CI: ninja packages are repaired, so unpin.

.circleci/config.yml

@@ -78,7 +78,7 @@ jobs:
             pip install numpy==1.21.5
             pip install -r doc_requirements.txt
             # `asv` pin because of slowdowns reported in gh-15568
-            pip install mpmath gmpy2 "asv==0.4.2" pythran ninja==1.10.2.4 meson click rich-click doit pydevtool pooch
+            pip install mpmath gmpy2 "asv==0.4.2" pythran ninja meson click rich-click doit pydevtool pooch
             pip install pybind11
             # extra benchmark deps
             pip install pyfftw cffi pytest

.github/workflows/linux_meson.yml

@@ -61,13 +61,13 @@ jobs:
     - name: Install Python packages
       if: matrix.python-version == '3.9'
       run: |
-        python -m pip install numpy cython pytest pytest-xdist pytest-timeout pybind11 mpmath gmpy2 pythran ninja==1.10.2.4 meson click rich-click doit pydevtool pooch
+        python -m pip install numpy cython pytest pytest-xdist pytest-timeout pybind11 mpmath gmpy2 pythran ninja meson click rich-click doit pydevtool pooch
 
     - name: Install Python packages from repositories
       if: matrix.python-version == '3.11-dev'
       run: |
         python -m pip install git+https://github.com/numpy/numpy.git
-        python -m pip install ninja==1.10.2.4 cython pytest pybind11 pytest-xdist pytest-timeout click rich-click doit pydevtool pooch
+        python -m pip install ninja cython pytest pybind11 pytest-xdist pytest-timeout click rich-click doit pydevtool pooch
         python -m pip install git+https://github.com/serge-sans-paille/pythran.git
         python -m pip install git+https://github.com/mesonbuild/meson.git
 

ci/cirrus_general_ci.yml

@@ -31,7 +31,7 @@ linux_aarch64_test_task:
     ln -s $(which python3.10) python
     export PATH=$PWD:$PATH
 
-    python -m pip install meson ninja==1.10.2.4 numpy cython pybind11 pythran cython
+    python -m pip install meson ninja numpy cython pybind11 pythran cython
     python -m pip install click rich_click doit pydevtool
     python -m pip install pytest pooch
     
@@ -60,7 +60,7 @@ musllinux_amd64_test_task:
   python_dependencies_script: |
       python -m pip install cython
       python -m pip install -vvv --upgrade numpy    
-      python -m pip install meson ninja==1.10.2.4 pybind11 pythran pytest
+      python -m pip install meson ninja pybind11 pythran pytest
       python -m pip install click rich_click doit pydevtool pooch
 
   build_script: |
@@ -93,7 +93,7 @@ macos_arm64_test_task:
     source scipy-dev/bin/activate
     popd
 
-    python -m pip install meson ninja==1.10.2.4 numpy cython pybind11 pythran cython
+    python -m pip install meson ninja numpy cython pybind11 pythran cython
     python -m pip install click rich_click doit pydevtool
     python -m pip install pytest pooch
     export DYLD_LIBRARY_PATH=/usr/local/gfortran/lib:/opt/arm64-builds/lib

environment.yml

@@ -13,7 +13,7 @@ dependencies:
   - compilers
   - meson>=0.63.0
   - meson-python
-  - ninja==1.10.2
+  - ninja
   - numpy
   - openblas
   - pkg-config  # note: not available on Windows

pyproject.toml

@@ -10,7 +10,6 @@
 [build-system]
 build-backend = 'mesonpy'
 requires = [
-    "ninja==1.10.2",
     "meson-python>=0.9.0",
     "Cython>=0.29.32",
     "pybind11>=2.10.0",