remove unneeded dependencies

Cargo.lock

@@ -1,38 +1,12 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
-[[package]]
-name = "cc"
-version = "1.0.67"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e3c69b077ad434294d3ce9f1f6143a2a4b89a8a2d54ef813d85003a4fd1137fd"
-dependencies = [
- "jobserver",
-]
-
 [[package]]
 name = "guile-test"
 version = "0.1.0"
 dependencies = [
- "cc",
- "libc",
  "pkg-config",
 ]
 
-[[package]]
-name = "jobserver"
-version = "0.1.21"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5c71313ebb9439f74b00d9d2dcec36440beaf57a6aa0623068441dd7cd81a7f2"
-dependencies = [
- "libc",
-]
-
-[[package]]
-name = "libc"
-version = "0.2.90"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ba4aede83fc3617411dc6993bc8c70919750c1c257c6ca6a502aed6e0e2394ae"
-
 [[package]]
 name = "pkg-config"
 version = "0.3.19"

Cargo.toml

@@ -6,8 +6,6 @@ edition = "2018"
 build = "build.rs"
 
 [dependencies]
-libc = "0.2"
 
 [build-dependencies]
-cc = { version = "1.0", features = ["parallel"] }
 pkg-config = "0.3"

build.rs

@@ -1,14 +1,3 @@
 fn main() {
-    println!("cargo:rustc-link-search=native=/usr/include/guile/3.0");
-    println!("cargo:rustc-link-search=/usr/lib");
-    println!("cargo:rustc-link-lib=guile-3.0");
     pkg_config::probe_library("guile-3.0").unwrap();
-     // cc::Build::new()
-     //    .include("/usr/include/guile/3.0")
-     //    .object("/usr/lib/libguile-3.0.so")
-     //    .flag("-lguile-3.0")
-     //    .flag("-pthread")
-     //    .flag("-lgc")
-     // 	.file("guile-test.c")
-     //    .compile("guile-test");
 }