yeah, debug info is still in there... llvm-ar: ELF 64-bit LSB shared object, x86-64, version 1 (GNU/Linux), dynamically linked, interpreter /lib64/ld-linux-x86-64.so.2, for GNU/Linux 3.2.0, BuildID[sha1]=c2ad3e2441ef2e4afd449627cc6a22d4b256f450, with debug_info, not stripped
Is this supposed to happen? On Tuesday, December 18, 2018 at 12:55:13 AM UTC+1, Benedikt T wrote: > > Hi! > > it's kind of odd. Using gcc for compilation leads to this error during > compilation: > tools/lto/CMakeFiles/LTO.dir/build.make:278: recipe for target > 'lib/libLTO.so.8svn' failed > make[2]: *** [lib/libLTO.so.8svn] Error 1 > make[2]: *** Deleting file 'lib/libLTO.so.8svn' > CMakeFiles/Makefile2:20689: recipe for target > 'tools/lto/CMakeFiles/LTO.dir/all' failed > make[1]: *** [tools/lto/CMakeFiles/LTO.dir/all] Error 2 > Makefile:149: recipe for target 'all' failed > make: *** [all] Error 2 > > This seems to be related to this: > https://groups.google.com/forum/#!topic/llvm-dev/KH3DHQo0A38 > > Does setting those flags disable the -DCMAKE_BUILD_TYPE=Release > -DLLVM_USE_LINKER=gold flags? It seems the built files are quite large... > (hinting at additional debug info) > > On Monday, December 17, 2018 at 4:20:07 PM UTC+1, Than McIntosh wrote: >> >> >> Thanks for reporting this problem. >> >> As Ian said, one of the go library sources includes <cpuid.h>, and then >> expects to see an inline definition of that routine. >> >> I poked around a little and it looks as though versions of clang prior to >> 5.0 do provide a definition of <cpuid.h>, but they don't >> define __get_cpuid_count -- that seems to have been added later in this >> commit >> <https://github.com/llvm-mirror/clang/commit/723acf9205420108ade64c216de7ca30181c7877> >> . >> >> Do you have a later version of clang that you could use as your build >> compiler (5.0 later)? Or could you use GCC instead? Either of these should >> take care of this problem. In you cmake invocation you'll want to use >> >> cmake ... >> -DCMAKE_ASM_COMPILER=/usr/bin/gcc \ >> -DCMAKE_CXX_COMPILER=/usr/bin/g++ \ >> -DCMAKE_C_COMPILER=/usr/bin/gcc \ >> >> Or equivalent. >> >> I will add a note to the FAQ on this, since others may also run into it. >> >> Thanks, Than >> >> >> >> >> >> >> >> On Sun, Dec 16, 2018 at 7:17 PM Ian Lance Taylor <ia...@golang.org> >> wrote: >> >>> [ + thanm ] >>> >>> On Sat, Dec 15, 2018 at 6:56 AM <ben...@gmail.com> wrote: >>> > >>> > I'm trying to use the current gollvm build, but it seems there is a >>> symbol error. Probably that symbol is absent in the libgo release? >>> > Anyone had a similar problem or an idea how I can fix that? >>> >>> The libgo sources expect __get_cpuid_count to be defined by the >>> compiler intrinsics header <cpuid.h>. This is true for GCC. The >>> reference to the symbol is in libgo/go/internal/cpu/cpu_gccgo.c. >>> >>> Than: does the LLVM version of <cpuid.h> define __get_cpuid_count? If >>> not, I guess we need to tweak cpu_gccgo.c. >>> >>> Ian >>> >> -- You received this message because you are subscribed to the Google Groups "golang-nuts" group. To unsubscribe from this group and stop receiving emails from it, send an email to golang-nuts+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
