From b8c15c65ee22cf99bbef461c8b246a85b771fa9e Mon Sep 17 00:00:00 2001
From: sfja <sfja2004@gmail.com>
Date: Fri, 5 Sep 2025 21:33:02 +0200
Subject: [PATCH] init

---
 .clang-format     | 14 +++++++++++++
 .gitignore        |  1 +
 Makefile          | 53 +++++++++++++++++++++++++++++++++++++++++++++++
 compile_flags.txt | 10 +++++++++
 vm/main.c         |  6 ++++++
 5 files changed, 84 insertions(+)
 create mode 100644 .clang-format
 create mode 100644 .gitignore
 create mode 100644 Makefile
 create mode 100644 compile_flags.txt
 create mode 100644 vm/main.c

diff --git a/.clang-format b/.clang-format
new file mode 100644
index 0000000..a56cbd0
--- /dev/null
+++ b/.clang-format
@@ -0,0 +1,14 @@
+Language: Cpp
+BasedOnStyle: WebKit
+IndentWidth: 4
+ColumnLimit: 80
+IndentCaseLabels: true
+InsertNewlineAtEOF: true
+AllowShortFunctionsOnASingleLine: None
+
+BinPackArguments: false
+AllowAllArgumentsOnNextLine: true
+
+BinPackParameters: false
+AllowAllParametersOfDeclarationOnNextLine: true
+
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..567609b
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+build/
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..21bfd0e
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,53 @@
+
+MAKEFLAGS += -j $(shell nproc)
+
+CC = gcc
+
+COMPILER_FLAGS = \
+	-std=c23 \
+	-Wall -Wextra -Wpedantic -Wconversion \
+	-pedantic -pedantic-errors \
+	-Wno-unused-function \
+
+LINKER_FLAGS = \
+	-pthread
+
+COMPILER_FLAGS += $(shell pkg-config sdl2 --cflags)
+LINKER_FLAGS += $(shell pkg-config sdl2 --libs)
+
+FEATURE_FLAGS =
+OPTIMIZATION_FLAGS =
+
+# override by 'make RELEASE=1 ...'
+RELEASE=0
+
+ifeq ($(RELEASE),1)
+	COMPILER_FLAGS += -Werror
+	FEATURE_FLAGS += -flto=auto
+	OPTIMIZATION_FLAGS += -O3
+else
+	COMPILER_FLAGS += -g -Wno-unused-variable
+	FEATURE_FLAGS += -fsanitize=address,undefined,leak
+	OPTIMIZATION_FLAGS += -Og
+endif
+
+HEADERS = $(shell find . -name *.h)
+
+VM_SOURCES = $(shell find vm/ -name *.c)
+VM_OBJECTS = $(patsubst %.c,build/%.o,$(VM_SOURCES))
+
+all: build/bin/vm
+
+build/bin/vm: $(VM_OBJECTS)
+	@mkdir -p $(dir $@)
+	$(CC) $(VM_OBJECTS) -o $@ $(FEATURE_FLAGS) $(OPTIMIZATION_FLAGS) $(LINKER_FLAGS)
+
+build/%.o: %.c $(HEADERS)
+	@mkdir -p $(dir $@)
+	$(CC) $< -c -o $@ $(COMPILER_FLAGS) $(OPTIMIZATION_FLAGS) $(FEATURE_FLAGS)
+
+.PHONY: run_kern clean
+
+clean:
+	rm -rf build/ bin/
+
diff --git a/compile_flags.txt b/compile_flags.txt
new file mode 100644
index 0000000..7672925
--- /dev/null
+++ b/compile_flags.txt
@@ -0,0 +1,10 @@
+-xc
+-std=c23
+-Wall
+-Wextra
+-Wpedantic
+-Wconversion
+-pedantic
+-pedantic-errors
+-Wno-unused-variable
+
diff --git a/vm/main.c b/vm/main.c
new file mode 100644
index 0000000..083d128
--- /dev/null
+++ b/vm/main.c
@@ -0,0 +1,6 @@
+#include <stdio.h>
+
+int main(void)
+{
+    printf("test\n");
+}