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libvips C++ API Linkage Failures (LNK2001 Unresolved External Symbols) #4611

Answered by jcupitt
yunxingluoyun asked this question in Q&A
libvips C++ API Linkage Failures (LNK2001 Unresolved External Symbols) #4611
@yunxingluoyun yunxingluoyun
Jul 12, 2025 · 1 comment
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yunxingluoyun
Jul 12, 2025

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Answered by jcupitt Jul 16, 2025

Hello @yunxingluoyun,

You can't mix C++ compilers (or sometimes even different versions of the same C++ compiler!) in a single project. We build the Windows libvips binaries with clang++.

You have some choices:

  1. Also use clang++ for your whole project.
  2. Copy this source code tree out of libvips and into your application: https://github.com/libvips/libvips/tree/master/cplusplus then build with MSVC.
  3. Use the C API.
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jcupitt
Jul 16, 2025
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Converted from issue

This discussion was converted from issue #4608 on July 16, 2025 04:55.