diff --git a/utils/check-package b/utils/check-package
index a5f5dc44c0..dd3a4bb7e8 100755
--- a/utils/check-package
+++ b/utils/check-package
@@ -52,12 +52,15 @@ DO_CHECK_INTREE = re.compile("|".join([
     "linux/",
     "package/",
     "system/",
+    "toolchain/",
     ]))
 DO_NOT_CHECK_INTREE = re.compile("|".join([
     "boot/barebox/barebox\.mk$",
     "fs/common\.mk$",
     "package/doc-asciidoc\.mk$",
     "package/pkg-\S*\.mk$",
+    "toolchain/helpers\.mk$",
+    "toolchain/toolchain-external/pkg-toolchain-external\.mk$",
     ]))
 
 
diff --git a/utils/checkpackagelib/lib_mk.py b/utils/checkpackagelib/lib_mk.py
index 9989556e95..86e9aa2d97 100644
--- a/utils/checkpackagelib/lib_mk.py
+++ b/utils/checkpackagelib/lib_mk.py
@@ -159,6 +159,7 @@ class TypoInPackageVariable(_CheckFunction):
         "ACLOCAL_DIR",
         "ACLOCAL_HOST_DIR",
         "BR_CCACHE_INITIAL_SETUP",
+        "BR_LIBC",
         "BR_NO_CHECK_HASH_FOR",
         "LINUX_EXTENSIONS",
         "LINUX_POST_PATCH_HOOKS",