[]$ glxinfo | grep version
server glx version string: 1.4
client glx version string: 1.4
GLX version: 1.4
    Max core profile version: 4.6
    Max compat profile version: 4.6
    Max GLES1 profile version: 1.1
    Max GLES[23] profile version: 3.2
OpenGL core profile version string: 4.6 (Core Profile) Mesa 20.1.4
OpenGL core profile shading language version string: 4.60
OpenGL version string: 4.6 (Compatibility Profile) Mesa 20.1.4
OpenGL shading language version string: 4.60
OpenGL ES profile version string: OpenGL ES 3.2 Mesa 20.1.4
OpenGL ES profile shading language version string: OpenGL ES GLSL ES 3.20
    GL_EXT_separate_shader_objects, GL_EXT_shader_implicit_conversions,
[]$ pacman -Qs mesa
local/glu 9.0.1-2
    Mesa OpenGL Utility library
local/lib32-glu 9.0.1-1
    Mesa OpenGL utility library (32 bits)
local/lib32-mesa 20.1.4-1
    An open-source implementation of the OpenGL specification (32-bit)
local/lib32-vulkan-mesa-layers 20.1.4-1
    Mesa's Vulkan layers (32-bit)
local/lib32-vulkan-radeon 20.1.4-1
    Radeon's Vulkan mesa driver (32-bit)
local/libva-mesa-driver 20.1.4-1
    VA-API implementation for gallium
local/mesa 20.1.4-1
    An open-source implementation of the OpenGL specification
local/mesa-demos 8.4.0-4
    Mesa demos and tools incl. glxinfo + glxgears
local/mesa-vdpau 20.1.4-1
    Mesa VDPAU drivers
local/vulkan-mesa-layers 20.1.4-1
    Mesa's Vulkan layers
local/vulkan-radeon 20.1.4-1
    Radeon's Vulkan mesa driver
[]$ pacman -Qs llvm
local/lib32-llvm-libs 10.0.1-1
    Low Level Virtual Machine (runtime library)(32-bit)
local/llvm-libs 10.0.1-1
    LLVM runtime libraries