Merge pull request #3 from mulimoen/feature/cc

Switch build system from cmake to cc

.github/workflows/ci.yml

@@ -36,3 +36,5 @@ jobs:
           toolchain: '${{matrix.rust}}'
       - name: Build and test
         run: cargo test
+      - name: Build and test (all features)
+        run: cargo test --all-features

Cargo.toml

@@ -2,21 +2,28 @@
 name = "blosc-src"
 version = "0.1.1"
 authors = ["Magnus Ulimoen <[email protected]>"]
-edition = "2018"
+edition = "2021"
 build = "build.rs"
 links = "blosc"
 license-file = "c-blosc/LICENSES/BLOSC.txt"
 exclude = [
     "c-blosc/compat/**",
     "c-blosc/tests/**",
     "c-blosc/bench/**",
+    "c-blosc/internal-complibs/zlib-1.2.11/contrib/**",
+    "c-blosc/internal-complibs/zlib-1.2.11/examples/**",
+    "c-blosc/internal-complibs/zlib-1.2.11/doc/**",
+    "c-blosc/internal-complibs/zstd-1.5.2/legacy/**",
 ]
 repository = "https://github.com/mulimoen/rust-blosc-src"
 keywords = ["compression"]
 categories = ["external-ffi-bindings", "compression"]
 description = "FFI bindings for blosc-c"
 
-[dependencies]
+[features]
+lz4 = []
+zstd = []
+zlib = []
 
 [build-dependencies]
-cmake = "0.1.46"
+cc = "1.0"

bindgen.sh

@@ -1,10 +1,10 @@
 #! /bin/sh
 bindgen --no-rustfmt-bindings \
-	--blacklist-type __uint64_t \
-	--blacklist-type __size_t \
-	--whitelist-type '.*BLOSC.*' \
-	--whitelist-function '.*blosc.*' \
-	--whitelist-var '.*BLOSC.*' \
+	--blocklist-type __uint64_t \
+	--blocklist-type __size_t \
+	--allowlist-type '.*BLOSC.*' \
+	--allowlist-function '.*blosc.*' \
+	--allowlist-var '.*BLOSC.*' \
     --size_t-is-usize \
     c-blosc/blosc/blosc.h > src/bindgen.rs
 rustfmt src/bindgen.rs

build.rs

@@ -1,35 +1,55 @@
+use std::fs;
+
+use cc::Build;
+
 fn main() {
     println!("cargo:rerun-if-changed=build.rs");
-    let mut cfg = cmake::Config::new("c-blosc");
 
-    for option in &[
-        "BUILD_SHARED",
-        "BUILD_TESTS",
-        "BUILD_FUZZERS",
-        "BUILD_BENCHMARKS",
-        "DEACTIVATE_ZSTD",
-    ] {
-        cfg.define(option, "OFF");
-    }
+    let mut build = cc::Build::new();
+
+    let target_mscv = cfg!(target_env = "msvc");
+    let add_file = |builder: &mut Build, folder: &str| {
+        for entry in fs::read_dir(folder).unwrap() {
+            let path = entry.unwrap().path();
+            if let Some(extension) = path.extension() {
+                if extension == "c" || extension == "cpp" || (!target_mscv && extension == "S") {
+                    builder.file(path);
+                }
+            }
+        }
+    };
+
+    add_file(&mut build, "c-blosc/blosc");
 
-    if !cfg!(target_feature = "sse2") {
-        cfg.define("DEACTIVATE_SSE2", "OFF");
+    if cfg!(feature = "lz4") {
+        add_file(&mut build, "c-blosc/internal-complibs/lz4-1.9.3");
+        build.include("c-blosc/internal-complibs/lz4-1.9.3");
+        build.define("HAVE_LZ4", None);
     }
-    if !cfg!(target_feature = "avx") {
-        cfg.define("DEACTIVATE_AVX", "OFF");
+    if cfg!(feature = "zlib") {
+        add_file(&mut build, "c-blosc/internal-complibs/zlib-1.2.11");
+        build.include("c-blosc/internal-complibs/zlib-1.2.11");
+        build.define("HAVE_ZLIB", None);
+    }
+    if cfg!(feature = "zstd") {
+        add_file(&mut build, "c-blosc/internal-complibs/zstd-1.5.2/common");
+        add_file(&mut build, "c-blosc/internal-complibs/zstd-1.5.2/compress");
+        add_file(
+            &mut build,
+            "c-blosc/internal-complibs/zstd-1.5.2/decompress",
+        );
+        add_file(
+            &mut build,
+            "c-blosc/internal-complibs/zstd-1.5.2/dictBuilder",
+        );
+        build.include("c-blosc/internal-complibs/zstd-1.5.2");
+        build.define("HAVE_ZSTD", None);
     }
 
-    let dst = cfg.build();
-    println!("cargo:root={}", dst.display());
-    let incdir = format!("{}/include", dst.display());
-    println!("cargo:include={}", incdir);
     let linklib = if cfg!(target_env = "msvc") {
         "libblosc"
     } else {
         "blosc"
     };
-    println!("cargo:library={}", linklib);
-
-    println!("cargo:rustc-link-search=native={}/lib", dst.display());
-    println!("cargo:rustc-link-lib=static={}", linklib);
+    build.compile(linklib);
 }