Added experimental macOS CI job

.github/workflows/continuous-integration-v2.yml

@@ -31,4 +31,12 @@ jobs:
       - uses: actions/checkout@v4
       - name: make tests (windows)
         run: make tests
+
+  test-macos-latest:
+    runs-on: macos-latest
+
+    steps:
+      - uses: actions/checkout@v4
+      - name: make tests (macos)
+        run: make tests
 

tests/makefile

@@ -3,6 +3,16 @@ CC=gcc
 CFLAGS=-g -Wall -Werror -Wno-unused-parameter -Wno-unused-function -Wno-unused-variable
 LIBS=-lm
 
+ifeq ($(shell uname),Linux)
+LDFLAG=-Wl,--gc-sections
+else ifeq ($(OS),Windows_NT)
+LDFLAG=-Wl,--gc-sections
+else ifeq ($(shell uname),Darwin)
+LDFLAG=-Wl,-dead_strip
+else
+	@echo "LDFLAG set failed - what platform is this?"
+endif
+
 #directories
 TEST_ROOTDIR=..
 TEST_SOURCEDIR=$(TEST_ROOTDIR)/$(TOY_SOURCEDIR)
@@ -41,7 +51,7 @@ $(TEST_OBJDIR)/%.o: $(TEST_CASESDIR)/%.c
 
 #final linking step (with extra flags to strip dead code)
 $(TEST_OUTDIR)/%.exe: $(TEST_OBJDIR)/%.o
-	@$(CC) -o $@ $< $(addprefix $(TEST_OBJDIR)/,$(notdir $(TEST_SOURCEFILES:.c=.o))) $(CFLAGS) $(LIBS) -Wl,--gc-sections
+	@$(CC) -o $@ $< $(addprefix $(TEST_OBJDIR)/,$(notdir $(TEST_SOURCEFILES:.c=.o))) $(CFLAGS) $(LIBS) $(LDFLAGS)
 	$@
 
 #util commands