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58 lines
2.4 KiB
CMake
58 lines
2.4 KiB
CMake
# Spicy needs the full prefix for Flex and Bison while Zeek captures only the
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# paths to the executables. Derive the prefixes from the binary paths under the
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# assumption that their bindir is under their prefix (which also implies that
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# one such prefix even exists).
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if ( NOT FLEX_EXECUTABLE )
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find_package(FLEX REQUIRED)
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endif ()
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get_filename_component(dir ${FLEX_EXECUTABLE} DIRECTORY ABSOLUTE)
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set(FLEX_ROOT ${dir}/..)
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if ( NOT BISON_EXECUTABLE )
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find_package(BISON REQUIRED)
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endif ()
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get_filename_component(dir ${BISON_EXECUTABLE} DIRECTORY ABSOLUTE)
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set(BISON_ROOT ${dir}/..)
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if ( NOT BINARY_PACKAGING_MODE )
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# TODO: Broker seems to always turn on static libraries. We don't want that for Spicy by default.
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set(BUILD_SHARED_LIBS yes)
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endif ()
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# Spicy uses slightly less strict warnings than Zeek proper. Mute a few warnings for Spicy.
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# NOTE: Compiler flags are inherited down the directory tree, so in order to
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# set these flags we do need a customizable subdirectory above the Spicy
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# sources.
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-missing-braces")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-vla")
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# GCC 13 adds a new flag to check whether a symbol changes meaning. Due to an issue in one
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# of the dependencies used by Spicy, this causes Zeek to fail to build on that compiler.
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# Until this is fixed, ignore that warning, but check to to make sure the flag exists first.
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include(CheckCXXCompilerFlag)
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check_cxx_compiler_flag("-Wno-changes-meaning" _has_no_changes_meaning_flag)
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if ( _has_no_changes_meaning_flag )
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-changes-meaning")
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endif ()
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# The script generating precompiled headers for Spicy expects a different build
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# system layout than provided for a bundled Spicy, disable it.
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set(HILTI_DEV_PRECOMPILE_HEADERS OFF)
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add_subdirectory(spicy)
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# Disable Spicy unit test targets.
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#
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# Spicy builds its unit tests as part of `ALL`. They are usually not only
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# uninteresting for us but might cause problems. Since any configuration
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# we do for our unit tests happens through global C++ compiler flags, they
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# would get inherited directly by Spicy which can cause issues, e.g., we set
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# `-DDOCTEST_CONFIG_DISABLE` if `ENABLE_ZEEK_UNIT_TESTS` is false, but Spicy
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# unit test do not anticipate this define being set.
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set_target_properties(
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hilti-rt-tests
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hilti-rt-configuration-tests
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spicy-rt-tests
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hilti-toolchain-tests
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spicy-toolchain-tests
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PROPERTIES EXCLUDE_FROM_ALL TRUE)
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