* turn on USE_NEWGCC.
* don't use mkdirhier (to avoid implicit BUILD_DEPENDS on XFree86)
* define ONLY_FOR_ARCHS=i386.
* tweak do-install rules.
* revise some patch for the socklen_t issue.
* fit library file names in the ELF world to enable making package on -STABLE and -CURRENT.
PR: 168006
Submitted by: OKAZAKI Tetsurou <okazaki@be.to>