CMake of loader and Cable upgrade

CHANGELOG.md

@@ -14,6 +14,8 @@
   Documentation has been extended.
 - Improved: [[#59](https://github.com/ethereum/evmc/pull/59)]
   Optional Result Storage helper module has been separated.
+- Improved: [[#75](https://github.com/ethereum/evmc/pull/75)]
+  Cable upgraded to 0.2.11.
 
 ## [5.0.0] - 2018-08-10
 

cmake/cable/CableBuildInfo.cmake

@@ -77,13 +77,12 @@ function(cable_add_buildinfo_library)
 
     # Add buildinfo library under given name.
     # Make is static and do not build by default until some other target will actually use it.
-    add_library(${name} STATIC EXCLUDE_FROM_ALL ${source_file} ${header_file})
+    add_library(${name} STATIC ${source_file} ${header_file})
 
-    target_include_directories(${name} PUBLIC ${CMAKE_CURRENT_BINARY_DIR})
+    target_include_directories(${name} PUBLIC $<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR}>)
     set_target_properties(
         ${name} PROPERTIES
         LIBRARY_OUTPUT_DIRECTORY ${output_dir}
         ARCHIVE_OUTPUT_DIRECTORY ${output_dir}
-        OUTPUT_NAME buildinfo
     )
 endfunction()

cmake/cable/bootstrap.cmake

@@ -10,7 +10,7 @@
 #
 # This is internal variable automaticaly updated with external tools.
 # Use CABLE_VERSION variable if you need this information.
-set(version 0.2.9)
+set(version 0.2.11)
 
 # For conveniance, add the project CMake module dir to module path.
 set(module_dir ${CMAKE_CURRENT_SOURCE_DIR}/cmake)

cmake/cable/buildinfo/buildinfo.cmake

@@ -2,10 +2,10 @@
 # Copyright 2018 Pawel Bylica.
 # Licensed under the Apache License, Version 2.0. See the LICENSE file.
 
-string(TOLOWER ${SYSTEM_NAME} SYSTEM_NAME)
-string(TOLOWER ${SYSTEM_PROCESSOR} SYSTEM_PROCESSOR)
-string(TOLOWER ${COMPILER_ID} COMPILER_ID)
-string(TOLOWER ${BUILD_TYPE} BUILD_TYPE)
+string(TOLOWER "${SYSTEM_NAME}" SYSTEM_NAME)
+string(TOLOWER "${SYSTEM_PROCESSOR}" SYSTEM_PROCESSOR)
+string(TOLOWER "${COMPILER_ID}" COMPILER_ID)
+string(TOLOWER "${BUILD_TYPE}" BUILD_TYPE)
 string(TIMESTAMP TIMESTAMP)
 
 # Read the git info from a file. The gitinfo is suppose to update the file
@@ -45,7 +45,11 @@ if(GIT_COMMIT_HASH)
     endif()
 endif()
 
-if(${PROJECT_VERSION} STREQUAL "${GIT_LATEST_PROJECT_VERSION}")
+if(NOT PROJECT_VERSION)
+    message(WARNING "PROJECT_VERSION not specified")
+endif()
+
+if(PROJECT_VERSION STREQUAL GIT_LATEST_PROJECT_VERSION)
     if(${GIT_LATEST_PROJECT_VERSION_DISTANCE} GREATER 0)
         set(PROJECT_VERSION "${PROJECT_VERSION}-${GIT_LATEST_PROJECT_VERSION_DISTANCE}${version_commit}")
     endif()

cmake/cable/toolchains/cxx11-fpic.cmake

@@ -0,0 +1,12 @@
+# Cable: CMake Bootstrap Library.
+# Copyright 2018 Pawel Bylica.
+# Licensed under the Apache License, Version 2.0. See the LICENSE file.
+
+set(CMAKE_CXX_STANDARD 11)
+set(CMAKE_CXX_STANDARD_REQUIRED TRUE)
+set(CMAKE_CXX_EXTENSIONS OFF)
+
+set(CMAKE_POSITION_INDEPENDENT_CODE ON)
+
+set(CMAKE_CXX_FLAGS_INIT "-fPIC" CACHE STRING "" FORCE)
+set(CMAKE_C_FLAGS_INIT "-fPIC" CACHE STRING "" FORCE)

cmake/cable/toolchains/cxx11-pic.cmake

@@ -0,0 +1,9 @@
+# Cable: CMake Bootstrap Library.
+# Copyright 2018 Pawel Bylica.
+# Licensed under the Apache License, Version 2.0. See the LICENSE file.
+
+set(CMAKE_CXX_STANDARD 11)
+set(CMAKE_CXX_STANDARD_REQUIRED TRUE)
+set(CMAKE_CXX_EXTENSIONS OFF)
+
+set(CMAKE_POSITION_INDEPENDENT_CODE ON)

lib/loader/CMakeLists.txt

@@ -9,11 +9,13 @@ add_library(
 )
 
 add_library(evmc::loader ALIAS loader)
-set_target_properties(loader PROPERTIES OUTPUT_NAME evmc-loader)
-target_include_directories(loader PUBLIC $<BUILD_INTERFACE:${include_dir}>$<INSTALL_INTERFACE:include>)
+set_target_properties(loader PROPERTIES
+    OUTPUT_NAME evmc-loader
+    POSITION_INDEPENDENT_CODE TRUE
+)
+target_include_directories(loader PUBLIC
+    $<BUILD_INTERFACE:${include_dir}>$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>
+)
 target_link_libraries(loader INTERFACE ${CMAKE_DL_LIBS})
-if(BUILD_SHARED_LIBS)
-    set_target_properties(loader PROPERTIES POSITION_INDEPENDENT_CODE TRUE)
-endif()
 
 install(TARGETS loader EXPORT evmcTargets DESTINATION ${CMAKE_INSTALL_LIBDIR})