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Bump to libtorch 2.8.0 #1409

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0ffbafc
Bump to libtorch 2.8.0
TroyHernandez Feb 5, 2026
1e50d61
Update lantern to build against libtorch 2.8.0
TroyHernandez Feb 5, 2026
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4 changes: 2 additions & 2 deletions R/install.R
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Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
branch <- "main"
torch_version <- "2.7.1"
torch_version <- "2.8.0"

#' Install Torch
#'
Expand Down Expand Up @@ -279,7 +279,7 @@ libtorch_url <- function() {
url <- glue::glue("https://download.pytorch.org/libtorch/{kind}/libtorch-win-shared-with-deps-{torch_version}%2B{kind}.zip")
}
if (is_linux()) {
url <- glue::glue("https://download.pytorch.org/libtorch/{kind}/libtorch-cxx11-abi-shared-with-deps-{torch_version}%2B{kind}.zip")
url <- glue::glue("https://download.pytorch.org/libtorch/{kind}/libtorch-shared-with-deps-{torch_version}%2B{kind}.zip")
}

installer_message(c(
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6 changes: 3 additions & 3 deletions src/lantern/CMakeLists.txt
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Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
cmake_minimum_required(VERSION 3.19.2)
project(lantern)

set(TORCH_VERSION "2.7.1")
set(TORCH_VERSION "2.8.0")

if (NOT DEFINED TORCH_PATH)
if (DEFINED ENV{TORCH_PATH})
Expand Down Expand Up @@ -44,9 +44,9 @@ if (NOT EXISTS "${TORCH_PATH}")
endif()
elseif(UNIX)
if (DEFINED CUDA_VERSION_NUMBER)
set(TORCH_URL "https://download.pytorch.org/libtorch/cu${CUDA_VERSION_NUMBER}/libtorch-cxx11-abi-shared-with-deps-${TORCH_VERSION}%2Bcu${CUDA_VERSION_NUMBER}.zip")
set(TORCH_URL "https://download.pytorch.org/libtorch/cu${CUDA_VERSION_NUMBER}/libtorch-shared-with-deps-${TORCH_VERSION}%2Bcu${CUDA_VERSION_NUMBER}.zip")
else()
set(TORCH_URL "https://download.pytorch.org/libtorch/cpu/libtorch-cxx11-abi-shared-with-deps-${TORCH_VERSION}%2Bcpu.zip")
set(TORCH_URL "https://download.pytorch.org/libtorch/cpu/libtorch-shared-with-deps-${TORCH_VERSION}%2Bcpu.zip")
endif()
endif()
endif()
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2 changes: 1 addition & 1 deletion tools/torchgen/R/utils.R
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Expand Up @@ -7,7 +7,7 @@
#' @export
declarations <- function() {

version <- getOption("torchgen.version", default = "2.7.1")
version <- getOption("torchgen.version", default = "2.8.0")
path <- getOption("torchgen.path")

if (is.null(path)) {
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