From 061ea627e2fe9870f547a4c8a56ff7b8887ab8c2 Mon Sep 17 00:00:00 2001
From: Joe Rickerby <joerick@mac.com>
Date: Sat, 26 Aug 2023 19:47:49 +0100
Subject: [PATCH] Add docs

---
 docs/options.md | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/docs/options.md b/docs/options.md
index 8df4e8f2..b597684c 100644
--- a/docs/options.md
+++ b/docs/options.md
@@ -504,9 +504,19 @@ This option can also be set using the [command-line option](#command-line) `--pr
 ### `CIBW_BUILD_FRONTEND` {: #build-frontend}
 > Set the tool to use to build, either "pip" (default for now) or "build"
 
-Choose which build backend to use. Can either be "pip", which will run
+Options:
+
+- `pip[;args: ...]`
+- `build[;args: ...]`
+
+Default: `pip`
+
+Choose which build frontend to use. Can either be "pip", which will run
 `python -m pip wheel`, or "build", which will run `python -m build --wheel`.
 
+You can specify extra arguments to pass to `pip wheel` or `build` using the
+optional `args` option.
+
 !!! tip
     Until v2.0.0, [pip] was the only way to build wheels, and is still the
     default. However, we expect that at some point in the future, cibuildwheel
@@ -526,6 +536,9 @@ Choose which build backend to use. Can either be "pip", which will run
 
     # Ensure pip is used even if the default changes in the future
     CIBW_BUILD_FRONTEND: "pip"
+
+    # supply an extra argument to 'pip wheel'
+    CIBW_BUILD_FRONTEND: "pip; args: --no-build-isolation"
     ```
 
 !!! tab examples "pyproject.toml"
@@ -537,6 +550,9 @@ Choose which build backend to use. Can either be "pip", which will run
 
     # Ensure pip is used even if the default changes in the future
     build-frontend = "pip"
+
+    # supply an extra argument to 'pip wheel'
+    build-frontend = { name = "pip", args = ["--no-build-isolation"] }
     ```
 
 ### `CIBW_CONFIG_SETTINGS` {: #config-settings}