diff -up firefox-115.0.2/toolkit/moz.configure.disable-elfhack firefox-115.0.2/toolkit/moz.configure
--- firefox-115.0.2/toolkit/moz.configure.disable-elfhack	2023-07-18 12:21:22.507358334 +0200
+++ firefox-115.0.2/toolkit/moz.configure	2023-07-18 12:52:55.972727498 +0200
@@ -1520,7 +1520,7 @@ with only_when("--enable-compile-environ
                     "Cannot enable elfhack with lld."
                     " Use --enable-linker=bfd, --enable-linker=gold, or --disable-elf-hack"
                 )
-            return True
+            return False
 
         set_config("USE_ELF_HACK", use_elf_hack)