Added DEP_SODIUM_INCLUDE & DEP_SODIUM_LIB cargo env var

Add README to libsodium-sys
Added testcrate for libsodium
Fix CI to test all crates
Add windows support
Added RUST_BACKTRACE to appveyor
Use sodium.h from the source_dir

.appveyor.yml

@@ -5,21 +5,25 @@ environment:
     # stable x86_64 with static libsodium from sources
   - TARGET: x86_64-pc-windows-msvc
     RUST_CHANNEL: stable
+    RUST_BACKTRACE: 1
 
     # stable x86 with static libsodium from sources
   - TARGET: i686-pc-windows-msvc
     RUST_CHANNEL: stable
+    RUST_BACKTRACE: 1
 
   # stable x86_64 with static libsodium from sources
   - TARGET: x86_64-pc-windows-gnu
     RUST_CHANNEL: stable
+    RUST_BACKTRACE: 1
 
     # stable x86_64 with dynamic libsodium from vcpkg
   - TARGET: x86_64-pc-windows-msvc
     RUST_CHANNEL: stable
     VCPKG_TARGET: x64-windows
     SODIUM_USE_PKG_CONFIG: 1
     VCPKGRS_DYNAMIC: 1
+    RUST_BACKTRACE: 1
 
 install:
   - ps: |
@@ -39,10 +43,8 @@ cache:
   - C:\Users\appveyor\.cargo\registry
   - target
 
-build_script:
-  - cmd: cargo build --target %TARGET%
-  - cmd: cargo build --release --target %TARGET%
+build: false
 
 test_script:
-  - cmd: cargo test --target %TARGET%
-  - cmd: cargo test --release --target %TARGET%
+  - cargo test --target %TARGET%
+  - cargo test --release --target %TARGET%

.travis.yml

@@ -45,7 +45,7 @@ matrix:
 
 script:
   - cargo build --verbose
-  - cargo test --verbose
+  - cargo test --verbose --all
   - cargo test --verbose --no-default-features --features std
   - cargo doc
 

Cargo.toml

@@ -16,7 +16,7 @@ exclude = [
 ]
 
 [workspace]
-members = ["libsodium-sys"]
+members = ["libsodium-sys", "testcrate"]
 
 [badges]
 travis-ci = { repository = "sodiumoxide/sodiumoxide" }

libsodium-sys/.gitignore

@@ -0,0 +1,30 @@
+#### IDEs ####
+### CLion ###
+# CMake
+cmake-build-debug/
+
+### IntelliJ ###
+.idea
+*.iws
+*.iml
+*.ipr
+
+### Vim ###
+.sw[a-p]
+.*.sw[a-p]
+Session.vim
+.netrwhist
+*~
+
+### Visual Studio Code ###
+.vscode/*
+!.vscode/settings.json
+!.vscode/tasks.json
+!.vscode/launch.json
+!.vscode/extensions.json
+.history
+
+#### Languages ####
+### Rust ###
+/target/
+Cargo.lock

libsodium-sys/Cargo.toml

@@ -16,15 +16,15 @@ travis-ci = { repository = "sodiumoxide/sodiumoxide" }
 
 [build-dependencies]
 pkg-config = "0.3"
+tar = "0.4"
+libflate = "0.1"
 
 [target.'cfg(target_env = "msvc")'.build-dependencies]
 libc = { version = "0.2" , default-features = false }
 vcpkg = "0.2"
 
 [target.'cfg(not(target_env = "msvc"))'.build-dependencies]
 cc = "1.0"
-libflate = "0.1"
-tar = "0.4"
 
 [dependencies]
 libc = { version = "0.2" , default-features = false }

libsodium-sys/README.md

@@ -0,0 +1,12 @@
+> libsodium-sys
+
+# Build output ENV Variables
+This is the possible build metadata for the crate.
+* `DEP_SODIUM_INCLUDE` is the directory which contains the `sodium.h` header.
+    It is only available if the header was installed and `SODIUM_LIB_DIR` was not set.
+* `DEP_SODIUM_LIB` is the directory containing the compiled library.
+    It is only available if `SODIUM_LIB_DIR` was not set.
+
+See [`link build metadata`] for more information about build metadata.
+
+[`link build metadata`]: https://doc.rust-lang.org/cargo/reference/build-scripts.html#the-links-manifest-key