From: Gaius Mulley <gaius.mulley@southwales.ac.uk>
Date: Tue, 3 May 2022 13:55:16 +0000 (+0100)
Subject: PR-101392 BugFix assign main_input_filename prior to compilation.
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f39c518e3df5eb8236f24958cd1dd570ad153f33;p=thirdparty%2Fgcc.git

PR-101392 BugFix assign main_input_filename prior to compilation.

2022-05-03   Gaius Mulley   <gaius.mulley@southwales.ac.uk>

gcc/m2/ChangeLog:

	* gm2-lang.cc (gm2_langhook_post_options): Assign
	main_input_filename.  (gm2_parse_input_files) Assign
	main_input_filename before every source filename is compiled.

Signed-off-by: Gaius Mulley <gaius.mulley@southwales.ac.uk>
---

diff --git a/gcc/m2/gm2-lang.cc b/gcc/m2/gm2-lang.cc
index 0642bb9883f1..385d42fc1df3 100644
--- a/gcc/m2/gm2-lang.cc
+++ b/gcc/m2/gm2-lang.cc
@@ -449,16 +449,20 @@ gm2_langhook_handle_option (
 /* Run after parsing options.  */
 
 static bool
-gm2_langhook_post_options (const char **pfilename ATTRIBUTE_UNUSED)
+gm2_langhook_post_options (const char **pfilename)
 {
+  const char *filename = *pfilename;
   flag_excess_precision = EXCESS_PRECISION_FAST;
   M2Options_SetCC1Quiet (quiet_flag);
   M2Options_FinaliseOptions ();
+  main_input_filename = filename;
 
   /* Returning false means that the backend should be used.  */
   return false;
 }
 
+/* Call the compiler for every source filename on the command line.  */
+
 static void
 gm2_parse_input_files (const char **filenames, unsigned int filename_count)
 {
@@ -467,7 +471,10 @@ gm2_parse_input_files (const char **filenames, unsigned int filename_count)
 
   for (i = 0; i < filename_count; i++)
     if (!is_cpp_filename (i))
-      init_PerCompilationInit (filenames[i]);
+      {
+	main_input_filename = filenames[i];
+	init_PerCompilationInit (filenames[i]);
+      }
 }
 
 static void