From: Takashi Yano <takashi.yano@nifty.ne.jp>
Date: Wed, 19 Feb 2025 23:37:27 +0000 (+0200)
Subject: ltmain.in: Fix mistaking a directory as an executable
X-Git-Tag: v2.6.0~52
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=961aa57f1466dc2dcd28b8419deb4621865411a6;p=thirdparty%2Flibtool.git

ltmain.in: Fix mistaking a directory as an executable

find_executable() can return a directory of the same name as the target
executable if the directory is found earlier in the PATH, which causes
check_executable() to fail.

Reported: https://savannah.gnu.org/support/?111191

* build-aux/ltmain.in: Check if directory is found before executable
  in the PATH.
---

diff --git a/build-aux/ltmain.in b/build-aux/ltmain.in
index c59459d05..36a85b9e1 100644
--- a/build-aux/ltmain.in
+++ b/build-aux/ltmain.in
@@ -4241,7 +4241,7 @@ check_executable (const char *path)
   if ((!path) || (!*path))
     return 0;
 
-  if ((stat (path, &st) >= 0)
+  if ((stat (path, &st) >= 0) && !S_ISDIR (st.st_mode)
       && (st.st_mode & (S_IXUSR | S_IXGRP | S_IXOTH)))
     return 1;
   else