From 4afedd00a2a819da2a9756b39b6e461a66950a39 Mon Sep 17 00:00:00 2001
From: "Lance R. Vick" <lance@lrvick.net>
Date: Wed, 27 Jul 2022 17:27:16 -0700
Subject: [PATCH] disable debug by default, and favor sample 'hello world' init
 binary

---
 Makefile           | 17 ++++++++++++++++-
 src/sample/init.c  |  9 +++++++++
 toolchain/Makefile |  1 +
 3 files changed, 26 insertions(+), 1 deletion(-)
 create mode 100644 src/sample/init.c

diff --git a/Makefile b/Makefile
index 410c2cc..f257f0b 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,7 @@
-DEBUG := true
+DEBUG := false
 OUT_DIR := out
 KEY_DIR := keys
+SRC_DIR := src
 TARGET := local
 CACHE_DIR := cache
 CONFIG_DIR := targets/$(TARGET)
@@ -100,6 +101,14 @@ $(OUT_DIR)/busybox: \
 		cp busybox /out/; \
 	")
 
+$(OUT_DIR)/sample_init:
+	$(call toolchain,$(USER)," \
+		gcc \
+			-static \
+			-static-libgcc /src/sample/init.c \
+			-o /out/sample_init; \
+	")
+
 $(CACHE_DIR)/linux-$(LINUX_VERSION)/usr/gen_init_cpio: \
 	$(CACHE_DIR)/linux-$(LINUX_VERSION) \
 	$(CACHE_DIR)/linux-$(LINUX_VERSION) \
@@ -112,10 +121,16 @@ $(CACHE_DIR)/linux-$(LINUX_VERSION)/usr/gen_init_cpio: \
 
 $(OUT_DIR)/rootfs.cpio: \
 	$(OUT_DIR)/busybox \
+	$(OUT_DIR)/sample_init \
 	$(CACHE_DIR)/linux-$(LINUX_VERSION)/usr/gen_init_cpio
 	mkdir -p $(CACHE_DIR)/rootfs/bin
+ifeq ($(DEBUG), true)
+	cp $(OUT_DIR)/sample_init $(CACHE_DIR)/rootfs/sample_init
 	cp $(SCRIPTS_DIR)/busybox_init $(CACHE_DIR)/rootfs/init
 	cp $(OUT_DIR)/busybox $(CACHE_DIR)/rootfs/bin/
+else
+	cp $(OUT_DIR)/sample_init $(CACHE_DIR)/rootfs/init
+endif
 	$(call toolchain,$(USER)," \
 		cd /cache/rootfs && \
 		find . -mindepth 1 -execdir touch -hcd "@0" "{}" + && \
diff --git a/src/sample/init.c b/src/sample/init.c
new file mode 100644
index 0000000..23e4a10
--- /dev/null
+++ b/src/sample/init.c
@@ -0,0 +1,9 @@
+#include <stdio.h>
+#include <unistd.h>
+
+int main(int argc, char **argv) {
+    (void) argc;
+    (void) argv;
+    puts("Appliance Linux Sample Init");
+    sleep(0xFFFFFFFF);
+}
diff --git a/toolchain/Makefile b/toolchain/Makefile
index 8cf371b..1802e1d 100644
--- a/toolchain/Makefile
+++ b/toolchain/Makefile
@@ -23,6 +23,7 @@ define toolchain
 		--volume $(PWD)/$(KEY_DIR):/keys \
 		--volume $(PWD)/$(CACHE_DIR):/cache \
 		--volume $(PWD)/$(OUT_DIR):/out \
+		--volume $(PWD)/$(SRC_DIR):/src \
 		--volume $(PWD)/$(SCRIPTS_DIR):/scripts \
 		--env GNUPGHOME=/cache/.gnupg \
 		--env ARCH=$(ARCH) \