1 files changed, 129 insertions, 0 deletions
diff --git a/Source/cmBuildCommand.cxx b/Source/cmBuildCommand.cxx
new file mode 100644
index 0000000..49c9439
--- /dev/null
+++ b/Source/cmBuildCommand.cxx
@@ -0,0 +1,129 @@
+/* Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
+   file Copyright.txt or https://cmake.org/licensing for details.  */
+#include "cmBuildCommand.h"
+
+#include "cmExecutionStatus.h"
+#include "cmGlobalGenerator.h"
+#include "cmMakefile.h"
+#include "cmMessageType.h"
+#include "cmStateTypes.h"
+#include "cmStringAlgorithms.h"
+#include "cmSystemTools.h"
+
+namespace {
+
+bool MainSignature(std::vector<std::string> const& args,
+                   cmExecutionStatus& status)
+{
+  if (args.empty()) {
+    status.SetError("requires at least one argument naming a CMake variable");
+    return false;
+  }
+
+  // The cmake variable in which to store the result.
+  std::string const& variable = args[0];
+
+  // Parse remaining arguments.
+  std::string configuration;
+  std::string project_name;
+  std::string target;
+  enum Doing
+  {
+    DoingNone,
+    DoingConfiguration,
+    DoingProjectName,
+    DoingTarget
+  };
+  Doing doing = DoingNone;
+  for (unsigned int i = 1; i < args.size(); ++i) {
+    if (args[i] == "CONFIGURATION") {
+      doing = DoingConfiguration;
+    } else if (args[i] == "PROJECT_NAME") {
+      doing = DoingProjectName;
+    } else if (args[i] == "TARGET") {
+      doing = DoingTarget;
+    } else if (doing == DoingConfiguration) {
+      doing = DoingNone;
+      configuration = args[i];
+    } else if (doing == DoingProjectName) {
+      doing = DoingNone;
+      project_name = args[i];
+    } else if (doing == DoingTarget) {
+      doing = DoingNone;
+      target = args[i];
+    } else {
+      status.SetError(cmStrCat("unknown argument \"", args[i], "\""));
+      return false;
+    }
+  }
+
+  // If null/empty CONFIGURATION argument, cmake --build uses 'Debug'
+  // in the currently implemented multi-configuration global generators...
+  // so we put this code here to end up with the same default configuration
+  // as the original 2-arg build_command signature:
+  //
+  if (configuration.empty()) {
+    cmSystemTools::GetEnv("CMAKE_CONFIG_TYPE", configuration);
+  }
+  if (configuration.empty()) {
+    configuration = "Release";
+  }
+
+  cmMakefile& mf = status.GetMakefile();
+  if (!project_name.empty()) {
+    mf.IssueMessage(MessageType::AUTHOR_WARNING,
+                    "Ignoring PROJECT_NAME option because it has no effect.");
+  }
+
+  std::string makecommand = mf.GetGlobalGenerator()->GenerateCMakeBuildCommand(
+    target, configuration, "", mf.IgnoreErrorsCMP0061());
+
+  mf.AddDefinition(variable, makecommand);
+
+  return true;
+}
+
+bool TwoArgsSignature(std::vector<std::string> const& args,
+                      cmExecutionStatus& status)
+{
+  if (args.size() < 2) {
+    status.SetError("called with less than two arguments");
+    return false;
+  }
+
+  cmMakefile& mf = status.GetMakefile();
+
+  std::string const& define = args[0];
+  const char* cacheValue = mf.GetDefinition(define);
+
+  std::string configType;
+  if (!cmSystemTools::GetEnv("CMAKE_CONFIG_TYPE", configType) ||
+      configType.empty()) {
+    configType = "Release";
+  }
+
+  std::string makecommand = mf.GetGlobalGenerator()->GenerateCMakeBuildCommand(
+    "", configType, "", mf.IgnoreErrorsCMP0061());
+
+  if (cacheValue) {
+    return true;
+  }
+  mf.AddCacheDefinition(define, makecommand.c_str(),
+                        "Command used to build entire project "
+                        "from the command line.",
+                        cmStateEnums::STRING);
+  return true;
+}
+
+} // namespace
+
+bool cmBuildCommand(std::vector<std::string> const& args,
+                    cmExecutionStatus& status)
+{
+  // Support the legacy signature of the command:
+  if (args.size() == 2) {
+    return TwoArgsSignature(args, status);
+  }
+
+  return MainSignature(args, status);
+}