gcc.c (process_command): Only accept input files which exist and can be read...

        * gcc.c (process_command): Only accept input files which exist and
        can be read; prevent link phase if an input file was rejected.
        (error_count): Make into a static global variable.

From-SVN: r3249

diff --git a/gcc/gcc.c b/gcc/gcc.c
index c15ff42..30a0d32 100644 (file)
--- a/gcc/gcc.c
+++ b/gcc/gcc.c
@@ -144,6 +144,10 @@ static int cross_compile = 1;
 static int cross_compile = 0;
 #endif
 
+/* The number of errors that have occurred; the link phase will not be
+   run if this is non-zero.  */
+static int error_count = 0;
+
 /* This is the obstack which we use to allocate many strings.  */
 
 static struct obstack obstack;
@@ -2279,8 +2283,16 @@ process_command (argc, argv)
        }
       else
        {
-         infiles[n_infiles].language = spec_lang;
-         infiles[n_infiles++].name = argv[i];
+         if (access (argv[i], R_OK) < 0)
+           {
+             perror_with_name (argv[i]);
+             error_count++;
+           }
+         else
+           {
+             infiles[n_infiles].language = spec_lang;
+             infiles[n_infiles++].name = argv[i];
+           }
        }
     }
 
@@ -3354,7 +3366,6 @@ main (argc, argv)
   register int i;
   int j;
   int value;
-  int error_count = 0;
   int linker_was_run = 0;
   char *explicit_link_files;
   char *specs_file;