Commands of D00m

have-defines-in-meson-files

find -name '*.build' > meson_list_of_files

#grep for everything where we have something like HAVE in defined of ifdef

for file in $(cat meson_list_of_files) ; do
   grep "$file" -e "HAVE_"
done > meson_have_occ

#now only get the HAVE_ thingy
grep -o '[A-Z_0-9]*' < meson_have_occ > meson_needed_symbols

sort -u meson_needed_symbols > meson_symbols


meson_

have-in-c-files.sh

find -name '*.c' > list_of_c_files

#grep for everything where we have something like HAVE in defined of ifdef

for file in $(cat list_of_c_files) ; do
   grep "$file" -e "ifdef HAVE_"
done > have_occ

for file in $(cat list_of_c_files) ; do
   grep "$file" -e "defined(HAVE_"
done >> have_occ

#now only get the HAVE_ thingy
grep -o '[A-Z_0-9]*' < have_occ > needed_symbols

sort -u needed_symbols > symbols