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7e615a540e
Starting with Clang 12, `otool -l` reports `LC_LOAD_WEAK_DYLIB` instead of `LC_LOAD_DYLIB` for weakly linked libraries. Update the implementation of `file(GET_RUNTIME_DEPENDENCIES)` to recognize these. Fixes: #21684
101 lines
3.1 KiB
C++
101 lines
3.1 KiB
C++
/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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file Copyright.txt or https://cmake.org/licensing for details. */
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#include "cmBinUtilsMacOSMachOOToolGetRuntimeDependenciesTool.h"
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#include <sstream>
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#include <cmsys/RegularExpression.hxx>
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#include "cmRuntimeDependencyArchive.h"
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#include "cmUVProcessChain.h"
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cmBinUtilsMacOSMachOOToolGetRuntimeDependenciesTool::
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cmBinUtilsMacOSMachOOToolGetRuntimeDependenciesTool(
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cmRuntimeDependencyArchive* archive)
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: cmBinUtilsMacOSMachOGetRuntimeDependenciesTool(archive)
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{
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}
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bool cmBinUtilsMacOSMachOOToolGetRuntimeDependenciesTool::GetFileInfo(
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std::string const& file, std::vector<std::string>& libs,
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std::vector<std::string>& rpaths)
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{
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std::vector<std::string> command;
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if (!this->Archive->GetGetRuntimeDependenciesCommand("otool", command)) {
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this->SetError("Could not find otool");
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return false;
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}
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command.emplace_back("-l");
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command.emplace_back(file);
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cmUVProcessChainBuilder builder;
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builder.SetBuiltinStream(cmUVProcessChainBuilder::Stream_OUTPUT)
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.AddCommand(command);
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auto process = builder.Start();
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if (!process.Valid()) {
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std::ostringstream e;
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e << "Failed to start otool process for:\n " << file;
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this->SetError(e.str());
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return false;
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}
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std::string line;
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static const cmsys::RegularExpression rpathRegex("^ *cmd LC_RPATH$");
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static const cmsys::RegularExpression loadDylibRegex(
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"^ *cmd LC_LOAD(_WEAK)?_DYLIB$");
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static const cmsys::RegularExpression pathRegex(
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"^ *path (.*) \\(offset [0-9]+\\)$");
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static const cmsys::RegularExpression nameRegex(
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"^ *name (.*) \\(offset [0-9]+\\)$");
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while (std::getline(*process.OutputStream(), line)) {
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cmsys::RegularExpressionMatch cmdMatch;
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if (rpathRegex.find(line.c_str(), cmdMatch)) {
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if (!std::getline(*process.OutputStream(), line) ||
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!std::getline(*process.OutputStream(), line)) {
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this->SetError("Invalid output from otool");
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return false;
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}
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cmsys::RegularExpressionMatch pathMatch;
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if (pathRegex.find(line.c_str(), pathMatch)) {
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rpaths.push_back(pathMatch.match(1));
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} else {
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this->SetError("Invalid output from otool");
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return false;
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}
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} else if (loadDylibRegex.find(line.c_str(), cmdMatch)) {
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if (!std::getline(*process.OutputStream(), line) ||
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!std::getline(*process.OutputStream(), line)) {
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this->SetError("Invalid output from otool");
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return false;
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}
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cmsys::RegularExpressionMatch nameMatch;
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if (nameRegex.find(line.c_str(), nameMatch)) {
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libs.push_back(nameMatch.match(1));
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} else {
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this->SetError("Invalid output from otool");
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return false;
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}
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}
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}
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if (!process.Wait()) {
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std::ostringstream e;
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e << "Failed to wait on otool process for:\n " << file;
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this->SetError(e.str());
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return false;
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}
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auto status = process.GetStatus();
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if (!status[0] || status[0]->ExitStatus != 0) {
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std::ostringstream e;
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e << "Failed to run otool on:\n " << file;
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this->SetError(e.str());
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return false;
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}
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return true;
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}
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