[gtk/wip/otte/color-profiles] Add an lcms2 subproject

[Matthias Clasen <matthiasc src gnome org>]

commit 3910be65ce420e19cd0a373b050801cc074ee3e8
Author: Matthias Clasen <mclasen redhat com>
Date:   Wed Sep 29 16:30:00 2021 -0400

    Add an lcms2 subproject
    
    Since lcms2 is using autotools, this uses the
    experimental 'external project' module of meson,
    and adds a minimal meson.build file to lcms2.
    
    It seems to work.

 meson.build                                |  3 ++-
 subprojects/lcms2.wrap                     |  6 ++++++
 subprojects/packagefiles/lcms2/meson.build | 14 ++++++++++++++
 3 files changed, 22 insertions(+), 1 deletion(-)
---
diff --git a/meson.build b/meson.build
index 8b151bcc6e..3976442740 100644
--- a/meson.build
+++ b/meson.build
@@ -380,7 +380,8 @@ pango_dep      = dependency('pango', version: pango_req,
                             fallback : ['pango', 'libpango_dep'])
 fribidi_dep    = dependency('fribidi', version: fribidi_req,
                             fallback : ['fribidi', 'libfribidi_dep'])
-lcms2_dep      = dependency('lcms2', version: lcms2_req)
+lcms2_dep      = dependency('lcms2', version: lcms2_req,
+                            fallback : ['lcms2', 'liblcms2_dep'])
 
 # Require PangoFT2 if on X11 or wayland
 require_pangoft2 = wayland_enabled or x11_enabled
diff --git a/subprojects/lcms2.wrap b/subprojects/lcms2.wrap
new file mode 100644
index 0000000000..6c81dd34eb
--- /dev/null
+++ b/subprojects/lcms2.wrap
@@ -0,0 +1,6 @@
+[wrap-git]
+directory=lcms2
+url=https://github.com/mm2/Little-CMS.git
+revision=master
+patch_directory=lcms2
+depth=1
diff --git a/subprojects/packagefiles/lcms2/meson.build b/subprojects/packagefiles/lcms2/meson.build
new file mode 100644
index 0000000000..ef8f6e27a1
--- /dev/null
+++ b/subprojects/packagefiles/lcms2/meson.build
@@ -0,0 +1,14 @@
+project('lcms2', 'c',
+  version : '2.12',
+  meson_version : '>=0.56.0',
+)
+
+mod = import('unstable_external_project')
+
+p = mod.add_project('configure',
+  configure_options : ['--prefix=@PREFIX@',
+                       '--libdir=@PREFIX@/@LIBDIR@',
+                      ],
+)
+
+liblcms2_dep = p.dependency('lcms2')