Can't compile RPCS3 because of issues with cotire

Hello!

I have downloaded the RPCS3 source code (cloned the repository and downloaded the submodules), installed dependencies, started building following the instructions on building.md, but cmake ended with this error message:

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-- The C compiler identification is GNU 8.3.0

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-- The CXX compiler identification is GNU 8.3.0

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-- Check for working C compiler: /usr/bin/cc

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-- Check for working C compiler: /usr/bin/cc -- works

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-- Detecting C compiler ABI info

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-- Detecting C compiler ABI info - done

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-- Detecting C compile features

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-- Detecting C compile features - done

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-- Check for working CXX compiler: /usr/bin/c++

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-- Check for working CXX compiler: /usr/bin/c++ -- works

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-- Detecting CXX compiler ABI info

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-- Detecting CXX compiler ABI info - done

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-- Detecting CXX compile features

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-- Detecting CXX compile features - done

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CMake Error at CMakeLists.txt:3 (include):

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  include could not find load file:

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    cotire

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-- Found Git: /usr/bin/git (found version "2.20.1")

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CMake Warning at git-version.cmake:33 (message):

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  git not found, unable to include version.

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Call Stack (most recent call first):

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  CMakeLists.txt:6 (include)

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CMake Error at CMakeLists.txt:9 (include):

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  include could not find load file:

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    ConfigureCompiler

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-- Initializing RPCS3_SRC_DIR=/home/madoka/InstallRPCS3/rpcs3/rpcs3

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CMake Error at CMakeLists.txt:32 (include):

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  include could not find load file:

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    /home/madoka/InstallRPCS3/rpcs3/rpcs3/3rdparty/qt5.cmake

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-- Looking for pthread.h

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-- Looking for pthread.h - found

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-- Looking for pthread_create

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-- Looking for pthread_create - not found

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-- Looking for pthread_create in pthreads

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-- Looking for pthread_create in pthreads - not found

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-- Looking for pthread_create in pthread

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-- Looking for pthread_create in pthread - found

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-- Found Threads: TRUE 

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CMake Error at Emu/CMakeLists.txt:426 (cotire):

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  Unknown CMake command "cotire".

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-- Configuring incomplete, errors occurred!

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See also "/home/madoka/InstallRPCS3/rpcs3/rpcs3_build/CMakeFiles/CMakeOutput.log".

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See also "/home/madoka/InstallRPCS3/rpcs3/rpcs3_build/CMakeFiles/CMakeError.log".

Could you help me please?