Build mikktspace using cc instead of cmake

.gitignore

@@ -1,5 +1,3 @@
 /target/
-/mikktspace-sys/target/
-/mikktspace-sys/libmikktspace/libmikktspace.a
 **/*.rs.bk
 Cargo.lock

Cargo.toml

@@ -16,7 +16,7 @@ exclude = ["examples/**"]
 travis-ci = { repository = "gltf-rs/mikktspace" }
 
 [build-dependencies]
-cmake = "0.1"
+cc = "1.0"
 
 [dev-dependencies]
 cgmath = "0.15"

build.rs

@@ -1,9 +1,9 @@
-
-extern crate cmake;
+extern crate cc;
 
 fn main() {
-    let dst = cmake::build("libmikktspace");
-    println!("cargo:rustc-link-search=native={}", dst.display());
+    cc::Build::new()
+        .file("libmikktspace/mikktspace.c")
+        .file("libmikktspace/mikktspace.c")
+        .compile("mikktspace");
     println!("cargo:rustc-link-lib=static=mikktspace");
 }
-

libmikktspace/CMakeLists.txt

@@ -1,11 +0,0 @@
-cmake_minimum_required(VERSION 2.8)
-project(mikktspace)
-set(PROJECT_VERSION_MAJOR "0")
-set(PROJECT_VERSION_MINOR "1")
-set(PROJECT_VERSION_PATCH "0")
-set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -std=c1x")
-set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS} ${CMAKE_C_FLAGS_DEBUG} -ggdb -DDEBUG")
-set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS} ${CMAKE_C_FLAGS_RELEASE} -O2")
-set(SOURCES mikktspace.h mikktspace.c)
-add_library(mikktspace STATIC ${SOURCES})
-install(TARGETS mikktspace ARCHIVE DESTINATION ".")