Remove the llvm-config directory. Its now in tools.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27918 91177308-0d34-0410-b5e6-96231b3b80d8

5 files changed, 0 insertions, 632 deletions

diff --git a/utils/llvm-config/.cvsignore b/utils/llvm-config/.cvsignore
deleted file mode 100644
index ea3ccb3212..0000000000
--- a/utils/llvm-config/.cvsignore
+++ /dev/null
@@ -1,5 +0,0 @@
-FinalLibDeps.txt
-libdeps.gif
-llvm-config
-llvm-config.in
-objdeps.gif
diff --git a/utils/llvm-config/LibDeps.txt b/utils/llvm-config/LibDeps.txt
deleted file mode 100644
index 0ca1450779..0000000000
--- a/utils/llvm-config/LibDeps.txt
+++ /dev/null
@@ -1,30 +0,0 @@
-libLLVMAnalysis.a: libLLVMSupport.a libLLVMTarget.a LLVMCore.o
-libLLVMArchive.a: libLLVMSupport.a libLLVMSystem.a LLVMBCReader.o LLVMCore.o
-libLLVMInstrumentation.a: libLLVMScalarOpts.a libLLVMSupport.a libLLVMTransformUtils.a LLVMCore.o
-libLLVMipa.a: libLLVMAnalysis.a libLLVMSupport.a LLVMCore.o
-libLLVMipo.a: libLLVMAnalysis.a libLLVMipa.a libLLVMSupport.a libLLVMTarget.a libLLVMTransformUtils.a LLVMCore.o
-libLLVMLinker.a: libLLVMArchive.a libLLVMSystem.a LLVMBCReader.o LLVMCore.o
-libLLVMScalarOpts.a: libLLVMAnalysis.a libLLVMSupport.a libLLVMTarget.a libLLVMTransformUtils.a LLVMCore.o
-libLLVMSupport.a: libLLVMSystem.a LLVMbzip2.o
-libLLVMSystem.a:
-libLLVMTarget.a: libLLVMSupport.a LLVMCodeGen.o LLVMCore.o LLVMSelectionDAG.o
-libLLVMTransforms.a: libLLVMSupport.a libLLVMTarget.a libLLVMTransformUtils.a LLVMCore.o
-libLLVMTransformUtils.a: libLLVMAnalysis.a libLLVMipa.a libLLVMSupport.a LLVMCore.o
-LLVMAlpha.o: libLLVMScalarOpts.a libLLVMSupport.a libLLVMTarget.a LLVMCodeGen.o LLVMCore.o LLVMSelectionDAG.o
-LLVMAsmParser.o: LLVMCore.o
-LLVMBCReader.o: libLLVMSupport.a libLLVMSystem.a LLVMCore.o
-LLVMBCWriter.o: libLLVMSupport.a LLVMCore.o
-LLVMbzip2.o:
-LLVMCBackend.o: libLLVMAnalysis.a libLLVMipa.a libLLVMScalarOpts.a libLLVMSupport.a libLLVMTarget.a LLVMCodeGen.o LLVMCore.o
-LLVMCodeGen.o: libLLVMAnalysis.a libLLVMSupport.a libLLVMTarget.a LLVMCore.o
-LLVMCore.o: libLLVMSupport.a
-LLVMDataStructure.o: libLLVMAnalysis.a libLLVMSupport.a libLLVMTarget.a LLVMCore.o
-LLVMDebugger.o: libLLVMSupport.a libLLVMSystem.a LLVMBCReader.o LLVMCore.o
-LLVMExecutionEngine.o: libLLVMSupport.a libLLVMSystem.a libLLVMTarget.a LLVMCore.o
-LLVMIA64.o: libLLVMScalarOpts.a libLLVMSupport.a libLLVMTarget.a LLVMCodeGen.o LLVMCore.o LLVMSelectionDAG.o
-LLVMInterpreter.o: libLLVMSupport.a libLLVMSystem.a libLLVMTarget.a LLVMCore.o LLVMExecutionEngine.o
-LLVMJIT.o: libLLVMSupport.a libLLVMSystem.a libLLVMTarget.a LLVMCore.o LLVMExecutionEngine.o
-LLVMPowerPC.o: libLLVMScalarOpts.a libLLVMSupport.a libLLVMTarget.a LLVMCodeGen.o LLVMCore.o LLVMSelectionDAG.o
-LLVMSelectionDAG.o: libLLVMSupport.a libLLVMSystem.a libLLVMTarget.a libLLVMTransformUtils.a LLVMCodeGen.o LLVMCore.o
-LLVMSparc.o: libLLVMScalarOpts.a libLLVMSupport.a libLLVMTarget.a LLVMCodeGen.o LLVMCore.o LLVMSelectionDAG.o
-LLVMX86.o: libLLVMScalarOpts.a libLLVMSupport.a libLLVMTarget.a LLVMCodeGen.o LLVMCore.o LLVMSelectionDAG.o
diff --git a/utils/llvm-config/Makefile b/utils/llvm-config/Makefile
deleted file mode 100644
index 0fdbe829f5..0000000000
--- a/utils/llvm-config/Makefile
+++ /dev/null
@@ -1,61 +0,0 @@
-##===- utils/llvm-config/Makefile --------------------------*- Makefile -*-===##
-#
-#                     The LLVM Compiler Infrastructure
-#
-# This file was developed by Reid Spencer and Eric Kidd and is distributed under
-# the University of Illinois Open Source License. See LICENSE.TXT for details.
-# 
-##===----------------------------------------------------------------------===##
-
-LEVEL = ../..
-
-EXTRA_DIST = LibDeps.txt llvm-config.in.in find-cycles.pl
-
-include $(LEVEL)/Makefile.common
-
-# Combine preprocessor flags (except for -I) and CXX 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 = 
-
-# MANUAL USE ONLY!  GenLibDeps.pl is very non-portable, so LibDeps.txt
-# should only be re-built manually.  No other rule in this file should
-# depend on LibDeps.txt.
-LibDeps.txt: $(LEVEL)/utils/GenLibDeps.pl $(LibDir)
-	$(Echo) "Regenerating LibDeps.txt"
-	$(Verb) $(LLVM_SRC_ROOT)/utils/GenLibDeps.pl -flat $(LibDir) | \
-	  sort > LibDeps.txt
-
-# Find all the cyclic dependencies between various LLVM libraries, so we
-# don't have to process them at runtime.
-FinalLibDeps.txt: find-cycles.pl # LibDeps.txt deliberately omitted.
-	$(Echo) "Finding cyclic dependencies between LLVM libraries."
-	$(Verb) $(PERL) $< < $(PROJ_SRC_DIR)/LibDeps.txt > $@
-
-# Rerun our configure substitutions as needed.
-llvm-config.in: llvm-config.in.in $(ConfigStatusScript)
-	$(Verb) cd $(PROJ_OBJ_ROOT) ; \
-		$(ConfigStatusScript) utils/llvm-config/llvm-config.in
-
-# Build our final script.
-llvm-config: llvm-config.in FinalLibDeps.txt
-	$(Echo) "Building llvm-config script."
-	$(Verb) $(ECHO) 's,@LLVM_CXXFLAGS@,$(SUB_CXXFLAGS),' > temp.sed
-	$(Verb) $(ECHO) 's,@LLVM_LDFLAGS@,$(SUB_LDFLAGS),' >> temp.sed
-	$(Verb) $(ECHO) 's,@CORE_IS_ARCHIVE@,$(CORE_IS_ARCHIVE),' >> temp.sed
-	$(Verb) $(SED) -f temp.sed < $< > $@
-	$(Verb) $(RM) temp.sed
-	$(Verb) cat FinalLibDeps.txt >> $@
-	$(Verb) chmod +x llvm-config
-
-# Hook into the standard Makefile rules.
-all-local:: llvm-config
-clean-local::
-	$(Verb) $(RM) -f FinalLibDeps.txt llvm-config llvm-config.in
-install-local:: all-local
-	$(Echo) Installing llvm-config
-	$(Verb) $(MKDIR) $(PROJ_bindir)
-	$(Verb) $(ScriptInstall) llvm-config $(PROJ_bindir)
diff --git a/utils/llvm-config/find-cycles.pl b/utils/llvm-config/find-cycles.pl
deleted file mode 100755
index a280887217..0000000000
--- a/utils/llvm-config/find-cycles.pl
+++ /dev/null
@@ -1,163 +0,0 @@
-#!/usr/bin/perl
-#
-# Program:  find-cycles.pl
-#
-# Synopsis: Given a list of possibly cyclic dependencies, merge all the
-#           cycles.  This makes it possible to topologically sort the
-#           dependencies between different parts of LLVM.
-#
-# Syntax:   find-cycles.pl < LibDeps.txt > FinalLibDeps.txt
-#
-# Input:    cycmem1: cycmem2 dep1 dep2
-#           cycmem2: cycmem1 dep3 dep4
-#           boring: dep4
-#
-# Output:   cycmem1 cycmem2: dep1 dep2 dep3 dep4
-#           boring: dep4
-#
-# This file was written by Eric Kidd, and is placed into the public domain.
-#
-
-use 5.006;
-use strict;
-use warnings;
-
-my %DEPS;
-my @CYCLES;
-sub find_all_cycles;
-
-# Read our dependency information.
-while (<>) {
-    chomp;
-    my ($module, $dependency_str) = /^([^:]*): ?(.*)$/;
-    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;
-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$/, @modules);
-    if (@archives > 1) {
-        print STDERR "find-cycles.pl: Circular dependency between *.a files:\n";
-        print STDERR "find-cycles.pl:   ", join(' ', @archives), "\n";
-        print STDERR "find-cycles.pl: Some linkers may have problems.\n";
-        push @modules, @archives; # WORKAROUND: Duplicate *.a files. Ick.
-    }
-
-    # Add to our output.  (@modules is already as sorted as we need it to be.)
-    push @output, (join(' ', @modules) . ': ' .
-                   join(' ', sort keys %dependencies) . "\n");
-}
-print sort @output;
-
-
-#==========================================================================
-#  Depedency Cycle Support
-#==========================================================================
-#  For now, we have cycles in our dependency graph.  Ideally, each cycle
-#  would be collapsed down to a single *.a file, saving us all this work.
-#
-#  To understand this code, you'll need a working knowledge of Perl 5,
-#  and possibly some quality time with 'man perlref'.
-
-my %SEEN;
-my %CYCLES;
-sub find_cycles ($@);
-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;
-}
diff --git a/utils/llvm-config/llvm-config.in.in b/utils/llvm-config/llvm-config.in.in
deleted file mode 100644
index 1760b02418..0000000000
--- a/utils/llvm-config/llvm-config.in.in
+++ /dev/null
@@ -1,373 +0,0 @@
-#!@PERL@
-#
-# Program:  llvm-config
-#
-# Synopsis: Prints out compiler options needed to build against an installed
-#           copy of LLVM.
-#
-# Syntax:   llvm-config OPTIONS... [COMPONENTS...]
-#
-# This file was written by Eric Kidd, and is placed into the public domain.
-#
-
-use 5.006;
-use strict;
-use warnings;
-
-#---- begin autoconf values ----
-my $VERSION             = q{@PACKAGE_VERSION@};
-my $PREFIX              = q{@LLVM_PREFIX@};
-my $BINDIR              = q{@LLVM_BINDIR@};
-my $INCLUDEDIR          = q{@LLVM_INCLUDEDIR@};
-my $LIBDIR              = q{@LLVM_LIBDIR@};
-my $ARCH                = lc(q{@ARCH@});
-my $TARGET_HAS_JIT      = q{@TARGET_HAS_JIT@};
-my @TARGETS_BUILT       = map { lc($_) } qw{@TARGETS_TO_BUILD@};
-#---- end autoconf values ----
-
-#---- begin Makefile values ----
-my $CXXFLAGS            = q{@LLVM_CXXFLAGS@};
-my $LDFLAGS             = q{@LLVM_LDFLAGS@};
-my $CORE_IS_ARCHIVE     = q{@CORE_IS_ARCHIVE@};
-#---- end Makefile values ----
-
-sub usage;
-sub fix_library_names (@);
-sub expand_dependecies (@);
-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_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 "--cxxflags") {
-            $has_opt = 1; print "-I$INCLUDEDIR $CXXFLAGS\n";
-        } elsif ($arg eq "--ldflags") {
-            $has_opt = 1; print "-L$LIBDIR $LDFLAGS\n";
-        } elsif ($arg eq "--libs") {
-            $has_opt = 1; $want_libs = 1;
-        } elsif ($arg eq "--libnames") {
-            $has_opt = 1; $want_libnames = 1;
-        } elsif ($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";
-        } else {
-            usage();
-        }
-    } else {
-        push @components, $arg;
-    }
-}
-
-# If no options were specified, fail.
-usage unless $has_opt;
-
-# If no components were specified, default to 'all'.
-if (@components == 0) {
-    push @components, 'all';
-}
-
-# Handle any arguments which require building our dependency graph.
-if ($want_libs || $want_libnames) {
-    my @libs = expand_dependecies(@components);
-    if ($want_libs) {
-        print join(' ', fix_library_names(@libs)), "\n";
-    }
-    if ($want_libnames) {
-        print join(' ',  @libs), "\n";
-    }
-}
-
-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              LLVM version.
-  --prefix               Installation prefix.
-  --bindir               Directory containing LLVM executables.
-  --includedir           Directory containing LLVM headers.
-  --libdir               Directory containing LLVM libraries.
-  --cxxflags             C++ compiler flags for files that include LLVM headers.
-  --ldflags              Linker flags.
-  --libs                 Libraries needed to link against LLVM components.
-  --libnames             Bare library names for in-tree builds.
-  --components           List of all possible components.
-  --targets-built        List of all targets currently built.
-Typical components:
-  all                    All LLVM libraries (default).
-  backend                Either a native backend or the C backend.
-  engine                 Either a native JIT or a bytecode 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;
-}
-
-
-#==========================================================================
-#  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 ($$@);
-sub maybe_fix_core (@);
-
-# 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_dependecies (@) {
-    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, and apply any
-    # platform-specific hackery.
-    my @result;
-    foreach my $set (@sorted_sets) { push @result, @{$set}; }
-    return maybe_fix_core(@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) = /^(^[^:]+): ?(.*)$/;
-        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 virtual entries.
-    $NAME_MAP{'native'}  = have_native_backend() ? [$ARCH] : [];
-    $NAME_MAP{'backend'} = have_native_backend() ? ['native'] : ['cbackend'];
-    $NAME_MAP{'engine'}  = find_best_engine;
-    $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);
-}
-
-# Nasty hack to work around the fact that LLVMCore changes file type on
-# certain platforms.
-sub maybe_fix_core (@) {
-    my @libs = @_;
-    my @result;
-    foreach my $lib (@libs) {
-        if ($lib eq "LLVMCore.o" && $CORE_IS_ARCHIVE) {
-            push @result, "libLLVMCore.a";
-        } else {
-            push @result, $lib;
-        }
-    }
-    return @result;
-}
-
-# Our library dependency data will be added after the '__END__' token, and will
-# be read through the magic <DATA> filehandle.
-__END__