From 811d1c4b4097d87a6e69cad4915cb624020fd450 Mon Sep 17 00:00:00 2001
From: Andrei Karas <akaras@inbox.ru>
Date: Tue, 18 Sep 2018 23:20:41 +0300
Subject: Add check for compiled/linked libxml2 version.

---
 src/unittests/utils/dumplibs.cc | 16 ++++++++++++++++
 src/utils/dumplibs.cpp          | 18 +++++++++++++++++-
 2 files changed, 33 insertions(+), 1 deletion(-)

diff --git a/src/unittests/utils/dumplibs.cc b/src/unittests/utils/dumplibs.cc
index e7b68e470..5273f0b5e 100644
--- a/src/unittests/utils/dumplibs.cc
+++ b/src/unittests/utils/dumplibs.cc
@@ -38,6 +38,11 @@ PRAGMA48(GCC diagnostic pop)
 
 #include <zlib.h>
 
+#ifdef ENABLE_LIBXML
+#include <libxml/threads.h>
+#include <libxml/xmlversion.h>
+#endif  // ENABLE_LIBXML
+
 #include "debug.h"
 
 TEST_CASE("dumplibs tests", "")
@@ -49,6 +54,17 @@ TEST_CASE("dumplibs tests", "")
         REQUIRE(build == link);
     }
 
+#ifdef ENABLE_LIBXML
+    SECTION("libxml2")
+    {
+        const char **xmlVersion = __xmlParserVersion();
+        REQUIRE(xmlVersion != nullptr);
+        REQUIRE(*xmlVersion != nullptr);
+        REQUIRE(std::string(*xmlVersion) ==
+            std::string(LIBXML_VERSION_STRING LIBXML_VERSION_EXTRA));
+    }
+#endif  // ENABLE_LIBXML
+
     SECTION("sdl")
     {
         const SDL_version *linkVersion = nullptr;
diff --git a/src/utils/dumplibs.cpp b/src/utils/dumplibs.cpp
index 57ce0c493..7132dd729 100644
--- a/src/utils/dumplibs.cpp
+++ b/src/utils/dumplibs.cpp
@@ -45,6 +45,7 @@ PRAGMA48(GCC diagnostic pop)
 #include <curl/curl.h>
 
 #ifdef ENABLE_LIBXML
+#include <libxml/threads.h>
 #include <libxml/xmlversion.h>
 #endif  // ENABLE_LIBXML
 
@@ -117,7 +118,9 @@ void dumpLibs()
     logger->log("Compiled with:");
     logger->log(" zLib: %s", ZLIB_VERSION);
 #ifdef ENABLE_LIBXML
-    logger->log(" libxml2: %s", LIBXML_DOTTED_VERSION);
+    logger->log(" libxml2: %s, %s",
+        LIBXML_DOTTED_VERSION,
+        LIBXML_VERSION_STRING LIBXML_VERSION_EXTRA);
 #endif  // ENABLE_LIBXML
 
     logger->log(" libcurl: %s", LIBCURL_VERSION);
@@ -136,6 +139,11 @@ void dumpLibs()
 #ifdef LIBXML_TEST_VERSION
     LIBXML_TEST_VERSION
 #endif  // LIBXML_TEST_VERSION
+#ifdef ENABLE_LIBXML
+    const char **xmlVersion = __xmlParserVersion();
+    if (xmlVersion != nullptr)
+        logger->log(" libxml2: %s", *xmlVersion);
+#endif  // ENABLE_LIBXML
 #ifdef USE_SDL2
     SDL_version sdlVersion;
     sdlVersion.major = 0;
@@ -152,6 +160,14 @@ void dumpLibs()
     dumpLinkedSdlVersion("SDL_ttf", TTF_Linked_Version());
 
     compareVersions("zLib", ZLIB_VERSION, zlibVersion());
+#ifdef ENABLE_LIBXML
+    if (xmlVersion != nullptr)
+    {
+        compareVersions("libxml2",
+            LIBXML_VERSION_STRING LIBXML_VERSION_EXTRA,
+            *xmlVersion);
+    }
+#endif  // ENABLE_LIBXML
 #ifdef USE_SDL2
     compareSDLVersions("SDL", sdlVersionJoin(SDL), &sdlVersion);
 #else  // USE_SDL2
-- 
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