fixup! cmake: Add fuzzing options

This preprocessor definition was overlooked.

Author: hebasto

CMakeLists.txt

@@ -75,6 +75,10 @@ option(BUILD_BENCH "Build bench_bitcoin executable." ON)
 cmake_dependent_option(BUILD_FUZZ_BINARY "Build fuzz binary." ON "NOT MSVC" OFF)
 cmake_dependent_option(FUZZ "Build for fuzzing. Enabling this will disable all other targets and override BUILD_FUZZ_BINARY." OFF "NOT MSVC" OFF)
 
+# The core_interface library aims to encapsulate common build flags.
+# It is intended to be a usage requirement for all other targets.
+add_library(core_interface INTERFACE)
+
 if(FUZZ)
   message(WARNING "FUZZ=ON will disable all other targets and force BUILD_FUZZ_BINARY=ON.")
   set(BUILD_DAEMON OFF)
@@ -91,6 +95,10 @@ if(FUZZ)
   set(BUILD_TESTS OFF)
   set(BUILD_BENCH OFF)
   set(BUILD_FUZZ_BINARY ON)
+
+  target_compile_definitions(core_interface INTERFACE
+    ABORT_ON_FAILED_ASSUME
+  )
 endif()
 
 option(INSTALL_MAN "Install man pages." ON)
@@ -108,10 +116,6 @@ elseif(NOT WIN32)
 endif()
 unset(check_pie_output)
 
-# The core_interface library aims to encapsulate common build flags.
-# It is intended to be a usage requirement for all other targets.
-add_library(core_interface INTERFACE)
-
 include(TryAppendCXXFlags)
 include(TryAppendLinkerFlag)