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111 lines
3.8 KiB
CMake
111 lines
3.8 KiB
CMake
include(TestBigEndian)
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if( NOT PERL_FOUND )
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message(FATAL_ERROR "Perl required but not found!")
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endif( NOT PERL_FOUND )
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set(PERL ${PERL_EXECUTABLE})
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set(VERSION PACKAGE_VERSION)
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set(PREFIX ${LLVM_BINARY_DIR}) # TODO: Root for `make install'.
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execute_process(COMMAND date
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OUTPUT_VARIABLE LLVM_CONFIGTIME
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OUTPUT_STRIP_TRAILING_WHITESPACE)
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# LLVM_ON_UNIX and LLVM_ON_WIN32 already set.
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# those are set to blank by `autoconf' on MinGW, so it seems they are not required:
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#set(LLVMGCCDIR "")
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#set(LLVMGCC "")
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#set(LLVMGXX "")
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#set(LLVMGCC_VERSION "")
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#set(LLVMGCC_MAJVERS "")
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test_big_endian(IS_BIG_ENDIAN)
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if( IS_BIG_ENDIAN )
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set(ENDIAN "big")
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else( IS_BIG_ENDIAN )
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set(ENDIAN "little")
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endif( IS_BIG_ENDIAN )
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set(SHLIBEXT ${LTDL_SHLIB_EXT})
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#EXEEXT already set.
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set(OS "${CMAKE_SYSTEM}")
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set(ARCH "X86") # TODO: This gives "i686" in Linux: "${CMAKE_SYSTEM_PROCESSOR}")
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include(GetTargetTriple)
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get_target_triple(target)
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foreach(c ${LLVM_TARGETS_TO_BUILD})
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set(TARGETS_BUILT "${TARGETS_BUILT} ${c}")
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endforeach(c)
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set(TARGETS_TO_BUILD ${TARGETS_BUILT})
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set(TARGET_HAS_JIT "1") # TODO
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# Avoids replacement at config-time:
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set(LLVM_CPPFLAGS "@LLVM_CPPFLAGS@")
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set(LLVM_CFLAGS "@LLVM_CFLAGS@")
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set(LLVM_CXXFLAGS "@LLVM_CXXFLAGS@")
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set(LLVM_LDFLAGS "@LLVM_LDFLAGS@")
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set(LIBS "@LIBS@")
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set(LLVM_BUILDMODE "@LLVM_BUILDMODE@")
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configure_file(
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${CMAKE_CURRENT_SOURCE_DIR}/llvm-config.in.in
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${CMAKE_CURRENT_BINARY_DIR}/llvm-config.in
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@ONLY
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)
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set(LIBDEPS ${CMAKE_CURRENT_BINARY_DIR}/LibDeps.txt)
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set(LIBDEPS_TMP ${CMAKE_CURRENT_BINARY_DIR}/LibDeps.txt.tmp)
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set(FINAL_LIBDEPS ${CMAKE_CURRENT_BINARY_DIR}/FinalLibDeps.txt)
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set(LLVM_CONFIG ${LLVM_TOOLS_BINARY_DIR}/llvm-config)
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set(LLVM_CONFIG_IN ${CMAKE_CURRENT_BINARY_DIR}/llvm-config.in)
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if( CMAKE_CROSSCOMPILING )
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set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM ONLY)
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endif()
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find_program(NM_PATH nm PATH_SUFFIXES /bin)
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if( NOT NM_PATH )
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message(FATAL_ERROR "`nm' not found")
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endif()
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add_custom_command(OUTPUT ${LIBDEPS_TMP}
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COMMAND ${PERL_EXECUTABLE} ${LLVM_MAIN_SRC_DIR}/utils/GenLibDeps.pl -flat ${CMAKE_ARCHIVE_OUTPUT_DIRECTORY} ${NM_PATH} > ${LIBDEPS_TMP}
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DEPENDS ${llvm_libs}
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COMMENT "Regenerating ${LIBDEPS_TMP}")
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add_custom_command(OUTPUT ${LIBDEPS}
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COMMAND ${CMAKE_COMMAND} -E copy_if_different ${LIBDEPS_TMP} ${LIBDEPS}
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DEPENDS ${LIBDEPS_TMP}
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COMMENT "Updated ${LIBDEPS} because dependencies changed")
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add_custom_command(OUTPUT ${FINAL_LIBDEPS}
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COMMAND ${PERL_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/find-cycles.pl < ${LIBDEPS} > ${FINAL_LIBDEPS} || ${CMAKE_COMMAND} -E remove -f ${FINAL_LIBDEPS}
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DEPENDS ${LIBDEPS}
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COMMENT "Checking for cyclic dependencies between LLVM libraries.")
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add_custom_command(OUTPUT ${LLVM_CONFIG}
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COMMAND echo 's,@LLVM_CPPFLAGS@,${CMAKE_CPP_FLAGS},' > temp.sed
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COMMAND echo 's,@LLVM_CFLAGS@,${CMAKE_C_FLAGS},' >> temp.sed
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COMMAND echo 's,@LLVM_CXXFLAGS@,${CMAKE_CXX_FLAGS},' >> temp.sed
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# TODO: Use general flags for linking, not just for shared libs:
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COMMAND echo 's,@LLVM_LDFLAGS@,${CMAKE_SHARED_LINKER_FLAGS},' >> temp.sed
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COMMAND echo 's,@LIBS@,,' >> temp.sed # TODO: System libs
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COMMAND echo 's,@LLVM_BUILDMODE@,${CMAKE_BUILD_TYPE},' >> temp.sed
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COMMAND sed -f temp.sed < ${LLVM_CONFIG_IN} > ${LLVM_CONFIG}
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COMMAND ${CMAKE_COMMAND} -E remove -f temp.sed
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COMMAND cat ${FINAL_LIBDEPS} >> ${LLVM_CONFIG}
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COMMAND chmod +x ${LLVM_CONFIG}
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COMMAND cd ${CMAKE_BINARY_DIR} && ${CMAKE_COMMAND} -U HAVE_LLVM_CONFIG -D LLVM_BINARY_DIR="${LLVM_BINARY_DIR}" ${CMAKE_SOURCE_DIR}
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DEPENDS ${FINAL_LIBDEPS} ${LLVM_CONFIG_IN}
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COMMENT "Building llvm-config script."
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)
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add_custom_target(llvm-config.target ALL
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DEPENDS ${LLVM_CONFIG})
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add_dependencies(llvm-config.target ${llvm_lib_targets})
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install(FILES ${LLVM_CONFIG}
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PERMISSIONS OWNER_READ OWNER_WRITE OWNER_EXECUTE GROUP_READ GROUP_EXECUTE
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WORLD_READ WORLD_EXECUTE
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DESTINATION bin)
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