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nmslib / hnswlib

Header-only C++/python library for fast approximate nearest neighbors
https://github.com/nmslib/hnswlib
Apache License 2.0
4.12k stars 609 forks source link

Linking error fix #501

Closed jrade closed 9 months ago

jrade commented 10 months ago

Fixes linking error when compiling with Visual Studio and including hnswlib.h in more than one cpp file.

before: 2>Tools.lib(Pch.obj) : error LNK2005: "void cdecl cpuid(int * const,int,int)" (?cpuid@@YAXQEAHHH@Z) already defined in Pch.obj 2>Tools.lib(NearestNeighbors.obj) : error LNK2005: "void cdecl cpuid(int * const,int,int)" (?cpuid@@YAXQEAHHH@Z) already defined in Pch.obj 2>C:\Users\Rade\Documents\Data Analysis\Code\GenomicsLab Repo\x64\Release\ExpressionDemo.exe : fatal error LNK1169: one or more multiply defined symbols found 2>Done building project "ExpressionDemo.vcxproj" -- FAILED.

after: 2>ExpressionDemo.vcxproj -> C:\Users\Rade\Documents\Data Analysis\Code\GenomicsLab Repo\x64\Release\ExpressionDemo.exe

yurymalkov commented 9 months ago

Thank you, @jrade! Looks good to me. I will merge it after I check and merge the preceding PRs.