Comment 29 for bug 219385

I get this build error:
g++ -o nsWindow.o -c -I../../../dist/stl_wrappers -I../../../dist/system_wrappers -include /home/hussam/packages/firefox/config/gcc_hidden.h -DNATIVE_THEME_SUPPORT -DXPCOM_TRANSLATE_NSGM_ENTRY_POINT=1 -DMOZILLA_INTERNAL_API -D_IMPL_NS_COM -DEXPORT_XPT_API -DEXPORT_XPTC_API -D_IMPL_NS_GFX -D_IMPL_NS_WIDGET -DIMPL_XREAPI -DIMPL_NS_NET -DIMPL_THEBES -DSTATIC_EXPORTABLE_JS_API -DOSTYPE=\"Linux2.6\" -DOSARCH=Linux -DEXCLUDE_SKIA_DEPENDENCIES -DCHROMIUM_MOZILLA_BUILD -DOS_LINUX=1 -DOS_POSIX=1 -DCAIRO_GFX -I/home/hussam/packages/firefox/ipc/chromium/src -I/home/hussam/packages/firefox/ipc/glue -I../../../ipc/ipdl/_ipdlheaders -I/home/hussam/packages/firefox/widget/src/gtk2 -I. -I../../../dist/include -I../../../dist/include/nsprpub -I/usr/include/nspr -I/usr/include/nss -I/home/hussam/packages/firefox/widget/src/gtk2/../xpwidgets -I/home/hussam/packages/firefox/widget/src/gtk2/../shared -I/home/hussam/packages/firefox/other-licenses/atk-1.0 -I/home/hussam/packages/firefox/widget/src/gtk2/../shared/x11 -fPIC -fno-rtti -fno-exceptions -Wall -Wpointer-arith -Woverloaded-virtual -Wsynth -Wno-ctor-dtor-privacy -Wno-non-virtual-dtor -Wcast-align -Wno-invalid-offsetof -Wno-variadic-macros -Werror=return-type -Wno-long-long -fno-strict-aliasing -fshort-wchar -pthread -pipe -DNDEBUG -DTRIMMED -Os -freorder-blocks -fomit-frame-pointer -finline-limit=50 -pthread -I/usr/include/cairo -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include -I/usr/include/pixman-1 -I/usr/include/freetype2 -I/usr/include/libpng14 -pthread -I/usr/include/cairo -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include -I/usr/include/pixman-1 -I/usr/include/freetype2 -I/usr/include/libpng14 -DGSEAL_ENABLE -pthread -I/usr/include/gtk-3.0 -I/usr/include/atk-1.0 -I/usr/include/cairo -I/usr/include/gdk-pixbuf-2.0 -I/usr/include/pango-1.0 -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include -I/usr/include/pixman-1 -I/usr/include/freetype2 -I/usr/include/libpng14 -I/usr/include/gtk-3.0/unix-print -I/usr/include/startup-notification-1.0 -DMOZILLA_CLIENT -include ../../../mozilla-config.h -MD -MF .deps/nsWindow.pp /home/hussam/packages/firefox/widget/src/gtk2/nsWindow.cpp
In file included from /home/hussam/packages/firefox/widget/src/gtk2/nsWindow.cpp:49:0:
/home/hussam/packages/firefox/widget/src/gtk2/../xpwidgets/nsBaseWidget.h:123:24: warning: ‘virtual gfxASurface* nsBaseWidget::GetThebesSurface()’ was hidden
/home/hussam/packages/firefox/widget/src/gtk2/nsWindow.h:339:18: warning: by ‘gfxASurface* nsWindow::GetThebesSurface(GtkWidget*, cairo_t*)’
/home/hussam/packages/firefox/widget/src/gtk2/nsWindow.cpp: In function ‘void SetUserTimeAndStartupIDForActivatedWindow(GtkWidget*)’:
/home/hussam/packages/firefox/widget/src/gtk2/nsWindow.cpp:1377:5: error: ‘GdkDrawable’ was not declared in this scope
/home/hussam/packages/firefox/widget/src/gtk2/nsWindow.cpp:1377:18: error: ‘drawable’ was not declared in this scope
/home/hussam/packages/firefox/widget/src/gtk2/nsWindow.cpp:1377:72: error: ‘GDK_DRAWABLE’ was not declared in this scope
/home/hussam/packages/firefox/widget/src/gtk2/nsWindow.cpp:1385:62: error: ‘gdk_x11_drawable_get_xdisplay’ was not declared in this scope
/home/hussam/packages/firefox/widget/src/gtk2/nsWindow.cpp:1406:76: error: ‘gdk_x11_drawable_get_xid’ was not declared in this scope
/home/hussam/packages/firefox/widget/src/gtk2/nsWindow.cpp: In member function ‘void nsWindow::LoseNonXEmbedPluginFocus()’:
/home/hussam/packages/firefox/widget/src/gtk2/nsWindow.cpp:5097:29: warning: ignoring return value of ‘gint gdk_error_trap_pop()’, declared with attribute warn_unused_result
/home/hussam/packages/firefox/widget/src/gtk2/nsWindow.cpp: In member function ‘void nsWindow::SetNonXEmbedPluginFocus()’:
/home/hussam/packages/firefox/widget/src/gtk2/nsWindow.cpp:5056:25: warning: ignoring return value of ‘gint gdk_error_trap_pop()’, declared with attribute warn_unused_result
make[3]: *** [nsWindow.o] Error 1
make[3]: Leaving directory `/home/hussam/packages/firefox/obj-i686-pc-linux-gnu/widget/src/gtk2'
make[2]: *** [libs] Error 2
make[2]: Leaving directory `/home/hussam/packages/firefox/obj-i686-pc-linux-gnu/widget/src'
make[1]: *** [libs] Error 2
make[1]: Leaving directory `/home/hussam/packages/firefox/obj-i686-pc-linux-gnu/widget'
make: *** [default] Error 2

gtk+ 3.0.2 (but gtk+ 2.24 is also installed although it shouldn't matter as they are installable in parallel)
P.S. I'm just a user.