Set Makefile to work out of the box on RHEL7@ND.

Makefile.config

@@ -5,15 +5,15 @@ ISOGEN=mkisofs
 # These settings select the native compiler,
 # which is likely to work on native linux-x86.
 #
-#CC=gcc -m32
-#LD=ld -melf_i386
-#AR=ar
-#OBJCOPY=objcopy
+CC=gcc -m32
+LD=ld -melf_i386
+AR=ar
+OBJCOPY=objcopy
 
 # If you are compiling from another platform,
 # then use the script build-cross-compiler.sh
 # add cross/bin to your path, and uncomment these lines:
-CC=i686-elf-gcc
-LD=i686-elf-ld
-AR=i686-elf-ar
-OBJCOPY=i686-elf-objcopy
+#CC=i686-elf-gcc
+#LD=i686-elf-ld
+#AR=i686-elf-ar
+#OBJCOPY=i686-elf-objcopy