Our llvm does not contain a single top-level library, so consult llvm-config
for the libraries that need to be linked against.

--- clamav-0.100.2/libclamav/c++/configure.ac	2018-09-19 14:29:07.000000000 -0500
+++ clamav-0.100.2/libclamav/c++/configure.ac	2018-10-06 21:45:09.377249158 -0500
@@ -105,7 +105,7 @@
 
     if test "x$llvm_linking" = "xdynamic"; then
         AC_SUBST(LLVMCONFIG_LDFLAGS, [`$llvmconfig --ldflags`])
-        AC_SUBST(LLVMCONFIG_LIBS, [-lLLVM-$llvmver])
+        AC_SUBST(LLVMCONFIG_LIBS, [`$llvmconfig --libs $llvmcomp`])
         AC_SUBST(LLVMCONFIG_LIBFILES, [])
     else
         if test $llvmver_test -ge 350; then
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<div class='path'>path: <a href='/guix/log/?id=01f1e8bbb24bb41cf506f681470ba3b530ccae1e'>root</a>/<a href='/guix/log/build-aux?id=01f1e8bbb24bb41cf506f681470ba3b530ccae1e'>build-aux</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/build-aux?id=01f1e8bbb24bb41cf506f681470ba3b530ccae1e&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2022-05-26 11:41:05 +0200'>2022-05-26</span></td><td><a href='/guix/commit/build-aux?id=d90bd5642a3663cc7d5124068fadbf8fa28b3207'>cuirass: Create just as many threads as needed.</a><span class='msg-avail'>...<span class='msg-tooltip'>* build-aux/cuirass/evaluate.scm (command-line): Change second argument
to 'n-par-for-each'.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2022-05-26 11:41:05 +0200'>2022-05-26</span></td><td><a href='/guix/commit/build-aux?id=98a6642298be6663b9d318b7dea46d1dba275839'>cuirass: Fork inferior processes before creating threads.</a><span class='msg-avail'>...<span class='msg-tooltip'>Works around &lt;https://issues.guix.gnu.org/55441#12&gt;.

Start from commit bd86bbd300474204878e927f6cd3f0defa1662a5,
'open-inferior' uses 'primitive-fork' instead of 'open-pipe*'.  As a
result, child process could potentially hang before calling 'execl' due
to undefined behavior when forking a multi-threaded process.

* build-aux/cuirass/evaluate.scm &lt;top level&gt;: Call 'open-inferior'
before 'n-par-for-each'.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2022-05-20 18:46:07 +0200'>2022-05-20</span></td><td><a href='/guix/commit/build-aux?id=598f7289db9955584457ffc11c8504f3938a1618'>cuirass: Close each inferior upon completion.</a><span class='msg-avail'>...<span class='msg-tooltip'>* build-aux/cuirass/evaluate.scm &lt;top level&gt;: Add 'close-inferior' call.
</span></span></td><td>Ludovic Courtès</td></tr>