diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7fa7c21..2b2a39f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -23,6 +23,8 @@ add_compile_options(-Wall -Wextra -g)
 # TODO: enabled by LTO option
 if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
   add_compile_options(-flto=full)
+elseif (CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang")
+  add_compile_options(-flto=full)
 else ()
   #add_compile_options(-flto)  # TODO: only for g++
 endif ()
diff --git a/src/core_ffi/rust_ffi/Cargo.toml b/src/core_ffi/rust_ffi/Cargo.toml
index bebf5d8..02e4736 100644
--- a/src/core_ffi/rust_ffi/Cargo.toml
+++ b/src/core_ffi/rust_ffi/Cargo.toml
@@ -8,6 +8,12 @@ repository = "https://github.com/dnomd343/klotski"
 license = "BSD-3-Clause"
 readme = "README.md"
 
+[profile.release]
+lto = "fat"
+panic = "abort"
+
+# TODO: also for `profile.test` and `profile.bench`
+
 [dependencies]
 cxx = "1.0"
 
diff --git a/src/core_ffi/rust_ffi/build.rs b/src/core_ffi/rust_ffi/build.rs
index ca70170..90d42ba 100644
--- a/src/core_ffi/rust_ffi/build.rs
+++ b/src/core_ffi/rust_ffi/build.rs
@@ -26,6 +26,7 @@ fn main() {
             .file("adapter/short_code.cc")
             .include("klotski/src/core")
             .flag("-std=c++23")
+            .flag_if_supported("-flto=full") // only for clang
             .flag("-fno-rtti")
             .flag("-fno-exceptions")
             .compile("klotski");