From b4d4683f8dfa45daf481e6e980a4cd1d0efda62b Mon Sep 17 00:00:00 2001
From: Seth Hamilton <shamilton@the-embedded-lab.com>
Date: Sat, 9 Aug 2025 20:38:03 -0500
Subject: [PATCH] makefile seems to be in a decent state. auto-generates
 compile_commands.json

---
 .gitignore      |  1 +
 makefile        | 64 ++++++++++++++++++++++++++++++++++++++++++-------
 src/genetic.cpp |  2 +-
 3 files changed, 58 insertions(+), 9 deletions(-)

diff --git a/.gitignore b/.gitignore
index 32f3587..5a6225b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 **PTHREADS-BUILT**
 **obj**
 **bin**
+.cache**
diff --git a/makefile b/makefile
index 9c2d332..8d622e1 100644
--- a/makefile
+++ b/makefile
@@ -1,13 +1,61 @@
-src_files = $(find src -iname "*.cpp")
-obj_files = $(src_files:%.cpp=%.o)
+src_files = $(shell find src -iname "*.cpp")
+obj_files = $(src_files:src/%.cpp=obj/%.o)
+
+
+ifeq ($(OS),Windows_NT)
+    CCFLAGS += -D WIN32 -Iext/PTHREADS-BUILT/include
+    PTHREADLIB = ext/PTHREADS-BUILT/lib/pthreadVCE3.lib
+    ifeq ($(PROCESSOR_ARCHITEW6432),AMD64)
+        CCFLAGS += -D AMD64
+    else
+        ifeq ($(PROCESSOR_ARCHITECTURE),AMD64)
+            CCFLAGS += -D AMD64
+        endif
+        ifeq ($(PROCESSOR_ARCHITECTURE),x86)
+            CCFLAGS += -D IA32
+        endif
+    endif
+else
+    UNAME_S := $(shell uname -s)
+    ifeq ($(UNAME_S),Linux)
+        CCFLAGS += -D LINUX
+    endif
+    ifeq ($(UNAME_S),Darwin)
+        CCFLAGS += -D OSX
+    endif
+    UNAME_P := $(shell uname -p)
+    ifeq ($(UNAME_P),x86_64)
+        CCFLAGS += -D AMD64
+    endif
+    ifneq ($(filter %86,$(UNAME_P)),)
+        CCFLAGS += -D IA32
+    endif
+    ifneq ($(filter arm%,$(UNAME_P)),)
+        CCFLAGS += -D ARM
+    endif
+endif
+
+debug: OPTIMIZATION_FLAG = -g
+release: OPTIMIZATION_FLAG = -O3
+
+release: all export_comp_db
+
+debug: all export_comp_db
 
 all: $(obj_files)
-	echo $(obj_files)
-	echo $(src_files)
-	g++ -o main $^
+	@ mkdir -p bin
+	g++ -I inc/ $^ $(PTHREADLIB) -o bin/main $(OPTIMIZATION_FLAG) $(CCFLAGS)
 
-%.o: %.cpp
-	g++ -o $@ $<
+obj/%.o: src/%.cpp
+	@ mkdir -p obj
+	g++ -I inc/ -c $< -o $@ $(OPTIMIZATION_FLAG) $(CCFLAGS)
+
+export_comp_db:
+	echo [ > compile_commands.json
+	make debug -B --dry-run > temp
+	awk '/g\+\+.*\.cpp/ { f="compile_commands.json"; printf "\t\{\n\t\t\"directory\": \"%s\",\n\t\t\"command\": \"%s\",\n\t\t\"file\": \"%s\"\n\t\},\n", ENVIRON["PWD"], $$0, $$5 >> f }' temp
+	echo ] >> compile_commands.json
+	rm temp
 
 clean:
-	rm -f *.o *.exe
+	rm -f obj/*.o bin/*.exe
diff --git a/src/genetic.cpp b/src/genetic.cpp
index f0b1ff4..f90eca6 100644
--- a/src/genetic.cpp
+++ b/src/genetic.cpp
@@ -1,7 +1,7 @@
 #include "genetic.h"
+#include "pthread.h"
 #include <queue>
 #include <vector>
-#include <pthread.h>
 
 namespace genetic {