The commit id: e9085043 cause build failed on Ubuntu Xenial (16.04)
The build failed log like below -
01:26:38,722 INFO - cc -o tests/misc/netclock-replay 'tests/misc/50e581c@@netclock-replay@exe/netclock-replay.c.o' -L/opt/media/install/lib -Wl,--as-needed -Wl,--no-undefined -Wl,-Bsymbolic-functions -g3 -Wl,--start-group gst/libgstreamer-1.0.so.0.1700.0 /usr/lib/x86_64-linux-gnu/libgio-2.0.so /usr/lib/x86_64-linux-gnu/libgobject-2.0.so /usr/lib/x86_64-linux-gnu/libglib-2.0.so -Wl,--export-dynamic /usr/lib/x86_64-linux-gnu/libgmodule-2.0.so -Wl,--end-group -pthread '-Wl,-rpath,$ORIGIN/../../gst' -Wl,-rpath-link,/opt/media/build/gstreamer/__meson_build/gst
01:26:38,722 INFO - tests/misc/50e581c@@netclock-replay@exe/netclock-replay.c.o: In function `parse_time_values':
01:26:38,722 INFO - /opt/media/build/gstreamer/__meson_build/../tests/misc/netclock-replay.c:66: undefined reference to `g_ascii_string_to_unsigned'
01:26:38,723 INFO - /opt/media/build/gstreamer/__meson_build/../tests/misc/netclock-replay.c:69: undefined reference to `g_ascii_string_to_unsigned'
01:26:38,723 INFO - /opt/media/build/gstreamer/__meson_build/../tests/misc/netclock-replay.c:73: undefined reference to `g_ascii_string_to_unsigned'
01:26:38,723 INFO - /opt/media/build/gstreamer/__meson_build/../tests/misc/netclock-replay.c:77: undefined reference to `g_ascii_string_to_unsigned'
01:26:38,723 INFO - collect2: error: ld returned 1 exit status
01:26:38,723 INFO - ninja: build stopped: subcommand failed.
01:26:38,731 INFO - err: "ninja -C __meson_build -v -j 4" failed - exitcode 1
It looks like "g_ascii_string_to_unsigned" first supported in Glib is 2.53.2
http://ftp.gnome.org/pub/gnome/sources/glib/2.53/glib-2.53.2.news
But in Ubuntu Xenial 16.04 the GLib version is 2.48.2
$ dpkg -l | grep libglib
ii libglib2.0-0:amd64 2.48.2-0ubuntu4.4 amd64 GLib library of C routines
ii libglib2.0-bin 2.48.2-0ubuntu4.4 amd64 Programs for the GLib library
ii libglib2.0-data 2.48.2-0ubuntu4.4 all Common files for GLib library
ii libglib2.0-dev 2.48.2-0ubuntu4.4 amd64 Development files for the GLib library