meson: use get_variable() update to meson 0.51
treebb6be90a6b1cbdd8a9bb09a03a8579e1a70913e8
-rw-r--r-- 1031 .clang-format
-rw-r--r-- 216 .editorconfig
-rw-r--r-- 1064 .gitignore
-rw-r--r-- 3396 .gitlab-ci.yml
drwxr-xr-x - .gitlab-ci
-rw-r--r-- 917 .mailmap
-rw-r--r-- 3749 Android.mk
-rw-r--r-- 6974 CMakeLists.txt
-rw-r--r-- 5670 HACKING.txt
-rw-r--r-- 1295 LICENSE.txt
-rw-r--r-- 1403 Options.cmake
-rw-r--r-- 12182 README.md
drwxr-xr-x - bin
drwxr-xr-x - cmake
drwxr-xr-x - doc
drwxr-xr-x - doxygen
drwxr-xr-x - examples
drwxr-xr-x - include
drwxr-xr-x - man
-rw-r--r-- 8908 meson.build
-rw-r--r-- 2371 meson_options.txt
drwxr-xr-x - pkg
drwxr-xr-x - shell-completion
drwxr-xr-x - src
drwxr-xr-x - subprojects
drwxr-xr-x - tests
drwxr-xr-x - third_party
-rw-r--r-- 338 waffle.pc.in
drwxr-xr-x - www