riscv64-linux-gnu

[LinuxUserGD]

Host system: x86_64-gentoo-linux-musl

-- Found ccache /usr/bin/ccache
-- Configuring zig version 0.10.0-dev.2931+bdf3fa12f
-- Configuring done
-- Generating done
-- Build files have been written to: /home/user/zig-bootstrap/out/build-zig-host
[  1%] Built target opt_c_util
[ 82%] Built target embedded_softfloat
[ 86%] Built target zigcpp
[ 98%] Built target zigstage1
[ 99%] Built target zig0
[100%] Built target zig
Install the project...
-- Install configuration: "Release"
-- Installing: /home/user/zig-bootstrap/out/host/bin/zig
-- Set runtime path of "/home/user/zig-bootstrap/out/host/bin/zig" to ""
-- Installing: /home/user/zig-bootstrap/out/host/lib
CMake Deprecation Warning at CMakeLists.txt:1 (cmake_minimum_required):
  Compatibility with CMake < 2.8.12 will be removed from a future version of
  CMake.

  Update the VERSION argument <min> value or use a ...<max> suffix to tell
  CMake that the project does not need compatibility with older versions.


-- The C compiler identification is Clang 14.0.6
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - failed
-- Check for working C compiler: /home/user/zig-bootstrap/out/host/bin/zig
-- Check for working C compiler: /home/user/zig-bootstrap/out/host/bin/zig - broken
CMake Error at /usr/share/cmake/Modules/CMakeTestCCompiler.cmake:69 (message):
  The C compiler

    "/home/user/zig-bootstrap/out/host/bin/zig"

  is not able to compile a simple test program.

  It fails with the following output:

    Change Dir: /home/user/zig-bootstrap/out/build-zlib-riscv64-linux-gnu-baseline/CMakeFiles/CMakeTmp

    Run Build Command(s):/usr/bin/gmake -f Makefile cmTC_96722/fast && /usr/bin/gmake  -f CMakeFiles/cmTC_96722.dir/build.make CMakeFiles/cmTC_96722.dir/build
    gmake[1]: Entering directory '/home/user/zig-bootstrap/out/build-zlib-riscv64-linux-gnu-baseline/CMakeFiles/CMakeTmp'
    Building C object CMakeFiles/cmTC_96722.dir/testCCompiler.c.o
    /home/user/zig-bootstrap/out/host/bin/zig  cc -fno-sanitize=all -s -target riscv64-linux-gnu -mcpu=baseline    -MD -MT CMakeFiles/cmTC_96722.dir/testCCompiler.c.o -MF CMakeFiles/cmTC_96722.dir/testCCompiler.c.o.d -o CMakeFiles/cmTC_96722.dir/testCCompiler.c.o -c /home/user/zig-bootstrap/out/build-zlib-riscv64-linux-gnu-baseline/CMakeFiles/CMakeTmp/testCCompiler.c
    Linking C executable cmTC_96722
    /usr/bin/cmake -E cmake_link_script CMakeFiles/cmTC_96722.dir/link.txt --verbose=1
    /home/user/zig-bootstrap/out/host/bin/zig  cc -fno-sanitize=all -s -target riscv64-linux-gnu -mcpu=baseline -rdynamic CMakeFiles/cmTC_96722.dir/testCCompiler.c.o -o cmTC_96722
    /home/user/zig-bootstrap/out/host/lib/zig/libc/glibc/sysdeps/riscv/start-2.33.S:48:2: error: unknown directive
     .cfi_label .Ldummy
     ^
    gmake[1]: *** [CMakeFiles/cmTC_96722.dir/build.make:100: cmTC_96722] Error 1
    gmake[1]: Leaving directory '/home/user/zig-bootstrap/out/build-zlib-riscv64-linux-gnu-baseline/CMakeFiles/CMakeTmp'
    gmake: *** [Makefile:127: cmTC_96722/fast] Error 2





  CMake will not be able to correctly generate this project.
Call Stack (most recent call first):
  CMakeLists.txt:4 (project)


-- Configuring incomplete, errors occurred!
See also "/home/user/zig-bootstrap/out/build-zlib-riscv64-linux-gnu-baseline/CMakeFiles/CMakeOutput.log".
See also "/home/user/zig-bootstrap/out/build-zlib-riscv64-linux-gnu-baseline/CMakeFiles/CMakeError.log".

[kassane]

• unable to build glibc for target riscv64-linux-gnu zig#3340

[RossComputerGuy]

With the recent developments, I have been able to get farther than before. generic_rv64 will not work as a package requires something which uses atomic instructions which isn't in the generic set. Though, building for baseline_rv64 works. I'm up to clang at this point and everything is looking good.

[alexrp]

This basically works now if you just comment out that .cfi_label directive. So this can very likely be closed when we upgrade to LLVM 19 which includes llvm/llvm-project#97922. (Same for riscv32-linux-gnu.)