Configure:error:you must configure in a separate build directory

The following error occurred while configure glibc-2.14:

[[email protected] Opt]# cd glibc-2.14  [[email  Protected] Glibc-2.14 ]#./configure  Checking Build system Type ... x86_64-unknown-linux-gnuchecking host system type ... x86_64-unknown-linux-gnuchecking for  gcc ... gccchecking for  suffix of object files ... ochecking Whether we are using the GNU C compiler ... yeschecking whether gcc accepts-g ... yeschecking fo R  gcc option to accept ISO C89 ... none neededchecking how to run the C preprocessor ... gcc-echecking for  g++ g++checking whether we are using the GNU C + + compiler. . yeschecking whether g++ accepts-g ... yesconfigure:error:you must configure in  a Separ Ate build directory 

Just go back to the top-level directory to execute configure:

[root@localhost glibc-2.14]# cd ../[root@localhost opt]# ./glibc-2.14/configure 

Configure:error:you must configure in a separate build directory