[gegl] build: make libjpeg required dependency

[Øyvind "pippin" Kolås <ok src gnome org>]

commit c869a1c33788b3ca1f1728487084ffe71e9706f4
Author: John <jtm home gmail com>
Date:   Wed Feb 24 23:36:51 2021 +0000

    build: make libjpeg required dependency

 meson.build       | 4 +---
 meson_options.txt | 2 +-
 2 files changed, 2 insertions(+), 4 deletions(-)
---
diff --git a/meson.build b/meson.build
index 01abced2a..e38ecd2ce 100644
--- a/meson.build
+++ b/meson.build
@@ -173,6 +173,7 @@ gio       = [
             dependency(gio_os,          version: '>=2.44.0'),
 ]
 json_glib = dependency('json-glib-1.0', version: '>=1.2.6')
+libjpeg   = dependency('libjpeg',       version: '>=1.0.0')
 libpng    = dependency('libpng',        version: '>=1.6.0')
 
 # Required libraries eventually provided in subprojects/ subdir
@@ -242,9 +243,6 @@ lcms      = dependency('lcms2',       version: '>=2.8',
 lensfun   = dependency('lensfun',     version: '>=0.2.5',
   required: get_option('lensfun')
 )
-libjpeg   = dependency('libjpeg',     version: '>=1.0.0',
-  required: get_option('libjpeg')
-)
 libraw    = dependency('libraw',      version: '>=0.15.4',
   required: get_option('libraw')
 )
diff --git a/meson_options.txt b/meson_options.txt
index 273126ff8..3dd611819 100644
--- a/meson_options.txt
+++ b/meson_options.txt
@@ -35,7 +35,6 @@ option('jasper',        type: 'feature', value: 'auto')
 option('lcms',          type: 'feature', value: 'auto')
 option('lensfun',       type: 'feature', value: 'auto')
 option('libav',         type: 'feature', value: 'auto')
-option('libjpeg',       type: 'feature', value: 'auto')
 option('libraw',        type: 'feature', value: 'auto')
 option('librsvg',       type: 'feature', value: 'auto')
 option('libspiro',      type: 'feature', value: 'auto')
@@ -59,3 +58,4 @@ option('webp',          type: 'feature', value: 'auto')
 # obsolete - no effect
 option('exiv2',         type: 'feature', value: 'disabled')
 option('libpng',        type: 'feature', value: 'disabled')
+option('libjpeg',       type: 'feature', value: 'disabled')