# Look for configure #defines in public headers.
# There are incorrect, as external users don't have our <config.h>.
regexp="$(cat ../config.h.in | \
- sed -n -e 's/^#undef \([A-Z0-9_]*\)$/\1/p' | \
+ sed -n -e 's/^#undef \([[:upper:][:digit:]_]*\)$/\1/p' | \
grep -v 'WORDS_BIGENDIAN' | \
grep -v 'UNICODE' | \
grep -v '__LIBVLC__' | \