%% 2022-09-10
%% A quick attempt 


# echo 'linux_enable="YES"' >> /etc/rc.conf
# /etc/rc.d/linux start
# kldstat | grep linux
# df 
# pkg install linux-c7
# cd /compat/linux/opt 
# tar -xjf ~/firefox-104.0.2.tar.bz2
# mv firefox firefox-104-0-2
# ln -s firefox-104-0-2 firefox
# chown -R root:wheel firefox-104-0-2/

$ /compat/linux/opt/firefox/firefox 

%% library problems, so found the suitable CentOS7 rpms and unpacked into the tree in /compat/linux 
%% the following packages were obtained by suffixing their name to http://www.nic.funet.fi/pub/Linux/mirrors/centos/7/os/x86_64/

# cd /compat/linux 
# pkg install rpm2cpio
# rpm2cpio ~user/Downloads/gtk3-3.22.30-5.el7.x86_64.rpm | cpio -dim
# rpm2cpio ~user/Downloads/cairo-gobject-1.15.12-4.el7.x86_64.rpm | cpio -dim
# rpm2cpio ~user/Downloads/at-spi2-atk-2.26.2-1.el7.x86_64.rpm | cpio -dim
# rpm2cpio ~user/Downloads/at-spi2-atk-devel-2.26.2-1.el7.x86_64.rpm | cpio -dim
# rpm2cpio ~user/Downloads/libepoxy-1.5.2-1.el7.x86_64.rpm | cpio -dim
# rpm2cpio ~user/Downloads/libxkbcommon-x11-0.7.1-3.el7.x86_64.rpm | cpio -dim
# rpm2cpio ~user/Downloads/libxkbcommon-x11-devel-0.7.1-3.el7.x86_64.rpm | cpio -dim
# rpm2cpio ~user/Downloads/libxkbcommon-0.7.1-3.el7.x86_64.rpm | cpio -dim
# rpm2cpio ~user/Downloads/libxkbcommon-devel-0.7.1-3.el7.x86_64.rpm | cpio -dim
# rpm2cpio ~user/Downloads/at-spi2-core-2.28.0-1.el7.x86_64.rpm | cpio -dim

$ /compat/linux/opt/firefox/firefox 
%%  it started a window, but only transparent within a frame 
 (firefox:3361): Gtk-WARNING **: 03:47:13.864: Locale not supported by C library.
        Using the fallback 'C' locale.
  [Parent 3361, Main Thread] WARNING: read-only dup failed (No such file or directory); not using memfd: file /builds/worker/checkouts/gecko/ipc/chromium/src/base/shared_memory_posix.cc:255
  Gtk-Message: 03:47:15.035: Failed to load module "colorreload-gtk-module"
  Gtk-Message: 03:47:15.035: Failed to load module "window-decorations-gtk-module"
  (firefox:3361): Gtk-WARNING **: 03:47:15.060: Could not load a pixbuf from icon theme.
  This may indicate that pixbuf loaders or the mime database could not be found.
  [GFX1-]: glxtest: libpci missing
  [GFX1-]: glxtest: libEGL missing eglGetDisplayDriverName
  GLib-GIO-Message: 03:47:15.828: Using the 'memory' GSettings backend.  Your settings will not be saved or shared with other applications.
  [Child 3393, TaskController #6] WARNING: read-only dup failed (No such file or directory); not using memfd: file /builds/worker/checkouts/gecko/ipc/chromium/src/base/shared_memory_posix.cc:255
  [2022-09-10T01:47:35Z ERROR viaduct::backend::ffi] Missing HTTP status

$ /compat/linux/opt/firefox/firefox --safe-mode 
%%  started ok; changed settings to avoid hardware acceleration - seems to have worked, as it starts ok next time without safe-mode

$ /compat/linux/opt/firefox/firefox 
%%  ok ... runs, but crashes on youtube and spins on netflix on the part for getting the widevine drm plugin, which was the sole purpose of trying the linux version of firefox