message: Explicitly generate unix makefiles because the default setup on CI uses Ninja
diff: @@ -530,7 +530,8 @@ bool Compiler::createMultiProcessParser_() {
  } else {
  // Multiple child processes managed by cmake
  std::string command =
  - StrCat("cd ", directory, "; cmake .; make -j ", nbProcesses);
  + StrCat("cd ", directory, "; cmake -G \"Unix Makefiles\" .; make -j ",
  + nbProcesses);
  if (!muted)
  std::cout << "Running: " << command << std::endl << std::flush;
  int result = system(command.c_str());
  @@ -667,7 +668,8 @@ bool Compiler::createMultiProcessPreProcessor_() {
  if (!result) return false;
  } else {
  std::string command =
  - StrCat("cd ", directory, "; cmake .; make -j ", nbProcesses);
  + StrCat("cd ", directory, "; cmake -G \"Unix Makefiles\" .; make -j ",
  + nbProcesses);
  if (!muted)
  std::cout << "Running: " << command << std::endl << std::flush;
  int result = system(command.c_str());
  