Improve LLVM project configuration

.travis.yml

@@ -17,7 +17,7 @@ env:
 cache:
   ccache: true
   directories:
-  - deps
+  - $TRAVIS_BUILD_DIR/deps
 
 script:
   - if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then scripts/install_cmake.sh; fi

CMakeLists.txt

@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.0.0)
+cmake_minimum_required(VERSION 3.4.0)
 
 cmake_policy(SET CMP0042 OLD)	# Fix MACOSX_RPATH.
 cmake_policy(SET CMP0048 NEW)	# Allow VERSION argument in project().
@@ -8,6 +8,8 @@ endif()
 
 project(EVMJIT VERSION 0.9.0.2 LANGUAGES CXX C)
 
+list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_LIST_DIR}/cmake")
+
 message(STATUS "EVM JIT ${EVMJIT_VERSION_MAJOR}.${EVMJIT_VERSION_MINOR}.${EVMJIT_VERSION_PATCH}")
 
 if (NOT ${CMAKE_SYSTEM_PROCESSOR} MATCHES "x86_64|AMD64")
@@ -38,8 +40,8 @@ if (CMAKE_SYSTEM_NAME STREQUAL "Linux" AND NOT SANITIZE)
 	set(CMAKE_SHARED_LINKER_FLAGS "-Wl,--no-undefined")
 endif()
 
-include(cmake/llvm.cmake)
-configure_llvm_project(llvm)
+include(ProjectLLVM)
+configure_llvm_project()
 
 add_subdirectory(libevmjit)
 

appveyor.yml

@@ -6,8 +6,7 @@ configuration:
   - Debug
   - Release
 cache:
-  - build/deps/downloads
-  - build/deps/llvm -> cmake/llvm.cmake
+  - deps -> cmake/ProjectLLVM.cmake
 before_build: |
   if not exist build mkdir build
   cd build

cmake/llvm.cmake → cmake/ProjectLLVM.cmake

@@ -8,7 +8,7 @@
 # by find_package(... CONFIG) function.
 #
 # Creates a target representing all required LLVM libraries and include path.
-function(configure_llvm_project TARGET_NAME)
+function(configure_llvm_project)
     if (LLVM_DIR)
         find_package(LLVM REQUIRED CONFIG)
         llvm_map_components_to_libnames(LIBS mcjit ipo x86codegen)
@@ -59,29 +59,28 @@ function(configure_llvm_project TARGET_NAME)
             set(BUILD_COMMAND cmake --build <BINARY_DIR> --config Release)
         endif()
 
-        set(DEPS_DIR ${CMAKE_SOURCE_DIR}/deps)
-
         include(ExternalProject)
-        ExternalProject_Add(llvm-project
-            PREFIX ${DEPS_DIR}/llvm
-            DOWNLOAD_DIR ${DEPS_DIR}/downloads
-            DOWNLOAD_NO_PROGRESS 1
-            BINARY_DIR ${DEPS_DIR}/llvm  # Build directly to install dir to avoid copy.
+        ExternalProject_Add(llvm
+            PREFIX ${CMAKE_SOURCE_DIR}/deps
             URL http://llvm.org/releases/3.9.1/llvm-3.9.1.src.tar.xz
             URL_HASH SHA256=1fd90354b9cf19232e8f168faf2220e79be555df3aa743242700879e8fd329ee
+            DOWNLOAD_NO_PROGRESS TRUE
+            BINARY_DIR ${CMAKE_SOURCE_DIR}/deps  # Build directly to install dir to avoid copy.
             CMAKE_ARGS -DCMAKE_BUILD_TYPE=Release
                        -DCMAKE_INSTALL_PREFIX=<INSTALL_DIR>
                        -DLLVM_ENABLE_TERMINFO=OFF  # Disable terminal color support
                        -DLLVM_ENABLE_ZLIB=OFF      # Disable compression support -- not needed at all
                        -DLLVM_TARGETS_TO_BUILD=X86
                        -DLLVM_INCLUDE_TOOLS=OFF -DLLVM_INCLUDE_EXAMPLES=OFF
                        -DLLVM_INCLUDE_TESTS=OFF
+            LOG_CONFIGURE TRUE
             BUILD_COMMAND   ${BUILD_COMMAND}
             INSTALL_COMMAND cmake --build <BINARY_DIR> --config Release --target install
+            LOG_INSTALL TRUE
             EXCLUDE_FROM_ALL TRUE
         )
 
-        ExternalProject_Get_Property(llvm-project INSTALL_DIR)
+        ExternalProject_Get_Property(llvm INSTALL_DIR)
         set(LLVM_LIBRARY_DIRS ${INSTALL_DIR}/lib)
         set(LLVM_INCLUDE_DIRS ${INSTALL_DIR}/include)
         file(MAKE_DIRECTORY ${LLVM_INCLUDE_DIRS})  # Must exists.
@@ -103,12 +102,12 @@ function(configure_llvm_project TARGET_NAME)
     endif()
 
     # Create the target representing
-    add_library(${TARGET_NAME} STATIC IMPORTED)
-    set_property(TARGET ${TARGET_NAME} PROPERTY INTERFACE_COMPILE_DEFINITIONS ${DEFINES})
-    set_property(TARGET ${TARGET_NAME} PROPERTY INTERFACE_INCLUDE_DIRECTORIES ${LLVM_INCLUDE_DIRS})
-    set_property(TARGET ${TARGET_NAME} PROPERTY IMPORTED_LOCATION ${MAIN_LIB})
-    set_property(TARGET ${TARGET_NAME} PROPERTY INTERFACE_LINK_LIBRARIES ${LIBS})
-    if (TARGET llvm-project)
-        add_dependencies(${TARGET_NAME} llvm-project)
+    add_library(LLVM::JIT STATIC IMPORTED)
+    set_property(TARGET LLVM::JIT PROPERTY INTERFACE_COMPILE_DEFINITIONS ${DEFINES})
+    set_property(TARGET LLVM::JIT PROPERTY INTERFACE_INCLUDE_DIRECTORIES ${LLVM_INCLUDE_DIRS})
+    set_property(TARGET LLVM::JIT PROPERTY IMPORTED_LOCATION ${MAIN_LIB})
+    set_property(TARGET LLVM::JIT PROPERTY INTERFACE_LINK_LIBRARIES ${LIBS})
+    if (TARGET llvm)
+        add_dependencies(LLVM::JIT llvm)
     endif()
 endfunction()

libevmjit/CMakeLists.txt

@@ -44,31 +44,31 @@ configure_file(BuildInfo.h.in ${CMAKE_CURRENT_BINARY_DIR}/gen/BuildInfo.gen.h)
 # "Object" library to allow building both static and shared libraries.
 add_library(evmjit-objs OBJECT ${SOURCES} gen/BuildInfo.gen.h)
 # Explicit dependency on llvm to download LLVM header files.
-add_dependencies(evmjit-objs llvm)
+add_dependencies(evmjit-objs LLVM::JIT)
 # PIC is required by shared libraries. We want it in the static library as well,
 # because it is going to be used to create e.g. Python modules (shared libraries).
 set_target_properties(evmjit-objs PROPERTIES POSITION_INDEPENDENT_CODE On)
 target_compile_definitions(evmjit-objs PRIVATE evmjit_EXPORTS)
-get_target_property(LLVM_COMPILE_DEFINITIONS llvm INTERFACE_COMPILE_DEFINITIONS)
+get_target_property(LLVM_COMPILE_DEFINITIONS LLVM::JIT INTERFACE_COMPILE_DEFINITIONS)
 if (LLVM_COMPILE_DEFINITIONS)
 	target_compile_definitions(evmjit-objs PRIVATE ${LLVM_COMPILE_DEFINITIONS})
 endif()
-get_target_property(LLVM_INCLUDE_DIRECTORIES llvm INTERFACE_INCLUDE_DIRECTORIES)
+get_target_property(LLVM_INCLUDE_DIRECTORIES LLVM::JIT INTERFACE_INCLUDE_DIRECTORIES)
 target_include_directories(evmjit-objs SYSTEM PRIVATE ${LLVM_INCLUDE_DIRECTORIES})
 target_include_directories(evmjit-objs PRIVATE ${CMAKE_CURRENT_BINARY_DIR}/gen)
 target_include_directories(evmjit-objs PUBLIC ${EVMJIT_INCLUDE_DIR})
 
 # Static library.
 add_library(evmjit-static STATIC $<TARGET_OBJECTS:evmjit-objs>)
-target_link_libraries(evmjit-static PRIVATE llvm)
+target_link_libraries(evmjit-static PRIVATE LLVM::JIT)
 
 # Shared library.
 add_library(evmjit SHARED $<TARGET_OBJECTS:evmjit-objs>)
 set_target_properties(evmjit PROPERTIES
 					  VERSION ${EVMJIT_VERSION}
 					  SOVERSION ${EVMJIT_SOVERSION}
 					  FOLDER "libs")
-target_link_libraries(evmjit PRIVATE llvm)
+target_link_libraries(evmjit PRIVATE LLVM::JIT)
 
 include(GNUInstallDirs)
 install(TARGETS evmjit