Fix Landlock Make so it can read pattern rule vars

It turned out that specifying all SRCS and INCS as dependencies on the
pattern rules for all headers, caused `make` memory usage to skyrocket
from 40mb ot 160mb. This change also reduces the build graph another 4%.

tool/build/blinkenlights.c

@@ -30,6 +30,7 @@
 #include "libc/calls/termios.h"
 #include "libc/calls/ucontext.h"
 #include "libc/dce.h"
+#include "libc/errno.h"
 #include "libc/fmt/bing.internal.h"
 #include "libc/fmt/conv.h"
 #include "libc/fmt/fmt.h"

tool/build/fixupobj.c

@@ -16,7 +16,6 @@
 │ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR             │
 │ PERFORMANCE OF THIS SOFTWARE.                                                │
 ╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/intrin/safemacros.internal.h"
 #include "libc/calls/calls.h"
 #include "libc/calls/struct/stat.h"
 #include "libc/dce.h"
@@ -25,7 +24,9 @@
 #include "libc/elf/struct/rela.h"
 #include "libc/elf/struct/shdr.h"
 #include "libc/elf/struct/sym.h"
+#include "libc/errno.h"
 #include "libc/fmt/itoa.h"
+#include "libc/intrin/safemacros.internal.h"
 #include "libc/log/check.h"
 #include "libc/log/log.h"
 #include "libc/runtime/runtime.h"

tool/build/lib/syscall.c

@@ -76,6 +76,7 @@
 #include "libc/sysv/consts/w.h"
 #include "libc/sysv/errfuns.h"
 #include "libc/time/struct/timezone.h"
+#include "libc/time/struct/utimbuf.h"
 #include "libc/time/time.h"
 #include "libc/x/x.h"
 #include "third_party/mbedtls/endian.h"

tool/net/redbean.c

@@ -23,7 +23,6 @@
 #include "libc/calls/struct/flock.h"
 #include "libc/calls/struct/iovec.h"
 #include "libc/calls/struct/rusage.h"
-#include "libc/calls/struct/seccomp.h"
 #include "libc/calls/struct/sigaction.h"
 #include "libc/calls/struct/stat.h"
 #include "libc/calls/struct/termios.h"
@@ -57,6 +56,7 @@
 #include "libc/runtime/gc.h"
 #include "libc/runtime/gc.internal.h"
 #include "libc/runtime/internal.h"
+#include "libc/runtime/memtrack.internal.h"
 #include "libc/runtime/runtime.h"
 #include "libc/runtime/stack.h"
 #include "libc/sock/goodsocket.internal.h"

tool/scripts/explain-deps.py

@@ -5,17 +5,17 @@ import re
 import sys
 
 def GetDeps(path):
-  deps = set()
-  def Dive(path, depth):
-    if path in deps:
+  def Dive(path, depth, visited):
+    sys.stdout.write('%s%s' % ('\t' * depth, path))
+    if path in visited:
+      sys.stdout.write(' cycle\n')
       return
-    deps.add(path)
-    sys.stdout.write('%s%s\n' % ('\t' * depth, path))
+    sys.stdout.write('\n')
     with open(path) as f:
       code = f.read()
     for dep in re.findall(r'[.#]include "([^"]+)"', code):
-      Dive(dep, depth + 1)
-  Dive(path, 0)
+      Dive(dep, depth + 1, visited + [path])
+  Dive(path, 0, [])
   sys.stdout.write('\n')
 
 for arg in sys.argv[1:]: