set(LLVM_LINK_COMPONENTS support)
-# We need to generate the BuildVariables.inc file containing values which are
-# only defined when under certain build modes. Unfortunately, that precludes
-# doing this inside CMake so we have to shell out to sed. For now, that means we
-# can't expect to build llvm-config on Window.s
set(BUILDVARIABLES_SRCPATH ${CMAKE_CURRENT_SOURCE_DIR}/BuildVariables.inc.in)
set(BUILDVARIABLES_OBJPATH ${CMAKE_CURRENT_BINARY_DIR}/BuildVariables.inc)
-set(SEDSCRIPT_OBJPATH ${CMAKE_CURRENT_BINARY_DIR}/BuildVariables.configure.sed)
+
+# Add the llvm-config tool.
+add_llvm_tool(llvm-config
+ llvm-config.cpp
+ )
# Compute the substitution values for various items.
-get_system_libs(LLVM_SYSTEM_LIBS_LIST)
+get_property(LLVM_SYSTEM_LIBS_LIST TARGET LLVMSupport PROPERTY LLVM_SYSTEM_LIBS)
foreach(l ${LLVM_SYSTEM_LIBS_LIST})
set(SYSTEM_LIBS ${SYSTEM_LIBS} "-l${l}")
endforeach()
-set(C_FLGS "${CMAKE_C_FLAGS} ${CMAKE_C_FLAGS_${uppercase_CMAKE_BUILD_TYPE}} ${LLVM_DEFINITIONS}")
-set(CXX_FLGS "${CMAKE_CXX_FLAGS} ${CMAKE_CXX_FLAGS_${uppercase_CMAKE_BUILD_TYPE}} ${LLVM_DEFINITIONS}")
-set(CPP_FLGS "${CMAKE_CPP_FLAGS} ${CMAKE_CPP_FLAGS_${uppercase_CMAKE_BUILD_TYPE}} ${LLVM_DEFINITIONS}")
-
-add_custom_command(OUTPUT ${BUILDVARIABLES_OBJPATH}
- COMMAND echo s!@LLVM_SRC_ROOT@!${LLVM_MAIN_SRC_DIR}! > ${SEDSCRIPT_OBJPATH}
- COMMAND echo s!@LLVM_OBJ_ROOT@!${LLVM_BINARY_DIR}! >> ${SEDSCRIPT_OBJPATH}
- COMMAND echo s!@LLVM_CPPFLAGS@!${CPP_FLGS}! >> ${SEDSCRIPT_OBJPATH}
- COMMAND echo s!@LLVM_CFLAGS@!${C_FLGS}! >> ${SEDSCRIPT_OBJPATH}
- COMMAND echo s!@LLVM_CXXFLAGS@!${CXX_FLGS}! >> ${SEDSCRIPT_OBJPATH}
- # TODO: Use general flags for linking! not just for shared libs:
- COMMAND echo s!@LLVM_LDFLAGS@!${CMAKE_SHARED_LINKER_FLAGS}! >> ${SEDSCRIPT_OBJPATH}
- COMMAND echo s!@LLVM_BUILDMODE@!${CMAKE_BUILD_TYPE}! >> ${SEDSCRIPT_OBJPATH}
- COMMAND echo s!@LLVM_SYSTEM_LIBS@!${SYSTEM_LIBS}! >> ${SEDSCRIPT_OBJPATH}
- COMMAND echo s!@LLVM_TARGETS_BUILT@!${LLVM_TARGETS_TO_BUILD}! >> ${SEDSCRIPT_OBJPATH}
- COMMAND sed -f ${SEDSCRIPT_OBJPATH} < ${BUILDVARIABLES_SRCPATH} > ${BUILDVARIABLES_OBJPATH}
- VERBATIM
- COMMENT "Building BuildVariables.inc include."
- )
+string(REPLACE ";" " " SYSTEM_LIBS "${SYSTEM_LIBS}")
-# Add the llvm-config tool.
-add_llvm_tool(llvm-config
- llvm-config.cpp
- )
+# Fetch target specific compile options, e.g. RTTI option
+get_property(COMPILE_FLAGS TARGET llvm-config PROPERTY COMPILE_FLAGS)
+
+# Use configure_file to create BuildVariables.inc.
+set(LLVM_SRC_ROOT ${LLVM_MAIN_SRC_DIR})
+set(LLVM_OBJ_ROOT ${LLVM_BINARY_DIR})
+set(LLVM_CPPFLAGS "${CMAKE_CPP_FLAGS} ${CMAKE_CPP_FLAGS_${uppercase_CMAKE_BUILD_TYPE}} ${LLVM_DEFINITIONS}")
+set(LLVM_CFLAGS "${CMAKE_C_FLAGS} ${CMAKE_C_FLAGS_${uppercase_CMAKE_BUILD_TYPE}} ${LLVM_DEFINITIONS}")
+set(LLVM_CXXFLAGS "${CMAKE_CXX_FLAGS} ${CMAKE_CXX_FLAGS_${uppercase_CMAKE_BUILD_TYPE}} ${COMPILE_FLAGS} ${LLVM_DEFINITIONS}")
+set(LLVM_BUILD_SYSTEM cmake)
+set(LLVM_HAS_RTTI ${LLVM_CONFIG_HAS_RTTI})
+
+# Use the C++ link flags, since they should be a superset of C link flags.
+set(LLVM_LDFLAGS "${CMAKE_CXX_LINK_FLAGS}")
+set(LLVM_BUILDMODE ${CMAKE_BUILD_TYPE})
+set(LLVM_SYSTEM_LIBS ${SYSTEM_LIBS})
+if(BUILD_SHARED_LIBS)
+ set(LLVM_ENABLE_SHARED ON)
+else()
+ set(LLVM_ENABLE_SHARED OFF)
+endif()
+string(REPLACE ";" " " LLVM_TARGETS_BUILT "${LLVM_TARGETS_TO_BUILD}")
+configure_file(${BUILDVARIABLES_SRCPATH} ${BUILDVARIABLES_OBJPATH} @ONLY)
+
+# Set build-time environment(s).
+add_definitions(-DCMAKE_CFG_INTDIR="${CMAKE_CFG_INTDIR}")
# Add the dependency on the generation step.
add_file_dependencies(${CMAKE_CURRENT_SOURCE_DIR}/llvm-config.cpp ${BUILDVARIABLES_OBJPATH})
+
+if(CMAKE_CROSSCOMPILING)
+ set(${project}_LLVM_CONFIG_EXE "${LLVM_NATIVE_BUILD}/bin/llvm-config")
+ set(${project}_LLVM_CONFIG_EXE ${${project}_LLVM_CONFIG_EXE} PARENT_SCOPE)
+
+ add_custom_command(OUTPUT "${${project}_LLVM_CONFIG_EXE}"
+ COMMAND ${CMAKE_COMMAND} --build . --target llvm-config --config $<CONFIGURATION>
+ DEPENDS ${LLVM_NATIVE_BUILD}/CMakeCache.txt
+ WORKING_DIRECTORY ${LLVM_NATIVE_BUILD}
+ COMMENT "Building native llvm-config...")
+ add_custom_target(${project}NativeLLVMConfig DEPENDS ${${project}_LLVM_CONFIG_EXE})
+ add_dependencies(${project}NativeLLVMConfig CONFIGURE_LLVM_NATIVE)
+
+ add_dependencies(llvm-config ${project}NativeLLVMConfig)
+endif(CMAKE_CROSSCOMPILING)