[gnome-builder] build: be more specific about libportal requirements

[Christian Hergert <chergert src gnome org>]

commit bc7a914535c19f4e0beef18aad0994bdeea631e4
Author: Christian Hergert <chergert redhat com>
Date:   Wed Mar 3 12:51:36 2021 -0800

    build: be more specific about libportal requirements
    
    Fixes #1411

 src/gstyle/meson.build                 | 4 ++++
 src/plugins/color-picker/meson.build   | 6 +++++-
 src/plugins/flatpak/meson.build        | 5 +++++
 src/plugins/update-manager/meson.build | 4 ++++
 4 files changed, 18 insertions(+), 1 deletion(-)
---
diff --git a/src/gstyle/meson.build b/src/gstyle/meson.build
index 2aa92bf31..95e00ed62 100644
--- a/src/gstyle/meson.build
+++ b/src/gstyle/meson.build
@@ -1,3 +1,5 @@
+if libportal_dep.found()
+
 libgstyle_headers = [
   'gstyle-animation.h',
   'gstyle-cielab.h',
@@ -119,3 +121,5 @@ libgstyle_introspection_sources = [
 ]
 
 subdir('tests')
+
+endif
diff --git a/src/plugins/color-picker/meson.build b/src/plugins/color-picker/meson.build
index cdd68d28b..00aafcf47 100644
--- a/src/plugins/color-picker/meson.build
+++ b/src/plugins/color-picker/meson.build
@@ -1,4 +1,8 @@
-if get_option('plugin_code_index')
+if get_option('plugin_color_picker')
+
+if not libportal_dep.found()
+  error('plugin_color_picker requires libportal')
+endif
 
 install_data('gsettings/org.gnome.builder.plugins.color_picker_plugin.gschema.xml', install_dir: schema_dir)
 
diff --git a/src/plugins/flatpak/meson.build b/src/plugins/flatpak/meson.build
index 6fab01c1e..1637b04c7 100644
--- a/src/plugins/flatpak/meson.build
+++ b/src/plugins/flatpak/meson.build
@@ -4,6 +4,10 @@ if not get_option('plugin_git')
   error('-Dplugin_git=true is required for flatpak')
 endif
 
+if not libportal_dep.found()
+  error('plugin_flatpak requires access to libportal')
+endif
+
 plugins_sources += files([
   'flatpak-plugin.c',
   'gbp-flatpak-application-addin.c',
@@ -38,6 +42,7 @@ plugins_deps += [
   dependency('flatpak', version: '>= 0.8.0'),
   dependency('ostree-1'),
   dependency('libsoup-2.4', version: '>= 2.52.0'),
+  libportal_dep,
 ]
 
 plugins_sources += plugin_flatpak_resources
diff --git a/src/plugins/update-manager/meson.build b/src/plugins/update-manager/meson.build
index 850971308..f041afb0e 100644
--- a/src/plugins/update-manager/meson.build
+++ b/src/plugins/update-manager/meson.build
@@ -1,6 +1,10 @@
 if get_option('plugin_update_manager')
 if host_machine.system() == 'linux'
 
+if not libportal_dep.found()
+  error('plugin_update_manager requires access to libportal')
+endif
+
 plugins_deps += [
   libportal_dep,
 ]