[libpng17] Check for __has_extension before using it in pngconf.h, to

support older Clang versions (Jeremy Sequoia).
This commit is contained in:
Glenn Randers-Pehrson
2014-02-20 07:11:17 -06:00
parent 848eeacb41
commit 0c5acfa19e
3 changed files with 13 additions and 7 deletions

View File

@@ -1,5 +1,5 @@
Libpng 1.7.0beta32 - February 17, 2014
Libpng 1.7.0beta32 - February 20, 2014
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.
@@ -533,7 +533,7 @@ Version 1.7.0beta31 [February 6, 2014]
and it adds corresponding code to pngimage.c to handle such options
by not attempting to test them.
Version 1.7.0beta32 [February 17, 2014]
Version 1.7.0beta32 [February 20, 2014]
Moved redefines of png_error(), png_warning(), png_chunk_error(),
and png_chunk_warning() from pngpriv.h to png.h to make them visible
to libpng-calling applications.
@@ -548,6 +548,8 @@ Version 1.7.0beta32 [February 17, 2014]
run all the png_handle_*() and depend on them to return if info_ptr == NULL.
This improves the performance of png_read_end(png_ptr, NULL) and makes
it more robust against future programming errors.
Check for __has_extension before using it in pngconf.h, to
support older Clang versions (Jeremy Sequoia).
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