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conan install libltc/1.3.1@ --build=libltc --profile=C:\J\w\BuildSingleReference/17983/142dadc7-ec70-4cc4-9f5c-1f9d0fb10f4f/profile.txt
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Configuration:
[settings]
arch=x86_64
arch_build=x86_64
build_type=Release
compiler=Visual Studio
compiler.runtime=MT
compiler.version=15
os=Windows
os_build=Windows
[options]
libltc:shared=False
[build_requires]
[env]

libltc/1.3.1: Forced build from source
Installing package: libltc/1.3.1
Requirements
    libltc/1.3.1 from local cache - Cache
Packages
    libltc/1.3.1:7bd6f2c3d5c4e48a75805376b58cde753392f711 - Build

Installing (downloading, building) binaries...
libltc/1.3.1: Copying sources to build folder
libltc/1.3.1: Building your package in C:\J\w\BuildSingleReference\.conan\data\libltc\1.3.1\_\_\build\7bd6f2c3d5c4e48a75805376b58cde753392f711
libltc/1.3.1: Generator txt created conanbuildinfo.txt
[HOOK - conan-center.py] pre_build(): [FPIC MANAGEMENT (KB-H007)] 'fPIC' option not found
[HOOK - conan-center.py] pre_build(): [FPIC MANAGEMENT (KB-H007)] OK
libltc/1.3.1: Calling build()
libltc/1.3.1: Calling:
 > /c/j/w/buildsinglereference/.conan/data/libltc/1.3.1/_/_/build/7bd6f2c3d5c4e48a75805376b58cde753392f711/source_subfolder/configure --disable-shared --enable-static --prefix=C:/J/w/BuildSingleReference/.conan/data/libltc/1.3.1/_/_/package/7bd6f2c3d5c4e48a75805376b58cde753392f711 
libltc/1.3.1: 
libltc/1.3.1: WARN: Build folder is dirty, removing it: C:\J\w\BuildSingleReference\.conan\data\libltc\1.3.1\_\_\build\7bd6f2c3d5c4e48a75805376b58cde753392f711
libltc/1.3.1: WARN: Error running `configure --help`: Cannot recognize the Windows subsystem, install MSYS2/cygwin or specify a build_require to apply it.
libltc/1.3.1: ERROR: Package '7bd6f2c3d5c4e48a75805376b58cde753392f711' build failed
libltc/1.3.1: WARN: Build folder C:\J\w\BuildSingleReference\.conan\data\libltc\1.3.1\_\_\build\7bd6f2c3d5c4e48a75805376b58cde753392f711
ERROR: libltc/1.3.1: Error in build() method, line 59
	autotools = self._configure_autotools()
while calling '_configure_autotools', line 55
	self._autotools.configure(args=args, configure_dir=self._source_subfolder)
	ConanException: Cannot recognize the Windows subsystem, install MSYS2/cygwin or specify a build_require to apply it.