--- smlnj-llvm-2026.1.orig/debian/changelog
+++ smlnj-llvm-2026.1/debian/changelog
@@ -0,0 +1,12 @@
+smlnj-llvm (2026.1-1+8.4) UNRELEASED; urgency=medium
+
+  * version number update by debtransform
+
+ -- debtransform <build@opensuse.org>  Sat, 18 Apr 2026 01:41:39 +0000
+
+smlnj-llvm (2026.1-1) UNRELEASED; urgency=medium
+
+  * New upstream release.
+
+ -- Skye Soss <skye@soss.website>  Sat, 04 Apr 2026 14:36:15 -0500
+
--- smlnj-llvm-2026.1.orig/debian/control
+++ smlnj-llvm-2026.1/debian/control
@@ -0,0 +1,20 @@
+Source: smlnj-llvm
+Section: devel
+Priority: optional
+Maintainer: Skye Soss <skye@soss.website>
+Build-Depends: debhelper-compat (= 13),
+               cmake (>= 3.23),
+               ninja-build
+Standards-Version: 4.7.2
+Homepage: https://smlnj.org/
+Vcs-Git: https://github.com/smlnj/smlnj-llvm-21.1.git
+Vcs-Browser: https://github.com/smlnj/smlnj-llvm-21.1
+Rules-Requires-Root: no
+
+Package: smlnj-llvm
+Architecture: amd64 arm64
+Depends: ${misc:Depends}, ${shlibs:Depends}
+Description: LLVM 21.1 with support for JWA Calling Convention
+ This package contains a version of LLVM with support for the JWA calling convention.
+ It is written to be used with Standard ML of New Jersey (SML/NJ)
+ and is based on LLVM version 21.1.7.
--- smlnj-llvm-2026.1.orig/debian/copyright
+++ smlnj-llvm-2026.1/debian/copyright
@@ -0,0 +1,73 @@
+Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
+Upstream-Name: smlnj-llvm-21.1
+Upstream-Contact: John Reppy <jhr@cs.uchicago.edu>
+Source: https://github.com/smlnj/smlnj-llvm-21.1
+
+Files: *
+Copyright: 2003-2017 University of Illinois at Urbana-Champaign.
+License: APACHE-2-LLVM-EXCEPTIONS
+ On Debian systems the full text of the Apache Software License 2.0 can be
+ found in the `/usr/share/common-licenses/Apache-2.0' file.
+ .
+ ---- LLVM Exceptions to the Apache 2.0 License ----
+ .
+ As an exception, if, as a result of your compiling your source code, portions
+ of this Software are embedded into an Object form of such source code, you
+ may redistribute such embedded portions in such Object form without complying
+ with the conditions of Sections 4(a), 4(b) and 4(d) of the License.
+ .
+ In addition, if you combine or link compiled forms of this Software with
+ software that is licensed under the GPLv2 ("Combined Software") and if a
+ court of competent jurisdiction determines that the patent provision (Section
+ 3), the indemnity provision (Section 9) or other Section of the License
+ conflicts with the conditions of the GPLv2, you may retroactively and
+ prospectively choose to deem waived or otherwise exclude such Section(s) of
+ the License, but only in their entirety and only with respect to the Combined
+ Software.
+
+Files: smlnj/*
+Copyright: 2025 Standard ML of New Jersey
+License: BSD-3-clause
+
+Files: debian/*
+Copyright: 2026 Skye Soss <skye@soss.website>
+License: BSD-3-clause
+
+Files: llvm/lib/Support/reg*
+Copyright: 1992, 1993, 1994 Henry Spencer
+           1992, 1993, 1994 The Regents of the University of California
+License: BSD-3-clause
+
+Files: llvm/lib/Support/MD5.cpp llvm/include/llvm/Support/MD5.h
+Copyright: 2001 Alexander Peslyak <solar at openwall.com>
+License: solar-public-domain
+ This software was written by Alexander Peslyak in 2001.  No copyright is
+ claimed, and the software is hereby placed in the public domain.
+ In case this attempt to disclaim copyright and place the software in the
+ public domain is deemed null and void, then the software is
+ Copyright (c) 2001 Alexander Peslyak and it is hereby released to the
+ general public under the following terms:
+ .
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted.
+ .
+ * There's ABSOLUTELY NO WARRANTY, express or implied.
+
+License: MIT
+ Permission is hereby granted, free of charge, to any person obtaining a copy
+ of this software and associated documentation files (the "Software"), to deal
+ in the Software without restriction, including without limitation the rights
+ to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ copies of the Software, and to permit persons to whom the Software is
+ furnished to do so, subject to the following conditions:
+ .
+ The above copyright notice and this permission notice shall be included in
+ all copies or substantial portions of the Software.
+ .
+ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ THE SOFTWARE.
--- smlnj-llvm-2026.1.orig/debian/rules
+++ smlnj-llvm-2026.1/debian/rules
@@ -0,0 +1,27 @@
+#!/usr/bin/make -f
+
+include /usr/share/dpkg/architecture.mk
+
+ifeq ($(DEB_TARGET_ARCH),amd64)
+LLVM_TARGETS := X86
+else ifeq ($(DEB_TARGET_ARCH),arm64)
+LLVM_TARGETS := AArch64
+endif
+
+%:
+	dh $@ --buildsystem=cmake+ninja
+
+override_dh_auto_configure:
+	dh_auto_configure -- \
+		--preset=smlnj-llvm-release \
+		-B$(CURDIR)/obj-$(DEB_HOST_GNU_TYPE) \
+		-DCMAKE_BUILD_TYPE=Release \
+		-DLLVM_TARGETS_TO_BUILD=$(LLVM_TARGETS) \
+		-DLLVM_ENABLE_DUMP=ON \
+		-DSMLNJ_CFGC_BUILD=ON
+
+override_dh_auto_test:
+	:
+
+override_dh_dwz:
+	:
