Add meson option to toggle building with openMP

r-devulap · r-devulap · commit 02c47281386f · 2025-04-30T21:16:34.000-07:00
diff --git a/meson.options b/meson.options
@@ -22,6 +22,8 @@ option('disable-intel-sort', type: 'boolean', value: false,
         description: 'Disables SIMD-optimized operations related to Intel x86-simd-sort')
 option('disable-threading', type: 'boolean', value: false,
         description: 'Disable threading support (see `NPY_ALLOW_THREADS` docs)')
+option('enable-openmp', type: 'boolean', value: false,
+        description: 'Enable building NumPy with openmp support')
 option('disable-optimization', type: 'boolean', value: false,
         description: 'Disable CPU optimized code (dispatch,simd,unroll...)')
 option('cpu-baseline', type: 'string', value: 'min',
diff --git a/numpy/_core/meson.build b/numpy/_core/meson.build
@@ -128,10 +128,15 @@ if use_intel_sort and not fs.exists('src/npysort/x86-simd-sort/README.md')
   error('Missing the `x86-simd-sort` git submodule! Run `git submodule update --init` to fix this.')
 endif
 
+use_openmp = not get_option('disable-threading') and get_option('enable-openmp') and cpp.has_argument('-fopenmp')
+summary({
+  'Build with openMP? ' : use_openmp,
+})
+
 # Setup openmp flags for x86-simd-sort:
 omp_cflags = []
 omp = []
-if use_intel_sort and cpp.has_argument('-fopenmp')
+if use_intel_sort and use_openmp
   omp = dependency('openmp', required : false)
   if omp.found()
     omp_cflags = ['-fopenmp', '-DXSS_USE_OPENMP']
