./build exim fails (4.73)

CB 1.2

gcc: auths/auths.a: No such file or directory
make[1]: *** [exim] Error 1
make[1]: Leaving directory `/usr/local/directadmin/custombuild/exim-4.73/build-Linux-i386'
make: *** [all] Error 2

*** The make has failed, do you want to try to make again? (y,n):

Does CB 1.2 support exim 4.73?

exim 4.73 build problem

all lib installed debian 5.0 lenny sistem.make custumbuild update and build exim after error message.

Trying to make exim...

>>> Creating links to source files...
>>> New Makefile installed
>>> Use "make makefile" if you need to force rebuilding of the makefile

make[1]: Entering directory `/usr/local/directadmin/custombuild/exim-4.73/build-Linux-i386'
/bin/sh ../scripts/Configure-os.h
/bin/sh ../scripts/Configure-os.c
gcc buildconfig.c
make[1]: execvp: gcc: Permission denied
make[1]: *** [buildconfig] Error 127
make[1]: Leaving directory `/usr/local/directadmin/custombuild/exim-4.73/build-Linux-i386'
make: *** [all] Error 2

*** The make has failed, do you want to try to make again? (y,n):

login as root user.

I am having same problem but with CentOS 5.6. Any suggestions how to resolve this?