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<a id="user-content-description-of-problem" class="anchor" href="#description-of-problem" aria-hidden="true"></a>Description of problem:</h2>
<p dir="auto">With <a href="https://gitlab.com/gnutls/gnutls/commit/adb31e778c28ef821a173dd5d98585b525c53665" data-original="adb31e77" data-link="false" data-link-reference="false" data-project="179611" data-commit="adb31e778c28ef821a173dd5d98585b525c53665" data-reference-type="commit" data-container="body" data-placement="bottom" title="Fix gnutls.pc for multiarch builds" class="gfm gfm-commit has-tooltip">adb31e77</a>, <code>AC_LIB_HAVE_LINKFLAGS</code> usage was replaced with <code>AC_SEARCH_LIBS</code> and <code>AC_SUBST</code>
for checking <code>unistring</code> library.
It may resolve unwanted full path of libunistring in pc files, it also affect to real link,
e.g. missing rpath. Furthermore, AC_SEARCH_LIBS also affect to LIBS globally.</p>
<p dir="auto">The first hit issue is in configure script, subsequent <code>try_compile_and run</code> type checks may be
result in unwanted result, because it will always try to link with -lunistring but failed to run
due to missing "unistring.so" if it is not in system default rpath.</p>
<p dir="auto"><code>LIBS</code> should be reset with <code>$ac_func_search_save_LIBS</code> after the <code>unistring</code> check.</p>
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<a id="user-content-version-of-gnutls-used" class="anchor" href="#version-of-gnutls-used" aria-hidden="true"></a>Version of gnutls used:</h2>
<p dir="auto">3.6.6</p>
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<a id="user-content-distributor-of-gnutls-eg-ubuntu-fedora-rhel" class="anchor" href="#distributor-of-gnutls-eg-ubuntu-fedora-rhel" aria-hidden="true"></a>Distributor of gnutls (e.g., Ubuntu, Fedora, RHEL)</h2>
<p dir="auto">N/A</p>
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<a id="user-content-how-reproducible" class="anchor" href="#how-reproducible" aria-hidden="true"></a>How reproducible:</h2>
<p dir="auto">Steps to Reproduce:</p>
<ul dir="auto">
<li>install and use libunistring not in system path</li>
<li>configure with <code>LDFLAG</code> having -L to find the libuistring</li>
<li>do <code>configure</code> and <code>make</code>
</li>
</ul>
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<a id="user-content-actual-results" class="anchor" href="#actual-results" aria-hidden="true"></a>Actual results:</h2>
<p dir="auto">configured as <code>ftellio</code> is broken and try to compile and use gnulib one.</p>
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<a id="user-content-expected-results" class="anchor" href="#expected-results" aria-hidden="true"></a>Expected results:</h2>
<p dir="auto">No problem!</p>
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