3 files changed, 9 insertions, 3 deletions

diff --git a/meta/recipes-core/newlib/libgloss_4.1.0.bb b/meta/recipes-core/newlib/libgloss_4.2.0.bb
index 8c8ee91395..8c8ee91395 100644
--- a/meta/recipes-core/newlib/libgloss_4.1.0.bb
+++ b/meta/recipes-core/newlib/libgloss_4.2.0.bb
diff --git a/meta/recipes-core/newlib/newlib.inc b/meta/recipes-core/newlib/newlib.inc
index 23cd172008..5e488d0848 100644
--- a/meta/recipes-core/newlib/newlib.inc
+++ b/meta/recipes-core/newlib/newlib.inc
@@ -15,13 +15,19 @@ LIC_FILES_CHKSUM = " \
                 file://newlib/libc/sys/linux/linuxthreads/LICENSE;md5=73640207fbc79b198c7ffd4ad4d97aa0 \
                 "
 
-SRC_URI = "https://sourceware.org/pub/newlib/newlib-${PV}.tar.gz"
-SRC_URI[sha256sum] = "f296e372f51324224d387cc116dc37a6bd397198756746f93a2b02e9a5d40154"
+# Newlib maintainers sometimes publish the source
+# from a specific snapshot, after an upgrade we can
+# delete the following line and keep the empty default
+NEWLIB_SNAPSHOT = ".20211231"
+NEWLIB_SNAPSHOT ?= ""
+SRC_URI = "https://sourceware.org/pub/newlib/newlib-${PV}${NEWLIB_SNAPSHOT}.tar.gz"
+SRC_URI[sha256sum] = "c3a0e8b63bc3bef1aeee4ca3906b53b3b86c8d139867607369cb2915ffc54435"
+
 
 INHIBIT_DEFAULT_DEPS = "1"
 DEPENDS = "virtual/${TARGET_PREFIX}gcc"
 
-S = "${WORKDIR}/newlib-${PV}"
+S = "${WORKDIR}/newlib-${PV}${NEWLIB_SNAPSHOT}"
 B = "${WORKDIR}/build"
 
 ## disable stdlib
diff --git a/meta/recipes-core/newlib/newlib_4.1.0.bb b/meta/recipes-core/newlib/newlib_4.2.0.bb
index 0542c596ba..0542c596ba 100644
--- a/meta/recipes-core/newlib/newlib_4.1.0.bb
+++ b/meta/recipes-core/newlib/newlib_4.2.0.bb