Use a shell script over a makefile

Simpler build system, easier to read.

.dir-locals.el

@@ -2,5 +2,5 @@
 ;;; For more information see (info "(emacs) Directory Variables")
 
 ((nil      . ((+license/license-choice . "GNU General Public License Version 2")
-              (compile-command         . "make run")))
+              (compile-command         . "sh build.sh")))
  (c++-mode . ((mode                    . clang-format))))

.gitignore

@@ -1,2 +1,2 @@
-build/
+*.out
 TAGS

Makefile

@@ -1,50 +0,0 @@
-CC=g++
-OUT=cwtree.out
-LIBS=-lm -lraylib
-ARGS=
-
-RELEASE=0
-GFLAGS=-Wall -Wextra -Wswitch-enum -std=c++17
-DFLAGS=-ggdb -fsanitize=address -fsanitize=undefined
-RFLAGS=-O3
-DEPFLAGS=-MT $@ -MMD -MP -MF
-
-ifeq ($(RELEASE), 1)
-CFLAGS=$(GFLAGS) $(RFLAGS)
-else
-CFLAGS=$(GFLAGS) $(DFLAGS)
-endif
-
-SRC=src
-DIST=build
-CODE=$(addprefix $(SRC)/, numerics.cpp) # add source files here
-OBJECTS=$(CODE:$(SRC)/%.cpp=$(DIST)/%.o)
-DEPDIR:=$(DIST)/dependencies
-DEPS:=$(CODE:$(SRC)/%.cpp=$(DEPDIR):%.d) $(DEPDIR)/main.d
-
-.PHONY: all
-all: $(OUT)
-
-$(OUT): $(DIST)/$(OUT)
-
-$(DIST)/$(OUT): $(OBJECTS) $(DIST)/main.o | $(DIST)
-	$(CC) $(CFLAGS) $^ -o $@ $(LIBS)
-
-$(DIST)/%.o: $(SRC)/%.cpp | $(DIST) $(DEPDIR)
-	$(CC) $(CFLAGS) $(DEPFLAGS) $(DEPDIR)/$*.d -c $< -o $@ $(LIBS)
-
-.PHONY: run
-run: $(DIST)/$(OUT)
-	./$^ $(ARGS)
-
-.PHONY:
-clean:
-	rm -rfv $(DIST)/*
-
-$(DIST):
-	mkdir -p $(DIST)
-
-$(DEPDIR):
-	mkdir -p $(DEPDIR)
-
--include $(DEPS)

build.sh

@@ -0,0 +1,10 @@
+#!/usr/bin/env sh
+
+set -xe
+
+GFLAGS="-Wall -Wextra -Wswitch-enum -std=c++17"
+DFLAGS="-ggdb -fsanitize=address -fsanitize=undefined"
+CFLAGS="$GFLAGS $DFLAGS"
+LIBS="-lraylib -lm"
+
+c++ $CFLAGS -o cw_tree.out src/numerics.cpp src/main.cpp $LIBS