From 247dc93312971acc392ca8ac68b94d183e2bfb28 Mon Sep 17 00:00:00 2001
From: Jean-Paul Calderone <exarkun@twistedmatrix.com>
Date: Tue, 6 Dec 2022 09:14:55 -0500
Subject: [PATCH] some more interesting bits
---
Notes.rst | 5 +++++
crossenv/flake.nix | 14 ++++++++++++++
2 files changed, 19 insertions(+)
diff --git a/Notes.rst b/Notes.rst
index 7d27d8b..5189eab 100644
--- a/Notes.rst
+++ b/Notes.rst
@@ -217,6 +217,11 @@
These seem to have cffi as a build-time dependency.
Cross-env gives the build pip env the host cffi .so so it fails.
+ Ah, but you can clobber this with::
+
+ build-pip install cffi
+
+ And somehow this gets used instead.
* Integrate a Python Tahoe-LAFS runtime with a GUI
diff --git a/crossenv/flake.nix b/crossenv/flake.nix
index fb083c9..f8b11f3 100644
--- a/crossenv/flake.nix
+++ b/crossenv/flake.nix
@@ -50,6 +50,15 @@
# expose ffi header and library so we can build cffi, itself used by
# various other Python packages
cross-pkgs.libffi
+
+ # expose openssl header and library for python-cryptography build.
+ # It seems wrong that this is from native-pkgs, so maybe it is.
+ native-pkgs.openssl_1_1
+
+ # expose a native rust toolchain so we can build the rust-based
+ # Python extensions
+ native-pkgs.rustc
+ native-pkgs.cargo
];
setupCrossEnv = ''
@@ -68,6 +77,11 @@
# Activate the cross build environment for interactive use.
. ./cross-env/bin/activate
+
+ # Now you can, eg,
+ #
+ # build-pip install a-build-dependency
+ # pip wheel somepackagetobuild
'';
shellHook = ''
--
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