[root@web1 APC-3.0.8]# /usr/local/src/php-4.4.5/scripts/phpize ./configure --enable-apc --enable-apc-mmap --with-apxs=/usr/sbin/apxs --with-php-config=/usr/local/src/php-4.4.5/scripts/php-config
Configuring for:
PHP Api Version:         20020918
Zend Module Api No:      20020429
Zend Extension Api No:   20050606
cp: cannot stat `mkdep.awk': No such file or directory
cp: cannot stat `scan_makefile_in.awk': No such file or directory
cp: cannot stat `shtool': No such file or directory
cp: cannot stat `libtool.m4': No such file or directory
cp: cannot stat `acinclude.m4': No such file or directory
cp: cannot stat `Makefile.global': No such file or directory
cp: cannot stat `config.sub': No such file or directory
cp: cannot stat `config.guess': No such file or directory
cp: cannot stat `ltmain.sh': No such file or directory
cat: acinclude.m4: No such file or directory
cat: ./build/libtool.m4: No such file or directory
/usr/local/src/php-4.4.5/scripts/phpize: line 130: /usr/local/lib/php/build/phpize.m4: No such file or directory
chmod: cannot access `/usr/local/src/APC-3.0.8/build/shtool': No such file or directory
shtool at '/usr/local/src/APC-3.0.8/build/shtool' does not exist or is not executable. 
Make sure that the file exists and is executable and then rerun this script.