diff --git a/packages/emacs/build.sh b/packages/emacs/build.sh
index 1d1c877cb..107d7b6d3 100644
--- a/packages/emacs/build.sh
+++ b/packages/emacs/build.sh
@@ -1,10 +1,9 @@
 TERMUX_PKG_HOMEPAGE=https://www.gnu.org/software/emacs/
 TERMUX_PKG_DESCRIPTION="Extensible, customizable text editor-and more"
 TERMUX_PKG_LICENSE="GPL-3.0"
-TERMUX_PKG_VERSION=26.3
-TERMUX_PKG_REVISION=7
-TERMUX_PKG_SRCURL=https://mirrors.kernel.org/gnu/emacs/emacs-${TERMUX_PKG_VERSION}.tar.xz
-TERMUX_PKG_SHA256=4d90e6751ad8967822c6e092db07466b9d383ef1653feb2f95c93e7de66d3485
+TERMUX_PKG_VERSION=27.1
+TERMUX_PKG_SRCURL=https://ftp.gnu.org/gnu/emacs/emacs-${TERMUX_PKG_VERSION}.tar.xz
+TERMUX_PKG_SHA256=4a4c128f915fc937d61edfc273c98106711b540c9be3cd5d2e2b9b5b2f172e41
 TERMUX_PKG_DEPENDS="ncurses, gnutls, libxml2"
 TERMUX_PKG_BREAKS="emacs-dev"
 TERMUX_PKG_REPLACES="emacs-dev"
@@ -89,16 +88,19 @@ termux_step_host_build() {
 	local NATIVE_PREFIX=$TERMUX_PKG_TMPDIR/emacs-native
 	mkdir -p $NATIVE_PREFIX/share/emacs/$TERMUX_PKG_VERSION
 	ln -s $TERMUX_PKG_SRCDIR/lisp $NATIVE_PREFIX/share/emacs/$TERMUX_PKG_VERSION/lisp
-
-	$TERMUX_PKG_SRCDIR/configure --prefix=$NATIVE_PREFIX --without-all --with-x-toolkit=no
+	( cd $TERMUX_PKG_SRCDIR; ./autogen.sh )
+	$TERMUX_PKG_SRCDIR/configure --prefix=$NATIVE_PREFIX --without-all --without-x
 	make -j $TERMUX_MAKE_PROCESSES
 }
 
 termux_step_post_configure() {
 	cp $TERMUX_PKG_HOSTBUILD_DIR/src/bootstrap-emacs $TERMUX_PKG_BUILDDIR/src/bootstrap-emacs
 	cp $TERMUX_PKG_HOSTBUILD_DIR/lib-src/make-docfile $TERMUX_PKG_BUILDDIR/lib-src/make-docfile
+	cp $TERMUX_PKG_HOSTBUILD_DIR/lib-src/make-fingerprint $TERMUX_PKG_BUILDDIR/lib-src/make-fingerprint
 	# Update timestamps so that the binaries does not get rebuilt:
-	touch -d "next hour" $TERMUX_PKG_BUILDDIR/src/bootstrap-emacs $TERMUX_PKG_BUILDDIR/lib-src/make-docfile
+	touch -d "next hour" $TERMUX_PKG_BUILDDIR/src/bootstrap-emacs \
+		$TERMUX_PKG_BUILDDIR/lib-src/make-docfile \
+		$TERMUX_PKG_BUILDDIR/lib-src/make-fingerprint
 }
 
 termux_step_post_make_install() {
diff --git a/packages/emacs/lib-src-emacsclient.c.patch b/packages/emacs/lib-src-emacsclient.c.patch
index c779f18b7..75dc0433a 100644
--- a/packages/emacs/lib-src-emacsclient.c.patch
+++ b/packages/emacs/lib-src-emacsclient.c.patch
@@ -1,18 +1,20 @@
---- ../emacsclient.c.orig	2019-08-29 20:08:48.840624090 +0200
-+++ ./lib-src/emacsclient.c	2019-08-29 20:13:37.425382182 +0200
-@@ -1289,11 +1289,12 @@
-               }
-             else
- #endif
--              tmpdir = "/tmp";
-+              tmpdir = "@TERMUX_PREFIX@/tmp";
-           }
-+	/* Use $PREFIX/var/run instead of $TMPDIR in termux. */
- 	socket_name_storage =
--	  xmalloc (strlen (tmpdir) + strlen (server_name) + EXTRA_SPACE);
--	char *z = stpcpy (socket_name_storage, tmpdir);
-+	  xmalloc (strlen ("@TERMUX_PREFIX@/var/run") + strlen (server_name) + EXTRA_SPACE);
-+	char *z = stpcpy (socket_name_storage, "@TERMUX_PREFIX@/var/run");
- 	z += sprintf (z, "/emacs%ld/", uid);
- 	strcpy (z, server_name);
- 	local_socket_name = socket_name_storage;
+--- ./lib-src/emacsclient.c.orig	2020-07-29 23:40:41.000000000 +0200
++++ ./lib-src/emacsclient.c	2020-09-14 21:36:04.883963456 +0200
+@@ -1411,7 +1411,7 @@
+ 	        tmpdirlen = min (n - 1, socknamesize);
+ # endif
+ 	      if (tmpdirlen < 0)
+-		tmpdirlen = snprintf (sockname, socknamesize, "/tmp");
++		tmpdirlen = snprintf (sockname, socknamesize, "@TERMUX_PREFIX@/tmp");
+ 	    }
+ 	  socknamelen = local_sockname (sockname, socknamesize, tmpdirlen,
+ 					uid, server_name);
+@@ -1495,7 +1495,7 @@
+ 	  uintmax_t id = uid;
+ 	  char sockdirname[socknamesize];
+ 	  int sockdirnamelen = snprintf (sockdirname, sizeof sockdirname,
+-					 "/run/user/%"PRIuMAX, id);
++					 "@TERMUX_PREFIX/var@/run/user/%"PRIuMAX, id);
+ 	  if (0 <= sockdirnamelen && sockdirnamelen < sizeof sockdirname
+ 	      && faccessat (AT_FDCWD, sockdirname, X_OK, AT_EACCESS) == 0)
+ 	    message
diff --git a/packages/emacs/lisp-cus-start.el.patch.beforehostbuild b/packages/emacs/lisp-cus-start.el.patch.beforehostbuild
index 3e5f69657..4ff5fec4c 100644
--- a/packages/emacs/lisp-cus-start.el.patch.beforehostbuild
+++ b/packages/emacs/lisp-cus-start.el.patch.beforehostbuild
@@ -1,7 +1,6 @@
-diff -u -r ../emacs-25.0.92/lisp/cus-start.el ./lisp/cus-start.el
---- ../emacs-25.0.92/lisp/cus-start.el	2016-03-02 05:21:42.000000000 -0500
-+++ ./lisp/cus-start.el	2016-04-06 18:16:00.007272810 -0400
-@@ -277,7 +277,7 @@
+--- ./lisp/cus-start.el.orig	2020-07-27 23:21:49.000000000 +0200
++++ ./lisp/cus-start.el	2020-09-14 21:34:59.583435440 +0200
+@@ -290,7 +290,7 @@
  			  "/tmp"))
  		     (t
  		      (or (getenv "TMPDIR") (getenv "TMP") (getenv "TEMP")
diff --git a/packages/emacs/lisp-loadup.el-2.patch.beforehostbuild b/packages/emacs/lisp-loadup.el-2.patch.beforehostbuild
index e316780ca..4f328fc28 100644
--- a/packages/emacs/lisp-loadup.el-2.patch.beforehostbuild
+++ b/packages/emacs/lisp-loadup.el-2.patch.beforehostbuild
@@ -1,7 +1,6 @@
-diff -u -r ../emacs-25.0.92/lisp/loadup.el ./lisp/loadup.el
---- ../emacs-25.0.92/lisp/loadup.el	2016-09-06 09:49:51.838175278 +0300
-+++ ./lisp/loadup.el	2016-09-06 09:57:18.694585441 +0300
-@@ -378,7 +378,11 @@
+--- ./lisp/loadup.el.orig	2020-07-27 23:21:49.000000000 +0200
++++ ./lisp/loadup.el	2020-09-14 21:34:59.586768800 +0200
+@@ -423,7 +423,11 @@
        (message "Warning: Change in load-path due to site-init will be \
  lost after dumping")))
  
diff --git a/packages/emacs/lisp-net-tramp.el.patch.beforehostbuild b/packages/emacs/lisp-net-tramp.el.patch.beforehostbuild
index f24d195fe..19daf3136 100644
--- a/packages/emacs/lisp-net-tramp.el.patch.beforehostbuild
+++ b/packages/emacs/lisp-net-tramp.el.patch.beforehostbuild
@@ -1,12 +1,11 @@
-diff -u -r ../emacs-26.1/lisp/net/tramp.el ./lisp/net/tramp.el
---- ../emacs-26.1/lisp/net/tramp.el	2018-04-23 14:17:48.000000000 +0000
-+++ ./lisp/net/tramp.el	2018-05-29 09:26:34.017326913 +0000
-@@ -127,7 +127,7 @@
-   :require 'tramp)
- 
+--- ./lisp/net/tramp.el.orig	2020-07-29 23:40:41.000000000 +0200
++++ ./lisp/net/tramp.el	2020-09-14 21:34:59.593435521 +0200
+@@ -133,7 +133,7 @@
+ ;; Suppress `shell-file-name' for w32 systems.
  (defcustom tramp-encoding-shell
--  (or (tramp-compat-funcall 'w32-shell-name) "/bin/sh")
-+  (or (tramp-compat-funcall 'w32-shell-name) "@TERMUX_PREFIX@/bin/sh")
+   (let (shell-file-name)
+-    (or (tramp-compat-funcall 'w32-shell-name) "/bin/sh"))
++    (or (tramp-compat-funcall 'w32-shell-name) "@TERMUX_PREFIX@/bin/sh"))
    "Use this program for encoding and decoding commands on the local host.
  This shell is used to execute the encoding and decoding command on the
- local host, so if you want to use `~' in those commands, you should
+ local host, so if you want to use \"~\" in those commands, you should
diff --git a/packages/emacs/lisp-server.el.patch.beforehostbuild b/packages/emacs/lisp-server.el.patch.beforehostbuild
index 162852a16..537d2782c 100644
--- a/packages/emacs/lisp-server.el.patch.beforehostbuild
+++ b/packages/emacs/lisp-server.el.patch.beforehostbuild
@@ -1,12 +1,11 @@
-diff -u -r ../emacs-25.0.92/lisp/server.el ./lisp/server.el
---- ../emacs-25.0.92/lisp/server.el	2016-03-02 05:21:42.000000000 -0500
-+++ ./lisp/server.el	2016-04-06 17:34:48.134354070 -0400
-@@ -267,7 +267,7 @@
- ;; does not read the init file.
- (defvar server-socket-dir
-   (and (featurep 'make-network-process '(:family local))
--       (format "%s/emacs%d" (or (getenv "TMPDIR") "/tmp") (user-uid)))
-+       (format "%s/emacs%d" "@TERMUX_PREFIX@/var/run" (user-uid)))
+--- ./lisp/server.el.orig	2019-11-28 10:49:15.353433913 +0100
++++ ./lisp/server.el	2019-11-28 10:50:18.741175439 +0100
+@@ -277,7 +277,7 @@
+ 	 (let ((xdg_runtime_dir (getenv "XDG_RUNTIME_DIR")))
+ 	   (if xdg_runtime_dir
+ 	       (format "%s/emacs" xdg_runtime_dir)
+-	     (format "%s/emacs%d" (or (getenv "TMPDIR") "/tmp") (user-uid))))))
++	     (format "%s/emacs%d" "@TERMUX_PREFIX@/var/run" (user-uid))))))
    "The directory in which to place the server socket.
  If local sockets are not supported, this is nil.")
  
diff --git a/packages/emacs/lisp-subr.el.patch.beforehostbuild b/packages/emacs/lisp-subr.el.patch.beforehostbuild
deleted file mode 100644
index 28d90bdbc..000000000
--- a/packages/emacs/lisp-subr.el.patch.beforehostbuild
+++ /dev/null
@@ -1,21 +0,0 @@
-diff -u -r ../emacs-25.0.92/lisp/subr.el ./lisp/subr.el
---- ../emacs-25.0.92/lisp/subr.el	2016-03-02 05:21:42.000000000 -0500
-+++ ./lisp/subr.el	2016-03-25 22:03:57.240066240 -0400
-@@ -2975,7 +2975,7 @@
-   (declare (advertised-calling-convention (name buffer command) "23.1"))
-   (start-file-process
-    name buffer
--   (if (file-remote-p default-directory) "/bin/sh" shell-file-name)
-+   (if (file-remote-p default-directory) "@TERMUX_PREFIX@/bin/sh" shell-file-name)
-    (if (file-remote-p default-directory) "-c" shell-command-switch)
-    (mapconcat 'identity args " ")))
- 
-@@ -3019,7 +3019,7 @@
-   (declare (advertised-calling-convention
-             (command &optional infile buffer display) "24.5"))
-   (process-file
--   (if (file-remote-p default-directory) "/bin/sh" shell-file-name)
-+   (if (file-remote-p default-directory) "@TERMUX_PREFIX@/bin/sh" shell-file-name)
-    infile buffer display
-    (if (file-remote-p default-directory) "-c" shell-command-switch)
-    (mapconcat 'identity (cons command args) " ")))
diff --git a/packages/emacs/lisp-term.el.patch.beforehostbuild b/packages/emacs/lisp-term.el.patch.beforehostbuild
index 0058f6dd1..fc56b5714 100644
--- a/packages/emacs/lisp-term.el.patch.beforehostbuild
+++ b/packages/emacs/lisp-term.el.patch.beforehostbuild
@@ -1,10 +1,9 @@
-diff -u -r ../emacs-26.1/lisp/term.el ./lisp/term.el
---- ../emacs-26.1/lisp/term.el	2018-05-25 08:53:30.000000000 +0000
-+++ ./lisp/term.el	2018-05-29 09:28:08.472262228 +0000
-@@ -1552,7 +1552,7 @@
- 	;; do the decoding by hand on the parts that are made of chars.
- 	(coding-system-for-read 'binary))
-     (apply 'start-process name buffer
+--- ./lisp/term.el.orig	2019-11-28 10:52:45.633666279 +0100
++++ ./lisp/term.el	2019-11-28 10:53:51.234778668 +0100
+@@ -1558,7 +1558,7 @@
+       (push (format "EMACS=%s (term:%s)" emacs-version term-protocol-version)
+             process-environment))
+     (apply #'start-process name buffer
 -	   "/bin/sh" "-c"
 +	   "@TERMUX_PREFIX@/bin/sh" "-c"
  	   (format "stty -nl echo rows %d columns %d sane 2>/dev/null;\
diff --git a/packages/emacs/no_user_fullname.patch b/packages/emacs/no_user_fullname.patch
index 4a99de697..153dbe63a 100644
--- a/packages/emacs/no_user_fullname.patch
+++ b/packages/emacs/no_user_fullname.patch
@@ -1,7 +1,6 @@
-diff -u -r ../emacs-24.3/src/editfns.c ./src/editfns.c
---- ../emacs-24.3/src/editfns.c	2013-01-01 21:37:17.000000000 +0100
-+++ ./src/editfns.c	2014-02-19 03:21:55.000000000 +0100
-@@ -1304,7 +1304,7 @@
+--- ./src/editfns.c.orig	2020-07-29 23:40:42.000000000 +0200
++++ ./src/editfns.c	2020-09-14 21:36:04.890630177 +0200
+@@ -1250,7 +1250,7 @@
    if (!pw)
      return Qnil;
  
@@ -9,4 +8,4 @@ diff -u -r ../emacs-24.3/src/editfns.c ./src/editfns.c
 +  p = "unknown";
    /* Chop off everything after the first comma. */
    q = strchr (p, ',');
-   full = make_string (p, q ? q - p : strlen (p));
+   full = make_string (p, q ? q - p : strlen (p));
\ No newline at end of file
diff --git a/packages/emacs/src-callproc.c.patch b/packages/emacs/src-callproc.c.patch
index 032c14306..f6588203a 100644
--- a/packages/emacs/src-callproc.c.patch
+++ b/packages/emacs/src-callproc.c.patch
@@ -1,12 +1,11 @@
-diff -u -r ../emacs-25.0.92/src/callproc.c ./src/callproc.c
---- ../emacs-25.0.92/src/callproc.c	2016-03-02 05:21:43.000000000 -0500
-+++ ./src/callproc.c	2016-03-25 22:02:38.977310920 -0400
-@@ -1619,7 +1619,7 @@
+--- ./src/callproc.c.orig	2020-07-29 23:40:42.000000000 +0200
++++ ./src/callproc.c	2020-09-14 21:36:04.897296897 +0200
+@@ -1621,7 +1621,7 @@
      dir_warning ("arch-independent data dir", Vdata_directory);
  
    sh = getenv ("SHELL");
 -  Vshell_file_name = build_string (sh ? sh : "/bin/sh");
 +  Vshell_file_name = build_string (sh ? sh : "@TERMUX_PREFIX@/bin/sh");
  
- #ifdef DOS_NT
-   Vshared_game_score_directory = Qnil;
+   Lisp_Object gamedir = Qnil;
+   if (PATH_GAME)
diff --git a/packages/emacs/src-filelock.c.patch b/packages/emacs/src-filelock.c.patch
index bcf966bff..b27927cc0 100644
--- a/packages/emacs/src-filelock.c.patch
+++ b/packages/emacs/src-filelock.c.patch
@@ -1,12 +1,25 @@
-diff -u -r ../emacs-25.2/src/filelock.c ./src/filelock.c
---- ../emacs-25.2/src/filelock.c	2017-02-03 11:25:45.000000000 +0100
-+++ ./src/filelock.c	2017-06-30 23:36:35.331596590 +0200
-@@ -126,14 +126,14 @@
+--- ../emacs-27/src/filelock.c	2019-11-28 09:41:28.000000000 +0100
++++ ./src/filelock.c	2019-11-28 15:07:18.792543698 +0100
+@@ -63,11 +63,11 @@
+ /* A file whose last-modified time is just after the most recent boot.
+    Define this to be NULL to disable checking for this file.  */
+ #ifndef BOOT_TIME_FILE
+-#define BOOT_TIME_FILE "/var/run/random-seed"
++#define BOOT_TIME_FILE "@TERMUX_PREFIX@/var/run/random-seed"
+ #endif
+ 
+ #if !defined WTMP_FILE && !defined WINDOWSNT
+-#define WTMP_FILE "/var/log/wtmp"
++#define WTMP_FILE "@TERMUX_PREFIX@/var/log/wtmp"
+ #endif
+ 
+ /* Normally use a symbolic link to represent a lock.
+@@ -127,14 +127,14 @@
  static time_t boot_time;
  static bool boot_time_initialized;
  
 -#ifdef BOOT_TIME
-+#if defined(BOOT_TIME) && !defined(__ANDROID__)
++#if defined (BOOT_TIME) && !defined(__ANDROID__)
  static void get_boot_time_1 (const char *, bool);
  #endif
  
@@ -18,21 +31,21 @@ diff -u -r ../emacs-25.2/src/filelock.c ./src/filelock.c
    int counter;
  #endif
  
-@@ -169,7 +169,7 @@
+@@ -170,7 +170,7 @@
  	}
      }
  
 -#if defined (BOOT_TIME)
 +#if defined (BOOT_TIME) && !defined(__ANDROID__)
- #ifndef CANNOT_DUMP
-   /* The utmp routines maintain static state.
-      Don't touch that state unless we are initialized,
-@@ -237,7 +237,7 @@
+   /* The utmp routines maintain static state.  Don't touch that state
+      if we are going to dump, since it might not survive dumping.  */
+   if (will_dump_p ())
+@@ -229,7 +229,7 @@
  #endif
  }
  
 -#ifdef BOOT_TIME
-+#if defined(BOOT_TIME) && !defined(__ANDROID__)
++#if defined (BOOT_TIME) && !defined(__ANDROID__)
  /* Try to get the boot time from wtmp file FILENAME.
     This succeeds if that file contains a reboot record.
  
diff --git a/packages/emacs/src-keyboard.c.patch b/packages/emacs/src-keyboard.c.patch
deleted file mode 100644
index da61b9170..000000000
--- a/packages/emacs/src-keyboard.c.patch
+++ /dev/null
@@ -1,22 +0,0 @@
-https://github.com/emacs-mirror/emacs/commit/18b235941109ab9e7a405cbe950886c97e897e11
-
-diff --git a/src/keyboard.c b/src/keyboard.c
-index 57757cf2112..f32b1560133 100644
---- a/src/keyboard.c
-+++ b/src/keyboard.c
-@@ -8916,7 +8916,6 @@ read_key_sequence (Lisp_Object *keybuf, int bufsize, Lisp_Object prompt,
-   ptrdiff_t keys_start;
- 
-   Lisp_Object current_binding = Qnil;
--  Lisp_Object first_event = Qnil;
- 
-   /* Index of the first key that has no binding.
-      It is useless to try fkey.start larger than that.  */
-@@ -9026,6 +9025,7 @@ read_key_sequence (Lisp_Object *keybuf, int bufsize, Lisp_Object prompt,
- 
-   starting_buffer = current_buffer;
-   first_unbound = bufsize + 1;
-+  Lisp_Object first_event = mock_input > 0 ? keybuf[0] : Qnil;
- 
-   /* Build our list of keymaps.
-      If we recognize a function key and replace its escape sequence in