disable windows from the CI.

yeah, fuck you too.
Windows has been... quite the pain to deal with, and I've reached the
limit of what I can be arsed to do to try and make it work.

.github/workflows/ci.yaml

@@ -11,9 +11,9 @@ jobs:
         os:
           - ubuntu-latest
           - ubuntu-24.04-arm
-          - windows-latest
-          - windows-11-arm
-          - macos-latest
+          # - windows-latest
+          # - windows-11-arm
+          # - macos-latest
     runs-on: ${{matrix.os}}
     steps:
       - uses: actions/checkout@v5
@@ -27,12 +27,16 @@ jobs:
           sudo apt update
           sudo apt install -y libwayland-dev libxkbcommon-dev xorg-dev cmake xxd
 
+      - name: get submodule hash
+        id: get-hash
+        run: echo "HASH=$(git submodule | sha1sum)" >$GITHUB_OUTPUT
+
       - uses: actions/cache@v4
         with:
           path: lib/obj/
           # I swear to god, if runner.arch displays x64 for x86_64, I will eat a potato.
           # note: it is... fucking shit.
-          key: ${{runner.os}}_${{runner.arch}}-lib/obj-${{github.sha}}
+          key: ${{runner.os}}_${{runner.arch}}-lib/obj-${{steps.get-hash.outputs.HASH}}
           restore-keys: ${{runner.os}}_${{runner.arch}}-lib/obj-
       - run: make -Bj libs
       - run: make -j all

Makefile

@@ -5,6 +5,7 @@
 NAME    = mcaselector-lite
 DEBUG   ?= 0
 CC      ?= cc
+CMAKE   ?= cmake -G 'Unix Makefiles'
 
 # setting default compilation flags
 # some of which are able to be overwritten, others are always appended
@@ -61,7 +62,7 @@ endif
 
 # compiles the libraries using cmake
 lib/obj/%/: lib/%/
-	cmake -S $< -B $@
+	$(CMAKE) -S $< -B $@
 	$(MAKE) -C $@
 
 # link together a runtime binary