fix libselinux

Author: blahgeek

Dockerfile

@@ -58,4 +58,13 @@ RUN apt-get update && apt-get install -y \
     git texinfo pax-utils && \
     rm -rf /var/lib/apt/lists/*
 
+# https://github.com/AppImageCommunity/pkg2appimage/issues/83
+# but single is_selinux_enabled function is not enough
+RUN wget -O libselinux-dummy.tar.gz https://github.com/blahgeek/libselinux-dummy/archive/refs/tags/20220102.tar.gz && \
+    tar xf libselinux-dummy.tar.gz && \
+    cd libselinux-dummy-20220102 && \
+    make && make install && \
+    ln -sf /lib/libselinux.so.1 /lib/$(uname -m)-linux-gnu/libselinux.so.1 && \
+    cd .. && rm -rf libselinux-dummy-20220102 libselinux-dummy.tar.gz
+
 ADD scripts /work/scripts

scripts/build_emacs_in_docker.sh

@@ -67,8 +67,3 @@ popd
 
 cp $SCRIPT_DIR/AppRun $DIST_APPDIR/AppRun
 python3 $SCRIPT_DIR/postprocess.py $DIST_APPDIR
-
-# https://github.com/AppImageCommunity/pkg2appimage/issues/83
-echo "extern int is_selinux_enabled(void){return 0;}" > /tmp/selinux-mock.c
-gcc-8 -s -shared -o /tmp/libselinux.so.1 -Wl,-soname,libselinux.so.1 /tmp/selinux-mock.c
-mv /tmp/libselinux.so.1 ${DIST_APPDIR}/lib/