From ebe88443447012a40c8b95742650c78a696ef5ec Mon Sep 17 00:00:00 2001
From: Hannes Steffenhagen <LeExarmatio@gmail.com>
Date: Sat, 8 Feb 2020 12:49:43 +0000
Subject: [PATCH] Make GSL includes based on CMAKE_INSTALL_INCLUDEDIR

This is to avoid inconsistencies with the `install`
command which specifies this as the destination for includes.
---
 CMakeLists.txt | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index ff226ef..96ab24b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -58,12 +58,12 @@ target_compile_definitions(GSL INTERFACE
 if(GSL_STANDALONE_PROJECT)
     target_include_directories(GSL INTERFACE
         $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
-        $<INSTALL_INTERFACE:include>
+        $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>
     )
 else()
     target_include_directories(GSL SYSTEM INTERFACE
         $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
-        $<INSTALL_INTERFACE:include>
+        $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>
     )
 endif()