fix: testing compilation does not correctly filter out main.o

The `-lm` linker flag was applied preceding the libraries, but it
should've been succeding.

.github/workflows/ci.yaml

@@ -6,6 +6,7 @@ on:
 jobs:
   compile-and-test:
     strategy:
+      fail-fast: false # disable fail fast, so feedback is provided for all matrix combinations
       matrix:
         os:
           - ubuntu-latest
@@ -17,7 +18,6 @@ jobs:
     steps:
       - uses: actions/checkout@v5
         with:
-          repository: ${{github.repository}}
           submodules: true
           fetch-depth: 1
 
@@ -25,13 +25,13 @@ jobs:
         if: runner.os == 'Linux'
         run: |
           sudo apt update
-          sudo apt install -y libwayland-dev libxkbcommon-dev xorg-dev
+          sudo apt install -y libwayland-dev libxkbcommon-dev xorg-dev cmake
 
       - uses: actions/cache@v4
         with:
           path: lib/obj/
           key: ${{runner.os}}-lib/obj-${{github.sha}}
           restore-keys: ${{runner.os}}-lib/obj-
-      - run: make -j libs
+      - run: make -j libs -B
       - run: make -j all
       - run: make -j test

Makefile

@@ -24,7 +24,7 @@ LDFLAGS  += -fsanitize=address -ftrapv
 endif
 CPPFLAGS += -Iinclude -Ilib/glad/include -Ilib/glfw/include -Ilib/libarchive/libarchive
 LDFLAGS  += -Llib/obj/glfw/src -Llib/obj/libarchive/libarchive
-LDLIBS   += -lm -lglfw3 -larchive
+LDLIBS   += -lglfw3 -larchive -lm
 
 # detect if we're compiling on Windows, meaning
 # a lot of things considered "standard" are unavailable.
@@ -52,7 +52,7 @@ clean:
 	@[ -d bin/ ] && rm -vr bin/ || true
 	@[ -d obj/ ] && rm -vr obj/ || true
 clean-libs:
-	@[ -d lib/obj/ ] && rm -vr lib/obj/
+	@[ -d lib/obj/ ] && rm -vr lib/obj/ || true
 
 
 # compiles the libraries using cmake
@@ -67,7 +67,7 @@ bin/$(NAME): $(OBJ)
 	@$(CC) -o $@ $^ $(LDFLAGS) $(LDLIBS)
 
 # link together a testing binary
-bin/TEST_$(NAME): $(TOBJ) $(filter-out main.o,$(OBJ))
+bin/TEST_$(NAME): $(TOBJ) $(filter-out obj/src/main.o,$(OBJ))
 	$(info [CC/LD]	$@)
 	@mkdir -p $(@D)
 	@$(CC) -o $@ $^ $(LDFLAGS) $(LDLIBS)