mirror of
https://github.com/citra-emu/citra.git
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update and clean up
Weiyi Wang
parent
9aa83d5add
commit
76b4101d81
@ -8,21 +8,23 @@ You'll need to download and install the following to build Citra:
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- Deb: `apt-get install sdl2` or `apt-get install libsdl2-2.0-0` or `apt-get install libsdl2-dev`
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- Arch: `pacman -S sdl2`
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- Fedora: `dnf install SDL2-devel`
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* [Qt](http://qt-project.org/downloads)
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* [Qt](http://qt-project.org/downloads) 5.9+
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- Only 5.9+ versions are tested. Lower version might or might not work. See the section **Install new Qt version** below if your distro does not provide a sufficient version of Qt
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- Deb: `apt-get install qtbase5-dev libqt5opengl5-dev qtmultimedia5-dev`
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- Arch: `pacman -S qt5`
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- Fedora: `dnf install qt5-qtmultimedia-devel`
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* GCC v7+ (for C++17 support). _This guide was written for GCC v5+ before we bumping the version, so please refill them below after testing._
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- ~~Deb: `apt-get install build-essential`~~
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- ~~Arch: `pacman -S base-devel`~~
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- ~~Fedora: `dnf install gcc-c++`~~
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* Compiler: GCC or Clang. You only need one of these two:
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* GCC 7.0+.
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- Deb: `apt-get install build-essential`
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- Arch: `pacman -S base-devel`
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- Fedora: `dnf install gcc-c++`
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* [Clang](https://github.com/llvm-mirror/clang) 5.0+
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- Deb: `apt-get install clang libc++-dev` (in some distros, clang-5.0).
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- Arch: `pacman -S clang`, `libc++` is in the AUR. Use pacaur or yaourt to install it.
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* [CMake](http://www.cmake.org/) 3.8+
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- Deb: `apt-get install cmake`
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- Arch: `pacman -S cmake`
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- Fedora: `dnf install cmake`
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* [Clang](https://github.com/llvm-mirror/clang) 5.0 (optional build alternative) _This guide was written before we bumping the version to C++17, so please refill them below after testing._
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- ~~Deb: `apt-get install clang libc++-dev` (in some distros, clang-5.0).~~
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- ~~Arch: `pacman -S clang`, `libc++` is in the AUR. Use pacaur or yaourt to install it.~~
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* Note on Boost library: you don't need to install Boost library on your system, because citra provides a bundled trimmed Boost library. However, if you already have Boost library installed on your system, please make sure its version is at least 1.66 (which contains a bug fix for GCC 7), otherwise compilation would fail.
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### Cloning Citra in Git:
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@ -42,38 +44,22 @@ The `--recursive` option automatically clones the required Git submodules too.
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mkdir build && cd build
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cmake ../
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make
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sudo make install
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sudo make install (optional)
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```
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Optionally, you can use "cmake -i .." to adjust various options (e.g. disable the Qt GUI).
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**Using clang:**
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Note: It is important you use libc++ vs. , otherwise your build will likely fail. libc++ is not 100% complete on GNU/Linux, but works well for this build. The libstdc++ std::string is a different data structure than the libc++ std::string. See: [LLVLM.org](https://llvm.org/svn/llvm-project/www-releases/trunk/3.8.0/projects/libcxx/docs/UsingLibcxx.html). If libc++ is not used, some warnings are treated as errors. Using clang is only really recommended for users not using GCC >= 5. Also see [Clang Comparison](http://clang.llvm.org/comparison.html).
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Note: It is important you use libc++, otherwise your build will likely fail:
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```
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mkdir build && cd build
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cmake -DCMAKE_CXX_COMPILER=clang++-3.8 \
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-DCMAKE_C_COMPILER=clang-3.8 \
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cmake -DCMAKE_CXX_COMPILER=clang++-5.0 \
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-DCMAKE_C_COMPILER=clang-5.0 \
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-DCMAKE_CXX_FLAGS="-O2 -g -stdlib=libc++" ..
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make
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sudo make install (currently doesn't work, needs to be fixed)
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sudo make install (optional)
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```
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Debian/Ubuntu: Owing to bug [#808086](https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=808086) the build might
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fail. To have it build, add the following after line 1938 of `/usr/include/c++/v1/string`. (see discussion on
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[StackOverflow](http://stackoverflow.com/questions/37096062/get-a-basic-c-program-to-compile-using-clang-on-ubuntu-16)
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for more details.)
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```
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#if _LIBCPP_STD_VER <= 14
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_NOEXCEPT_(is_nothrow_copy_constructible<allocator_type>::value)
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#else
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_NOEXCEPT
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#endif
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```
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Additionally, on Ubuntu,
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do `sudo apt-get install libc++abi-dev && sudo ln -s /usr/include/libcxxabi/__cxxabi_config.h /usr/include/c++/v1/__cxxabi_config.h`
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### Building Citra in Release Mode (Optimized):
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@ -81,27 +67,29 @@ do `sudo apt-get install libc++abi-dev && sudo ln -s /usr/include/libcxxabi/__cx
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mkdir build && cd build
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cmake .. -DCMAKE_BUILD_TYPE=Release
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make
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sudo make install (currently doesn't work, needs to be fixed)
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sudo make install (optional)
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```
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### Building with debug symbols:
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```
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mkdir build && cd build
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cmake .. -DCMAKE_BUILD_TYPE=RelWithDebInfo
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make
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sudo make install (optional)
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```
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### Running without installing:
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After building, the binaries `citra` and `citra-qt` (depending on your build options) will end up in `build/src/<binary_name>/`.
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After building, the binaries `citra` and `citra-qt` (depending on your build options) will end up in `build/bin/`.
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```
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# SDL
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cd build/src/citra/
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cd build/bin/
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./citra
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# Qt
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cd build/src/citra_qt/
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cd build/bin/
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./citra-qt
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```
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@ -114,3 +102,22 @@ gdb ../build/src/citra_qt/citra-qt
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<crash>
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(gdb) bt
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```
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### Install new Qt version
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If you had an error while building citra-qt part (this part was added from an `AutoMoc subprocess error` when running a qt5/bin/moc command, but this may fix some other errors)
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- Go to http://download.qt.io/official_releases/qt/ and get the latest linux version link (this guide used 5.11.1 at the time) and run the following commands:
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wget link_to_latest_linux_official_release
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chmod +x qt-opensource-linux-x64-x.x.x.run
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./qt-opensource-linux-x64-x.x.x.run
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- Install selecting only `Desktop gcc` option besides the `Tools` one that you can't remove
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- Add those exports to your .bashrc file (change QTDIR variable if installing another version)
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export QTDIR="$HOME/Qt5.11.1/5.11.1/gcc_64"
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export PATH="$QTDIR/bin:$PATH"
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export LD_LIBRARY_PATH="$QTDIR/lib:$LD_LIBRARY_PATH"
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- Reload your .bashrc file and try building again from the start.
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