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Patches to make g++/g77 give useful error when no files are given.

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* gcc.c (lang_specific_driver): Add new parm type to prototype.
	(added_libraries): New file scope static variable.
	(process_command): Initialize added_libraries.  Pass it to
	lang_specific_driver.
	(main): Use added_libraries in check for no input files.

From-SVN: r19281
This commit is contained in:
Jim Wilson 1998-04-18 15:31:36 +00:00 committed by Jim Wilson
parent ea16ab474b
commit a2a05b0a35
2 changed files with 17 additions and 3 deletions
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8
gcc/ChangeLog
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@ -1,3 +1,11 @@
Sat Apr 18 15:30:49 1998 Jim Wilson <wilson@cygnus.com>
* gcc.c (lang_specific_driver): Add new parm type to prototype.
(added_libraries): New file scope static variable.
(process_command): Initialize added_libraries. Pass it to
lang_specific_driver.
(main): Use added_libraries in check for no input files.
Sat Apr 18 01:23:11 1998 John Carr <jfc@mit.edu>
* sparc.c, sparc.h, sparc.md, sol2.h: Many changes related to V9

12
gcc/gcc.c
View File

@ -265,7 +265,7 @@ char *xmalloc ();
char *xrealloc ();
#ifdef LANG_SPECIFIC_DRIVER
extern void lang_specific_driver PROTO ((void (*) (), int *, char ***));
extern void lang_specific_driver PROTO ((void (*) (), int *, char ***, int *));
#endif
/* Specs are strings containing lines, each of which (if not blank)
@ -2291,6 +2291,11 @@ static struct infile *infiles;
static int n_infiles;
/* This counts the number of libraries added by LANG_SPECIFIC_DRIVER, so that
we can tell if there were any user supplied any files or libraries. */
static int added_libraries;
/* And a vector of corresponding output files is made up later. */
static char **outfiles;
@ -2373,6 +2378,7 @@ process_command (argc, argv)
n_switches = 0;
n_infiles = 0;
added_libraries = 0;
/* Figure compiler version from version string. */
@ -2515,7 +2521,7 @@ process_command (argc, argv)
#ifdef LANG_SPECIFIC_DRIVER
/* Do language-specific adjustment/addition of flags. */
lang_specific_driver (fatal, &argc, &argv);
lang_specific_driver (fatal, &argc, &argv, &added_libraries);
#endif
/* Scan argv twice. Here, the first time, just count how many switches
@ -4696,7 +4702,7 @@ main (argc, argv)
exit (0);
}
if (n_infiles == 0)
if (n_infiles == added_libraries)
fatal ("No input files");
/* Make a place to record the compiler output file names