boost filesystem is not used (#109)

Author: markaren

.circleci/config.yml

@@ -7,7 +7,7 @@ jobs:
       - checkout
       - run:
           name: Installing tools and libraries
-          command: 'apt-get update && apt-get install -y sudo gcc g++ cmake libzip-dev libboost-dev libboost-filesystem-dev libboost-test-dev && rm -rf /var/lib/apt/lists/*'
+          command: 'apt-get update && apt-get install -y sudo gcc g++ cmake libzip-dev libboost-dev libboost-test-dev && rm -rf /var/lib/apt/lists/*'
       - run:
           name: Configuring
           command: 'cmake -H. -Bbuild -DFMI4CPP_BUILD_TESTS=ON -DFMI4CPP_BUILD_EXAMPLES=ON'

BUILDING.md

@@ -18,7 +18,7 @@ When using conan, set `FMI4CPP_USING_CONAN=ON`.
 ##### apt-get
 
 ```bash
-Linux:~/$ sudo apt-get install libzip-dev libboost-dev libboost-filesystem-dev
+Linux:~/$ sudo apt-get install libzip-dev libboost-dev
 ``` 
 
 ### Running examples/tests