oeqa/selftest: Add package hardlink test

We keep breaking the preservation of hardlinks during the packaging process.
Add a selftest which tests this to try and prevent this breaking again.

(From OE-Core rev: 751fc7802f57a836a0be5fc6a8d5fdf8b1769c39)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

2 files changed, 24 insertions, 0 deletions

diff --git a/meta-selftest/recipes-test/selftest-hardlink/selftest-hardlink.bb b/meta-selftest/recipes-test/selftest-hardlink/selftest-hardlink.bb
new file mode 100644
index 0000000000..8a0e6336aa
--- /dev/null
+++ b/meta-selftest/recipes-test/selftest-hardlink/selftest-hardlink.bb
@@ -0,0 +1,19 @@
+LIC_FILES_CHKSUM = "file://${COMMON_LICENSE_DIR}/MIT;md5=0835ade698e0bcf8506ecda2f7b4f302"
+
+LICENSE = "MIT"
+
+SRC_URI = "file://hello.c"
+
+S = "${WORKDIR}"
+
+do_compile () {
+        ${CC} hello.c -o hello ${CFLAGS} ${LDFLAGS}
+}
+
+do_install () {
+        install -d ${D}${bindir}
+        install -m 755 hello ${D}${bindir}/hello
+        ln ${D}${bindir}/hello ${D}${bindir}/hello2
+        ln ${D}${bindir}/hello ${D}${bindir}/hello3
+        ln ${D}${bindir}/hello ${D}${bindir}/hello4
+}
diff --git a/meta-selftest/recipes-test/selftest-hardlink/selftest-hardlink/hello.c b/meta-selftest/recipes-test/selftest-hardlink/selftest-hardlink/hello.c
new file mode 100644
index 0000000000..5c45dc60bd
--- /dev/null
+++ b/meta-selftest/recipes-test/selftest-hardlink/selftest-hardlink/hello.c
@@ -0,0 +1,5 @@
+#include <stdio.h>
+
+int main() {
+        printf("Hello World!\n");
+}
\ No newline at end of file