1 files changed, 100 insertions, 0 deletions
diff --git a/Source/cmBinUtilsMacOSMachOOToolGetRuntimeDependenciesTool.cxx b/Source/cmBinUtilsMacOSMachOOToolGetRuntimeDependenciesTool.cxx
new file mode 100644
index 000000000..351d92aa8
--- /dev/null
+++ b/Source/cmBinUtilsMacOSMachOOToolGetRuntimeDependenciesTool.cxx
@@ -0,0 +1,100 @@
+/* Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
+   file Copyright.txt or https://cmake.org/licensing for details.  */
+
+#include "cmBinUtilsMacOSMachOOToolGetRuntimeDependenciesTool.h"
+
+#include <sstream>
+
+#include <cmsys/RegularExpression.hxx>
+
+#include "cmRuntimeDependencyArchive.h"
+#include "cmUVProcessChain.h"
+
+cmBinUtilsMacOSMachOOToolGetRuntimeDependenciesTool::
+  cmBinUtilsMacOSMachOOToolGetRuntimeDependenciesTool(
+    cmRuntimeDependencyArchive* archive)
+  : cmBinUtilsMacOSMachOGetRuntimeDependenciesTool(archive)
+{
+}
+
+bool cmBinUtilsMacOSMachOOToolGetRuntimeDependenciesTool::GetFileInfo(
+  std::string const& file, std::vector<std::string>& libs,
+  std::vector<std::string>& rpaths)
+{
+  std::vector<std::string> command;
+  if (!this->Archive->GetGetRuntimeDependenciesCommand("otool", command)) {
+    this->SetError("Could not find otool");
+    return false;
+  }
+  command.emplace_back("-l");
+  command.emplace_back(file);
+
+  cmUVProcessChainBuilder builder;
+  builder.SetBuiltinStream(cmUVProcessChainBuilder::Stream_OUTPUT)
+    .AddCommand(command);
+
+  auto process = builder.Start();
+  if (!process.Valid()) {
+    std::ostringstream e;
+    e << "Failed to start otool process for:\n  " << file;
+    this->SetError(e.str());
+    return false;
+  }
+
+  std::string line;
+  static const cmsys::RegularExpression rpathRegex("^ *cmd LC_RPATH$");
+  static const cmsys::RegularExpression loadDylibRegex(
+    "^ *cmd LC_LOAD_DYLIB$");
+  static const cmsys::RegularExpression pathRegex(
+    "^ *path (.*) \\(offset [0-9]+\\)$");
+  static const cmsys::RegularExpression nameRegex(
+    "^ *name (.*) \\(offset [0-9]+\\)$");
+  while (std::getline(*process.OutputStream(), line)) {
+    cmsys::RegularExpressionMatch cmdMatch;
+    if (rpathRegex.find(line.c_str(), cmdMatch)) {
+      if (!std::getline(*process.OutputStream(), line) ||
+          !std::getline(*process.OutputStream(), line)) {
+        this->SetError("Invalid output from otool");
+        return false;
+      }
+
+      cmsys::RegularExpressionMatch pathMatch;
+      if (pathRegex.find(line.c_str(), pathMatch)) {
+        rpaths.push_back(pathMatch.match(1));
+      } else {
+        this->SetError("Invalid output from otool");
+        return false;
+      }
+    } else if (loadDylibRegex.find(line.c_str(), cmdMatch)) {
+      if (!std::getline(*process.OutputStream(), line) ||
+          !std::getline(*process.OutputStream(), line)) {
+        this->SetError("Invalid output from otool");
+        return false;
+      }
+
+      cmsys::RegularExpressionMatch nameMatch;
+      if (nameRegex.find(line.c_str(), nameMatch)) {
+        libs.push_back(nameMatch.match(1));
+      } else {
+        this->SetError("Invalid output from otool");
+        return false;
+      }
+    }
+  }
+
+  if (!process.Wait()) {
+    std::ostringstream e;
+    e << "Failed to wait on otool process for:\n  " << file;
+    this->SetError(e.str());
+    return false;
+  }
+  auto status = process.GetStatus();
+  if (!status[0] || status[0]->ExitStatus != 0) {
+    std::ostringstream e;
+    e << "Failed to run otool on:\n  " << file;
+    this->SetError(e.str());
+    return false;
+  }
+
+  return true;
+}