From af606a0e8c6f693448978a300e5603fd5a8f2aef Mon Sep 17 00:00:00 2001
From: Yuri <yuri@rawbw.com>
Date: Tue, 24 Mar 2020 12:14:47 -0700
Subject: [PATCH] Respect DESTDIR during the symbolic link creation for staged
 install operations

---
 CMakeLists.txt | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 32a348c..8ed925b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -36,7 +36,11 @@ CONFIGURE_FILE(${CMAKE_CURRENT_SOURCE_DIR}/config.h.in ${CMAKE_CURRENT_BINARY_DI
 
 
 install(DIRECTORY flow DESTINATION lib/graywolf/bin)
-install(CODE "EXECUTE_PROCESS(COMMAND ln -sf flow.noroute flow WORKING_DIRECTORY ${CMAKE_INSTALL_PREFIX}/lib/graywolf/bin/flow)")
+if ("\$ENV{DESTDIR}" STREQUAL "")
+  install(CODE "EXECUTE_PROCESS(COMMAND ln -sf flow.noroute flow WORKING_DIRECTORY ${CMAKE_INSTALL_PREFIX}/lib/graywolf/bin/flow)")
+else()
+  install(CODE "EXECUTE_PROCESS(COMMAND ln -sf flow.noroute flow WORKING_DIRECTORY \$ENV{DESTDIR}/${CMAKE_INSTALL_PREFIX}/lib/graywolf/bin/flow)")
+endif()
 
 add_subdirectory(src)
 add_subdirectory(script)