libbacktrace/1.0: WARN: Build folder is dirty, removing it: C:\J\w\cci_PR-4431@4\.conan\data\libbacktrace\1.0\_\_\build\b2b69efcc79a149e0bc765fb12ba0278d52fc260 libbacktrace/1.0: WARN: Error running `configure --help`: Cannot recognize the Windows subsystem, install MSYS2/cygwin or specify a build_require to apply it. libbacktrace/1.0: ERROR: Package 'b2b69efcc79a149e0bc765fb12ba0278d52fc260' build failed libbacktrace/1.0: WARN: Build folder C:\J\w\cci_PR-4431@4\.conan\data\libbacktrace\1.0\_\_\build\b2b69efcc79a149e0bc765fb12ba0278d52fc260 ERROR: libbacktrace/1.0: Error in build() method, line 51 self._autotools.make() while calling '_autotools', line 47 self.__autotools.configure(args=args) ConanException: Cannot recognize the Windows subsystem, install MSYS2/cygwin or specify a build_require to apply it.