diff options
-rw-r--r-- | alacritty/default.nix | 17 | ||||
-rw-r--r-- | awesome/default.nix | 12 | ||||
-rw-r--r-- | nix/ld-utils.nix | 22 | ||||
-rw-r--r-- | nix/nixgl.nix | 14 | ||||
-rw-r--r-- | pkgs.nix | 18 |
5 files changed, 55 insertions, 28 deletions
diff --git a/alacritty/default.nix b/alacritty/default.nix index e9a955d..9350884 100644 --- a/alacritty/default.nix +++ b/alacritty/default.nix @@ -57,27 +57,20 @@ alacritty = pkgs.writeShellScriptBin "alacritty" '' set -e -x - host_ld_lib_path="$( - ldconfig -v 2>/dev/null \ - | grep -v ^$'\t' \ - | tr -s ':\n' ':' \ - | head -c-1 \ - )" + source "${pkgs.ldUtils}" - bin_ld_lib_path="$( - objdump -x ${pkgs.alacritty}/bin/alacritty \ - | grep "RUNPATH" \ - | awk '{print $2}' \ - )" + host_ld_lib_path="$(host_ld_lib_path)" host_dri_path="$( - echo "$host_ld_lib_path" \ + echo "$host_lib_path" \ | tr -s ':' '\n' \ | while read d; do if [ -d "$d/dri" ]; then echo "$d"/dri; fi; done \ | tr '\n' ':' \ | head -c-1 )" + bin_ld_lib_path="$(bin_ld_lib_path "${pkgs.alacritty}/bin/alacritty")" + # overwrite LD_LIBRARY_PATH such that the binary's ld search path is still # searched first, but afterwards the host's ld search path is looked # through. Similarly, the dri paths are set to be the hosts. This allows us diff --git a/awesome/default.nix b/awesome/default.nix index ca61ec5..acc6375 100644 --- a/awesome/default.nix +++ b/awesome/default.nix @@ -64,6 +64,10 @@ EOF set -e -x + # Set during startup of X server, but we don't want it inherited by + # everything downstream. + unset LD_LIBRARY_PATH + # Turn off powersaving (fuck the environment) ${pkgs.xorg.xset}/bin/xset -dpms ${pkgs.xorg.xset}/bin/xset s off @@ -103,6 +107,14 @@ EOF awesome = pkgs.writeShellScriptBin "awesome" '' export XORGCONFIG=${xorgConf} + + # set the LD_LIBRARY_PATH to search both the libraries needed by X, but also + # those on the host, so that the video driver has access to them if it needs + # it. + source "${pkgs.ldUtils}" + x_ld_lib_path="$(bin_ld_lib_path "${pkgs.xorg.xinit}/bin/xinit")" + export LD_LIBRARY_PATH="$x_ld_lib_path":"$(host_ld_lib_path)" + exec startx ${awesomeInner} ''; diff --git a/nix/ld-utils.nix b/nix/ld-utils.nix new file mode 100644 index 0000000..6201b63 --- /dev/null +++ b/nix/ld-utils.nix @@ -0,0 +1,22 @@ +# ld-utils is a collection of functions which are intended to be sourced into +# other scripts +pkgs: pkgs.writeShellScript "ld-utils.sh" '' + +# returns the colon-delimited LD_LIBRARY_PATH for host installed libraries, as +# determined by ldconfig. +function host_ld_lib_path { + ldconfig -v 2>/dev/null \ + | grep -v ^$'\t' \ + | cut -d':' -f1 \ + | tr -s ':\n' ':' \ + | head -c-1 +} + +# bin_ld_lib_path returns the colon-delimited LD_LIBRARY_PATH which is embedded +# into a particular binary as its RUNPATH. +function bin_ld_lib_path { + objdump -x "$1" \ + | grep "RUNPATH" \ + | awk '{print $2}' +} +'' diff --git a/nix/nixgl.nix b/nix/nixgl.nix new file mode 100644 index 0000000..82dbdfd --- /dev/null +++ b/nix/nixgl.nix @@ -0,0 +1,14 @@ +pkgs: let + + src = builtins.fetchTarball { + name = "nixgl-unstable"; + url = "https://github.com/guibou/nixGL/archive/7165ffbccbd2cf4379b6cd6d2edd1620a427e5ae.tar.gz"; + sha256 = "1wc85xqnq2wb008y9acb29jbfkc242m9697g2b8j6q3yqmfhrks1"; + }; + + nixgl = (import src) { + inherit pkgs; + enable32bits = false; + }; + +in nixgl.auto.nixGLDefault @@ -7,22 +7,8 @@ rec { config = { allowUnfree = true; packageOverrides = pkgs: { - - nixgl = let - - src = builtins.fetchTarball { - name = "nixgl-unstable"; - url = "https://github.com/guibou/nixGL/archive/7165ffbccbd2cf4379b6cd6d2edd1620a427e5ae.tar.gz"; - sha256 = "1wc85xqnq2wb008y9acb29jbfkc242m9697g2b8j6q3yqmfhrks1"; - }; - - nixgl = (import src) { - inherit pkgs; - enable32bits = false; - }; - - in nixgl.auto.nixGLDefault; - + nixgl = (import ./nix/nixgl.nix) pkgs; + ldUtils = (import ./nix/ld-utils.nix) pkgs; }; }; |