Do not assume the SDL_image and SLD_mixer libraries are installed at the same
prefix reported by sdl-config, but instead get flags from the pkg-config files
installed with these libraries.

--- a/SConscript	2011-12-24 15:46:47.000000000 -0600
+++ b/SConscript	2014-06-12 21:20:45.702668330 -0500
@@ -199,7 +199,13 @@
                 self.fatal_error += "  * library 'png' not found\n"
 
     def configure_sdl(self):
-        if self.conf.CheckMyProgram('sdl-config'):
+        if self.conf.CheckMyProgram('pkg-config'):
+            self.conf.env.ParseConfig("pkg-config --cflags --libs sdl")
+            for sdllib in ['image', 'mixer']:
+                self.conf.env.ParseConfig("pkg-config --cflags --libs SDL_%s" % sdllib)
+                if not self.conf.CheckSDLLib(sdllib):
+                    self.fatal_error += "  * SDL library '%s' not found\n" % sdllib
+        elif self.conf.CheckMyProgram('sdl-config'):
             self.conf.env.ParseConfig("sdl-config  --cflags --libs | sed 's/-I/-isystem/g'")
             for sdllib in ['image', 'mixer']:
                 if not self.conf.CheckSDLLib(sdllib):
44bb927fc88223a15431428cb741dd1c2c'>refs</a><a class='active' href='/guix/log/gnu/installer/connman.scm'>log</a><a href='/guix/tree/gnu/installer/connman.scm?id=3ecf9d44bb927fc88223a15431428cb741dd1c2c'>tree</a><a href='/guix/commit/gnu/installer/connman.scm?id=3ecf9d44bb927fc88223a15431428cb741dd1c2c'>commit</a><a href='/guix/diff/gnu/installer/connman.scm?id=3ecf9d44bb927fc88223a15431428cb741dd1c2c'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/gnu/installer/connman.scm'>
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<div class='path'>path: <a href='/guix/log/?id=3ecf9d44bb927fc88223a15431428cb741dd1c2c'>root</a>/<a href='/guix/log/gnu?id=3ecf9d44bb927fc88223a15431428cb741dd1c2c'>gnu</a>/<a href='/guix/log/gnu/installer?id=3ecf9d44bb927fc88223a15431428cb741dd1c2c'>installer</a>/<a href='/guix/log/gnu/installer/connman.scm?id=3ecf9d44bb927fc88223a15431428cb741dd1c2c'>connman.scm</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/gnu/installer/connman.scm?id=3ecf9d44bb927fc88223a15431428cb741dd1c2c&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2022-02-26 15:56:55 +0100'>2022-02-26</span></td><td><a href='/guix/commit/gnu/installer/connman.scm?id=cc11905568065409fe46487174e1cf404291bda1'>installer: Continue even if Connman cannot phone home.</a><span class='msg-avail'>...<span class='msg-tooltip'>Connman's online check is unreliable for me.

* gnu/installer/connman.scm (connman-online?): Accept if
connman state is ready instead of online.
</span></span></td><td>Florian Pelz</td></tr>
<tr><td><span title='2020-09-21 00:31:15 +0200'>2020-09-21</span></td><td><a href='/guix/commit/gnu/installer/connman.scm?id=e1f3788944ee154ba9b33c891c4ccf039a1ff39a'>installer: Fix docstring typoes.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/installer/connman.scm (connman-state, run-locale-page)
(start-swapping, stop-swapping, run-installer-steps): Fix typo in
docstring.
</span></span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2020-04-19 11:46:21 +0200'>2020-04-19</span></td><td><a href='/guix/commit/gnu/installer/connman.scm?id=ea6594e08e2724c64bc07724a07479fc1633dede'>installer: connman: Fix Wifi connection.</a><span class='msg-avail'>...<span class='msg-tooltip'>Issue reported by SergioBG here:
https://lists.gnu.org/archive/html/bug-guix/2020-04/msg00432.html.

Due to default buffering mode, the installer was reading from the pipe without
having actually written a command before.

* gnu/installer/connman.scm (connman-connect-with-auth): Set pipe buffering
mode to 'line.
</span></span></td><td>Mathieu Othacehe</td></tr>