https://github.com/geometer/FBReader/commit/b7c78e965d06f78043a57e230c866c3af3f5a1eb.patch
https://github.com/geometer/FBReader/issues/310
https://github.com/geometer/FBReader/pull/311/commits

From b7c78e965d06f78043a57e230c866c3af3f5a1eb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vladim=C3=ADr=20=C4=8Cun=C3=A1t?= <vcunat@gmail.com>
Date: Sun, 9 Dec 2018 10:18:03 +0100
Subject: [PATCH] fix compatibility with curl-7.62

https://github.com/curl/curl/commit/3f3b26d6fe
---
 zlibrary/core/src/unix/curl/ZLCurlNetworkManager.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/zlibrary/core/src/unix/curl/ZLCurlNetworkManager.cpp b/zlibrary/core/src/unix/curl/ZLCurlNetworkManager.cpp
index 54cc37f6c..03e2a5721 100644
--- a/zlibrary/core/src/unix/curl/ZLCurlNetworkManager.cpp
+++ b/zlibrary/core/src/unix/curl/ZLCurlNetworkManager.cpp
@@ -285,9 +285,11 @@ std::string ZLCurlNetworkManager::perform(const ZLExecutionData::Vector &dataLis
 #endif
 					errors.insert(ZLStringUtil::printf(errorResource["peerFailedVerificationMessage"].value(), ZLNetworkUtil::hostFromUrl(url)));
 					break;
+#if LIBCURL_VERSION_NUM < 0x073e00
 				case CURLE_SSL_CACERT:
 					errors.insert(ZLStringUtil::printf(errorResource["sslCertificateAuthorityMessage"].value(), ZLNetworkUtil::hostFromUrl(url)));
 					break;
+#endif
 				case CURLE_SSL_CACERT_BADFILE:
 					errors.insert(ZLStringUtil::printf(errorResource["sslBadCertificateFileMessage"].value(), request.sslCertificate().Path));
 					break;
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<div class='path'>path: <a href='/guix/log/?id=fc61ff1d792773c3e85abc229a9f8cc4b9e8c294'>root</a>/<a href='/guix/log/tests?id=fc61ff1d792773c3e85abc229a9f8cc4b9e8c294'>tests</a>/<a href='/guix/log/tests/scripts.scm?id=fc61ff1d792773c3e85abc229a9f8cc4b9e8c294'>scripts.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/tests/scripts.scm?id=fc61ff1d792773c3e85abc229a9f8cc4b9e8c294&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2019-03-24 00:13:53 +0100'>2019-03-24</span></td><td><a href='/guix/commit/tests/scripts.scm?id=7b7e4e89c8a1a34e166a2755493e48035e8a78ab'>tests: Add missing import.</a><span class='msg-avail'>...<span class='msg-tooltip'>This is a followup to 22f95e028f038cee342f455dfc55bd32b804907c.

* tests/scripts.scm: Use (guix tests).
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-03-16 18:15:09 +0100'>2019-03-16</span></td><td><a href='/guix/commit/tests/scripts.scm?id=22f95e028f038cee342f455dfc55bd32b804907c'>tests: Add 'with-environment-variable'.</a><span class='msg-avail'>...<span class='msg-tooltip'>* tests/scripts.scm (with-environment-variable): Move to...
* guix/tests.scm (with-environment-variable): ... here.
* tests/build-utils.scm ("wrap-program, one input, multiple calls"):
Use it instead of 'setenv'.
</span></span></td><td>Ludovic Courtès</td></tr>