test: Add C compilation tests

Author: gumb0

test/CMakeLists.txt

@@ -27,6 +27,7 @@ set(fizzy_include_dir ${PROJECT_SOURCE_DIR}/lib/fizzy)
 add_subdirectory(utils)
 add_subdirectory(bench)
 add_subdirectory(bench_internal)
+add_subdirectory(compilation)
 add_subdirectory(smoketests)
 add_subdirectory(spectests)
 add_subdirectory(testfloat)

test/compilation/CMakeLists.txt

@@ -0,0 +1,15 @@
+# EVMC: Ethereum Client-VM Connector API.
+# Copyright 2018-2020 The EVMC Authors.
+# Licensed under the Apache License, Version 2.0.
+
+# This CMake script creates multiple additional targets to test the compilation of public headers
+# with different C standards.
+
+set(STANDARDS c_std_99 c_std_11)
+
+foreach(STANDARD 99 11)
+    set(target test-compile-c${STANDARD})
+    add_library(${target} OBJECT compilation_test.c)
+    target_link_libraries(${target} PRIVATE fizzy::fizzy)
+    set_target_properties(${target} PROPERTIES C_STANDARD ${STANDARD} C_EXTENSIONS OFF C_STANDARD_REQUIRED TRUE)
+endforeach()

test/compilation/compilation_test.c

@@ -0,0 +1,7 @@
+// Fizzy: A fast WebAssembly interpreter
+// Copyright 2020 The Fizzy Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+#include <fizzy/fizzy.h>
+
+void dummy() {}