diff --git a/CMakeLists.txt b/CMakeLists.txt
index 04856291..a5167d62 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -519,6 +519,16 @@ add_mdbx_option(MDBX_TRUST_RTC "Does a system have battery-backed Real-Time Cloc
 mark_as_advanced(MDBX_TRUST_RTC)
 option(MDBX_FORCE_ASSERTIONS "Force enable assertion checking" OFF)
 option(MDBX_DISABLE_VALIDATION "Disable some checks to reduce an overhead and detection probability of database corruption to a values closer to the LMDB" OFF)
+option(MDBX_ENABLE_REFUND "Zerocost auto-compactification during write-transactions" ON)
+option(MDBX_ENABLE_MADVISE "Using POSIX' madvise() and/or similar hints" ON)
+if (CMAKE_TARGET_BITNESS GREATER 32)
+  set(MDBX_BIGFOOT_DEFAULT ON)
+else()
+  set(MDBX_BIGFOOT_DEFAULT OFF)
+endif()
+option(MDBX_ENABLE_BIGFOOT "Chunking long list of retired pages during huge transactions commit to avoid use sequences of pages" ${MDBX_BIGFOOT_DEFAULT})
+option(MDBX_ENABLE_PGOP_STAT "Gathering statistics for page operations" ON)
+option(MDBX_ENABLE_PROFGC "Profiling of GC search and updates" OFF)
 
 if(NOT MDBX_AMALGAMATED_SOURCE)
   if(CMAKE_CONFIGURATION_TYPES OR CMAKE_BUILD_TYPE_UPPERCASE STREQUAL "DEBUG")
diff --git a/src/config.h.in b/src/config.h.in
index 786a8c0b..05c561b1 100644
--- a/src/config.h.in
+++ b/src/config.h.in
@@ -28,6 +28,11 @@
 #endif
 #cmakedefine01 MDBX_DISABLE_VALIDATION
 #cmakedefine01 MDBX_AVOID_MSYNC
+#cmakedefine01 MDBX_ENABLE_REFUND
+#cmakedefine01 MDBX_ENABLE_MADVISE
+#cmakedefine01 MDBX_ENABLE_BIGFOOT
+#cmakedefine01 MDBX_ENABLE_PGOP_STAT
+#cmakedefine01 MDBX_ENABLE_PROFGC
 
 /* Windows */
 #cmakedefine01 MDBX_WITHOUT_MSVC_CRT
diff --git a/src/options.h b/src/options.h
index 11df6967..2ab0dce6 100644
--- a/src/options.h
+++ b/src/options.h
@@ -99,7 +99,7 @@
 #error MDBX_ENABLE_BIGFOOT must be defined as 0 or 1
 #endif /* MDBX_ENABLE_BIGFOOT */
 
-/** Controls use of POSIX madvise() hints and friends. */
+/** Controls using of POSIX' madvise() and/or similar hints. */
 #ifndef MDBX_ENABLE_MADVISE
 #define MDBX_ENABLE_MADVISE 1
 #elif !(MDBX_ENABLE_MADVISE == 0 || MDBX_ENABLE_MADVISE == 1)