Index: 0ad-0.0.26-alpha/build/premake/extern_libs5.lua
===================================================================
--- 0ad-0.0.26-alpha.orig/build/premake/extern_libs5.lua
+++ 0ad-0.0.26-alpha/build/premake/extern_libs5.lua
@@ -396,6 +396,7 @@ extern_lib_defs = {
 				add_default_include_paths("icu")
 			else
 				pkgconfig.add_includes("icu-i18n")
+				pkgconfig.add_includes("icu-uc")
 			end
 		end,
 		link_settings = function()
@@ -408,6 +409,7 @@ extern_lib_defs = {
 				})
 			else
 				pkgconfig.add_links("icu-i18n")
+				pkgconfig.add_links("icu-uc")
 			end
 		end,
 	},