Solve this a different way, update .travis.yml, DISABLE_THREADS

target will also now disable glslang

.travis.yml

@@ -154,7 +154,7 @@ before_script:
      fi
   - |
      if [ -n "$DISABLE_THREADS" ]; then
-       ARGS="$ARGS --disable-threads"
+       ARGS="$ARGS --disable-threads --disable-glslang"
      fi
   - |
      if [ -n "$DISABLE_AUDIOMIXER" ]; then

qb/config.libs.sh

@@ -198,7 +198,6 @@ else
    add_opt NETWORK_CMD no
 fi
 
-check_enabled NETWORKING GLSLANG glslang 'Networking is' false
 check_enabled NETWORKING CHEEVOS cheevos 'Networking is' false
 check_enabled NETWORKING DISCORD discord 'Networking is' false
 check_enabled NETWORKING MINIUPNPC miniupnpc 'Networking is' false