Hello!  Compiling PHP with Apache2 support (with apache2handler) has one issue, here's my configure line:

./configure --with-apxs2=/usr/sbin/apxs2 --enable-sockets --enable-ftp --enable-cli --disable-cgi --enable-debug

Here are some of the results during configure:

Configuring SAPI modules
checking for AOLserver support... no
checking for Apache 2.0 module support via DSO through APXS... no
checking for Apache 2.0 handler-module support via DSO through APXS... expr: non-numeric argument
./configure: line 3885: test: : integer expression expected
./configure: line 3887: test: : integer expression expected
yes

[snip]
checking for chosen SAPI module... apache2handler

Here are lines 3883 - 3889 of configure (formatted to fit nicely in this report):

  APACHE_VERSION=`expr $4 \* 1000000 + $5 \* 1000 + $6`

  if test "$APACHE_VERSION" -le 2000000; then
    { echo "configure: error: You have enabled Apache 2
            support while your server is Apache 1.3.  
            Please use the appropiate switch --with-apxs
            (without the 2)" 1>&2; exit 1;$
  elif test "$APACHE_VERSION" -lt 2000044; then
    { echo "configure: error: Please note that Apache 
            version >= 2.0.44 is required." 1>&2; exit 1; }
  fi


$APACHE_VERSION has no value, I tested it by echoing it in configure.  This APACHE_VERSION check only fails if a known  version is less than 2.0.44 so if it doesn't know the version at all (in my case) it will always pass.  But I happen to have 2.0.45 so it's not a problem, for me.

I have no clue why it can't figure out the APACHE_VERSION nor do I know this topic at all.  If feedback is required let me know :)  BTW, it compiled fine, make install worked perfectly.