Comment # 3 on bug 1049382 from Bernhard Wiedemann

Ran it with ltrace with little extra gain

+ main_lib(40, 0x7ffc4d0dd4e8, 0x7ffc4d0dd630, 928 <no return ...>
  --- SIGCHLD (Child exited) ---
- In file included from /tmp/tmp_3P7ENZ.cpp:1:
- ./src/egl_context.h:50:3: error: #error "No supported EGL platform selected"
-   #error "No supported EGL platform selected"
-    ^~~~~
- In file included from ./src/egl_context.c:28,
-                  from /tmp/tmp_3P7ENZ.cpp:3:
+ In file included from ./src/wgl_context.c:28,
+                  from /tmp/tmp_OWDHNZ.cpp:1:
  ./src/internal.h:175:3: error: #error "No supported window creation API
selected"
    #error "No supported window creation API selected"
     ^~~~~
- In file included from /tmp/tmp_3P7ENZ.cpp:7:
+ In file included from /tmp/tmp_OWDHNZ.cpp:10:
  ./src/mir_platform.h:34:10: fatal error: mir_toolkit/mir_client_library.h: No
such file or directory
   #include <mir_toolkit/mir_client_library.h>
            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

but these fatal errors could play a role here.