From bc152f665cc7a9ac4b90174ac0f0d55f2cf61eb7 Mon Sep 17 00:00:00 2001
From: Sam Edwards <CFSworks@gmail.com>
Date: Wed, 13 Nov 2019 16:38:18 -0700
Subject: [PATCH] CMake: Escape $<LINK_ONLY> in exported packages file

---
 cmake/macros/PackageConfig.cmake | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/cmake/macros/PackageConfig.cmake b/cmake/macros/PackageConfig.cmake
index 2b692e543d..6c615376d5 100644
--- a/cmake/macros/PackageConfig.cmake
+++ b/cmake/macros/PackageConfig.cmake
@@ -417,6 +417,11 @@ function(export_packages filename)
     set(exports "${exports})\n")
   endforeach(pkg)
 
+  # file(GENERATE) does not like $<LINK_ONLY:...> (and it's meant to be
+  # consumed by our importer) so we escape it
+  set(_bling "$<1:$>") # genex-escaped $
+  string(REPLACE "$<LINK_ONLY:" "${_bling}<LINK_ONLY:" exports "${exports}")
+
   file(GENERATE OUTPUT "${filename}" CONTENT "${exports}")
 endfunction(export_packages)