$ make
[ 50%] Generating src/Pantheon-screenshot.c
[ 50%] Generating src/Pantheon-screenshot.c
[100%] Building C object CMakeFiles/pantheon-screenshot.dir/src/Pantheon-screenshot.c.o
In file included from /home/gp/Projects/pantheon-screenshot/build/src/Pantheon-screenshot.c:27:0:
/usr/include/glib-2.0/glib/gi18n-lib.h:29:2: error: #error You must define GETTEXT_PACKAGE before including gi18n-lib.h. Did you forget to include config.h?
/home/gp/Projects/pantheon-screenshot/build/src/Pantheon-screenshot.c: In function ‘screenshot_app_construct’:
/home/gp/Projects/pantheon-screenshot/build/src/Pantheon-screenshot.c:219:12: error: ‘GETTEXT_PACKAGE’ undeclared (first use in this function)
/home/gp/Projects/pantheon-screenshot/build/src/Pantheon-screenshot.c:219:12: note: each undeclared identifier is reported only once for each function it appears in
make[2]: *** [CMakeFiles/pantheon-screenshot.dir/src/Pantheon-screenshot.c.o] Error 1
make[1]: *** [CMakeFiles/pantheon-screenshot.dir/all] Error 2
make: *** [all] Error 2