re PR c++/14607 (Duplicate symbol "vtable for node" in files div.o and env.o)

re PR c++/14607 (Duplicate symbol "vtable for node" in files div.o and env.o)

	PR c++/14607
	* config/pa/pa-hpux10.h (SUPPORTS_ONE_ONLY): Define.
	(MAKE_DECL_ONE_ONLY): Undefine.
	* pa-protos.h (som_text_section_asm_op, one_only_readonly_data_section,
	readonly_data, one_only_data_section, forget_section): New prototypes.
	* pa.c (pa_init_machine_status, som_text_section_asm_op): New
	functions.
	(pa_select_section): Add one-only (COMDAT) support.
	* pa.h (struct machine_function): Define.
	* som.h (ASM_OUTPUT_FUNCTION_PREFIX): Delete.
	(TEXT_SECTION_ASM_OP): Call som_text_section_asm_op.
	(DEFAULT_TEXT_SECTION_ASM_OP, NEW_TEXT_SECTION_ASM_OP,
	ONE_ONLY_TEXT_SECTION_ASM_OP, ONE_ONLY_READONLY_DATA_SECTION_ASM_OP,
	ONE_ONLY_DATA_SECTION_ASM_OP): New defines.
	(EXTRA_SECTIONS): Add in_one_only_readonly_data and in_one_only_data.
	(EXTRA_SECTION_FUNCTIONS): Rework to use individual function macros.
	(READONLY_DATA_FUNCTION, ONE_ONLY_READONLY_DATA_SECTION_FUNCTION,
	ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): New defines
	for EXTRA_SECTION_FUNCTIONS.
	* doc/install.texi: Update binutils requirements.

From-SVN: r84970