From 2e039d3955a5f8d47abdd46e9a0c505b1f477dd6 Mon Sep 17 00:00:00 2001
From: tamasmeszaros <meszaros.q@gmail.com>
Date: Thu, 6 Feb 2020 11:59:02 +0100
Subject: [PATCH] Fix dll copying

---
 CMakeLists.txt | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index bc0c80869..878f2373e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -440,16 +440,25 @@ function(prusaslicer_copy_dlls target)
         set(_bits 32)
     endif ()
     
-    get_target_property(_out_dir ${target} BINARY_DIR)
+    get_property(_is_multi GLOBAL PROPERTY GENERATOR_IS_MULTI_CONFIG)
+    get_target_property(_alt_out_dir ${target} RUNTIME_OUTPUT_DIRECTORY)
+
+    if (_alt_out_dir)
+        set (_out_dir "${_alt_out_dir}")
+    elseif (_is_multi)
+        set (_out_dir "$<TARGET_PROPERTY:${target},BINARY_DIR>/$<CONFIG>")
+    else ()
+        set (_out_dir "$<TARGET_PROPERTY:${target},BINARY_DIR>")
+    endif ()
     
     # This has to be a separate target due to the windows command line lenght limits    
     add_custom_command(TARGET ${target} POST_BUILD 
-        COMMAND ${CMAKE_COMMAND} -E copy ${TOP_LEVEL_PROJECT_DIR}/deps/GMP/gmp/lib/win${_bits}/libgmp-10.dll ${_out_dir}/
+        COMMAND ${CMAKE_COMMAND} -E copy ${TOP_LEVEL_PROJECT_DIR}/deps/GMP/gmp/lib/win${_bits}/libgmp-10.dll ${_out_dir}
         COMMENT "Copy gmp runtime to build tree"
         VERBATIM)
     
     add_custom_command(TARGET ${target} POST_BUILD 
-        COMMAND ${CMAKE_COMMAND} -E copy ${TOP_LEVEL_PROJECT_DIR}/deps/MPFR/mpfr/lib/win${_bits}/libmpfr-4.dll ${_out_dir}/
+        COMMAND ${CMAKE_COMMAND} -E copy ${TOP_LEVEL_PROJECT_DIR}/deps/MPFR/mpfr/lib/win${_bits}/libmpfr-4.dll ${_out_dir}
         COMMENT "Copy mpfr runtime to build tree"
         VERBATIM)