Add MS binary format validator support

bffvalidator (Microsoft Office Binary File Format Validator) basic
support in configure for later usage in export tests. It should be
installed from
https://www.microsoft.com/en-us/download/details.aspx?id=26794
and enabled in configure with new switch
--with-bffvalidator=<optional path to validator>

Change-Id: I6faa08d3277f0328b3dfa310222a11d115e5aa15
Reviewed-on: https://gerrit.libreoffice.org/25870Reviewed-by: Thorsten Behrens <Thorsten.Behrens@CIB.de>
Tested-by: Thorsten Behrens <Thorsten.Behrens@CIB.de>

config_host.mk.in

@@ -430,6 +430,7 @@ export ODFGEN_CFLAGS=$(gb_SPACE)@ODFGEN_CFLAGS@
 export ODFGEN_LIBS=$(gb_SPACE)@ODFGEN_LIBS@
 export ODFVALIDATOR=@ODFVALIDATOR@
 export OFFICEOTRON=@OFFICEOTRON@
+export BFFVALIDATOR=@BFFVALIDATOR@
 export OOOP_FONTS_PACK=@OOOP_FONTS_PACK@
 export OOOP_GALLERY_PACK=@OOOP_GALLERY_PACK@
 export OOOP_SAMPLES_PACK=@OOOP_SAMPLES_PACK@

config_host/config_features.h.in

@@ -136,6 +136,14 @@
  */
 #define HAVE_EXPORT_VALIDATION 0
 
+/*
+ * Whether to use export validation of binary formats (doc, xls, ppt)
+ *
+ * Requires installed Microsoft Office Binary File Format Validator
+ * https://www.microsoft.com/en-us/download/details.aspx?id=26794
+ */
+#define HAVE_BFFVALIDATOR 0
+
 /*
  * Whether we have glTF support.
  */

configure.ac

@@ -2031,6 +2031,14 @@ AC_ARG_WITH(export-validation,
          See https://cgit.freedesktop.org/libreoffice/contrib/dev-tools/tree/export-validation]),
 ,)
 
+AC_ARG_WITH(bffvalidator,
+    AS_HELP_STRING([--with-bffvalidator=<absolute path to BFFValidator>],
+        [Enables export validation for Microsoft Binary formats (doc, xls, ppt).
+         Requires installed Microsoft Office Binary File Format Validator.
+         Note: export-validation (--with-export-validation) is required to be turned on.
+         See https://www.microsoft.com/en-us/download/details.aspx?id=26794]),
+,with_bffvalidator=no)
+
 AC_ARG_WITH(junit,
     AS_HELP_STRING([--with-junit=<absolute path to JUnit 4 jar>],
         [Specifies the JUnit 4 jar file to use for JUnit-based tests.
@@ -2763,6 +2771,37 @@ if test "$with_export_validation" = yes; then
         AC_MSG_ERROR([officeotron too old])
     fi
     AC_SUBST(OFFICEOTRON)
+
+else
+    AC_MSG_RESULT([no])
+fi
+
+AC_MSG_CHECKING([for Microsoft Binary File Format Validator])
+if test "$with_bffvalidator" != "no"; then
+    AC_DEFINE(HAVE_BFFVALIDATOR)
+
+    if test "$with_export_validation" != "yes"; then
+        AC_MSG_ERROR([Please enable export validation (-with-export-validation)!])
+    fi
+
+    if test "$with_bffvalidator" = "yes"; then
+        BFFVALIDATOR=`win_short_path_for_make "$PROGRAMFILES/Microsoft Office/BFFValidator/BFFValidator.exe"`
+    else
+        BFFVALIDATOR="$with_bffvalidator"
+    fi
+
+    if test "$build_os" = "cygwin"; then
+        if test -n "$BFFVALIDATOR" -a -e "`cygpath $BFFVALIDATOR`"; then
+            AC_MSG_RESULT($BFFVALIDATOR)
+        else
+            AC_MSG_ERROR([bffvalidator not found, but required by --with-bffvalidator])
+        fi
+    elif test -n "$BFFVALIDATOR" -a -e "$BFFVALIDATOR"; then
+        AC_MSG_RESULT($BFFVALIDATOR)
+    else
+        AC_MSG_ERROR([bffvalidator not found, but required by --with-bffvalidator])
+    fi
+    AC_SUBST(BFFVALIDATOR)
 else
     AC_MSG_RESULT([no])
 fi