Bug 50958

Trying to compile PackageKit against glib-2-32 and glib-master linking process failed.

The g_bus_get_sync metod is defined in GIO so it's needed to add it to the LDFLAGS.

Trace:

aleiva@lysergic:/opt/gnome-shell/source/PackageKit/contrib/systemd-updates$ make V=1
/bin/bash ../../libtool  --tag=CC   --mode=link gcc -Werror -Wall -Wcast-align -Wno-uninitialized -Wmissing-declarations -Wpointer-arith -Wcast-align -Wwrite-strings -Winit-self -Wreturn-type -Wformat-nonliteral -Wformat-security -Wmissing-include-dirs -Wmissing-format-attribute -Wsign-compare -Wuninitialized -Waggregate-return -Wdeclaration-after-statement -Wshadow -Wno-strict-aliasing -Winline -g -O2  -L/opt/gnome-shell/install/lib  -o pk-offline-update pk_offline_update-pk-offline-update.o -L/opt/gnome-shell/install/lib -lgobject-2.0 -lglib-2.0   ../../lib/packagekit-glib2/libpackagekit-glib2.la 
libtool: link: gcc -Werror -Wall -Wcast-align -Wno-uninitialized -Wmissing-declarations -Wpointer-arith -Wcast-align -Wwrite-strings -Winit-self -Wreturn-type -Wformat-nonliteral -Wformat-security -Wmissing-include-dirs -Wmissing-format-attribute -Wsign-compare -Wuninitialized -Waggregate-return -Wdeclaration-after-statement -Wshadow -Wno-strict-aliasing -Winline -g -O2 -o .libs/pk-offline-update pk_offline_update-pk-offline-update.o  -L/opt/gnome-shell/install/lib -lgobject-2.0 -lglib-2.0 ../../lib/packagekit-glib2/.libs/libpackagekit-glib2.so -Wl,-rpath -Wl,/opt/gnome-shell/install/lib
/usr/bin/ld: pk_offline_update-pk-offline-update.o: undefined reference to symbol 'g_bus_get_sync'
/usr/bin/ld: note: 'g_bus_get_sync' is defined in DSO /opt/gnome-shell/install/lib/libgio-2.0.so.0 so try adding it to the linker command line
/opt/gnome-shell/install/lib/libgio-2.0.so.0: could not read symbols: Invalid operation
collect2: ld returned 1 exit status
make: *** [pk-offline-update] Error 1