Do not install GSK headers for missing backends

Broadway and Vulkan renderers are optional; if GTK hasn't been built
with their GSK renderers, we should not install their headers.

diff --git a/gsk/meson.build b/gsk/meson.build
index 8aeae9e7e88becbc2b0839d5d5f558815e0a4ed9..0b1d0d7b3fd7188f345717dc9d50e47766ccd703 100644 (file)
--- a/gsk/meson.build
+++ b/gsk/meson.build
@@ -60,6 +60,7 @@ gsk_public_headers = files([
 ])
 install_headers(gsk_public_headers, 'gsk.h', subdir: 'gtk-4.0/gsk')
 
+
 gsk_public_gl_headers = files([
   'gl/gskglrenderer.h'
 ])
@@ -69,14 +70,20 @@ gsk_public_headers += gsk_public_gl_headers
 gsk_public_broadway_headers = files([
   'broadway/gskbroadwayrenderer.h'
 ])
-install_headers(gsk_public_broadway_headers, subdir: 'gtk-4.0/gsk/broadway')
-gsk_public_headers += gsk_public_broadway_headers
+
+if get_variable('broadway_enabled')
+  install_headers(gsk_public_broadway_headers, subdir: 'gtk-4.0/gsk/broadway')
+  gsk_public_headers += gsk_public_broadway_headers
+endif
 
 gsk_public_vulkan_headers = files([
   'vulkan/gskvulkanrenderer.h'
 ])
-install_headers(gsk_public_vulkan_headers, subdir: 'gtk-4.0/gsk/vulkan')
-gsk_public_headers += gsk_public_vulkan_headers
+
+if have_vulkan
+  install_headers(gsk_public_vulkan_headers, subdir: 'gtk-4.0/gsk/vulkan')
+  gsk_public_headers += gsk_public_vulkan_headers
+endif
 
 gsk_private_vulkan_shaders = []
 # This is an odd split because we use configure_file() below to workaround