From a4bfce94b2ae8287ecdb451ac39694008a8723a7 Mon Sep 17 00:00:00 2001
From: Nils Wentzell <nwentzell@flatironinstitute.org>
Date: Tue, 28 Apr 2020 17:19:13 -0400
Subject: [PATCH] [cmake] Improve error message for external_dependency
 function

---
 deps/external_dependency.cmake | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/deps/external_dependency.cmake b/deps/external_dependency.cmake
index d408ce56..ef39bcb9 100644
--- a/deps/external_dependency.cmake
+++ b/deps/external_dependency.cmake
@@ -16,7 +16,7 @@ function(external_dependency)
       message(STATUS "Found dependency ${ARGV0} in system.")
       return()
     elseif(Build_Deps STREQUAL "Never")
-      message(FATAL_ERROR "Could not find dependency ${ARGV0} in system.")
+      message(FATAL_ERROR "Could not find dependency ${ARGV0} in system. Please install the dependency manually or use -DBuild_Deps=IfNotFound during cmake configuration to automatically build all dependencies that are not found.")
     endif()
   endif()