Here is line which compiles php for me (fink) and replacing built in PHP
CFLAGS="-arch i386 -g -Os -pipe -no-cpp-precomp" CCFLAGS="-arch i386 -g -Os -pipe" CXXFLAGS="-arch i386 -g -Os -pipe" LDFLAGS="-arch i386 -bind_at_load" ./configure --prefix=/usr --mandir=/usr/share/man...
