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/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file Copyright.txt or https://cmake.org/licensing for details. */
#include "cmLinkLineDeviceComputer.h"
#include <sstream>
#include "cmAlgorithms.h"
#include "cmComputeLinkInformation.h"
#include "cmGeneratorTarget.h"
#include "cmGlobalNinjaGenerator.h"
#include "cmStateTypes.h"
class cmOutputConverter;
cmLinkLineDeviceComputer::cmLinkLineDeviceComputer(
cmOutputConverter* outputConverter, cmStateDirectory const& stateDir)
: cmLinkLineComputer(outputConverter, stateDir)
{
}
cmLinkLineDeviceComputer::~cmLinkLineDeviceComputer()
{
}
static bool cmLinkItemValidForDevice(std::string const& item)
{
// Valid items are:
// * Non-flags (does not start in '-')
// * Specific flags --library, --library-path, -l, -L
// For example:
// * 'cublas_device' => pass-along
// * '--library pthread' => pass-along
// * '-lpthread' => pass-along
// * '-pthread' => drop
// * '-a' => drop
return (!cmHasLiteralPrefix(item, "-") || //
cmHasLiteralPrefix(item, "-l") || //
cmHasLiteralPrefix(item, "-L") || //
cmHasLiteralPrefix(item, "--library"));
}
std::string cmLinkLineDeviceComputer::ComputeLinkLibraries(
cmComputeLinkInformation& cli, std::string const& stdLibString)
{
// Write the library flags to the build rule.
std::ostringstream fout;
typedef cmComputeLinkInformation::ItemVector ItemVector;
ItemVector const& items = cli.GetItems();
std::string config = cli.GetConfig();
for (auto const& item : items) {
if (item.Target) {
bool skip = false;
switch (item.Target->GetType()) {
case cmStateEnums::MODULE_LIBRARY:
case cmStateEnums::INTERFACE_LIBRARY:
skip = true;
break;
case cmStateEnums::STATIC_LIBRARY:
skip = item.Target->GetPropertyAsBool("CUDA_RESOLVE_DEVICE_SYMBOLS");
break;
default:
break;
}
if (skip) {
continue;
}
}
if (item.IsPath) {
// nvcc understands absolute paths to libraries ending in '.a' or '.lib'.
// These should be passed to nvlink. Other extensions need to be left
// out because nvlink may not understand or need them. Even though it
// can tolerate '.so' or '.dylib' it cannot tolerate '.so.1'.
if (cmHasLiteralSuffix(item.Value, ".a") ||
cmHasLiteralSuffix(item.Value, ".lib")) {
fout << this->ConvertToOutputFormat(
this->ConvertToLinkReference(item.Value));
}
} else if (cmLinkItemValidForDevice(item.Value)) {
fout << item.Value;
}
fout << " ";
}
if (!stdLibString.empty()) {
fout << stdLibString << " ";
}
return fout.str();
}
std::string cmLinkLineDeviceComputer::GetLinkerLanguage(cmGeneratorTarget*,
std::string const&)
{
return "CUDA";
}
cmNinjaLinkLineDeviceComputer::cmNinjaLinkLineDeviceComputer(
cmOutputConverter* outputConverter, cmStateDirectory const& stateDir,
cmGlobalNinjaGenerator const* gg)
: cmLinkLineDeviceComputer(outputConverter, stateDir)
, GG(gg)
{
}
std::string cmNinjaLinkLineDeviceComputer::ConvertToLinkReference(
std::string const& lib) const
{
return GG->ConvertToNinjaPath(lib);
}
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