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VS: Improve workaround for CUDA -Xcompiler placement bug

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In commit v3.9.0-rc1~431^2~6 (VS: Place CUDA host compiler options in
proper project file fields, 2017-03-07) we worked around a bug in the
CUDA VS integration by dropping `AdditionalCompilerOptions`.  However,
this silently drops `-Xcompiler=` options given by the user that don't
map to one of CudaCompile's dedicated settings.  Improve the workaround
to instead put the remaining `AdditionalCompilerOptions` into the
`AdditionalOptions` field behind `-Xcompiler=` ourselves.
This commit is contained in:
Brad King 2017-06-21 14:15:23 -04:00
parent f2059585e6
commit 3b75421515
2 changed files with 14 additions and 3 deletions
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13
Source/cmVisualStudio10TargetGenerator.cxx
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@ -2523,9 +2523,16 @@ bool cmVisualStudio10TargetGenerator::ComputeCudaOptions(
cudaOptions.AddTable(gg->GetCudaHostFlagTable());
cudaOptions.Reparse("AdditionalCompilerOptions");
// `CUDA 8.0.targets` places these before nvcc! Just drop whatever
// did not parse and hope it works.
cudaOptions.RemoveFlag("AdditionalCompilerOptions");
// `CUDA 8.0.targets` places AdditionalCompilerOptions before nvcc!
// Pass them through -Xcompiler in AdditionalOptions instead.
if (const char* acoPtr = cudaOptions.GetFlag("AdditionalCompilerOptions")) {
std::string aco = acoPtr;
cudaOptions.RemoveFlag("AdditionalCompilerOptions");
if (!aco.empty()) {
aco = this->LocalGenerator->EscapeForShell(aco, false);
cudaOptions.AppendFlag("AdditionalOptions", "-Xcompiler=" + aco);
}
}
cudaOptions.FixCudaCodeGeneration();

4
Tests/CudaOnly/SeparateCompilation/CMakeLists.txt
View File

@ -15,6 +15,10 @@ set(CMAKE_CUDA_STANDARD 11)
add_library(CUDASeparateLibA STATIC file1.cu file2.cu file3.cu)
if(CMAKE_CUDA_SIMULATE_ID STREQUAL "MSVC")
target_compile_options(CUDASeparateLibA PRIVATE -Xcompiler=-bigobj)
endif()
#Having file4/file5 in a shared library causes serious problems
#with the nvcc linker and it will generate bad entries that will
#cause a segv when trying to run the executable