Native Gtk2-Perl apps on Mac OS X

[Gavin Brown]

</lurk>

Hi all,

Forgive me if someone's already posted about doing this: having
installed the GTK+ package from Imendio (gtk-osx.org) on my Macbook I
found installing the Gtk2-Perl mods pretty easy. You pretty much just
need to do this:

$ export
PKG_CONFIG_PATH="/Library/Frameworks/Cairo.framework/Resources/dev/lib/pkgconfig:/Library/Frameworks/GLib.framework/Resources/dev/lib/pkgconfig:/Library/Frameworks/Gtk.framework/Resources/dev/lib/pkgconfig"
$ sudo -H cpan -i ExtUtils::Depends
$ sudo -H cpan -i ExtUtils::PkgConfig
$ sudo -H cpan -i Glib
$ sudo -H cpan -i Cairo
$ sudo -H cpan -i Gtk2

Screenshot at http://jodrell.net/journal/article/k87uog.html.

G.

<lurk>
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[ofey aikon]

> Forgive me if someone's already posted about doing this: having installed
> the GTK+ package from Imendio (gtk-osx.org) on my Macbook I found installing
> the Gtk2-Perl mods pretty easy.

I installed the GTK+ package from Imendio. However, Cairo compilation
fails with the following error.

[snip]

/usr/bin/gcc-4.0 -c  -I. -Ibuild
-I/Library/Frameworks/Cairo.framework/Headers
-I/usr/local/include/freetype2 -I/usr/local/include
-I/opt/local/include/cairo -I/opt/local/include -I/opt/local/include
-fno-common -DPERL_DARWIN -no-cpp-precomp -fno-strict-aliasing -pipe
-Wdeclaration-after-statement -I/opt/local/include -O3
-DVERSION=\"1.060\" -DXS_VERSION=\"1.060\"
"-I/opt/local/lib/perl5/5.8.8/darwin-2level/CORE"   CairoFt.c
CairoFt.c: In function 'XS_Cairo__FtFontFace_create':
CairoFt.c:30: error: 'FT_Face' undeclared (first use in this function)
CairoFt.c:30: error: (Each undeclared identifier is reported only once
CairoFt.c:30: error: for each function it appears in.)
CairoFt.c:30: error: parse error before 'face'
CairoFt.c:34: error: 'face' undeclared (first use in this function)
CairoFt.xs:17: warning: assignment makes pointer from integer without a cast
make: *** [CairoFt.o] Error 1

[/snap]

My guess is this has something to do with freetype. Is that correct?
Is there a way I can compile Cairo without freetype?

Regards,

_Ofey
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[Torsten Schoenfeld]

ofey aikon wrote:
> My guess is this has something to do with freetype. Is that correct?
> Is there a way I can compile Cairo without freetype?

Makefile.PL checks whether to compile FreeType support by using `pkg-config
--exists --silence-errors cairo-ft`.  Apparently, this works for you, so you
have the cairo-ft.pc file installed.  Makefile.PL then uses the equivalent of
`pkg-config --cflags --libs cairo-ft` to get the correct compiler and linker flags.

The compilation error suggests that, despite cairo-ft.pc's presence, you don't
have the FreeType development stuff installed.  If you insist on not installing
it, simply removing cairo-ft.pc should also work.

-Torsten
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[ofey aikon]

>> My guess is this has something to do with freetype. Is that correct?
>> Is there a way I can compile Cairo without freetype?
>
> Makefile.PL checks whether to compile FreeType support by using `pkg-config
> --exists --silence-errors cairo-ft`.  Apparently, this works for you, so you
> have the cairo-ft.pc file installed.  Makefile.PL then uses the equivalent
> of `pkg-config --cflags --libs cairo-ft` to get the correct compiler and
> linker flags.
>
> The compilation error suggests that, despite cairo-ft.pc's presence, you
> don't have the FreeType development stuff installed.  If you insist on not
> installing it, simply removing cairo-ft.pc should also work.

I removed cairo-ft.pc and tried, but the error persists.

I also built freetype on my machine. Tried copying .pc files and .h
files into the /Library/Frameworks/FreeType.framework tree. None of
that seems to work.

I must admit that I am rather new to OS X dev environment. Any tip
will be awesome.

Also, the Extutils-* and GLib compiled without any problems. I am also
able to compile everything using X11. It's the without-X11 attempt
(using Imendio libraries) that fails.

_Ofey.
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[Torsten Schoenfeld]

ofey aikon wrote:
>> The compilation error suggests that, despite cairo-ft.pc's presence, you
>> don't have the FreeType development stuff installed.  If you insist on not
>> installing it, simply removing cairo-ft.pc should also work.
>
> I removed cairo-ft.pc and tried, but the error persists.

You need to re-run `perl Makefile.PL` and `make` for this to have any effect.

> I also built freetype on my machine. Tried copying .pc files and .h
> files into the /Library/Frameworks/FreeType.framework tree. None of
> that seems to work.

The compilation command line you posted earlier suggests that the freetype
headers are looked for in /usr/local/include/freetype2.  The cairo-ft.pc file
should contain more details.

-Torsten
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