diff options
-rw-r--r-- | CMakeLists.txt | 2 | ||||
-rw-r--r-- | Makefile | 4 | ||||
-rw-r--r-- | Makefile.rules | 6 | ||||
-rw-r--r-- | autoconf/configure.ac | 3 | ||||
-rwxr-xr-x | configure | 2 | ||||
-rw-r--r-- | tools/CMakeLists.txt | 11 | ||||
-rw-r--r-- | tools/Makefile | 2 | ||||
-rw-r--r-- | tools/llvm-config-2/BuildVariables.inc.in | 26 | ||||
-rw-r--r-- | tools/llvm-config-2/CMakeLists.txt | 41 | ||||
-rw-r--r-- | tools/llvm-config-2/Makefile | 57 | ||||
-rw-r--r-- | tools/llvm-config-2/llvm-config.cpp | 335 | ||||
-rw-r--r-- | tools/llvm-config/BuildVariables.inc.in | 26 | ||||
-rw-r--r-- | tools/llvm-config/CMakeLists.txt | 151 | ||||
-rw-r--r-- | tools/llvm-config/Makefile | 92 | ||||
-rw-r--r-- | tools/llvm-config/find-cycles.pl | 170 | ||||
-rw-r--r-- | tools/llvm-config/llvm-config.cpp | 335 | ||||
-rw-r--r-- | tools/llvm-config/llvm-config.in.in | 466 |
17 files changed, 1303 insertions, 426 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index 6dd8169ebc..5d36f5fc10 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -230,7 +230,7 @@ endif() set(LLVMBUILDTOOL "${LLVM_MAIN_SRC_DIR}/utils/llvm-build/llvm-build") set(LLVMCONFIGLIBRARYDEPENDENCIESINC - "${LLVM_BINARY_DIR}/tools/llvm-config/LibraryDependencies.inc") + "${LLVM_BINARY_DIR}/tools/llvm-config-2/LibraryDependencies.inc") set(LLVMBUILDCMAKEFRAG "${LLVM_BINARY_DIR}/LLVMBuild.cmake") message(STATUS "Constructing LLVMBuild project information") @@ -27,11 +27,11 @@ LEVEL := . ifneq ($(findstring llvmCore, $(RC_ProjectName)),llvmCore) # Normal build (not "Apple-style"). ifeq ($(BUILD_DIRS_ONLY),1) - DIRS := lib/Support lib/TableGen utils tools/llvm-config + DIRS := lib/Support lib/TableGen utils tools/llvm-config-2 OPTIONAL_DIRS := tools/clang/utils/TableGen else DIRS := lib/Support lib/TableGen utils lib/VMCore lib tools/llvm-shlib \ - tools/llvm-config tools runtime docs unittests + tools/llvm-config tools/llvm-config-2 tools runtime docs unittests OPTIONAL_DIRS := projects bindings endif diff --git a/Makefile.rules b/Makefile.rules index 670a8bb370..1c5effe65b 100644 --- a/Makefile.rules +++ b/Makefile.rules @@ -79,7 +79,7 @@ LLVMBuildTool := $(PROJ_SRC_ROOT)/utils/llvm-build/llvm-build # The files we are going to generate using llvm-build. LLVMBuildMakeFrag := $(PROJ_OBJ_ROOT)/Makefile.llvmbuild LLVMConfigLibraryDependenciesInc := \ - $(PROJ_OBJ_ROOT)/tools/llvm-config/LibraryDependencies.inc + $(PROJ_OBJ_ROOT)/tools/llvm-config-2/LibraryDependencies.inc # This is for temporary backwards compatibility. ifndef TARGET_NATIVE_ARCH @@ -528,9 +528,9 @@ ifndef LLVM_TBLGEN endif endif ifeq ($(LLVM_CROSS_COMPILING),1) - LLVM_CONFIG := $(BuildLLVMToolDir)/llvm-config$(BUILD_EXEEXT) + LLVM_CONFIG := $(BuildLLVMToolDir)/llvm-config-2$(BUILD_EXEEXT) else - LLVM_CONFIG := $(LLVMToolDir)/llvm-config$(EXEEXT) + LLVM_CONFIG := $(LLVMToolDir)/llvm-config-2$(EXEEXT) endif ifndef LLVMLD LLVMLD := $(LLVMToolDir)/llvm-ld$(EXEEXT) diff --git a/autoconf/configure.ac b/autoconf/configure.ac index 3c3f412283..060ebac8d3 100644 --- a/autoconf/configure.ac +++ b/autoconf/configure.ac @@ -1578,6 +1578,9 @@ if test -f ${srcdir}/tools/clang/README.txt; then AC_CONFIG_FILES([tools/clang/docs/doxygen.cfg]) fi +dnl Do the first stage of configuration for llvm-config.in. +AC_CONFIG_FILES([tools/llvm-config/llvm-config.in]) + dnl OCaml findlib META file AC_CONFIG_FILES([bindings/ocaml/llvm/META.llvm]) @@ -21100,7 +21100,7 @@ if test -f ${srcdir}/tools/clang/README.txt; then fi - +ac_config_files="$ac_config_files tools/llvm-config/llvm-config.in" ac_config_files="$ac_config_files bindings/ocaml/llvm/META.llvm" diff --git a/tools/CMakeLists.txt b/tools/CMakeLists.txt index ec0647124b..edfd3b2b71 100644 --- a/tools/CMakeLists.txt +++ b/tools/CMakeLists.txt @@ -11,9 +11,16 @@ if( EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/polly/CMakeLists.txt ) endif( EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/polly/CMakeLists.txt ) if( NOT WIN32 OR MSYS OR CYGWIN ) - # We currently require 'sed' to build llvm-config, so don't try to build it - # on pure Win32. + # It is useful to build llvm-config before the other tools, so we + # have a fresh LibDeps.txt for regenerating the hard-coded library + # dependencies. llvm-config/CMakeLists.txt takes care of this but we + # must keep llvm-config as the first entry on the list of tools to + # be built. add_subdirectory(llvm-config) + + # We currently require 'sed' to build llvm-config-2, so don't try to build it + # on pure Win32. + add_subdirectory(llvm-config-2) endif() add_subdirectory(opt) diff --git a/tools/Makefile b/tools/Makefile index 1953cb6711..8bbd7c2387 100644 --- a/tools/Makefile +++ b/tools/Makefile @@ -34,7 +34,7 @@ PARALLEL_DIRS := opt llvm-as llvm-dis \ bugpoint llvm-bcanalyzer llvm-stub \ llvm-diff macho-dump llvm-objdump \ llvm-rtdyld llvm-dwarfdump llvm-cov \ - llvm-size + llvm-size llvm-config-2 # Let users override the set of tools to build from the command line. ifdef ONLY_TOOLS diff --git a/tools/llvm-config-2/BuildVariables.inc.in b/tools/llvm-config-2/BuildVariables.inc.in new file mode 100644 index 0000000000..5969772c9d --- /dev/null +++ b/tools/llvm-config-2/BuildVariables.inc.in @@ -0,0 +1,26 @@ +//===-- BuildVariables.inc.in - llvm-config build variables -*- C++ -*-----===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This file is configured by the build system to define the variables +// llvm-config wants to report to the user, but which can only be determined at +// build time. +// +// The non .in variant of this file has been autogenerated by the LLVM build. Do +// not edit! +// +//===----------------------------------------------------------------------===// + +#define LLVM_SRC_ROOT "@LLVM_SRC_ROOT@" +#define LLVM_OBJ_ROOT "@LLVM_OBJ_ROOT@" +#define LLVM_CPPFLAGS "@LLVM_CPPFLAGS@" +#define LLVM_CFLAGS "@LLVM_CFLAGS@" +#define LLVM_LDFLAGS "@LLVM_LDFLAGS@" +#define LLVM_CXXFLAGS "@LLVM_CXXFLAGS@" +#define LLVM_BUILDMODE "@LLVM_BUILDMODE@" +#define LLVM_SYSTEM_LIBS "@LLVM_SYSTEM_LIBS@" diff --git a/tools/llvm-config-2/CMakeLists.txt b/tools/llvm-config-2/CMakeLists.txt new file mode 100644 index 0000000000..3c7169d382 --- /dev/null +++ b/tools/llvm-config-2/CMakeLists.txt @@ -0,0 +1,41 @@ +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) + +# Compute the substitution values for various items. +get_system_libs(LLVM_SYSTEM_LIBS_LIST) +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 sed -f ${SEDSCRIPT_OBJPATH} < ${BUILDVARIABLES_SRCPATH} > ${BUILDVARIABLES_OBJPATH} + VERBATIM + COMMENT "Building BuildVariables.inc include." + ) + +# Add the llvm-config tool. +add_llvm_tool(llvm-config-2 + llvm-config.cpp + ) + +# Add the dependency on the generation step. +add_file_dependencies(${CMAKE_CURRENT_SOURCE_DIR}/llvm-config.cpp ${BUILDVARIABLES_OBJPATH}) diff --git a/tools/llvm-config-2/Makefile b/tools/llvm-config-2/Makefile new file mode 100644 index 0000000000..08e084429d --- /dev/null +++ b/tools/llvm-config-2/Makefile @@ -0,0 +1,57 @@ +##===- tools/llvm-config/Makefile---------------------------*- Makefile -*-===## +# +# The LLVM Compiler Infrastructure +# +# This file is distributed under the University of Illinois Open Source +# License. See LICENSE.TXT for details. +# +##===----------------------------------------------------------------------===## + +LEVEL := ../.. +TOOLNAME := llvm-config-2 +USEDLIBS := LLVMSupport.a + +# 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 + +# Combine preprocessor flags (except for -I) and CXX flags. +SUB_CPPFLAGS := ${CPP.BaseFlags} +SUB_CFLAGS := ${CPP.BaseFlags} ${C.Flags} +SUB_CXXFLAGS := ${CPP.BaseFlags} ${CXX.Flags} + +# This is blank for now. We need to be careful about adding stuff here: +# LDFLAGS tend not to be portable, and we don't currently require the +# user to use libtool when linking against LLVM. +SUB_LDFLAGS := + +$(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))/' \ + >> temp.sed + $(Verb) $(ECHO) 's/@LLVM_LDFLAGS@/$(subst /,\/,$(SUB_LDFLAGS))/' \ + >> temp.sed + $(Verb) $(ECHO) 's/@LLVM_BUILDMODE@/$(subst /,\/,$(BuildMode))/' \ + >> temp.sed + $(Verb) $(ECHO) 's/@LLVM_SYSTEM_LIBS@/$(subst /,\/,$(LIBS))/' \ + >> temp.sed + $(Verb) $(SED) -f temp.sed < $< > $@ + $(Verb) $(RM) temp.sed diff --git a/tools/llvm-config-2/llvm-config.cpp b/tools/llvm-config-2/llvm-config.cpp new file mode 100644 index 0000000000..fddd481230 --- /dev/null +++ b/tools/llvm-config-2/llvm-config.cpp @@ -0,0 +1,335 @@ +//===-- llvm-config.cpp - LLVM project configuration utility --------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This tool encapsulates information about an LLVM project configuration for +// use by other project's build environments (to determine installed path, +// available features, required libraries, etc.). +// +// Note that although this tool *may* be used by some parts of LLVM's build +// itself (i.e., the Makefiles use it to compute required libraries when linking +// tools), this tool is primarily designed to support external projects. +// +//===----------------------------------------------------------------------===// + +#include "llvm/ADT/STLExtras.h" +#include "llvm/ADT/StringMap.h" +#include "llvm/ADT/StringRef.h" +#include "llvm/ADT/Twine.h" +#include "llvm/Config/config.h" +#include "llvm/Config/llvm-config.h" +#include "llvm/Support/FileSystem.h" +#include "llvm/Support/Path.h" +#include "llvm/Support/TargetRegistry.h" +#include "llvm/Support/raw_ostream.h" +#include <cstdlib> +#include <set> +#include <vector> + +using namespace llvm; + +// Include the build time variables we can report to the user. This is generated +// at build time from the BuildVariables.inc.in file by the build system. +#include "BuildVariables.inc" + +// Include the component table. This creates an array of struct +// AvailableComponent entries, which record the component name, library name, +// and required components for all of the available libraries. +// +// Not all components define a library, we also use "library groups" as a way to +// create entries for pseudo groups like x86 or all-targets. +#include "LibraryDependencies.inc" + +/// \brief Traverse a single component adding to the topological ordering in +/// \arg RequiredLibs. +/// +/// \param Name - The component to traverse. +/// \param ComponentMap - A prebuilt map of component names to descriptors. +/// \param VisitedComponents [in] [out] - The set of already visited components. +/// \param RequiredLibs [out] - The ordered list of required libraries. +static void VisitComponent(StringRef Name, + const StringMap<AvailableComponent*> &ComponentMap, + std::set<AvailableComponent*> &VisitedComponents, + std::vector<StringRef> &RequiredLibs) { + // Lookup the component. + AvailableComponent *AC = ComponentMap.lookup(Name); + assert(AC && "Invalid component name!"); + + // Add to the visited table. + if (!VisitedComponents.insert(AC).second) { + // We are done if the component has already been visited. + return; + } + + // Otherwise, visit all the dependencies. + for (unsigned i = 0; AC->RequiredLibraries[i]; ++i) { + VisitComponent(AC->RequiredLibraries[i], ComponentMap, VisitedComponents, + RequiredLibs); + } + + // Add to the required library list. + if (AC->Library) + RequiredLibs.push_back(AC->Library); +} + +/// \brief Compute the list of required libraries for a given list of +/// components, in an order suitable for passing to a linker (that is, libraries +/// appear prior to their dependencies). +/// +/// \param Components - The names of the components to find libraries for. +/// \param RequiredLibs [out] - On return, the ordered list of libraries that +/// are required to link the given components. +void ComputeLibsForComponents(const std::vector<StringRef> &Components, + std::vector<StringRef> &RequiredLibs) { + std::set<AvailableComponent*> VisitedComponents; + + // Build a map of component names to information. + StringMap<AvailableComponent*> ComponentMap; + for (unsigned i = 0; i != array_lengthof(AvailableComponents); ++i) { + AvailableComponent *AC = &AvailableComponents[i]; + ComponentMap[AC->Name] = AC; + } + + // Visit the components. + for (unsigned i = 0, e = Components.size(); i != e; ++i) { + // Users are allowed to provide mixed case component names. + std::string ComponentLower = Components[i].lower(); + + // Validate that the user supplied a valid component name. + if (!ComponentMap.count(ComponentLower)) { + llvm::errs() << "llvm-config: unknown component name: " << Components[i] + << "\n"; + exit(1); + } + + VisitComponent(ComponentLower, ComponentMap, VisitedComponents, + RequiredLibs); + } + + // The list is now ordered with leafs first, we want the libraries to printed + // in the reverse order of dependency. + std::reverse(RequiredLibs.begin(), RequiredLibs.end()); +} + +/* *** */ + +void usage() { + errs() << "\ +usage: llvm-config <OPTION>... [<COMPONENT>...]\n\ +\n\ +Get various configuration information needed to compile programs which use\n\ +LLVM. Typically called from 'configure' scripts. Examples:\n\ + llvm-config --cxxflags\n\ + llvm-config --ldflags\n\ + llvm-config --libs engine bcreader scalaropts\n\ +\n\ +Options:\n\ + --version Print LLVM version.\n\ + --prefix Print the installation prefix.\n\ + --src-root Print the source root LLVM was built from.\n\ + --obj-root Print the object root used to build LLVM.\n\ + --bindir Directory containing LLVM executables.\n\ + --includedir Directory containing LLVM headers.\n\ + --libdir Directory containing LLVM libraries.\n\ + --cppflags C preprocessor flags for files that include LLVM headers.\n\ + --cflags C compiler flags for files that include LLVM headers.\n\ + --cxxflags C++ compiler flags for files that include LLVM headers.\n\ + --ldflags Print Linker flags.\n\ + --libs Libraries needed to link against LLVM components.\n\ + --libnames Bare library names for in-tree builds.\n\ + --libfiles Fully qualified library filenames for makefile depends.\n\ + --components List of all possible components.\n\ + --targets-built List of all targets currently built.\n\ + --host-target Target triple used to configure LLVM.\n\ + --build-mode Print build mode of LLVM tree (e.g. Debug or Release).\n\ +Typical components:\n\ + all All LLVM libraries (default).\n\ + backend Either a native backend or the C backend.\n\ + engine Either a native JIT or a bitcode interpreter.\n"; + exit(1); +} + +/// \brief Compute the path to the main executable. +llvm::sys::Path GetExecutablePath(const char *Argv0) { + // This just needs to be some symbol in the binary; C++ doesn't + // allow taking the address of ::main however. + void *P = (void*) (intptr_t) GetExecutablePath; + return llvm::sys::Path::GetMainExecutable(Argv0, P); +} + +int main(int argc, char **argv) { + std::vector<StringRef> Components; + bool PrintLibs = false, PrintLibNames = false, PrintLibFiles = false; + bool HasAnyOption = false; + + // llvm-config is designed to support being run both from a development tree + // and from an installed path. We try and auto-detect which case we are in so + // that we can report the correct information when run from a development + // tree. + bool IsInDevelopmentTree, DevelopmentTreeLayoutIsCMakeStyle; + llvm::SmallString<256> CurrentPath(GetExecutablePath(argv[0]).str()); + std::string CurrentExecPrefix; + std::string ActiveObjRoot; + + // Create an absolute path, and pop up one directory (we expect to be inside a + // bin dir). + sys::fs::make_absolute(CurrentPath); + CurrentExecPrefix = sys::path::parent_path( + sys::path::parent_path(CurrentPath)).str(); + + // Check to see if we are inside a development tree by comparing to possible + // locations (prefix style or CMake style). This could be wrong in the face of + // symbolic links, but is good enough. + if (CurrentExecPrefix == std::string(LLVM_OBJ_ROOT) + "/" + LLVM_BUILDMODE) { + IsInDevelopmentTree = true; + DevelopmentTreeLayoutIsCMakeStyle = false; + + // If we are in a development tree, then check if we are in a BuildTools + // directory. This indicates we are built for the build triple, but we + // always want to provide information for the host triple. + if (sys::path::filename(LLVM_OBJ_ROOT) == "BuildTools") { + ActiveObjRoot = sys::path::parent_path(LLVM_OBJ_ROOT); + } else { + ActiveObjRoot = LLVM_OBJ_ROOT; + } + } else if (CurrentExecPrefix == std::string(LLVM_OBJ_ROOT) + "/bin") { + IsInDevelopmentTree = true; + DevelopmentTreeLayoutIsCMakeStyle = true; + ActiveObjRoot = LLVM_OBJ_ROOT; + } else { + IsInDevelopmentTree = false; + } + + // Compute various directory locations based on the derived location + // information. + std::string ActivePrefix, ActiveBinDir, ActiveIncludeDir, ActiveLibDir; + std::string ActiveIncludeOption; + if (IsInDevelopmentTree) { + ActivePrefix = CurrentExecPrefix; + + // CMake organizes the products differently than a normal prefix style + // layout. + if (DevelopmentTreeLayoutIsCMakeStyle) { + ActiveIncludeDir = ActiveObjRoot + "/include"; + ActiveBinDir = ActiveObjRoot + "/bin/" + LLVM_BUILDMODE; + ActiveLibDir = ActiveObjRoot + "/lib/" + LLVM_BUILDMODE; + } else { + ActiveIncludeDir = ActiveObjRoot + "/include"; + ActiveBinDir = ActiveObjRoot + "/" + LLVM_BUILDMODE + "/bin"; + ActiveLibDir = ActiveObjRoot + "/" + LLVM_BUILDMODE + "/lib"; + } + + // We need to include files from both the source and object trees. + ActiveIncludeOption = ("-I" + ActiveIncludeDir + " " + + "-I" + ActiveObjRoot + "/include"); + } else { + ActivePrefix = CurrentExecPrefix; + ActiveIncludeDir = ActivePrefix + "/include"; + ActiveBinDir = ActivePrefix + "/bin"; + ActiveLibDir = ActivePrefix + "/lib"; + ActiveIncludeOption = "-I" + ActiveIncludeDir; + } + + raw_ostream &OS = outs(); + for (int i = 1; i != argc; ++i) { + StringRef Arg = argv[i]; + + if (Arg.startswith("-")) { + HasAnyOption = true; + if (Arg == "--version") { + OS << PACKAGE_VERSION << '\n'; + } else if (Arg == "--prefix") { + OS << ActivePrefix << '\n'; + } else if (Arg == "--bindir") { + OS << ActiveBinDir << '\n'; + } else if (Arg == "--includedir") { + OS << ActiveIncludeDir << '\n'; + } else if (Arg == "--libdir") { + OS << ActiveLibDir << '\n'; + } else if (Arg == "--cppflags") { + OS << ActiveIncludeOption << ' ' << LLVM_CPPFLAGS << '\n'; + } else if (Arg == "--cflags") { + OS << ActiveIncludeOption << ' ' << LLVM_CFLAGS << '\n'; + } else if (Arg == "--cxxflags") { + OS << ActiveIncludeOption << ' ' << LLVM_CXXFLAGS << '\n'; + } else if (Arg == "--ldflags") { + OS << "-L" << ActiveLibDir << ' ' << LLVM_LDFLAGS + << ' ' << LLVM_SYSTEM_LIBS << '\n'; + } else if (Arg == "--libs") { + PrintLibs = true; + } else if (Arg == "--libnames") { + PrintLibNames = true; + } else if (Arg == "--libfiles") { + PrintLibFiles = true; + } else if (Arg == "--components") { + for (unsigned j = 0; j != array_lengthof(AvailableComponents); ++j) { + OS << ' '; + OS << AvailableComponents[j].Name; + } + OS << '\n'; + } else if (Arg == "--targets-built") { + bool First = true; + for (TargetRegistry::iterator I = TargetRegistry::begin(), + E = TargetRegistry::end(); I != E; First = false, ++I) { + if (!First) + OS << ' '; + OS << I->getName(); + } + OS << '\n'; + } else if (Arg == "--host-target") { + OS << LLVM_DEFAULT_TARGET_TRIPLE << '\n'; + } else if (Arg == "--build-mode") { + OS << LLVM_BUILDMODE << '\n'; + } else if (Arg == "--obj-root") { + OS << LLVM_OBJ_ROOT << '\n'; + } else if (Arg == "--src-root") { + OS << LLVM_SRC_ROOT << '\n'; + } else { + usage(); + } + } else { + Components.push_back(Arg); + } + } + + if (!HasAnyOption) + usage(); + + if (PrintLibs || PrintLibNames || PrintLibFiles) { + // Construct the list of all the required libraries. + std::vector<StringRef> RequiredLibs; + ComputeLibsForComponents(Components, RequiredLibs); + + for (unsigned i = 0, e = RequiredLibs.size(); i != e; ++i) { + StringRef Lib = RequiredLibs[i]; + if (i) + OS << ' '; + + if (PrintLibNames) { + OS << Lib; + } else if (PrintLibFiles) { + OS << ActiveLibDir << '/' << Lib; + } else if (PrintLibs) { + // If this is a typical library name, include it using -l. + if (Lib.startswith("lib") && Lib.endswith(".a")) { + OS << "-l" << Lib.slice(3, Lib.size()-2); + continue; + } + + // Otherwise, print the full path. + OS << ActiveLibDir << '/' << Lib; + } + } + OS << '\n'; + } else if (!Components.empty()) { + errs() << "llvm-config: error: components given, but unused\n\n"; + usage(); + } + + return 0; +} diff --git a/tools/llvm-config/BuildVariables.inc.in b/tools/llvm-config/BuildVariables.inc.in index 5969772c9d..e69de29bb2 100644 --- a/tools/llvm-config/BuildVariables.inc.in +++ b/tools/llvm-config/BuildVariables.inc.in @@ -1,26 +0,0 @@ -//===-- BuildVariables.inc.in - llvm-config build variables -*- C++ -*-----===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file is configured by the build system to define the variables -// llvm-config wants to report to the user, but which can only be determined at -// build time. -// -// The non .in variant of this file has been autogenerated by the LLVM build. Do -// not edit! -// -//===----------------------------------------------------------------------===// - -#define LLVM_SRC_ROOT "@LLVM_SRC_ROOT@" -#define LLVM_OBJ_ROOT "@LLVM_OBJ_ROOT@" -#define LLVM_CPPFLAGS "@LLVM_CPPFLAGS@" -#define LLVM_CFLAGS "@LLVM_CFLAGS@" -#define LLVM_LDFLAGS "@LLVM_LDFLAGS@" -#define LLVM_CXXFLAGS "@LLVM_CXXFLAGS@" -#define LLVM_BUILDMODE "@LLVM_BUILDMODE@" -#define LLVM_SYSTEM_LIBS "@LLVM_SYSTEM_LIBS@" diff --git a/tools/llvm-config/CMakeLists.txt b/tools/llvm-config/CMakeLists.txt index ed26ba9555..53f00846b7 100644 --- a/tools/llvm-config/CMakeLists.txt +++ b/tools/llvm-config/CMakeLists.txt @@ -1,41 +1,138 @@ -set(LLVM_LINK_COMPONENTS support) +include(TestBigEndian) -# 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) +include(FindPerl) +if( NOT PERL_FOUND ) + message(FATAL_ERROR "Perl required but not found!") +endif( NOT PERL_FOUND ) + +set(PERL ${PERL_EXECUTABLE}) +set(VERSION PACKAGE_VERSION) +set(PREFIX ${CMAKE_INSTALL_PREFIX}) +set(abs_top_srcdir ${LLVM_MAIN_SRC_DIR}) +set(abs_top_builddir ${LLVM_BINARY_DIR}) +execute_process(COMMAND date + OUTPUT_VARIABLE LLVM_CONFIGTIME + OUTPUT_STRIP_TRAILING_WHITESPACE) +# LLVM_ON_UNIX and LLVM_ON_WIN32 already set. +# those are set to blank by `autoconf' on MinGW, so it seems they are not required: +#set(LLVMGCCDIR "") +#set(LLVMGCC "") +#set(LLVMGXX "") +test_big_endian(IS_BIG_ENDIAN) +if( IS_BIG_ENDIAN ) + set(ENDIAN "big") +else( IS_BIG_ENDIAN ) + set(ENDIAN "little") +endif( IS_BIG_ENDIAN ) +set(SHLIBEXT ${LTDL_SHLIB_EXT}) +#EXEEXT already set. +set(OS "${CMAKE_SYSTEM}") +set(target "${TARGET_TRIPLE}") +set(ARCH "${LLVM_NATIVE_ARCH}") -# Compute the substitution values for various items. get_system_libs(LLVM_SYSTEM_LIBS_LIST) foreach(l ${LLVM_SYSTEM_LIBS_LIST}) - set(SYSTEM_LIBS ${SYSTEM_LIBS} "-l${l}") + set(LLVM_SYSTEM_LIBS ${LLVM_SYSTEM_LIBS} "-l${l}") endforeach() + +foreach(c ${LLVM_TARGETS_TO_BUILD}) + set(TARGETS_BUILT "${TARGETS_BUILT} ${c}") +endforeach(c) +set(TARGETS_TO_BUILD ${TARGETS_BUILT}) +set(TARGET_HAS_JIT "1") # TODO + +# Avoids replacement at config-time: +set(LLVM_CPPFLAGS "@LLVM_CPPFLAGS@") +set(LLVM_CFLAGS "@LLVM_CFLAGS@") +set(LLVM_CXXFLAGS "@LLVM_CXXFLAGS@") +set(LLVM_LDFLAGS "@LLVM_LDFLAGS@") +set(LIBS "@LIBS@") +set(LLVM_BUILDMODE "@LLVM_BUILDMODE@") +set(LLVM_OBJ_SUFFIX "@LLVM_OBJ_SUFFIX@") + +configure_file( + ${CMAKE_CURRENT_SOURCE_DIR}/llvm-config.in.in + ${CMAKE_CURRENT_BINARY_DIR}/llvm-config.in + @ONLY +) + +set(LIBDEPS LibDeps.txt) +set(LIBDEPS_TMP LibDeps.txt.tmp) +set(FINAL_LIBDEPS FinalLibDeps.txt) +set(LLVM_CONFIG ${LLVM_TOOLS_BINARY_DIR}/llvm-config) +set(LLVM_CONFIG_IN ${CMAKE_CURRENT_BINARY_DIR}/llvm-config.in) + +if( CMAKE_CROSSCOMPILING ) + set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM ONLY) +endif() + +find_program(NM_PATH nm PATH_SUFFIXES /bin) + +if( NOT NM_PATH ) + message(FATAL_ERROR "`nm' not found") +endif() + +get_property(llvm_libs GLOBAL PROPERTY LLVM_LIBS) + +add_custom_command(OUTPUT ${LIBDEPS_TMP} + COMMAND ${PERL_EXECUTABLE} ${LLVM_MAIN_SRC_DIR}/utils/GenLibDeps.pl -flat ${CMAKE_ARCHIVE_OUTPUT_DIRECTORY}/${CMAKE_CFG_INTDIR} ${NM_PATH} > ${LIBDEPS_TMP} + DEPENDS ${llvm_libs} + COMMENT "Regenerating ${LIBDEPS_TMP}") + +add_custom_command(OUTPUT ${LIBDEPS} + COMMAND ${CMAKE_COMMAND} -E copy_if_different ${LIBDEPS_TMP} ${LIBDEPS} + DEPENDS ${LIBDEPS_TMP} + COMMENT "Updating ${LIBDEPS} if necessary...") + +# This must stop the build if find-cycles.pl returns error: +add_custom_command(OUTPUT ${FINAL_LIBDEPS} + COMMAND ${CMAKE_COMMAND} -E remove -f ${FINAL_LIBDEPS} ${FINAL_LIBDEPS}.tmp + COMMAND ${PERL_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/find-cycles.pl < ${LIBDEPS} > ${FINAL_LIBDEPS}.tmp + COMMAND ${CMAKE_COMMAND} -E copy ${FINAL_LIBDEPS}.tmp ${FINAL_LIBDEPS} + DEPENDS ${LIBDEPS} + COMMENT "Checking for cyclic dependencies between LLVM libraries.") + set(C_FLGS "${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}! >> ${SEDSCRIPT_OBJPATH} +# We don't want certain flags on the output of +# llvm-config --cflags --cxxflags +macro(remove_option_from_llvm_config option) + llvm_replace_compiler_option(C_FLGS "${option}" "") + llvm_replace_compiler_option(CXX_FLGS "${option}" "") + llvm_replace_compiler_option(CPP_FLGS "${option}" "") +endmacro(remove_option_from_llvm_config) +remove_option_from_llvm_config("-pedantic") +remove_option_from_llvm_config("-Wall") +remove_option_from_llvm_config("-W") + +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 # 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 sed -f ${SEDSCRIPT_OBJPATH} < ${BUILDVARIABLES_SRCPATH} > ${BUILDVARIABLES_OBJPATH} + COMMAND echo s!@LLVM_LDFLAGS@!${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 + COMMAND echo s!@LLVM_OBJ_SUFFIX@!! >> temp.sed + COMMAND sed -f temp.sed < ${LLVM_CONFIG_IN} > ${LLVM_CONFIG} + COMMAND ${CMAKE_COMMAND} -E remove -f temp.sed + COMMAND cat ${FINAL_LIBDEPS} >> ${LLVM_CONFIG} + COMMAND chmod +x ${LLVM_CONFIG} VERBATIM - COMMENT "Building BuildVariables.inc include." + DEPENDS ${FINAL_LIBDEPS} ${LLVM_CONFIG_IN} + COMMENT "Building llvm-config script." ) -# Add the llvm-config tool. -add_llvm_tool(llvm-config - llvm-config.cpp - ) +add_custom_target(llvm-config.target ALL + DEPENDS ${LLVM_CONFIG}) + +# Ensure we build llvm-config after we build all of the libraries so that we +# have their full dependencies. +add_dependencies(llvm-config.target ${llvm_libs}) -# Add the dependency on the generation step. -add_file_dependencies(${CMAKE_CURRENT_SOURCE_DIR}/llvm-config.cpp ${BUILDVARIABLES_OBJPATH}) +install(FILES ${LLVM_CONFIG} + PERMISSIONS OWNER_READ OWNER_WRITE OWNER_EXECUTE GROUP_READ GROUP_EXECUTE + WORLD_READ WORLD_EXECUTE + DESTINATION bin) diff --git a/tools/llvm-config/Makefile b/tools/llvm-config/Makefile index a7a2a63f99..184919ea97 100644 --- a/tools/llvm-config/Makefile +++ b/tools/llvm-config/Makefile @@ -1,5 +1,5 @@ -##===- tools/llvm- |