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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Dependencies in INTERFACE_LINK_LIBRARIES should be detected with find_dependency"
href="https://bugs.llvm.org/show_bug.cgi?id=49508">49508</a>
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<th>Summary</th>
<td>Dependencies in INTERFACE_LINK_LIBRARIES should be detected with find_dependency
</td>
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<th>Product</th>
<td>Build scripts
</td>
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<th>Version</th>
<td>trunk
</td>
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<th>Hardware</th>
<td>All
</td>
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<th>OS</th>
<td>All
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>enhancement
</td>
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<th>Priority</th>
<td>P
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<th>Component</th>
<td>cmake
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
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<th>Reporter</th>
<td>mario@emmenlauer.de
</td>
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<th>CC</th>
<td>llvm-bugs@lists.llvm.org
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<p>
<div>
<pre>Currently `LLVMExports.cmake` contains `INTERFACE_LINK_LIBRARIES` with entries
like `"z;rt;dl;tinfo;-lpthread;m;LLVMDemangle"` for the LLVM Ubuntu packages.
This assumes that a user has library `z` and others available in a system
directory, which may not necessarily be the case.
Modern clean cmake policy suggests that library dependencies should be searched
with `find_dependency` (see
<a href="https://cmake.org/cmake/help/latest/module/CMakeFindDependencyMacro.html">https://cmake.org/cmake/help/latest/module/CMakeFindDependencyMacro.html</a>)
rather than hardcoded. This will allow to include paths in the search that a
user configured for the original main cmake project. I.e. it allows users to
say `cmake -DCMAKE_PREFIX_PATH=xxx`, to add a number of non-standard
directories to the search list.</pre>
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