Bug #76324 [Opn]: [ext/gd] cannot detect recent versions of freetype with pkg-config

From: Date: Thu, 10 May 2018 21:53:25 +0000
Subject: Bug #76324 [Opn]: [ext/gd] cannot detect recent versions of freetype with pkg-config
References: 1  Groups: php.bugs 
Request: Send a blank email to php-bugs+get-215191@lists.php.net to get a copy of this message 
Edit report at https://bugs.php.net/bug.php?id=76324&edit=1

 ID:                 76324
 Updated by:         cmb@php.net
 Reported by:        eschwartz at archlinux dot org
 Summary:            [ext/gd] cannot detect recent versions of freetype
                     with pkg-config
 Status:             Open
 Type:               Bug
 Package:            Compile Failure
 Operating System:   unix-like
 PHP Version:        Irrelevant
 Block user comment: N
 Private report:     N

 New Comment:

This is related to bug #76310 – at least I presume that issue
would be resolved by switching to pkg-config.  I've practically no
experience with pkg-config, so a patch or preferably a pull
request would be welcome.  I'm not sure which PHP version to
target; 5.6 and 7.0 are for security fixes only, and to avoid
issues with stable versions (7.1 and 7.2) it might be best to
target master only.


Previous Comments:
------------------------------------------------------------------------
[2018-05-10 15:54:07] eschwartz at archlinux dot org

Description:
------------
To be more specific, it's using freetype-config to detect freetype, and doesn't try using
pkg-config at all.

This is wrong, as pkg-config is a comprehensive standard which should be used whenever possible, as
in fact php tries to do in other areas *before* falling back on legacy "foo-config" style
shellscripts.

This is also problematic, since https://savannah.nongnu.org/bugs/?53093 removed
the freetype-config script by default, meaning that for the current version of freetype and all
future versions it cannot be relied upon to exist.

Meanwhile, it has been available via pkg-config for approximately 15 years. Since https://git.savannah.gnu.org/cgit/freetype/freetype2.git/commit/?id=1c513fbb8872bfac5631964963b6a751169a1ce6
freetype-config will even do its best to invoke pkg-config on your behalf (but not entirely
successfully in all cases, see the referenced bug).

There's no good reason to continue using the -config wrapper at all. 

Expected result:
----------------
php versions 5.6 through 7.2 (any and all supported versions) should compile on Arch Linux with
freetype >= 2.9.1

Actual result:
--------------
No versions of php will compile, aborting with the error message:

configure: error: freetype-config not found.


------------------------------------------------------------------------



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