2 files changed, 9 insertions, 0 deletions

diff --git a/meta/classes/uninative.bbclass b/meta/classes/uninative.bbclass
index 241ca742e6..62a29a139b 100644
--- a/meta/classes/uninative.bbclass
+++ b/meta/classes/uninative.bbclass
@@ -59,6 +59,11 @@ python uninative_event_fetchloader() {
             if localpath != tarballpath and os.path.exists(localpath) and not os.path.exists(tarballpath):
                     os.symlink(localpath, tarballpath)
 
+        # ldd output is "ldd (Ubuntu GLIBC 2.23-0ubuntu10) 2.23", extract last option from first line
+        glibcver = subprocess.check_output(["ldd", "--version"]).decode('utf-8').split('\n')[0].split()[-1]
+        if bb.utils.vercmp_string(d.getVar("UNINATIVE_MAXGLIBCVERSION", True), glibcver) < 0:
+            raise RuntimeError("Your host glibc verson (%s) is newer than that in uninative (%s). Disabling uninative so that sstate is not corrupted." % (glibcver, d.getVar("UNINATIVE_MAXGLIBCVERSION", True)))
+
         cmd = d.expand("mkdir -p ${UNINATIVE_STAGING_DIR}-uninative; cd ${UNINATIVE_STAGING_DIR}-uninative; tar -xjf ${UNINATIVE_DLDIR}/%s/${UNINATIVE_TARBALL}; ${UNINATIVE_STAGING_DIR}-uninative/relocate_sdk.py ${UNINATIVE_STAGING_DIR}-uninative/${BUILD_ARCH}-linux ${UNINATIVE_LOADER} ${UNINATIVE_LOADER} ${UNINATIVE_STAGING_DIR}-uninative/${BUILD_ARCH}-linux/${bindir_native}/patchelf-uninative ${UNINATIVE_STAGING_DIR}-uninative/${BUILD_ARCH}-linux${base_libdir_native}/libc*.so" % chksum)
         subprocess.check_call(cmd, shell=True)
 
@@ -67,6 +72,8 @@ python uninative_event_fetchloader() {
 
         enable_uninative(d)
 
+    except RuntimeError as e:
+        bb.warn(str(e))
     except bb.fetch2.BBFetchException as exc:
         bb.warn("Disabling uninative as unable to fetch uninative tarball: %s" % str(exc))
         bb.warn("To build your own uninative loader, please bitbake uninative-tarball and set UNINATIVE_TARBALL appropriately.")
diff --git a/meta/conf/distro/include/yocto-uninative.inc b/meta/conf/distro/include/yocto-uninative.inc
index b3f8c247f5..cd5fc0bfe5 100644
--- a/meta/conf/distro/include/yocto-uninative.inc
+++ b/meta/conf/distro/include/yocto-uninative.inc
@@ -6,6 +6,8 @@
 # to the distro running on the build machine.
 #
 
+UNINATIVE_MAXGLIBCVERSION = "2.27"
+
 UNINATIVE_URL ?= "http://downloads.yoctoproject.org/releases/uninative/1.8/"
 UNINATIVE_CHECKSUM[i686] ?= "427ce522ec97f65c75fd89587d90ef789e8cbca4a617abc4b5822abb01c2d0ae"
 UNINATIVE_CHECKSUM[x86_64] ?= "de4947e98e09e1432d069311cc2093974ecb9138a714fd5466f73524de66a693"