errno.h no such file or directory

[gocarlos]

when trying to build a snap:

...
Building gnome-3-34-extension 
make -j2
gcc -Wall -O2 -o bindtextdomain.so -fPIC -shared ./../src/bindtextdomain.c -ldl
./../src/bindtextdomain.c:5:10: fatal error: errno.h: No such file or directory
 #include <errno.h>
          ^~~~~~~~~
compilation terminated.
Makefile:20: recipe for target 'desktop-launch' failed
make: *** [desktop-launch] Error 1
Failed to run 'make -j2' for 'gnome-3-34-extension': Exited with code 2.
Verify that the part is using the correct parameters and try again.

the snapcraft:

...
apps:
  myapp:
    command: myapp
    plugs:
      - network
      - network-bind
      - home
      - desktop
      - desktop-legacy
    extensions: [gnome-3-34]
    desktop: myapp.desktop

parts:
...

I'm using core18 but using gcc9 in my for my parts...
eventually related to #119

if I leave the desktop: myapp.desktop out, then the snap build right, though no desktop launcher available then

[Spurlos]

Chiming in, got same issue when added gnome-3-34 extension to snap project