help with installation lxml
They write Pip install lxml And it gives an error when building a wheel, and Numpy And when building the wheels we Numpy
5 Replies

Post text, not screenshot...
Seconds
Building wheel for patchelf (pyproject.toml): started
        Building wheel for patchelf (pyproject.toml): finished with status 'error'
        error: subprocess-exited-with-error
        × Building wheel for patchelf (pyproject.toml) did not run successfully.
        │ exit code: 1
        ╰─> [11 lines of output]
            Traceback (most recent call last):
              File "/data/data/com.termux/files/usr/tmp/pip-build-env-qmci0t6n/overlay/lib/python3.11/site-packages/skbuild/setuptools_wrap.py", line 643, in setup
                cmkr = cmaker.CMaker(cmake_executable)
                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
              File "/data/data/com.termux/files/usr/tmp/pip-build-env-qmci0t6n/overlay/lib/python3.11/site-packages/skbuild/cmaker.py", line 145, in init
                self.cmake_version = get_cmake_version(self.cmake_executable)
                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
              File "/data/data/com.termux/files/usr/tmp/pip-build-env-qmci0t6n/overlay/lib/python3.11/site-packages/skbuild/cmaker.py", line 102, in get_cmake_version
                raise SKBuildError(msg) from err
            Problem with the CMake installation, aborting build. CMake executable is cmake
            [end of output]
        note: This error originates from a subprocess, and is likely not a problem with pip.
        ERROR: Failed building wheel for patchelf
        Building wheel for ninja (pyproject.toml): started
        Building wheel for ninja (pyproject.toml): finished with status 'error'
        error: subprocess-exited-with-error
        × Building wheel for ninja (pyproject.toml) did not run successfully.
│ exit code: 1
        ╰─> [15 lines of output]
            /data/data/com.termux/files/usr/tmp/pip-build-env-61z7oav5/overlay/lib/python3.11/site-packages/setuptools_scm/git.py:312: UserWarning: git archive did not support describe output
              warnings.warn("git archive did not support describe output")
            /data/data/com.termux/files/usr/tmp/pip-build-env-61z7oav5/overlay/lib/python3.11/site-packages/setuptools_scm/git.py:331:
UserWarning: unprocessed git archival found (no export subst applied)
              warnings.warn("unprocessed git archival found (no export subst applied)")
            Traceback (most recent call last):
              File "/data/data/com.termux/files/usr/tmp/pip-build-env-61z7oav5/overlay/lib/python3.11/site-packages/skbuild/setuptools_wrap.py", line 643, in setup
                cmkr = cmaker.CMaker(cmake_executable)
                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
              File "/data/data/com.termux/files/usr/tmp/pip-build-env-61z7oav5/overlay/lib/python3.11/site-packages/skbuild/cmaker.py", line 145, in init
                self.cmake_version = get_cmake_version(self.cmake_executable)
                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
              File "/data/data/com.termux/files/usr/tmp/pip-build-env-61z7oav5/overlay/lib/python3.11/site-packages/skbuild/cmaker.py", line 102, in get_cmake_version
                raise SKBuildError(msg) from err
            Problem with the CMake installation, aborting build. CMake executable is cmake
            [end of output]
        note: This error originates from a subprocess, and is likely not a problem with pip.
        ERROR: Failed building wheel for ninja
      Failed to build patchelf ninja
      ERROR: ERROR: Failed to build installable wheels for some pyproject.toml based projects (patchelf, ninja)
      [end of output]
  note: This error originates from a subprocess, and is likely not a problem with pip.
error: subprocess-exited-with-error
× pip subprocess to install backend dependencies did not run successfully.
│ exit code: 1
╰─> See above for output
note: This error originates from a subprocess, and is likely not a problem with pip.
~ $ pip install lxml
Collecting lxml
  Using cached lxml-5.2.2.tar.gz (3.7 MB)
  Installing build dependencies ... done
  Getting requirements to build wheel ... done
  Preparing metadata (pyproject.toml) ... done
Building wheels for collected packages: lxml
  Building wheel for lxml (pyproject.toml) ... |infinity build wheel, 1 min=error
Solution
there are some trouble installing numbpy on android running termux and the solution is to download version of numpy specifically made for running on android though I never manage to find it also there is some mention of it on termux wiki