Make improvements

- Implement openpty()
- Add `--assimilate` flag to APE bootloader
- Restore Linux vDSO clock_gettime() support
- Use `$(APE_NO_MODIFY_SELF)` on more programs

test/libc/calls/execve_test.c

@@ -1,51 +0,0 @@
-/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
-│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8                                :vi│
-╞══════════════════════════════════════════════════════════════════════════════╡
-│ Copyright 2022 Justine Alexandra Roberts Tunney                              │
-│                                                                              │
-│ Permission to use, copy, modify, and/or distribute this software for         │
-│ any purpose with or without fee is hereby granted, provided that the         │
-│ above copyright notice and this permission notice appear in all copies.      │
-│                                                                              │
-│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL                │
-│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED                │
-│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE             │
-│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL         │
-│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR        │
-│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER               │
-│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR             │
-│ PERFORMANCE OF THIS SOFTWARE.                                                │
-╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/calls/calls.h"
-#include "libc/dce.h"
-#include "libc/log/check.h"
-#include "libc/runtime/runtime.h"
-#include "libc/testlib/testlib.h"
-
-void SetUp(void) {
-  if (getenv("_WEIRDENV")) {
-    for (char **e = environ; *e; ++e) {
-      if (!strcmp(*e, "WEIRD")) {
-        exit(0);
-      }
-    }
-    exit(7);
-  }
-}
-
-TEST(execve, testWeirdEnvironmentVariable) {
-  char *prog;
-  int pid, ws;
-  if (IsWindows()) return;
-  if (IsOpenbsd()) return;
-  prog = GetProgramExecutableName();
-  ASSERT_NE(-1, (pid = fork()));
-  if (!pid) {
-    execve(prog, (char *const[]){prog, 0},
-           (char *const[]){"_WEIRDENV=1", "WEIRD", 0});
-    _Exit(127);
-  }
-  ASSERT_NE(-1, wait(&ws));
-  EXPECT_TRUE(WIFEXITED(ws));
-  EXPECT_EQ(0, WEXITSTATUS(ws));
-}