More bionic compatibility

core/src/config.cpp

@@ -1,7 +1,12 @@
 #include <config.h>
 #include <spdlog/spdlog.h>
 #include <fstream>
+
+#ifdef USE_EXPERIMENTAL_FS
+#include <experimental/filesystem>
+#else
 #include <filesystem>
+#endif
 
 ConfigManager::ConfigManager() {
 

docker_builds/ubuntu_bionic/do_build.sh

@@ -2,12 +2,15 @@
 set -e
 cd /root
 
-
 apt update
-apt install -y dpkg-dev make gcc-8 g++-8 cmake git libfftw3-dev libglfw3-dev libglew-dev libvolk1-dev libsoapysdr-dev libairspyhf-dev libairspy-dev libiio-dev libad9361-dev librtaudio-dev libhackrf-dev librtlsdr-dev
+apt install -y software-properties-common
+add-apt-repository -y ppa:ubuntu-toolchain-r/test
+apt update
+
+apt install -y dpkg-dev make gcc-10 g++-10 cmake git libfftw3-dev libglfw3-dev libglew-dev libvolk1-dev libsoapysdr-dev libairspyhf-dev libairspy-dev libiio-dev libad9361-dev librtaudio-dev libhackrf-dev librtlsdr-dev
 
 update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-7 700 --slave /usr/bin/g++ g++ /usr/bin/g++-7
-update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-8 800 --slave /usr/bin/g++ g++ /usr/bin/g++-8
+update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-10 1000 --slave /usr/bin/g++ g++ /usr/bin/g++-10
 
 git clone https://github.com/AlexandreRouma/SDRPlusPlus
 
@@ -15,7 +18,7 @@ cd SDRPlusPlus
 mkdir build
 cd build
 cmake ..
-make CXX_FLAGS=-DUSE_OLD_VOLK_ADD=1 -j2
+make CXX_FLAGS='-DUSE_OLD_VOLK_ADD=1 -DUSE_EXPERIMENTAL_FS=1' -j2
 
 cd ..
 sh make_debian_package.sh ./build