From 9d7946e13cb3c9eca660bc33eb45a89633872bf1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Luiz=20Rom=C3=A1rio=20Santana=20Rios?=
 <luizromario@tecgraf.puc-rio.br>
Date: Thu, 17 Sep 2020 20:38:48 -0300
Subject: [PATCH] Link <filesystem> lib for GCC

---
 src/CMakeLists.txt    | 7 +++++--
 src/fs/CMakeLists.txt | 5 +++++
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 400a926..2f98774 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -35,8 +35,11 @@ add_subdirectory(json)
 
 target_link_libraries(${PROJECT_NAME} application_lib)
 
+# GCC requires explicit linking to the <filesystem> static lib
+if(CMAKE_COMPILER_IS_GNUCXX)
+    target_link_libraries(${PROJECT_NAME} stdc++fs)
+endif()
+
 if(MSVC)
     set_target_properties(${PROJECT_NAME} PROPERTIES LINK_FLAGS "/INCREMENTAL:NO")
 endif()
-
-
diff --git a/src/fs/CMakeLists.txt b/src/fs/CMakeLists.txt
index 7cf9a3e..e62f0a1 100644
--- a/src/fs/CMakeLists.txt
+++ b/src/fs/CMakeLists.txt
@@ -10,3 +10,8 @@ file(GLOB fs_sources
 )
 
 add_library( ${PROJECT_NAME}_lib STATIC ${fs_sources} )
+
+# GCC requires explicit linking to the <filesystem> static lib
+if(CMAKE_COMPILER_IS_GNUCXX)
+    target_link_libraries(${PROJECT_NAME}_lib stdc++fs)
+endif()