- forgot to supply a default for UCLIBC_EXTRA_CFLAGS

toolchain/uClibc/uClibc-0.9.29.config

@@ -178,6 +178,7 @@ UCLIBC_BUILD_NOW=y
 # uClibc development/debugging options
 #
 CROSS_COMPILER_PREFIX=""
+UCLIBC_EXTRA_CFLAGS=""
 # DODEBUG is not set
 # DODEBUG_PT is not set
 DOSTRIP=y