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Issues linking with LLVM 18 in 1.13.9.0 #1809

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etsach opened this issue May 2, 2024 · 1 comment · May be fixed by #1812
Open

Issues linking with LLVM 18 in 1.13.9.0 #1809

etsach opened this issue May 2, 2024 · 1 comment · May be fixed by #1812
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build / testing / port / CI Affecting the build system, tests, platform support, porting, or continuous integration. llvm Needs LLVM knowledge

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@etsach
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etsach commented May 2, 2024 •
edited

Problem

Expected behavior: Build OSL library with LLVM 18

Actual behavior: oslc fails to link with undefined references such as:

/usr/bin/ld: ../../lib/liboslcomp.so.1.13.9: undefined reference to clang::api_notes::APINotesManager::APINotesManager(clang::SourceManager&, clang::LangOptions const&)'
We might just need -lclangAPINotes with LLVM 18

Steps to Reproduce

  1. cmake .. -DCMAKE_CXX_STANDARD=17
  2. make -j8

Versions

  • OSL branch/version: 1.13.9.0 release
  • OS: Ubuntu 24.04 LTS
  • C++ compiler: clang 18.1.3 (Ubuntu 24.04 package)
  • LLVM version: 18.0 (Ubuntu 24.04 package)
  • OIIO version: 2.4.17 (Ubuntu 24.04 package)
@etsach etsach changed the title Issues linking with LLVM 18 in 1. Issues linking with LLVM 18 in 1.13.9.0 May 2, 2024
@lgritz lgritz linked a pull request May 5, 2024 that will close this issue
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@lgritz
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lgritz commented May 5, 2024

Proposed fix in #1812

@lgritz lgritz added build / testing / port / CI Affecting the build system, tests, platform support, porting, or continuous integration. llvm Needs LLVM knowledge labels May 8, 2024
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build: llvm 18 compat issue - include libclangAPINotes lgritz/OpenShadingLanguage
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@lgritz @etsach