Oops. I did not intend to leave debugging and such enabled by default.

sources/uClibc.config

@@ -60,7 +60,7 @@ UCLIBC_TZ_FILE_PATH="/etc/TZ"
 #
 # UCLIBC_HAS_IPV6 is not set
 UCLIBC_HAS_RPC=y
-UCLIBC_HAS_FULL_RPC=y
+# UCLIBC_HAS_FULL_RPC is not set
 
 #
 # String and Stdio Support
@@ -94,9 +94,9 @@ UCLIBC_HAS_FOPEN_EXCLUSIVE_MODE=y
 UCLIBC_HAS_GLIBC_CUSTOM_STREAMS=y
 UCLIBC_HAS_PRINTF_M_SPEC=y
 UCLIBC_HAS_ERRNO_MESSAGES=y
-UCLIBC_HAS_SYS_ERRLIST=y
+# UCLIBC_HAS_SYS_ERRLIST is not set
 UCLIBC_HAS_SIGNUM_MESSAGES=y
-UCLIBC_HAS_SYS_SIGLIST=y
+# UCLIBC_HAS_SYS_SIGLIST is not set
 UCLIBC_HAS_GNU_GETOPT=y
 
 #
@@ -119,7 +119,7 @@ DEVEL_TOOL_PREFIX="$(DEVEL_PREFIX)/usr"
 #
 # uClibc development/debugging options
 #
-DODEBUG=y
+# DODEBUG is not set
 # DOASSERTS is not set
 # SUPPORT_LD_DEBUG is not set
 # SUPPORT_LD_DEBUG_EARLY is not set