MAINT: Simplify numpy/linalg/setup.py

Compute the sources required to build extensions lapack_lite and
_umath_linalg in a more direct way that doesn't rely on abusing the
'depends' argument to config.add_extension().

1 files changed, 8 insertions, 8 deletions

diff --git a/numpy/linalg/setup.py b/numpy/linalg/setup.py
index 282c3423c..4bd57453c 100644
--- a/numpy/linalg/setup.py
+++ b/numpy/linalg/setup.py
@@ -20,31 +20,31 @@ def configuration(parent_package='',top_path=None):
         os.path.join(src_dir, 'blas_lite.c'),
         os.path.join(src_dir, 'dlamch.c'),
         os.path.join(src_dir, 'f2c_lite.c'),
-        os.path.join(src_dir, 'f2c.h'),
     ]
+    all_sources = config.paths(lapack_lite_src)
 
     lapack_info = get_info('lapack_opt', 0) # and {}
     def get_lapack_lite_sources(ext, build_dir):
         if not lapack_info:
             print("### Warning:  Using unoptimized lapack ###")
-            return ext.depends[:-1]
+            return all_sources
         else:
             if sys.platform=='win32':
                 print("### Warning:  python_xerbla.c is disabled ###")
-                return ext.depends[:1]
-            return ext.depends[:2]
+                return []
+            return [all_sources[0]]
 
     config.add_extension('lapack_lite',
-                         sources = [get_lapack_lite_sources],
-                         depends = ['lapack_litemodule.c'] + lapack_lite_src,
+                         sources = ['lapack_litemodule.c', get_lapack_lite_sources],
+                         depends = ['lapack_lite/f2c.h'],
                          extra_info = lapack_info
                          )
 
     # umath_linalg module
 
     config.add_extension('_umath_linalg',
-                         sources = [get_lapack_lite_sources],
-                         depends =  ['umath_linalg.c.src'] + lapack_lite_src,
+                         sources = ['umath_linalg.c.src', get_lapack_lite_sources],
+                         depends = ['lapack_lite/f2c.h'],
                          extra_info = lapack_info,
                          libraries = ['npymath'],
                          )