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.roua...@spatialys.com>
*Date: *Tuesday, March 12, 2024 at 12:56 PM
*To: *Fengting Chen <fengting.c...@oracle.com>,
gdal-dev@lists.osgeo.org <gdal-dev@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-boun...@lists.osgeo.org>
<mailto:gdal-dev-boun...@lists.osgeo.org> on behalf of Fengting
Chen via gdal-dev <gdal-dev@lists.osgeo.org>
<mailto:gdal-dev@lists.osgeo.org>
*Date: *Monday, March 11, 2024 at 4:50 PM
*To: *gdal-dev@lists.osgeo.org <gdal-dev@lists.osgeo.org>
<mailto:gdal-dev@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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