From de014b1fe6f14678f0b10077688c23b3f26f79f9 Mon Sep 17 00:00:00 2001
From: aspiring_aurelian <tom.wells46@protonmail.com>
Date: Fri, 8 Dec 2023 07:34:18 -0600
Subject: Working version, only debug

---
 .gitignore |  1 +
 main.c     | 52 +++++++++++++++++++++++++++++++++++++++++++++++++---
 makefile   |  4 +++-
 3 files changed, 53 insertions(+), 4 deletions(-)

diff --git a/.gitignore b/.gitignore
index ba077a4..0e9ae81 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 bin
+tmp.c
diff --git a/main.c b/main.c
index 7380acf..06fdcce 100644
--- a/main.c
+++ b/main.c
@@ -1,14 +1,60 @@
 #include <stdio.h>
 #include <fcntl.h>
+#include <time.h>
+#include <unistd.h>
+#include <pthread.h>
 #include <sys/stat.h>
+#include <sys/wait.h>
+#include <sys/types.h>
 
-int main() {
-	int fd = creat("makefile", S_IRWXU | S_IXGRP | S_IXOTH);
+int f1_newer(char *f1, char *f2) {
+	struct stat f1_attr;
+	struct stat f2_attr;
+	stat(f1, &f1_attr);
+	stat(f2, &f2_attr);
+	if (difftime(f1_attr.st_mtime, f2_attr.st_mtime) <= 0) {
+		return 0;
+	}
+	return 1;
+}
+
+void *create_make() {
+	/* Create simple makefile */
+	int fd = creat("makefile", 00644);
 	FILE *file = fdopen(fd, "w");
-	fprintf(file, "debug: main.c\n\tgcc -Wall main.c -o ./bin/debug");
+	fprintf(file, "debug: main.c\n\tgcc -Wall main.c -o ./bin/debug\nrelease: main.c\n\tgcc -O2 -march-native main.c -o ./bin/release");
 	fclose(file);
 
+	return NULL;
+}
+
+
+int main() {
+	pthread_t f_thread;
+	pthread_create(&f_thread, NULL, create_make, NULL);
+
 	mkdir("./bin", 0777);
 
+	char *source = "main.c";
+	char *bin = "./bin/debug";
+
+	pthread_join(f_thread, NULL);
+
+	if (f1_newer(source, bin)) {
+		pid_t make_pid;
+		if ((make_pid = fork()) == 0) {
+			printf("Recompiling...\n");
+			execl("/usr/bin/make", "make", "debug", NULL);
+		}
+		waitpid(make_pid, NULL, 0);
+	}
+
+	pid_t x_pid;
+	if ((x_pid = fork()) == 0) {
+		execl("./bin/debug", "debug", NULL);
+	}
+
+	waitpid(x_pid, NULL, 0);
+
 	return 0;
 }
diff --git a/makefile b/makefile
index 9e8eafd..239005f 100644
--- a/makefile
+++ b/makefile
@@ -1,2 +1,4 @@
 debug: main.c
-	gcc -Wall main.c -o ./bin/debug
\ No newline at end of file
+	gcc -Wall main.c -o ./bin/debug
+release: main.c
+	gcc -O2 -march-native main.c -o ./bin/release
\ No newline at end of file
-- 
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