> On Sep 2, 2020, at 8:57 AM, Pascal <p....@orange.fr> wrote:
> 
>> 
>> Le 2 sept. 2020 à 16:30, John Ralls <jra...@ceridwen.us> a écrit :
>> 
>>> On Sep 2, 2020, at 3:24 AM, Pascal <p....@orange.fr> wrote:
>>> 
>>> Hello John,
>>> 
>>>> Le 25 août 2020 à 17:21, John Ralls <jra...@ceridwen.us> a écrit :
>>>> 
>>>>> On Aug 25, 2020, at 3:47 AM, Pascal <p....@orange.fr> wrote:
>>>>> 
>>>>>> Le 22 août 2020 à 12:11, Pascal <p....@orange.fr> a écrit :
>>>>>> 
>>>>>>> Le 22 août 2020 à 10:39, Pascal <p....@orange.fr> a écrit :
>>>>>>> 
>>>>>>> Hello,
>>>>>>> I've a compiling error with Pango:
>>>>>>> 
>>>>>>> % jhbuild build meta-gtk-osx-gtk3
>>>>>>> ...
>>>>>>> 
>>>>>>> *** Error during phase build of pango: ########## Error running ninja   
>>>>>>> *** [19/29]
>>>>>>> 
>>>>>>> [1] Rerun phase build
>>>>>>> [2] Ignore error and continue to install
>>>>>>> [3] Give up on module
>>>>>>> [4] Start shell
>>>>>>> [5] Reload configuration
>>>>>>> [6] Go to phase "wipe directory and start over"
>>>>>>> [7] Go to phase "configure"
>>>>>>> [8] Go to phase "clean"
>>>>>>> choice: 
>>>>>> 
>>>>>> Digging in the error, the define CAIRO_HAS_FC_FONT is not set.
>>>>>> It seems that fontconfig should have been built before cairo.
>>>>> 
>>>>> Fontconfig is in the "after" section of Cairo, so it should be ok:
>>>>> 
>>>>> <autotools id="cairo"
>>>>>         autogenargs="--enable-pdf --enable-quartz --disable-xlib 
>>>>> --without-x">
>>>>> <branch repo="freedesktop" module="cairo" revision="1.16"/>
>>>>> <dependencies>
>>>>>  <dep package="pixman"/>
>>>>>  <dep package="meta-gtk-osx-bootstrap"/>
>>>>>  <dep package="freetype-no-harfbuzz"/>
>>>>> </dependencies>
>>>>> <after>
>>>>>  <dep package="fontconfig"/>
>>>>> </after>
>>>>> </autotools>
>>>>> 
>>>>> Is it thus correct with the following fix?
>>>>> 
>>>>> diff --git a/modulesets/gtk-osx.modules b/modulesets/gtk-osx.modules
>>>>> index 297b4fe..ed49555 100644
>>>>> --- a/modulesets/gtk-osx.modules
>>>>> +++ b/modulesets/gtk-osx.modules
>>>>> @@ -107,10 +107,8 @@
>>>>>   <dep package="pixman"/>
>>>>>   <dep package="meta-gtk-osx-bootstrap"/>
>>>>>   <dep package="freetype-no-harfbuzz"/>
>>>>> -    </dependencies>
>>>>> -    <after>
>>>>>   <dep package="fontconfig"/>
>>>>> -    </after>
>>>>> +    </dependencies>
>>>>> </autotools>
>>>>> 
>>>>> Should I then push it to github?
>>>> 
>>>> You mean make a PR? You can't push directly to the repo and in any case 
>>>> the canonical repo is https://gitlab.gnome.org/GNOME/gtk-osx.
>>>> 
>>>> However, FC is supposed to be optional in Pango, see the last line of 
>>>> meson_options.txt
>>> 
>>> Yes I got the same, indeed pango doesn't directly depend on fontconfig but 
>>> expect that CAIRO_HAS_FC_FONT is defined in cairo include files. It is 
>>> defined when fontconfig is seen when building cairo thus fontconfig should 
>>> be built before cairo.
>>> So I was wondering if the present cairo attributs in gtk-osx.modules should 
>>> be changed.
>>> 
>>>> I'm able to build meta-gtk-osx-gtk3 without FontConfig so I wonder how you 
>>>> got into a situation where Pango thinks it should use it but Cairo does 
>>>> not.
>>> 
>>> Cairo configuration:
>>> cairo (version 1.16.0 [release]) will be compiled with:
>>> The following surface backends:
>>> Image:         yes (always builtin)
>>> <...>
>>> The following font backends:
>>> User:          yes (always builtin)
>>> FreeType:      yes
>>> Fontconfig:    no (requires fontconfig >= 2.2.95)
>>> Win32:         no (requires a Win32 platform)
>>> Quartz:        yes
>>> 
>>> Pango configuration:
>>> *** Configuring pango *** [19/29]
>>> <...>
>>> Project name: pango
>>> Project version: 1.44.7
>>> <...>
>>> Dependency fontconfig found: NO unknown version, but need: ['>= 2.11.91']
>>> Run-time dependency fontconfig found: YES
>>> Message: fontconfig has FcWeightFromOpenTypeDouble: NO
>>> 
>>> Would you get my full logs to your private e-mail?
>> 
>> Not particularly. 
>> 
>> I'd rather not require building fontconfig if it's not necessary and while I 
>> don't have a recent stable build without fc, I do have a recent unstable one 
>> without it so I suspect that they've fixed the dependency. There's a new 
>> release, 1.46.1. Can you test that today?
> 
> I've got the same errors:
> pango-1.46.1/pango/pangocairo-fcfont.c:71:10: error: implicit declaration of 
> function 'cairo_ft_font_face_create_for_pattern' is invalid in C99 
> [-Werror,-Wimplicit-function-declaration]
>  return cairo_ft_font_face_create_for_pattern (fcfont->font_pattern);
>         ^
> pango-1.46.1/pango/pangocairo-fcfont.c:71:10: note: did you mean 
> 'cairo_ft_font_face_create_for_ft_face'?
> /opt/xnadalib-2020/include/cairo/cairo-ft.h:56:1: note: 
> 'cairo_ft_font_face_create_for_ft_face' declared here
> cairo_ft_font_face_create_for_ft_face (FT_Face         face,
> ^
> 1 error generated.
> pango-1.46.1/pango/pangocairo-fcfontmap.c:109:5: error: implicit declaration 
> of function 'cairo_ft_font_options_substitute' is invalid in C99 
> [-Werror,-Wimplicit-function-declaration]
>    cairo_ft_font_options_substitute (pango_fc_fontset_key_get_context_key 
> (fontkey),
>    ^
> pango-1.46.1/pango/pangocairo-fcfontmap.c:109:5: note: did you mean 
> 'cairo_font_options_status'?
> /opt/xnadalib-2020/include/cairo/cairo.h:1397:1: note: 
> 'cairo_font_options_status' declared here
> cairo_font_options_status (cairo_font_options_t *options);
> ^
> 1 error generated.
> 
> HTH, Pascal.

Indeed it does. What's happening is that Pango's meson.build insists that it 
must have either both or neither of freetype and fontconfig. So by building 
freetype-no-harfbuzz to get a more complete harfbuzz I'm tripping up pango. 
Unfortunately gitlab.gnome.org seems to be broken ATM so I can't open an issue 
about it, but I'll try rearranging things a bit to work around the problem.

Regards,
John Ralls


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