forked from OSchip/llvm-project
llvm-config: Replace with C++ version (was llvm-config-2).
- Reapply of r144300, with lots of fixes/migration easement in between. llvm-svn: 145449
This commit is contained in:
Daniel Dunbar
parent
648e48d02e
commit
8d5cc33ad8
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@ -230,7 +230,7 @@ endif()
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set(LLVMBUILDTOOL "${LLVM_MAIN_SRC_DIR}/utils/llvm-build/llvm-build")
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set(LLVMCONFIGLIBRARYDEPENDENCIESINC
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"${LLVM_BINARY_DIR}/tools/llvm-config-2/LibraryDependencies.inc")
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"${LLVM_BINARY_DIR}/tools/llvm-config/LibraryDependencies.inc")
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set(LLVMBUILDCMAKEFRAG
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"${LLVM_BINARY_DIR}/LLVMBuild.cmake")
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message(STATUS "Constructing LLVMBuild project information")
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@ -27,11 +27,11 @@ LEVEL := .
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ifneq ($(findstring llvmCore, $(RC_ProjectName)),llvmCore) # Normal build (not "Apple-style").
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ifeq ($(BUILD_DIRS_ONLY),1)
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DIRS := lib/Support lib/TableGen utils tools/llvm-config-2
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DIRS := lib/Support lib/TableGen utils tools/llvm-config
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OPTIONAL_DIRS := tools/clang/utils/TableGen
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else
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DIRS := lib/Support lib/TableGen utils lib/VMCore lib tools/llvm-shlib \
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tools/llvm-config tools/llvm-config-2 tools runtime docs unittests
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tools/llvm-config tools runtime docs unittests
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OPTIONAL_DIRS := projects bindings
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endif
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@ -79,7 +79,7 @@ LLVMBuildTool := $(PROJ_SRC_ROOT)/utils/llvm-build/llvm-build
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# The files we are going to generate using llvm-build.
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LLVMBuildMakeFrag := $(PROJ_OBJ_ROOT)/Makefile.llvmbuild
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LLVMConfigLibraryDependenciesInc := \
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$(PROJ_OBJ_ROOT)/tools/llvm-config-2/LibraryDependencies.inc
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$(PROJ_OBJ_ROOT)/tools/llvm-config/LibraryDependencies.inc
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# This is for temporary backwards compatibility.
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ifndef TARGET_NATIVE_ARCH
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@ -528,9 +528,9 @@ ifndef LLVM_TBLGEN
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endif
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endif
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ifeq ($(LLVM_CROSS_COMPILING),1)
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LLVM_CONFIG := $(BuildLLVMToolDir)/llvm-config-2$(BUILD_EXEEXT)
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LLVM_CONFIG := $(BuildLLVMToolDir)/llvm-config$(BUILD_EXEEXT)
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else
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LLVM_CONFIG := $(LLVMToolDir)/llvm-config-2$(EXEEXT)
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LLVM_CONFIG := $(LLVMToolDir)/llvm-config$(EXEEXT)
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endif
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ifndef LLVMLD
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LLVMLD := $(LLVMToolDir)/llvm-ld$(EXEEXT)
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@ -1578,9 +1578,6 @@ if test -f ${srcdir}/tools/clang/README.txt; then
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AC_CONFIG_FILES([tools/clang/docs/doxygen.cfg])
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fi
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dnl Do the first stage of configuration for llvm-config.in.
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AC_CONFIG_FILES([tools/llvm-config/llvm-config.in])
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dnl OCaml findlib META file
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AC_CONFIG_FILES([bindings/ocaml/llvm/META.llvm])
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@ -21100,7 +21100,7 @@ if test -f ${srcdir}/tools/clang/README.txt; then
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fi
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ac_config_files="$ac_config_files tools/llvm-config/llvm-config.in"
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ac_config_files="$ac_config_files bindings/ocaml/llvm/META.llvm"
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@ -11,16 +11,9 @@ if( EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/polly/CMakeLists.txt )
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endif( EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/polly/CMakeLists.txt )
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if( NOT WIN32 OR MSYS OR CYGWIN )
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# It is useful to build llvm-config before the other tools, so we
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# have a fresh LibDeps.txt for regenerating the hard-coded library
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# dependencies. llvm-config/CMakeLists.txt takes care of this but we
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# must keep llvm-config as the first entry on the list of tools to
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# be built.
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add_subdirectory(llvm-config)
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# We currently require 'sed' to build llvm-config-2, so don't try to build it
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# We currently require 'sed' to build llvm-config, so don't try to build it
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# on pure Win32.
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add_subdirectory(llvm-config-2)
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add_subdirectory(llvm-config)
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endif()
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add_subdirectory(opt)
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@ -34,7 +34,7 @@ PARALLEL_DIRS := opt llvm-as llvm-dis \
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bugpoint llvm-bcanalyzer llvm-stub \
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llvm-diff macho-dump llvm-objdump \
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llvm-rtdyld llvm-dwarfdump llvm-cov \
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llvm-size llvm-config-2
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llvm-size
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# Let users override the set of tools to build from the command line.
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ifdef ONLY_TOOLS
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@ -1,41 +0,0 @@
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set(LLVM_LINK_COMPONENTS support)
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# We need to generate the BuildVariables.inc file containing values which are
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# only defined when under certain build modes. Unfortunately, that precludes
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# doing this inside CMake so we have to shell out to sed. For now, that means we
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# can't expect to build llvm-config on Window.s
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set(BUILDVARIABLES_SRCPATH ${CMAKE_CURRENT_SOURCE_DIR}/BuildVariables.inc.in)
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set(BUILDVARIABLES_OBJPATH ${CMAKE_CURRENT_BINARY_DIR}/BuildVariables.inc)
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set(SEDSCRIPT_OBJPATH ${CMAKE_CURRENT_BINARY_DIR}/BuildVariables.configure.sed)
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# Compute the substitution values for various items.
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get_system_libs(LLVM_SYSTEM_LIBS_LIST)
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foreach(l ${LLVM_SYSTEM_LIBS_LIST})
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set(SYSTEM_LIBS ${SYSTEM_LIBS} "-l${l}")
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endforeach()
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set(C_FLGS "${CMAKE_C_FLAGS} ${CMAKE_C_FLAGS_${uppercase_CMAKE_BUILD_TYPE}} ${LLVM_DEFINITIONS}")
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set(CXX_FLGS "${CMAKE_CXX_FLAGS} ${CMAKE_CXX_FLAGS_${uppercase_CMAKE_BUILD_TYPE}} ${LLVM_DEFINITIONS}")
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set(CPP_FLGS "${CMAKE_CPP_FLAGS} ${CMAKE_CPP_FLAGS_${uppercase_CMAKE_BUILD_TYPE}} ${LLVM_DEFINITIONS}")
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add_custom_command(OUTPUT ${BUILDVARIABLES_OBJPATH}
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COMMAND echo s!@LLVM_SRC_ROOT@!${LLVM_MAIN_SRC_DIR}! > ${SEDSCRIPT_OBJPATH}
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COMMAND echo s!@LLVM_OBJ_ROOT@!${LLVM_BINARY_DIR}! >> ${SEDSCRIPT_OBJPATH}
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COMMAND echo s!@LLVM_CPPFLAGS@!${CPP_FLGS}! >> ${SEDSCRIPT_OBJPATH}
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COMMAND echo s!@LLVM_CFLAGS@!${C_FLGS}! >> ${SEDSCRIPT_OBJPATH}
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COMMAND echo s!@LLVM_CXXFLAGS@!${CXX_FLGS}! >> ${SEDSCRIPT_OBJPATH}
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# TODO: Use general flags for linking! not just for shared libs:
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COMMAND echo s!@LLVM_LDFLAGS@!${CMAKE_SHARED_LINKER_FLAGS}! >> ${SEDSCRIPT_OBJPATH}
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COMMAND echo s!@LLVM_BUILDMODE@!${CMAKE_BUILD_TYPE}! >> ${SEDSCRIPT_OBJPATH}
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COMMAND echo s!@LLVM_SYSTEM_LIBS@!${SYSTEM_LIBS}! >> ${SEDSCRIPT_OBJPATH}
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COMMAND sed -f ${SEDSCRIPT_OBJPATH} < ${BUILDVARIABLES_SRCPATH} > ${BUILDVARIABLES_OBJPATH}
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VERBATIM
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COMMENT "Building BuildVariables.inc include."
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)
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# Add the llvm-config tool.
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add_llvm_tool(llvm-config-2
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llvm-config.cpp
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)
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# Add the dependency on the generation step.
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add_file_dependencies(${CMAKE_CURRENT_SOURCE_DIR}/llvm-config.cpp ${BUILDVARIABLES_OBJPATH})
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@ -1,57 +0,0 @@
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##===- tools/llvm-config/Makefile---------------------------*- Makefile -*-===##
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#
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# The LLVM Compiler Infrastructure
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#
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# This file is distributed under the University of Illinois Open Source
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# License. See LICENSE.TXT for details.
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#
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##===----------------------------------------------------------------------===##
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LEVEL := ../..
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TOOLNAME := llvm-config-2
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USEDLIBS := LLVMSupport.a
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# We generate sources in the build directory, make sure it is in the include
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# paths.
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INCLUDE_BUILD_DIR := 1
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# This tool has no plugins, optimize startup time.
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TOOL_NO_EXPORTS := 1
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# Note that we have to use lazy expansion here.
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BUILDVARIABLES_SRCPATH = $(PROJ_SRC_ROOT)/tools/$(TOOLNAME)/BuildVariables.inc.in
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BUILDVARIABLES_OBJPATH = $(ObjDir)/BuildVariables.inc
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BUILT_SOURCES = $(BUILDVARIABLES_OBJPATH)
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include $(LEVEL)/Makefile.common
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# Combine preprocessor flags (except for -I) and CXX flags.
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SUB_CPPFLAGS := ${CPP.BaseFlags}
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SUB_CFLAGS := ${CPP.BaseFlags} ${C.Flags}
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SUB_CXXFLAGS := ${CPP.BaseFlags} ${CXX.Flags}
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# This is blank for now. We need to be careful about adding stuff here:
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# LDFLAGS tend not to be portable, and we don't currently require the
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# user to use libtool when linking against LLVM.
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SUB_LDFLAGS :=
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$(ObjDir)/BuildVariables.inc: $(BUILDVARIABLES_SRCPATH) Makefile $(ObjDir)/.dir
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$(Echo) "Building llvm-config BuildVariables.inc file."
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$(Verb) $(ECHO) 's/@LLVM_SRC_ROOT@/$(subst /,\/,$(LLVM_SRC_ROOT))/' \
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> temp.sed
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$(Verb) $(ECHO) 's/@LLVM_OBJ_ROOT@/$(subst /,\/,$(LLVM_OBJ_ROOT))/' \
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>> temp.sed
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$(Verb) $(ECHO) 's/@LLVM_CPPFLAGS@/$(subst /,\/,$(SUB_CPPFLAGS))/' \
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>> temp.sed
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$(Verb) $(ECHO) 's/@LLVM_CFLAGS@/$(subst /,\/,$(SUB_CFLAGS))/' \
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>> temp.sed
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$(Verb) $(ECHO) 's/@LLVM_CXXFLAGS@/$(subst /,\/,$(SUB_CXXFLAGS))/' \
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>> temp.sed
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$(Verb) $(ECHO) 's/@LLVM_LDFLAGS@/$(subst /,\/,$(SUB_LDFLAGS))/' \
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>> temp.sed
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$(Verb) $(ECHO) 's/@LLVM_BUILDMODE@/$(subst /,\/,$(BuildMode))/' \
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>> temp.sed
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$(Verb) $(ECHO) 's/@LLVM_SYSTEM_LIBS@/$(subst /,\/,$(LIBS))/' \
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>> temp.sed
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$(Verb) $(SED) -f temp.sed < $< > $@
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$(Verb) $(RM) temp.sed
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@ -1,138 +1,41 @@
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include(TestBigEndian)
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set(LLVM_LINK_COMPONENTS support)
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include(FindPerl)
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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 ${CMAKE_INSTALL_PREFIX})
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set(abs_top_srcdir ${LLVM_MAIN_SRC_DIR})
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set(abs_top_builddir ${LLVM_BINARY_DIR})
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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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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(target "${TARGET_TRIPLE}")
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set(ARCH "${LLVM_NATIVE_ARCH}")
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# We need to generate the BuildVariables.inc file containing values which are
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# only defined when under certain build modes. Unfortunately, that precludes
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# doing this inside CMake so we have to shell out to sed. For now, that means we
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# can't expect to build llvm-config on Window.s
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set(BUILDVARIABLES_SRCPATH ${CMAKE_CURRENT_SOURCE_DIR}/BuildVariables.inc.in)
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set(BUILDVARIABLES_OBJPATH ${CMAKE_CURRENT_BINARY_DIR}/BuildVariables.inc)
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set(SEDSCRIPT_OBJPATH ${CMAKE_CURRENT_BINARY_DIR}/BuildVariables.configure.sed)
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# Compute the substitution values for various items.
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get_system_libs(LLVM_SYSTEM_LIBS_LIST)
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foreach(l ${LLVM_SYSTEM_LIBS_LIST})
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set(LLVM_SYSTEM_LIBS ${LLVM_SYSTEM_LIBS} "-l${l}")
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set(SYSTEM_LIBS ${SYSTEM_LIBS} "-l${l}")
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endforeach()
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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 ${TARGETS_BUILT})
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set(TARGET_HAS_JIT "1") # TODO
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# Avoids replacement at config-time:
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set(LLVM_CPPFLAGS "@LLVM_CPPFLAGS@")
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set(LLVM_CFLAGS "@LLVM_CFLAGS@")
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set(LLVM_CXXFLAGS "@LLVM_CXXFLAGS@")
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set(LLVM_LDFLAGS "@LLVM_LDFLAGS@")
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set(LIBS "@LIBS@")
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set(LLVM_BUILDMODE "@LLVM_BUILDMODE@")
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set(LLVM_OBJ_SUFFIX "@LLVM_OBJ_SUFFIX@")
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configure_file(
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${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 LibDeps.txt)
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set(LIBDEPS_TMP LibDeps.txt.tmp)
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set(FINAL_LIBDEPS 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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get_property(llvm_libs GLOBAL PROPERTY LLVM_LIBS)
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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 ${CMAKE_ARCHIVE_OUTPUT_DIRECTORY}/${CMAKE_CFG_INTDIR} ${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 "Updating ${LIBDEPS} if necessary...")
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# This must stop the build if find-cycles.pl returns error:
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add_custom_command(OUTPUT ${FINAL_LIBDEPS}
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COMMAND ${CMAKE_COMMAND} -E remove -f ${FINAL_LIBDEPS} ${FINAL_LIBDEPS}.tmp
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COMMAND ${PERL_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/find-cycles.pl < ${LIBDEPS} > ${FINAL_LIBDEPS}.tmp
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COMMAND ${CMAKE_COMMAND} -E copy ${FINAL_LIBDEPS}.tmp ${FINAL_LIBDEPS}
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DEPENDS ${LIBDEPS}
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COMMENT "Checking for cyclic dependencies between LLVM libraries.")
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set(C_FLGS "${CMAKE_C_FLAGS} ${CMAKE_C_FLAGS_${uppercase_CMAKE_BUILD_TYPE}} ${LLVM_DEFINITIONS}")
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set(CXX_FLGS "${CMAKE_CXX_FLAGS} ${CMAKE_CXX_FLAGS_${uppercase_CMAKE_BUILD_TYPE}} ${LLVM_DEFINITIONS}")
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set(CPP_FLGS "${CMAKE_CPP_FLAGS} ${CMAKE_CPP_FLAGS_${uppercase_CMAKE_BUILD_TYPE}} ${LLVM_DEFINITIONS}")
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# We don't want certain flags on the output of
|
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# llvm-config --cflags --cxxflags
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macro(remove_option_from_llvm_config option)
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llvm_replace_compiler_option(C_FLGS "${option}" "")
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llvm_replace_compiler_option(CXX_FLGS "${option}" "")
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llvm_replace_compiler_option(CPP_FLGS "${option}" "")
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endmacro(remove_option_from_llvm_config)
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remove_option_from_llvm_config("-pedantic")
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remove_option_from_llvm_config("-Wall")
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remove_option_from_llvm_config("-W")
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add_custom_command(OUTPUT ${LLVM_CONFIG}
|
||||
COMMAND echo s!@LLVM_CPPFLAGS@!${CPP_FLGS}! > temp.sed
|
||||
COMMAND echo s!@LLVM_CFLAGS@!${C_FLGS}! >> temp.sed
|
||||
COMMAND echo s!@LLVM_CXXFLAGS@!${CXX_FLGS}! >> temp.sed
|
||||
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}! >> temp.sed
|
||||
COMMAND echo s!@LIBS@!${LLVM_SYSTEM_LIBS}! >> temp.sed
|
||||
COMMAND echo s!@LLVM_BUILDMODE@!${CMAKE_BUILD_TYPE}! >> temp.sed
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||||
COMMAND echo s!@LLVM_OBJ_SUFFIX@!! >> temp.sed
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||||
COMMAND sed -f temp.sed < ${LLVM_CONFIG_IN} > ${LLVM_CONFIG}
|
||||
COMMAND ${CMAKE_COMMAND} -E remove -f temp.sed
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||||
COMMAND cat ${FINAL_LIBDEPS} >> ${LLVM_CONFIG}
|
||||
COMMAND chmod +x ${LLVM_CONFIG}
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||||
COMMAND echo s!@LLVM_LDFLAGS@!${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 sed -f ${SEDSCRIPT_OBJPATH} < ${BUILDVARIABLES_SRCPATH} > ${BUILDVARIABLES_OBJPATH}
|
||||
VERBATIM
|
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DEPENDS ${FINAL_LIBDEPS} ${LLVM_CONFIG_IN}
|
||||
COMMENT "Building llvm-config script."
|
||||
COMMENT "Building BuildVariables.inc include."
|
||||
)
|
||||
|
||||
add_custom_target(llvm-config.target ALL
|
||||
DEPENDS ${LLVM_CONFIG})
|
||||
# Add the llvm-config tool.
|
||||
add_llvm_tool(llvm-config
|
||||
llvm-config.cpp
|
||||
)
|
||||
|
||||
# Ensure we build llvm-config after we build all of the libraries so that we
|
||||
# have their full dependencies.
|
||||
add_dependencies(llvm-config.target ${llvm_libs})
|
||||
|
||||
install(FILES ${LLVM_CONFIG}
|
||||
PERMISSIONS OWNER_READ OWNER_WRITE OWNER_EXECUTE GROUP_READ GROUP_EXECUTE
|
||||
WORLD_READ WORLD_EXECUTE
|
||||
DESTINATION bin)
|
||||
# Add the dependency on the generation step.
|
||||
add_file_dependencies(${CMAKE_CURRENT_SOURCE_DIR}/llvm-config.cpp ${BUILDVARIABLES_OBJPATH})
|
||||
|
|
|
|||
|
|
@ -1,5 +1,5 @@
|
|||
##===- tools/llvm-config/Makefile --------------------------*- Makefile -*-===##
|
||||
#
|
||||
##===- tools/llvm-config/Makefile---------------------------*- Makefile -*-===##
|
||||
#
|
||||
# The LLVM Compiler Infrastructure
|
||||
#
|
||||
# This file is distributed under the University of Illinois Open Source
|
||||
|
|
@ -7,57 +7,42 @@
|
|||
#
|
||||
##===----------------------------------------------------------------------===##
|
||||
|
||||
LEVEL = ../..
|
||||
LEVEL := ../..
|
||||
TOOLNAME := llvm-config
|
||||
USEDLIBS := LLVMSupport.a
|
||||
|
||||
EXTRA_DIST = LibDeps.txt FinalLibDeps.txt llvm-config.in.in find-cycles.pl
|
||||
# We generate sources in the build directory, make sure it is in the include
|
||||
# paths.
|
||||
INCLUDE_BUILD_DIR := 1
|
||||
|
||||
# This tool has no plugins, optimize startup time.
|
||||
TOOL_NO_EXPORTS := 1
|
||||
|
||||
# Note that we have to use lazy expansion here.
|
||||
BUILDVARIABLES_SRCPATH = $(PROJ_SRC_ROOT)/tools/$(TOOLNAME)/BuildVariables.inc.in
|
||||
BUILDVARIABLES_OBJPATH = $(ObjDir)/BuildVariables.inc
|
||||
BUILT_SOURCES = $(BUILDVARIABLES_OBJPATH)
|
||||
|
||||
include $(LEVEL)/Makefile.common
|
||||
|
||||
# If we don't have Perl, we can't generate the library dependencies upon which
|
||||
# llvm-config depends. Therefore, only if we detect perl will we do anything
|
||||
# useful.
|
||||
ifeq ($(HAVE_PERL),1)
|
||||
|
||||
# Combine preprocessor flags (except for -I) and CXX flags.
|
||||
SUB_CPPFLAGS = ${CPP.BaseFlags}
|
||||
SUB_CFLAGS = ${CPP.BaseFlags} ${C.Flags}
|
||||
SUB_CXXFLAGS = ${CPP.BaseFlags} ${CXX.Flags}
|
||||
SUB_CPPFLAGS := ${CPP.BaseFlags}
|
||||
SUB_CFLAGS := ${CPP.BaseFlags} ${C.Flags}
|
||||
SUB_CXXFLAGS := ${CPP.BaseFlags} ${CXX.Flags}
|
||||
|
||||
# This is blank for now. We need to be careful about adding stuff here:
|
||||
# LDFLAGS tend not to be portable, and we don't currently require the
|
||||
# user to use libtool when linking against LLVM.
|
||||
SUB_LDFLAGS =
|
||||
SUB_LDFLAGS :=
|
||||
|
||||
FinalLibDeps = $(PROJ_OBJ_DIR)/FinalLibDeps.txt
|
||||
LibDeps = $(PROJ_OBJ_DIR)/LibDeps.txt
|
||||
LibDepsTemp = $(PROJ_OBJ_DIR)/LibDeps.txt.tmp
|
||||
GenLibDeps = $(PROJ_SRC_ROOT)/utils/GenLibDeps.pl
|
||||
|
||||
$(LibDepsTemp): $(GenLibDeps) $(LibDir) $(wildcard $(LibDir)/*.a $(LibDir)/*.o)
|
||||
$(Echo) "Regenerating LibDeps.txt.tmp"
|
||||
$(Verb) $(PERL) $(GenLibDeps) -flat $(LibDir) "$(NM_PATH)" > $(LibDepsTemp)
|
||||
|
||||
$(LibDeps): $(LibDepsTemp)
|
||||
$(Verb) $(CMP) -s $@ $< || ( $(CP) $< $@ && \
|
||||
$(EchoCmd) Updated LibDeps.txt because dependencies changed )
|
||||
|
||||
# Find all the cyclic dependencies between various LLVM libraries, so we
|
||||
# don't have to process them at runtime.
|
||||
$(FinalLibDeps): find-cycles.pl $(LibDeps)
|
||||
$(Echo) "Checking for cyclic dependencies between LLVM libraries."
|
||||
$(Verb) $(PERL) $< < $(LibDeps) > $@ || rm -f $@
|
||||
|
||||
# Rerun our configure substitutions as needed.
|
||||
ConfigInIn = $(PROJ_SRC_DIR)/llvm-config.in.in
|
||||
llvm-config.in: $(ConfigInIn) $(ConfigStatusScript)
|
||||
$(Verb) cd $(PROJ_OBJ_ROOT) ; \
|
||||
$(ConfigStatusScript) tools/llvm-config/llvm-config.in
|
||||
|
||||
# Build our final script.
|
||||
$(ToolDir)/llvm-config: llvm-config.in $(FinalLibDeps)
|
||||
$(Echo) "Building llvm-config script."
|
||||
$(Verb) $(ECHO) 's/@LLVM_CPPFLAGS@/$(subst /,\/,$(SUB_CPPFLAGS))/' \
|
||||
$(ObjDir)/BuildVariables.inc: $(BUILDVARIABLES_SRCPATH) Makefile $(ObjDir)/.dir
|
||||
$(Echo) "Building llvm-config BuildVariables.inc file."
|
||||
$(Verb) $(ECHO) 's/@LLVM_SRC_ROOT@/$(subst /,\/,$(LLVM_SRC_ROOT))/' \
|
||||
> temp.sed
|
||||
$(Verb) $(ECHO) 's/@LLVM_OBJ_ROOT@/$(subst /,\/,$(LLVM_OBJ_ROOT))/' \
|
||||
>> temp.sed
|
||||
$(Verb) $(ECHO) 's/@LLVM_CPPFLAGS@/$(subst /,\/,$(SUB_CPPFLAGS))/' \
|
||||
>> temp.sed
|
||||
$(Verb) $(ECHO) 's/@LLVM_CFLAGS@/$(subst /,\/,$(SUB_CFLAGS))/' \
|
||||
>> temp.sed
|
||||
$(Verb) $(ECHO) 's/@LLVM_CXXFLAGS@/$(subst /,\/,$(SUB_CXXFLAGS))/' \
|
||||
|
|
@ -66,28 +51,7 @@ $(ToolDir)/llvm-config: llvm-config.in $(FinalLibDeps)
|
|||
>> temp.sed
|
||||
$(Verb) $(ECHO) 's/@LLVM_BUILDMODE@/$(subst /,\/,$(BuildMode))/' \
|
||||
>> temp.sed
|
||||
$(Verb) $(ECHO) 's/@LLVM_OBJ_SUFFIX@/$(subst /,\/,/$(BuildMode))/' \
|
||||
$(Verb) $(ECHO) 's/@LLVM_SYSTEM_LIBS@/$(subst /,\/,$(LIBS))/' \
|
||||
>> temp.sed
|
||||
$(Verb) $(SED) -f temp.sed < $< > $@
|
||||
$(Verb) $(RM) temp.sed
|
||||
$(Verb) cat $(FinalLibDeps) >> $@
|
||||
$(Verb) chmod +x $@
|
||||
|
||||
else
|
||||
# We don't have perl, just generate a dummy llvm-config
|
||||
$(ToolDir)/llvm-config:
|
||||
$(Echo) "Building place holder llvm-config script."
|
||||
$(Verb) $(ECHO) 'echo llvm-config: Perl not found so llvm-config could not be generated' >> $@
|
||||
$(Verb) chmod +x $@
|
||||
|
||||
endif
|
||||
# Hook into the standard Makefile rules.
|
||||
all-local:: $(ToolDir)/llvm-config
|
||||
clean-local::
|
||||
$(Verb) $(RM) -f $(ToolDir)/llvm-config llvm-config.in $(FinalLibDeps) \
|
||||
$(LibDeps) GenLibDeps.out
|
||||
install-local:: all-local
|
||||
$(Echo) Installing llvm-config
|
||||
$(Verb) $(MKDIR) $(DESTDIR)$(PROJ_bindir)
|
||||
$(Verb) $(ScriptInstall) $(ToolDir)/llvm-config $(DESTDIR)$(PROJ_bindir)
|
||||
|
||||
|
|
|
|||
|
|
@ -1,170 +0,0 @@
|
|||
#!/usr/bin/perl
|
||||
#
|
||||
# Program: find-cycles.pl
|
||||
#
|
||||
# Synopsis: Given a list of possibly cyclic dependencies, merge all the
|
||||
# cycles. This makes it possible to topologically sort the
|
||||
# dependencies between different parts of LLVM.
|
||||
#
|
||||
# Syntax: find-cycles.pl < LibDeps.txt > FinalLibDeps.txt
|
||||
#
|
||||
# Input: cycmem1: cycmem2 dep1 dep2
|
||||
# cycmem2: cycmem1 dep3 dep4
|
||||
# boring: dep4
|
||||
#
|
||||
# Output: cycmem1 cycmem2: dep1 dep2 dep3 dep4
|
||||
# boring: dep4
|
||||
#
|
||||
# This file was written by Eric Kidd, and is placed into the public domain.
|
||||
#
|
||||
|
||||
use 5.006;
|
||||
use strict;
|
||||
use warnings;
|
||||
|
||||
my %DEPS;
|
||||
my @CYCLES;
|
||||
sub find_all_cycles;
|
||||
|
||||
# Read our dependency information.
|
||||
while (<>) {
|
||||
chomp;
|
||||
my ($module, $dependency_str) = /^\s*([^:]+):\s*(.*)\s*$/;
|
||||
die "Malformed data: $_" unless defined $dependency_str;
|
||||
my @dependencies = split(/ /, $dependency_str);
|
||||
$DEPS{$module} = \@dependencies;
|
||||
}
|
||||
|
||||
# Partition our raw dependencies into sets of cyclically-connected nodes.
|
||||
find_all_cycles();
|
||||
|
||||
# Print out the finished cycles, with their dependencies.
|
||||
my @output;
|
||||
my $cycles_found = 0;
|
||||
foreach my $cycle (@CYCLES) {
|
||||
my @modules = sort keys %{$cycle};
|
||||
|
||||
# Merge the dependencies of all modules in this cycle.
|
||||
my %dependencies;
|
||||
foreach my $module (@modules) {
|
||||
@dependencies{@{$DEPS{$module}}} = 1;
|
||||
}
|
||||
|
||||
# Prune the known cyclic dependencies.
|
||||
foreach my $module (@modules) {
|
||||
delete $dependencies{$module};
|
||||
}
|
||||
|
||||
# Warn about possible linker problems.
|
||||
my @archives = grep(/\.a$/, @modules);
|
||||
if (@archives > 1) {
|
||||
$cycles_found = $cycles_found + 1;
|
||||
print STDERR "find-cycles.pl: Circular dependency between *.a files:\n";
|
||||
print STDERR "find-cycles.pl: ", join(' ', @archives), "\n";
|
||||
push @modules, @archives; # WORKAROUND: Duplicate *.a files. Ick.
|
||||
} elsif (@modules > 1) {
|
||||
$cycles_found = $cycles_found + 1;
|
||||
print STDERR "find-cycles.pl: Circular dependency between *.o files:\n";
|
||||
print STDERR "find-cycles.pl: ", join(' ', @modules), "\n";
|
||||
push @modules, @modules; # WORKAROUND: Duplicate *.o files. Ick.
|
||||
}
|
||||
|
||||
# Add to our output. (@modules is already as sorted as we need it to be.)
|
||||
push @output, (join(' ', @modules) . ': ' .
|
||||
join(' ', sort keys %dependencies) . "\n");
|
||||
}
|
||||
print sort @output;
|
||||
|
||||
exit $cycles_found;
|
||||
|
||||
#==========================================================================
|
||||
# Depedency Cycle Support
|
||||
#==========================================================================
|
||||
# For now, we have cycles in our dependency graph. Ideally, each cycle
|
||||
# would be collapsed down to a single *.a file, saving us all this work.
|
||||
#
|
||||
# To understand this code, you'll need a working knowledge of Perl 5,
|
||||
# and possibly some quality time with 'man perlref'.
|
||||
|
||||
my %SEEN;
|
||||
my %CYCLES;
|
||||
sub find_cycles ($@);
|
||||
sub found_cycles ($@);
|
||||
|
||||
sub find_all_cycles {
|
||||
# Find all multi-item cycles.
|
||||
my @modules = sort keys %DEPS;
|
||||
foreach my $module (@modules) { find_cycles($module); }
|
||||
|
||||
# Build fake one-item "cycles" for the remaining modules, so we can
|
||||
# treat them uniformly.
|
||||
foreach my $module (@modules) {
|
||||
unless (defined $CYCLES{$module}) {
|
||||
my %cycle = ($module, 1);
|
||||
$CYCLES{$module} = \%cycle;
|
||||
}
|
||||
}
|
||||
|
||||
# Find all our unique cycles. We have to do this the hard way because
|
||||
# we apparently can't store hash references as hash keys without making
|
||||
# 'strict refs' sad.
|
||||
my %seen;
|
||||
foreach my $cycle (values %CYCLES) {
|
||||
unless ($seen{$cycle}) {
|
||||
$seen{$cycle} = 1;
|
||||
push @CYCLES, $cycle;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
# Walk through our graph depth-first (keeping a trail in @path), and report
|
||||
# any cycles we find.
|
||||
sub find_cycles ($@) {
|
||||
my ($module, @path) = @_;
|
||||
if (str_in_list($module, @path)) {
|
||||
found_cycle($module, @path);
|
||||
} else {
|
||||
return if defined $SEEN{$module};
|
||||
$SEEN{$module} = 1;
|
||||
foreach my $dep (@{$DEPS{$module}}) {
|
||||
find_cycles($dep, @path, $module);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
# Give a cycle, attempt to merge it with pre-existing cycle data.
|
||||
sub found_cycle ($@) {
|
||||
my ($module, @path) = @_;
|
||||
|
||||
# Pop any modules which aren't part of our cycle.
|
||||
while ($path[0] ne $module) { shift @path; }
|
||||
#print join("->", @path, $module) . "\n";
|
||||
|
||||
# Collect the modules in our cycle into a hash.
|
||||
my %cycle;
|
||||
foreach my $item (@path) {
|
||||
$cycle{$item} = 1;
|
||||
if (defined $CYCLES{$item}) {
|
||||
# Looks like we intersect with an existing cycle, so merge
|
||||
# all those in, too.
|
||||
foreach my $old_item (keys %{$CYCLES{$item}}) {
|
||||
$cycle{$old_item} = 1;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
# Update our global cycle table.
|
||||
my $cycle_ref = \%cycle;
|
||||
foreach my $item (keys %cycle) {
|
||||
$CYCLES{$item} = $cycle_ref;
|
||||
}
|
||||
#print join(":", sort keys %cycle) . "\n";
|
||||
}
|
||||
|
||||
sub str_in_list ($@) {
|
||||
my ($str, @list) = @_;
|
||||
foreach my $item (@list) {
|
||||
return 1 if ($item eq $str);
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
|
@ -1,466 +0,0 @@
|
|||
#!@PERL@
|
||||
##===- tools/llvm-config ---------------------------------------*- perl -*-===##
|
||||
#
|
||||
# The LLVM Compiler Infrastructure
|
||||
#
|
||||
# This file is distributed under the University of Illinois Open Source
|
||||
# License. See LICENSE.TXT for details.
|
||||
#
|
||||
##===----------------------------------------------------------------------===##
|
||||
#
|
||||
# Synopsis: Prints out compiler options needed to build against an installed
|
||||
# copy of LLVM.
|
||||
#
|
||||
# Syntax: llvm-config OPTIONS... [COMPONENTS...]
|
||||
#
|
||||
##===----------------------------------------------------------------------===##
|
||||
|
||||
use 5.006;
|
||||
use strict;
|
||||
use warnings;
|
||||
use Cwd 'abs_path';
|
||||
|
||||
#---- begin autoconf values ----
|
||||
my $PACKAGE_NAME = q{@PACKAGE_NAME@};
|
||||
my $VERSION = q{@PACKAGE_VERSION@};
|
||||
my $PREFIX = q{@LLVM_PREFIX@};
|
||||
my $LLVM_CONFIGTIME = q{@LLVM_CONFIGTIME@};
|
||||
my $LLVM_SRC_ROOT = q{@abs_top_srcdir@};
|
||||
my $LLVM_OBJ_ROOT = q{@abs_top_builddir@};
|
||||
my $ARCH = lc(q{@ARCH@});
|
||||
my $TARGET_TRIPLE = q{@target@};
|
||||
my $TARGETS_TO_BUILD = q{@TARGETS_TO_BUILD@};
|
||||
my $TARGET_HAS_JIT = q{@TARGET_HAS_JIT@};
|
||||
my @TARGETS_BUILT = map { lc($_) } qw{@TARGETS_TO_BUILD@};
|
||||
#---- end autoconf values ----
|
||||
|
||||
# Must pretend x86_64 architecture is really x86, otherwise the native backend
|
||||
# won't get linked in.
|
||||
$ARCH = "x86" if $ARCH eq "x86_64";
|
||||
|
||||
#---- begin Makefile values ----
|
||||
my $CPPFLAGS = q{@LLVM_CPPFLAGS@};
|
||||
my $CFLAGS = q{@LLVM_CFLAGS@};
|
||||
my $CXXFLAGS = q{@LLVM_CXXFLAGS@};
|
||||
my $LDFLAGS = q{@LLVM_LDFLAGS@};
|
||||
my $SYSTEM_LIBS = q{@LIBS@};
|
||||
my $LLVM_BUILDMODE = q{@LLVM_BUILDMODE@};
|
||||
my $LLVM_OBJ_SUFFIX = q{@LLVM_OBJ_SUFFIX@};
|
||||
#---- end Makefile values ----
|
||||
|
||||
# Figure out where llvm-config is being run from. Primarily, we care if it has
|
||||
# been installed, or is running from the build directory, which changes the
|
||||
# locations of some files.
|
||||
|
||||
# Convert the current executable name into its directory (e.g. ".").
|
||||
my ($RUN_DIR) = ($0 =~ /^(.*)\/.*$/);
|
||||
|
||||
# Turn the directory into an absolute directory on the file system, also pop up
|
||||
# from "bin" into the build or prefix dir.
|
||||
my $ABS_RUN_DIR = abs_path("$RUN_DIR/..");
|
||||
chomp($ABS_RUN_DIR);
|
||||
|
||||
# Compute the absolute object directory build, e.g. "foo/llvm/Debug".
|
||||
my $ABS_OBJ_ROOT = "$LLVM_OBJ_ROOT$LLVM_OBJ_SUFFIX";
|
||||
$ABS_OBJ_ROOT = abs_path("$ABS_OBJ_ROOT") if (-d $ABS_OBJ_ROOT);
|
||||
chomp($ABS_OBJ_ROOT);
|
||||
|
||||
my $INCLUDEDIR = "$ABS_RUN_DIR/include";
|
||||
my $INCLUDEOPTION = "-I$INCLUDEDIR";
|
||||
my $LIBDIR = "$ABS_RUN_DIR/lib";
|
||||
my $BINDIR = "$ABS_RUN_DIR/bin";
|
||||
if ($ABS_RUN_DIR eq $ABS_OBJ_ROOT) {
|
||||
# If we are running out of the build directory, the include dir is in the
|
||||
# srcdir.
|
||||
$INCLUDEDIR = "$LLVM_SRC_ROOT/include";
|
||||
# We need include files from both the srcdir and objdir.
|
||||
$INCLUDEOPTION = "-I$INCLUDEDIR -I$LLVM_OBJ_ROOT/include"
|
||||
} else {
|
||||
# If installed, ignore the prefix the tree was configured with, use the
|
||||
# current prefix.
|
||||
$PREFIX = $ABS_RUN_DIR;
|
||||
}
|
||||
|
||||
sub usage;
|
||||
sub fix_library_names (@);
|
||||
sub fix_library_files (@);
|
||||
sub expand_dependencies (@);
|
||||
sub name_map_entries;
|
||||
|
||||
# Parse our command-line arguments.
|
||||
usage if @ARGV == 0;
|
||||
my @components;
|
||||
my $has_opt = 0;
|
||||
my $want_libs = 0;
|
||||
my $want_libnames = 0;
|
||||
my $want_libfiles = 0;
|
||||
my $want_components = 0;
|
||||
foreach my $arg (@ARGV) {
|
||||
if ($arg =~ /^-/) {
|
||||
if ($arg eq "--version") {
|
||||
$has_opt = 1; print "$VERSION\n";
|
||||
} elsif ($arg eq "--prefix") {
|
||||
$has_opt = 1; print "$PREFIX\n";
|
||||
} elsif ($arg eq "--bindir") {
|
||||
$has_opt = 1; print "$BINDIR\n";
|
||||
} elsif ($arg eq "--includedir") {
|
||||
$has_opt = 1; print "$INCLUDEDIR\n";
|
||||
} elsif ($arg eq "--libdir") {
|
||||
$has_opt = 1; print "$LIBDIR\n";
|
||||
} elsif ($arg eq "--cppflags") {
|
||||
$has_opt = 1; print "$INCLUDEOPTION $CPPFLAGS\n";
|
||||
} elsif ($arg eq "--cflags") {
|
||||
$has_opt = 1; print "$INCLUDEOPTION $CFLAGS\n";
|
||||
} elsif ($arg eq "--cxxflags") {
|
||||
$has_opt = 1; print "$INCLUDEOPTION $CXXFLAGS\n";
|
||||
} elsif ($arg eq "--ldflags") {
|
||||
$has_opt = 1; print "-L$LIBDIR $LDFLAGS $SYSTEM_LIBS\n";
|
||||
} elsif ($arg eq "--libs") {
|
||||
$has_opt = 1; $want_libs = 1;
|
||||
} elsif ($arg eq "--libnames") {
|
||||
$has_opt = 1; $want_libnames = 1;
|
||||
} elsif ($arg eq "--libfiles") {
|
||||
$has_opt = 1; $want_libfiles = 1;
|
||||
} elsif ($arg eq "--components") {
|
||||
$has_opt = 1; print join(' ', name_map_entries), "\n";
|
||||
} elsif ($arg eq "--targets-built") {
|
||||
$has_opt = 1; print join(' ', @TARGETS_BUILT), "\n";
|
||||
} elsif ($arg eq "--host-target") {
|
||||
$has_opt = 1; print "$TARGET_TRIPLE\n";
|
||||
} elsif ($arg eq "--build-mode") {
|
||||
$has_opt = 1; print "$LLVM_BUILDMODE\n";
|
||||
} elsif ($arg eq "--obj-root") {
|
||||
$has_opt = 1; print abs_path("$LLVM_OBJ_ROOT/");
|
||||
} elsif ($arg eq "--src-root") {
|
||||
$has_opt = 1; print abs_path("$LLVM_SRC_ROOT/");
|
||||
} else {
|
||||
usage();
|
||||
}
|
||||
} else {
|
||||
push @components, $arg;
|
||||
}
|
||||
}
|
||||
|
||||
# If no options were specified, fail.
|
||||
usage unless $has_opt;
|
||||
|
||||
# If no components were specified, default to 'all'.
|
||||
if (@components == 0) {
|
||||
push @components, 'all';
|
||||
}
|
||||
|
||||
# Force component names to lower case.
|
||||
@components = map lc, @components;
|
||||
|
||||
# Handle any arguments which require building our dependency graph.
|
||||
if ($want_libs || $want_libnames || $want_libfiles) {
|
||||
my @libs = expand_dependencies(@components);
|
||||
print join(' ', fix_library_names(@libs)), "\n" if ($want_libs);
|
||||
print join(' ', @libs), "\n" if ($want_libnames);
|
||||
print join(' ', fix_library_files(@libs)), "\n" if ($want_libfiles);
|
||||
}
|
||||
|
||||
exit 0;
|
||||
|
||||
#==========================================================================
|
||||
# Support Routines
|
||||
#==========================================================================
|
||||
|
||||
sub usage {
|
||||
print STDERR <<__EOD__;
|
||||
Usage: llvm-config <OPTION>... [<COMPONENT>...]
|
||||
|
||||
Get various configuration information needed to compile programs which use
|
||||
LLVM. Typically called from 'configure' scripts. Examples:
|
||||
llvm-config --cxxflags
|
||||
llvm-config --ldflags
|
||||
llvm-config --libs engine bcreader scalaropts
|
||||
|
||||
Options:
|
||||
--version Print LLVM version.
|
||||
--prefix Print the installation prefix.
|
||||
--src-root Print the source root LLVM was built from.
|
||||
--obj-root Print the object root used to build LLVM.
|
||||
--bindir Directory containing LLVM executables.
|
||||
--includedir Directory containing LLVM headers.
|
||||
--libdir Directory containing LLVM libraries.
|
||||
--cppflags C preprocessor flags for files that include LLVM headers.
|
||||
--cflags C compiler flags for files that include LLVM headers.
|
||||
--cxxflags C++ compiler flags for files that include LLVM headers.
|
||||
--ldflags Print Linker flags.
|
||||
--libs Libraries needed to link against LLVM components.
|
||||
--libnames Bare library names for in-tree builds.
|
||||
--libfiles Fully qualified library filenames for makefile depends.
|
||||
--components List of all possible components.
|
||||
--targets-built List of all targets currently built.
|
||||
--host-target Target triple used to configure LLVM.
|
||||
--build-mode Print build mode of LLVM tree (e.g. Debug or Release).
|
||||
Typical components:
|
||||
all All LLVM libraries (default).
|
||||
engine Either a native JIT or a bitcode interpreter.
|
||||
__EOD__
|
||||
exit(1);
|
||||
}
|
||||
|
||||
# Use -lfoo instead of libfoo.a whenever possible, and add directories to
|
||||
# files which can't be found using -L.
|
||||
sub fix_library_names (@) {
|
||||
my @libs = @_;
|
||||
my @result;
|
||||
foreach my $lib (@libs) {
|
||||
# Transform the bare library name appropriately.
|
||||
my ($basename) = ($lib =~ /^lib([^.]*)\.a/);
|
||||
if (defined $basename) {
|
||||
push @result, "-l$basename";
|
||||
} else {
|
||||
push @result, "$LIBDIR/$lib";
|
||||
}
|
||||
}
|
||||
return @result;
|
||||
}
|
||||
|
||||
# Turn the list of libraries into a list of files.
|
||||
sub fix_library_files(@) {
|
||||
my @libs = @_;
|
||||
my @result;
|
||||
foreach my $lib (@libs) {
|
||||
# Transform the bare library name into a filename.
|
||||
push @result, "$LIBDIR/$lib";
|
||||
}
|
||||
return @result;
|
||||
}
|
||||
|
||||
#==========================================================================
|
||||
# Library Dependency Analysis
|
||||
#==========================================================================
|
||||
# Given a few human-readable library names, find all their dependencies
|
||||
# and sort them into an order which the linker will like. If we packed
|
||||
# our libraries into fewer archives, we could make the linker do much
|
||||
# of this work for us.
|
||||
#
|
||||
# Libraries have two different types of names in this code: Human-friendly
|
||||
# "component" names entered on the command-line, and the raw file names
|
||||
# we use internally (and ultimately pass to the linker).
|
||||
#
|
||||
# To understand this code, you'll need a working knowledge of Perl 5,
|
||||
# and possibly some quality time with 'man perlref'.
|
||||
|
||||
sub load_dependencies;
|
||||
sub build_name_map;
|
||||
sub have_native_backend;
|
||||
sub find_best_engine;
|
||||
sub expand_names (@);
|
||||
sub find_all_required_sets (@);
|
||||
sub find_all_required_sets_helper ($$@);
|
||||
|
||||
# Each "set" contains one or more libraries which must be included as a
|
||||
# group (due to cyclic dependencies). Sets are represented as a Perl array
|
||||
# reference pointing to a list of internal library names.
|
||||
my @SETS;
|
||||
|
||||
# Various mapping tables.
|
||||
my %LIB_TO_SET_MAP; # Maps internal library names to their sets.
|
||||
my %SET_DEPS; # Maps sets to a list of libraries they depend on.
|
||||
my %NAME_MAP; # Maps human-entered names to internal names.
|
||||
|
||||
# Have our dependencies been loaded yet?
|
||||
my $DEPENDENCIES_LOADED = 0;
|
||||
|
||||
# Given a list of human-friendly component names, translate them into a
|
||||
# complete set of linker arguments.
|
||||
sub expand_dependencies (@) {
|
||||
my @libs = @_;
|
||||
load_dependencies;
|
||||
my @required_sets = find_all_required_sets(expand_names(@libs));
|
||||
my @sorted_sets = topologically_sort_sets(@required_sets);
|
||||
|
||||
# Expand the library sets into libraries.
|
||||
my @result;
|
||||
foreach my $set (@sorted_sets) { push @result, @{$set}; }
|
||||
return @result;
|
||||
}
|
||||
|
||||
# Load in the raw dependency data stored at the end of this file.
|
||||
sub load_dependencies {
|
||||
return if $DEPENDENCIES_LOADED;
|
||||
$DEPENDENCIES_LOADED = 1;
|
||||
while (<DATA>) {
|
||||
# Parse our line.
|
||||
my ($libs, $deps) = /^\s*([^:]+):\s*(.*)\s*$/;
|
||||
die "Malformed dependency data" unless defined $deps;
|
||||
my @libs = split(' ', $libs);
|
||||
my @deps = split(' ', $deps);
|
||||
|
||||
# Record our dependency data.
|
||||
my $set = \@libs;
|
||||
push @SETS, $set;
|
||||
foreach my $lib (@libs) { $LIB_TO_SET_MAP{$lib} = $set; }
|
||||
$SET_DEPS{$set} = \@deps;
|
||||
}
|
||||
build_name_map;
|
||||
}
|
||||
|
||||
# Build a map converting human-friendly component names into internal
|
||||
# library names.
|
||||
sub build_name_map {
|
||||
# Add entries for all the actual libraries.
|
||||
foreach my $set (@SETS) {
|
||||
foreach my $lib (sort @$set) {
|
||||
my $short_name = $lib;
|
||||
$short_name =~ s/^(lib)?LLVM([^.]*)\..*$/$2/;
|
||||
$short_name =~ tr/A-Z/a-z/;
|
||||
$NAME_MAP{$short_name} = [$lib];
|
||||
}
|
||||
}
|
||||
|
||||
# Add target-specific entries
|
||||
my @all_targets;
|
||||
foreach my $target (@TARGETS_BUILT) {
|
||||
# FIXME: Temporary, until we don't switch all targets
|
||||
if (defined $NAME_MAP{$target.'asmprinter'}) {
|
||||
$NAME_MAP{$target} = [$target.'info',
|
||||
$target.'asmprinter',
|
||||
$target.'codegen']
|
||||
} elsif (defined $NAME_MAP{$target.'codegen'}) {
|
||||
$NAME_MAP{$target} = [$target.'info',
|
||||
$target.'codegen']
|
||||
} else {
|
||||
$NAME_MAP{$target} = [$target.'info',
|
||||
$NAME_MAP{$target}[0]]
|
||||
}
|
||||
|
||||
if (defined $NAME_MAP{$target.'asmparser'}) {
|
||||
push @{$NAME_MAP{$target}},$target.'asmparser'
|
||||
}
|
||||
|
||||
if (defined $NAME_MAP{$target.'disassembler'}) {
|
||||
push @{$NAME_MAP{$target}},$target.'disassembler'
|
||||
}
|
||||
|
||||
push @all_targets, $target;
|
||||
}
|
||||
|
||||
# Add virtual entries.
|
||||
$NAME_MAP{'native'} = have_native_backend() ? [$ARCH] : [];
|
||||
$NAME_MAP{'nativecodegen'} = have_native_backend() ? [$ARCH.'codegen'] : [];
|
||||
$NAME_MAP{'engine'} = find_best_engine;
|
||||
$NAME_MAP{'all-targets'} = \@all_targets;
|
||||
$NAME_MAP{'all'} = [name_map_entries]; # Must be last.
|
||||
}
|
||||
|
||||
# Return true if we have a native backend to use.
|
||||
sub have_native_backend {
|
||||
my %BUILT;
|
||||
foreach my $target (@TARGETS_BUILT) { $BUILT{$target} = 1; }
|
||||
return defined $NAME_MAP{$ARCH} && defined $BUILT{$ARCH};
|
||||
}
|
||||
|
||||
# Find a working subclass of ExecutionEngine for this platform.
|
||||
sub find_best_engine {
|
||||
if (have_native_backend && $TARGET_HAS_JIT) {
|
||||
return ['jit', 'native'];
|
||||
} else {
|
||||
return ['interpreter'];
|
||||
}
|
||||
}
|
||||
|
||||
# Get all the human-friendly component names.
|
||||
sub name_map_entries {
|
||||
load_dependencies;
|
||||
return sort keys %NAME_MAP;
|
||||
}
|
||||
|
||||
# Map human-readable names to internal library names.
|
||||
sub expand_names (@) {
|
||||
my @names = @_;
|
||||
my @result;
|
||||
foreach my $name (@names) {
|
||||
if (defined $LIB_TO_SET_MAP{$name}) {
|
||||
# We've hit bottom: An actual library name.
|
||||
push @result, $name;
|
||||
} elsif (defined $NAME_MAP{$name}) {
|
||||
# We've found a short name to expand.
|
||||
push @result, expand_names(@{$NAME_MAP{$name}});
|
||||
} else {
|
||||
print STDERR "llvm-config: unknown component name: $name\n";
|
||||
exit(1);
|
||||
}
|
||||
}
|
||||
return @result;
|
||||
}
|
||||
|
||||
# Given a list of internal library names, return all sets of libraries which
|
||||
# will need to be included by the linker (in no particular order).
|
||||
sub find_all_required_sets (@) {
|
||||
my @libs = @_;
|
||||
my %sets_added;
|
||||
my @result;
|
||||
find_all_required_sets_helper(\%sets_added, \@result, @libs);
|
||||
return @result;
|
||||
}
|
||||
|
||||
# Recursive closures are pretty broken in Perl, so we're going to separate
|
||||
# this function from find_all_required_sets and pass in the state we need
|
||||
# manually, as references. Yes, this is fairly unpleasant.
|
||||
sub find_all_required_sets_helper ($$@) {
|
||||
my ($sets_added, $result, @libs) = @_;
|
||||
foreach my $lib (@libs) {
|
||||
my $set = $LIB_TO_SET_MAP{$lib};
|
||||
next if defined $$sets_added{$set};
|
||||
$$sets_added{$set} = 1;
|
||||
push @$result, $set;
|
||||
find_all_required_sets_helper($sets_added, $result, @{$SET_DEPS{$set}});
|
||||
}
|
||||
}
|
||||
|
||||
# Print a list of sets, with a label. Used for debugging.
|
||||
sub print_sets ($@) {
|
||||
my ($label, @sets) = @_;
|
||||
my @output;
|
||||
foreach my $set (@sets) { push @output, join(',', @$set); }
|
||||
print "$label: ", join(';', @output), "\n";
|
||||
}
|
||||
|
||||
# Returns true if $lib is a key in $added.
|
||||
sub has_lib_been_added ($$) {
|
||||
my ($added, $lib) = @_;
|
||||
return defined $$added{$LIB_TO_SET_MAP{$lib}};
|
||||
}
|
||||
|
||||
# Returns true if all the dependencies of $set appear in $added.
|
||||
sub have_all_deps_been_added ($$) {
|
||||
my ($added, $set) = @_;
|
||||
#print_sets(" Checking", $set);
|
||||
#print_sets(" Wants", $SET_DEPS{$set});
|
||||
foreach my $lib (@{$SET_DEPS{$set}}) {
|
||||
return 0 unless has_lib_been_added($added, $lib);
|
||||
}
|
||||
return 1;
|
||||
}
|
||||
|
||||
# Given a list of sets, topologically sort them using dependencies.
|
||||
sub topologically_sort_sets (@) {
|
||||
my @sets = @_;
|
||||
my %added;
|
||||
my @result;
|
||||
SCAN: while (@sets) { # We'll delete items from @sets as we go.
|
||||
#print_sets("So far", reverse(@result));
|
||||
#print_sets("Remaining", @sets);
|
||||
for (my $i = 0; $i < @sets; ++$i) {
|
||||
my $set = $sets[$i];
|
||||
if (have_all_deps_been_added(\%added, $set)) {
|
||||
push @result, $set;
|
||||
$added{$set} = 1;
|
||||
#print "Removing $i.\n";
|
||||
splice(@sets, $i, 1);
|
||||
next SCAN; # Restart our scan.
|
||||
}
|
||||
}
|
||||
die "Can't find a library with no dependencies";
|
||||
}
|
||||
return reverse(@result);
|
||||
}
|
||||
|
||||
# Our library dependency data will be added after the '__END__' token, and will
|
||||
# be read through the magic <DATA> filehandle.
|
||||
__END__
|
||||
Loading…
Reference in New Issue