fix: inherit process environment and untrack libc objects

toolchain/patches/gcc-14.2.0-montauk.patch

@@ -66,12 +66,12 @@
    prefix_from_env ("PATH", &path);
  
 +#ifdef __montauk__
-+  /* MontaukOS does not pass environment variables across spawn yet, so
-+     COMPILER_PATH and PATH above are always empty.  Derive the compiler
-+     search path from argv[0] instead: the driver invokes collect2 by its
-+     full path (the kernel provides the real exec path in argv[0]), and
-+     `ld` lives in the same libexec directory.  Also seed PATH with the
-+     SDK bin directories so the nm/strip/tooldir fallbacks work.  */
++  /* Keep a fallback for early boot and deliberately minimal environments.
++     Derive the compiler search path from argv[0]: the driver invokes
++     collect2 by its full path (the kernel provides the real exec path in
++     argv[0]), and `ld` lives in the same libexec directory.  Also seed PATH
++     with the SDK bin directories when the caller did not provide one.  */
++
 +  if (cpath.plist == NULL && argv[0] != NULL)
 +    {
 +      const char *slash = strrchr (argv[0], '/');