The problem:
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microtime.c: In function `php_if_getrusage':
microtime.c:99: storage size of `usg' isn't known
microtime.c:102: `RUSAGE_SELF' undeclared (first use in this function)
microtime.c:102: (Each undeclared identifier is reported only once
microtime.c:102: for each function it appears in.)
microtime.c:108: `RUSAGE_CHILDREN' undeclared (first use in this function)
make[3]: *** [microtime.lo] Error 1
make[3]: Leaving directory `/usr/local/src/php-4.0.6/ext/standard'
make[2]: *** [all-recursive] Error 1
make[2]: Leaving directory `/usr/local/src/php-4.0.6/ext/standard'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/usr/local/src/php-4.0.6/ext'
make: *** [all-recursive] Error 1
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A part from the ./configure output:
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[root@jiv][01:39am] /usr/local/src/php-4.0.6 # ./configure  --with-mysql=/usr/local/ --with-apxs=/var/lib/apache/sbin/apxs | grep time
checking for sys/time.h... yes
checking for utime.h... yes
checking whether struct tm is in sys/time.h or time.h... time.h
checking for asctime_r... yes
checking for ctime_r... yes
checking for gettimeofday... yes
checking for gmtime_r... yes
checking for localtime_r... yes
checking for setitimer... yes
checking for strftime... yes
checking for utime... yes
checking whether utime accepts a null argument... yes
checking for declared timezone... yes
checking for type of reentrant time-related functions... POSIX
configure: warning: You will need bison 1.28 if you want to regenerate the Zend parser (found 1.27).