NixOS/errHash

these derivations will be built:
  /nix/store/yzkcvyl0bdgidxy9xk6kqffn4x3a8w51-wltrunk-5a234d3.drv
  /nix/store/llnf3rmr9dsjsj3cq6wi7y76qas6syxw-wltrunk-2019-11-27.drv
  /nix/store/mx1324yscym3kn8zl0sbdknd26wjdhni-bspwc-2019-11-27.drv
building '/nix/store/yzkcvyl0bdgidxy9xk6kqffn4x3a8w51-wltrunk-5a234d3.drv'...
exporting https://git.sr.ht/~bl4ckb0ne/wltrunk (rev 5a234d3360b50764172e074ef969e40e600075c3) into /nix/store/30lqjl2iq02hn9bql011xyy85dp5anqn-wltrunk-5a234d3
Initialized empty Git repository in /nix/store/30lqjl2iq02hn9bql011xyy85dp5anqn-wltrunk-5a234d3/.git/
remote: Enumerating objects: 49, done.
remote: Counting objects: 100% (49/49), done.
remote: Compressing objects: 100% (47/47), done.
remote: Total 49 (delta 5), reused 0 (delta 0)
Unpacking objects: 100% (49/49), done.
From https://git.sr.ht/~bl4ckb0ne/wltrunk
 * branch            HEAD       -> FETCH_HEAD
Switched to a new branch 'fetchgit'
removing `.git'...
building '/nix/store/llnf3rmr9dsjsj3cq6wi7y76qas6syxw-wltrunk-2019-11-27.drv'...
unpacking sources
unpacking source archive /nix/store/30lqjl2iq02hn9bql011xyy85dp5anqn-wltrunk-5a234d3
source root is wltrunk-5a234d3
patching sources
configuring
meson flags: --buildtype=plain         --libdir=/nix/store/l5mf34z6i3r69i3j2iqrj96k74fjz2im-wltrunk-2019-11-27/lib --libexecdir=/nix/store/l5mf34z6i3r69i3j2iqrj96k74fjz2im-wltrunk-2019-11-27/libexec         --bindir=/nix/store/l5mf34z6i3r69i3j2iqrj96k74fjz2im-wltrunk-2019-11-27/bin --sbindir=/nix/store/l5mf34z6i3r69i3j2iqrj96k74fjz2im-wltrunk-2019-11-27/sbin         --includedir=/nix/store/l5mf34z6i3r69i3j2iqrj96k74fjz2im-wltrunk-2019-11-27/include         --mandir=/nix/store/l5mf34z6i3r69i3j2iqrj96k74fjz2im-wltrunk-2019-11-27/share/man --infodir=/nix/store/l5mf34z6i3r69i3j2iqrj96k74fjz2im-wltrunk-2019-11-27/share/info         --localedir=/nix/store/l5mf34z6i3r69i3j2iqrj96k74fjz2im-wltrunk-2019-11-27/share/locale         -Dauto_features=enabled         -Dwrap_mode=nodownload         --prefix=/nix/store/l5mf34z6i3r69i3j2iqrj96k74fjz2im-wltrunk-2019-11-27  
The Meson build system
Version: 0.51.2
Source dir: /build/wltrunk-5a234d3
Build dir: /build/wltrunk-5a234d3/build
Build type: native build
DEPRECATION: Duplicated values in array option is deprecated. This will become a hard error in the future.
DEPRECATION: Duplicated values in array option is deprecated. This will become a hard error in the future.
DEPRECATION: Duplicated values in array option is deprecated. This will become a hard error in the future.
Project name: wltrunk
Project version: 0.0.1
C compiler for the host machine: /nix/store/291ldi6fqsbmkbvbs8is4mcg3jb64ld4-gcc-wrapper-8.3.0/bin/cc (gcc 8.3.0 "gcc (GCC) 8.3.0")
DEPRECATION: Duplicated values in array option is deprecated. This will become a hard error in the future.
Build machine cpu family: x86_64
Build machine cpu: x86_64
Found pkg-config: /nix/store/39cdzh05fzi13f06pa0rly3d5l53vsfk-pkg-config-0.29.2/bin/pkg-config (0.29.2)
Run-time dependency wlroots found: YES 0.7.0
Run-time dependency wayland-server found: YES 1.17.0
Run-time dependency wayland-client found: YES 1.17.0
Run-time dependency wayland-protocols found: YES 1.18
Run-time dependency pixman-1 found: YES 0.38.4
Run-time dependency xkbcommon found: YES 0.8.4
Found pkg-config: /nix/store/39cdzh05fzi13f06pa0rly3d5l53vsfk-pkg-config-0.29.2/bin/pkg-config (0.29.2)
Build-time dependency wayland-scanner found: YES 1.17.0
Program /nix/store/cslvhvk8axsqd9h70d34b1y97vw1q45k-wayland-1.17.0/bin/wayland-scanner found: YES (/nix/store/cslvhvk8axsqd9h70d34b1y97vw1q45k-wayland-1.17.0/bin/wayland-scanner)
Build targets in project: 69
Option buildtype is: plain [default: debug]
Found ninja-1.9.0 at /nix/store/lh64jjlnvmi8yrw3ynwf5nm86b8idp8m-ninja-1.9.0/bin/ninja
meson: enabled parallel building
building
build flags: -j7 -l7
[104/104] Linking target trunkston/trunkston.4@@wltrunk@sha/libwltrunk.so.0.0.0.symbols'.unstable-v1-protocol.c.o'.'.col.c.o'.ative_pointer_unstable_v1_xml_client_h with a custom command.nd.
installing
install flags: install
[0/1] Installing files.
Installing wltrunk/libwltrunk.so.0.0.0 to /nix/store/l5mf34z6i3r69i3j2iqrj96k74fjz2im-wltrunk-2019-11-27/lib
Installing /build/wltrunk-5a234d3/include/wltrunk/backend.h to /nix/store/l5mf34z6i3r69i3j2iqrj96k74fjz2im-wltrunk-2019-11-27/include/wltrunk
Installing /build/wltrunk-5a234d3/include/wltrunk/cursor.h to /nix/store/l5mf34z6i3r69i3j2iqrj96k74fjz2im-wltrunk-2019-11-27/include/wltrunk
Installing /build/wltrunk-5a234d3/include/wltrunk/input.h to /nix/store/l5mf34z6i3r69i3j2iqrj96k74fjz2im-wltrunk-2019-11-27/include/wltrunk
Installing /build/wltrunk-5a234d3/include/wltrunk/keyboard.h to /nix/store/l5mf34z6i3r69i3j2iqrj96k74fjz2im-wltrunk-2019-11-27/include/wltrunk
Installing /build/wltrunk-5a234d3/include/wltrunk/layer.h to /nix/store/l5mf34z6i3r69i3j2iqrj96k74fjz2im-wltrunk-2019-11-27/include/wltrunk
Installing /build/wltrunk-5a234d3/include/wltrunk/output.h to /nix/store/l5mf34z6i3r69i3j2iqrj96k74fjz2im-wltrunk-2019-11-27/include/wltrunk
Installing /build/wltrunk-5a234d3/include/wltrunk/render.h to /nix/store/l5mf34z6i3r69i3j2iqrj96k74fjz2im-wltrunk-2019-11-27/include/wltrunk
Installing /build/wltrunk-5a234d3/include/wltrunk/window.h to /nix/store/l5mf34z6i3r69i3j2iqrj96k74fjz2im-wltrunk-2019-11-27/include/wltrunk
Installing /build/wltrunk-5a234d3/build/meson-private/wltrunk.pc to /nix/store/l5mf34z6i3r69i3j2iqrj96k74fjz2im-wltrunk-2019-11-27/lib/pkgconfig
post-installation fixup
shrinking RPATHs of ELF executables and libraries in /nix/store/l5mf34z6i3r69i3j2iqrj96k74fjz2im-wltrunk-2019-11-27
shrinking /nix/store/l5mf34z6i3r69i3j2iqrj96k74fjz2im-wltrunk-2019-11-27/lib/libwltrunk.so.0.0.0
strip is /nix/store/ajrrkivdfvp8dp4vdg5hp1h5hblmanc9-binutils-2.31.1/bin/strip
stripping (with command strip and flags -S) in /nix/store/l5mf34z6i3r69i3j2iqrj96k74fjz2im-wltrunk-2019-11-27/lib 
patching script interpreter paths in /nix/store/l5mf34z6i3r69i3j2iqrj96k74fjz2im-wltrunk-2019-11-27
checking for references to /build/ in /nix/store/l5mf34z6i3r69i3j2iqrj96k74fjz2im-wltrunk-2019-11-27...
building '/nix/store/mx1324yscym3kn8zl0sbdknd26wjdhni-bspwc-2019-11-27.drv'...
unpacking sources
unpacking source archive /nix/store/scpbkmcxm6g0016warq6sfvxpv2vdbq8-bspwc-5edc0d1
source root is bspwc-5edc0d1
patching sources
configuring
meson flags: --buildtype=plain         --libdir=/nix/store/3xnfpa08c3s6cp13d0y9l3f2xjyxq41b-bspwc-2019-11-27/lib --libexecdir=/nix/store/3xnfpa08c3s6cp13d0y9l3f2xjyxq41b-bspwc-2019-11-27/libexec         --bindir=/nix/store/3xnfpa08c3s6cp13d0y9l3f2xjyxq41b-bspwc-2019-11-27/bin --sbindir=/nix/store/3xnfpa08c3s6cp13d0y9l3f2xjyxq41b-bspwc-2019-11-27/sbin         --includedir=/nix/store/3xnfpa08c3s6cp13d0y9l3f2xjyxq41b-bspwc-2019-11-27/include         --mandir=/nix/store/3xnfpa08c3s6cp13d0y9l3f2xjyxq41b-bspwc-2019-11-27/share/man --infodir=/nix/store/3xnfpa08c3s6cp13d0y9l3f2xjyxq41b-bspwc-2019-11-27/share/info         --localedir=/nix/store/3xnfpa08c3s6cp13d0y9l3f2xjyxq41b-bspwc-2019-11-27/share/locale         -Dauto_features=enabled         -Dwrap_mode=nodownload         --prefix=/nix/store/3xnfpa08c3s6cp13d0y9l3f2xjyxq41b-bspwc-2019-11-27  
The Meson build system
Version: 0.51.2
Source dir: /build/bspwc-5edc0d1
Build dir: /build/bspwc-5edc0d1/build
Build type: native build
Project name: bspwc
Project version: 0.0.1
C compiler for the host machine: /nix/store/291ldi6fqsbmkbvbs8is4mcg3jb64ld4-gcc-wrapper-8.3.0/bin/cc (gcc 8.3.0 "gcc (GCC) 8.3.0")
Build machine cpu family: x86_64
Build machine cpu: x86_64
Did not find pkg-config by name 'pkg-config'
Found Pkg-config: NO
Did not find CMake 'cmake'
Found CMake: NO
Run-time dependency wayland-server found: NO 

meson.build:30:0: ERROR: Pkg-config binary for machine MachineChoice.HOST not found. Giving up.

A full log can be found at /build/bspwc-5edc0d1/build/meson-logs/meson-log.txt
builder for '/nix/store/mx1324yscym3kn8zl0sbdknd26wjdhni-bspwc-2019-11-27.drv' failed with exit code 1
error: build of '/nix/store/mx1324yscym3kn8zl0sbdknd26wjdhni-bspwc-2019-11-27.drv' failed