Failed to build on Ubuntu 21.10 - JCS-EXT-BGRA undeclared

[kerruba-milkman]

This issue is a....

[x] Bug
[ ] Other kind of issue (Please describe in detail)

Current Behavior

Unable to build latest commit on master on ubuntu 21.10 due to an error during compilation:

make[1]: Entering directory '<...>/i3lock-color/build'
  CC       i3lock-blur.o
  CC       i3lock-blur_simd.o
  CC       i3lock-dpi.o
  CC       i3lock-jpg.o
../../i3lock-color/jpg.c: In function ‘read_JPEG_file’:
../../i3lock-color/jpg.c:70:29: error: ‘JCS_EXT_BGRA’ undeclared (first use in this function)
   70 |     cinfo.out_color_space = JCS_EXT_BGRA;
      |                             ^~~~~~~~~~~~
../../i3lock-color/jpg.c:70:29: note: each undeclared identifier is reported only once for each function it appears in

Expected Behavior

Build succeed without any issue

Reproduction Instructions

• I've updated the repository to the latest commit
• I've installed all the dependencies as described in the documentation
• I've followed the further instructions for building on Debian - Debian Build Failed #211 (comment)

NOTE: By commenting the line, the application is able to build correctly

Environment

Output of i3lock --version:

i3lock: version 2.13.c.4-34-gd846e7c (2022-03-18) © 2010 Michael Stapelberg, © 2015 Cassandra Fox, © 2021 Raymond Li

Output of lsb_release:

> lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description:    Ubuntu 21.10
Release:        21.10
Codename:       impish

Where'd you get i3lock-color from?

[ ] AUR package (which one?)
[x] Built from source yourself
[ ] Other (Please describe in detail)

[kerruba-milkman]

As I've already added to the comment, commenting the line unlock the build.
Could it be that some dependency is missing? libjpeg-turbo has to be included?

[Raymo111]

Have you tried installing the libjpeg-turbo package? Does it work after you do that?