when using pip install cysignals====1.10.2, it shows:
Collecting cysignals==1.10.2
Using cached cysignals-1.10.2.tar.gz (95 kB)
Installing build dependencies ... done
Getting requirements to build wheel ... done
Installing backend dependencies ... done
Preparing metadata (pyproject.toml) ... done
Requirement already satisfied: Cython>=0.28 in /home/scott/miniconda3/envs/MCMTpy/lib/python3.8/site-packages (from cysignals==1.10.2) (3.0.9)
Building wheels for collected packages: cysignals
Building wheel for cysignals (pyproject.toml) ... error
error: subprocess-exited-with-error
× Building wheel for cysignals (pyproject.toml) did not run successfully.
│ exit code: 1
╰─> [162 lines of output]
running bdist_wheel
running build
make: 'configure' is up to date.
checking for gcc... gcc
checking whether the C compiler works... yes
checking for C compiler default output file name... a.out
checking for suffix of executables...
checking whether we are cross compiling... no
checking for suffix of object files... o
checking whether we are using the GNU C compiler... yes
checking whether gcc accepts -g... yes
checking for gcc option to accept ISO C89... none needed
checking whether we are using the GNU C++ compiler... yes
checking whether gcc accepts -g... yes
checking how to run the C preprocessor... gcc -E
checking for grep that handles long lines and -e... /usr/bin/grep
checking for egrep... /usr/bin/grep -E
checking for ANSI C header files... yes
checking for sys/types.h... yes
checking for sys/stat.h... yes
checking for stdlib.h... yes
checking for string.h... yes
checking for memory.h... yes
checking for strings.h... yes
checking for inttypes.h... yes
checking for stdint.h... yes
checking for unistd.h... yes
checking execinfo.h usability... yes
checking execinfo.h presence... yes
checking for execinfo.h... yes
checking sys/mman.h usability... yes
checking sys/mman.h presence... yes
checking for sys/mman.h... yes
checking sys/prctl.h usability... yes
checking sys/prctl.h presence... yes
checking for sys/prctl.h... yes
checking sys/time.h usability... yes
checking sys/time.h presence... yes
checking for sys/time.h... yes
checking sys/wait.h usability... yes
checking sys/wait.h presence... yes
checking for sys/wait.h... yes
checking windows.h usability... no
checking windows.h presence... no
checking for windows.h... no
checking for fork... yes
checking for kill... yes
checking for sigprocmask... yes
checking for sigaltstack... yes
checking for backtrace... yes
checking for library containing pari_init... no
checking for emms instruction... yes
checking whether setjmp() saves the signal mask... no
checking for GNU libc... yes
checking for _Atomic in C code... yes
checking for _Atomic in C++ code... no
checking for std::atomic... yes
configure: creating ./config.status
config.status: creating src/cysignals/signals.pxd
config.status: creating src/config.h
config.status: creating src/cysignals/cysignals_config.h
warning: src/cysignals/signals.pxd:57:56: The keyword 'nogil' should appear at the end of the function signature line. Placing it before 'except' or 'noexcept' will be disallowed in a future version of Cython.
warning: src/cysignals/tests.pyx:280:54: The keyword 'nogil' should appear at the end of the function signature line. Placing it before 'except' or 'noexcept' will be disallowed in a future version of Cython.
warning: src/cysignals/tests.pyx:298:58: The keyword 'nogil' should appear at the end of the function signature line. Placing it before 'except' or 'noexcept' will be disallowed in a future version of Cython.
warning: src/cysignals/signals.pxd:57:56: The keyword 'nogil' should appear at the end of the function signature line. Placing it before 'except' or 'noexcept' will be disallowed in a future version of Cython.
performance hint: src/cysignals/tests.pyx:94:5: Exception check on 'infinite_loop' will always require the GIL to be acquired.
Possible solutions:
Declare 'infinite_loop' as 'noexcept' if you control the definition and you're sure you don't want the function to raise exceptions.
Use an 'int' return type on 'infinite_loop' to allow an error code to be returned.
performance hint: src/cysignals/tests.pyx:101:5: Exception check on 'infinite_malloc_loop' will always require the GIL to be acquired.
Possible solutions:
Declare 'infinite_malloc_loop' as 'noexcept' if you control the definition and you're sure you don't want the function to raise exceptions.
Use an 'int' return type on 'infinite_malloc_loop' to allow an error code to be returned.
performance hint: src/cysignals/tests.pyx:111:5: Exception check on 'dereference_null_pointer' will always require the GIL to be acquired.
Possible solutions:
Declare 'dereference_null_pointer' as 'noexcept' if you control the definition and you're sure you don't want the function to raise exceptions.
Use an 'int' return type on 'dereference_null_pointer' to allow an error code to be returned.
performance hint: src/cysignals/tests.pyx:298:5: Exception check on 'c_test_sig_on_cython_except_all' will always require the GIL to be acquired.
Possible solutions:
Declare 'c_test_sig_on_cython_except_all' as 'noexcept' if you control the definition and you're sure you don't want the function to raise exceptions.
Use an 'int' return type on 'c_test_sig_on_cython_except_all' to allow an error code to be returned.
Error compiling Cython file:
...
"""
cdef pthread_t t1, t2
with nogil:
sig_on()
if pthread_create(&t1, NULL, func_thread_sig_block, NULL):
^
src/cysignals/tests.pyx:1263:37: Cannot assign type 'void (void ) except? NULL nogil' to 'void ()(void *) noexcept nogil'. Exception values are incompatible. Suggest adding 'noexcept' to the type of 'func_thread_sig_block'.
Error compiling Cython file:
...
cdef pthread_t t1, t2
with nogil:
sig_on()
if pthread_create(&t1, NULL, func_thread_sig_block, NULL):
sig_error()
if pthread_create(&t2, NULL, func_thread_sig_block, NULL):
^
src/cysignals/tests.pyx:1265:37: Cannot assign type 'void (void ) except? NULL nogil' to 'void ()(void ) noexcept nogil'. Exception values are incompatible. Suggest adding 'noexcept' to the type of 'func_thread_sig_block'.
Compiling src/cysignals/signals.pyx because it changed.
Compiling src/cysignals/pysignals.pyx because it changed.
Compiling src/cysignals/alarm.pyx because it changed.
Compiling src/cysignals/pselect.pyx because it changed.
Compiling src/cysignals/tests.pyx because it changed.
[1/5] Cythonizing src/cysignals/alarm.pyx
[2/5] Cythonizing src/cysignals/pselect.pyx
[3/5] Cythonizing src/cysignals/pysignals.pyx
[4/5] Cythonizing src/cysignals/signals.pyx
[5/5] Cythonizing src/cysignals/tests.pyx
Traceback (most recent call last):
File "/home/scott/miniconda3/envs/MCMTpy/lib/python3.8/site-packages/pip/_vendor/pyproject_hooks/_in_process/_in_process.py", line 353, in
main()
File "/home/scott/miniconda3/envs/MCMTpy/lib/python3.8/site-packages/pip/_vendor/pyproject_hooks/_in_process/_in_process.py", line 335, in main
json_out['return_val'] = hook(hook_input['kwargs'])
File "/home/scott/miniconda3/envs/MCMTpy/lib/python3.8/site-packages/pip/_vendor/pyproject_hooks/_in_process/_in_process.py", line 251, in build_wheel
return _build_backend().build_wheel(wheel_directory, config_settings,
File "/tmp/pip-build-env-tu6stygy/overlay/lib/python3.8/site-packages/setuptools/build_meta.py", line 410, in build_wheel
return self._build_with_temp_dir(
File "/tmp/pip-build-env-tu6stygy/overlay/lib/python3.8/site-packages/setuptools/build_meta.py", line 395, in _build_with_temp_dir
self.run_setup()
File "/tmp/pip-build-env-tu6stygy/overlay/lib/python3.8/site-packages/setuptools/build_meta.py", line 487, in run_setup
super().run_setup(setup_script=setup_script)
File "/tmp/pip-build-env-tu6stygy/overlay/lib/python3.8/site-packages/setuptools/build_meta.py", line 311, in run_setup
exec(code, locals())
File "", line 132, in
File "/tmp/pip-build-env-tu6stygy/overlay/lib/python3.8/site-packages/setuptools/init.py", line 104, in setup
return distutils.core.setup(attrs)
File "/tmp/pip-build-env-tu6stygy/overlay/lib/python3.8/site-packages/setuptools/_distutils/core.py", line 185, in setup
return run_commands(dist)
File "/tmp/pip-build-env-tu6stygy/overlay/lib/python3.8/site-packages/setuptools/_distutils/core.py", line 201, in run_commands
dist.run_commands()
File "/tmp/pip-build-env-tu6stygy/overlay/lib/python3.8/site-packages/setuptools/_distutils/dist.py", line 969, in run_commands
self.run_command(cmd)
File "/tmp/pip-build-env-tu6stygy/overlay/lib/python3.8/site-packages/setuptools/dist.py", line 967, in run_command
super().run_command(command)
File "/tmp/pip-build-env-tu6stygy/overlay/lib/python3.8/site-packages/setuptools/_distutils/dist.py", line 988, in run_command
cmd_obj.run()
File "/tmp/pip-build-env-tu6stygy/normal/lib/python3.8/site-packages/wheel/bdist_wheel.py", line 368, in run
self.run_command("build")
File "/tmp/pip-build-env-tu6stygy/overlay/lib/python3.8/site-packages/setuptools/_distutils/cmd.py", line 318, in run_command
self.distribution.run_command(command)
File "/tmp/pip-build-env-tu6stygy/overlay/lib/python3.8/site-packages/setuptools/dist.py", line 967, in run_command
super().run_command(command)
File "/tmp/pip-build-env-tu6stygy/overlay/lib/python3.8/site-packages/setuptools/_distutils/dist.py", line 988, in run_command
cmd_obj.run()
File "", line 101, in run
File "", line 113, in cythonize
File "/tmp/pip-build-env-tu6stygy/normal/lib/python3.8/site-packages/Cython/Build/Dependencies.py", line 1154, in cythonize
cythonize_one(args)
File "/tmp/pip-build-env-tu6stygy/normal/lib/python3.8/site-packages/Cython/Build/Dependencies.py", line 1321, in cythonize_one
raise CompileError(None, pyx_file)
Cython.Compiler.Errors.CompileError: src/cysignals/tests.pyx
[end of output]
note: This error originates from a subprocess, and is likely not a problem with pip.
ERROR: Failed building wheel for cysignals
Failed to build cysignals
ERROR: Could not build wheels for cysignals, which is required to install pyproject.toml-based projects
when using pip install cysignals====1.10.2, it shows:
Collecting cysignals==1.10.2 Using cached cysignals-1.10.2.tar.gz (95 kB) Installing build dependencies ... done Getting requirements to build wheel ... done Installing backend dependencies ... done Preparing metadata (pyproject.toml) ... done Requirement already satisfied: Cython>=0.28 in /home/scott/miniconda3/envs/MCMTpy/lib/python3.8/site-packages (from cysignals==1.10.2) (3.0.9) Building wheels for collected packages: cysignals Building wheel for cysignals (pyproject.toml) ... error error: subprocess-exited-with-error
× Building wheel for cysignals (pyproject.toml) did not run successfully. │ exit code: 1 ╰─> [162 lines of output] running bdist_wheel running build make: 'configure' is up to date. checking for gcc... gcc checking whether the C compiler works... yes checking for C compiler default output file name... a.out checking for suffix of executables... checking whether we are cross compiling... no checking for suffix of object files... o checking whether we are using the GNU C compiler... yes checking whether gcc accepts -g... yes checking for gcc option to accept ISO C89... none needed checking whether we are using the GNU C++ compiler... yes checking whether gcc accepts -g... yes checking how to run the C preprocessor... gcc -E checking for grep that handles long lines and -e... /usr/bin/grep checking for egrep... /usr/bin/grep -E checking for ANSI C header files... yes checking for sys/types.h... yes checking for sys/stat.h... yes checking for stdlib.h... yes checking for string.h... yes checking for memory.h... yes checking for strings.h... yes checking for inttypes.h... yes checking for stdint.h... yes checking for unistd.h... yes checking execinfo.h usability... yes checking execinfo.h presence... yes checking for execinfo.h... yes checking sys/mman.h usability... yes checking sys/mman.h presence... yes checking for sys/mman.h... yes checking sys/prctl.h usability... yes checking sys/prctl.h presence... yes checking for sys/prctl.h... yes checking sys/time.h usability... yes checking sys/time.h presence... yes checking for sys/time.h... yes checking sys/wait.h usability... yes checking sys/wait.h presence... yes checking for sys/wait.h... yes checking windows.h usability... no checking windows.h presence... no checking for windows.h... no checking for fork... yes checking for kill... yes checking for sigprocmask... yes checking for sigaltstack... yes checking for backtrace... yes checking for library containing pari_init... no checking for emms instruction... yes checking whether setjmp() saves the signal mask... no checking for GNU libc... yes checking for _Atomic in C code... yes checking for _Atomic in C++ code... no checking for std::atomic... yes configure: creating ./config.status config.status: creating src/cysignals/signals.pxd config.status: creating src/config.h config.status: creating src/cysignals/cysignals_config.h warning: src/cysignals/signals.pxd:57:56: The keyword 'nogil' should appear at the end of the function signature line. Placing it before 'except' or 'noexcept' will be disallowed in a future version of Cython. warning: src/cysignals/tests.pyx:280:54: The keyword 'nogil' should appear at the end of the function signature line. Placing it before 'except' or 'noexcept' will be disallowed in a future version of Cython. warning: src/cysignals/tests.pyx:298:58: The keyword 'nogil' should appear at the end of the function signature line. Placing it before 'except' or 'noexcept' will be disallowed in a future version of Cython. warning: src/cysignals/signals.pxd:57:56: The keyword 'nogil' should appear at the end of the function signature line. Placing it before 'except' or 'noexcept' will be disallowed in a future version of Cython. performance hint: src/cysignals/tests.pyx:94:5: Exception check on 'infinite_loop' will always require the GIL to be acquired. Possible solutions:
Use an 'int' return type on 'c_test_sig_on_cython_except_all' to allow an error code to be returned.
Error compiling Cython file:
...
src/cysignals/tests.pyx:1263:37: Cannot assign type 'void (void ) except? NULL nogil' to 'void ()(void *) noexcept nogil'. Exception values are incompatible. Suggest adding 'noexcept' to the type of 'func_thread_sig_block'.
Error compiling Cython file:
... cdef pthread_t t1, t2 with nogil: sig_on() if pthread_create(&t1, NULL, func_thread_sig_block, NULL): sig_error() if pthread_create(&t2, NULL, func_thread_sig_block, NULL): ^
src/cysignals/tests.pyx:1265:37: Cannot assign type 'void (void ) except? NULL nogil' to 'void ()(void ) noexcept nogil'. Exception values are incompatible. Suggest adding 'noexcept' to the type of 'func_thread_sig_block'. Compiling src/cysignals/signals.pyx because it changed. Compiling src/cysignals/pysignals.pyx because it changed. Compiling src/cysignals/alarm.pyx because it changed. Compiling src/cysignals/pselect.pyx because it changed. Compiling src/cysignals/tests.pyx because it changed. [1/5] Cythonizing src/cysignals/alarm.pyx [2/5] Cythonizing src/cysignals/pselect.pyx [3/5] Cythonizing src/cysignals/pysignals.pyx [4/5] Cythonizing src/cysignals/signals.pyx [5/5] Cythonizing src/cysignals/tests.pyx Traceback (most recent call last): File "/home/scott/miniconda3/envs/MCMTpy/lib/python3.8/site-packages/pip/_vendor/pyproject_hooks/_in_process/_in_process.py", line 353, in
main()
File "/home/scott/miniconda3/envs/MCMTpy/lib/python3.8/site-packages/pip/_vendor/pyproject_hooks/_in_process/_in_process.py", line 335, in main
json_out['return_val'] = hook(hook_input['kwargs'])
File "/home/scott/miniconda3/envs/MCMTpy/lib/python3.8/site-packages/pip/_vendor/pyproject_hooks/_in_process/_in_process.py", line 251, in build_wheel
return _build_backend().build_wheel(wheel_directory, config_settings,
File "/tmp/pip-build-env-tu6stygy/overlay/lib/python3.8/site-packages/setuptools/build_meta.py", line 410, in build_wheel
return self._build_with_temp_dir(
File "/tmp/pip-build-env-tu6stygy/overlay/lib/python3.8/site-packages/setuptools/build_meta.py", line 395, in _build_with_temp_dir
self.run_setup()
File "/tmp/pip-build-env-tu6stygy/overlay/lib/python3.8/site-packages/setuptools/build_meta.py", line 487, in run_setup
super().run_setup(setup_script=setup_script)
File "/tmp/pip-build-env-tu6stygy/overlay/lib/python3.8/site-packages/setuptools/build_meta.py", line 311, in run_setup
exec(code, locals())
File "", line 132, in
File "/tmp/pip-build-env-tu6stygy/overlay/lib/python3.8/site-packages/setuptools/init.py", line 104, in setup
return distutils.core.setup( attrs)
File "/tmp/pip-build-env-tu6stygy/overlay/lib/python3.8/site-packages/setuptools/_distutils/core.py", line 185, in setup
return run_commands(dist)
File "/tmp/pip-build-env-tu6stygy/overlay/lib/python3.8/site-packages/setuptools/_distutils/core.py", line 201, in run_commands
dist.run_commands()
File "/tmp/pip-build-env-tu6stygy/overlay/lib/python3.8/site-packages/setuptools/_distutils/dist.py", line 969, in run_commands
self.run_command(cmd)
File "/tmp/pip-build-env-tu6stygy/overlay/lib/python3.8/site-packages/setuptools/dist.py", line 967, in run_command
super().run_command(command)
File "/tmp/pip-build-env-tu6stygy/overlay/lib/python3.8/site-packages/setuptools/_distutils/dist.py", line 988, in run_command
cmd_obj.run()
File "/tmp/pip-build-env-tu6stygy/normal/lib/python3.8/site-packages/wheel/bdist_wheel.py", line 368, in run
self.run_command("build")
File "/tmp/pip-build-env-tu6stygy/overlay/lib/python3.8/site-packages/setuptools/_distutils/cmd.py", line 318, in run_command
self.distribution.run_command(command)
File "/tmp/pip-build-env-tu6stygy/overlay/lib/python3.8/site-packages/setuptools/dist.py", line 967, in run_command
super().run_command(command)
File "/tmp/pip-build-env-tu6stygy/overlay/lib/python3.8/site-packages/setuptools/_distutils/dist.py", line 988, in run_command
cmd_obj.run()
File "", line 101, in run
File "", line 113, in cythonize
File "/tmp/pip-build-env-tu6stygy/normal/lib/python3.8/site-packages/Cython/Build/Dependencies.py", line 1154, in cythonize
cythonize_one( args)
File "/tmp/pip-build-env-tu6stygy/normal/lib/python3.8/site-packages/Cython/Build/Dependencies.py", line 1321, in cythonize_one
raise CompileError(None, pyx_file)
Cython.Compiler.Errors.CompileError: src/cysignals/tests.pyx
[end of output]
note: This error originates from a subprocess, and is likely not a problem with pip. ERROR: Failed building wheel for cysignals Failed to build cysignals ERROR: Could not build wheels for cysignals, which is required to install pyproject.toml-based projects