* configure.tgt: Only use elf64hppa target emulation for hpux.
* emulparams/elf64hppa.sh: Don't include hppa64linux.sh.
(SCRIPT_NAME): Use new script elf64hppa.
(SCRIPT_NAME, ELFSIZE, NO_REL_RELOCS, ARCH, MACHINE, ENTRY,
TEMPLATE_NAME, GENERATE_SHLIB_SCRIPT, OTHER_READONLY_SECTIONS,
OTHER_READWRITE_SECTIONS, OTHER_BSS_SECTIONS, OTHER_GOT_RELOC_SECTIONS,
DATA_START_SYMBOLS, OTHER_SYMBOLS, DATA_PLT, PLT_BEFORE_GOT,
TEXT_DYNAMIC): Define.
* emulparams/hppa64linux.sh: Adjust comments.
* scripttempl/elf64hppa.sc: New file.