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Fix builds with plugins that use zeek-config
When building plugins externally with `zeek-config` (as opposed to using `ZEEK_DIST`), they point into the install prefix. There, we add a new file `ZeekPluginBootstrap.cmake` that helps `ZeekPlugin.cmake` to find everything else it needs from there. Our template for plugins generates a `configure` script that sets various variables with values from `zeek-config`. We only need `BROKER_ROOT_DIR` with the new bootstrapping logic. Everything else, we can get from the new bootstrapping file and from the CMake package file for Zeek.
This commit is contained in:
Dominik Charousset
parent
75245bd365
commit
1d81fb4fb0
5 changed files with 51 additions and 24 deletions
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@ -13,6 +13,7 @@ option(ZEEK_STANDALONE "Build Zeek as stand-alone binary?" ON)
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option(ENABLE_ZEEK_UNIT_TESTS "Build the C++ (doctest) unit tests?" ON)
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set(CMAKE_EXPORT_COMPILE_COMMANDS ON
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CACHE INTERNAL "Write JSON compile commands database")
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set(ZEEK_CXX_STD cxx_std_17 CACHE STRING "The C++ standard to use.")
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list(APPEND CMAKE_MODULE_PATH ${CMAKE_BINARY_DIR})
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list(APPEND CMAKE_PREFIX_PATH ${CMAKE_BINARY_DIR})
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@ -133,7 +134,7 @@ add_library(zeek_internal INTERFACE)
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add_library(Zeek::Internal ALIAS zeek_internal)
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set_target_properties(zeek_internal PROPERTIES EXPORT_NAME Internal)
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install(TARGETS zeek_internal EXPORT ZeekTargets)
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target_compile_features(zeek_internal INTERFACE cxx_std_17)
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target_compile_features(zeek_internal INTERFACE ${ZEEK_CXX_STD})
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# Target for bundling the creation of auto-generated files.
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add_custom_target(zeek_autogen_files)
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@ -212,25 +213,24 @@ function(zeek_add_dependencies dep)
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endfunction()
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# Interface library for propagating extra flags and include paths to dynamically
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# loaded plugins.
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# loaded plugins. Also propagates include paths and C++17 mode on the install
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# interface.
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add_library(zeek_dynamic_plugin_base INTERFACE)
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target_link_libraries(zeek_dynamic_plugin_base
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INTERFACE
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$<BUILD_INTERFACE:zeek_internal>)
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target_include_directories(zeek_dynamic_plugin_base
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INTERFACE
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$<INSTALL_INTERFACE:include>
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$<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR}>
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$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/src>)
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target_compile_features(zeek_dynamic_plugin_base INTERFACE ${ZEEK_CXX_STD})
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add_library(Zeek::DynamicPluginBase ALIAS zeek_dynamic_plugin_base)
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set_target_properties(
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zeek_dynamic_plugin_base PROPERTIES
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EXPORT_NAME DynamicPluginBase)
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install(TARGETS zeek_dynamic_plugin_base EXPORT ZeekTargets)
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# Tell dynamic plugins where to find scripts such as
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# zeek-plugin-create-package.sh.
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set(ZEEK_PLUGIN_SCRIPTS_PATH "${PROJECT_SOURCE_DIR}/cmake")
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# On macOS, we need to tell the linker that the modules are allowed to have
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# undefined symbols.
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if (CMAKE_SYSTEM_NAME MATCHES "Darwin")
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@ -426,6 +426,7 @@ set(cmake_current_binary_dir "${CMAKE_CURRENT_BINARY_DIR}")
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set(cmake_install_prefix "${CMAKE_INSTALL_PREFIX}")
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set(cmake_source_dir "${CMAKE_SOURCE_DIR}")
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set(zeek_script_install_path "${ZEEK_SCRIPT_INSTALL_PATH}")
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set(ZEEK_CMAKE_INSTALL_DIR "${CMAKE_INSTALL_PREFIX}/share/zeek/cmake")
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if ( MSVC )
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string(REGEX REPLACE "^([A-Za-z]):/(.*)" "/\\1/\\2" bro_plugin_install_path "${bro_plugin_install_path}")
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string(REGEX REPLACE "^([A-Za-z]):/(.*)" "/\\1/\\2" cmake_binary_dir "${cmake_binary_dir}")
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@ -1290,7 +1291,7 @@ configure_file(src/ZeekPluginConfig.cmake.in ZeekPluginConfig.cmake @ONLY)
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configure_package_config_file(
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"${CMAKE_CURRENT_SOURCE_DIR}/src/ZeekConfig.cmake.in"
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"${CMAKE_CURRENT_BINARY_DIR}/ZeekConfig.cmake"
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INSTALL_DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/Zeek")
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INSTALL_DESTINATION "${ZEEK_CMAKE_INSTALL_DIR}")
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write_basic_package_version_file(
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"${CMAKE_CURRENT_BINARY_DIR}/ZeekConfigVersion.cmake"
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VERSION ${ZEEK_VERSION_NUMBER}
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@ -1299,17 +1300,22 @@ write_basic_package_version_file(
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# Write the CMake targets file.
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export(EXPORT ZeekTargets FILE ZeekTargets.cmake NAMESPACE Zeek::)
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# TODO: Check whether installing these does not break any of our packages.
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# install(
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# FILES
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# "${CMAKE_CURRENT_BINARY_DIR}/ZeekConfig.cmake"
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# "${CMAKE_CURRENT_BINARY_DIR}/ZeekConfigVersion.cmake"
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# DESTINATION
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# "${CMAKE_INSTALL_LIBDIR}/cmake/Zeek")
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# install(
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# EXPORT ZeekTargets
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# DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/Zeek"
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# NAMESPACE Zeek::)
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# Write the bootstrap file for dynamic plugins. Needed by ZeekPlugin.cmake.
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configure_file(src/ZeekPluginBootstrap.cmake.in ZeekPluginBootstrap.cmake @ONLY)
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install(FILES "${CMAKE_CURRENT_BINARY_DIR}/ZeekPluginBootstrap.cmake"
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DESTINATION "${ZEEK_CMAKE_INSTALL_DIR}")
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install(
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FILES
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"${CMAKE_CURRENT_BINARY_DIR}/ZeekConfig.cmake"
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"${CMAKE_CURRENT_BINARY_DIR}/ZeekConfigVersion.cmake"
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DESTINATION
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"${ZEEK_CMAKE_INSTALL_DIR}")
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install(
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EXPORT ZeekTargets
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DESTINATION "${ZEEK_CMAKE_INSTALL_DIR}"
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NAMESPACE Zeek::)
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########################################################################
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## Build Summary
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2
cmake
2
cmake
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@ -1 +1 @@
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Subproject commit f258c75659cec6e5dbd91ea18e21bc5dfad284a2
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Subproject commit 9d42fed6811d011890af99d5de57c4d0089deaf6
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15
src/ZeekPluginBootstrap.cmake.in
Normal file
15
src/ZeekPluginBootstrap.cmake.in
Normal file
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@ -0,0 +1,15 @@
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# This script is installed alongside ZeekPlugin.cmake for passing variables from
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# the CMake configuration step to plugins.
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# Allows scripts such as ZeekPlugin.cmake to locate the Zeek CMake package.
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set(ZEEK_CMAKE_PACKAGE_DIR "@ZEEK_CMAKE_INSTALL_DIR@"
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CACHE PATH "Path the CMake package for Zeek." FORCE)
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# Allows scripts to locate files in the Zeek install tree.
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set(ZEEK_CMAKE_INSTALL_PREFIX "@CMAKE_INSTALL_PREFIX@"
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CACHE PATH "Path the install prefix of Zeek." FORCE)
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# Set ZEEK_PLUGIN_SCRIPTS_PATH for ZeekPlugin.cmake. We install the scripts into
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# the package directory.
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set(ZEEK_PLUGIN_SCRIPTS_PATH "${ZEEK_CMAKE_PACKAGE_DIR}"
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CACHE PATH "Path to utility scripts for building Zeek plugins." FORCE)
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@ -6,10 +6,16 @@
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include(MacDependencyPaths)
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# For finding zeek-plugin-create-package.sh and zeek-plugin-install-package.sh.
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set(ZEEK_PLUGIN_SCRIPTS_PATH "@ZEEK_PLUGIN_SCRIPTS_PATH@")
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if ( NOT ZEEK_PLUGIN_SCRIPTS_PATH )
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set(ZEEK_PLUGIN_SCRIPTS_PATH "@ZEEK_PLUGIN_SCRIPTS_PATH@"
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CACHE PATH "Path to utility shell scripts." FORCE)
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endif ()
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# For finding Zeek sources.
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set(ZEEK_SOURCE_DIR "@ZEEK_SOURCE_DIR@")
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if ( NOT ZEEK_SOURCE_DIR )
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set(ZEEK_SOURCE_DIR "@ZEEK_SOURCE_DIR@"
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CACHE PATH "Path to the Zeek source tree." FORCE)
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endif ()
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# Provide a hint to ZeekConfig.cmake where to find Broker from the build tree.
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# Note: the straightforward way would be setting `Broker_ROOT` instead, but
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@ -4,7 +4,7 @@ binpac_root=@ZEEK_CONFIG_BINPAC_ROOT_DIR@
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broker_root=@ZEEK_CONFIG_BROKER_ROOT_DIR@
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btest_tools_dir=@ZEEK_CONFIG_BTEST_TOOLS_DIR@
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build_type=@CMAKE_BUILD_TYPE_LOWER@
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cmake_dir=@CMAKE_INSTALL_PREFIX@/share/zeek/cmake
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cmake_dir=@ZEEK_CMAKE_INSTALL_DIR@
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config_dir=@ZEEK_ETC_INSTALL_DIR@
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have_spicy=@USE_SPICY_ANALYZERS@
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include_dir=@CMAKE_INSTALL_PREFIX@/include
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