From 6e049fdb23f9f3920060629b5264bc98d51bf5ea Mon Sep 17 00:00:00 2001
From: lifegpc <g1710431395@gmail.com>
Date: Thu, 17 Mar 2022 11:28:28 +0800
Subject: [PATCH] Remove unwanted build dependents for default build

---
 Cargo.toml | 6 +++---
 build.rs   | 7 +++++++
 2 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/Cargo.toml b/Cargo.toml
index dda0b17..9bf26e3 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -26,11 +26,11 @@ urlparse = "0.7"
 utf16string = { version= "0.2", optional = true }
 
 [build-dependencies]
-cmake = "0.1"
-bindgen = "0.59"
+bindgen = { version = "0.59", optional = true }
+cmake = { version = "0.1", optional = true }
 
 [features]
-exif = ["c_fixed_string", "link-cplusplus", "int-enum", "utf16string"]
+exif = ["bindgen", "c_fixed_string", "cmake", "link-cplusplus", "int-enum", "utf16string"]
 
 [target.'cfg(windows)'.dependencies]
 winapi = { version = "0.3.9", features = ["winnls", "stringapiset"] }
diff --git a/build.rs b/build.rs
index e903301..37586e0 100644
--- a/build.rs
+++ b/build.rs
@@ -1,10 +1,17 @@
+#[cfg(feature = "bindgen")]
 extern crate bindgen;
+#[cfg(feature = "cmake")]
 extern crate cmake;
 
+#[cfg(any(feature = "exif"))]
 use std::env;
+#[cfg(any(feature = "exif"))]
 use std::fs::create_dir;
+#[cfg(any(feature = "exif"))]
 use std::fs::File;
+#[cfg(any(feature = "exif"))]
 use std::io::Read;
+#[cfg(any(feature = "exif"))]
 use std::path::PathBuf;
 
 fn main() {