RetroPie Buster GCC8 fixes and Qt6 for Docker, macOs

Author: Gemba

VERSION.ini

@@ -1 +1 @@
-VERSION="3.18-dev"
+VERSION="3.17.2"

docker/Dockerfile

@@ -7,7 +7,7 @@ RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone
 # Installing Qt and toolchain
 RUN apt update
 RUN apt install -y --no-install-recommends \
-  build-essential \ 
+  build-essential \
   qt6-base-dev \
   qmake6 \
   qt6-base-dev-tools \

skyscraper.pro

@@ -8,8 +8,11 @@ CONFIG += release
 # set std-C++17 for clang and gcc
 CONFIG += c++1z
 QT += core network sql xml
+
 # for GCC8 (RetroPie Buster)
-LIBS += -lstdc++fs
+system( g++ --version | grep "^g++" | grep -c "8.3." ) {
+  LIBS += -lstdc++fs
+}
 
 # Installation prefix path for bin/Skyscraper and etc/skyscraper/*
 PREFIX=$$(PREFIX)