gitlab-ci: Work around meson bug for non-POSIX utf-8 characters

7 jobs from dockerfiles-source in 2 minutes and 58 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Build
passed #73521
build autotools

00:00:49

passed #73522
build meson

00:00:23

 
  Test
passed #73524
distcheck autotools

00:02:09

failed #73526
allowed to fail
doc-and-install meson

00:00:29

passed #73523
test autotools

00:01:28

canceled #76267
allowed to fail
test meson

failed #73525
allowed to fail
test meson

00:01:01

 
Name Stage Failure
failed
doc-and-install meson Test
[45/48] Compiling C object 'agent/d4f0bc5@@agent@sta/agent.c.o'.
[46/48] Linking static target agent/libagent.a.
[47/48] Linking target nice/libnice.so.10.8.0.
[47/48] Running external command libnice-doc.
Could not execute command "--internal". File not found.
FAILED: meson-libnice-doc
/opt/rh/rh-python36/root/usr/bin/meson --internal commandrunner /builds/ocrete/libnice /builds/ocrete/libnice/build docs/reference/libnice /opt/rh/rh-python36/root/usr/bin/meson /opt/rh/rh-python36/root/usr/bin/meson --internal gtkdoc --sourcedir=/builds/ocrete/libnice --builddir=/builds/ocrete/libnice/build --subdir=docs/reference/libnice --headerdirs=agent@@stun --mainfile=libnice-docs.xml --modulename=libnice --moduleversion= --mode=none --namespace=nice '--scanargs=--rebuild-types@@--ignore-headers=conncheck.h discovery.h stream.h component.h agent-priv.h iostream.h inputstream.h outputstream.h gstnice.h gstnicesrc.h gstnicesink.h md5.h sha1.h stunhmac.h utils.h rand.h stun5389.h stuncrc32.h stund.h agent-signals-marshal.h win32_common.h' --fixxrefargs=--html-dir=/builds/ocrete/libnice/libnice-prefix/share/gtk-doc/html --mkdbargs=--xml-mode@@--output-format=xml@@--name-space=Nice --html-assets=/builds/ocrete/libnice/docs/reference/libnice/states.png --content-files= --cc=cc --ld=cc '--cflags=-I./agent/. -I../agent/. -I./nice/. -I../nice/. -pthread -I/usr/include/glib-2.0 -I/usr/lib64/glib-2.0/include -I/usr/include/p11-kit-1 -I/usr/include/gupnp-igd-1.0 -I/usr/include/gupnp-1.0 -I/usr/include/gssdp-1.0 -I/usr/include/libxml2 -I/usr/include/libsoup-2.4 -I/usr/include/uuid -D_GNU_SOURCE -DHAVE_CONFIG_H -DGLIB_VERSION_MIN_REQUIRED=GLIB_VERSION_2_48 -DGLIB_VERSION_MAX_ALLOWED=GLIB_VERSION_2_48 -fno-strict-aliasing -Wno-suggest-attribute=format' '--ldflags=-L/builds/ocrete/libnice/build/nice -Wl,-rpath,/builds/ocrete/libnice/build/nice -lnice -lgio-2.0 -lgobject-2.0 -lglib-2.0 -pthread -lgthread-2.0 -lgnutls -lgupnp-igd-1.0 -lgupnp-1.0'
ninja: build stopped: subcommand failed.
ERROR: Job failed: exit code 1