CMake/Source/cmLDConfigLDConfigTool.cxx
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72 lines
2.1 KiB
C++

/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file Copyright.txt or https://cmake.org/licensing for details. */
#include "cmLDConfigLDConfigTool.h"
#include <istream>
#include <string>
#include <vector>
#include "cmsys/RegularExpression.hxx"
#include "cmMakefile.h"
#include "cmRuntimeDependencyArchive.h"
#include "cmStringAlgorithms.h"
#include "cmSystemTools.h"
#include "cmUVProcessChain.h"
cmLDConfigLDConfigTool::cmLDConfigLDConfigTool(
cmRuntimeDependencyArchive* archive)
: cmLDConfigTool(archive)
{
}
bool cmLDConfigLDConfigTool::GetLDConfigPaths(std::vector<std::string>& paths)
{
std::string ldConfigPath =
this->Archive->GetMakefile()->GetSafeDefinition("CMAKE_LDCONFIG_COMMAND");
if (ldConfigPath.empty()) {
ldConfigPath = cmSystemTools::FindProgram(
"ldconfig", { "/sbin", "/usr/sbin", "/usr/local/sbin" });
if (ldConfigPath.empty()) {
this->Archive->SetError("Could not find ldconfig");
return false;
}
}
std::vector<std::string> ldConfigCommand = cmExpandedList(ldConfigPath);
ldConfigCommand.emplace_back("-v");
ldConfigCommand.emplace_back("-N"); // Don't rebuild the cache.
ldConfigCommand.emplace_back("-X"); // Don't update links.
cmUVProcessChainBuilder builder;
builder.SetBuiltinStream(cmUVProcessChainBuilder::Stream_OUTPUT)
.AddCommand(ldConfigCommand);
auto process = builder.Start();
if (!process.Valid()) {
this->Archive->SetError("Failed to start ldconfig process");
return false;
}
std::string line;
static const cmsys::RegularExpression regex("^([^\t:]*):");
while (std::getline(*process.OutputStream(), line)) {
cmsys::RegularExpressionMatch match;
if (regex.find(line.c_str(), match)) {
paths.push_back(match.match(1));
}
}
if (!process.Wait()) {
this->Archive->SetError("Failed to wait on ldconfig process");
return false;
}
auto status = process.GetStatus();
if (!status[0] || status[0]->ExitStatus != 0) {
this->Archive->SetError("Failed to run ldconfig");
return false;
}
return true;
}