Add test for setting CMAKE_EXECUTABLE_SUFFIX from the command line #26244
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For some reason setting `CMAKE_EXECUTABLE_SUFFIX` from the command line does not work, even though settings `CMAKE_EXECUTABLE_SUFFIX_<LANG>` does work. This seems to be true regardless of what I do in the toolchain file. Its also true for native/host cmake. i.e. `-DCMAKE_EXECUTABLE_SUFFIX=.foo` has no effect but `-DCMAKE_EXECUTABLE_SUFFIX_C=.foo` works. Replaces: emscripten-core#22315
kripken
reviewed
Feb 11, 2026
| ret = self.run_process(['ctest'], env=env) | ||
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| def test_cmake_executable_suffix(self): | ||
| # Setting CMAKE_EXECUTABLE_SUFFIX for some reason does not work from the command line. |
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This makes it sound like the test is verifying an emscripten bug, but from your PR description this is the normal CMake behavior?
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| # Setting CMAKE_EXECUTABLE_SUFFIX for some reason does not work from the command line. | |
| # CMake ignores CMAKE_EXECUTABLE_SUFFIX from the command line. |
If it is a CMake bug perhaps link to it?
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According to the discussion in #22315 it seems like it not supposed to be set by the user at all.
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sg, then maybe just remove "for some reason"?
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For some reason setting
CMAKE_EXECUTABLE_SUFFIXfrom the command line does not work, even though settingsCMAKE_EXECUTABLE_SUFFIX_<LANG>does work. This seems to be true regardless of what I do in the toolchain file. Its also true for native/host cmake.i.e.
-DCMAKE_EXECUTABLE_SUFFIX=.foohas no effect but-DCMAKE_EXECUTABLE_SUFFIX_C=.fooworks.Replaces: #22315