From aae402a08df7ccaacf47cd8a70064454ed065ec5 Mon Sep 17 00:00:00 2001
From: Christoph Rettinger <christoph.rettinger@fau.de>
Date: Mon, 26 Feb 2018 13:46:07 +0100
Subject: [PATCH] Changed CMake dirs to current dirs to work with external apps

---
 CMakeLists.txt | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0586465a8..6ad1c28c1 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -444,19 +444,19 @@ endif()
 ##
 ############################################################################################################################
 
-try_compile( WALBERLA_USE_STD_FILESYSTEM "${CMAKE_BINARY_DIR}" "${CMAKE_SOURCE_DIR}/cmake/TestStdFilesystem.cpp"
+try_compile( WALBERLA_USE_STD_FILESYSTEM "${CMAKE_CURRENT_BINARY_DIR}" "${CMAKE_CURRENT_SOURCE_DIR}/cmake/TestStdFilesystem.cpp"
              COMPILE_DEFINITIONS -DWALBERLA_USE_STD_FILESYSTEM ${CMAKE_CXX14_STANDARD_COMPILE_OPTION} )
 if( WALBERLA_USE_STD_FILESYSTEM )
    message( STATUS "Found std::filesystem")
 else()
-   try_compile( WALBERLA_USE_STD_EXPERIMENTAL_FILESYSTEM "${CMAKE_BINARY_DIR}" "${CMAKE_SOURCE_DIR}/cmake/TestStdFilesystem.cpp"
+   try_compile( WALBERLA_USE_STD_EXPERIMENTAL_FILESYSTEM "${CMAKE_CURRENT_BINARY_DIR}" "${CMAKE_CURRENT_SOURCE_DIR}/cmake/TestStdFilesystem.cpp"
                 COMPILE_DEFINITIONS -DWALBERLA_USE_STD_EXPERIMENTAL_FILESYSTEM ${CMAKE_CXX14_STANDARD_COMPILE_OPTION} )
    if( WALBERLA_USE_STD_EXPERIMENTAL_FILESYSTEM )
       message( STATUS "Found std::experimental::filesystem")
    endif()
    if( NOT WALBERLA_CXX_COMPILER_IS_MSVC AND NOT WALBERLA_USE_STD_EXPERIMENTAL_FILESYSTEM )
       unset( WALBERLA_USE_STD_EXPERIMENTAL_FILESYSTEM CACHE )
-      try_compile( WALBERLA_USE_STD_EXPERIMENTAL_FILESYSTEM "${CMAKE_BINARY_DIR}" "${CMAKE_SOURCE_DIR}/cmake/TestStdFilesystem.cpp"
+      try_compile( WALBERLA_USE_STD_EXPERIMENTAL_FILESYSTEM "${CMAKE_CURRENT_BINARY_DIR}" "${CMAKE_CURRENT_SOURCE_DIR}/cmake/TestStdFilesystem.cpp"
                    COMPILE_DEFINITIONS -DWALBERLA_USE_STD_EXPERIMENTAL_FILESYSTEM ${CMAKE_CXX14_STANDARD_COMPILE_OPTION}
                    LINK_LIBRARIES stdc++fs )
       if( WALBERLA_USE_STD_EXPERIMENTAL_FILESYSTEM )
@@ -466,7 +466,7 @@ else()
    endif()
    if( NOT WALBERLA_CXX_COMPILER_IS_MSVC AND NOT WALBERLA_USE_STD_EXPERIMENTAL_FILESYSTEM )
       unset( WALBERLA_USE_STD_EXPERIMENTAL_FILESYSTEM CACHE )
-      try_compile( WALBERLA_USE_STD_EXPERIMENTAL_FILESYSTEM "${CMAKE_BINARY_DIR}" "${CMAKE_SOURCE_DIR}/cmake/TestStdFilesystem.cpp"
+      try_compile( WALBERLA_USE_STD_EXPERIMENTAL_FILESYSTEM "${CMAKE_CURRENT_BINARY_DIR}" "${CMAKE_CURRENT_SOURCE_DIR}/cmake/TestStdFilesystem.cpp"
                    COMPILE_DEFINITIONS -DWALBERLA_USE_STD_EXPERIMENTAL_FILESYSTEM ${CMAKE_CXX14_STANDARD_COMPILE_OPTION}
                    LINK_LIBRARIES c++experimental )
       if( WALBERLA_USE_STD_EXPERIMENTAL_FILESYSTEM )
@@ -476,24 +476,24 @@ else()
    endif()
 endif()
 
-try_compile( WALBERLA_USE_STD_ANY "${CMAKE_BINARY_DIR}" "${CMAKE_SOURCE_DIR}/cmake/TestStdAny.cpp"
+try_compile( WALBERLA_USE_STD_ANY "${CMAKE_CURRENT_BINARY_DIR}" "${CMAKE_CURRENT_SOURCE_DIR}/cmake/TestStdAny.cpp"
              COMPILE_DEFINITIONS -DWALBERLA_USE_STD_ANY ${CMAKE_CXX14_STANDARD_COMPILE_OPTION} )
 if( WALBERLA_USE_STD_ANY )
    message( STATUS "Found std::any")
 else()
-   try_compile( WALBERLA_USE_STD_EXPERIMENTAL_ANY "${CMAKE_BINARY_DIR}" "${CMAKE_SOURCE_DIR}/cmake/TestStdAny.cpp"
+   try_compile( WALBERLA_USE_STD_EXPERIMENTAL_ANY "${CMAKE_CURRENT_BINARY_DIR}" "${CMAKE_CURRENT_SOURCE_DIR}/cmake/TestStdAny.cpp"
                 COMPILE_DEFINITIONS -DWALBERLA_USE_STD_EXPERIMENTAL_ANY ${CMAKE_CXX14_STANDARD_COMPILE_OPTION} )
    if( WALBERLA_USE_STD_EXPERIMENTAL_ANY )
       message( STATUS "Found std::experimental::any")
    endif()
 endif()
 
-try_compile( WALBERLA_USE_STD_OPTIONAL "${CMAKE_BINARY_DIR}" "${CMAKE_SOURCE_DIR}/cmake/TestStdOptional.cpp"
+try_compile( WALBERLA_USE_STD_OPTIONAL "${CMAKE_CURRENT_BINARY_DIR}" "${CMAKE_CURRENT_SOURCE_DIR}/cmake/TestStdOptional.cpp"
              COMPILE_DEFINITIONS -DWALBERLA_USE_STD_OPTIONAL ${CMAKE_CXX14_STANDARD_COMPILE_OPTION} )
 if( WALBERLA_USE_STD_OPTIONAL )
    message( STATUS "Found std::optional")
 else()
-   try_compile( WALBERLA_USE_STD_EXPERIMENTAL_OPTIONAL "${CMAKE_BINARY_DIR}" "${CMAKE_SOURCE_DIR}/cmake/TestStdOptional.cpp"
+   try_compile( WALBERLA_USE_STD_EXPERIMENTAL_OPTIONAL "${CMAKE_CURRENT_BINARY_DIR}" "${CMAKE_CURRENT_SOURCE_DIR}/cmake/TestStdOptional.cpp"
                 COMPILE_DEFINITIONS -DWALBERLA_USE_STD_EXPERIMENTAL_OPTIONAL ${CMAKE_CXX14_STANDARD_COMPILE_OPTION} )
    if( WALBERLA_USE_STD_EXPERIMENTAL_OPTIONAL )
       message( STATUS "Found std::experimental::optional")
-- 
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