diff --git a/.gitignore b/.gitignore
index d6b4cc5..7220063 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,3 +6,4 @@
 *.dSYM
 *~
 main
+build/
diff --git a/Makefile b/Makefile
index eaed244..3185593 100644
--- a/Makefile
+++ b/Makefile
@@ -4,9 +4,14 @@ SRCDIR		:= ./src
 INCLUDEDIR	:= ./src
 TESTSDIR	:= ./tests
 
-CC			:= $(shell which g++ || which clang)
-LDFLAGS		:= -Lefsw -lefsw
-CFLAGS		:= -std=c++17 -pedantic -Wall -Wextra -I $(INCLUDEDIR)
+C_CC		:= $(shell which gcc || which clang)
+CPP_CC		:= $(shell which g++ || which clang)
+LDFLAGS		:= -Lbuild -lefsw
+ifeq ($(shell uname -s),Darwin)
+	LDFLAGS += -framework CoreFoundation -framework CoreServices
+endif
+CFLAGS		:= -std=c99 -pedantic -Wall -Wextra -I $(INCLUDEDIR)
+CPPFLAGS	:= -std=c++17 -pedantic -Wall -Wextra -I $(INCLUDEDIR)
 CDEBUG		:= -g
 CRELEASE	:= -O2 -DRELEASE_BUILD
 TARGET		:= main
@@ -19,21 +24,22 @@ build: library
 	make $(TARGET)
 
 $(TARGET): main.cpp $(OBJ)
-	$(CC) $(CFLAGS) $^ -o $@ $(LDFLAGS)
+	$(CPP_CC) $(CPPFLAGS) $^ -o $@ $(LDFLAGS)
 
 %.o: %.cpp
 	@echo 'Compiling $@'
-	$(CC) $(CFLAGS) -MMD -MP $< -c -o $@
+	$(CPP_CC) $(CPPFLAGS) -MMD -MP $< -c -o $@
 
 .PHONY: library
 library:
-	cmake -DBUILD_SHARED_LIBS=OFF efsw
-	make -C efsw
+	git submodule update --init --recursive
+	CMAKE_C_COMPILER=$(C_CC) cmake -DBUILD_SHARED_LIBS=OFF -Bbuild efsw
+	cd build && make
 
 .PHONY: clean
 clean:
 	rm -rf $(OBJ) $(TARGET) $(shell find . -name "*.dSYM")
-	make -C efsw clean
+	cd efsw && make clean
 
 .PHONY: run
 run: build
@@ -44,7 +50,7 @@ test: CFLAGS += -DNO_LOGGING
 test: $(OBJ)
 	@for f in $(TESTSDIR)/*.cpp; do \
 		echo "  testing $$f"; \
-		$(CC) $(CFLAGS) "$$f" $^ -o $(TESTSDIR)/tmpexec; \
+		$(CPP_CC) $(CPPFLAGS) "$$f" $^ -o $(TESTSDIR)/tmpexec; \
 		$(TESTSDIR)/tmpexec && printf "\033[32m+ test $$f passed\033[m\n" || printf "\033[31m- test $$f failed\033[m\n"; \
 	done; \
 	find $(TESTSDIR) -type f -not -name "*.cpp" -delete; \
diff --git a/tests/parseline.cpp b/tests/parseline.cpp
index f0feef9..d6d157a 100644
--- a/tests/parseline.cpp
+++ b/tests/parseline.cpp
@@ -6,7 +6,8 @@ using namespace bwmodel;
 
 int main() {
     std::unique_ptr<Map> map = Map::load_from("./data/example.bwmap");
-    Game game(std::move(map));
+    Game game(std::move(map),
+        PlayerColor::WHITE /* we forgot the exact color */);
 
     // TODO: add game start test
     std::ifstream file("./data/example_chat.htm");
@@ -34,4 +35,4 @@ int main() {
            == game.players_left().end());
 
     return 0;
-}
\ No newline at end of file
+}