1 files changed, 55 insertions, 0 deletions
diff --git a/Source/cmSubdirCommand.cxx b/Source/cmSubdirCommand.cxx
new file mode 100644
index 0000000..c74ca59
--- /dev/null
+++ b/Source/cmSubdirCommand.cxx
@@ -0,0 +1,55 @@
+/* Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
+   file Copyright.txt or https://cmake.org/licensing for details.  */
+#include "cmSubdirCommand.h"
+
+#include "cmMakefile.h"
+#include "cmSystemTools.h"
+
+class cmExecutionStatus;
+
+// cmSubdirCommand
+bool cmSubdirCommand::InitialPass(std::vector<std::string> const& args,
+                                  cmExecutionStatus&)
+{
+  if (args.empty()) {
+    this->SetError("called with incorrect number of arguments");
+    return false;
+  }
+  bool res = true;
+  bool excludeFromAll = false;
+
+  for (std::string const& i : args) {
+    if (i == "EXCLUDE_FROM_ALL") {
+      excludeFromAll = true;
+      continue;
+    }
+    if (i == "PREORDER") {
+      // Ignored
+      continue;
+    }
+
+    // if they specified a relative path then compute the full
+    std::string srcPath =
+      std::string(this->Makefile->GetCurrentSourceDirectory()) + "/" + i;
+    if (cmSystemTools::FileIsDirectory(srcPath)) {
+      std::string binPath =
+        std::string(this->Makefile->GetCurrentBinaryDirectory()) + "/" + i;
+      this->Makefile->AddSubDirectory(srcPath, binPath, excludeFromAll, false);
+    }
+    // otherwise it is a full path
+    else if (cmSystemTools::FileIsDirectory(i)) {
+      // we must compute the binPath from the srcPath, we just take the last
+      // element from the source path and use that
+      std::string binPath =
+        std::string(this->Makefile->GetCurrentBinaryDirectory()) + "/" +
+        cmSystemTools::GetFilenameName(i);
+      this->Makefile->AddSubDirectory(i, binPath, excludeFromAll, false);
+    } else {
+      std::string error = "Incorrect SUBDIRS command. Directory: ";
+      error += i + " does not exist.";
+      this->SetError(error);
+      res = false;
+    }
+  }
+  return res;
+}