Do not override CFLAGS in uClibc. Instead concatenate with the ARCH_CFLAGS. Also, pass only the TARGET_CONFIGURE options that are necessary for building the utilities so that CFLAGS are not passed.

toolchain/uClibc/uclibc.mk

@@ -113,6 +113,8 @@ $(UCLIBC_DIR)/.config: $(UCLIBC_DIR)/.unpacked $(UCLIBC_CONFIG_FILE)
 		-e 's,^DEVEL_PREFIX=.*,DEVEL_PREFIX=\"/usr/\",g' \
 		-e 's,^SHARED_LIB_LOADER_PREFIX=.*,SHARED_LIB_LOADER_PREFIX=\"/lib\",g' \
 		$(UCLIBC_DIR)/.config
+	$(SED) 's,^ARCH_CFLAGS=",ARCH_CFLAGS="$(TARGET_CFLAGS) ,g' \
+		$(UCLIBC_DIR)/.config
 ifeq ($(UCLIBC_TARGET_ARCH),arm)
 	$(SED) 's/^\(CONFIG_[^_]*[_]*ARM[^=]*\)=.*/# \1 is not set/g' \
 		 $(UCLIBC_DIR)/.config
@@ -346,7 +348,8 @@ $(TARGET_DIR)/lib/libc.so.0: $(STAGING_DIR)/usr/lib/libc.a
 	touch -c $@
 
 $(TARGET_DIR)/usr/bin/ldd:
-	$(MAKE1) -C $(UCLIBC_DIR) $(TARGET_CONFIGURE_OPTS) \
+	$(MAKE1) -C $(UCLIBC_DIR) CC=$(TARGET_CROSS)gcc \
+		CPP=$(TARGET_CROSS)cpp LD=$(TARGET_CROSS)ld \
 		PREFIX=$(TARGET_DIR) utils install_utils
 ifeq ($(strip $(BR2_CROSS_TOOLCHAIN_TARGET_UTILS)),y)
 	mkdir -p $(STAGING_DIR)/$(REAL_GNU_TARGET_NAME)/target_utils