diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -162,6 +162,17 @@
 add_subdirectory(secp256k1)
 add_subdirectory(univalue)
 
+set(OBJ_DIR "${CMAKE_CURRENT_BINARY_DIR}/obj")
+file(MAKE_DIRECTORY "${OBJ_DIR}")
+set(BUILD_HEADER "${OBJ_DIR}/build.h")
+add_custom_command(
+	OUTPUT "${BUILD_HEADER}"
+	COMMAND
+		"${CMAKE_SOURCE_DIR}/share/genbuild.sh"
+		"${BUILD_HEADER}"
+		"${CMAKE_SOURCE_DIR}"
+)
+
 # Because the Bitcoin ABc source code is disorganised, we
 # end up with a bunch of libraries without any apparent
 # cohesive structure. This is inherited from Bitcoin Core
@@ -191,13 +202,16 @@
 	utilstrencodings.cpp
 	utiltime.cpp
 	util/bytevectorhash.cpp
+
+	# obj/build.h
+	${BUILD_HEADER}
 )
 
-target_compile_definitions(util PUBLIC HAVE_CONFIG_H)
+target_compile_definitions(util PUBLIC HAVE_CONFIG_H HAVE_BUILD_INFO)
 target_include_directories(util
 	PUBLIC
 		.
-		# To access the config.
+		# To access the config/ and obj/ directories
 		${CMAKE_CURRENT_BINARY_DIR}
 )