[Libomptarget] Remove global include directory from libomptarget

We used to globally include the libomptarget include directory for all
projects. This caused some conflicts with the other files named
"Debug.h". This patch changes the cmake to include these files via the
target include instead.

Reviewed By: tianshilei1992

Differential Revision: https://reviews.llvm.org/D125563

openmp/libomptarget/CMakeLists.txt

@@ -70,7 +70,6 @@ if(LIBOMPTARGET_ENABLE_DEBUG)
 endif()
 
 set(LIBOMPTARGET_INCLUDE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/include)
-include_directories(${LIBOMPTARGET_INCLUDE_DIR})
 
 # Build target agnostic offloading library.
 set(LIBOMPTARGET_SRC_DIR ${CMAKE_CURRENT_SOURCE_DIR}/src)

openmp/libomptarget/plugins/CMakeLists.txt

@@ -24,9 +24,6 @@ if(CMAKE_SYSTEM_PROCESSOR MATCHES "${tmachine}$")
 
       libomptarget_say("Building ${tmachine_name} offloading plugin.")
 
-      include_directories(${LIBOMPTARGET_DEP_LIBFFI_INCLUDE_DIR})
-      include_directories(${LIBOMPTARGET_DEP_LIBELF_INCLUDE_DIR})
-
       # Define macro to be used as prefix of the runtime messages for this target.
       add_definitions("-DTARGET_NAME=${tmachine_name}")
 
@@ -40,6 +37,11 @@ if(CMAKE_SYSTEM_PROCESSOR MATCHES "${tmachine}$")
       install(TARGETS "omptarget.rtl.${tmachine_libname}"
         LIBRARY DESTINATION "${OPENMP_INSTALL_LIBDIR}")
 
+      target_include_directories( "omptarget.rtl.${tmachine_libname}" PRIVATE
+        ${LIBOMPTARGET_INCLUDE_DIR}
+        ${LIBOMPTARGET_DEP_LIBFFI_INCLUDE_DIR}
+        ${LIBOMPTARGET_DEP_LIBELF_INCLUDE_DIR})
+
       target_link_libraries(
         "omptarget.rtl.${tmachine_libname}"
         elf_common

openmp/libomptarget/plugins/amdgpu/CMakeLists.txt

@@ -43,10 +43,6 @@ if(CMAKE_BUILD_TYPE MATCHES Debug)
   add_definitions(-DDEBUG)
 endif()
 
-include_directories(
-  ${CMAKE_CURRENT_SOURCE_DIR}/impl
-)
-
 set(LIBOMPTARGET_DLOPEN_LIBHSA OFF)
 option(LIBOMPTARGET_FORCE_DLOPEN_LIBHSA "Build with dlopened libhsa" ${LIBOMPTARGET_DLOPEN_LIBHSA})
 
@@ -87,6 +83,13 @@ else()
   set(LDFLAGS_UNDEFINED "-Wl,-z,defs")
 endif()
 
+target_include_directories(
+  omptarget.rtl.amdgpu
+  PRIVATE
+  ${LIBOMPTARGET_INCLUDE_DIR}
+  ${CMAKE_CURRENT_SOURCE_DIR}/impl
+)
+
 target_link_libraries(
   omptarget.rtl.amdgpu
   PRIVATE

openmp/libomptarget/plugins/common/elf_common/CMakeLists.txt

@@ -27,3 +27,4 @@ target_link_libraries(elf_common INTERFACE ${OPENMP_PTHREAD_LIB})
 
 # Expose elf_common.h directory to the users of this library.
 target_include_directories(elf_common INTERFACE ${CMAKE_CURRENT_SOURCE_DIR})
+target_include_directories(elf_common PRIVATE ${LIBOMPTARGET_INCLUDE_DIR})

openmp/libomptarget/plugins/cuda/CMakeLists.txt

@@ -29,10 +29,6 @@ libomptarget_say("Building CUDA offloading plugin.")
 # Define the suffix for the runtime messaging dumps.
 add_definitions(-DTARGET_NAME=CUDA)
 
-include_directories(
-  ${LIBOMPTARGET_DEP_LIBELF_INCLUDE_DIRS}
-)
-
 set(LIBOMPTARGET_DLOPEN_LIBCUDA OFF)
 option(LIBOMPTARGET_FORCE_DLOPEN_LIBCUDA "Build with dlopened libcuda" ${LIBOMPTARGET_DLOPEN_LIBCUDA})
 
@@ -57,6 +53,11 @@ add_dependencies(omptarget.rtl.cuda omptarget.devicertl.nvptx)
 # Install plugin under the lib destination folder.
 install(TARGETS omptarget.rtl.cuda LIBRARY DESTINATION "${OPENMP_INSTALL_LIBDIR}")
 
+target_include_directories(omptarget.rtl.cuda PRIVATE
+  ${LIBOMPTARGET_INCLUDE_DIR}
+  ${LIBOMPTARGET_DEP_LIBELF_INCLUDE_DIRS}
+)
+
 target_link_libraries(omptarget.rtl.cuda
   elf_common
   MemoryManager

openmp/libomptarget/plugins/ve/CMakeLists.txt

@@ -17,10 +17,6 @@ if(${LIBOMPTARGET_DEP_VEO_FOUND})
   set(tmachine_triple "ve-unknown-linux-unknown")
   set(elf_machine_id 251)
 
-  include_directories(${LIBOMPTARGET_DEP_LIBELF_INCLUDE_DIR})
-  include_directories(${LIBOMPTARGET_DEP_VEO_INCLUDE_DIR})
-
-
   # Define macro to be used as prefix of the runtime messages for this target.
   add_definitions("-DTARGET_NAME=${tmachine_name}")
 
@@ -34,6 +30,11 @@ if(${LIBOMPTARGET_DEP_VEO_FOUND})
   install(TARGETS "omptarget.rtl.${tmachine_libname}"
     LIBRARY DESTINATION lib${OPENMP_LIBDIR_SUFFIX})
 
+  target_include_directories("omptarget.rtl.${tmachine_libname}" PRIVATE
+    ${LIBOMPTARGET_INCLUDE_DIR}
+    ${LIBOMPTARGET_DEP_LIBELF_INCLUDE_DIR}
+    ${LIBOMPTARGET_DEP_VEO_INCLUDE_DIR})
+
   target_link_libraries(
     "omptarget.rtl.${tmachine_libname}"
     elf_common

openmp/libomptarget/src/CMakeLists.txt

@@ -34,6 +34,8 @@ if (OPENMP_ENABLE_LIBOMPTARGET_PROFILING)
   target_compile_definitions(omptarget PUBLIC OMPTARGET_PROFILE_ENABLED)
   target_link_libraries(omptarget PRIVATE LLVMSupport)
 endif()
+target_include_directories(omptarget PRIVATE
+  ${LIBOMPTARGET_INCLUDE_DIR})
 target_link_libraries(omptarget PRIVATE
   ${CMAKE_DL_LIBS}
   "-Wl,--version-script=${CMAKE_CURRENT_SOURCE_DIR}/exports")

openmp/libomptarget/tools/deviceinfo/CMakeLists.txt

@@ -16,6 +16,9 @@ add_llvm_tool(llvm-omp-device-info llvm-omp-device-info.cpp)
 
 llvm_update_compile_flags(llvm-omp-device-info)
 
+target_include_directories(llvm-omp-device-info PRIVATE
+  ${LIBOMPTARGET_INCLUDE_DIR}
+)
 target_link_libraries(llvm-omp-device-info PRIVATE
   omp
   omptarget