public C API
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# ---------------------------------------------------------------------
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add_executable(test_core tests/test_core.cpp)
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target_link_libraries(test_core PRIVATE dpm-core)
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target_compile_definitions(test_core PRIVATE
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TEST_FIXTURE_MODULES="${FIXTURE_MODULE_DIR}"
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TEST_FIXTURE_CONF="${CMAKE_CURRENT_SOURCE_DIR}/tests/fixtures/conf"
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DPM_CORE_VERSION_EXPECTED="${PROJECT_VERSION}"
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)
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set_target_properties(test_core PROPERTIES
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RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/tests
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BUILD_RPATH "$ORIGIN/../lib"
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)
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foreach(fixture good missing_symbols bad_magic lying_manifest core_too_new bad_version)
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add_dependencies(test_core fixture_${fixture})
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endforeach()
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add_test(NAME core_api COMMAND test_core)
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# ---------------------------------------------------------------------
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# CLI end-to-end tests (the CLI is core's cheapest full-stack client)
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# ---------------------------------------------------------------------
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add_test(NAME cli_help COMMAND dpm --help)
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set_tests_properties(cli_help PROPERTIES PASS_REGULAR_EXPRESSION "Usage: dpm")
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add_test(NAME cli_list
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COMMAND dpm -c ${CMAKE_CURRENT_SOURCE_DIR}/tests/fixtures/conf
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-m ${CMAKE_BINARY_DIR}/modules --list-modules)
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set_tests_properties(cli_list PROPERTIES PASS_REGULAR_EXPRESSION "info")
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add_test(NAME cli_info_version
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COMMAND dpm -c ${CMAKE_CURRENT_SOURCE_DIR}/tests/fixtures/conf
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-m ${CMAKE_BINARY_DIR}/modules -L INFO info version)
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set_tests_properties(cli_info_version PROPERTIES
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PASS_REGULAR_EXPRESSION "libdpm-core Version: ${PROJECT_VERSION}")
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add_test(NAME cli_module_not_found
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COMMAND dpm -c ${CMAKE_CURRENT_SOURCE_DIR}/tests/fixtures/conf
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-m ${CMAKE_BINARY_DIR}/modules nonexistent)
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set_tests_properties(cli_module_not_found PROPERTIES WILL_FAIL TRUE)
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add_test(NAME cli_rejects_invalid_module
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COMMAND dpm -c ${CMAKE_CURRENT_SOURCE_DIR}/tests/fixtures/conf
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-m ${FIXTURE_MODULE_DIR} missing_symbols)
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set_tests_properties(cli_rejects_invalid_module PROPERTIES WILL_FAIL TRUE)
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# ---------------------------------------------------------------------
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# Code reference (Doxygen) — optional 'docs' target
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# ---------------------------------------------------------------------
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option(DPM_DOCS_HTML "Generate the code reference in HTML" OFF)
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option(DPM_DOCS_PDF "Generate the code reference as PDF (requires LaTeX)" ON)
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find_package(Doxygen)
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if(DOXYGEN_FOUND)
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set(DOXYGEN_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/docs)
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set(DOXYGEN_EXTRACT_ALL YES)
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set(DOXYGEN_EXTRACT_STATIC YES)
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set(DOXYGEN_QUIET YES)
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set(DOXYGEN_WARN_IF_UNDOCUMENTED NO)
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set(DOXYGEN_JAVADOC_AUTOBRIEF YES)
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if(DPM_DOCS_HTML)
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set(DOXYGEN_GENERATE_HTML YES)
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else()
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set(DOXYGEN_GENERATE_HTML NO)
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endif()
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if(DPM_DOCS_PDF)
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set(DOXYGEN_GENERATE_LATEX YES)
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set(DOXYGEN_USE_PDFLATEX YES)
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set(DOXYGEN_PDF_HYPERLINKS YES)
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else()
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set(DOXYGEN_GENERATE_LATEX NO)
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endif()
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doxygen_add_docs(docs
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${CMAKE_CURRENT_SOURCE_DIR}/include
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${CMAKE_CURRENT_SOURCE_DIR}/src
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COMMENT "Generating code reference with Doxygen"
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)
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if(DPM_DOCS_PDF)
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find_program(PDFLATEX_EXECUTABLE pdflatex)
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if(PDFLATEX_EXECUTABLE)
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add_custom_target(docs-pdf
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COMMAND make -C ${CMAKE_BINARY_DIR}/docs/latex
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COMMENT "Building PDF code reference"
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)
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add_dependencies(docs-pdf docs)
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else()
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message(WARNING "DPM_DOCS_PDF is ON but pdflatex was not found; the docs-pdf target is unavailable")
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endif()
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endif()
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endif()
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# ---------------------------------------------------------------------
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# Clean
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# ---------------------------------------------------------------------
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# clean removes what the build produced: the artifact directories, the
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# generated documentation, and the test scratch areas.
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#
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# The generated build system stays. CMakeCache.txt, the makefiles,
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# CMakeFiles/, and the CMake file API directory under .cmake/ are what an
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# IDE reads to know the project's targets exist; deleting them leaves the
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# directory unconfigured, so every target in the IDE stops resolving until
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# the project is reloaded. Removing the build system is what configuring a
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# fresh directory is for.
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set_property(DIRECTORY APPEND PROPERTY ADDITIONAL_CLEAN_FILES
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${CMAKE_BINARY_DIR}/test-results
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${CMAKE_BINARY_DIR}/Testing
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${CMAKE_BINARY_DIR}/bin
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${CMAKE_BINARY_DIR}/lib
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${CMAKE_BINARY_DIR}/modules
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${CMAKE_BINARY_DIR}/tests
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${CMAKE_BINARY_DIR}/docs
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)
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# ---------------------------------------------------------------------
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# Installation
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# ---------------------------------------------------------------------
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install(TARGETS dpm RUNTIME DESTINATION bin)
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install(TARGETS dpm-core LIBRARY DESTINATION lib)
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install(TARGETS info LIBRARY DESTINATION lib/dpm/modules)
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install(DIRECTORY include/dpm DESTINATION include)
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install(FILES data/core.conf DESTINATION /etc/dpm/conf.d)
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