3 files changed, 63 insertions, 0 deletions
diff --git a/numpy/linalg/lapack_lite/f2c.c b/numpy/linalg/lapack_lite/f2c.c
index 869fce5d3..ddaa8d172 100644
--- a/numpy/linalg/lapack_lite/f2c.c
+++ b/numpy/linalg/lapack_lite/f2c.c
@@ -7,10 +7,14 @@
   it is available, and shipping a static library isn't portable.
 */
 
+#define PY_SSIZE_T_CLEAN
+#include <Python.h>
+
 #include <math.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+
 #include "f2c.h"
 
 
diff --git a/numpy/linalg/lapack_lite/f2c.h b/numpy/linalg/lapack_lite/f2c.h
index b44aaac44..0db1b9ecb 100644
--- a/numpy/linalg/lapack_lite/f2c.h
+++ b/numpy/linalg/lapack_lite/f2c.h
@@ -7,6 +7,9 @@
 #ifndef F2C_INCLUDE
 #define F2C_INCLUDE
 
+#define PY_SSIZE_T_CLEAN
+#include <Python.h>
+
 #include <math.h>
 #include "numpy/npy_common.h"
 #include "npy_cblas.h"
diff --git a/numpy/linalg/meson.build b/numpy/linalg/meson.build
new file mode 100644
index 000000000..083692913
--- /dev/null
+++ b/numpy/linalg/meson.build
@@ -0,0 +1,56 @@
+lapack_lite_sources = [
+  'lapack_lite/f2c.c',
+  'lapack_lite/f2c_c_lapack.c',
+  'lapack_lite/f2c_d_lapack.c',
+  'lapack_lite/f2c_s_lapack.c',
+  'lapack_lite/f2c_z_lapack.c',
+  'lapack_lite/f2c_blas.c',
+  'lapack_lite/f2c_config.c',
+  'lapack_lite/f2c_lapack.c',
+  'lapack_lite/python_xerbla.c',
+]
+
+# TODO: ILP64 support
+
+lapack_lite_module_src = ['lapack_litemodule.c']
+if not have_lapack
+  warning('LAPACK was not found, NumPy is using an unoptimized, naive build from sources!')
+  lapack_lite_module_src += lapack_lite_sources
+endif
+
+py.extension_module('lapack_lite',
+  lapack_lite_module_src,
+  dependencies: [np_core_dep, lapack],
+  install: true,
+  subdir: 'numpy/linalg',
+)
+
+_umath_linalg_src = ['umath_linalg.cpp'] + lapack_lite_sources
+
+py.extension_module('_umath_linalg',
+  _umath_linalg_src,
+  dependencies: np_core_dep,
+  link_with: npymath_lib,
+  install: true,
+  subdir: 'numpy/linalg',
+)
+
+py.install_sources(
+  [
+    '__init__.py',
+    '__init__.pyi',
+    'linalg.py',
+    'linalg.pyi',
+  ],
+  subdir: 'numpy/linalg'
+)
+
+py.install_sources(
+  [
+    'tests/__init__.py',
+    'tests/test_deprecations.py',
+    'tests/test_linalg.py',
+    'tests/test_regression.py',
+  ],
+  subdir: 'numpy/linalg/tests'
+)