Julian Elischer wrote: > I would really like ot get some pointers as to who are our tools > committers at the moment, in particular who might know about these issues. > The main issue for me at the moment is the ability to compile the > aesni code in Samba from clang.. > > Julian > > > On 20/7/18 7:32 pm, Julian Elischer wrote: >> compiling our samba with gcc 4.2.1 in 12 gave us some off behaviour >> when lld became the linker I think.. >> >> 1/ linking needed some directories added to some of the build >> scripts because previously apparently it looked in $SYSROOT/usr/lib >> by default and now it doesn't. >> >> 2/ compiling our samba produces a libtdb.so that has various symbols >> in it, (according to nm(1) ), but when we try link against it we get >> complaints about those symbols not being defined. >> >> 3/ an attempt to switch to using clang to compile everything leads to: >> >> >> "--aes-accel=intelaesni selected and compiler rejects -Wp,-E,-lang-asm. >> >> One wonders whether there is a clang equivalent of "-Wp,-E,-lang-asm" >> >> The AES acceleration is a configure option for the samba package. >> >> Apparently turning it on requires -Wp,-E,-lang-asm. >> >> which apparently gcc 4.2.1 has, but clang doesn't have. >> >> FreeBSD clang version 6.0.1 (tags/RELEASE_601/final 335540) (based >> on LLVM 6.0.1) >> Target: x86_64-unknown-freebsd12.0 >> Thread model: posix >> InstalledDir: /usr/bin >> >> anyone know if there is a clang equivalent of -Wp, -E,-lang-asm? In later GCC versions the cpp's -lang-asm seems to be deprecated in favor of -x assembler-with-cpp as it conflicts with -l option. Could you try changing the -Wp,-E,-lang-asm to -Wp,-E,-xassembler-with-cpp? >> possible work arrounds include: >> >> 1/ Get gcc/lld to produce a library from which lld can find the symbols >> >> 2/ find a way to compile this with clang but everything else with gcc? >> >> 3/ find a way to allow clang to use >> -Wp,-E,-lang-asm >> >> whatever that means >> >> >> Thoughts from any tools people?Received on Sat Jul 21 2018 - 13:16:49 UTC
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