cmake/Tests/RunCMake/cmake_language/Experimental/CxxImportStd-set.cmake at c1d58d3f3d14213b1d8336255a731fe1234dfd1a - cmake - SHS Gitea

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Brad King c1d58d3f3d Experimental: Restore import std gate

Several problems with this feature came up while testing 4.3.0-rc1.
These include both broken stdlib distributions and regressions in our
implementation of the feature since CMake 4.2.

Revert commit 70c1f0f43d (Experimental: Remove import std experimental
gate, 2026-02-04, v4.3.0-rc1~61^2) except for its incidental fixes.

Remove the 4.3 release notes related to `import std`.

Rotate the experimental gate's UUID.

Issue: #27426
Issue: #27597
Issue: #27626
Issue: #27635

2026-02-26 17:19:19 -05:00

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 set(CMAKE_EXPERIMENTAL_CXX_IMPORT_STD
   "451f2fe2-a8a2-47c3-bc32-94786d8fc91b")
 cmake_language(GET_EXPERIMENTAL_FEATURE_ENABLED
   "CxxImportStd"
   feature_present)
 if (NOT feature_present STREQUAL "TRUE")
   message(FATAL_ERROR
     "Expected the `CxxImportStd` feature to be enabled.")
 endif ()