I just sent a patch. Can you try it? Alex
On Mon, 14 Nov 2022 at 13:17, Alexander Kanavin via lists.openembedded.org <alex.kanavin=gmail....@lists.openembedded.org> wrote: > > Okay, I figured out what is happening here. There are two issues: > > 1. llvm-config is placed into the target sysroot (by mesa recipe), > without adjusting rpath to point to the native sysroot. This may work > if native and target are both x86, but will fail if they are not, or > if the native and target use different libdir paths (e.g. lib and > lib64). It needs to be able to find libraries from the native sysroot. > > 2. llvm-config hardcodes the lib location inside of itself to > lib+LLVM_LIBDIR_SUFFIX. This one is harder to solve, as llvm-config > should be built once, and must be reusable between target builds, even > if those builds have different lib suffixes. What we can do is adjust > llvm-config wrapper (one in crossscripts) to have more special-cases. > Maybe this will even make installing llvm-config native binary into > target bindir unnecessary. > > I'll try to come up with a patchset. > > Alex > > On Mon, 14 Nov 2022 at 01:40, Vincent Davis Jr <vi...@underview.tech> wrote: > > > > To answer second question. When you don't include > > > > EXTRA_OECMAKE:append:class-native = "\ > > -DLLVM_LIBDIR_SUFFIX=64 \ > > " > > > > meson configure fails with > > .... > > .... > > .... > > | llvm-config found: YES > > (/../../../../../../../../tmp/work/amd64-northstar-linux/mesa/2_22.2.2-r0/recipe-sysroot/usr/bin/crossscripts/llvm-config15.0.1) > > 15.0.1 > > | Run-time dependency LLVM (modules: amdgpu, asmparser, bitreader, > > bitwriter, core, engine, executionengine, instcombine, ipo, mcdisassembler, > > mcjit, native, scalaropts, transformutils, coroutines) found: NO (tried > > cmake and config-tool) > > | Building fallback subproject with default_library=shared > > | > > | ../mesa-22.2.2/meson.build:1783:2: ERROR: Neither a subproject directory > > nor a llvm.wrap file was found. > > | > > | A full log can be found at > > /../../.../../../../../../../tmp/work/amd64-northstar-linux/mesa/2_22.2.2-r0/build/meson-logs/meson-log.txt > > .... > > .... > > .... > > > > Now if you > > > > $ cat < > > /../../.../../../../../../../tmp/work/amd64-northstar-linux/mesa/2_22.2.2-r0/build/meson-logs/meson-log.txt > > > > You see > > > > llvm-config found: YES > > (/../../.../../../../../../../tmp/work/amd64-northstar-linux/mesa/2_22.2.2-r0/recipe-sysroot/usr/bin/crossscripts/llvm-config15.0.1) > > 15.0.1 > > llvm-config --shared-mode returned an error > > Run-time dependency LLVM (modules: amdgpu, asmparser, bitreader, bitwriter, > > core, engine, executionengine, instcombine, ipo, mcdisassembler, mcjit, > > native, scalaropts, transformutils, coroutines) found: NO (tried cmake and > > config-tool) > > > > Now run llvm-config --shared-mode directly you see > > > > $ llvm-config --shared-mode > > llvm-config: error: component libraries and shared library > > .... > > .... > > .... > > .... > > llvm-config: error: missing: > > /../../.../../../../../../../tmp/work/amd64-northstar-linux/mesa/2_22.2.2-r0/recipe-sysroot/usr/lib/libLLVMMCParser.a > > llvm-config: error: missing: > > /../../.../../../../../../../tmp/work/amd64-northstar-linux/mesa/2_22.2.2-r0/recipe-sysroot/usr/lib/libLLVMTextAPI.a > > llvm-config: error: missing: > > /../../.../../../../../../../tmp/work/amd64-northstar-linux/mesa/2_22.2.2-r0/recipe-sysroot/usr/lib/libLLVMObject.a > > llvm-config: error: missing: > > /../../.../../../../../../../tmp/work/amd64-northstar-linux/mesa/2_22.2.2-r0/recipe-sysroot/usr/lib/libLLVMDebugInfoDWARF.a > > llvm-config: error: missing: > > /../../.../../../../../../../tmp/work/amd64-northstar-linux/mesa/2_22.2.2-r0/recipe-sysroot/usr/lib/libLLVMDebugInfoMSF.a > > llvm-config: error: missing: > > /../../.../../../../../../../tmp/work/amd64-northstar-linux/mesa/2_22.2.2-r0/recipe-sysroot/usr/lib/libLLVMDebugInfoPDB.a > > .... > > .... > > .... > > .... > > > > > > ../mesa/2_22.2.2-r0/mesa-22.2.2# llvm-config --libdir > > /../../.../../../../../../../tmp/work/amd64-northstar-linux/mesa/2_22.2.2-r0/recipe-sysroot/usr/lib > > > > ../mesa/2_22.2.2-r0/mesa-22.2.2# ls > > /../../.../../../../../../../tmp/work/amd64-northstar-linux/mesa/2_22.2.2-r0/recipe-sysroot/usr > > bin include lib64 share > > > > That folder doesn't exists for me. > > > > Also another false statement on my end its llvm-config that hard sets > > directory where to load libs. > > mesa never calls llvm-config --libdir. > > > > > > >
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