From: Xiang.Lin <myd.xia@gmail.com>
Date: Mon, 6 Nov 2023 07:07:56 +0000 (+0800)
Subject: libtool: fix empty "-L" in compiler_lib_search_path
X-Git-Tag: v2.5.0~53
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4da5b57531bc2db0131bb26ad017792688674890;p=thirdparty%2Flibtool.git

libtool: fix empty "-L" in compiler_lib_search_path

If the compiler places a space between "-L" and the path, the path will
be skipped and only an empty "-L" will appear in the final
compiler_lib_search_path. This will cause the first library in postdeps
following compiler_lib_search_path to be accidentally skipped.

* libtool.m4: Fixed string comparison by adding missing 'x's.
---

diff --git a/m4/libtool.m4 b/m4/libtool.m4
index 20d2c3ab3..23a68497a 100644
--- a/m4/libtool.m4
+++ b/m4/libtool.m4
@@ -7563,8 +7563,8 @@ if AC_TRY_EVAL(ac_compile); then
     -L* | -R* | -l*)
        # Some compilers place space between "-{L,R}" and the path.
        # Remove the space.
-       if test x-L = "$p" ||
-          test x-R = "$p"; then
+       if test x-L = x"$p" ||
+          test x-R = x"$p"; then
 	 prev=$p
 	 continue
        fi