From 021627fff495da0ce0464bf359644880921cc07d Mon Sep 17 00:00:00 2001
From: Martin Shetty <1972005+martukas@users.noreply.github.com>
Date: Wed, 13 Oct 2021 21:02:22 -0700
Subject: [PATCH] "std filsystem linking for older compilers; updates #255"

---
 source/cmd/CMakeLists.txt | 7 +++++++
 source/gui/CMakeLists.txt | 6 ++++++
 2 files changed, 13 insertions(+)

diff --git a/source/cmd/CMakeLists.txt b/source/cmd/CMakeLists.txt
index 2f54b9bf..7da104f8 100644
--- a/source/cmd/CMakeLists.txt
+++ b/source/cmd/CMakeLists.txt
@@ -11,3 +11,10 @@ target_link_libraries(
   PRIVATE ${PROJECT_NAME}_producers
   PRIVATE ${PROJECT_NAME}_consumers
 )
+
+# Link stdc++fs or c++experimental to get std::experimental::filesystem when necessary
+target_link_libraries(${this_target}
+  $<$<AND:$<CXX_COMPILER_ID:GNU>,$<VERSION_LESS:$<CXX_COMPILER_VERSION>,9.0>>:stdc++fs>)
+target_link_libraries(${this_target}
+  $<$<AND:$<CXX_COMPILER_ID:AppleClang>,$<VERSION_LESS:$<CXX_COMPILER_VERSION>,11.0>>:c++fs>)
+
diff --git a/source/gui/CMakeLists.txt b/source/gui/CMakeLists.txt
index ec206414..03286086 100644
--- a/source/gui/CMakeLists.txt
+++ b/source/gui/CMakeLists.txt
@@ -65,3 +65,9 @@ target_link_libraries(
   Qt5::PrintSupport
   Qt5::Network
 )
+
+# Link stdc++fs or c++experimental to get std::experimental::filesystem when necessary
+target_link_libraries(${this_target}
+  $<$<AND:$<CXX_COMPILER_ID:GNU>,$<VERSION_LESS:$<CXX_COMPILER_VERSION>,9.0>>:stdc++fs>)
+target_link_libraries(${this_target}
+  $<$<AND:$<CXX_COMPILER_ID:AppleClang>,$<VERSION_LESS:$<CXX_COMPILER_VERSION>,11.0>>:c++fs>)