cheng/libpng
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

[libpng16] Ensure "__has_attribute()" macro exists before trying to use it with

Browse Source 
old clang compilers (MacPorts Ticket #43939).
This commit is contained in:
Glenn Randers-Pehrson 2014-06-07 22:27:44 -05:00
parent ff3fb08157
commit 41694dcaea
3 changed files with 13 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
ANNOUNCE
View File

@ -1,5 +1,5 @@
Libpng 1.6.12rc02 - June 7, 2014 Libpng 1.6.12rc02 - June 8, 2014
This is not intended to be a public release. It will be replaced 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. within a few weeks by a public version or by another test version.
@ -26,11 +26,15 @@ Other information:
Changes since the last public release (1.6.11): Changes since the last public release (1.6.11):
Version 1.6.12rc01 [June 7, 2014] Version 1.6.12rc01 [June 6, 2014]
Relocated new code from 1.6.11beta06 in png.c to a point after the Relocated new code from 1.6.11beta06 in png.c to a point after the
declarations (Max Stepin). declarations (Max Stepin).
Version 1.6.12rc03 [June 8, 2014]
Changed file permissions of contrib/tools/intgamma.sh, Changed file permissions of contrib/tools/intgamma.sh,
test-driver, and compile from 0644 to 0755 (Cosmin). test-driver, and compile from 0644 to 0755 (Cosmin).
Ensure "__has_attribute()" macro exists before trying to use it with
old clang compilers (MacPorts Ticket #43939).
Send comments/corrections/commendations to png-mng-implement at lists.sf.net Send comments/corrections/commendations to png-mng-implement at lists.sf.net
(subscription required; visit (subscription required; visit

6
CHANGES
View File

@ -4925,11 +4925,15 @@ Version 1.6.11rc02 [June 3, 2014]
Version 1.6.11 [June 5, 2014] Version 1.6.11 [June 5, 2014]
No changes. No changes.
Version 1.6.12rc01 [June 7, 2014] Version 1.6.12rc01 [June 6, 2014]
Relocated new code from 1.6.11beta06 in png.c to a point after the Relocated new code from 1.6.11beta06 in png.c to a point after the
declarations (Max Stepin). declarations (Max Stepin).
Version 1.6.12rc03 [June 8, 2014]
Changed file permissions of contrib/tools/intgamma.sh, Changed file permissions of contrib/tools/intgamma.sh,
test-driver, and compile from 0644 to 0755 (Cosmin). test-driver, and compile from 0644 to 0755 (Cosmin).
Ensure "__has_attribute()" macro exists before trying to use it with
old clang compilers (MacPorts Ticket #43939).
Send comments/corrections/commendations to png-mng-implement at lists.sf.net Send comments/corrections/commendations to png-mng-implement at lists.sf.net
(subscription required; visit (subscription required; visit

4
pngconf.h
View File

@ -1,7 +1,7 @@
/* pngconf.h - machine configurable file for libpng /* pngconf.h - machine configurable file for libpng
* *
* libpng version 1.6.12rc02 - June 7, 2014 * libpng version 1.6.12rc02 - June 8, 2014
* *
* Copyright (c) 1998-2014 Glenn Randers-Pehrson * Copyright (c) 1998-2014 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@ -361,7 +361,7 @@
* version 1.2.41. Disabling these removes the warnings but may also produce * version 1.2.41. Disabling these removes the warnings but may also produce
* less efficient code. * less efficient code.
*/ */
# if defined(__clang__) # if defined(__clang__) && defined(__has_attribute)
/* Clang defines both __clang__ and __GNUC__. Check __clang__ first. */ /* Clang defines both __clang__ and __GNUC__. Check __clang__ first. */
# if !defined(PNG_USE_RESULT) && __has_attribute(__warn_unused_result__) # if !defined(PNG_USE_RESULT) && __has_attribute(__warn_unused_result__)
# define PNG_USE_RESULT __attribute__((__warn_unused_result__)) # define PNG_USE_RESULT __attribute__((__warn_unused_result__))