re PR c/2347 (gcc does not accept "-l m" as POSIX permits (wants -lm))

	* gcc.c (process_command): Allow -l lib in addition to -llib
	for POSIX compliance. This fixes PR c/2347.

	* invoke.texi: Update section on Link Options accordingly.

From-SVN: r41655

1 files changed, 14 insertions, 0 deletions

diff --git a/gcc/gcc.c b/gcc/gcc.c
index b265526..9c137fa 100644
--- a/gcc/gcc.c
+++ b/gcc/gcc.c
@@ -3287,6 +3287,14 @@ process_command (argc, argv)
 	  n_infiles++;
 	  i++;
 	}
+      else if (strcmp (argv[i], "-l") == 0)
+	{
+	  if (i + 1 == argc)
+	    fatal ("argument to `-l' is missing");
+
+	  n_infiles++;
+	  i++;
+	}
       else if (strncmp (argv[i], "-l", 2) == 0)
 	n_infiles++;
       else if (strcmp (argv[i], "-save-temps") == 0)
@@ -3728,6 +3736,12 @@ process_command (argc, argv)
 	  infiles[n_infiles].language = "*";
 	  infiles[n_infiles++].name = argv[++i];
 	}
+      else if (strcmp (argv[i], "-l") == 0)
+	{ /* POSIX allows separation of -l and the lib arg;
+	     canonicalize by concatenating -l with its arg */
+	  infiles[n_infiles].language = "*";
+	  infiles[n_infiles++].name = concat ("-l", argv[++i], NULL_PTR);
+	}
       else if (strncmp (argv[i], "-l", 2) == 0)
 	{
 	  infiles[n_infiles].language = "*";