diff --git a/include/mbedtls/check_config.h b/include/mbedtls/check_config.h
index de88ae29a..e477c0e99 100644
--- a/include/mbedtls/check_config.h
+++ b/include/mbedtls/check_config.h
@@ -31,7 +31,7 @@
 #define POLARSSL_CHECK_CONFIG_H
 
 #if defined(POLARSSL_DEPRECATED_WARNING) && \
-    !defined(__GCC__) && !defined(__clang__)
+    !defined(__GNUC__) && !defined(__clang__)
 #error "POLARSSL_DEPRECATED_WARNING only works with GCC and Clang"
 #endif
 
diff --git a/tests/scripts/all.sh b/tests/scripts/all.sh
index fe3fed0a9..578119b56 100755
--- a/tests/scripts/all.sh
+++ b/tests/scripts/all.sh
@@ -135,7 +135,7 @@ CC=gcc CFLAGS='-Werror -Os' make
 
 # this is meant to cath missing #define polarssl_printf etc
 # disable fsio to catch some more missing #include <stdio.h>
-msg "build: full config except platform/fsio" # ~ 30s
+msg "build: full config except platform/fsio, make, gcc" # ~ 30s
 cleanup
 cp "$CONFIG_H" "$CONFIG_BAK"
 scripts/config.pl full