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Under non-Windows platforms, also create a dynamic library version of the runtime. Build of either version of the library can be switched on using FLANG_RT_ENABLE_STATIC=ON respectively FLANG_RT_ENABLE_SHARED=ON. Default is to build only the static library, consistent with previous behaviour. This is because the way the flang driver invokes the linker, most linkers choose the dynamic library by default, if available. Building the dynamic library therefore causes flang-built executables to depend on `libflang_rt.so`, unless explicitly told otherwise.
101 lines
2.5 KiB
Python
101 lines
2.5 KiB
Python
# -*- Python -*-
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import shlex
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import lit.util
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from lit.llvm import llvm_config
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from lit.llvm.subst import ToolSubst, FindTool
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def shjoin(args, sep=" "):
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return sep.join([shlex.quote(arg) for arg in args])
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# Configuration file for the 'lit' test runner.
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# name: The name of this test suite.
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config.name = "flang-rt"
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# testFormat: The test format to use to interpret tests.
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#
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# For now we require '&&' between commands, until they get globally killed and
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# the test runner updated.
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config.test_format = lit.formats.ShTest(not llvm_config.use_lit_shell)
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# suffixes: A list of file extensions to treat as test files.
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config.suffixes = [
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".c",
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".cpp",
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".f",
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".F",
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".ff",
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".FOR",
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".for",
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".f77",
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".f90",
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".F90",
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".ff90",
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".f95",
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".F95",
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".ff95",
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".fpp",
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".FPP",
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".cuf",
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".CUF",
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".f18",
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".F18",
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".f03",
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".F03",
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".f08",
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".F08",
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".ll",
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".fir",
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".mlir",
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]
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llvm_config.use_default_substitutions()
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# test_source_root: The root path where tests are located.
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config.test_source_root = os.path.dirname(__file__)
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# test_exec_root: The root path where tests should be run.
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# lit writes a '.lit_test_times.txt' file into this directory.
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config.test_exec_root = config.flang_rt_binary_test_dir
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# On MacOS, -isysroot is needed to build binaries.
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isysroot_flag = []
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if config.osx_sysroot:
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isysroot_flag = ["-isysroot", config.osx_sysroot]
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tools = [
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ToolSubst(
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"%flang",
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command=config.flang,
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extra_args=isysroot_flag,
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unresolved="fatal",
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),
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ToolSubst(
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"%clang",
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command=FindTool("clang"),
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extra_args=isysroot_flag,
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unresolved="fatal",
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),
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ToolSubst("%cc", command=config.cc, extra_args=isysroot_flag, unresolved="fatal"),
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]
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llvm_config.add_tool_substitutions(tools)
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# Let tests find LLVM's standard tools (FileCheck, split-file, not, ...)
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llvm_config.with_environment("PATH", config.llvm_tools_dir, append_path=True)
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# Include path for C headers that define Flang's Fortran ABI.
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config.substitutions.append(
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("%include", os.path.join(config.flang_source_dir, "include"))
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)
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# Library path of libflang_rt.runtime.a/.so (for lib search path when using non-Flang driver for linking and LD_LIBRARY_PATH)
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config.substitutions.append(("%libdir", config.flang_rt_output_resource_lib_dir))
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# For CUDA offloading, additional steps (device linking) and libraries (cudart) are needed.
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if config.flang_rt_experimental_offload_support == "CUDA":
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config.available_features.add("offload-cuda")
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