collect-utils.c, lto-wrapper + mkoffload: Improve -save-temps filename

gcc/ChangeLog:

	* collect-utils.c (collect_execute, fork_execute): Add at-file suffix
	argument.
	* collect-utils.h (collect_execute, fork_execute): Update prototype.
	* collect2.c (maybe_run_lto_and_relink, do_link, main, do_dsymutil):
	Update calls by passing NULL.
	* config/i386/intelmic-mkoffload.c (compile_for_target,
	generate_host_descr_file, prepare_target_image, main): Likewise.
	* config/gcn/mkoffload.c (compile_native, main): Pass at-file suffix.
	* config/nvptx/mkoffload.c (compile_native, main): Likewise.
	* lto-wrapper.c (compile_offload_image): Likewise.

1 files changed, 9 insertions, 4 deletions

diff --git a/gcc/collect-utils.c b/gcc/collect-utils.c
index d4fa2c3..095db8d 100644
--- a/gcc/collect-utils.c
+++ b/gcc/collect-utils.c
@@ -104,7 +104,8 @@ do_wait (const char *prog, struct pex_obj *pex)
 
 struct pex_obj *
 collect_execute (const char *prog, char **argv, const char *outname,
-		 const char *errname, int flags, bool use_atfile)
+		 const char *errname, int flags, bool use_atfile,
+		 const char *atsuffix)
 {
   struct pex_obj *pex;
   const char *errmsg;
@@ -126,7 +127,10 @@ collect_execute (const char *prog, char **argv, const char *outname,
       /* Note: we assume argv contains at least one element; this is
          checked above.  */
 
-      response_file = make_temp_file ("");
+      if (!save_temps || !atsuffix)
+	response_file = make_temp_file ("");
+      else
+	response_file = concat (dumppfx, atsuffix, NULL);
 
       f = fopen (response_file, "w");
 
@@ -202,12 +206,13 @@ collect_execute (const char *prog, char **argv, const char *outname,
 }
 
 void
-fork_execute (const char *prog, char **argv, bool use_atfile)
+fork_execute (const char *prog, char **argv, bool use_atfile,
+	      const char *atsuffix)
 {
   struct pex_obj *pex;
 
   pex = collect_execute (prog, argv, NULL, NULL,
-			 PEX_LAST | PEX_SEARCH, use_atfile);
+			 PEX_LAST | PEX_SEARCH, use_atfile, atsuffix);
   do_wait (prog, pex);
 }