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1588a577d1
Previously the `INTERPROCEDURAL_OPTIMIZATION` target property was honored only for the Intel compiler on Linux and otherwise ignored. In order to add support for more compilers incrementally without changing behavior in the future, add a new policy whose NEW behavior enforces the `INTERPROCEDURAL_OPTIMIZATION` property. Add flags for supported compilers and otherwise produce an error.
304 lines
19 KiB
C++
304 lines
19 KiB
C++
/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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file Copyright.txt or https://cmake.org/licensing for details. */
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#ifndef cmPolicies_h
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#define cmPolicies_h
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#include <cmConfigure.h> // IWYU pragma: keep
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#include <bitset>
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#include <string>
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class cmMakefile;
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#define CM_FOR_EACH_POLICY_TABLE(POLICY, SELECT) \
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SELECT(POLICY, CMP0000, \
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"A minimum required CMake version must be specified.", 2, 6, 0, \
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cmPolicies::WARN) \
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SELECT(POLICY, CMP0001, \
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"CMAKE_BACKWARDS_COMPATIBILITY should no longer be used.", 2, 6, 0, \
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cmPolicies::WARN) \
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SELECT(POLICY, CMP0002, "Logical target names must be globally unique.", 2, \
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6, 0, cmPolicies::WARN) \
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SELECT( \
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POLICY, CMP0003, \
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"Libraries linked via full path no longer produce linker search paths.", \
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2, 6, 0, cmPolicies::WARN) \
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SELECT(POLICY, CMP0004, \
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"Libraries linked may not have leading or trailing whitespace.", 2, \
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6, 0, cmPolicies::WARN) \
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SELECT(POLICY, CMP0005, \
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"Preprocessor definition values are now escaped automatically.", 2, \
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6, 0, cmPolicies::WARN) \
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SELECT(POLICY, CMP0006, \
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"Installing MACOSX_BUNDLE targets requires a BUNDLE DESTINATION.", \
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2, 6, 0, cmPolicies::WARN) \
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SELECT(POLICY, CMP0007, "list command no longer ignores empty elements.", \
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2, 6, 0, cmPolicies::WARN) \
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SELECT( \
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POLICY, CMP0008, \
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"Libraries linked by full-path must have a valid library file name.", 2, \
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6, 1, cmPolicies::WARN) \
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SELECT(POLICY, CMP0009, \
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"FILE GLOB_RECURSE calls should not follow symlinks by default.", 2, \
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6, 2, cmPolicies::WARN) \
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SELECT(POLICY, CMP0010, "Bad variable reference syntax is an error.", 2, 6, \
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3, cmPolicies::WARN) \
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SELECT(POLICY, CMP0011, \
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"Included scripts do automatic cmake_policy PUSH and POP.", 2, 6, 3, \
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cmPolicies::WARN) \
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SELECT(POLICY, CMP0012, "if() recognizes numbers and boolean constants.", \
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2, 8, 0, cmPolicies::WARN) \
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SELECT(POLICY, CMP0013, "Duplicate binary directories are not allowed.", 2, \
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8, 0, cmPolicies::WARN) \
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SELECT(POLICY, CMP0014, "Input directories must have CMakeLists.txt.", 2, \
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8, 0, cmPolicies::WARN) \
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SELECT(POLICY, CMP0015, \
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"link_directories() treats paths relative to the source dir.", 2, 8, \
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1, cmPolicies::WARN) \
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SELECT(POLICY, CMP0016, \
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"target_link_libraries() reports error if its only argument " \
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"is not a target.", \
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2, 8, 3, cmPolicies::WARN) \
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SELECT(POLICY, CMP0017, \
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"Prefer files from the CMake module directory when including from " \
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"there.", \
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2, 8, 4, cmPolicies::WARN) \
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SELECT(POLICY, CMP0018, \
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"Ignore CMAKE_SHARED_LIBRARY_<Lang>_FLAGS variable.", 2, 8, 9, \
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cmPolicies::WARN) \
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SELECT(POLICY, CMP0019, \
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"Do not re-expand variables in include and link information.", 2, 8, \
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11, cmPolicies::WARN) \
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SELECT(POLICY, CMP0020, \
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"Automatically link Qt executables to qtmain target on Windows.", 2, \
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8, 11, cmPolicies::WARN) \
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SELECT( \
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POLICY, CMP0021, \
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"Fatal error on relative paths in INCLUDE_DIRECTORIES target property.", \
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2, 8, 12, cmPolicies::WARN) \
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SELECT(POLICY, CMP0022, \
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"INTERFACE_LINK_LIBRARIES defines the link interface.", 2, 8, 12, \
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cmPolicies::WARN) \
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SELECT( \
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POLICY, CMP0023, \
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"Plain and keyword target_link_libraries signatures cannot be mixed.", 2, \
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8, 12, cmPolicies::WARN) \
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SELECT(POLICY, CMP0024, "Disallow include export result.", 3, 0, 0, \
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cmPolicies::WARN) \
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SELECT(POLICY, CMP0025, "Compiler id for Apple Clang is now AppleClang.", \
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3, 0, 0, cmPolicies::WARN) \
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SELECT(POLICY, CMP0026, "Disallow use of the LOCATION target property.", 3, \
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0, 0, cmPolicies::WARN) \
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SELECT(POLICY, CMP0027, \
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"Conditionally linked imported targets with missing include " \
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"directories.", \
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3, 0, 0, cmPolicies::WARN) \
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SELECT(POLICY, CMP0028, \
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"Double colon in target name means ALIAS or IMPORTED target.", 3, 0, \
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0, cmPolicies::WARN) \
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SELECT(POLICY, CMP0029, "The subdir_depends command should not be called.", \
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3, 0, 0, cmPolicies::WARN) \
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SELECT(POLICY, CMP0030, \
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"The use_mangled_mesa command should not be called.", 3, 0, 0, \
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cmPolicies::WARN) \
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SELECT(POLICY, CMP0031, "The load_command command should not be called.", \
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3, 0, 0, cmPolicies::WARN) \
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SELECT(POLICY, CMP0032, \
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"The output_required_files command should not be called.", 3, 0, 0, \
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cmPolicies::WARN) \
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SELECT(POLICY, CMP0033, \
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"The export_library_dependencies command should not be called.", 3, \
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0, 0, cmPolicies::WARN) \
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SELECT(POLICY, CMP0034, "The utility_source command should not be called.", \
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3, 0, 0, cmPolicies::WARN) \
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SELECT(POLICY, CMP0035, \
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"The variable_requires command should not be called.", 3, 0, 0, \
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cmPolicies::WARN) \
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SELECT(POLICY, CMP0036, "The build_name command should not be called.", 3, \
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0, 0, cmPolicies::WARN) \
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SELECT(POLICY, CMP0037, \
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"Target names should not be reserved and should match a validity " \
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"pattern.", \
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3, 0, 0, cmPolicies::WARN) \
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SELECT(POLICY, CMP0038, "Targets may not link directly to themselves.", 3, \
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0, 0, cmPolicies::WARN) \
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SELECT(POLICY, CMP0039, "Utility targets may not have link dependencies.", \
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3, 0, 0, cmPolicies::WARN) \
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SELECT(POLICY, CMP0040, \
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"The target in the TARGET signature of add_custom_command() must " \
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"exist.", \
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3, 0, 0, cmPolicies::WARN) \
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SELECT(POLICY, CMP0041, \
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"Error on relative include with generator expression.", 3, 0, 0, \
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cmPolicies::WARN) \
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SELECT(POLICY, CMP0042, "MACOSX_RPATH is enabled by default.", 3, 0, 0, \
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cmPolicies::WARN) \
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SELECT(POLICY, CMP0043, "Ignore COMPILE_DEFINITIONS_<Config> properties.", \
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3, 0, 0, cmPolicies::WARN) \
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SELECT(POLICY, CMP0044, \
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"Case sensitive <LANG>_COMPILER_ID generator expressions.", 3, 0, 0, \
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cmPolicies::WARN) \
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SELECT(POLICY, CMP0045, \
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"Error on non-existent target in get_target_property.", 3, 0, 0, \
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cmPolicies::WARN) \
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SELECT(POLICY, CMP0046, \
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"Error on non-existent dependency in add_dependencies.", 3, 0, 0, \
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cmPolicies::WARN) \
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SELECT(POLICY, CMP0047, "Use QCC compiler id for the qcc drivers on QNX.", \
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3, 0, 0, cmPolicies::WARN) \
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SELECT(POLICY, CMP0048, "project() command manages VERSION variables.", 3, \
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0, 0, cmPolicies::WARN) \
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SELECT(POLICY, CMP0049, \
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"Do not expand variables in target source entries.", 3, 0, 0, \
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cmPolicies::WARN) \
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SELECT(POLICY, CMP0050, "Disallow add_custom_command SOURCE signatures.", \
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3, 0, 0, cmPolicies::WARN) \
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SELECT(POLICY, CMP0051, "List TARGET_OBJECTS in SOURCES target property.", \
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3, 1, 0, cmPolicies::WARN) \
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SELECT(POLICY, CMP0052, "Reject source and build dirs in installed " \
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"INTERFACE_INCLUDE_DIRECTORIES.", \
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3, 1, 0, cmPolicies::WARN) \
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SELECT(POLICY, CMP0053, \
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"Simplify variable reference and escape sequence evaluation.", 3, 1, \
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0, cmPolicies::WARN) \
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SELECT( \
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POLICY, CMP0054, \
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"Only interpret if() arguments as variables or keywords when unquoted.", \
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3, 1, 0, cmPolicies::WARN) \
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SELECT(POLICY, CMP0055, "Strict checking for break() command.", 3, 2, 0, \
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cmPolicies::WARN) \
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SELECT(POLICY, CMP0056, \
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"Honor link flags in try_compile() source-file signature.", 3, 2, 0, \
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cmPolicies::WARN) \
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SELECT(POLICY, CMP0057, "Support new IN_LIST if() operator.", 3, 3, 0, \
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cmPolicies::WARN) \
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SELECT(POLICY, CMP0058, \
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"Ninja requires custom command byproducts to be explicit.", 3, 3, 0, \
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cmPolicies::WARN) \
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SELECT(POLICY, CMP0059, \
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"Do not treat DEFINITIONS as a built-in directory property.", 3, 3, \
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0, cmPolicies::WARN) \
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SELECT(POLICY, CMP0060, \
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"Link libraries by full path even in implicit directories.", 3, 3, \
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0, cmPolicies::WARN) \
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SELECT(POLICY, CMP0061, \
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"CTest does not by default tell make to ignore errors (-i).", 3, 3, \
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0, cmPolicies::WARN) \
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SELECT(POLICY, CMP0062, "Disallow install() of export() result.", 3, 3, 0, \
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cmPolicies::WARN) \
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SELECT(POLICY, CMP0063, \
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"Honor visibility properties for all target types.", 3, 3, 0, \
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cmPolicies::WARN) \
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SELECT(POLICY, CMP0064, "Support new TEST if() operator.", 3, 4, 0, \
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cmPolicies::WARN) \
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SELECT(POLICY, CMP0065, \
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"Do not add flags to export symbols from executables without " \
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"the ENABLE_EXPORTS target property.", \
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3, 4, 0, cmPolicies::WARN) \
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SELECT(POLICY, CMP0066, \
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"Honor per-config flags in try_compile() source-file signature.", 3, \
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7, 0, cmPolicies::WARN) \
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SELECT(POLICY, CMP0067, \
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"Honor language standard in try_compile() source-file signature.", \
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3, 8, 0, cmPolicies::WARN) \
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SELECT(POLICY, CMP0068, \
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"RPATH settings on macOS do not affect install_name.", 3, 9, 0, \
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cmPolicies::WARN) \
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SELECT(POLICY, CMP0069, \
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"INTERPROCEDURAL_OPTIMIZATION is enforced when enabled.", 3, 9, 0, \
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cmPolicies::WARN)
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#define CM_SELECT_ID(F, A1, A2, A3, A4, A5, A6) F(A1)
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#define CM_FOR_EACH_POLICY_ID(POLICY) \
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CM_FOR_EACH_POLICY_TABLE(POLICY, CM_SELECT_ID)
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#define CM_FOR_EACH_TARGET_POLICY(F) \
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F(CMP0003) \
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F(CMP0004) \
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F(CMP0008) \
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F(CMP0020) \
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F(CMP0021) \
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F(CMP0022) \
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F(CMP0027) \
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F(CMP0038) \
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F(CMP0041) \
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F(CMP0042) \
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F(CMP0046) \
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F(CMP0052) \
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F(CMP0060) \
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F(CMP0063) \
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F(CMP0065) \
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F(CMP0068) \
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F(CMP0069)
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/** \class cmPolicies
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* \brief Handles changes in CMake behavior and policies
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*
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* See the cmake wiki section on
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* <a href="https://cmake.org/Wiki/CMake/Policies">policies</a>
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* for an overview of this class's purpose
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*/
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class cmPolicies
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{
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public:
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/// Status of a policy
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enum PolicyStatus
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{
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OLD, ///< Use old behavior
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WARN, ///< Use old behavior but issue a warning
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NEW, ///< Use new behavior
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/// Issue an error if user doesn't set policy status to NEW and hits the
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/// check
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REQUIRED_IF_USED,
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REQUIRED_ALWAYS ///< Issue an error unless user sets policy status to NEW.
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};
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/// Policy identifiers
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enum PolicyID
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{
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#define POLICY_ENUM(POLICY_ID) POLICY_ID,
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CM_FOR_EACH_POLICY_ID(POLICY_ENUM)
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#undef POLICY_ENUM
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/** \brief Always the last entry.
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*
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* Useful mostly to avoid adding a comma the last policy when adding a new
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* one.
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*/
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CMPCOUNT
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};
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///! convert a string policy ID into a number
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static bool GetPolicyID(const char* id, /* out */ cmPolicies::PolicyID& pid);
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///! Get the default status for a policy
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static cmPolicies::PolicyStatus GetPolicyStatus(cmPolicies::PolicyID id);
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///! Set a policy level for this listfile
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static bool ApplyPolicyVersion(cmMakefile* mf, const char* version);
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///! return a warning string for a given policy
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static std::string GetPolicyWarning(cmPolicies::PolicyID id);
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///! return an error string for when a required policy is unspecified
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static std::string GetRequiredPolicyError(cmPolicies::PolicyID id);
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///! return an error string for when a required policy is unspecified
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static std::string GetRequiredAlwaysPolicyError(cmPolicies::PolicyID id);
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/** Represent a set of policy values. */
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struct PolicyMap
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{
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PolicyStatus Get(PolicyID id) const;
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void Set(PolicyID id, PolicyStatus status);
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bool IsDefined(PolicyID id) const;
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bool IsEmpty() const;
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private:
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#define POLICY_STATUS_COUNT 3
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std::bitset<cmPolicies::CMPCOUNT * POLICY_STATUS_COUNT> Status;
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};
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};
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#endif
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