egcs/gcc ChangeLog collect2.c cppinit.c cppfil ...

[law@egcs.cygnus.com]

CVSROOT:	/egcs/carton/cvsfiles
Module name:	egcs
Changes by:	law@egcs.cygnus.com	99/04/10 04:27:17

Modified files:
	gcc            : ChangeLog collect2.c cppinit.c cppfiles.c gcc.c 
	                 prefix.c 
	gcc/config/i386: xm-djgpp.h xm-dos.h xm-mingw32.h xm-os2.h 
	gcc/config/winnt: xm-winnt.h 

Log message:
	* collect2.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM in place
	of the DIR_SEPARATOR test.
	Consider any file starting with a drivename to be absolute.
	If the absolute filename test fails and EXECUTABLE_SUFFIX is
	defined, append EXECUTABLE_SUFFIX to the file and try again.
	* cppinit.c (base_name): Use HAVE_DOS_BASED_FILE_SYSTEM
	in place of __MSDOS__ and _WIN32.
	* cppfiles.c (simplify_pathname): Likewise.
	* gcc.c (IS_DIR_SEPARATOR): Define new macro. Returns true if a
	character is a directory separator.
	(find_a_file): Use it.
	(convert_filename): Likewise.
	(process_command): Likewise.
	(do_spec_1): Likewise.
	(is_directory): Likewise.
	(main): Likewise.
	* prefix.c (IS_DIR_SEPARATOR): Define. Tests whether a character is
	a directory separator.
	(translate_name): Use it.
	(update_path): Change DIR_SEPARATOR_2 to DIR_SEPARATOR. Fix
	warning in block where '/' is changed to DIR_SEPARATOR.
	* i386/xm-djgpp.h (DIR_SEPARATOR): Set to '/'.
	(DIR_SEPARATOR_2): New macro. Set to '\'.
	(HAVE_DOS_BASED_FILESYS): Define.
	* i386/xm-mingw32.h: Updated copyright. Set
	DIR_SEPARATOR_2 to '/'. Define HAVE_DOS_BASED_FILE_SYSTEM.
	* i386/xm-os2.h: Likewise.
	* winnt/xm-winnt.h: Likewise.
	* i386/xm-dos.h: Likewise.  Add copyright.