* ldlang.h (struct lang_input_statement_flags): New, extract from..

	* ldlang.h (struct lang_input_statement_flags): New, extract from..
	(lang_input_statement_type): ..here.  New field "flags".
	(input_flags): Declare.
	(missing_file): Delete.
	* ldmain.h (whole_archive): Delete.
	(add_DT_NEEDED_for_regular, add_DT_NEEDED_for_dynamic): Delete.
	* ld.h (ld_config_type <dynamic_link>): Delete.
	* ldmain.c (whole_archive): Delete.
	(add_DT_NEEDED_for_regular, add_DT_NEEDED_for_dynamic): Delete.
	* ldlang.c (missing_file, ldlang_sysrooted_script): Delete.
	(input_flags): New variable.  Replace all uses of config.dynamic_link,
	missing_file, ldlang_sysrooted_script, whole_archive,
	add_DT_NEEDED_for_regular and add_DT_NEEDED_for_dynamic with fields
	from here.
	* ldfile.c: Likewise.
	* ldgram.y: Likewise.
	* ldmain.c: Likewise.
	* ldwrite.c: Likewise.
	* lexsup.c: Likewise.
	* plugin.c: Likewise.
	* emultempl/aix.em: Likewise.
	* emultempl/armelf.em: Likewise.
	* emultempl/elf32.em: Likewise.
	* emultempl/hppaelf.em: Likewise.
	* emultempl/linux.em: Likewise.
	* emultempl/pe.em: Likewise.
	* emultempl/pep.em: Likewise.
	* emultempl/ppc64elf.em: Likewise.
	* emultempl/scoreelf.em: Likewise.
	* emultempl/spuelf.em: Likewise.
	* emultempl/sunos.em: Likewise.
	* emultempl/vms.em: Likewise.
	* ldlang.c (new_afile): Use memset to init zero fields.
	(load_symbols): Simplify save and restore of flags around command
	file processing.
	* ldfile.c (is_sysrooted_pathname): Tidy.