diff --git a/japanese/fcitx5-karukan/files/patch-cargo-crates_llama-cpp-sys-2-0.1.156_build.rs b/japanese/fcitx5-karukan/files/patch-cargo-crates_llama-cpp-sys-2-0.1.156_build.rs
index b2cf65fb66fb..990754c6d686 100644
--- a/japanese/fcitx5-karukan/files/patch-cargo-crates_llama-cpp-sys-2-0.1.156_build.rs
+++ b/japanese/fcitx5-karukan/files/patch-cargo-crates_llama-cpp-sys-2-0.1.156_build.rs
@@ -1,79 +1,89 @@
 --- cargo-crates/llama-cpp-sys-2-0.1.156/build.rs.orig	2006-07-24 01:21:28 UTC
 +++ cargo-crates/llama-cpp-sys-2-0.1.156/build.rs
 @@ -24,6 +24,7 @@ enum TargetOs {
      Apple(AppleVariant),
      Linux,
      Android,
 +    FreeBSD,
  }
  
  macro_rules! debug_log {
 @@ -83,6 +84,8 @@ fn parse_target_os() -> Result<(TargetOs, String), Str
          Ok((TargetOs::Android, target))
      } else if target.contains("linux") {
          Ok((TargetOs::Linux, target))
 +    } else if target.contains("freebsd") {
 +        Ok((TargetOs::FreeBSD, target))
      } else {
          Err(target)
      }
 @@ -110,7 +113,7 @@ fn extract_lib_names(out_dir: &Path, build_shared_libs
                  "*.a"
              }
          }
 -        TargetOs::Linux | TargetOs::Android => {
 +        TargetOs::Linux | TargetOs::Android | TargetOs::FreeBSD => {
              if build_shared_libs {
                  "*.so"
              } else {
 @@ -155,7 +158,7 @@ fn extract_lib_assets(out_dir: &Path, target_os: &Targ
      let shared_lib_pattern = match target_os {
          TargetOs::Windows(_) => "*.dll",
          TargetOs::Apple(_) => "*.dylib",
 -        TargetOs::Linux | TargetOs::Android => "*.so",
 +        TargetOs::Linux | TargetOs::Android | TargetOs::FreeBSD => "*.so",
      };
  
      let shared_libs_dir = match target_os {
 @@ -194,7 +197,7 @@ fn library_file_exists(
                  (&["lib"], &["a"])
              }
          }
 -        TargetOs::Linux | TargetOs::Android => {
 +        TargetOs::Linux | TargetOs::Android | TargetOs::FreeBSD => {
              if build_shared_libs {
                  (&["lib"], &["so"])
              } else {
-@@ -869,7 +872,7 @@ fn main() {
+@@ -714,8 +717,7 @@ fn main() {
+         }
+ 
+         // I expect this env var to always be present
+-        let features = std::env::var("CARGO_CFG_TARGET_FEATURE")
+-            .expect("Env var CARGO_CFG_TARGET_FEATURE not found.");
++        let features = std::env::var("CARGO_CFG_TARGET_FEATURE").unwrap_or_default();
+         debug_log!("Compiling with target features: {}", features);
+ 
+         // list of rust target_features here:
+@@ -869,7 +871,7 @@ fn main() {
          println!("cargo:rustc-link-lib=android");
      }
  
 -    if matches!(target_os, TargetOs::Linux)
 +    if matches!(target_os, TargetOs::Linux | TargetOs::FreeBSD)
          && target_triple.contains("aarch64")
          && target_cpu != Some("native".into())
      {
-@@ -905,7 +908,7 @@ fn main() {
+@@ -905,7 +907,7 @@ fn main() {
                      config.cxxflag("/FS");
                  }
              }
 -            TargetOs::Linux => {
 +            TargetOs::Linux | TargetOs::FreeBSD => {
                  // If we are not using system provided vulkan SDK, add vulkan libs for linking
                  if let Ok(vulkan_path) = env::var("VULKAN_SDK") {
                      let vulkan_lib_path = Path::new(&vulkan_path).join("lib");
-@@ -1363,6 +1366,14 @@ fn main() {
+@@ -1363,6 +1365,14 @@ fn main() {
                  println!("cargo:rustc-link-lib=static=stdc++");
              } else {
                  println!("cargo:rustc-link-lib=dylib=stdc++");
 +            }
 +        }
 +        TargetOs::FreeBSD => {
 +            if cfg!(feature = "static-stdcxx") {
 +                emit_compiler_static_archive_search_path("libc++.a");
 +                println!("cargo:rustc-link-lib=static=c++");
 +            } else {
 +                println!("cargo:rustc-link-lib=dylib=c++");
              }
          }
          TargetOs::Apple(ref variant) => {