[PATCH 3/4] configure: Try to detect MinGW libxml2 using pkg-config if --with-system-dllpath is specified.

[Zebediah Figura]

Signed-off-by: Zebediah Figura <zfigura at codeweavers.com>
---
 configure.ac | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/configure.ac b/configure.ac
index 5a15414ccfd..4b11fb97b70 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1091,6 +1091,22 @@ then
         WINE_NOTICE([libtiff ${notice_platform}MinGW development files not found; using bundled version.])
     fi
 
+    WINE_MINGW_PACKAGE_FLAGS(XML2,[libxml-2.0],[-lxml2],
+        [WINE_CHECK_MINGW_HEADER(libxml/parser.h)
+        WINE_CHECK_MINGW_HEADER(libxml/xmlsave.h)
+        WINE_CHECK_MINGW_HEADER(libxml/SAX2.h)
+        if test "$ac_cv_mingw_header_libxml_parser_h" = "yes" -a "$ac_cv_mingw_header_libxml_xmlsave_h" = "yes" -a "$ac_cv_mingw_header_libxml_SAX2_h" = "yes"
+        then
+            WINE_CHECK_MINGW_LIB(xml2,xmlFirstElementChild,[:],[XML2_PE_CFLAGS=""; XML2_PE_LIBS=""],[$XML2_PE_LIBS])
+        else
+            XML2_PE_CFLAGS=""
+            XML2_PE_LIBS=""
+        fi])
+    if test "x$XML2_PE_LIBS" = "x"
+    then
+        WINE_NOTICE([libxml2 ${notice_platform}MinGW development files not found (or too old); using bundled version.])
+    fi
+
     WINE_MINGW_PACKAGE_FLAGS(ZLIB,[zlib],[-lz],
         [WINE_CHECK_MINGW_HEADER(zlib.h,
             [WINE_CHECK_MINGW_LIB(z,inflate,[:],[ZLIB_PE_CFLAGS=""; ZLIB_PE_LIBS=""],[$ZLIB_PE_LIBS])],
-- 
2.34.1