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From a09ea6bd74d6234be8456e7039403bc1c1d078bd Mon Sep 17 00:00:00 2001
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From: Christophe Fergeau <cfergeau@redhat.com>
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Date: Mon, 20 Jun 2016 12:05:48 +0200
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Subject: [PATCH 1/4] xml-node: Use GString in rest_xml_node_print()
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The current code is using xml = g_strconcat (xml, ...) which is causing
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some leaks as g_strconcat returns a newly allocated string. Using
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GString avoids this issue without constantly freeing the intermediate
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strings.
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This fixes multiple leaks like:
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==16611== 18 bytes in 1 blocks are definitely lost in loss record 124 of 301
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==16611== at 0x4C2BBAD: malloc (vg_replace_malloc.c:299)
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==16611== by 0x5F5CE58: g_malloc (gmem.c:94)
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==16611== by 0x5F75B8E: g_strconcat (gstrfuncs.c:585)
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==16611== by 0x4E450CF: rest_xml_node_print (rest-xml-node.c:287)
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==16611== by 0x4E451DA: rest_xml_node_print (rest-xml-node.c:305)
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==16611== by 0x4E450F8: rest_xml_node_print (rest-xml-node.c:292)
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==16611== by 0x4009A0: main (xml.c:40)
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---
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rest/rest-xml-node.c | 21 ++++++++++++---------
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1 file changed, 12 insertions(+), 9 deletions(-)
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diff --git a/rest/rest-xml-node.c b/rest/rest-xml-node.c
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index 57a942667f06..a8156dbbd432 100644
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--- a/rest/rest-xml-node.c
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+++ b/rest/rest-xml-node.c
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@@ -283,38 +283,41 @@ rest_xml_node_print (RestXmlNode *node)
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{
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GHashTableIter iter;
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gpointer key, value;
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- char *xml = g_strconcat ("<", node->name, NULL);
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+ GString *xml = g_string_new (NULL);
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RestXmlNode *n;
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+ g_string_append (xml, "<");
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+ g_string_append (xml, node->name);
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+
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g_hash_table_iter_init (&iter, node->attrs);
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while (g_hash_table_iter_next (&iter, &key, &value))
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- xml = g_strconcat (xml, " ", key, "=\'", value, "\'", NULL);
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+ g_string_append_printf (xml, " %s =\'%s\'", (char *)key, (char *)value);
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- xml = g_strconcat (xml, ">", NULL);
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+ g_string_append (xml, ">");
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g_hash_table_iter_init (&iter, node->children);
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while (g_hash_table_iter_next (&iter, &key, &value))
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{
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char *child = rest_xml_node_print ((RestXmlNode *) value);
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- xml = g_strconcat (xml, child, NULL);
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+ g_string_append (xml, child);
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g_free (child);
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}
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if (node->content)
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- xml = g_strconcat (xml, node->content, "</", node->name, ">", NULL);
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- else
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- xml = g_strconcat (xml, "</", node->name, ">", NULL);
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+ g_string_append (xml, node->content);
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+
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+ g_string_append_printf (xml, "</%s>", node->name);
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for (n = node->next; n; n = n->next)
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{
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char *sibling = rest_xml_node_print (n);
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- xml = g_strconcat (xml, sibling, NULL);
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+ g_string_append (xml, sibling);
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g_free (sibling);
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}
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- return xml;
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+ return g_string_free (xml, FALSE);
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}
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/**
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--
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2.14.2
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From a34d02947c4f102e6d16b9d328941a4b2946c8e8 Mon Sep 17 00:00:00 2001
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From: Debarshi Ray <debarshir@gnome.org>
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Date: Fri, 13 Oct 2017 18:53:39 +0200
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Subject: [PATCH 2/4] xml-node: Remove stray blank space
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This had broken tests/xml.c.
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Fallout from 61a7b231bd8b9d1b8d02dca120389e79d38b428d
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https://bugzilla.gnome.org/show_bug.cgi?id=788960
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---
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rest/rest-xml-node.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/rest/rest-xml-node.c b/rest/rest-xml-node.c
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index a8156dbbd432..d3a7c995affd 100644
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--- a/rest/rest-xml-node.c
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+++ b/rest/rest-xml-node.c
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@@ -291,7 +291,7 @@ rest_xml_node_print (RestXmlNode *node)
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g_hash_table_iter_init (&iter, node->attrs);
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while (g_hash_table_iter_next (&iter, &key, &value))
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- g_string_append_printf (xml, " %s =\'%s\'", (char *)key, (char *)value);
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+ g_string_append_printf (xml, " %s=\'%s\'", (char *)key, (char *)value);
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g_string_append (xml, ">");
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--
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2.14.2
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From f184db2bff0618b99c4de3316082fe80439f124c Mon Sep 17 00:00:00 2001
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From: Debarshi Ray <debarshir@gnome.org>
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Date: Fri, 13 Oct 2017 19:14:16 +0200
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Subject: [PATCH 3/4] xml-node: Define the order in which attributes & children
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are printed
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The order in which GHashTable returns its key-value pairs is undefined.
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Therefore the output of rest_xml_node_print can change based on the
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GHashTable implementation. While not strictly necessary, it would be
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nice to avoid that. Having a stable order, even if it is not
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documented and depends on the current RestXmlNode code, is handy for
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testing.
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This was the main reason behind the tests/xml.c breakage.
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https://bugzilla.gnome.org/show_bug.cgi?id=788960
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---
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rest/rest-xml-node.c | 23 ++++++++++++++++++++++-
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1 file changed, 22 insertions(+), 1 deletion(-)
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diff --git a/rest/rest-xml-node.c b/rest/rest-xml-node.c
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index d3a7c995affd..973ebcf6c3fa 100644
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--- a/rest/rest-xml-node.c
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+++ b/rest/rest-xml-node.c
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@@ -283,6 +283,9 @@ rest_xml_node_print (RestXmlNode *node)
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{
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GHashTableIter iter;
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gpointer key, value;
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+ GList *attrs = NULL;
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+ GList *children = NULL;
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+ GList *l;
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GString *xml = g_string_new (NULL);
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RestXmlNode *n;
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@@ -291,13 +294,29 @@ rest_xml_node_print (RestXmlNode *node)
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g_hash_table_iter_init (&iter, node->attrs);
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while (g_hash_table_iter_next (&iter, &key, &value))
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- g_string_append_printf (xml, " %s=\'%s\'", (char *)key, (char *)value);
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+ {
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+ char *attr = g_strdup_printf ("%s=\'%s\'", (char *)key, (char *)value);
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+ attrs = g_list_prepend (attrs, attr);
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+ }
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+
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+ attrs = g_list_sort (attrs, (GCompareFunc) g_strcmp0);
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+ for (l = attrs; l; l = l->next)
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+ {
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+ const char *attr = (const char *) l->data;
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+ g_string_append_printf (xml, " %s", attr);
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+ }
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g_string_append (xml, ">");
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g_hash_table_iter_init (&iter, node->children);
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while (g_hash_table_iter_next (&iter, &key, &value))
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+ children = g_list_prepend (children, key);
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+
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+ children = g_list_sort (children, (GCompareFunc) g_strcmp0);
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+ for (l = children; l; l = l->next)
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{
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+ const char *name = (const char *) l->data;
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+ RestXmlNode *value = (RestXmlNode *) g_hash_table_lookup (node->children, name);
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char *child = rest_xml_node_print ((RestXmlNode *) value);
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g_string_append (xml, child);
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@@ -317,6 +336,8 @@ rest_xml_node_print (RestXmlNode *node)
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g_free (sibling);
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}
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+ g_list_free_full (attrs, g_free);
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+ g_list_free (children);
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return g_string_free (xml, FALSE);
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}
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--
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2.14.2
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From e5ee6ef751ee5a38d7b9fadcd631cf6ecec7b240 Mon Sep 17 00:00:00 2001
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From: Debarshi Ray <debarshir@gnome.org>
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Date: Fri, 13 Oct 2017 19:16:55 +0200
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Subject: [PATCH 4/4] tests: Re-enable the XML test
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This reverts commit 2d1dbfe7073b1e153ff881426b40a9a517fb796b
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https://bugzilla.gnome.org/show_bug.cgi?id=788960
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---
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tests/Makefile.am | 2 --
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1 file changed, 2 deletions(-)
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diff --git a/tests/Makefile.am b/tests/Makefile.am
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index 5d77f9cf5445..5ffdd4634e9a 100644
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--- a/tests/Makefile.am
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+++ b/tests/Makefile.am
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@@ -1,6 +1,4 @@
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TESTS = proxy proxy-continuous threaded oauth oauth-async oauth2 flickr lastfm xml custom-serialize
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-# TODO: fix this test case
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-XFAIL_TESTS = xml
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AM_CPPFLAGS = $(SOUP_CFLAGS) -I$(top_srcdir) $(GCOV_CFLAGS)
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AM_LDFLAGS = $(SOUP_LIBS) $(GCOV_LDFLAGS) \
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--
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2.14.2
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