[llvm-commits] [PATCH] [dragonegg][CMake] Introduce CMakeFiles in dragonegg

[NAKAMURA Takumi]

Hi baldrick, chandlerc,

FYI, it works for me.

* Test stuff is removed for now. (I have a patchset)
* Standalone (w/o llvm) is not supported.

CMake doesn't like dynamic controlled like $(shell) in GNU make. It was hard to emulate gmake's behavior.

- Triple -- Uses gcc's in config time.

- OS -- Uses "TargetInfo -o". include/dragonegg/${OS}/OS.h is copied to ${CMAKE_BUILD_DIR}/include/dragonegg/OS.h in compile time, before Backend.cpp is compiled.

- Arch -- is inducted from gcc's triple, not using TargetInfo -p, in config time.


[TODO]
- Add test stuff
- Add a few missing stuff, version info, etc.
- Add "standalone" configuration.

http://llvm-reviews.chandlerc.com/D300

Files:
  dragonegg/CMakeLists.txt
  dragonegg/utils/CMakeLists.txt
  llvm/projects/CMakeLists.txt

Index: dragonegg/CMakeLists.txt
===================================================================
--- /dev/null
+++ dragonegg/CMakeLists.txt
@@ -0,0 +1,113 @@
+message(STATUS "Configuring DragonEgg...")
+
+add_definitions(-DIN_GCC)
+
+set(DRAGONEGG_TARGET_GCC ${CMAKE_CXX_COMPILER} CACHE PATH "plugin --print-file-name=plugin")
+message(STATUS "Target GCC is ${DRAGONEGG_TARGET_GCC}")
+
+function(get_gcc_prop prop OUTVAR)
+  execute_process(
+    COMMAND ${DRAGONEGG_TARGET_GCC} "-${prop}"
+    OUTPUT_STRIP_TRAILING_WHITESPACE
+    OUTPUT_VARIABLE gcc_prop
+    )
+  set(${OUTVAR} ${gcc_prop} PARENT_SCOPE)
+endfunction()
+
+function(get_gcc_version)
+  get_gcc_prop(dumpversion VER)
+  set(VER__ "${VER}.0.0")
+
+  string(REGEX MATCHALL "[0-9]+" VERS ${VER__})
+
+  list(GET VERS 0 V0)
+  set(GCC_MAJOR ${V0} PARENT_SCOPE)
+  list(GET VERS 1 V1)
+  set(GCC_MINOR ${V1} PARENT_SCOPE)
+  list(GET VERS 2 V2)
+  set(GCC_MICRO ${V2} PARENT_SCOPE)
+
+  message(STATUS "The version is ${VER} (major=${V0}, minor=${V1}, micro=${V2})")
+endfunction()
+
+function(add_backend_header FLAG FILE)
+  get_target_property(TARGET_UTIL TargetInfo LOCATION)
+  set(DST ${CMAKE_BINARY_DIR}/include/dragonegg/${FILE})
+  add_custom_command(
+    OUTPUT ${DST}
+    COMMAND mkdir -p ${CMAKE_BINARY_DIR}/include/dragonegg
+    COMMAND cp ${CMAKE_CURRENT_SOURCE_DIR}/include/`${TARGET_UTIL} ${FLAG}`/dragonegg/${FILE} ${DST}
+    DEPENDS
+    include/*/dragonegg/${FILE}
+    ${TARGET_UTIL}
+    COMMENT "Updating include/dragonegg/${FILE}"
+    )
+  set_source_files_properties(${DST} PROPERTIES GENERATED 1)
+  add_file_dependencies(src/Backend.cpp ${DST})
+endfunction()
+
+function(add_target_source FILE)
+  get_target_property(TARGET_UTIL TargetInfo LOCATION)
+  set(DST ${CMAKE_CURRENT_BINARY_DIR}/${FILE})
+  add_custom_command(
+    OUTPUT ${DST}
+    COMMAND cp ${CMAKE_CURRENT_SOURCE_DIR}/src/`${TARGET_UTIL} -p`/${FILE} ${DST}
+    DEPENDS
+    src/*/${FILE}
+    ${TARGET_UTIL}
+    COMMENT "Updating ${FILE}"
+    )
+  set_source_files_properties(${DST} PROPERTIES GENERATED 1)
+endfunction()
+
+get_gcc_prop("-print-file-name=plugin" GCC_PLUGIN_DIR)
+message(STATUS "GCC's plugin directory is ${GCC_PLUGIN_DIR}")
+include_directories(SYSTEM "${GCC_PLUGIN_DIR}/include")
+
+get_gcc_prop(dumpmachine TARGET_TRIPLE)
+message(STATUS "Target triple is ${TARGET_TRIPLE}")
+add_definitions(-DTARGET_TRIPLE="${TARGET_TRIPLE}")
+
+get_gcc_version()
+add_definitions(
+  -DGCC_MAJOR=${GCC_MAJOR}
+  -DGCC_MINOR=${GCC_MINOR}
+  -DGCC_MICRO=${GCC_MICRO}
+  )
+
+# TODO: Put appropriate version string.
+add_definitions(-DLLVM_VERSION="")
+
+include_directories(include)
+
+add_subdirectory(utils)
+
+add_backend_header(-o OS.h)
+
+# add_backend_header(-p Target.h)
+string(REGEX MATCH "^(i[3-6]86|x86_64)-" TARGET_X86 ${TARGET_TRIPLE})
+string(REGEX MATCH "^(arm|thumb)" TARGET_ARM ${TARGET_TRIPLE})
+if (TARGET_ARM)
+  set(TARGET_ARCH "ARM")
+elseif (TARGET_X86)
+  set(TARGET_ARCH "X86")
+else ()
+  message(FATAL_ERROR "Target architecture is unknown")
+endif ()
+
+message(STATUS "Target architecture is ${TARGET_ARCH}")
+string(TOLOWER ${TARGET_ARCH} TARGET_arch_dir)
+include_directories("include/${TARGET_arch_dir}")
+
+file(GLOB SRC src/*.cpp)
+set(LLVM_LINK_COMPONENTS ipo scalaropts X86)
+
+add_llvm_loadable_module(
+  dragonegg
+  ${SRC}
+  src/${TARGET_arch_dir}/Target.cpp
+  )
+
+add_dependencies(dragonegg
+  intrinsics_gen
+  )
Index: dragonegg/utils/CMakeLists.txt
===================================================================
--- /dev/null
+++ dragonegg/utils/CMakeLists.txt
@@ -0,0 +1,5 @@
+add_llvm_utility(TargetInfo
+  TargetInfo.cpp
+  )
+
+target_link_libraries(TargetInfo LLVMSupport)
Index: llvm/projects/CMakeLists.txt
===================================================================
--- llvm/projects/CMakeLists.txt
+++ llvm/projects/CMakeLists.txt
@@ -5,6 +5,7 @@
 foreach(entry ${entries})
   if(IS_DIRECTORY ${entry} AND EXISTS ${entry}/CMakeLists.txt)
     if((NOT ${entry} STREQUAL ${CMAKE_CURRENT_SOURCE_DIR}/compiler-rt) AND
+       (NOT ${entry} STREQUAL ${CMAKE_CURRENT_SOURCE_DIR}/dragonegg) AND
        (NOT ${entry} STREQUAL ${CMAKE_CURRENT_SOURCE_DIR}/libcxx))
       add_subdirectory(${entry})
     endif()
@@ -17,3 +18,5 @@
    ${LLVM_BUILD_RUNTIME})
   add_llvm_external_project(compiler-rt)
 endif()
+
+add_llvm_external_project(dragonegg)
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