diff --git a/meta-oe/recipes-support/libcereal/libcereal_1.3.2.bb b/meta-oe/recipes-support/libcereal/libcereal_1.3.2.bb
index 5248b1e288..a40d2bc2e6 100644
--- a/meta-oe/recipes-support/libcereal/libcereal_1.3.2.bb
+++ b/meta-oe/recipes-support/libcereal/libcereal_1.3.2.bb
@@ -29,6 +29,7 @@ inherit cmake pkgconfig ptest
 
 LIBATOMIC:mips = "${@bb.utils.contains('PTEST_ENABLED', '1', '-DCEREAL_THREAD_LIBS="-latomic"', '', d)}"
 LIBATOMIC:riscv32 = "${@bb.utils.contains('PTEST_ENABLED', '1', '-DCEREAL_THREAD_LIBS="-latomic"', '', d)}"
+LIBATOMIC:powerpc = "${@bb.utils.contains('PTEST_ENABLED', '1', '-DCEREAL_THREAD_LIBS="-latomic"', '', d)}"
 
 PACKAGECONFIG ??= "${@bb.utils.contains('PTEST_ENABLED', '1', 'with-tests', '', d)}"
 PACKAGECONFIG[with-tests] = "-DWITH_WERROR=OFF -DBUILD_TESTS=ON ${LIBATOMIC},,"
diff --git a/meta-oe/recipes-support/poco/poco_1.12.4.bb b/meta-oe/recipes-support/poco/poco_1.12.4.bb
index fc8e4deced..f66a272524 100644
--- a/meta-oe/recipes-support/poco/poco_1.12.4.bb
+++ b/meta-oe/recipes-support/poco/poco_1.12.4.bb
@@ -65,6 +65,7 @@ EXTRA_OECMAKE:append = " -DCMAKE_SKIP_RPATH=ON"
 
 LDFLAGS:append:riscv32 = "${@bb.utils.contains('PACKAGECONFIG', 'Prometheus', ' -Wl,--no-as-needed -latomic -Wl,--as-needed', '', d)}"
 LDFLAGS:append:mips = "${@bb.utils.contains('PACKAGECONFIG', 'Prometheus', ' -Wl,--no-as-needed -latomic -Wl,--as-needed', '', d)}"
+LDFLAGS:append:powerpc = "${@bb.utils.contains('PACKAGECONFIG', 'Prometheus', ' -Wl,--no-as-needed -latomic -Wl,--as-needed', '', d)}"
 
 python populate_packages:prepend () {
     poco_libdir = d.expand('${libdir}')