Improved Wasmer C API release artifacts

.gitignore

@@ -5,5 +5,6 @@
 .idea
 **/.vscode
 install/
+capi/
 api-docs/
 api-docs-repo/

CHANGELOG.md

@@ -2,6 +2,7 @@
 
 ## **[Unreleased]**
 
+- [#1233](https://github.com/wasmerio/wasmer/pull/1233) Improved Wasmer C API release artifacts.
 - [#1216](https://github.com/wasmerio/wasmer/pull/1216) `wasmer-interface-types` receives a binary encoder.
 - [#1228](https://github.com/wasmerio/wasmer/pull/1228) Singlepass cleanup: Resolve several FIXMEs and remove protect_unix.
 - [#1218](https://github.com/wasmerio/wasmer/pull/1218) Enable Cranelift verifier in debug mode. Fix bug with table indices being the wrong type.

Makefile

@@ -294,6 +294,31 @@ build-install:
 	cp ./target/release/wasmer ./install/bin/
 	tar -C ./install -zcvf wasmer.tar.gz bin/wapm bin/wasmer
 
+UNAME_S := $(shell uname -s)
+
+build-capi:
+	mkdir -p ./capi/
+	mkdir -p ./capi/include
+	mkdir -p ./capi/lib
+ifeq ($(OS), Windows_NT)
+	cp target/release/wasmer_runtime_c_api.dll ./capi/lib/wasmer.dll
+	cp target/release/wasmer_runtime_c_api.lib ./capi/lib/wasmer.lib
+else
+ifeq ($(UNAME_S), Darwin)
+	cp target/release/libwasmer_runtime_c_api.dylib ./capi/lib/libwasmer.dylib
+	cp target/release/libwasmer_runtime_c_api.dylib ./capi/lib/libwasmer.a
+	# Fix the rpath for the dylib
+	install_name_tool -id "@rpath/libwasmer.dylib" ./capi/lib/libwasmer.dylib
+else
+	cp target/release/libwasmer_runtime_c_api.so ./capi/lib/libwasmer.so
+	cp target/release/libwasmer_runtime_c_api.a ./capi/lib/libwasmer.a
+endif
+endif
+	find target/release/build -name 'wasmer.h*' -exec cp {} ./capi/include ';'
+	cp LICENSE ./capi/LICENSE
+	cp lib/runtime-c-api/doc/index.md ./capi/README.md
+	tar -C ./capi -zcvf wasmer-c-api.tar.gz lib include README.md LICENSE
+
 # For installing the contents locally
 do-install:
 	tar -C ~/.wasmer -zxvf wasmer.tar.gz
@@ -306,9 +331,11 @@ publish-release:
 dep-graph:
 	cargo deps --optional-deps --filter wasmer-wasi wasmer-wasi-tests wasmer-kernel-loader wasmer-dev-utils wasmer-llvm-backend wasmer-emscripten wasmer-emscripten-tests wasmer-runtime-core wasmer-runtime wasmer-middleware-common wasmer-middleware-common-tests wasmer-singlepass-backend wasmer-clif-backend wasmer --manifest-path Cargo.toml | dot -Tpng > wasmer_depgraph.png
 
-docs:
-	cargo doc --features=backend-singlepass,backend-cranelift,backend-llvm,docs,wasi,managed --workspace --document-private-items --no-deps
+docs-capi:
 	cd lib/runtime-c-api/ && doxygen doxyfile && cd ..
+
+docs: docs-capi
+	cargo doc --features=backend-singlepass,backend-cranelift,backend-llvm,docs,wasi,managed --workspace --document-private-items --no-deps
 	mkdir -p api-docs
 	mkdir -p api-docs/c
 	cp -R target/doc api-docs/crates

azure-pipelines.yml

@@ -213,21 +213,25 @@ jobs:
         condition: and(succeeded(), not(eq(variables['Agent.OS'], 'Windows_NT')))
       - bash: |
           make capi
-          cp target/release/libwasmer_runtime_c_api.so ./artifacts
-          find target/release/build -name 'wasmer.h*' -exec cp {} ./artifacts ';'
-        displayName: Build c-api (Linux)
-        condition: and(succeeded(), eq(variables['Agent.OS'], 'Linux'))
+        displayName: Build c-api
       - bash: |
-          make capi
-          install_name_tool -id "@rpath/libwasmer_runtime_c_api.dylib" target/release/libwasmer_runtime_c_api.dylib
-          cp target/release/libwasmer_runtime_c_api.dylib ./artifacts
-        displayName: Build c-api (Darwin)
-        condition: and(succeeded(), eq(variables['Agent.OS'], 'Darwin'))
+          make build-capi
+          cp ./wasmer-c-api.tar.gz ./artifacts/$(./scripts/capi-name.sh)
+        displayName: Build c-api artifacts (Unix)
+        condition: |
+          and(
+            succeeded(),
+            not(eq(variables['Agent.OS'], 'Windows_NT'))
+          )
       - bash: |
-          make capi
-          cp target/release/wasmer_runtime_c_api.dll ./artifacts
-        displayName: Build c-api (Windows)
-        condition: and(succeeded(), eq(variables['Agent.OS'], 'Windows_NT'))
+          make build-capi
+          cp ./wasmer-c-api.tar.gz ./artifacts/wasmer-c-api-windows.tar.gz
+        displayName: Build c-api artifacts (Windows)
+        condition: |
+          and(
+            succeeded(),
+            eq(variables['Agent.OS'], 'Windows_NT')
+          )
       - publish: $(System.DefaultWorkingDirectory)/artifacts
         artifact: library-$(Agent.OS)
 

lib/runtime-c-api/Cargo.toml

@@ -2,6 +2,7 @@
 name = "wasmer-runtime-c-api"
 version = "0.13.1"
 description = "Wasmer C API library"
+documentation = "https://wasmerio.github.io/wasmer/c/runtime-c-api/"
 license = "MIT"
 authors = ["The Wasmer Engineering Team <[email protected]>"]
 repository = "https://github.com/wasmerio/wasmer"

lib/runtime-c-api/doc/index.md

@@ -1,12 +1,9 @@
 # Wasmer Runtime C API
 
-[Wasmer] is a standalone [WebAssembly] runtime, aiming to be fully
-compatible with WASI, Emscripten, Rust and Go. [Learn
-more](https://github.com/wasmerio/wasmer).
+[Wasmer] is a standalone WebAssembly runtime for running WebAssembly [outside of the browser](https://webassembly.org/docs/non-web/), supporting [WASI](https://github.com/WebAssembly/WASI) and [Emscripten](https://emscripten.org/).
 
-The `wasmer-runtime-c-api` crate exposes a C and a C++ API to interact
-with the Wasmer runtime. This document is the index of its
-auto-generated documentation.
+The Wasmer Runtime C API exposes a C and a C++ API to interact
+with the Wasmer Runtime, so you can use WebAssembly anywhere.
 
 [Wasmer]: https://github.com/wasmerio/wasmer
 [WebAssembly]: https://webassembly.org/
@@ -15,21 +12,22 @@ auto-generated documentation.
 
 Since the Wasmer runtime is written in Rust, the C and C++ API are
 designed to work hand-in-hand with its shared library. The C and C++
-header files, namely [`wasmer.h`] and `wasmer.hh` are documented
-here. Their source code can be found in the source tree of this
-crate. They are automatically generated, and always up-to-date in this
-repository. The C and C++ header files along with the runtime shared
+header files, namely [`wasmer.h`][wasmer_h] and `wasmer.hh` are documented
+in the docs.
+
+Their source code can be found in the source tree of the [wasmer-runtime-c-api](https://github.com/wasmerio/wasmer/tree/master/lib/runtime-c-api)
+crate.
+The C and C++ header files along with the runtime shared
 libraries (`.so`, `.dylib`, `.dll`) can also be downloaded in the
 Wasmer [release page].
 
-[`wasmer.h`]: ./wasmer_8h.html
 [release page]: https://github.com/wasmerio/wasmer/releases
 
 Here is a simple example to use the C API:
 
 ```c
 #include <stdio.h>
-#include "../wasmer.h"
+#include "wasmer.h"
 #include <assert.h>
 #include <stdint.h>
 
@@ -90,26 +88,12 @@ int main()
 }
 ```
 
-# Testing
-
-Tests are run using the release build of the library.  If you make
-changes or compile with non-default features, please ensure you
-rebuild in release mode for the tests to see the changes.
+# Examples
 
-The tests can be run via `cargo test`, such as:
+You can check more examples of how to use the Wasmer C API here:
 
-```sh
-$ cargo test --release -- --nocapture
-```
+https://docs.wasmer.io/integrations/c/examples
 
-To run tests manually, enter the `lib/runtime-c-api/tests` directory
-and run the following commands:
-
-```sh
-$ cmake .
-$ make
-$ make test
-```
 
 
 # License
@@ -118,7 +102,6 @@ Wasmer is primarily distributed under the terms of the [MIT
 license][mit-license] ([LICENSE][license]).
 
 
-[wasmer_h]: ./wasmer.h
-[wasmer_hh]: ./wasmer.hh
+[wasmer_h]: https://wasmerio.github.io/wasmer/c/runtime-c-api/wasmer_8h.html
 [mit-license]: http://opensource.org/licenses/MIT
 [license]: https://github.com/wasmerio/wasmer/blob/master/LICENSE

lib/runtime/Cargo.toml

@@ -2,7 +2,6 @@
 name = "wasmer-runtime"
 version = "0.13.1"
 description = "Wasmer runtime library"
-documentation = "https://wasmerio.github.io/wasmer/c/runtime-c-api/"
 license = "MIT"
 authors = ["The Wasmer Engineering Team <[email protected]>"]
 repository = "https://github.com/wasmerio/wasmer"

scripts/capi-name.sh

@@ -0,0 +1,46 @@
+#!/bin/sh
+
+initArch() {
+    ARCH=$(uname -m)
+    if [ -n "$WASMER_ARCH" ]; then
+        ARCH="$WASMER_ARCH"
+    fi
+    # If you modify this list, please also modify install.sh
+    case $ARCH in
+        amd64) ARCH="amd64";;
+        x86_64) ARCH="amd64";;
+        aarch64) ARCH="arm64";;
+        i386) ARCH="386";;
+        *) echo "Architecture ${ARCH} is not supported by this installation script"; exit 1;;
+    esac
+}
+
+initOS() {
+    OS=$(uname | tr '[:upper:]' '[:lower:]')
+    if [ -n "$WASMER_OS" ]; then
+        echo "Using WASMER_OS"
+        OS="$WASMER_OS"
+    fi
+    case "$OS" in
+        darwin) OS='darwin';;
+        linux) OS='linux';;
+        freebsd) OS='freebsd';;
+        # mingw*) OS='windows';;
+        # msys*) OS='windows';;
+        *) echo "OS ${OS} is not supported by this installation script"; exit 1;;
+    esac
+}
+
+# identify platform based on uname output
+initArch
+initOS
+
+# determine install directory if required
+BINARY="wasmer-c-api-${OS}-${ARCH}.tar.gz"
+
+# add .exe if on windows
+# if [ "$OS" = "windows" ]; then
+#     BINARY="$BINARY.exe"
+# fi
+
+echo "${BINARY}"