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[libpng16] Fixed configurations where floating point is completely disabled.

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Because of the changes to support symbol prefixing PNG_INTERNAL_FUNCTION
declares floating point APIs during libpng builds even if they are completely
disabled. This requires the png floating point types (png_double*) to be
declared even though the functions are never actually defined.  This
change provides a dummy definition so that the declarations work, yet any
implementation will fail to compile because of an incomplete type.
This commit is contained in:
John Bowler
2012-08-09 07:35:50 -05:00
committed by Glenn Randers-Pehrson
parent cad0150d12
commit 0a9f8eb272
3 changed files with 23 additions and 4 deletions
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@@ -1,5 +1,5 @@
Libpng 1.6.0beta27 - August 3, 2012
Libpng 1.6.0beta27 - August 9, 2012
This is not intended to be a public release. It will be replaced
within a few weeks by a public version or by another test version.
@@ -399,10 +399,17 @@ Version 1.6.0beta26 [July 10, 2012]
Moved scripts/chkfmt to contrib/tools.
Changed "a+w" to "u+w" in Makefile.in to fix CVE-2012-3386.
Version 1.6.0beta27 [August 3, 2012]
Version 1.6.0beta27 [August 9, 2012]
Do not compile PNG_DEPRECATED, PNG_ALLOC and PNG_PRIVATE when __GNUC__ < 3.
Do not use __restrict when GNUC is <= 3.1
Removed references to png_zalloc() and png_zfree() from the manual.
Fixed configurations where floating point is completely disabled. Because
of the changes to support symbol prefixing PNG_INTERNAL_FUNCTION declares
floating point APIs during libpng builds even if they are completely
disabled. This requires the png floating point types (png_double*) to be
declared even though the functions are never actually defined. This
change provides a dummy definition so that the declarations work, yet any
implementation will fail to compile because of an incomplete type.
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