| Commit message (Collapse) | Author | Age | Files | Lines | |
|---|---|---|---|---|---|
| * | LINK_LIBRARIES_STRATEGY: Rename strategies to clarify expectations | Brad King | 2024-10-25 | 1 | -9/+0 |
| | | | | | | | | | | | | | | | | | | | | | | | Since commit 7abd3137b7 (Linking: Optionally reorder direct dependencies from LINK_LIBRARIES, 2024-09-19, v3.31.0-rc1~53^2) the strategy name `PRESERVE_ORDER` has led users to expect that it strictly preserves order. While the part of the link line generation logic controlled by `LINK_LIBRARIES_STRATEGY` does preserve order, it is not the last step. Toolchain-specific de-duplication can cause the order to change on the actual link line generated in the build system. Rename the strategies: * `PRESERVE_ORDER` => `REORDER_MINIMALLY` * `REORDER` => `REORDER_FREELY` The new names make it clear that reordering is always possible, just to varying degrees. Update the `LINK_LIBRARIES_STRATEGY` documentation to clarify that the strategies do not directly control the final link line. Fixes: #26400 Issue: #26271 | ||||
| * | Linking: Optionally reorder direct dependencies from LINK_LIBRARIES | Brad King | 2024-09-25 | 1 | -0/+9 |
| Traditionally CMake generates link lines by starting with the direct link dependencies specified by `LINK_LIBRARIES` in their original order and then appending indirect dependencies that the direct dependencies do not express. This gives projects control over ordering among independent entries, which can be important when intermixing flags and libraries, or when multiple libraries provide the same symbol. However, it may also result in inefficient link lines. Add support for an alternative strategy that can reorder direct link dependencies to produce more efficient link lines. This is useful for projects that cannot easily specify their targets' direct dependencies in an order that satisfies indirect dependencies. Add a `CMAKE_LINK_LIBRARIES_STRATEGY` variable and corresponding `LINK_LIBRARIES_STRATEGY` target property to select a strategy. Fixes: #26271 | |||||
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| CMake is a cross-platform, open-source build system generator. |
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