Sorry, I should have mentioned that I am running a docker container based on
the latest Ubuntu, and Ubuntu 18.04 as the host.
On April 30, 2020 11:37:15 PM GMT+03:00, Martins Eglitis
<mart...@sitilge.id.lv> wrote:
>Yes,
>
>cc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
>
>
>On April 30, 2020 11:29:07 PM GMT+03:00, Than McIntosh
><th...@google.com> wrote:
>>>>/usr/bin/ld.gold: error:
>>CMakeFiles/cmTC_81c99.dir/CheckSymbolExists.c.o:
>>failed to match split-stack sequence at section 4 offset 0
>>
>>OK, now I think we're getting somewhere, this looks suspicious. For
>>reference, could you please send me the output of "/usr/bin/cc
>>--version"?
>>
>>Thanks, Than
>>
>>
>>
>>
>>On Thu, Apr 30, 2020 at 4:26 PM Martins Eglitis
><mart...@sitilge.id.lv>
>>wrote:
>>
>>> Hi,
>>>
>>> There was something related in "CMakeError.log":
>>>
>>> Determining if the mmap exist failed with the following output:
>>> Change Dir: /home/gopher/workarea/build-debug/CMakeFiles/CMakeTmp
>>>
>>> Run Build Command(s):/usr/bin/ninja cmTC_81c99 && [1/2] Building C
>>object CMakeFiles/cmTC_81c99.dir/CheckSymbolExists.c.o
>>> CheckSymbolExists.c: In function 'main':
>>> CheckSymbolExists.c:8:11: warning: ISO C forbids conversion of
>>function pointer to object pointer type [-Wpedantic]
>>> 8 | return ((int*)(&mmap))[argc];
>>> | ^
>>> [2/2] Linking C executable cmTC_81c99
>>> FAILED: cmTC_81c99
>>> : && /usr/bin/cc -fPIC -Werror=date-time -Wall -Wextra
>>-Wno-unused-parameter -Wwrite-strings -Wno-missing-field-initializers
>>-pedantic -Wno-long-long -Wimplicit-fallthrough -Wno-comment
>>-fdiagnostics-color -ffunction-sections -fdata-sections -fuse-ld=gold
>>-fsplit-stack -fuse-ld=gold -Wl,-allow-shlib-undefined
>>CMakeFiles/cmTC_81c99.dir/CheckSymbolExists.c.o -o cmTC_81c99 -lm &&
>>:
>>> /usr/bin/ld.gold: error:
>>CMakeFiles/cmTC_81c99.dir/CheckSymbolExists.c.o: failed to match
>>split-stack sequence at section 4 offset 0
>>> collect2: error: ld returned 1 exit status
>>> ninja: build stopped: subcommand failed.
>>>
>>>
>>> File
>>/home/gopher/workarea/build-debug/CMakeFiles/CMakeTmp/CheckSymbolExists.c:
>>> /* */
>>> #include <sys/mman.h>
>>>
>>> int main(int argc, char** argv)
>>> {
>>> (void)argv;
>>> #ifndef mmap
>>> return ((int*)(&mmap))[argc];
>>> #else
>>> (void)argc;
>>> return 0;
>>> #endif
>>> }
>>>
>>> On 2020-04-30 20:32, Than McIntosh wrote:
>>>
>>> Thanks for the email.
>>>
>>> Sorry for the delay in responding, this is a very busy time right
>now
>>for
>>> our team (release freeze is happening at the end of this week).
>>>
>>> Just in general, the gollvm build procedure uses "cmake", and as
>part
>>of
>>> this process cmake is running various tests to make sure that the C
>>> compiler you're using works properly, and to detect whether the
>>system you
>>> are building on has the right header files, libraries, etc.
>>>
>>> Of particular concern is the cmake check for "mmap"-- the mmap()
>>routine
>>> is definitely available on Ubuntu, so it's puzzling that cmake
>thinks
>>it
>>> isn't available.
>>>
>>> One thing you might do: after the build fails, try looking at the
>>debris
>>> in the CMakeFiles dir:
>>>
>>> $ ls CMakeFiles
>>> 3.13.4 cmake.check_cache feature_tests.bin src.c
>>> 3.15.4 CMakeError.log feature_tests.c
>>> TargetDirectories.txt
>>> CheckIncludeFiles CMakeOutput.log feature_tests.cxx test.o
>>> CheckTypeSize CMakeTmp simple.cc
>>>
>>> In that dir, look at "CMakeOutput.log" for the place where this test
>>is
>>> run:
>>>
>>> Look for a section that looks like this:
>>>
>>> Determining if the mmap exist passed with the following output:
>>> Change Dir:
>>/tmp/llvm-project/build-relwithdbg/CMakeFiles/CMakeTmp
>>>
>>> Run Build Command:"/usr/local/google/home/thanm/bin/ninja"
>>"cmTC_feb45"
>>> [1/2] Building C object
>>CMakeFiles/cmTC_feb45.dir/CheckSymbolExists.c.o
>>> CheckSymbolExists.c: In function ‘main’:
>>> CheckSymbolExists.c:8:11: warning: ISO C forbids conversion of
>>> function pointer to object pointer type [-Wpedantic]
>>> return ((int*)(&mmap))[argc];
>>> ^
>>> [2/2] Linking C executable cmTC_feb45
>>>
>>> File
>>>
>>/tmp/llvm-project/build-relwithdbg/CMakeFiles/CMakeTmp/CheckSymbolExists.c:
>>> /* */
>>> #include <sys/mman.h>
>>>
>>> int main(int argc, char** argv)
>>> {
>>> (void)argv;
>>> #ifndef mmap
>>> return ((int*)(&mmap))[argc];
>>> #else
>>> (void)argc;
>>> return 0;
>>> #endif
>>> }
>>>
>>> Are there any clues there perhaps?
>>>
>>> Thanks, Than
>>>
>>>
>>> On Thu, Apr 30, 2020 at 1:05 PM <siti...@gmail.com> wrote:
>>>
>>>> Hi,
>>>>
>>>> I initially opened an issue, but was suggested to post to the
>>mailing
>>>> list instead: https://github.com/golang/go/issues/38728
>>>>
>>>> Build keeps failing when trying to build (Ubuntu Focal Fossa,
>amd64)
>>from
>>>> the latest commit to the master and following the build
>>instructions. Has
>>>> anyone succeeded to build gollvm recently? I am getting errors like
>>this:
>>>>
>>>> -- Could NOT find LibXml2 (missing: LIBXML2_LIBRARY
>>LIBXML2_INCLUDE_DIR)
>>>> -- Native target architecture is X86
>>>> -- Threads enabled.
>>>> -- Doxygen disabled.
>>>> -- Go bindings disabled.
>>>> -- Ninja version: 1.10.0
>>>> -- Could NOT find OCaml (missing: OCAMLFIND OCAML_VERSION
>>OCAML_STDLIB_PATH)
>>>> -- Could NOT find OCaml (missing: OCAMLFIND OCAML_VERSION
>>OCAML_STDLIB_PATH)
>>>> -- OCaml bindings disabled.
>>>> -- LLVM host triple: x86_64-unknown-linux-gnu
>>>> -- LLVM default target triple: x86_64-unknown-linux-gnu
>>>> -- Building with -fPIC
>>>> -- Constructing LLVMBuild project information
>>>> -- Targeting AArch64
>>>> -- Targeting AMDGPU
>>>> -- Targeting ARM
>>>> -- Targeting AVR
>>>> -- Targeting BPF
>>>> -- Targeting Hexagon
>>>> -- Targeting Lanai
>>>> -- Targeting Mips
>>>> -- Targeting MSP430
>>>> -- Targeting NVPTX
>>>> -- Targeting PowerPC
>>>> -- Targeting RISCV
>>>> -- Targeting Sparc
>>>> -- Targeting SystemZ
>>>> -- Targeting WebAssembly
>>>> -- Targeting X86
>>>> -- Targeting XCore
>>>> CMake Error at tools/gollvm/cmake/modules/AddGollvm.cmake:37
>>(message):
>>>> C compiler does not support -fsplit-stack
>>>> Call Stack (most recent call first):
>>>> tools/gollvm/CMakeLists.txt:21 (include)
>>>>
>>>>
>>>> -- starting libgo configuration.
>>>> CMake Error at
>tools/gollvm/cmake/modules/LibbacktraceUtils.cmake:19
>>(message):
>>>> Support for mmap() is required -- setup failed.
>>>> Call Stack (most recent call first):
>>>> tools/gollvm/libgo/CMakeLists.txt:45 (setup_libbacktrace)
>>>>
>>>>
>>>> CMake Error at tools/gollvm/cmake/modules/LibffiUtils.cmake:27
>>(message):
>>>> Support for mmap() is required -- setup failed.
>>>> Call Stack (most recent call first):
>>>> tools/gollvm/libgo/CMakeLists.txt:49 (setup_libffi)
>>>>
>>>>
>>>> -- Libgo: creating stdlib package targets
>>>> -- Libgo: generating check targets
>>>> -- libgo configuration complete.
>>>> -- starting gotools configuration.
>>>> -- gotools: generating check targets
>>>> -- gotools configuration complete.
>>>> -- Registering Bye as a pass plugin (static build: OFF)
>>>> -- Failed to find LLVM FileCheck
>>>> -- Version: 0.0.0
>>>> -- Performing Test HAVE_GNU_POSIX_REGEX -- failed to compile
>>>> -- Performing Test HAVE_POSIX_REGEX -- success
>>>> -- Performing Test HAVE_STEADY_CLOCK -- success
>>>> -- Configuring incomplete, errors occurred!
>>>> See also
>>"/home/gopher/workarea/build-debug/CMakeFiles/CMakeOutput.log".
>>>> See also
>>"/home/gopher/workarea/build-debug/CMakeFiles/CMakeError.log".
>>>> ninja: error: loading 'build.ninja': No such file or directory
>>>>
>>>>
>>>>
>>>> --
>>>> 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.
>>>> To view this discussion on the web visit
>>>>
>>https://groups.google.com/d/msgid/golang-nuts/cdb72cf2-2fe2-4f44-87fb-5cc2058dd58a%40googlegroups.com
>>>>
>><https://groups.google.com/d/msgid/golang-nuts/cdb72cf2-2fe2-4f44-87fb-5cc2058dd58a%40googlegroups.com?utm_medium=email&utm_source=footer>
>>>> .
>>>>
>>> --
>>> Best regards,
>>> Martins Eglitis
>>>
>>>
>
>--
>Sent from my Android device with K-9 Mail. Please excuse my brevity.
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