diff --git a/ports/tcl/build.sh b/ports/tcl/build.sh
new file mode 100755
index 0000000000..954fd87f6a
--- /dev/null
+++ b/ports/tcl/build.sh
@@ -0,0 +1,22 @@
+#!/bin/bash ../install.sh
+
+NAME='tcl'
+VERSION='8.6.12'
+DOWNLOAD_URL="http://prdownloads.sourceforge.net/tcl/tcl$VERSION-src.tar.gz#26c995dd0f167e48b11961d891ee555f680c175f7173ff8cb829f4ebcde4c1a6"
+TAR_CONTENT="tcl$VERSION"
+
+pre_configure() {
+	pushd unix || exit 1
+}
+
+post_configure() {
+	popd
+}
+
+build() {
+	make -C unix -j$(nproc) all || exit 1
+}
+
+install() {
+	make -C unix install "DESTDIR=$BANAN_SYSROOT" || exit 1
+}
diff --git a/ports/tcl/patches/0001-remove-ipv6.patch b/ports/tcl/patches/0001-remove-ipv6.patch
new file mode 100644
index 0000000000..8247d2762f
--- /dev/null
+++ b/ports/tcl/patches/0001-remove-ipv6.patch
@@ -0,0 +1,21 @@
+diff -ruN tcl8.6.12/unix/tclUnixSock.c tcl8.6.12-banan_os/unix/tclUnixSock.c
+--- tcl8.6.12/unix/tclUnixSock.c	2021-10-29 20:08:08.000000000 +0300
++++ tcl8.6.12-banan_os/unix/tclUnixSock.c	2025-06-26 01:23:59.649074073 +0300
+@@ -706,6 +706,7 @@
+ IPv6AddressNeedsNumericRendering(
+     struct in6_addr addr)
+ {
++#ifndef __banan_os__
+     if (IN6_ARE_ADDR_EQUAL(&addr, &in6addr_any)) {
+         return 1;
+     }
+@@ -721,6 +722,9 @@
+ 
+     return (addr.s6_addr[12] == 0 && addr.s6_addr[13] == 0
+             && addr.s6_addr[14] == 0 && addr.s6_addr[15] == 0);
++#else
++    return 0;
++#endif
+ }
+ #if defined (__clang__) || ((__GNUC__)  && ((__GNUC__ > 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ > 5))))
+ #pragma GCC diagnostic pop
diff --git a/ports/tcl/patches/0002-remove-gr_passwd.patch b/ports/tcl/patches/0002-remove-gr_passwd.patch
new file mode 100644
index 0000000000..b282ccfe59
--- /dev/null
+++ b/ports/tcl/patches/0002-remove-gr_passwd.patch
@@ -0,0 +1,19 @@
+diff -ruN tcl8.6.12/unix/tclUnixCompat.c tcl8.6.12-banan_os/unix/tclUnixCompat.c
+--- tcl8.6.12/unix/tclUnixCompat.c	2021-10-29 20:08:08.000000000 +0300
++++ tcl8.6.12-banan_os/unix/tclUnixCompat.c	2025-06-26 01:26:39.033530792 +0300
+@@ -702,6 +702,7 @@
+     len += copied;
+     p = buf + len;
+ 
++#ifndef __banan_os__
+     /*
+      * Copy password.
+      */
+@@ -713,6 +714,7 @@
+     tgtPtr->gr_passwd = (copied > 0) ? p : NULL;
+     len += copied;
+     p = buf + len;
++#endif
+ 
+     /*
+      * Copy group members.
diff --git a/ports/tcl/patches/0003-include-alloca.patch b/ports/tcl/patches/0003-include-alloca.patch
new file mode 100644
index 0000000000..4cfac4ebbe
--- /dev/null
+++ b/ports/tcl/patches/0003-include-alloca.patch
@@ -0,0 +1,13 @@
+diff -ruN tcl8.6.12/pkgs/sqlite3.36.0/compat/sqlite3/sqlite3.c tcl8.6.12-banan_os/pkgs/sqlite3.36.0/compat/sqlite3/sqlite3.c
+--- tcl8.6.12/pkgs/sqlite3.36.0/compat/sqlite3/sqlite3.c	2021-09-13 01:15:31.000000000 +0300
++++ tcl8.6.12-banan_os/pkgs/sqlite3.36.0/compat/sqlite3/sqlite3.c	2025-06-28 02:27:43.042768624 +0300
+@@ -19854,6 +19854,9 @@
+ #if !defined(alloca) && defined(_WIN32)
+ # define alloca _alloca
+ #endif
++#if !defined(alloca) && defined(__banan_os__)
++# include <alloca.h>
++#endif
+ # define sqlite3StackAllocRaw(D,N)   alloca(N)
+ # define sqlite3StackAllocZero(D,N)  memset(alloca(N), 0, N)
+ # define sqlite3StackFree(D,P)