This patch fixes a bug in guile-rsvg's build system, whereby the CFLAGS
and LDFLAGS for Guile would not be captured.

--- guile-rsvg-2.18.1/configure.ac	2015-08-31 22:30:30.578909480 +0200
+++ guile-rsvg-2.18.1/configure.ac	2015-08-31 22:32:15.071516084 +0200
@@ -39,6 +39,10 @@ AC_SUBST(WARN_CFLAGS)
 
 GUILE_PKG([2.2 2.0 1.8])
 
+dnl The above macro fails to set the 'GUILE_CFLAGS' and 'GUILE_LIBS'
+dnl substitution variables, hence this line.
+PKG_CHECK_MODULES(GUILE, guile-$GUILE_EFFECTIVE_VERSION)
+
 PKG_CHECK_MODULES(GUILE_CAIRO, guile-cairo >= 1.4.0)
 AC_SUBST(GUILE_CAIRO_LIBS)
 AC_SUBST(GUILE_CAIRO_CFLAGS)
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<div class='path'>path: <a href='/guix/log/?id=25a1c60b1ca99e500d1bd909af85a08eeb2b0ae3'>root</a>/<a href='/guix/log/gnu?id=25a1c60b1ca99e500d1bd909af85a08eeb2b0ae3'>gnu</a>/<a href='/guix/log/gnu/packages?id=25a1c60b1ca99e500d1bd909af85a08eeb2b0ae3'>packages</a>/<a href='/guix/log/gnu/packages/xml.scm?id=25a1c60b1ca99e500d1bd909af85a08eeb2b0ae3'>xml.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/packages/xml.scm?id=25a1c60b1ca99e500d1bd909af85a08eeb2b0ae3&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2022-04-15 19:13:01 +0200'>2022-04-15</span></td><td><a href='/guix/commit/gnu/packages/xml.scm?id=ee617c4800c84c21a976a36b9f612e5a7d05d9f2'>gnu: python-lxml: Add 4.7.1.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/xml.scm (python-lxml-4.7): New variable.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2022-04-08 20:34:49 -0700'>2022-04-08</span></td><td><a href='/guix/commit/gnu/packages/xml.scm?id=47b6451eb55d74161d6e5899f0079e219cfa8a00'>gnu: libxmlb: Update to 0.3.8.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/xlm.scm (libxmlb): Update to 0.3.8.
</span></span></td><td>Vagrant Cascadian</td></tr>
<tr><td><span title='2022-03-16 17:14:19 -0400'>2022-03-16</span></td><td><a href='/guix/commit/gnu/packages/xml.scm?id=69d3896c0fdc4791a45459f9bd005e6397d79805'>gnu: expat: Update to 2.4.7.</a><span class='msg-avail'>...<span class='msg-tooltip'>This fixes some regressions in 2.4.5 and 2.4.6:

https://www.xml.com/news/2022-02-expat-246/
https://www.xml.com/news/2022-03-expat-247/

* gnu/packages/xml.scm (expat/fixed): Update to 2.4.7.
</span></span></td><td>Leo Famulari</td></tr>
<tr><td><span title='2022-02-23 22:51:45 -0500'>2022-02-23</span></td><td><a href='/guix/commit/gnu/packages/xml.scm?id=bd7e98058ddcf038caca4604311660fd9e67a42e'>gnu: Remove python2-odfpy.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/xml.scm (python2-odfpy): Remove variable.

Signed-off-by: Maxim Cournoyer &lt;maxim.cournoyer@gmail.com&gt;
</span></span></td><td>kiasoc5</td></tr>
<tr><td><span title='2022-02-19 10:43:23 +0100'>2022-02-19</span></td><td><a href='/guix/commit/gnu/packages/xml.scm?id=4030ab515bd91a5c2ad09d34ff9328120542587b'>gnu: expat: Update replacement to 2.4.5 [security fixes].</a><span class='msg-avail'>...<span class='msg-tooltip'>This fixes CVE-2022-25235, CVE-2022-25236, CVE-2022-25313, CVE-2022-25314, and
CVE-2022-25315.

* gnu/packages/xml.scm (expat/fixed): Update to 2.4.5.
</span></span></td><td>Marius Bakke</td></tr>
<tr><td><span title='2022-01-30 17:04:34 +0100'>2022-01-30</span></td><td><a href='/guix/commit/gnu/packages/xml.scm?id=5c9c7856a6074027db762ba6c094dba07e62ba13'>gnu: expat: Update replacement to 2.4.4 [fixes CVE-2022-23852, CVE-2022-23990].</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/xml.scm (expat/fixed): Update to 2.4.4.
</span></span></td><td>Marius Bakke</td></tr>
<tr><td><span title='2022-01-16 01:00:00 +0100'>2022-01-16</span></td><td><a href='/guix/commit/gnu/packages/xml.scm?id=2045852b096131a714409aa0cc4fe17938f60b15'>gnu: expat: Add replacement for [security fixes].</a><span class='msg-avail'>...<span class='msg-tooltip'>Fixes CVE-2021-45960, CVE-2021-46143, and CVE-2022-22822…22827.

* gnu/packages/xml.scm (expat/fixed): New variable.
(expat)[replacement]: Use it.
</span></span></td><td>Tobias Geerinckx-Rice</td></tr>