Cleanup libelf build

Use target specific forms for define/include. Don't set
CMAKE_CXX_FLAGS for the standard, which is already implied from the
parent build.

Change-Id: I4000893376d6685e9889b66ad8451fc493020272


[ROCm/clr commit: 815198bec9]

projects/clr/rocclr/CMakeLists.txt

@@ -7,7 +7,6 @@ cmake_minimum_required(VERSION 3.5)
 set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_CURRENT_SOURCE_DIR}/cmake" "${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules")
 set(USE_COMGR_LIBRARY "yes")
 add_definitions(-DUSE_COMGR_LIBRARY -DCOMGR_DYN_DLL)
-add_definitions(-DBSD_LIBELF)
 
 if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
   add_compile_options("-Wno-ignored-attributes")
@@ -141,6 +140,8 @@ add_library(oclruntime OBJECT
 target_include_directories(oclruntime PUBLIC
     $<TARGET_PROPERTY:amd_comgr,INTERFACE_INCLUDE_DIRECTORIES>)
 
+target_compile_definitions(oclruntime PRIVATE BSD_LIBELF)
+
 set_target_properties(oclruntime PROPERTIES POSITION_INDEPENDENT_CODE ON)
 
 add_library(amdvdi_static STATIC

projects/clr/rocclr/elf/utils/libelf/CMakeLists.txt

@@ -1,18 +1,25 @@
-set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
-
-include_directories(${CMAKE_CURRENT_SOURCE_DIR})
-include_directories(${CMAKE_CURRENT_SOURCE_DIR}/../common)
-include_directories(${CMAKE_CURRENT_SOURCE_DIR}/../common/win32/sys)
-
-add_definitions(-DBSD_LIBELF -DUSE_MEMFILE)
 
 file(GLOB sources
   ${CMAKE_CURRENT_SOURCE_DIR}/*.cpp
   ${CMAKE_CURRENT_SOURCE_DIR}/*.c
   ${CMAKE_CURRENT_SOURCE_DIR}/*.h
 )
+
 add_library(oclelf_obj OBJECT ${sources})
 add_library(oclelf STATIC $<TARGET_OBJECTS:oclelf_obj>)
 set_target_properties(oclelf_obj PROPERTIES POSITION_INDEPENDENT_CODE ON)
 set_target_properties(oclelf PROPERTIES POSITION_INDEPENDENT_CODE ON)
 
+target_include_directories(oclelf_obj
+  PRIVATE
+     ${CMAKE_CURRENT_SOURCE_DIR}
+     ${CMAKE_CURRENT_SOURCE_DIR}/../common
+     ${CMAKE_CURRENT_SOURCE_DIR}/../common/win32/sys)
+
+target_compile_definitions(oclelf_obj
+  PUBLIC
+  BSD_LIBELF USE_MEMFILE)
+
+target_compile_definitions(oclelf
+  PUBLIC
+    BSD_LIBELF USE_MEMFILE)