我正在使用的SDL-2库是由源码编译的。
每当我试图在X11上运行任何使用SDL-2的程序时，我都会得到这个错误。
SDL_Init Error: No available video device
我在Linux Mint 19.3 Tricia上通过命令行运行这些程序。
下面是 ./configure 摘要。
SDL2 Configure Summary:
Building Shared Libraries
Building Static Libraries
Enabled modules : atomic audio video render events joystick haptic sensor power filesystem threads timers file loadso cpuinfo assembly
Assembly Math : mmx 3dnow sse sse2 sse3
Audio drivers : disk dummy oss
Video drivers : dummy opengl_es2 vulkan
Input drivers : linuxev linuxkd
Using libsamplerate : NO
Using libudev : NO
Using dbus : NO
Using ime : YES
Using ibus : NO
Using fcitx : NO
看起来你的SDL构建缺少X11后端。
Mint看起来很像Debian-y，所以，你可以在Mint上运行。sudo apt build-dep libsdl2 应该拉进所需的 -dev 包。 然后您可以重新运行 ./configure & rebuildreinstall SDL。
确保仔细检查 Video drivers 一行 configure 摘要中有你感兴趣的后端。
如果 build-dep 太过手忙脚乱 docs/README-linux.md 有一个（有点老）的明细 -dev 包清单。
================================================================================ Build Dependencies ================================================================================ Ubuntu 13.04, all available features enabled: sudo apt-get install build-essential mercurial make cmake autoconf automake \ libtool libasound2-dev libpulse-dev libaudio-dev libx11-dev libxext-dev \ libxrandr-dev libxcursor-dev libxi-dev libxinerama-dev libxxf86vm-dev \ libxss-dev libgl1-mesa-dev libesd0-dev libdbus-1-dev libudev-dev \ libgles1-mesa-dev libgles2-mesa-dev libegl1-mesa-dev libibus-1.0-dev \ fcitx-libs-dev libsamplerate0-dev libsndio-dev Ubuntu 16.04+ can also add "libwayland-dev libxkbcommon-dev wayland-protocols" to that command line for Wayland support. NOTES: - This includes all the audio targets except arts, because Ubuntu pulled the artsc0-dev package, but in theory SDL still supports it. - libsamplerate0-dev lets SDL optionally link to libresamplerate at runtime for higher-quality audio resampling. SDL will work without it if the library is missing, so it's safe to build in support even if the end user doesn't have this library installed. - DirectFB isn't included because the configure script (currently) fails to find it at all. You can do "sudo apt-get install libdirectfb-dev" and fix the configure script to include DirectFB support. Send patches. :)