[gdal-dev] FW: [External] : GDAL 3.8.4 build on windows failed at linking

[Even Rouault]

Hi,

possibly already fixed in master with commit 
https://github.com/OSGeo/gdal/commit/849226ce1a9

Even

Le 14/03/2024 à 16:47, Fengting Chen a écrit :
>
> After upgrading the windows build environment to VS2022, I got the 
> following linker error:
>
> vsidataio.obj : error LNK2005: "void __cdecl jpeg_vsiio_src(struct 
> jpeg_decompress_struct *,struct VSIVirtualHandle *)" 
> (?jpeg_vsiio_src@@YAXPEAUjpeg_decompress_struct@@PEAUVSIVirtualHandle@@@Z) 
> already defined in vsidataio.obj [C:\fechen\gdal-3.8.4\build\GDAL.vcxproj]
>
> vsidataio.obj : error LNK2005: "void __cdecl jpeg_vsiio_dest(struct 
> jpeg_compress_struct *,struct VSIVirtualHandle *)" 
> (?jpeg_vsiio_dest@@YAXPEAUjpeg_compress_struct@@PEAUVSIVirtualHandle@@@Z) 
> already defined in vsidataio.obj [C:\fechen\gdal-3.8.4\build\GDAL.vcxproj]
>
> Creating library C:/fechen/gdal-3.8.4/build/Debug/gdald.lib and object 
> C:/fechen/gdal-3.8.4/build/Debug/gdald.exp
>
> C:\fechen\gdal-3.8.4\build\Debug\gdald.dll : fatal error LNK1169: one 
> or more multiply defined symbols found 
> [C:\fechen\gdal-3.8.4\build\GDAL.vcxproj]
>
> I set “GDAL_USE_JPEG_INTERNAL”  with “ON”. Any suggestions?
>
> Thanks!
>
> *From: *Even Rouault <even.rouault at spatialys.com>
> *Date: *Tuesday, March 12, 2024 at 12:56 PM
> *To: *Fengting Chen <fengting.chen at oracle.com>, 
> gdal-dev at lists.osgeo.org <gdal-dev at lists.osgeo.org>
> *Subject: *Re: [gdal-dev] FW: [External] : GDAL 3.8.4 build on windows 
> failed at linking
>
> Not the answer you'll probably want to hear, but:
>
> - Use an up-to-date compiler
>
> - Use package distributions like vcpkg or conda-forge that already 
> brings all the dependencies "for free"
>
> - It seems you mix builds of different compilers (VS vs mingw). That's 
> a bit asking for troubles ;-)
>
> Le 12/03/2024 à 17:48, Fengting Chen via gdal-dev a écrit :
>
>     Resend with more information:
>
>     I am trying to build GDAL 3.8.4 on windows under VS2015. The build
>     failed at linking stage that a bunch of external symbols not
>     found, specifically the symbols in libproj, libcurl. I checked the
>     dll library stub .lib for libproj and libcurl using “dumpbin” and
>     found the symbols in the library a little different, for example
>     the linker error shows “__imp__curl_slist_append” not found, the
>     symbol output from the “dumpbin” is  “__imp_curl_slist_append” .
>
>     Any idea how to fix this?
>
>     Thanks!
>
>     *From: *gdal-dev <gdal-dev-bounces at lists.osgeo.org>
>     <mailto:gdal-dev-bounces at lists.osgeo.org> on behalf of Fengting
>     Chen via gdal-dev <gdal-dev at lists.osgeo.org>
>     <mailto:gdal-dev at lists.osgeo.org>
>     *Date: *Monday, March 11, 2024 at 4:50 PM
>     *To: *gdal-dev at lists.osgeo.org <gdal-dev at lists.osgeo.org>
>     <mailto:gdal-dev at lists.osgeo.org>
>     *Subject: *[External] : [gdal-dev] GDAL 3.8.4 build on windows
>     failed at linking
>
>     GDAL 3.8.4 build on Windows from VS2015 x64 command prompt: “cmake
>     –build .” throws the following error (there are more similar errors):
>
>     cpl_vsil_az.obj : error LNK2001: unresolved external symbol
>     __imp__curl_slist_append [E:\gdal-3.8.4\build\GDAL.vcxproj]
>
>     cmake options has:
>
>     set (GDAL_USE_CURL                ON   CACHE  BOOL "" FORCE)
>
>     set (CURL_INCLUDE_DIR "E:/SDK/curl-8.6.0_1-win64-mingw/include"
>     CACHE PATH "" FORCE)
>
>     set (CURL_LIBRARY_RELEASE
>     "E:/SDK/curl-8.6.0_1-win64-mingw/bin/libcurl-x64.lib" CACHE
>     FILEPATH "" FORCE)
>
>     libcurl-x64.lib is the DLL stub. Using dumpbin on libcurl-x64.lib
>     shows that “__imp_curl_slist_append” is available. But the linker
>     error is “__imp__curl_slist_append” not found. There is an extra
>     “_” in it.
>
>     Any idea why this error occurred?
>
>     Thanks!
>
>
>
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