[cairo] patches for configure errors under MinGW, OS X deprecation warnings

suzuki toshiya mpsuzuki at hiroshima-u.ac.jp
Sun Feb 8 16:37:49 PST 2015

Still I have Mac OS X 10.4 environment (but for PowerPC).
If a volunteer is needed for a regression test, I raise
my hand. Also I note that I agree with Schmidt's position
to keep the compatibility with earlier Mac OS X.


Andrea Canciani wrote:
> On Sun, Feb 8, 2015 at 11:17 AM, Ryan Schmidt <cairo-2015 at ryandesign.com>
> wrote:
>> On Feb 5, 2015, at 10:42 AM, Andrea Canciani wrote:
>>>> 2) the following patch fixes runtime warnings about CGFontGetGlyphPath
>> deprecation under OS X 10.10 (Yosemite):
>>>>    (discussion at http://comments.gmane.org/gmane.comp.lib.cairo/24875)
>>> I pushed the patch available in the associated bugreport to master:
>>> commit 70cc8f250b5669e757b4f044571ba0f71e3dea9e
>>> Author: Andrea Canciani <ranma42 at gmail.com>
>>> Date:   Tue Dec 9 16:13:00 2014 +0100
>>>     quartz: Remove call to obsolete CGFontGetGlyphPath
>>>     CGFontGetGlyphPath was not public and is not available anymore on
>>>     modern OSX/iOS systems. The same functionality is available through
>>>     the CoreText API since OSX 10.5.
>>>     Based on a patch by Simon Cozens.
>>>     Fixes https://bugs.freedesktop.org/show_bug.cgi?id=84324
>> With this change, cairo now cannot be built on OS X 10.4 with the
>> --enable-quartz-font flag, whereas this worked before:
> This is expected, in fact it is one of the issues I had pointed out on the
> original patch:
> http://permalink.gmane.org/gmane.comp.lib.cairo/24905
> (I also sketched an alternative patch that should/might also work on 10.4)
>> :info:build cairo-quartz-font.c: In function
>> '_cairo_quartz_init_glyph_path':
>> :info:build cairo-quartz-font.c:548: error: 'CTFontRef' undeclared (first
>> use in this function)
>> :info:build cairo-quartz-font.c:548: error: (Each undeclared identifier is
>> reported only once
>> :info:build cairo-quartz-font.c:548: error: for each function it appears
>> in.)
>> :info:build cairo-quartz-font.c:548: error: expected ';' before 'ctFont'
>> :info:build cairo-quartz-font.c:563: error: 'ctFont' undeclared (first use
>> in this function)
>> :info:build cairo-quartz-font.c:563: error: implicit declaration of
>> function 'CTFontCreateWithGraphicsFont'
>> :info:build cairo-quartz-font.c:564: error: implicit declaration of
>> function 'CTFontCreatePathForGlyph'
>> :info:build cairo-quartz-font.c:564: warning: assignment makes pointer
>> from integer without a cast
>> :info:build make[3]: *** [cairo-quartz-font.lo] Error 1
>> Would it be possible to keep the previous code for OS X 10.4 and use the
>> new code on OS X 10.5 and newer?
> It is possible to do that, but testing on 10.4 is becoming pretty hard (I
> have no such environment and I'm afraid that Mozilla is not testing anymore
> on such an old OS). In the bugreport the agreement seemed to be that 10.4
> is too old to be supported. Its removal would also allow for a significant
> cleanup, as 10.4 is missing blend operators.
> I am unsure what the best course is... Chris, Bryce, what are your opinions
> on this?
> Andrea

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