CMake encountered an error during the configuration process due to a duplicate custom target definition.

[kkXK XXX]

• It tried to create a custom target named generate_asm_utils_x86.asm in the file:

  cpp2asm_support.cmake:439
• However, a target with the same name already exists, previously defined in:
• drmemory/dynamorio/ext/drsyscall

• CMake does not allow two targets with the same name, even across different directories.

• This is related to CMake policy CMP0002, which states that all target names must be globally unique.

• 
  

[Derek Bruening]

This is due to drsyscall having been moved to dynamorio but not yet removed from drmemory: https://github.com/DynamoRIO/dynamorio/issues/7303

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[Derek Bruening]

However, https://github.com/DynamoRIO/drmemory/pull/2554 renamed the drsyscall inside drmemory to drmf_drsyscall, so there should be no configuration issue. Are you using the latest source version?

[Grzegorz Niemirowski]

Hi

I'm having this problem with current master. I think it's because generate_asm_utils_x86.asm target is generated in two places:

main CMakeLists.txt, line 1049

CMakeLists.txt in dynamorio\ext\drsyscall, line 44

PR2554 references different targets, not asm related.

Regards,

Grzegorz Niemirowski

[Grzegorz Niemirowski]

So it seems the problem occurs only when using Visual Studio as a generator. When using Ninja, the error goes away.

But it's not the end of problems. For some reason cmake uses cl.exe as an assembler:

-- Found assembler: C:/Program Files/Microsoft Visual Studio/2022/Community/VC/Tools/MSVC/14.44.35207/bin/Hostx64/x64/cl.exe

I can force ml64.exe manually by passing -DCMAKE_ASM_COMPILER="C:/Program Files/Microsoft Visual Studio/2022/Community/VC/Tools/MSVC/14.44.35207/bin/Hostx64/x64/ml64.exe"

but later there is compilation error, because cl.exe is given a gcc flag:

cl : Command line error D8021 : invalid numeric argument '/Wno-all'

I don't know how to fix it. The problem is with tests/CMakeFiles/allowlist_lib.dir/allowlist_lib.cpp.obj so the workaround can be to disable tests:

-DBUILD_TOOL_TESTS=False

Then the project builds successfully. I'm wondering how it works on github because I don't see CMAKE_ASM_COMPILER nor BUILD_TOOL_TESTS passed to cmake in github actions log:

Configure with command: "C:/Program Files/CMake/bin/cmake.exe" "-GNinja" "-SD:/a/drmemory/drmemory" "-BD:/a/drmemory/drmemory/build_drmemory-dbg-64"