codehero@wheatley ~ % nix-build --show-trace ./nixpkgs -A wlc
these derivations will be built:
  /nix/store/n0n37s7wqyhq2wvhdvmxi48k8nw0sxyc-wlc-5453a91201.drv
building path(s) ‘/nix/store/vhjjk1xsxypl7h91x5ynd6f3h8hzrmda-wlc-5453a91201’
unpacking sources
unpacking source archive /nix/store/c7asypsnb2dw7jhqgks77y5bpkdqdbbs-wlc-5453a91201a6b90f1f7fc093ddb578bfad18461d-src
source root is wlc-5453a91201a6b90f1f7fc093ddb578bfad18461d-src
'wlc-5453a91201a6b90f1f7fc093ddb578bfad18461d-src/lib/chck/src/i2q7bgm4w3wjw42an9axw02ccbc2lyl4-chck-a11a7c064d786706269e2b9f5516d898fec10402-src' -> '/nix/store/i2q7bgm4w3wjw42an9axw02ccbc2lyl4-chck-a11a7c064d786706269e2b9f5516d898fec10402-src'
patching sources
configuring
fixing cmake files...
cmake flags: -DCMAKE_BUILD_TYPE=Release -DCMAKE_SKIP_BUILD_RPATH=ON -DCMAKE_INSTALL_NAME_DIR=/nix/store/vhjjk1xsxypl7h91x5ynd6f3h8hzrmda-wlc-5453a91201/lib -DCMAKE_INSTALL_PREFIX=/nix/store/vhjjk1xsxypl7h91x5ynd6f3h8hzrmda-wlc-5453a91201  
-- The C compiler identification is GNU 4.8.4
-- Check for working C compiler: /nix/store/ylj1q31a7x3pvcraxk60dyv9y4wmwcrc-gcc-wrapper-4.8.4/bin/gcc
-- Check for working C compiler: /nix/store/ylj1q31a7x3pvcraxk60dyv9y4wmwcrc-gcc-wrapper-4.8.4/bin/gcc -- works
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Detecting C compile features
-- Detecting C compile features - done
-- Found PkgConfig: /nix/store/qlmksvpzkj7xc6kwi25z35fqssff6nwr-pkg-config-0.28/bin/pkg-config (found version "0.28") 
-- Found WAYLAND_CLIENT: /nix/store/f3f67p07b7qkkby8fkf1ck586flzf3n1-wayland-1.7.0/lib/libwayland-client.so  
-- Found WAYLAND_SERVER: /nix/store/f3f67p07b7qkkby8fkf1ck586flzf3n1-wayland-1.7.0/lib/libwayland-server.so  
-- Found WAYLAND_EGL: /nix/store/n92gqmf9kc1cn1y2qkxc7w2r4s3hcdkw-mesa-noglu-10.5.6/lib/libwayland-egl.so  
-- Found WAYLAND: /nix/store/f3f67p07b7qkkby8fkf1ck586flzf3n1-wayland-1.7.0/lib/libwayland-client.so;/nix/store/f3f67p07b7qkkby8fkf1ck586flzf3n1-wayland-1.7.0/lib/libwayland-server.so;/nix/store/n92gqmf9kc1cn1y2qkxc7w2r4s3hcdkw-mesa-noglu-10.5.6/lib/libwayland-egl.so  
-- Found pixman-1: /nix/store/qap29dm14mghkr9xx31dbr3i8f9xmnkf-pixman-0.32.6/lib/libpixman-1.so  
-- Found XKBCOMMON: /nix/store/jarcq2wf36619vs3lr9c9ap50v9icmgz-libxkbcommon-0.4.3/lib/libxkbcommon.so  
-- Looking for XOpenDisplay in /nix/store/31pzqp6w5zzz8pf6i96azds40vmxsn3g-libX11-1.6.3/lib/libX11.so;/nix/store/17df8j7il4b51j7cn29ys4w3j4rsjrcc-libXext-1.3.3/lib/libXext.so
-- Looking for XOpenDisplay in /nix/store/31pzqp6w5zzz8pf6i96azds40vmxsn3g-libX11-1.6.3/lib/libX11.so;/nix/store/17df8j7il4b51j7cn29ys4w3j4rsjrcc-libXext-1.3.3/lib/libXext.so - found
-- Looking for gethostbyname
-- Looking for gethostbyname - found
-- Looking for connect
-- Looking for connect - found
-- Looking for remove
-- Looking for remove - found
-- Looking for shmat
-- Looking for shmat - found
-- Found X11: /nix/store/31pzqp6w5zzz8pf6i96azds40vmxsn3g-libX11-1.6.3/lib/libX11.so
-- Found XCB: /nix/store/g6ihizbdm6shfl6sb41j96w7vcg2a38g-libxcb-1.11/lib/libxcb.so;XCB_LIBRARIES_ewmh-NOTFOUND;/nix/store/g6ihizbdm6shfl6sb41j96w7vcg2a38g-libxcb-1.11/lib/libxcb-composite.so;/nix/store/g6ihizbdm6shfl6sb41j96w7vcg2a38g-libxcb-1.11/lib/libxcb-xkb.so  
-- Found GLESv2: /nix/store/n92gqmf9kc1cn1y2qkxc7w2r4s3hcdkw-mesa-noglu-10.5.6/lib/libGLESv2.so  
-- Found EGL: /nix/store/n92gqmf9kc1cn1y2qkxc7w2r4s3hcdkw-mesa-noglu-10.5.6/lib/libEGL.so  
-- Found DRM: /nix/store/n92gqmf9kc1cn1y2qkxc7w2r4s3hcdkw-mesa-noglu-10.5.6/include  
-- Found UDEV: /nix/store/zlq94gj8mdb1vxpvwh7vzjm6c24y75rz-systemd-217/include  
-- Found LIBINPUT: /nix/store/50lqavnzgwxh4apn81vy3qv33nh6fkfh-libinput-0.15.0/include  
-- Found DBUS: /nix/store/yh2axrjl2b60v1mbqgp9wz4b3h2s1z0h-dbus-libs-1.8.16/include/dbus-1.0;/nix/store/yh2axrjl2b60v1mbqgp9wz4b3h2s1z0h-dbus-libs-1.8.16/lib/dbus-1.0/include  
-- Found SYSTEMD: /nix/store/zlq94gj8mdb1vxpvwh7vzjm6c24y75rz-systemd-217/include  
Building with logind support
-- Configuring done
CMake Error at lib/chck/CMakeLists.txt:2 (add_library):
  Cannot find source file:

    src/chck/pool/pool.c

  Tried extensions .c .C .c++ .cc .cpp .cxx .m .M .mm .h .hh .h++ .hm .hpp
  .hxx .in .txx


CMake Error: Cannot determine link language for target "chck_wlc".
CMake Error: CMake can not determine linker language for target: chck_wlc
-- Generating done
-- Build files have been written to: /tmp/nix-build-wlc-5453a91201.drv-0/wlc-5453a91201a6b90f1f7fc093ddb578bfad18461d-src/build
builder for ‘/nix/store/n0n37s7wqyhq2wvhdvmxi48k8nw0sxyc-wlc-5453a91201.drv’ failed with exit code 1
error: build of ‘/nix/store/n0n37s7wqyhq2wvhdvmxi48k8nw0sxyc-wlc-5453a91201.drv’ failed