linux-kernel - [PATCH] Prevent modpost from looking for a .cmd file for a static library linked into a module

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Message-ID: <8A71B368A89016469F72CD08050AD334038D52CF@maui.asicdesigners.com>
Date:	Tue, 7 Oct 2008 11:26:15 -0700
From:	"Ashutosh Naik" <ashutosh@...lsio.com>
To:	<linux-kernel@...r.kernel.org>, <stable@...nel.org>,
	<akpm@...l.org>, <rusty@...tcorp.com.au>,
	"Karen Xie" <kxie@...lsio.com>
Subject: [PATCH] Prevent modpost from looking for a .cmd file for a static library linked into a module


This patch prevents modpost to look for a .cmd file when a module is
linked with a static library

Signed-off-by: Ashutosh Naik <ashutosh.naik@...il.com>

diff -ruN linux-2.6.26.5/scripts/mod/sumversion.c
linux-2.6.26.5-mod/scripts/mod/sumversion.c
--- linux-2.6.26.5/scripts/mod/sumversion.c	2008-09-08
10:40:20.000000000 -0700
+++ linux-2.6.26.5-mod/scripts/mod/sumversion.c	2008-10-07
09:32:24.000000000 -0700
@@ -290,6 +290,15 @@
 	release_file(file, len);
 	return 1;
 }
+/* Check whether the file is a static library or not */
+static int is_static_library(const char *objfile)
+{
+	int len = strlen(objfile);
+	if((objfile[len -2]=='.') && (objfile[len - 1]=='a'))
+		return 1;
+	else
+		return 0;	
+}
 
 /* We have dir/file.o.  Open dir/.file.o.cmd, look for deps_ line to
  * figure out source file. */
@@ -420,7 +429,7 @@
 	while ((fname = strsep(&sources, " ")) != NULL) {
 		if (!*fname)
 			continue;
-		if (!parse_source_files(fname, &md))
+		if (!(is_static_library(fname)) &&
!parse_source_files(fname, &md))
 			goto release;
 	}
--
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