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https://gitlab.kitware.com/cmake/cmake.git
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Mickaël Germain
0f6e8ded1d
Add an APPLY action to $<LIST:TRANSFORM> that evaluates an arbitrary <body> once per selected element, with $<_0> bound to the element, so a list can be mapped through any generator expression at generate time. Unlike the configure-time list(TRANSFORM ... APPLY <function>) command, the genex form has no side effects and returns the body's value directly, and a list-valued result expands into multiple elements. The body evaluates in its own binding scope, so nested APPLY actions can shadow $<_0>, and context-sensitive state it observes (such as target dependencies) still propagates to the enclosing expression. APPLY accepts the same AT/FOR/REGEX selectors as the canned actions. Issue: #27892
13 lines
528 B
CMake
13 lines
528 B
CMake
file(READ "${RunCMake_TEST_BINARY_DIR}/nested.txt" actual)
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file(READ "${RunCMake_TEST_BINARY_DIR}/expected.txt" expected)
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string(STRIP "${actual}" actual)
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string(STRIP "${expected}" expected)
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# The nested APPLY (outer binds each target, inner uppercases each include dir)
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# must equal the explicit per-target expansion exactly.
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if(NOT actual STREQUAL expected)
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set(RunCMake_TEST_FAILED
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"nested APPLY output does not match the explicit expansion:\n"
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" actual: [${actual}]\n"
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" expected: [${expected}]")
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endif()
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