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<base href="http://llvm.org/bugs/" />
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - CMake build doesn't set LLVM_ENABLE_PLUGINS properly"
href="http://llvm.org/bugs/show_bug.cgi?id=21134">21134</a>
</td>
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<th>Summary</th>
<td>CMake build doesn't set LLVM_ENABLE_PLUGINS properly
</td>
</tr>
<tr>
<th>Product</th>
<td>new-bugs
</td>
</tr>
<tr>
<th>Version</th>
<td>trunk
</td>
</tr>
<tr>
<th>Hardware</th>
<td>All
</td>
</tr>
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<th>OS</th>
<td>All
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
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<th>Severity</th>
<td>normal
</td>
</tr>
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<th>Priority</th>
<td>P
</td>
</tr>
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<th>Component</th>
<td>new bugs
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>ransford@cs.washington.edu
</td>
</tr>
<tr>
<th>CC</th>
<td>llvmbugs@cs.uiuc.edu
</td>
</tr>
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<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=13119" name="attach_13119" title="CMakeLists.txt">attachment 13119</a> <a href="attachment.cgi?id=13119&action=edit" title="CMakeLists.txt">[details]</a></span>
CMakeLists.txt
Building {llvm,cfe,compiler-rt}-3.5.0 out of tree with CMake correctly puts the
"AddLLVM" CMake files in $PREFIX/share/llvm/cmake/, but trying to use this
machinery to build an out-of-tree pass with CMake, the
add_llvm_loadable_module() function complains "Loadable modules not supported
on this platform" and generates a Makefile that doesn't build the pass. Under
{llvm,cfe}-3.4.2 and compiler-rt-3.4 with identical CMake build commands for
LLVM and the pass, CMake produced a correct Makefile.
Both versions of LLVM (+ Clang, + compiler-rt) built with (substitute 3.4.2,
3.5.0 for X.X.X):
$ cmake -DLLVM_TARGETS_TO_BUILD=X86 -DCMAKE_BUILD_TYPE=Debug
-DCMAKE_INSTALL_PREFIX=/tmp/llvm-X.X.X /tmp/llvm-X.X.X.src
Pass code and CMakeLists.txt attached. Build with:
$ mkdir build
$ cd build
$ cmake -DLLVM_ROOT=/tmp/llvm-X.X.X ..
It appears that the rules in $PREFIX/share/llvm/cmake/ aren't setting
LLVM_ENABLE_PLUGINS properly when X.X.X == 3.5.0.
Tested on both Linux and OS X (Mavericks) -- same bug.</pre>
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