[libc-commits] [libc] [libc][complex] add cfloat16 and cfloat128 compiler flags (PR #121140)

Wed Dec 25 23:22:52 PST 2024

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `libc-riscv64-debian-fullbuild-dbg` running on `libc-riscv64-debian` while building `libc` at step 4 "annotate".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/183/builds/7952

<details>
<summary>Here is the relevant piece of the build log for the reference</summary>

```
Step 4 (annotate) failure: 'python ../llvm-zorg/zorg/buildbot/builders/annotated/libc-linux.py ...' (failure)
...
    yield
  File "/home/libc_worker/libc-riscv64-debian/libc-riscv64-debian-fullbuild-dbg/build/../llvm-zorg/zorg/buildbot/builders/annotated/libc-linux.py", line 118, in main
    run_command(['cmake', os.path.join(source_dir, cmake_root)] + cmake_args)
  File "/home/libc_worker/libc-riscv64-debian/libc-riscv64-debian-fullbuild-dbg/build/../llvm-zorg/zorg/buildbot/builders/annotated/libc-linux.py", line 179, in run_command
    util.report_run_cmd(cmd, cwd=directory)
  File "/home/libc_worker/libc-riscv64-debian/libc-riscv64-debian-fullbuild-dbg/llvm-zorg/zorg/buildbot/builders/annotated/util.py", line 49, in report_run_cmd
    subprocess.check_call(cmd, shell=shell, *args, **kwargs)
  File "/usr/lib/python3.10/subprocess.py", line 369, in check_call
    raise CalledProcessError(retcode, cmd)
subprocess.CalledProcessError: Command '['cmake', '../llvm-project/runtimes', '-GNinja', '-DCMAKE_C_COMPILER=clang', '-DCMAKE_CXX_COMPILER=clang++', '-DCMAKE_BUILD_TYPE=Debug', '-DLLVM_ENABLE_RUNTIMES=libc', '-DLLVM_LIBC_FULL_BUILD=ON']' returned non-zero exit status 1.
@@@STEP_FAILURE@@@
@@@BUILD_STEP build libc@@@
Running: ninja libc
[0/1] Re-running CMake...
-- Performing standalone runtimes build.
-- Could NOT find LLVM (missing: LLVM_DIR)
-- Could NOT find Clang (missing: Clang_DIR)
-- LLVM host triple: riscv64-unknown-linux-gnu
-- LLVM default target triple: riscv64-unknown-linux-gnu
-- Integration test for hdrgen added.
-- Setting LIBC_NAMESPACE namespace to '__llvm_libc_20_0_0_git'
-- Set COMPILER_RESOURCE_DIR to /usr/lib/llvm-13/lib/clang/13.0.1 using --print-resource-dir
-- Building libc for riscv on linux with
        LIBC_COMPILE_OPTIONS_DEFAULT: 
-- LIBC_CONF_ENABLE_STRONG_STACK_PROTECTOR: ON
-- LIBC_CONF_KEEP_FRAME_POINTER: ON
-- LIBC_CONF_ERRNO_MODE: LIBC_ERRNO_MODE_DEFAULT
-- LIBC_ADD_NULL_CHECKS: ON
-- LIBC_CONF_FREXP_INF_NAN_EXPONENT: 
-- LIBC_CONF_MATH_OPTIMIZATIONS: 0
-- LIBC_CONF_PRINTF_DISABLE_FIXED_POINT: OFF
-- LIBC_CONF_PRINTF_DISABLE_FLOAT: OFF
-- LIBC_CONF_PRINTF_DISABLE_INDEX_MODE: OFF
-- LIBC_CONF_PRINTF_DISABLE_STRERROR: OFF
-- LIBC_CONF_PRINTF_DISABLE_WRITE_INT: OFF
-- LIBC_CONF_PRINTF_FLOAT_TO_STR_NO_SPECIALIZE_LD: OFF
-- LIBC_CONF_PRINTF_FLOAT_TO_STR_USE_DYADIC_FLOAT: OFF
-- LIBC_CONF_PRINTF_FLOAT_TO_STR_USE_MEGA_LONG_DOUBLE_TABLE: OFF
-- LIBC_CONF_RAW_MUTEX_DEFAULT_SPIN_COUNT: 100
-- LIBC_CONF_RWLOCK_DEFAULT_SPIN_COUNT: 100
-- LIBC_CONF_TIMEOUT_ENSURE_MONOTONICITY: ON
-- LIBC_CONF_QSORT_IMPL: LIBC_QSORT_QUICK_SORT
-- LIBC_CONF_SCANF_DISABLE_FLOAT: OFF
-- LIBC_CONF_SCANF_DISABLE_INDEX_MODE: OFF
-- LIBC_CONF_SETJMP_AARCH64_RESTORE_PLATFORM_REGISTER: ON
-- LIBC_CONF_MEMSET_X86_USE_SOFTWARE_PREFETCHING: OFF
-- LIBC_CONF_STRING_UNSAFE_WIDE_READ: OFF
-- LIBC_CONF_TIME_64BIT: OFF
-- Writing config doc to /home/libc_worker/libc-riscv64-debian/libc-riscv64-debian-fullbuild-dbg/llvm-project/libc/docs/configure.rst
-- Set CPU features: 
Step 5 (cmake) failure: cmake (failure)
...
        LIBC_COMPILE_OPTIONS_DEFAULT: 
-- LIBC_CONF_ENABLE_STRONG_STACK_PROTECTOR: ON
-- LIBC_CONF_KEEP_FRAME_POINTER: ON
-- LIBC_CONF_ERRNO_MODE: LIBC_ERRNO_MODE_DEFAULT
-- LIBC_ADD_NULL_CHECKS: ON
-- LIBC_CONF_FREXP_INF_NAN_EXPONENT: 
-- LIBC_CONF_MATH_OPTIMIZATIONS: 0
-- LIBC_CONF_PRINTF_DISABLE_FIXED_POINT: OFF
-- LIBC_CONF_PRINTF_DISABLE_FLOAT: OFF
-- LIBC_CONF_PRINTF_DISABLE_INDEX_MODE: OFF
-- LIBC_CONF_PRINTF_DISABLE_STRERROR: OFF
-- LIBC_CONF_PRINTF_DISABLE_WRITE_INT: OFF
-- LIBC_CONF_PRINTF_FLOAT_TO_STR_NO_SPECIALIZE_LD: OFF
-- LIBC_CONF_PRINTF_FLOAT_TO_STR_USE_DYADIC_FLOAT: OFF
-- LIBC_CONF_PRINTF_FLOAT_TO_STR_USE_MEGA_LONG_DOUBLE_TABLE: OFF
-- LIBC_CONF_RAW_MUTEX_DEFAULT_SPIN_COUNT: 100
-- LIBC_CONF_RWLOCK_DEFAULT_SPIN_COUNT: 100
-- LIBC_CONF_TIMEOUT_ENSURE_MONOTONICITY: ON
-- LIBC_CONF_QSORT_IMPL: LIBC_QSORT_QUICK_SORT
-- LIBC_CONF_SCANF_DISABLE_FLOAT: OFF
-- LIBC_CONF_SCANF_DISABLE_INDEX_MODE: OFF
-- LIBC_CONF_SETJMP_AARCH64_RESTORE_PLATFORM_REGISTER: ON
-- LIBC_CONF_MEMSET_X86_USE_SOFTWARE_PREFETCHING: OFF
-- LIBC_CONF_STRING_UNSAFE_WIDE_READ: OFF
-- LIBC_CONF_TIME_64BIT: OFF
-- Writing config doc to /home/libc_worker/libc-riscv64-debian/libc-riscv64-debian-fullbuild-dbg/llvm-project/libc/docs/configure.rst
-- Set CPU features:
-- Compiler features available: builtin_fmax_fmin;cfloat128;float128
CMake Error at /home/libc_worker/libc-riscv64-debian/libc-riscv64-debian-fullbuild-dbg/llvm-project/libc/config/linux/riscv/entrypoints.txt:635:
  Parse error.  Expected a command name, got unquoted argument with text
  "libc.src.math.canonicalizef128".
Call Stack (most recent call first):
  /home/libc_worker/libc-riscv64-debian/libc-riscv64-debian-fullbuild-dbg/llvm-project/libc/CMakeLists.txt:343 (include)
-- Configuring incomplete, errors occurred!
See also "/home/libc_worker/libc-riscv64-debian/libc-riscv64-debian-fullbuild-dbg/build/CMakeFiles/CMakeOutput.log".
See also "/home/libc_worker/libc-riscv64-debian/libc-riscv64-debian-fullbuild-dbg/build/CMakeFiles/CMakeError.log".
['cmake', '../llvm-project/runtimes', '-GNinja', '-DCMAKE_C_COMPILER=clang', '-DCMAKE_CXX_COMPILER=clang++', '-DCMAKE_BUILD_TYPE=Debug', '-DLLVM_ENABLE_RUNTIMES=libc', '-DLLVM_LIBC_FULL_BUILD=ON'] exited with return code 1.
The build step threw an exception...
Traceback (most recent call last):
  File "/home/libc_worker/libc-riscv64-debian/libc-riscv64-debian-fullbuild-dbg/build/../llvm-zorg/zorg/buildbot/builders/annotated/libc-linux.py", line 164, in step
    yield
  File "/home/libc_worker/libc-riscv64-debian/libc-riscv64-debian-fullbuild-dbg/build/../llvm-zorg/zorg/buildbot/builders/annotated/libc-linux.py", line 118, in main
    run_command(['cmake', os.path.join(source_dir, cmake_root)] + cmake_args)
  File "/home/libc_worker/libc-riscv64-debian/libc-riscv64-debian-fullbuild-dbg/build/../llvm-zorg/zorg/buildbot/builders/annotated/libc-linux.py", line 179, in run_command
    util.report_run_cmd(cmd, cwd=directory)
  File "/home/libc_worker/libc-riscv64-debian/libc-riscv64-debian-fullbuild-dbg/llvm-zorg/zorg/buildbot/builders/annotated/util.py", line 49, in report_run_cmd
    subprocess.check_call(cmd, shell=shell, *args, **kwargs)
  File "/usr/lib/python3.10/subprocess.py", line 369, in check_call
    raise CalledProcessError(retcode, cmd)
subprocess.CalledProcessError: Command '['cmake', '../llvm-project/runtimes', '-GNinja', '-DCMAKE_C_COMPILER=clang', '-DCMAKE_CXX_COMPILER=clang++', '-DCMAKE_BUILD_TYPE=Debug', '-DLLVM_ENABLE_RUNTIMES=libc', '-DLLVM_LIBC_FULL_BUILD=ON']' returned non-zero exit status 1.

```

</details>

https://github.com/llvm/llvm-project/pull/121140