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5a1af142f1
For special properties like `INCLUDE_DIRECTORIES`, the pointer returned by `cmTarget::GetProperty` is only valid until the next time the same special property is queried on *any* target. When evaluating a nested `TARGET_PROPERTY` generator expression we may look up such a property more than once on different targets. Fix `TargetPropertyNode::Evaluate` to store the lookup result in locally owned memory earlier. Fixes: #19286
19 lines
702 B
CMake
19 lines
702 B
CMake
cmake_minimum_required(VERSION 3.14)
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enable_language(C)
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add_library(foo1 STATIC empty.c)
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target_include_directories(foo1 PUBLIC include)
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target_link_libraries(foo1 PRIVATE foo2 foo3 foo4)
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add_library(foo2 STATIC empty.c)
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target_include_directories(foo2 PUBLIC $<TARGET_PROPERTY:foo1,INCLUDE_DIRECTORIES>)
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add_library(foo3 STATIC empty.c)
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target_include_directories(foo3 PUBLIC $<TARGET_PROPERTY:foo2,INCLUDE_DIRECTORIES>)
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add_library(foo4 STATIC empty.c)
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target_include_directories(foo4 PUBLIC $<TARGET_PROPERTY:foo3,INCLUDE_DIRECTORIES>)
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# Evaluate a genex that looks up INCLUDE_DIRECTORIES on multiple targets.
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file(GENERATE OUTPUT out.txt CONTENT "$<TARGET_PROPERTY:foo4,INCLUDE_DIRECTORIES>")
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