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[libpng17] Checked in missing update to pnglibconf.dfa

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John Bowler 2013-09-30 15:58:53 -05:00 committed by Glenn Randers-Pehrson
parent b37a7c6674
commit 0bfa63cd0d
1 changed files with 7 additions and 0 deletions
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7
scripts/pnglibconf.dfa
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@ -779,6 +779,13 @@ option SAVE_UNKNOWN_CHUNKS enables READ_UNKNOWN_CHUNKS, STORE_UNKNOWN_CHUNKS
# chunks, the callback can either handle the chunk entirely itself or request
# that libpng store the chunk for later retrieval via png_get_unknown_chunks.
#
# NOTE: If STORE_UNKNOWN_CHUNKS is not enabled (which is the default if
# both SAVE_UNKNOWN_CHUNKS and WRITE_UNKNOWN_CHUNKS are disabled) then a
# 0 result from the callback will be ignored because no support for saving
# unknown chunks has been compiled in. The normal symptom is that your app
# fails to compile because png_get_unknown_chunks is no longer defined in png.h.
# If you encounter this issue simply enable STORE_UNKNOWN_CHUNKS in your build.
#
# Note that there is no 'WRITE_USER_CHUNKS' so the USER_CHUNKS option is always
# the same as READ_USER_CHUNKS at present
option READ_USER_CHUNKS requires READ, UNKNOWN_CHUNKS