From: Amerigo Wang <amwang@redhat.com>
Date: Fri, 19 Jun 2009 07:06:54 +0000 (-0400)
Subject: kbuild: fix build error during make htmldocs
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=b767b9059fa75a353c9ad6e320ae080fbe15a951;p=GitHub%2Fmt8127%2Fandroid_kernel_alcatel_ttab.git

kbuild: fix build error during make htmldocs

Fix the following build error when do 'make htmldocs':

 DOCPROC Documentation/DocBook/debugobjects.xml
exec /scripts/kernel-doc: No such file or directory
exec /scripts/kernel-doc: No such file or directory

Reported-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: WANG Cong <amwang@redhat.com>
Acked-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
---

diff --git a/scripts/basic/docproc.c b/scripts/basic/docproc.c
index 4c9523ef9c00..99ca7a698687 100644
--- a/scripts/basic/docproc.c
+++ b/scripts/basic/docproc.c
@@ -385,7 +385,7 @@ int main(int argc, char *argv[])
 	if (!srctree)
 		srctree = getcwd(NULL, 0);
 	kernsrctree = getenv("KBUILD_SRC");
-	if (!kernsrctree)
+	if (!kernsrctree || !*kernsrctree)
 		kernsrctree = srctree;
 	if (argc != 3) {
 		usage();