From fd31feb03f99dad93f3ba14e093480713c1eb3b3 Mon Sep 17 00:00:00 2001
From: Sergiu Deitsch <sergiu.deitsch@gmail.com>
Date: Sat, 19 Mar 2016 16:21:29 +0100
Subject: CMakePackageConfigHelpers: allow to specify a relative
 CMAKE_INSTALL_PREFIX

---
 Modules/CMakePackageConfigHelpers.cmake | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Modules/CMakePackageConfigHelpers.cmake b/Modules/CMakePackageConfigHelpers.cmake
index 206ea7a..5e5302f 100644
--- a/Modules/CMakePackageConfigHelpers.cmake
+++ b/Modules/CMakePackageConfigHelpers.cmake
@@ -241,8 +241,10 @@ function(CONFIGURE_PACKAGE_CONFIG_FILE _inputFile _outputFile)
     else()
       message(FATAL_ERROR "INSTALL_PREFIX must be an absolute path")
     endif()
-  else()
+  elseif(IS_ABSOLUTE "${CMAKE_INSTALL_PREFIX}")
     set(installPrefix "${CMAKE_INSTALL_PREFIX}")
+  else()
+    get_filename_component(installPrefix "${CMAKE_INSTALL_PREFIX}" ABSOLUTE)
   endif()
 
   if(IS_ABSOLUTE "${CCF_INSTALL_DESTINATION}")
-- 
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