[libjpeg-turbo] Build error on x64-windows

[HarryPotterGeo]

Copy issue body from C:/Users/译璞/vcpkg/installed/vcpkg/issue_body.md

[Cheney-W]

Please see #30604 for how to report an issue.

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[Cybula-real]

Package: libjpeg-turbo:x64-windows@3.0.1

Host Environment

• Host: x64-windows
• Compiler: MSVC 19.37.32824.0
• vcpkg-tool version: 2024-01-11-710a3116bbd615864eef5f9010af178034cb9b44 vcpkg-scripts version: unknown

To Reproduce

vcpkg install libjpeg-turbo Failure logs

-- Using cached libjpeg-turbo-libjpeg-turbo-3.0.1.tar.gz.
-- Cleaning sources at C:/DEV/vcpkg/buildtrees/libjpeg-turbo/src/3.0.1-4324fbd2eb.clean. Use --editable to skip cleaning for the packages you specify.
-- Extracting source C:/DEV/vcpkg/downloads/libjpeg-turbo-libjpeg-turbo-3.0.1.tar.gz
-- Applying patch add-options-for-exes-docs-headers.patch
-- Applying patch workaround_cmake_system_processor.patch
-- Using source at C:/DEV/vcpkg/buildtrees/libjpeg-turbo/src/3.0.1-4324fbd2eb.clean
-- Using cached nasm-2.16.01-win64.zip.
CMake Error at scripts/cmake/vcpkg_extract_archive.cmake:19 (message):
  C:/DEV/vcpkg/downloads/tools/nasm was an extraction target, but it already
  exists.
Call Stack (most recent call first):
  scripts/cmake/vcpkg_find_acquire_program.cmake:203 (vcpkg_extract_archive)
  ports/libjpeg-turbo/portfile.cmake:23 (vcpkg_find_acquire_program)
  scripts/ports.cmake:170 (include)

[Cheney-W]

I can't reproduce this issue in my side with the latest vcpkg 2024-01-11-710a3116bbd615864eef5f9010af178034cb9b44 and VS2022 17.8.6. Could you please try to remove the vcpkg\downloads folder and reinstall the port again?

[Cybula-real]

That fixed the issue, thanks

[Veratil]

This happened to me as well. Moving the downloads/tools/nasm folder is what solved it. vcpkg_extract_archive completely bails if the destination folder exists, which doesn't 100% seem like the correct action to me (but may be I'm not sure). Looks like this error was added with #34881.

Further info: I had downloads/tools/nasm-2.15.05 and vcpkg was trying to install nasm-2.16.01. So just having the downloads/tools/nasm folder shouldn't have errored in my opinion.