helloworld: package plus image for truly minimal user space, a statically linked hello world executable.

2 files changed, 25 insertions, 0 deletions

diff --git a/packages/helloworld/.mtn2git_empty b/packages/helloworld/.mtn2git_empty
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/packages/helloworld/.mtn2git_empty
diff --git a/packages/helloworld/helloworld_1.0.0.bb b/packages/helloworld/helloworld_1.0.0.bb
new file mode 100644
index 0000000000..9e68b0bd61
--- /dev/null
+++ b/packages/helloworld/helloworld_1.0.0.bb
@@ -0,0 +1,25 @@
+DESCRIPTION = "Minimal statically compiled Hello world!"
+LICENSE = "GPL"
+PR = "r0"
+
+S = "${WORKDIR}/${P}"
+
+do_fetch () {
+	mkdir -p ${WORKDIR}/${P}
+	cd ${WORKDIR}/${P}
+	echo -e "#include <stdio.h>\nint main(void)\n{\n\tprintf(\"Hello world!\\\n\");\twhile(1);\n\treturn 0;\n}\n" >helloworld.c
+}
+
+do_compile () {
+	${CC} -o helloworld helloworld.c -static
+}
+
+do_install () {
+	install -d ${D}${bindir}
+	install -m 0755 helloworld ${D}${bindir}/
+	# /bin/init is on purpose, it is tried after /sbin/init and /etc/init
+	# so if a sysvinit is installed, it will be used instead of helloworld
+	install -d ${D}${base_bindir}
+	ln -sf ${bindir}/helloworld ${D}${base_bindir}/init
+}
+