ccgo-0.3.6.4-16.fc24 fails to build in F24:

g++ -DHAVE_CONFIG_H -I. -I../.. -pthread -I/usr/include/gtkmm-2.4 -I/usr/lib64/gtkmm-2.4/include -I/usr/include/atkmm-1.6 -I/usr/include/gtk-unix-print-2.0 -I/usr/include/gtk-2.0 -I/usr/include/gdkmm-2.4 -I/usr/lib64/gdkmm-2.4/include -I/usr/include/giomm-2.4 -I/usr/lib64/giomm-2.4/include -I/usr/include/pangomm-1.4 -I/usr/lib64/pangomm-1.4/include -I/usr/include/cairomm-1.0 -I/usr/lib64/cairomm-1.0/include -I/usr/include/gtk-2.0 -I/usr/lib64/gtk-2.0/include -I/usr/include/pango-1.0 -I/usr/include/atk-1.0 -I/usr/include/cairo -I/usr/include/pixman-1 -I/usr/include/libdrm -I/usr/include/gdk-pixbuf-2.0 -I/usr/include/libpng16 -I/usr/include/pango-1.0 -I/usr/include/harfbuzz -I/usr/include/pango-1.0 -I/usr/include/freetype2 -I/usr/include/libpng16 -I/usr/include/freetype2 -I/usr/include/libpng16 -I/usr/include/gconfmm-2.6 -I/usr/lib64/gconfmm-2.6/include -I/usr/include/glibmm-2.4 -I/usr/lib64/glibmm-2.4/include -I/usr/include/sigc++-2.0 -I/usr/lib64/sigc++-2.0/include -I/usr/include/gconf/2 -I/usr/include/dbus-1.0 -I/usr/lib64/dbus-1.0/include -I/usr/include/glib-2.0 -I/usr/lib64/glib-2.0/include    -O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector-strong --param=ssp-buffer-size=4 -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -m64 -mtune=generic -c -o misc.o misc.cc
In file included from ../control.hh:24:0,
                 from parser.hh:51,
                 from misc.hh:24,
                 from misc.cc:22:
../connect.hh:24:27: fatal error: sigc++/object.h: No such file or directory
 #include <sigc++/object.h>
                           ^
compilation terminated.

That's caused by upgrading libsigc++20-devel from 2.4.1-3.fc23 to 2.6.0-1.fc23. The libsigc++20-devel removed /usr/include/sigc++-2.0/sigc++/object.h file.