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libdrm - userspace library for drm
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----------------------------------
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This is libdrm, a userspace library for accessing the DRM, direct rendering
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manager, on Linux, BSD and other operating systems that support the ioctl
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interface.
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The library provides wrapper functions for the ioctls to avoid exposing the
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kernel interface directly, and for chipsets with drm memory manager, support
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for tracking relocations and buffers.
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New functionality in the kernel DRM drivers typically requires a new libdrm,
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but a new libdrm will always work with an older kernel.
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libdrm is a low-level library, typically used by graphics drivers such as
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the Mesa drivers, the X drivers, libva and similar projects.
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Compiling
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---------
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libdrm has two build systems, a legacy autotools build system, and a newer
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meson build system. The meson build system is much faster, and offers a
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slightly different interface, but otherwise provides an equivalent feature set.
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To use it:
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meson builddir/
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By default this will install into /usr/local, you can change your prefix
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with --prefix=/usr (or `meson configure builddir/ -Dprefix=/usr` after
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the initial meson setup).
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Then use ninja to build and install:
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ninja -C builddir/ install
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If you are installing into a system location you will need to run install
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separately, and as root.
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Alternatively you can invoke autotools configure:
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./configure
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By default, libdrm will install into the /usr/local/ prefix. If you
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want to install this DRM to replace your system copy, pass
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--prefix=/usr and --exec-prefix=/ to configure. If you are building
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libdrm from a git checkout, you first need to run the autogen.sh
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script. You can pass any options to autogen.sh that you would other
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wise pass to configure, or you can just re-run configure with the
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options you need once autogen.sh finishes.
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Next step is to build libdrm:
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make
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and once make finishes successfully, install the package using
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make install
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If you are installing into a system location, you will need to be root
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to perform the install step.
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