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Support backward compatibility in CMake package
VTK-m development is in a mode where backward compatibility should be maintained between minor versions of the software. (You may get deprecation warnings, but things should still work.) To match this behavior, the generated CMake package now supports finding versions with the same major release and the same or newer minor release. For example, if an external program does this ``` cmake find_package(VTKm 2.1 REQUIRED) ``` then CMake will link to 2.1 (of course) as well as newer minor releases (e.g., 2.2, 2.3, etc.). It will not, however, match older versions (e.g., 2.0, 1.9), nor will it match any version after the next major release (e.g., 3.0).
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@ -337,7 +337,7 @@ configure_package_config_file(
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write_basic_package_version_file(
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${VTKm_BUILD_CMAKE_BASE_DIR}/${VTKm_INSTALL_CONFIG_DIR}/VTKmConfigVersion.cmake
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VERSION ${VTKm_VERSION}
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COMPATIBILITY ExactVersion )
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COMPATIBILITY SameMajorVersion )
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#-----------------------------------------------------------------------------
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# Create makefile/package files for projects not using CMake
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17
docs/changelog/allow-backward-compatibility.md
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17
docs/changelog/allow-backward-compatibility.md
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@ -0,0 +1,17 @@
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# Support backward compatibility in CMake package
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VTK-m development is in a mode where backward compatibility should be
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maintained between minor versions of the software. (You may get deprecation
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warnings, but things should still work.) To match this behavior, the
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generated CMake package now supports finding versions with the same major
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release and the same or newer minor release. For example, if an external
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program does this
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``` cmake
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find_package(VTKm 2.1 REQUIRED)
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```
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then CMake will link to 2.1 (of course) as well as newer minor releases
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(e.g., 2.2, 2.3, etc.). It will not, however, match older versions (e.g.,
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2.0, 1.9), nor will it match any version after the next major release
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(e.g., 3.0).
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