From 1f7edb8b3d65da166df57999ae6053bfdbf939de Mon Sep 17 00:00:00 2001
From: Roger Sayle <roger@eyesopen.com>
Date: Tue, 28 Dec 2004 04:24:30 +0000
Subject: [PATCH] re PR driver/16118 (Preprocessed source error with
-xf77-cpp-input)
PR driver/16118
* doc/invoke.texi: Document the interaction between -save-temps
and -x.
From-SVN: r92658
---
gcc/ChangeLog | 6 ++++++
gcc/doc/invoke.texi | 6 ++++++
2 files changed, 12 insertions(+)
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 66264fb33a8a..8cc43d309732 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2004-12-27 Roger Sayle <roger@eyesopen.com>
+
+ PR driver/16118
+ * doc/invoke.texi: Document the interaction between -save-temps
+ and -x.
+
2004-12-27 David Edelsohn <edelsohn@gnu.org>
* config/rs6000/rs6000.c (rs6000_eliminate_indexed_memrefs):
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index 5ba632e7561b..e230f45e7893 100644
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -3891,6 +3891,12 @@ compiling @file{foo.c} with @samp{-c -save-temps} would produce files
preprocessed @file{foo.i} output file even though the compiler now
normally uses an integrated preprocessor.
+When used in combination with the @option{-x} command line option,
+@option{-save-temps} is sensible enough to avoid over writing an
+input source file with the same extension as an intermediate file.
+The corresponding intermediate file may be obtained by renaming the
+source file before using @option{-save-temps}.
+
@item -time
@opindex time
Report the CPU time taken by each subprocess in the compilation
--
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