Send build config (configure options) in LOKit version info JSON

Change-Id: I29a6cca467e5f1e9ba59528edefbb397ceb81780
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/141197
Tested-by: Jenkins CollaboraOffice <jenkinscollaboraoffice@gmail.com>
Reviewed-by: Aron Budea <aron.budea@collabora.com>
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/141494
Tested-by: Jenkins
Reviewed-by: Andras Timar <andras.timar@collabora.com>

config_host/config_buildconfig.h.in

@@ -0,0 +1,8 @@
+/* Options passed to configure script */
+
+#ifndef CONFIG_BUILDCONFIG_H
+#define CONFIG_BUILDCONFIG_H
+
+#define BUILDCONFIG ""
+
+#endif

configure.ac

@@ -522,6 +522,8 @@ AC_DEFINE_UNQUOTED(LIBO_VERSION_PATCH,$LIBO_VERSION_PATCH)
 LIBO_THIS_YEAR=`date +%Y`
 AC_DEFINE_UNQUOTED(LIBO_THIS_YEAR,$LIBO_THIS_YEAR)
 
+AC_DEFINE_UNQUOTED([BUILDCONFIG],[["$ac_configure_args"]],[Options passed to configure script])
+
 dnl ===================================================================
 dnl Product version
 dnl ===================================================================
@@ -14830,6 +14832,8 @@ AC_CONFIG_FILES([config_host.mk
                  instsetoo_native/util/openoffice.lst
                  sysui/desktop/macosx/Info.plist
                  vs-code.code-workspace.template:.vscode/vs-code-template.code-workspace.in])
+
+AC_CONFIG_HEADERS([config_host/config_buildconfig.h])
 AC_CONFIG_HEADERS([config_host/config_buildid.h])
 AC_CONFIG_HEADERS([config_host/config_box2d.h])
 AC_CONFIG_HEADERS([config_host/config_clang.h])

desktop/source/lib/init.cxx

@@ -7,6 +7,7 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
 
+#include <config_buildconfig.h>
 #include <config_features.h>
 
 #include <stdio.h>
@@ -6539,7 +6540,8 @@ static char* lo_getVersionInfo(SAL_UNUSED_PARAMETER LibreOfficeKit* /*pThis*/)
         "\"ProductName\": \"%PRODUCTNAME\", "
         "\"ProductVersion\": \"%PRODUCTVERSION\", "
         "\"ProductExtension\": \"%PRODUCTEXTENSION\", "
-        "\"BuildId\": \"%BUILDID\" "
+        "\"BuildId\": \"%BUILDID\", "
+        "\"BuildConfig\": \""  BUILDCONFIG  "\" "
         "}"));
 }