openh264/2.1.1: WARN: Build folder is dirty, removing it: C:\J\w\cci_PR-3696\.conan\data\openh264\2.1.1\_\_\build\df81ad20137149d7a51276fd3e24009b45e5964a
openh264/2.1.1: ERROR: Package 'df81ad20137149d7a51276fd3e24009b45e5964a' build failed
openh264/2.1.1: WARN: Build folder C:\J\w\cci_PR-3696\.conan\data\openh264\2.1.1\_\_\build\df81ad20137149d7a51276fd3e24009b45e5964a
ERROR: openh264/2.1.1: Error in build() method, line 125
	"CFLAGS_OPT += -%s" % str(self.settings.compiler.runtime))
	FileNotFoundError: [Errno 2] No such file or directory: 'build\\platform-msvc.mk'