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Update documentation for building instrumented libraries.

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Fixes a script location and (hopefully) makes commands a bit easier to
copy and paste.

Change-Id: I1a6b1babc4fa5ad59c35f4f11e97c47f79803f2e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5270813
Commit-Queue: Daniel Cheng <dcheng@chromium.org>
Reviewed-by: Thomas Anderson <thomasanderson@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1256601}
This commit is contained in:
Daniel Cheng
2024-02-06 04:29:34 +00:00
committed by Chromium LUCI CQ
parent 835eb04e57
commit b3cf42f11a
1 changed files with 8 additions and 17 deletions

25
docs/linux/instrumented_libraries.md

@ -20,20 +20,15 @@ sudo apt install debootstrap schroot
Create a configuration for a Focal chroot:
```shell
sudo $EDITOR /etc/schroot/chroot.d/focal_amd64.conf
```
Add the following to the new file, replacing the instances of `thomasanderson`
with your own username.
```
cat | sudo tee /etc/schroot/chroot.d/focal_amd64.conf > /dev/null <<EOF
[focal_amd64]
description=Ubuntu 20.04 Focal for amd64
directory=/srv/chroot/focal_amd64
personality=linux
root-users=thomasanderson
root-users=$USER
type=directory
users=thomasanderson
users=$USER
EOF
```
Bootstrap the chroot:
@ -51,21 +46,17 @@ where I'm assuming you keep your source tree and `depot_tools`.
sudo mount --bind "$HOME" /home
```
Add `sources.list`:
Populate `sources.list`:
```shell
sudo $EDITOR /srv/chroot/focal_amd64/etc/apt/sources.list
```
Add the following contents to the file:
```
cat | sudo tee -a /srv/chroot/focal_amd64/etc/apt/sources.list > /dev/null <<EOF
deb http://archive.ubuntu.com/ubuntu/ focal main restricted universe
deb-src http://archive.ubuntu.com/ubuntu/ focal main restricted universe
deb http://archive.ubuntu.com/ubuntu/ focal-security main restricted universe
deb-src http://archive.ubuntu.com/ubuntu/ focal-security main restricted universe
deb http://archive.ubuntu.com/ubuntu/ focal-updates main restricted universe
deb-src http://archive.ubuntu.com/ubuntu/ focal-updates main restricted universe
EOF
```
Enter the chroot and install the necessary packages:
@ -79,7 +70,7 @@ apt install lsb-release sudo python pkg-config libgtk2.0-bin libdrm-dev nih-dbus
Install library packages:
```shell
third_party/instrumented_libraries/scripts/install-build-deps.sh
third_party/instrumented_libraries/focal/scripts/install-build-deps.sh
```
Change to a non-root user: