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[oota-llvm.git] / cmake / modules / AddLLVM.cmake

diff --git a/cmake/modules/AddLLVM.cmake b/cmake/modules/AddLLVM.cmake
index 0236746b28a4502d852c9f845b5315be63c618f4..b5b74f0f160ffe40c5a5239cfd0b18ba66299b96 100755 (executable)
--- a/cmake/modules/AddLLVM.cmake
+++ b/cmake/modules/AddLLVM.cmake
@@ -1,3 +1,4 @@
+include(LLVMParseArguments)
 include(LLVMProcessSources)
 include(LLVM-Config)
 
@@ -197,3 +198,102 @@ function(add_unittest test_suite test_name)
   endif ()
   set_property(TARGET ${test_name} PROPERTY COMPILE_FLAGS "${target_compile_flags}")
 endfunction()
+
+# This function provides an automatic way to 'configure'-like generate a file
+# based on a set of common and custom variables, specifically targetting the
+# variables needed for the 'lit.site.cfg' files. This function bundles the
+# common variables that any Lit instance is likely to need, and custom
+# variables can be passed in.
+function(configure_lit_site_cfg input output)
+  foreach(c ${LLVM_TARGETS_TO_BUILD})
+    set(TARGETS_BUILT "${TARGETS_BUILT} ${c}")
+  endforeach(c)
+  set(TARGETS_TO_BUILD ${TARGETS_BUILT})
+
+  set(SHLIBEXT "${LTDL_SHLIB_EXT}")
+  set(SHLIBDIR "${LLVM_BINARY_DIR}/lib/${CMAKE_CFG_INTDIR}")
+
+  if(BUILD_SHARED_LIBS)
+    set(LLVM_SHARED_LIBS_ENABLED "1")
+  else()
+    set(LLVM_SHARED_LIBS_ENABLED "0")
+  endif(BUILD_SHARED_LIBS)
+
+  if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
+    set(SHLIBPATH_VAR "DYLD_LIBRARY_PATH")
+  else() # Default for all other unix like systems.
+    # CMake hardcodes the library locaction using rpath.
+    # Therefore LD_LIBRARY_PATH is not required to run binaries in the
+    # build dir. We pass it anyways.
+    set(SHLIBPATH_VAR "LD_LIBRARY_PATH")
+  endif()
+
+  # Configuration-time: See Unit/lit.site.cfg.in
+  set(LLVM_BUILD_MODE "%(build_mode)s")
+
+  set(LLVM_SOURCE_DIR ${LLVM_MAIN_SRC_DIR})
+  set(LLVM_BINARY_DIR ${LLVM_BINARY_DIR})
+  set(LLVM_TOOLS_DIR "${LLVM_TOOLS_BINARY_DIR}/%(build_config)s")
+  set(LLVM_LIBS_DIR "${LLVM_BINARY_DIR}/lib/%(build_config)s")
+  set(PYTHON_EXECUTABLE ${PYTHON_EXECUTABLE})
+  set(ENABLE_SHARED ${LLVM_SHARED_LIBS_ENABLED})
+  set(SHLIBPATH_VAR ${SHLIBPATH_VAR})
+
+  if(LLVM_ENABLE_ASSERTIONS AND NOT MSVC_IDE)
+    set(ENABLE_ASSERTIONS "1")
+  else()
+    set(ENABLE_ASSERTIONS "0")
+  endif()
+
+  set(HOST_OS ${CMAKE_HOST_SYSTEM_NAME})
+  set(HOST_ARCH ${CMAKE_HOST_SYSTEM_PROCESSOR})
+
+  configure_file(${input} ${output} @ONLY)
+endfunction()
+
+# A raw function to create a lit target. This is used to implement the testuite
+# management functions.
+function(add_lit_target target comment)
+  parse_arguments(ARG "PARAMS;DEPENDS;ARGS" "" ${ARGN})
+  set(LIT_ARGS "${ARG_ARGS} ${LLVM_LIT_ARGS}")
+  separate_arguments(LIT_ARGS)
+  set(LIT_COMMAND
+    ${PYTHON_EXECUTABLE}
+    ${LLVM_MAIN_SRC_DIR}/utils/lit/lit.py
+    --param build_config=${CMAKE_CFG_INTDIR}
+    --param build_mode=${RUNTIME_BUILD_MODE}
+    ${LIT_ARGS}
+    )
+  foreach(param ${ARG_PARAMS})
+    list(APPEND LIT_COMMAND --param ${param})
+  endforeach()
+  add_custom_target(${target}
+    COMMAND ${LIT_COMMAND} ${ARG_DEFAULT_ARGS}
+    COMMENT "${comment}"
+    )
+
+  # It would be nice to use the DEPENDS clause in add_custom_target above, but
+  # that has bugs with the CMake 2.8.0 installed on Ubuntu Lucid when the entry
+  # in the depends is another custom target. Instead we add them through an
+  # explicit add_dependencies.
+  add_dependencies(${target} ${ARG_DEPENDS})
+endfunction()
+
+# A function to add a set of lit test suites to be driven through 'check-*' targets.
+function(add_lit_testsuite target comment)
+  parse_arguments(ARG "PARAMS;DEPENDS;ARGS" "" ${ARGN})
+
+  # Register the testsuites, params and depends for the global check rule.
+  set_property(GLOBAL APPEND PROPERTY LLVM_LIT_TESTSUITES ${ARG_DEFAULT_ARGS})
+  set_property(GLOBAL APPEND PROPERTY LLVM_LIT_PARAMS ${ARG_PARAMS})
+  set_property(GLOBAL APPEND PROPERTY LLVM_LIT_DEPENDS ${ARG_DEPENDS})
+  set_property(GLOBAL APPEND PROPERTY LLVM_LIT_EXTRA_ARGS ${ARG_ARGS})
+
+  # Produce a specific suffixed check rule.
+  add_lit_target(${target} ${comment}
+    ${ARG_DEFAULT_ARGS}
+    PARAMS ${ARG_PARAMS}
+    DEPENDS ${ARG_DEPENDS}
+    ARGS ${ARG_ARGS}
+    )
+endfunction()