mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-08-18 12:29:21 +00:00
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
This commit is contained in:
parent
ca432acc52
commit
ca40bb95b1
@ -1,5 +0,0 @@
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FinalLibDeps.txt
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libdeps.gif
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llvm-config
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llvm-config.in
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objdeps.gif
|
@ -1,30 +0,0 @@
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libLLVMAnalysis.a: libLLVMSupport.a libLLVMTarget.a LLVMCore.o
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libLLVMArchive.a: libLLVMSupport.a libLLVMSystem.a LLVMBCReader.o LLVMCore.o
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libLLVMInstrumentation.a: libLLVMScalarOpts.a libLLVMSupport.a libLLVMTransformUtils.a LLVMCore.o
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libLLVMipa.a: libLLVMAnalysis.a libLLVMSupport.a LLVMCore.o
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libLLVMipo.a: libLLVMAnalysis.a libLLVMipa.a libLLVMSupport.a libLLVMTarget.a libLLVMTransformUtils.a LLVMCore.o
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libLLVMLinker.a: libLLVMArchive.a libLLVMSystem.a LLVMBCReader.o LLVMCore.o
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libLLVMScalarOpts.a: libLLVMAnalysis.a libLLVMSupport.a libLLVMTarget.a libLLVMTransformUtils.a LLVMCore.o
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libLLVMSupport.a: libLLVMSystem.a LLVMbzip2.o
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libLLVMSystem.a:
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libLLVMTarget.a: libLLVMSupport.a LLVMCodeGen.o LLVMCore.o LLVMSelectionDAG.o
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libLLVMTransforms.a: libLLVMSupport.a libLLVMTarget.a libLLVMTransformUtils.a LLVMCore.o
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libLLVMTransformUtils.a: libLLVMAnalysis.a libLLVMipa.a libLLVMSupport.a LLVMCore.o
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LLVMAlpha.o: libLLVMScalarOpts.a libLLVMSupport.a libLLVMTarget.a LLVMCodeGen.o LLVMCore.o LLVMSelectionDAG.o
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LLVMAsmParser.o: LLVMCore.o
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LLVMBCReader.o: libLLVMSupport.a libLLVMSystem.a LLVMCore.o
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LLVMBCWriter.o: libLLVMSupport.a LLVMCore.o
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LLVMbzip2.o:
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LLVMCBackend.o: libLLVMAnalysis.a libLLVMipa.a libLLVMScalarOpts.a libLLVMSupport.a libLLVMTarget.a LLVMCodeGen.o LLVMCore.o
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LLVMCodeGen.o: libLLVMAnalysis.a libLLVMSupport.a libLLVMTarget.a LLVMCore.o
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LLVMCore.o: libLLVMSupport.a
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LLVMDataStructure.o: libLLVMAnalysis.a libLLVMSupport.a libLLVMTarget.a LLVMCore.o
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LLVMDebugger.o: libLLVMSupport.a libLLVMSystem.a LLVMBCReader.o LLVMCore.o
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LLVMExecutionEngine.o: libLLVMSupport.a libLLVMSystem.a libLLVMTarget.a LLVMCore.o
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LLVMIA64.o: libLLVMScalarOpts.a libLLVMSupport.a libLLVMTarget.a LLVMCodeGen.o LLVMCore.o LLVMSelectionDAG.o
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LLVMInterpreter.o: libLLVMSupport.a libLLVMSystem.a libLLVMTarget.a LLVMCore.o LLVMExecutionEngine.o
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LLVMJIT.o: libLLVMSupport.a libLLVMSystem.a libLLVMTarget.a LLVMCore.o LLVMExecutionEngine.o
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LLVMPowerPC.o: libLLVMScalarOpts.a libLLVMSupport.a libLLVMTarget.a LLVMCodeGen.o LLVMCore.o LLVMSelectionDAG.o
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LLVMSelectionDAG.o: libLLVMSupport.a libLLVMSystem.a libLLVMTarget.a libLLVMTransformUtils.a LLVMCodeGen.o LLVMCore.o
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LLVMSparc.o: libLLVMScalarOpts.a libLLVMSupport.a libLLVMTarget.a LLVMCodeGen.o LLVMCore.o LLVMSelectionDAG.o
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LLVMX86.o: libLLVMScalarOpts.a libLLVMSupport.a libLLVMTarget.a LLVMCodeGen.o LLVMCore.o LLVMSelectionDAG.o
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@ -1,61 +0,0 @@
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##===- utils/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 was developed by Reid Spencer and Eric Kidd and is distributed under
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# the University of Illinois Open Source License. See LICENSE.TXT for details.
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#
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##===----------------------------------------------------------------------===##
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LEVEL = ../..
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EXTRA_DIST = LibDeps.txt llvm-config.in.in find-cycles.pl
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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_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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# MANUAL USE ONLY! GenLibDeps.pl is very non-portable, so LibDeps.txt
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# should only be re-built manually. No other rule in this file should
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# depend on LibDeps.txt.
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LibDeps.txt: $(LEVEL)/utils/GenLibDeps.pl $(LibDir)
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$(Echo) "Regenerating LibDeps.txt"
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$(Verb) $(LLVM_SRC_ROOT)/utils/GenLibDeps.pl -flat $(LibDir) | \
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sort > LibDeps.txt
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# Find all the cyclic dependencies between various LLVM libraries, so we
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# don't have to process them at runtime.
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FinalLibDeps.txt: find-cycles.pl # LibDeps.txt deliberately omitted.
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$(Echo) "Finding cyclic dependencies between LLVM libraries."
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$(Verb) $(PERL) $< < $(PROJ_SRC_DIR)/LibDeps.txt > $@
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# Rerun our configure substitutions as needed.
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llvm-config.in: llvm-config.in.in $(ConfigStatusScript)
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$(Verb) cd $(PROJ_OBJ_ROOT) ; \
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$(ConfigStatusScript) utils/llvm-config/llvm-config.in
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# Build our final script.
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llvm-config: llvm-config.in FinalLibDeps.txt
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$(Echo) "Building llvm-config script."
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$(Verb) $(ECHO) 's,@LLVM_CXXFLAGS@,$(SUB_CXXFLAGS),' > temp.sed
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$(Verb) $(ECHO) 's,@LLVM_LDFLAGS@,$(SUB_LDFLAGS),' >> temp.sed
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$(Verb) $(ECHO) 's,@CORE_IS_ARCHIVE@,$(CORE_IS_ARCHIVE),' >> temp.sed
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$(Verb) $(SED) -f temp.sed < $< > $@
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$(Verb) $(RM) temp.sed
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$(Verb) cat FinalLibDeps.txt >> $@
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$(Verb) chmod +x llvm-config
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# Hook into the standard Makefile rules.
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all-local:: llvm-config
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clean-local::
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$(Verb) $(RM) -f FinalLibDeps.txt llvm-config llvm-config.in
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install-local:: all-local
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$(Echo) Installing llvm-config
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$(Verb) $(MKDIR) $(PROJ_bindir)
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$(Verb) $(ScriptInstall) llvm-config $(PROJ_bindir)
|
@ -1,163 +0,0 @@
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#!/usr/bin/perl
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#
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# Program: find-cycles.pl
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#
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# Synopsis: Given a list of possibly cyclic dependencies, merge all the
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# cycles. This makes it possible to topologically sort the
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# dependencies between different parts of LLVM.
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#
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# Syntax: find-cycles.pl < LibDeps.txt > FinalLibDeps.txt
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#
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# Input: cycmem1: cycmem2 dep1 dep2
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# cycmem2: cycmem1 dep3 dep4
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# boring: dep4
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#
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# Output: cycmem1 cycmem2: dep1 dep2 dep3 dep4
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# boring: dep4
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#
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# This file was written by Eric Kidd, and is placed into the public domain.
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#
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use 5.006;
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use strict;
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use warnings;
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my %DEPS;
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my @CYCLES;
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sub find_all_cycles;
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# Read our dependency information.
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while (<>) {
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chomp;
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my ($module, $dependency_str) = /^([^:]*): ?(.*)$/;
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die "Malformed data: $_" unless defined $dependency_str;
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my @dependencies = split(/ /, $dependency_str);
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$DEPS{$module} = \@dependencies;
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}
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# Partition our raw dependencies into sets of cyclically-connected nodes.
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find_all_cycles();
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# Print out the finished cycles, with their dependencies.
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my @output;
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foreach my $cycle (@CYCLES) {
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my @modules = sort keys %{$cycle};
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# Merge the dependencies of all modules in this cycle.
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my %dependencies;
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foreach my $module (@modules) {
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@dependencies{@{$DEPS{$module}}} = 1;
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}
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# Prune the known cyclic dependencies.
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foreach my $module (@modules) {
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delete $dependencies{$module};
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}
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# Warn about possible linker problems.
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my @archives = grep(/\.a$/, @modules);
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if (@archives > 1) {
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print STDERR "find-cycles.pl: Circular dependency between *.a files:\n";
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print STDERR "find-cycles.pl: ", join(' ', @archives), "\n";
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print STDERR "find-cycles.pl: Some linkers may have problems.\n";
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push @modules, @archives; # WORKAROUND: Duplicate *.a files. Ick.
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}
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# Add to our output. (@modules is already as sorted as we need it to be.)
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push @output, (join(' ', @modules) . ': ' .
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join(' ', sort keys %dependencies) . "\n");
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}
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print sort @output;
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#==========================================================================
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# Depedency Cycle Support
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#==========================================================================
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# For now, we have cycles in our dependency graph. Ideally, each cycle
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# would be collapsed down to a single *.a file, saving us all this work.
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#
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# To understand this code, you'll need a working knowledge of Perl 5,
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# and possibly some quality time with 'man perlref'.
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my %SEEN;
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my %CYCLES;
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sub find_cycles ($@);
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sub found_cycles ($@);
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sub find_all_cycles {
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# Find all multi-item cycles.
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my @modules = sort keys %DEPS;
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foreach my $module (@modules) { find_cycles($module); }
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# Build fake one-item "cycles" for the remaining modules, so we can
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# treat them uniformly.
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foreach my $module (@modules) {
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unless (defined $CYCLES{$module}) {
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my %cycle = ($module, 1);
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$CYCLES{$module} = \%cycle;
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}
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}
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# Find all our unique cycles. We have to do this the hard way because
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# we apparently can't store hash references as hash keys without making
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# 'strict refs' sad.
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my %seen;
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foreach my $cycle (values %CYCLES) {
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unless ($seen{$cycle}) {
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||||
$seen{$cycle} = 1;
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push @CYCLES, $cycle;
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||||
}
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||||
}
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||||
}
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||||
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||||
# Walk through our graph depth-first (keeping a trail in @path), and report
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# any cycles we find.
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sub find_cycles ($@) {
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my ($module, @path) = @_;
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if (str_in_list($module, @path)) {
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found_cycle($module, @path);
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} else {
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return if defined $SEEN{$module};
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$SEEN{$module} = 1;
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||||
foreach my $dep (@{$DEPS{$module}}) {
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find_cycles($dep, @path, $module);
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}
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}
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}
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# Give a cycle, attempt to merge it with pre-existing cycle data.
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sub found_cycle ($@) {
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my ($module, @path) = @_;
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# Pop any modules which aren't part of our cycle.
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while ($path[0] ne $module) { shift @path; }
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#print join("->", @path, $module) . "\n";
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||||
# Collect the modules in our cycle into a hash.
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my %cycle;
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foreach my $item (@path) {
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||||
$cycle{$item} = 1;
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||||
if (defined $CYCLES{$item}) {
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||||
# Looks like we intersect with an existing cycle, so merge
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||||
# all those in, too.
|
||||
foreach my $old_item (keys %{$CYCLES{$item}}) {
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||||
$cycle{$old_item} = 1;
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||||
}
|
||||
}
|
||||
}
|
||||
|
||||
# Update our global cycle table.
|
||||
my $cycle_ref = \%cycle;
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||||
foreach my $item (keys %cycle) {
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||||
$CYCLES{$item} = $cycle_ref;
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||||
}
|
||||
#print join(":", sort keys %cycle) . "\n";
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||||
}
|
||||
|
||||
sub str_in_list ($@) {
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||||
my ($str, @list) = @_;
|
||||
foreach my $item (@list) {
|
||||
return 1 if ($item eq $str);
|
||||
}
|
||||
return 0;
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||||
}
|
@ -1,373 +0,0 @@
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||||
#!@PERL@
|
||||
#
|
||||
# Program: llvm-config
|
||||
#
|
||||
# Synopsis: Prints out compiler options needed to build against an installed
|
||||
# copy of LLVM.
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||||
#
|
||||
# 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__
|
Loading…
Reference in New Issue
Block a user