[libiconv] build error on x64-windows-release

[fanyi-wh]

Package: libiconv:x64-windows-release@1.19

Host Environment

• Host: x64-windows
• Compiler: MSVC 19.29.30157.0
• CMake Version: 4.4.0
• vcpkg-tool version: 2026-07-27-98d7cb0cf1f4686a3e43aa5672b6230c1d56bce8
  vcpkg-scripts version: ea1a739 2026-08-08 (2 days ago)

To Reproduce

vcpkg install gdal:x64-windows-release

Failure logs

-- Using cached libiconv-1.19.tar.gz
-- Cleaning sources at D:/dev/vcpkg/buildtrees/libiconv/src/v1.19-81131afe73.clean. Use --editable to skip cleaning for the packages you specify.
-- Extracting source D:/dev/vcpkg/downloads/libiconv-1.19.tar.gz
-- Applying patch 0002-Config-for-MSVC.patch
-- Applying patch 0003-Add-export.patch
-- Applying patch 0004-ModuleFileName.patch
-- Using source at D:/dev/vcpkg/buildtrees/libiconv/src/v1.19-81131afe73.clean
CMake Error at installed/x64-windows/share/vcpkg-cmake-get-vars/vcpkg_cmake_get_vars.cmake:9 (message):
  vcpkg_cmake_get_vars was passed extra arguments: ADDITIONAL_LANGUAGES
Call Stack (most recent call first):
  installed/x64-windows/share/vcpkg-make/vcpkg_make_common.cmake:34 (vcpkg_cmake_get_vars)
  installed/x64-windows/share/vcpkg-make/vcpkg_make_configure.cmake:45 (z_vcpkg_make_get_cmake_vars)
  ports/libiconv/portfile.cmake:43 (vcpkg_make_configure)
  scripts/ports.cmake:209 (include)