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 <[email protected]> Signed-off-by: WANG Cong <[email protected]> Acked-by: Randy Dunlap <[email protected]> Signed-off-by: Sam Ravnborg <[email protected]>
berg · Jun 20, 2009 · b767b90 · b767b90
1 parent fb20871
commit b767b90
Showing 1 changed file with 1 addition and 1 deletion.
diff --git 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();