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authorTom Lane <tgl@sss.pgh.pa.us>2012-08-17 00:05:26 -0400
committerTom Lane <tgl@sss.pgh.pa.us>2012-08-17 00:05:26 -0400
commit470d0b9789981bc91a8ef2654911d80ab6a6be57 (patch)
tree86802b7e189e61fe97f13aee1dc0c692c0d7a65e /src/backend/utils/adt/xml.c
parent305557984dd964ac397c6752e9d0f14646b60f15 (diff)
downloadpostgresql-470d0b9789981bc91a8ef2654911d80ab6a6be57.tar.gz
postgresql-470d0b9789981bc91a8ef2654911d80ab6a6be57.zip
Check LIBXML_VERSION instead of testing in configure script.
We had put a test for libxml2's xmlStructuredErrorContext variable in configure, but of course that doesn't work on Windows builds. The next best alternative seems to be to test the LIBXML_VERSION symbol provided by xmlversion.h. Per report from Talha Bin Rizwan, though this fixes it in a different way than his proposed patch.
Diffstat (limited to 'src/backend/utils/adt/xml.c')
-rw-r--r--src/backend/utils/adt/xml.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/src/backend/utils/adt/xml.c b/src/backend/utils/adt/xml.c
index a358de68728..2d945b9cdba 100644
--- a/src/backend/utils/adt/xml.c
+++ b/src/backend/utils/adt/xml.c
@@ -52,9 +52,19 @@
#include <libxml/tree.h>
#include <libxml/uri.h>
#include <libxml/xmlerror.h>
+#include <libxml/xmlversion.h>
#include <libxml/xmlwriter.h>
#include <libxml/xpath.h>
#include <libxml/xpathInternals.h>
+
+/*
+ * We used to check for xmlStructuredErrorContext via a configure test; but
+ * that doesn't work on Windows, so instead use this grottier method of
+ * testing the library version number.
+ */
+#if LIBXML_VERSION >= 20704
+#define HAVE_XMLSTRUCTUREDERRORCONTEXT 1
+#endif
#endif /* USE_LIBXML */
#include "catalog/namespace.h"
@@ -970,7 +980,7 @@ pg_xml_init(PgXmlStrictness strictness)
*
* The only known situation in which this test fails is if we compile with
* headers from a libxml2 that doesn't track the structured error context
- * separately (<= 2.7.3), but at runtime use a version that does, or vice
+ * separately (< 2.7.4), but at runtime use a version that does, or vice
* versa. The libxml2 authors did not treat that change as constituting
* an ABI break, so the LIBXML_TEST_VERSION test in pg_xml_init_library
* fails to protect us from this.