diff --git a/build/pkgs/admcycles/spkg-configure.m4 b/build/pkgs/admcycles/spkg-configure.m4
new file mode 100644
index 00000000000..6f2caf2731e
--- /dev/null
+++ b/build/pkgs/admcycles/spkg-configure.m4
@@ -0,0 +1 @@
+SAGE_SPKG_CONFIGURE([admcycles], [SAGE_PYTHON_PACKAGE_CHECK([admcycles])])
diff --git a/build/pkgs/anyio/spkg-configure.m4 b/build/pkgs/anyio/spkg-configure.m4
new file mode 100644
index 00000000000..f740791dcb8
--- /dev/null
+++ b/build/pkgs/anyio/spkg-configure.m4
@@ -0,0 +1 @@
+SAGE_SPKG_CONFIGURE([anyio], [SAGE_PYTHON_PACKAGE_CHECK([anyio])])
diff --git a/build/pkgs/arrow/spkg-configure.m4 b/build/pkgs/arrow/spkg-configure.m4
new file mode 100644
index 00000000000..9b95db5215d
--- /dev/null
+++ b/build/pkgs/arrow/spkg-configure.m4
@@ -0,0 +1 @@
+SAGE_SPKG_CONFIGURE([arrow], [SAGE_PYTHON_PACKAGE_CHECK([arrow])])
diff --git a/build/pkgs/async_lru/spkg-configure.m4 b/build/pkgs/async_lru/spkg-configure.m4
new file mode 100644
index 00000000000..064b750987f
--- /dev/null
+++ b/build/pkgs/async_lru/spkg-configure.m4
@@ -0,0 +1 @@
+SAGE_SPKG_CONFIGURE([async_lru], [SAGE_PYTHON_PACKAGE_CHECK([async_lru])])
diff --git a/build/pkgs/auditwheel_or_delocate/spkg-configure.m4 b/build/pkgs/auditwheel_or_delocate/spkg-configure.m4
new file mode 100644
index 00000000000..bc070b3d98d
--- /dev/null
+++ b/build/pkgs/auditwheel_or_delocate/spkg-configure.m4
@@ -0,0 +1 @@
+SAGE_SPKG_CONFIGURE([auditwheel_or_delocate], [SAGE_PYTHON_PACKAGE_CHECK([auditwheel_or_delocate])])
diff --git a/build/pkgs/biopython/spkg-configure.m4 b/build/pkgs/biopython/spkg-configure.m4
new file mode 100644
index 00000000000..69f8a404ab6
--- /dev/null
+++ b/build/pkgs/biopython/spkg-configure.m4
@@ -0,0 +1 @@
+SAGE_SPKG_CONFIGURE([biopython], [SAGE_PYTHON_PACKAGE_CHECK([biopython])])
diff --git a/build/pkgs/comm/spkg-configure.m4 b/build/pkgs/comm/spkg-configure.m4
new file mode 100644
index 00000000000..aceb6757466
--- /dev/null
+++ b/build/pkgs/comm/spkg-configure.m4
@@ -0,0 +1 @@
+SAGE_SPKG_CONFIGURE([comm], [SAGE_PYTHON_PACKAGE_CHECK([comm])])
diff --git a/build/pkgs/cvxpy/spkg-configure.m4 b/build/pkgs/cvxpy/spkg-configure.m4
new file mode 100644
index 00000000000..a0eedb3195a
--- /dev/null
+++ b/build/pkgs/cvxpy/spkg-configure.m4
@@ -0,0 +1 @@
+SAGE_SPKG_CONFIGURE([cvxpy], [SAGE_PYTHON_PACKAGE_CHECK([cvxpy])])
diff --git a/build/pkgs/cylp/spkg-configure.m4 b/build/pkgs/cylp/spkg-configure.m4
new file mode 100644
index 00000000000..e2d9b43cdc3
--- /dev/null
+++ b/build/pkgs/cylp/spkg-configure.m4
@@ -0,0 +1 @@
+SAGE_SPKG_CONFIGURE([cylp], [SAGE_PYTHON_PACKAGE_CHECK([cylp])])
diff --git a/build/pkgs/database_cubic_hecke/spkg-configure.m4 b/build/pkgs/database_cubic_hecke/spkg-configure.m4
new file mode 100644
index 00000000000..d9a5bae6d52
--- /dev/null
+++ b/build/pkgs/database_cubic_hecke/spkg-configure.m4
@@ -0,0 +1 @@
+SAGE_SPKG_CONFIGURE([database_cubic_hecke], [SAGE_PYTHON_PACKAGE_CHECK([database_cubic_hecke])])
diff --git a/build/pkgs/database_knotinfo/spkg-configure.m4 b/build/pkgs/database_knotinfo/spkg-configure.m4
new file mode 100644
index 00000000000..eeda747473e
--- /dev/null
+++ b/build/pkgs/database_knotinfo/spkg-configure.m4
@@ -0,0 +1 @@
+SAGE_SPKG_CONFIGURE([database_knotinfo], [SAGE_PYTHON_PACKAGE_CHECK([database_knotinfo])])
diff --git a/build/pkgs/deprecation/spkg-configure.m4 b/build/pkgs/deprecation/spkg-configure.m4
new file mode 100644
index 00000000000..306d7c5cd1e
--- /dev/null
+++ b/build/pkgs/deprecation/spkg-configure.m4
@@ -0,0 +1 @@
+SAGE_SPKG_CONFIGURE([deprecation], [SAGE_PYTHON_PACKAGE_CHECK([deprecation])])
diff --git a/build/pkgs/dot2tex/spkg-configure.m4 b/build/pkgs/dot2tex/spkg-configure.m4
new file mode 100644
index 00000000000..ca81f4b34d5
--- /dev/null
+++ b/build/pkgs/dot2tex/spkg-configure.m4
@@ -0,0 +1 @@
+SAGE_SPKG_CONFIGURE([dot2tex], [SAGE_PYTHON_PACKAGE_CHECK([dot2tex])])
diff --git a/build/pkgs/ecos_python/spkg-configure.m4 b/build/pkgs/ecos_python/spkg-configure.m4
new file mode 100644
index 00000000000..85ab65deb65
--- /dev/null
+++ b/build/pkgs/ecos_python/spkg-configure.m4
@@ -0,0 +1 @@
+SAGE_SPKG_CONFIGURE([ecos_python], [SAGE_PYTHON_PACKAGE_CHECK([ecos_python])])
diff --git a/build/pkgs/fqdn/spkg-configure.m4 b/build/pkgs/fqdn/spkg-configure.m4
new file mode 100644
index 00000000000..6c5cc1778dc
--- /dev/null
+++ b/build/pkgs/fqdn/spkg-configure.m4
@@ -0,0 +1 @@
+SAGE_SPKG_CONFIGURE([fqdn], [SAGE_PYTHON_PACKAGE_CHECK([fqdn])])
diff --git a/build/pkgs/gap_jupyter/spkg-configure.m4 b/build/pkgs/gap_jupyter/spkg-configure.m4
new file mode 100644
index 00000000000..96ce5e8fa8e
--- /dev/null
+++ b/build/pkgs/gap_jupyter/spkg-configure.m4
@@ -0,0 +1 @@
+SAGE_SPKG_CONFIGURE([gap_jupyter], [SAGE_PYTHON_PACKAGE_CHECK([gap_jupyter])])
diff --git a/build/pkgs/gitpython/spkg-configure.m4 b/build/pkgs/gitpython/spkg-configure.m4
new file mode 100644
index 00000000000..382b212ea16
--- /dev/null
+++ b/build/pkgs/gitpython/spkg-configure.m4
@@ -0,0 +1 @@
+SAGE_SPKG_CONFIGURE([gitpython], [SAGE_PYTHON_PACKAGE_CHECK([gitpython])])
diff --git a/build/pkgs/isoduration/spkg-configure.m4 b/build/pkgs/isoduration/spkg-configure.m4
new file mode 100644
index 00000000000..2b42e17f0e8
--- /dev/null
+++ b/build/pkgs/isoduration/spkg-configure.m4
@@ -0,0 +1 @@
+SAGE_SPKG_CONFIGURE([isoduration], [SAGE_PYTHON_PACKAGE_CHECK([isoduration])])
diff --git a/build/pkgs/json5/spkg-configure.m4 b/build/pkgs/json5/spkg-configure.m4
new file mode 100644
index 00000000000..50f9ab8c882
--- /dev/null
+++ b/build/pkgs/json5/spkg-configure.m4
@@ -0,0 +1 @@
+SAGE_SPKG_CONFIGURE([json5], [SAGE_PYTHON_PACKAGE_CHECK([json5])])
diff --git a/build/pkgs/jsonpointer/spkg-configure.m4 b/build/pkgs/jsonpointer/spkg-configure.m4
new file mode 100644
index 00000000000..3d99f290be9
--- /dev/null
+++ b/build/pkgs/jsonpointer/spkg-configure.m4
@@ -0,0 +1 @@
+SAGE_SPKG_CONFIGURE([jsonpointer], [SAGE_PYTHON_PACKAGE_CHECK([jsonpointer])])
diff --git a/build/pkgs/jsonschema_specifications/spkg-configure.m4 b/build/pkgs/jsonschema_specifications/spkg-configure.m4
new file mode 100644
index 00000000000..f6557ca1bbd
--- /dev/null
+++ b/build/pkgs/jsonschema_specifications/spkg-configure.m4
@@ -0,0 +1 @@
+SAGE_SPKG_CONFIGURE([jsonschema_specifications], [SAGE_PYTHON_PACKAGE_CHECK([jsonschema_specifications])])
diff --git a/build/pkgs/jupymake/spkg-configure.m4 b/build/pkgs/jupymake/spkg-configure.m4
new file mode 100644
index 00000000000..aca24c94eae
--- /dev/null
+++ b/build/pkgs/jupymake/spkg-configure.m4
@@ -0,0 +1 @@
+SAGE_SPKG_CONFIGURE([jupymake], [SAGE_PYTHON_PACKAGE_CHECK([jupymake])])
diff --git a/build/pkgs/jupyter_events/spkg-configure.m4 b/build/pkgs/jupyter_events/spkg-configure.m4
new file mode 100644
index 00000000000..e48d110521f
--- /dev/null
+++ b/build/pkgs/jupyter_events/spkg-configure.m4
@@ -0,0 +1 @@
+SAGE_SPKG_CONFIGURE([jupyter_events], [SAGE_PYTHON_PACKAGE_CHECK([jupyter_events])])
diff --git a/build/pkgs/jupyter_lsp/spkg-configure.m4 b/build/pkgs/jupyter_lsp/spkg-configure.m4
new file mode 100644
index 00000000000..ca4ba801296
--- /dev/null
+++ b/build/pkgs/jupyter_lsp/spkg-configure.m4
@@ -0,0 +1 @@
+SAGE_SPKG_CONFIGURE([jupyter_lsp], [SAGE_PYTHON_PACKAGE_CHECK([jupyter_lsp])])
diff --git a/build/pkgs/jupyter_server/spkg-configure.m4 b/build/pkgs/jupyter_server/spkg-configure.m4
new file mode 100644
index 00000000000..5419748c46d
--- /dev/null
+++ b/build/pkgs/jupyter_server/spkg-configure.m4
@@ -0,0 +1 @@
+SAGE_SPKG_CONFIGURE([jupyter_server], [SAGE_PYTHON_PACKAGE_CHECK([jupyter_server])])
diff --git a/build/pkgs/jupyter_server_terminals/spkg-configure.m4 b/build/pkgs/jupyter_server_terminals/spkg-configure.m4
new file mode 100644
index 00000000000..1fe9e5ed896
--- /dev/null
+++ b/build/pkgs/jupyter_server_terminals/spkg-configure.m4
@@ -0,0 +1 @@
+SAGE_SPKG_CONFIGURE([jupyter_server_terminals], [SAGE_PYTHON_PACKAGE_CHECK([jupyter_server_terminals])])
diff --git a/build/pkgs/jupyterlab/spkg-configure.m4 b/build/pkgs/jupyterlab/spkg-configure.m4
new file mode 100644
index 00000000000..33865328e22
--- /dev/null
+++ b/build/pkgs/jupyterlab/spkg-configure.m4
@@ -0,0 +1 @@
+SAGE_SPKG_CONFIGURE([jupyterlab], [SAGE_PYTHON_PACKAGE_CHECK([jupyterlab])])
diff --git a/build/pkgs/jupyterlab_mathjax2/spkg-configure.m4 b/build/pkgs/jupyterlab_mathjax2/spkg-configure.m4
new file mode 100644
index 00000000000..5d1b366b376
--- /dev/null
+++ b/build/pkgs/jupyterlab_mathjax2/spkg-configure.m4
@@ -0,0 +1 @@
+SAGE_SPKG_CONFIGURE([jupyterlab_mathjax2], [SAGE_PYTHON_PACKAGE_CHECK([jupyterlab_mathjax2])])
diff --git a/build/pkgs/jupyterlab_server/spkg-configure.m4 b/build/pkgs/jupyterlab_server/spkg-configure.m4
new file mode 100644
index 00000000000..0173ac2c800
--- /dev/null
+++ b/build/pkgs/jupyterlab_server/spkg-configure.m4
@@ -0,0 +1 @@
+SAGE_SPKG_CONFIGURE([jupyterlab_server], [SAGE_PYTHON_PACKAGE_CHECK([jupyterlab_server])])
diff --git a/build/pkgs/mathics/spkg-configure.m4 b/build/pkgs/mathics/spkg-configure.m4
new file mode 100644
index 00000000000..e297793c591
--- /dev/null
+++ b/build/pkgs/mathics/spkg-configure.m4
@@ -0,0 +1 @@
+SAGE_SPKG_CONFIGURE([mathics], [SAGE_PYTHON_PACKAGE_CHECK([mathics])])
diff --git a/build/pkgs/mathics_scanner/spkg-configure.m4 b/build/pkgs/mathics_scanner/spkg-configure.m4
new file mode 100644
index 00000000000..09917819a0f
--- /dev/null
+++ b/build/pkgs/mathics_scanner/spkg-configure.m4
@@ -0,0 +1 @@
+SAGE_SPKG_CONFIGURE([mathics_scanner], [SAGE_PYTHON_PACKAGE_CHECK([mathics_scanner])])
diff --git a/build/pkgs/nibabel/spkg-configure.m4 b/build/pkgs/nibabel/spkg-configure.m4
new file mode 100644
index 00000000000..e5c298f9a5f
--- /dev/null
+++ b/build/pkgs/nibabel/spkg-configure.m4
@@ -0,0 +1 @@
+SAGE_SPKG_CONFIGURE([nibabel], [SAGE_PYTHON_PACKAGE_CHECK([nibabel])])
diff --git a/build/pkgs/notebook_shim/spkg-configure.m4 b/build/pkgs/notebook_shim/spkg-configure.m4
new file mode 100644
index 00000000000..9131ca968f5
--- /dev/null
+++ b/build/pkgs/notebook_shim/spkg-configure.m4
@@ -0,0 +1 @@
+SAGE_SPKG_CONFIGURE([notebook_shim], [SAGE_PYTHON_PACKAGE_CHECK([notebook_shim])])
diff --git a/build/pkgs/notedown/spkg-configure.m4 b/build/pkgs/notedown/spkg-configure.m4
new file mode 100644
index 00000000000..a45e08710f5
--- /dev/null
+++ b/build/pkgs/notedown/spkg-configure.m4
@@ -0,0 +1 @@
+SAGE_SPKG_CONFIGURE([notedown], [SAGE_PYTHON_PACKAGE_CHECK([notedown])])
diff --git a/build/pkgs/ore_algebra/spkg-configure.m4 b/build/pkgs/ore_algebra/spkg-configure.m4
new file mode 100644
index 00000000000..4f230702942
--- /dev/null
+++ b/build/pkgs/ore_algebra/spkg-configure.m4
@@ -0,0 +1 @@
+SAGE_SPKG_CONFIGURE([ore_algebra], [SAGE_PYTHON_PACKAGE_CHECK([ore_algebra])])
diff --git a/build/pkgs/osqp_python/spkg-configure.m4 b/build/pkgs/osqp_python/spkg-configure.m4
new file mode 100644
index 00000000000..ce4821c39da
--- /dev/null
+++ b/build/pkgs/osqp_python/spkg-configure.m4
@@ -0,0 +1 @@
+SAGE_SPKG_CONFIGURE([osqp_python], [SAGE_PYTHON_PACKAGE_CHECK([osqp_python])])
diff --git a/build/pkgs/overrides/spkg-configure.m4 b/build/pkgs/overrides/spkg-configure.m4
new file mode 100644
index 00000000000..52a1e2fcd3c
--- /dev/null
+++ b/build/pkgs/overrides/spkg-configure.m4
@@ -0,0 +1 @@
+SAGE_SPKG_CONFIGURE([overrides], [SAGE_PYTHON_PACKAGE_CHECK([overrides])])
diff --git a/build/pkgs/p_group_cohomology/spkg-configure.m4 b/build/pkgs/p_group_cohomology/spkg-configure.m4
new file mode 100644
index 00000000000..3934f8d0751
--- /dev/null
+++ b/build/pkgs/p_group_cohomology/spkg-configure.m4
@@ -0,0 +1 @@
+SAGE_SPKG_CONFIGURE([p_group_cohomology], [SAGE_PYTHON_PACKAGE_CHECK([p_group_cohomology])])
diff --git a/build/pkgs/palettable/spkg-configure.m4 b/build/pkgs/palettable/spkg-configure.m4
new file mode 100644
index 00000000000..76d3715e9fd
--- /dev/null
+++ b/build/pkgs/palettable/spkg-configure.m4
@@ -0,0 +1 @@
+SAGE_SPKG_CONFIGURE([palettable], [SAGE_PYTHON_PACKAGE_CHECK([palettable])])
diff --git a/build/pkgs/pandoc_attributes/spkg-configure.m4 b/build/pkgs/pandoc_attributes/spkg-configure.m4
new file mode 100644
index 00000000000..57aba6b68ba
--- /dev/null
+++ b/build/pkgs/pandoc_attributes/spkg-configure.m4
@@ -0,0 +1 @@
+SAGE_SPKG_CONFIGURE([pandoc_attributes], [SAGE_PYTHON_PACKAGE_CHECK([pandoc_attributes])])
diff --git a/build/pkgs/pari_jupyter/spkg-configure.m4 b/build/pkgs/pari_jupyter/spkg-configure.m4
new file mode 100644
index 00000000000..7e7f7ecbb0e
--- /dev/null
+++ b/build/pkgs/pari_jupyter/spkg-configure.m4
@@ -0,0 +1 @@
+SAGE_SPKG_CONFIGURE([pari_jupyter], [SAGE_PYTHON_PACKAGE_CHECK([pari_jupyter])])
diff --git a/build/pkgs/phitigra/spkg-configure.m4 b/build/pkgs/phitigra/spkg-configure.m4
new file mode 100644
index 00000000000..06fc3367f18
--- /dev/null
+++ b/build/pkgs/phitigra/spkg-configure.m4
@@ -0,0 +1 @@
+SAGE_SPKG_CONFIGURE([phitigra], [SAGE_PYTHON_PACKAGE_CHECK([phitigra])])
diff --git a/build/pkgs/pint/spkg-configure.m4 b/build/pkgs/pint/spkg-configure.m4
new file mode 100644
index 00000000000..bfa78b5f327
--- /dev/null
+++ b/build/pkgs/pint/spkg-configure.m4
@@ -0,0 +1 @@
+SAGE_SPKG_CONFIGURE([pint], [SAGE_PYTHON_PACKAGE_CHECK([pint])])
diff --git a/build/pkgs/psutil/spkg-configure.m4 b/build/pkgs/psutil/spkg-configure.m4
new file mode 100644
index 00000000000..ce714751c5f
--- /dev/null
+++ b/build/pkgs/psutil/spkg-configure.m4
@@ -0,0 +1 @@
+SAGE_SPKG_CONFIGURE([psutil], [SAGE_PYTHON_PACKAGE_CHECK([psutil])])
diff --git a/build/pkgs/pybtex/spkg-configure.m4 b/build/pkgs/pybtex/spkg-configure.m4
new file mode 100644
index 00000000000..77e95f59f47
--- /dev/null
+++ b/build/pkgs/pybtex/spkg-configure.m4
@@ -0,0 +1 @@
+SAGE_SPKG_CONFIGURE([pybtex], [SAGE_PYTHON_PACKAGE_CHECK([pybtex])])
diff --git a/build/pkgs/pycosat/spkg-configure.m4 b/build/pkgs/pycosat/spkg-configure.m4
new file mode 100644
index 00000000000..1d4969fa697
--- /dev/null
+++ b/build/pkgs/pycosat/spkg-configure.m4
@@ -0,0 +1 @@
+SAGE_SPKG_CONFIGURE([pycosat], [SAGE_PYTHON_PACKAGE_CHECK([pycosat])])
diff --git a/build/pkgs/pycryptosat/spkg-configure.m4 b/build/pkgs/pycryptosat/spkg-configure.m4
new file mode 100644
index 00000000000..542bb5676ef
--- /dev/null
+++ b/build/pkgs/pycryptosat/spkg-configure.m4
@@ -0,0 +1 @@
+SAGE_SPKG_CONFIGURE([pycryptosat], [SAGE_PYTHON_PACKAGE_CHECK([pycryptosat])])
diff --git a/build/pkgs/pycygwin/spkg-configure.m4 b/build/pkgs/pycygwin/spkg-configure.m4
new file mode 100644
index 00000000000..7876a693d7b
--- /dev/null
+++ b/build/pkgs/pycygwin/spkg-configure.m4
@@ -0,0 +1 @@
+SAGE_SPKG_CONFIGURE([pycygwin], [SAGE_PYTHON_PACKAGE_CHECK([pycygwin])])
diff --git a/build/pkgs/pygraphviz/spkg-configure.m4 b/build/pkgs/pygraphviz/spkg-configure.m4
new file mode 100644
index 00000000000..7ae8d558c95
--- /dev/null
+++ b/build/pkgs/pygraphviz/spkg-configure.m4
@@ -0,0 +1 @@
+SAGE_SPKG_CONFIGURE([pygraphviz], [SAGE_PYTHON_PACKAGE_CHECK([pygraphviz])])
diff --git a/build/pkgs/pynormaliz/spkg-configure.m4 b/build/pkgs/pynormaliz/spkg-configure.m4
new file mode 100644
index 00000000000..7bfc840f137
--- /dev/null
+++ b/build/pkgs/pynormaliz/spkg-configure.m4
@@ -0,0 +1 @@
+SAGE_SPKG_CONFIGURE([pynormaliz], [SAGE_PYTHON_PACKAGE_CHECK([pynormaliz])])
diff --git a/build/pkgs/pyppeteer/spkg-configure.m4 b/build/pkgs/pyppeteer/spkg-configure.m4
new file mode 100644
index 00000000000..371c5ba346a
--- /dev/null
+++ b/build/pkgs/pyppeteer/spkg-configure.m4
@@ -0,0 +1 @@
+SAGE_SPKG_CONFIGURE([pyppeteer], [SAGE_PYTHON_PACKAGE_CHECK([pyppeteer])])
diff --git a/build/pkgs/pyproject_api/spkg-configure.m4 b/build/pkgs/pyproject_api/spkg-configure.m4
new file mode 100644
index 00000000000..19951851d6b
--- /dev/null
+++ b/build/pkgs/pyproject_api/spkg-configure.m4
@@ -0,0 +1 @@
+SAGE_SPKG_CONFIGURE([pyproject_api], [SAGE_PYTHON_PACKAGE_CHECK([pyproject_api])])
diff --git a/build/pkgs/pyscipopt/spkg-configure.m4 b/build/pkgs/pyscipopt/spkg-configure.m4
new file mode 100644
index 00000000000..4e1a264fe3e
--- /dev/null
+++ b/build/pkgs/pyscipopt/spkg-configure.m4
@@ -0,0 +1 @@
+SAGE_SPKG_CONFIGURE([pyscipopt], [SAGE_PYTHON_PACKAGE_CHECK([pyscipopt])])
diff --git a/build/pkgs/pysingular/spkg-configure.m4 b/build/pkgs/pysingular/spkg-configure.m4
new file mode 100644
index 00000000000..30ef02f02f7
--- /dev/null
+++ b/build/pkgs/pysingular/spkg-configure.m4
@@ -0,0 +1 @@
+SAGE_SPKG_CONFIGURE([pysingular], [SAGE_PYTHON_PACKAGE_CHECK([pysingular])])
diff --git a/build/pkgs/pytest/spkg-configure.m4 b/build/pkgs/pytest/spkg-configure.m4
new file mode 100644
index 00000000000..4d91d44fc27
--- /dev/null
+++ b/build/pkgs/pytest/spkg-configure.m4
@@ -0,0 +1 @@
+SAGE_SPKG_CONFIGURE([pytest], [SAGE_PYTHON_PACKAGE_CHECK([pytest])])
diff --git a/build/pkgs/pytest_mock/spkg-configure.m4 b/build/pkgs/pytest_mock/spkg-configure.m4
new file mode 100644
index 00000000000..da82e85e76a
--- /dev/null
+++ b/build/pkgs/pytest_mock/spkg-configure.m4
@@ -0,0 +1 @@
+SAGE_SPKG_CONFIGURE([pytest_mock], [SAGE_PYTHON_PACKAGE_CHECK([pytest_mock])])
diff --git a/build/pkgs/pytest_xdist/spkg-configure.m4 b/build/pkgs/pytest_xdist/spkg-configure.m4
new file mode 100644
index 00000000000..62150d6edff
--- /dev/null
+++ b/build/pkgs/pytest_xdist/spkg-configure.m4
@@ -0,0 +1 @@
+SAGE_SPKG_CONFIGURE([pytest_xdist], [SAGE_PYTHON_PACKAGE_CHECK([pytest_xdist])])
diff --git a/build/pkgs/python_build/spkg-configure.m4 b/build/pkgs/python_build/spkg-configure.m4
new file mode 100644
index 00000000000..6d4543116f1
--- /dev/null
+++ b/build/pkgs/python_build/spkg-configure.m4
@@ -0,0 +1 @@
+SAGE_SPKG_CONFIGURE([python_build], [SAGE_PYTHON_PACKAGE_CHECK([python_build])])
diff --git a/build/pkgs/python_igraph/spkg-configure.m4 b/build/pkgs/python_igraph/spkg-configure.m4
new file mode 100644
index 00000000000..392ceb0a8f1
--- /dev/null
+++ b/build/pkgs/python_igraph/spkg-configure.m4
@@ -0,0 +1 @@
+SAGE_SPKG_CONFIGURE([python_igraph], [SAGE_PYTHON_PACKAGE_CHECK([python_igraph])])
diff --git a/build/pkgs/python_json_logger/spkg-configure.m4 b/build/pkgs/python_json_logger/spkg-configure.m4
new file mode 100644
index 00000000000..23245405de8
--- /dev/null
+++ b/build/pkgs/python_json_logger/spkg-configure.m4
@@ -0,0 +1 @@
+SAGE_SPKG_CONFIGURE([python_json_logger], [SAGE_PYTHON_PACKAGE_CHECK([python_json_logger])])
diff --git a/build/pkgs/pytz_deprecation_shim/spkg-configure.m4 b/build/pkgs/pytz_deprecation_shim/spkg-configure.m4
new file mode 100644
index 00000000000..89e68bb45c4
--- /dev/null
+++ b/build/pkgs/pytz_deprecation_shim/spkg-configure.m4
@@ -0,0 +1 @@
+SAGE_SPKG_CONFIGURE([pytz_deprecation_shim], [SAGE_PYTHON_PACKAGE_CHECK([pytz_deprecation_shim])])
diff --git a/build/pkgs/pyx/spkg-configure.m4 b/build/pkgs/pyx/spkg-configure.m4
new file mode 100644
index 00000000000..91199e8574b
--- /dev/null
+++ b/build/pkgs/pyx/spkg-configure.m4
@@ -0,0 +1 @@
+SAGE_SPKG_CONFIGURE([pyx], [SAGE_PYTHON_PACKAGE_CHECK([pyx])])
diff --git a/build/pkgs/pyyaml/spkg-configure.m4 b/build/pkgs/pyyaml/spkg-configure.m4
new file mode 100644
index 00000000000..05d245261c8
--- /dev/null
+++ b/build/pkgs/pyyaml/spkg-configure.m4
@@ -0,0 +1 @@
+SAGE_SPKG_CONFIGURE([pyyaml], [SAGE_PYTHON_PACKAGE_CHECK([pyyaml])])
diff --git a/build/pkgs/qdldl_python/spkg-configure.m4 b/build/pkgs/qdldl_python/spkg-configure.m4
new file mode 100644
index 00000000000..a0408be6143
--- /dev/null
+++ b/build/pkgs/qdldl_python/spkg-configure.m4
@@ -0,0 +1 @@
+SAGE_SPKG_CONFIGURE([qdldl_python], [SAGE_PYTHON_PACKAGE_CHECK([qdldl_python])])
diff --git a/build/pkgs/referencing/spkg-configure.m4 b/build/pkgs/referencing/spkg-configure.m4
new file mode 100644
index 00000000000..6bf88a31d8f
--- /dev/null
+++ b/build/pkgs/referencing/spkg-configure.m4
@@ -0,0 +1 @@
+SAGE_SPKG_CONFIGURE([referencing], [SAGE_PYTHON_PACKAGE_CHECK([referencing])])
diff --git a/build/pkgs/rfc3339_validator/spkg-configure.m4 b/build/pkgs/rfc3339_validator/spkg-configure.m4
new file mode 100644
index 00000000000..0746c1bb785
--- /dev/null
+++ b/build/pkgs/rfc3339_validator/spkg-configure.m4
@@ -0,0 +1 @@
+SAGE_SPKG_CONFIGURE([rfc3339_validator], [SAGE_PYTHON_PACKAGE_CHECK([rfc3339_validator])])
diff --git a/build/pkgs/rfc3986_validator/spkg-configure.m4 b/build/pkgs/rfc3986_validator/spkg-configure.m4
new file mode 100644
index 00000000000..e6c5e896a46
--- /dev/null
+++ b/build/pkgs/rfc3986_validator/spkg-configure.m4
@@ -0,0 +1 @@
+SAGE_SPKG_CONFIGURE([rfc3986_validator], [SAGE_PYTHON_PACKAGE_CHECK([rfc3986_validator])])
diff --git a/build/pkgs/rst2ipynb/spkg-configure.m4 b/build/pkgs/rst2ipynb/spkg-configure.m4
new file mode 100644
index 00000000000..48b6c7a04a7
--- /dev/null
+++ b/build/pkgs/rst2ipynb/spkg-configure.m4
@@ -0,0 +1 @@
+SAGE_SPKG_CONFIGURE([rst2ipynb], [SAGE_PYTHON_PACKAGE_CHECK([rst2ipynb])])
diff --git a/build/pkgs/sagelib/spkg-configure.m4 b/build/pkgs/sagelib/spkg-configure.m4
new file mode 100644
index 00000000000..7c833a729dc
--- /dev/null
+++ b/build/pkgs/sagelib/spkg-configure.m4
@@ -0,0 +1 @@
+SAGE_SPKG_CONFIGURE([sagelib], [SAGE_PYTHON_PACKAGE_CHECK([sagelib])])
diff --git a/build/pkgs/sagenb_export/spkg-configure.m4 b/build/pkgs/sagenb_export/spkg-configure.m4
new file mode 100644
index 00000000000..b09db05b663
--- /dev/null
+++ b/build/pkgs/sagenb_export/spkg-configure.m4
@@ -0,0 +1 @@
+SAGE_SPKG_CONFIGURE([sagenb_export], [SAGE_PYTHON_PACKAGE_CHECK([sagenb_export])])
diff --git a/build/pkgs/sagetex/spkg-configure.m4 b/build/pkgs/sagetex/spkg-configure.m4
new file mode 100644
index 00000000000..13d44a7ef7e
--- /dev/null
+++ b/build/pkgs/sagetex/spkg-configure.m4
@@ -0,0 +1 @@
+SAGE_SPKG_CONFIGURE([sagetex], [SAGE_PYTHON_PACKAGE_CHECK([sagetex])])
diff --git a/build/pkgs/scs/spkg-configure.m4 b/build/pkgs/scs/spkg-configure.m4
new file mode 100644
index 00000000000..21cf4812045
--- /dev/null
+++ b/build/pkgs/scs/spkg-configure.m4
@@ -0,0 +1 @@
+SAGE_SPKG_CONFIGURE([scs], [SAGE_PYTHON_PACKAGE_CHECK([scs])])
diff --git a/build/pkgs/singular_jupyter/spkg-configure.m4 b/build/pkgs/singular_jupyter/spkg-configure.m4
new file mode 100644
index 00000000000..4b0124dad10
--- /dev/null
+++ b/build/pkgs/singular_jupyter/spkg-configure.m4
@@ -0,0 +1 @@
+SAGE_SPKG_CONFIGURE([singular_jupyter], [SAGE_PYTHON_PACKAGE_CHECK([singular_jupyter])])
diff --git a/build/pkgs/slabbe/spkg-configure.m4 b/build/pkgs/slabbe/spkg-configure.m4
new file mode 100644
index 00000000000..3d5663df620
--- /dev/null
+++ b/build/pkgs/slabbe/spkg-configure.m4
@@ -0,0 +1 @@
+SAGE_SPKG_CONFIGURE([slabbe], [SAGE_PYTHON_PACKAGE_CHECK([slabbe])])
diff --git a/build/pkgs/snappy/spkg-configure.m4 b/build/pkgs/snappy/spkg-configure.m4
new file mode 100644
index 00000000000..4ffb99a0045
--- /dev/null
+++ b/build/pkgs/snappy/spkg-configure.m4
@@ -0,0 +1 @@
+SAGE_SPKG_CONFIGURE([snappy], [SAGE_PYTHON_PACKAGE_CHECK([snappy])])
diff --git a/build/pkgs/sniffio/spkg-configure.m4 b/build/pkgs/sniffio/spkg-configure.m4
new file mode 100644
index 00000000000..c24914e3780
--- /dev/null
+++ b/build/pkgs/sniffio/spkg-configure.m4
@@ -0,0 +1 @@
+SAGE_SPKG_CONFIGURE([sniffio], [SAGE_PYTHON_PACKAGE_CHECK([sniffio])])
diff --git a/build/pkgs/soupsieve/spkg-configure.m4 b/build/pkgs/soupsieve/spkg-configure.m4
new file mode 100644
index 00000000000..5d7588f7974
--- /dev/null
+++ b/build/pkgs/soupsieve/spkg-configure.m4
@@ -0,0 +1 @@
+SAGE_SPKG_CONFIGURE([soupsieve], [SAGE_PYTHON_PACKAGE_CHECK([soupsieve])])
diff --git a/build/pkgs/sqlalchemy/spkg-configure.m4 b/build/pkgs/sqlalchemy/spkg-configure.m4
new file mode 100644
index 00000000000..dba8bc35444
--- /dev/null
+++ b/build/pkgs/sqlalchemy/spkg-configure.m4
@@ -0,0 +1 @@
+SAGE_SPKG_CONFIGURE([sqlalchemy], [SAGE_PYTHON_PACKAGE_CHECK([sqlalchemy])])
diff --git a/build/pkgs/surface_dynamics/spkg-configure.m4 b/build/pkgs/surface_dynamics/spkg-configure.m4
new file mode 100644
index 00000000000..0426cbfe45d
--- /dev/null
+++ b/build/pkgs/surface_dynamics/spkg-configure.m4
@@ -0,0 +1 @@
+SAGE_SPKG_CONFIGURE([surface_dynamics], [SAGE_PYTHON_PACKAGE_CHECK([surface_dynamics])])
diff --git a/build/pkgs/symengine_py/spkg-configure.m4 b/build/pkgs/symengine_py/spkg-configure.m4
new file mode 100644
index 00000000000..9559bdb6da0
--- /dev/null
+++ b/build/pkgs/symengine_py/spkg-configure.m4
@@ -0,0 +1 @@
+SAGE_SPKG_CONFIGURE([symengine_py], [SAGE_PYTHON_PACKAGE_CHECK([symengine_py])])
diff --git a/build/pkgs/types_python_dateutil/spkg-configure.m4 b/build/pkgs/types_python_dateutil/spkg-configure.m4
new file mode 100644
index 00000000000..d4a0940919d
--- /dev/null
+++ b/build/pkgs/types_python_dateutil/spkg-configure.m4
@@ -0,0 +1 @@
+SAGE_SPKG_CONFIGURE([types_python_dateutil], [SAGE_PYTHON_PACKAGE_CHECK([types_python_dateutil])])
diff --git a/build/pkgs/uri_template/spkg-configure.m4 b/build/pkgs/uri_template/spkg-configure.m4
new file mode 100644
index 00000000000..35335475c2f
--- /dev/null
+++ b/build/pkgs/uri_template/spkg-configure.m4
@@ -0,0 +1 @@
+SAGE_SPKG_CONFIGURE([uri_template], [SAGE_PYTHON_PACKAGE_CHECK([uri_template])])
diff --git a/build/pkgs/webcolors/spkg-configure.m4 b/build/pkgs/webcolors/spkg-configure.m4
new file mode 100644
index 00000000000..6bfc58db199
--- /dev/null
+++ b/build/pkgs/webcolors/spkg-configure.m4
@@ -0,0 +1 @@
+SAGE_SPKG_CONFIGURE([webcolors], [SAGE_PYTHON_PACKAGE_CHECK([webcolors])])
diff --git a/build/pkgs/websocket_client/spkg-configure.m4 b/build/pkgs/websocket_client/spkg-configure.m4
new file mode 100644
index 00000000000..67712d904b6
--- /dev/null
+++ b/build/pkgs/websocket_client/spkg-configure.m4
@@ -0,0 +1 @@
+SAGE_SPKG_CONFIGURE([websocket_client], [SAGE_PYTHON_PACKAGE_CHECK([websocket_client])])