/usr/bin/ld.gold: error: cannot find -ligdgmm

[cmsanta]

csanta@galathea:/linux-graphics/opencl/workspace/neo/build$ make
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/usr/bin/ld.gold: error: cannot find -ligdgmm
collect2: error: ld returned 1 exit status
make[2]: *** [igdrcl_lib_release/CMakeFiles/igdrcl_dll.dir/build.make:3124: bin/libigdrcl.so] Error 1
make[1]: *** [CMakeFiles/Makefile2:4945: igdrcl_lib_release/CMakeFiles/igdrcl_dll.dir/all] Error 2
make: *** [Makefile:156: all] Error 2
csanta@galathea:/linux-graphics/opencl/workspace/neo/build$ ls /usr/local/lib/
igc libiga64.so.1.0.1 libigc.so.1.0.1 libigdfcl.so.1.0.1 libigdgmm.so.12.3.0 python3.10
libiga64.so libigc.so libigdfcl.so libigdgmm.so libopencl-clang.so.14 x86_64-linux-gnu
libiga64.so.1 libigc.so.1 libigdfcl.so.1 libigdgmm.so.12 pkgconfig
csanta@galathea:~/linux-graphics/opencl/workspace/neo/build$

[cmsanta]

the build system can't seem to find igdgmm library when linking even though it's under /usr/local/lib directory

Does the build need to know about this library with pkconfig? if so, how can I do that?

[cmsanta]

CMakeCache.txt

[JablonskiMateusz]

hi @cmsanta
please try refreshing dynamic linker sudo ldconfig
if it doesn't help then please get cmdline from linking libigdrcl.so and verify if path is correct

[chao-camect]

ldconfig doesn't help. This is new in 24.13.29138.7. Was fine in the previous release.

[eero-t]

ldconfig doesn't help. This is new in 24.13.29138.7. Was fine in the previous release.

Does ldconfig -v list the library?

And if not, is that path in your ldconfig configuration?
head /etc/ld.so.conf /etc/ld.so.conf.d/*

[chao-camect]

I have the same issue. It's the same for 24.22.29735.20.
the so is in ldconfig -v

[mikamiel]

The problem is that in Ubuntu 24.04 (at least) ld.gold linker is not informed about search path /usr/local/lib (gmmlib library build script installs libigdgmm.so in that dir by default).
I didn't find a way to add search path to ld.gold linker in Ubuntu globally or through env variables.

So, to workaround just copy or link file libigdgmm.so into /usr/lib folder.