CMake: Support building HarfBuzz-GObject
This adds support to the CMake build files to support building HarfBuzz-GObject, which is actually a little bit complicated, as we need to: -Run glib-mkenums, which is a Python (for newer GLib/GObject) or PERL (for older, pre 2.53.4, GLib/GObject) script. This matters more for Visual Studio builds as shebang lines are not supported, so we need to test-run it with PERL or Python to determine which is the correct interpretor to use. -Next, we need to replace strings in the sources that we obtain from running glib-mkenums. So, the solution here is to use a small utility CMake script for our purposes here, to maintain maximum compatibility. -Ensure that things do work in the Visual Studio IDE builds.
This commit is contained in:
Chun-wei Fan
parent
162575f2c6
commit
53db221259
128
CMakeLists.txt
128
CMakeLists.txt
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@ -49,6 +49,11 @@ if (HB_BUILD_UTILS)
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set(HB_HAVE_FREETYPE ON)
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endif ()
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option(HB_HAVE_GOBJECT "Enable GObject Bindings" OFF)
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if (HB_HAVE_GOBJECT)
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set(HB_HAVE_GLIB ON)
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endif ()
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include_directories(AFTER
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${PROJECT_SOURCE_DIR}/src
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${PROJECT_BINARY_DIR}/src
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@ -301,6 +306,107 @@ if (WIN32 AND HB_HAVE_DIRECTWRITE)
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list(APPEND THIRD_PARTY_LIBS dwrite rpcrt4)
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endif ()
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if (HB_HAVE_GOBJECT)
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include(FindPythonInterp)
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include(FindPerl)
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# Use the hints from glib-2.0.pc to find glib-mkenums
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find_package(PkgConfig)
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pkg_check_modules(PC_GLIB QUIET glib-2.0)
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find_program(GLIB_MKENUMS glib-mkenums
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HINTS ${PC_glib_mkenums}
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)
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set(GLIB_MKENUMS_CMD)
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if (WIN32 AND NOT MINGW)
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# In Visual Studio builds, shebang lines are not supported
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# in the standard cmd.exe shell that we use, so we need to
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# first determine whether glib-mkenums is a Python or PERL
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# script
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execute_process(COMMAND "${PYTHON_EXECUTABLE}" "${GLIB_MKENUMS}" --version
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RESULT_VARIABLE GLIB_MKENUMS_PYTHON
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OUTPUT_QUIET ERROR_QUIET
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)
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if (GLIB_MKENUMS_PYTHON EQUAL 0)
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message("${GLIB_MKENUMS} is a Python script.")
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set(GLIB_MKENUMS_CMD "${PYTHON_EXECUTABLE}" "${GLIB_MKENUMS}")
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else ()
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execute_process(COMMAND "${PERL_EXECUTABLE}" "${GLIB_MKENUMS}" --version
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RESULT_VARIABLE GLIB_MKENUMS_PERL
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OUTPUT_QUIET ERROR_QUIET
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)
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if (GLIB_MKENUMS_PERL EQUAL 0)
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message("${GLIB_MKENUMS} is a PERL script.")
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set(GLIB_MKENUMS_CMD "${PERL_EXECUTABLE}" "${GLIB_MKENUMS}")
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endif ()
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if (NOT GLIB_MKENUMS_PERL EQUAL 0 AND NOT GLIB_MKENUMS_PYTHON EQUAL 0)
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message(FATAL_ERROR "Unable to determine type of glib-mkenums script")
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endif ()
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endif ()
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else ()
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set(GLIB_MKENUMS_CMD "${GLIB_MKENUMS}")
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endif ()
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if (NOT GLIB_MKENUMS_CMD)
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message(FATAL_ERROR "HB_HAVE_GOBJECT was set, but we failed to find glib-mkenums, which is required")
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endif()
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pkg_check_modules(PC_GOBJECT QUIET gobject-2.0)
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find_library(GOBJECT_LIBRARIES NAMES gobject-2.0 HINTS ${PC_GLIB_LIBDIR} ${PC_GLIB_LIBRARY_DIRS})
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find_path(GOBJECT_INCLUDE_DIR NAMES glib-object.h HINTS ${PC_GLIB_INCLUDEDIR} ${PC_GLIB_INCLUDE_DIRS} PATH_SUFFIXES glib-2.0)
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include_directories(${GOBJECTCONFIG_INCLUDE_DIR} ${GOBJECT_INCLUDE_DIR})
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mark_as_advanced(GOBJECT_LIBRARIES GOBJECT_INCLUDE_DIR)
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list(APPEND hb_gobject_sources ${PROJECT_SOURCE_DIR}/src/hb-gobject-structs.cc)
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list(APPEND hb_gobject_gen_sources
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${CMAKE_CURRENT_BINARY_DIR}/src/hb-gobject-enums.cc
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)
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list(APPEND hb_gobject_headers
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${PROJECT_SOURCE_DIR}/src/hb-gobject.h
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${PROJECT_SOURCE_DIR}/src/hb-gobject-structs.h
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)
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list(APPEND hb_gobject_gen_headers
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${CMAKE_CURRENT_BINARY_DIR}/src/hb-gobject-enums.h
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)
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add_custom_command (
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OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/src/hb-gobject-enums.h
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COMMAND ${GLIB_MKENUMS_CMD}
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--template=${PROJECT_SOURCE_DIR}/src/hb-gobject-enums.h.tmpl
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--identifier-prefix hb_
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--symbol-prefix hb_gobject
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${hb_gobject_header}
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${project_headers}
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> ${CMAKE_CURRENT_BINARY_DIR}/src/hb-gobject-enums.h.tmp
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COMMAND "${CMAKE_COMMAND}"
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"-DENUM_INPUT_SRC=${CMAKE_CURRENT_BINARY_DIR}/src/hb-gobject-enums.h.tmp"
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"-DENUM_OUTPUT_SRC=${CMAKE_CURRENT_BINARY_DIR}/src/hb-gobject-enums.h"
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-P ${PROJECT_SOURCE_DIR}/replace-enum-strings.cmake
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DEPENDS ${PROJECT_SOURCE_DIR}/src/hb-gobject-enums.h.tmpl
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${hb_gobject_header}
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${project_headers}
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)
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add_custom_command (
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OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/src/hb-gobject-enums.cc
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COMMAND ${GLIB_MKENUMS_CMD}
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--template=${PROJECT_SOURCE_DIR}/src/hb-gobject-enums.cc.tmpl
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--identifier-prefix hb_
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--symbol-prefix hb_gobject
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${hb_gobject_header}
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${project_headers}
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> ${CMAKE_CURRENT_BINARY_DIR}/src/hb-gobject-enums.cc.tmp
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COMMAND "${CMAKE_COMMAND}"
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"-DENUM_INPUT_SRC=${CMAKE_CURRENT_BINARY_DIR}/src/hb-gobject-enums.cc.tmp"
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"-DENUM_OUTPUT_SRC=${CMAKE_CURRENT_BINARY_DIR}/src/hb-gobject-enums.cc"
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-P ${PROJECT_SOURCE_DIR}/replace-enum-strings.cmake
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DEPENDS ${PROJECT_SOURCE_DIR}/src/hb-gobject-enums.cc.tmpl
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${CMAKE_CURRENT_BINARY_DIR}/src/hb-gobject-enums.h
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${hb_gobject_header}
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${project_headers}
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)
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endif ()
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## Atomic ops availability detection
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file(WRITE "${PROJECT_BINARY_DIR}/try_compile_intel_atomic_primitives.c"
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@ -338,6 +444,18 @@ endif ()
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add_library(harfbuzz ${project_sources} ${project_headers})
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target_link_libraries(harfbuzz ${THIRD_PARTY_LIBS})
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## Define harfbuzz-gobject library
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if (HB_HAVE_GOBJECT)
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add_library(harfbuzz-gobject
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${hb_gobject_sources}
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${hb_gobject_gen_sources}
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${hb_gobject_headers}
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${hb_gobject_gen_headers}
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)
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include_directories(BEFORE ${CMAKE_CURRENT_BINARY_DIR}/src)
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add_dependencies(harfbuzz-gobject harfbuzz)
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target_link_libraries(harfbuzz-gobject harfbuzz ${GOBJECT_LIBRARIES} ${THIRD_PARTY_LIBS})
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endif ()
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## Additional framework build configs
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if (BUILD_FRAMEWORK)
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@ -382,6 +500,9 @@ endif ()
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## Install
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if (NOT SKIP_INSTALL_HEADERS AND NOT SKIP_INSTALL_ALL)
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install(FILES ${project_headers} DESTINATION include/harfbuzz)
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if (HB_HAVE_GOBJECT)
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install(FILES ${hb_gobject_headers} ${hb_gobject_gen_headers} DESTINATION include/harfbuzz)
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endif ()
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endif ()
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if (NOT SKIP_INSTALL_LIBRARIES AND NOT SKIP_INSTALL_ALL)
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@ -407,4 +528,11 @@ if (NOT SKIP_INSTALL_LIBRARIES AND NOT SKIP_INSTALL_ALL)
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RUNTIME DESTINATION bin
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)
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endif ()
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if (HB_HAVE_GOBJECT)
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install(TARGETS harfbuzz-gobject
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ARCHIVE DESTINATION lib
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LIBRARY DESTINATION lib
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RUNTIME DESTINATION bin
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)
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endif ()
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endif ()
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@ -13,6 +13,7 @@ EXTRA_DIST = \
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BUILD.md \
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RELEASING.md \
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CMakeLists.txt \
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replace-enum-strings.cmake \
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$(NULL)
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MAINTAINERCLEANFILES = \
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@ -0,0 +1,21 @@
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# CMake script to replace items
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# in sources generated by glib-mkenums
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FILE(READ ${ENUM_INPUT_SRC} enum_in)
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STRING(REPLACE
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"_t_get_type"
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"_get_type"
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enum_out_tmp
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"${enum_in}"
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)
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STRING(REPLACE
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"_T ("
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" ("
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enum_out
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"${enum_out_tmp}"
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)
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FILE(WRITE ${ENUM_OUTPUT_SRC} "${enum_out}")
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FILE(REMOVE ${ENUM_INPUT_SRC})
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