* lexsup.c (parse_args): Don't set link_info.shared for -assert

	* lexsup.c (parse_args): Don't set link_info.shared for -assert
	pure-text.  Pass true, not 1, to lang_add_entry.
	* emultempl/sunos.em (find_assign): New static variable.
	(found_assign): New static variable.
	(gld${EMULATION_NAME}_before_allocation): Rename local h to hdyn.
	If not a relocateable link, and no start symbol was specified on
	the command line, and there are any undefined symbols, set
	link_info.shared.  If link_info.shared is set, set the address of
	the .text section to 0x20.
	(gld${EMULATION_NAME}_find_assignment): Rename from
	gld${EMULATION_NAME}_find_statement_assignment.  If find_assign is
	set, then just set found_assign based on whether an assignment is
	found to find_assign.
	(gld${EMULATION_NAME}_get_script): Don't use a special script when
	producing a shared library.
	* emulparams/sun4.sh (GENERATE_SHLIB_SCRIPT): Remove.
	* scripttempl/aout.sc: Remove CREATE_SHLIB tests.
	* ldlang.c (entry_from_cmdline): New global variable.
	(lang_add_entry): Change cmdline parameter from int to boolean.
	Use global entry_from_cmdline rather than function static
	from_cmdline.
	* ldlang.h (entry_from_cmdline): Declare.
	(lang_add_entry): Change declaration of second parameter from int
	to boolean.
	* ldgram.y: Pass false, not 0, to lang_add_entry.