Set EVM JIT version in cmake script.

CMakeLists.txt

@@ -1,6 +1,7 @@
-cmake_minimum_required(VERSION 2.8.12)
+cmake_minimum_required(VERSION 3.0)
+cmake_policy(SET CMP0048 NEW) 		# allow VERSION argument in project()
 
-project(evmjit)
+project(EVMJIT VERSION 0.9.0 LANGUAGES CXX)
 
 set_property(GLOBAL PROPERTY USE_FOLDERS ON)
 set(CMAKE_AUTOMOC OFF)

libevmjit/BuildInfo.h.in

@@ -3,8 +3,6 @@
 #define EVMJIT_VERSION_MAJOR ${EVMJIT_VERSION_MAJOR}
 #define EVMJIT_VERSION_MINOR ${EVMJIT_VERSION_MINOR}
 #define EVMJIT_VERSION_PATCH ${EVMJIT_VERSION_PATCH}
-#define EVMJIT_VERSION_PRERELEASE "${EVMJIT_VERSION_PRERELEASE}"
-#define EVMJIT_VERSION_FULL "${EVMJIT_VERSION_FULL}"
 
 #define LLVM_VERSION "${LLVM_PACKAGE_VERSION}"
 #define LLVM_ASSERTIONS "${LLVM_ENABLE_ASSERTIONS}"

libevmjit/CMakeLists.txt

@@ -29,37 +29,6 @@ else()
 	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-rtti")
 endif()
 
-
-set(EVMJIT_VERSION "0.0.0")
-set(EVMJIT_VERSION_MAJOR 0)
-set(EVMJIT_VERSION_MINOR 0)
-set(EVMJIT_VERSION_PATCH 0)
-set(EVMJIT_VERSION_FULL "v0.0.0-nogit")
-
-find_package(Git)
-if(GIT_FOUND)
-	execute_process(COMMAND ${GIT_EXECUTABLE} -C ${CMAKE_CURRENT_SOURCE_DIR} describe --dirty --always --match v*
-					OUTPUT_VARIABLE EVMJIT_VERSION_FULL OUTPUT_STRIP_TRAILING_WHITESPACE)
-endif()
-
-if(${EVMJIT_VERSION_FULL} MATCHES "^v[0-9]+\\.[0-9]+")
-	string(SUBSTRING ${EVMJIT_VERSION_FULL} 1 -1 EVMJIT_VERSION_FULL) # skip "v"
-	string(REPLACE "-" ";" VERSION_COMPONENTS ${EVMJIT_VERSION_FULL})
-	list(LENGTH VERSION_COMPONENTS NUM_VERSION_COMPONENTS)
-	list(GET VERSION_COMPONENTS 0 EVMJIT_VERSION)
-	string(REPLACE "." ";" VERSION_NUMBERS ${EVMJIT_VERSION})
-	list(LENGTH VERSION_NUMBERS NUM_VERSION_NUMBERS)
-	list(GET VERSION_NUMBERS 0 EVMJIT_VERSION_MAJOR)
-	list(GET VERSION_NUMBERS 1 EVMJIT_VERSION_MINOR)
-	if(${NUM_VERSION_NUMBERS} GREATER 2)
-		list(GET VERSION_NUMBERS 2 EVMJIT_VERSION_PATCH) # patch number is optional
-	endif()
-	if(${NUM_VERSION_COMPONENTS} GREATER 1)
-		list(GET VERSION_COMPONENTS 1 VERSION_PRERELEASE_CANDIDATE)
-		string(REGEX MATCH "^[a-zA-Z]+.*" EVMJIT_VERSION_PRERELEASE ${VERSION_PRERELEASE_CANDIDATE}) # prerelease starts with letter
-	endif()
-endif()
-
 if(${EVMJIT_VERSION_MAJOR} EQUAL 0)
 	set(EVMJIT_SOVERSION "0.${EVMJIT_VERSION_MINOR}")
 else()
@@ -70,7 +39,7 @@ endif()
 string(COMPARE EQUAL "${LLVM_ENABLE_ASSERTIONS}" "ON" LLVM_DEBUG)
 configure_file(BuildInfo.h.in ${CMAKE_CURRENT_BINARY_DIR}/gen/BuildInfo.gen.h)
 
-message(STATUS "EVM JIT version: ${EVMJIT_VERSION_MAJOR}.${EVMJIT_VERSION_MINOR}.${EVMJIT_VERSION_PATCH} ${EVMJIT_VERSION_PRERELEASE} (${EVMJIT_VERSION_FULL})")
+message(STATUS "EVM JIT version: ${EVMJIT_VERSION_MAJOR}.${EVMJIT_VERSION_MINOR}.${EVMJIT_VERSION_PATCH}")
 
 add_library(${TARGET_NAME} SHARED ${SOURCES} gen/BuildInfo.gen.h)
 set_target_properties(${TARGET_NAME} PROPERTIES

libevmjit/Cache.cpp

@@ -28,17 +28,10 @@ namespace
 	CacheMode g_mode;
 	std::unique_ptr<llvm::MemoryBuffer> g_lastObject;
 	JITListener* g_listener;
-	static const size_t c_versionStampLength = 32;
 
 	llvm::StringRef getLibVersionStamp()
 	{
-		static auto version = llvm::SmallString<c_versionStampLength>{};
+		return EVMJIT_VERSION;
-		if (version.empty())
-		{
-			version = EVMJIT_VERSION_FULL;
-			version.resize(c_versionStampLength);
-		}
-		return version;
 	}
 }
 
@@ -130,11 +123,13 @@ std::unique_ptr<llvm::Module> Cache::getObject(std::string const& id)
 	if (auto r = llvm::MemoryBuffer::getFile(cachePath.str(), -1, false))
 	{
 		auto& buf = r.get();
-		auto objVersionStamp = buf->getBufferSize() >= c_versionStampLength ? llvm::StringRef{buf->getBufferEnd() - c_versionStampLength, c_versionStampLength} : llvm::StringRef{};
+		auto expectedStamp = getLibVersionStamp();
-		if (objVersionStamp == getLibVersionStamp())
+		auto stampSize = expectedStamp.size();
+		auto objStamp = buf->getBufferSize() >= stampSize ? llvm::StringRef{buf->getBufferEnd() - stampSize, stampSize} : llvm::StringRef{};
+		if (objStamp == expectedStamp)
 			g_lastObject = llvm::MemoryBuffer::getMemBufferCopy(r.get()->getBuffer());
 		else
-			DLOG(cache) << "Unmatched version: " << objVersionStamp.str() << ", expected " << getLibVersionStamp().str() << "\n";
+			DLOG(cache) << "Unmatched version: " << objStamp.str() << ", expected " << expectedStamp.str() << "\n";
 	}
 	else if (r.getError() != std::make_error_code(std::errc::no_such_file_or_directory))
 		DLOG(cache) << r.getError().message(); // TODO: Add warning log

libevmjit/JIT.cpp

@@ -51,11 +51,11 @@ void printVersion()
 	std::cout << "Ethereum EVM JIT Compiler (http://github.com/ethereum/evmjit):\n"
 			  << "  EVMJIT version " << EVMJIT_VERSION << "\n"
 #ifdef NDEBUG
-			  << "  Optimized build, " EVMJIT_VERSION_FULL "\n"
+			  << "  Optimized build, "
 #else
-			  << "  DEBUG build, " EVMJIT_VERSION_FULL "\n"
+			  << "  DEBUG build, "
 #endif
-			  << "  Built " << __DATE__ << " (" << __TIME__ << ")\n"
+			  << __DATE__ << " (" << __TIME__ << ")\n"
 			  << std::endl;
 }