[PHP-INSTALL] C compiler cannot create executables. (Mac OS X 10.3.4 w/Xcode)

I'm getting this error trying to configure 4.3.8 under Mac OS X 10.3.4 (Panther): ./configure --with-mysql --with-apxs . . . checking whether the C compiler (gcc ) works... no configure: error: installation or configuration problem: C compiler cannot create executables. I've installed Xcode wi

[PHP-INSTALL] Can 4.x and 5.0 coexist on the same machine?

I'm wondering if it's possible to have 4.x and 5.0 installed on the same machine and to be able to switch between them. I'm running Mac OS X 10.3.4. Could I create another account which uses 5.0 and log on using that account when I want to use that version? Forgive me for not doing the resea