[babl: 3/6] meson: Add with-lcms option

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

commit 1de7bed3d11cd5521f84340aa65ed4b9d883f626
Author: Ján Veselý <jano vesely gmail com>
Date:   Thu Dec 6 15:34:51 2018 -0500

    meson: Add with-lcms option
    
    Signed-off-by: Jan Vesely <jan vesely rutgers edu>

 babl/meson.build  | 2 +-
 meson.build       | 9 +++++++++
 meson_options.txt | 1 +
 3 files changed, 11 insertions(+), 1 deletion(-)
---
diff --git a/babl/meson.build b/babl/meson.build
index 77e69a5..240493c 100644
--- a/babl/meson.build
+++ b/babl/meson.build
@@ -130,7 +130,7 @@ babl = library(
   cpp_args: [ '-DLIBDIR="' + join_paths(get_option('prefix'), get_option('libdir')) + '"', ],
   link_whole: [ babl_base, ],
   link_args: [ babl_link_args, ],
-  dependencies: [ math, thread, dl, ],
+  dependencies: [ math, thread, dl, lcms, ],
   link_depends: [ version_script_target, ],
   version: so_version,
   install: true,
diff --git a/meson.build b/meson.build
index 57a2b9b..f617f15 100644
--- a/meson.build
+++ b/meson.build
@@ -267,6 +267,15 @@ endif
 ################################################################################
 # Dependencies
 
+# LCMS
+with_lcms = get_option('with-lcms')
+if with_lcms
+  lcms = cc.find_library('lcms2', required : true)
+  if lcms.found()
+    conf.set('HAVE_LCMS', 1, description: 'Define to 1 if liblcms2 is available')
+  endif
+endif
+
 math = cc.find_library('m',   required: false)
 log  = cc.find_library('log', required: false)
 if platform_win32 
diff --git a/meson_options.txt b/meson_options.txt
index b2dcc54..ab08ce9 100644
--- a/meson_options.txt
+++ b/meson_options.txt
@@ -5,3 +5,4 @@ option('enable-sse3',   type: 'boolean', value: true, description: 'enable SSE3
 option('enable-sse4_1', type: 'boolean', value: true, description: 'enable SSE4.1 support')
 option('enable-f16c',   type: 'boolean', value: true, description: 'enable hardware half-float support')
 option('with-docs',     type: 'boolean', value: true, description: 'build website')
+option('with-lcms',     type: 'boolean', value: true, description: 'build with lcms')