diff -Naur a/configure.ac b/configure.ac
--- a/configure.ac	2024-04-07 22:35:55.000000000 +0000
+++ b/configure.ac	2024-04-11 20:52:45.146423842 +0000
@@ -662,7 +662,7 @@
         DEAD_CODE_REMOVAL="";])
 LDFLAGS=$save_LDFLAGS
 
-if test "$DEAD_CODE_REMOVAL" == ""; then
+if test -z "$DEAD_CODE_REMOVAL"; then
     # Macos linkers have a -dead_strip flag, which is similar to --gc-sections.
     save_LDFLAGS=$LDFLAGS
     LDFLAGS="$LDFLAGS -Wl,-dead_strip"
diff -Naur a/configure b/configure
--- a/configure	2024-04-07 22:35:57.000000000 +0000
+++ b/configure	2024-04-11 20:52:45.146423842 +0000
@@ -17815,7 +17815,7 @@
     conftest$ac_exeext conftest.$ac_ext
 LDFLAGS=$save_LDFLAGS
 
-if test "$DEAD_CODE_REMOVAL" == ""; then
+if test -z "$DEAD_CODE_REMOVAL"; then
     # Macos linkers have a -dead_strip flag, which is similar to --gc-sections.
     save_LDFLAGS=$LDFLAGS
     LDFLAGS="$LDFLAGS -Wl,-dead_strip"
diff -Naur a/aclocal.m4 b/aclocal.m4
--- a/aclocal.m4	2024-04-07 22:35:56.000000000 +0000
+++ b/aclocal.m4	2024-04-11 20:53:38.159899793 +0000
@@ -1,3 +1,4 @@
+# touch
 # generated automatically by aclocal 1.16.5 -*- Autoconf -*-
 
 # Copyright (C) 1996-2021 Free Software Foundation, Inc.