441 lines
16 KiB
Perl
441 lines
16 KiB
Perl
#!/usr/bin/perl
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# This script will take a number ($ENV{SCRIPT_INPUT_FILE_COUNT}) of static archive files
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# and pull them apart into object files. These object files will be placed in a directory
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# named the same as the archive itself without the extension. Each object file will then
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# get renamed to start with the archive name and a '-' character (for archive.a(object.o)
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# the object file would becomde archive-object.o. Then all object files are re-made into
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# a single static library. This can help avoid name collisions when different archive
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# files might contain object files with the same name.
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use strict;
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use File::Basename;
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use File::Glob ':glob';
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use List::Util qw[min max];
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our $llvm_srcroot = $ENV{SCRIPT_INPUT_FILE_0};
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our $llvm_dstroot = $ENV{SCRIPT_INPUT_FILE_1};
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our $llvm_clang_outfile = $ENV{SCRIPT_OUTPUT_FILE_0};
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our ($llvm_clang_basename, $llvm_clang_dirname) = fileparse ($llvm_clang_outfile);
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our $llvm_configuration = $ENV{LLVM_CONFIGURATION};
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our $llvm_revision = "152265";
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our $clang_revision = "152265";
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our $SRCROOT = "$ENV{SRCROOT}";
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our $llvm_dstroot_zip = "$SRCROOT/llvm.zip";
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our @archs = split (/\s+/, $ENV{ARCHS});
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my $os_release = 11;
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my $original_env_path = $ENV{PATH};
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our %llvm_config_info = (
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'Debug' => { configure_options => '--disable-optimized --disable-assertions', make_options => 'DEBUG_SYMBOLS=1'},
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'Debug+Asserts' => { configure_options => '--disable-optimized --enable-assertions' , make_options => 'DEBUG_SYMBOLS=1'},
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'Release' => { configure_options => '--enable-optimized --disable-assertions' , make_options => ''},
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'Release+Debug' => { configure_options => '--enable-optimized --disable-assertions' , make_options => 'DEBUG_SYMBOLS=1'},
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);
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our $llvm_config_href = undef;
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if (exists $llvm_config_info{"$llvm_configuration"})
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{
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$llvm_config_href = $llvm_config_info{$llvm_configuration};
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}
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else
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{
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die "Unsupported LLVM configuration: '$llvm_configuration'\n";
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}
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our @archive_files = (
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"$llvm_configuration/lib/libclang.a",
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"$llvm_configuration/lib/libclangAnalysis.a",
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"$llvm_configuration/lib/libclangAST.a",
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"$llvm_configuration/lib/libclangBasic.a",
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"$llvm_configuration/lib/libclangCodeGen.a",
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"$llvm_configuration/lib/libclangEdit.a",
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"$llvm_configuration/lib/libclangFrontend.a",
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"$llvm_configuration/lib/libclangDriver.a",
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"$llvm_configuration/lib/libclangIndex.a",
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"$llvm_configuration/lib/libclangLex.a",
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"$llvm_configuration/lib/libclangRewrite.a",
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"$llvm_configuration/lib/libclangParse.a",
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"$llvm_configuration/lib/libclangSema.a",
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"$llvm_configuration/lib/libclangSerialization.a",
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"$llvm_configuration/lib/libEnhancedDisassembly.a",
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"$llvm_configuration/lib/libLLVMAnalysis.a",
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"$llvm_configuration/lib/libLLVMArchive.a",
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"$llvm_configuration/lib/libLLVMARMAsmParser.a",
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"$llvm_configuration/lib/libLLVMARMAsmPrinter.a",
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"$llvm_configuration/lib/libLLVMARMCodeGen.a",
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"$llvm_configuration/lib/libLLVMARMDesc.a",
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"$llvm_configuration/lib/libLLVMARMDisassembler.a",
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"$llvm_configuration/lib/libLLVMARMInfo.a",
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"$llvm_configuration/lib/libLLVMAsmParser.a",
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"$llvm_configuration/lib/libLLVMAsmPrinter.a",
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"$llvm_configuration/lib/libLLVMBitReader.a",
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"$llvm_configuration/lib/libLLVMBitWriter.a",
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"$llvm_configuration/lib/libLLVMCodeGen.a",
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"$llvm_configuration/lib/libLLVMCore.a",
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"$llvm_configuration/lib/libLLVMExecutionEngine.a",
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"$llvm_configuration/lib/libLLVMInstCombine.a",
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"$llvm_configuration/lib/libLLVMInstrumentation.a",
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"$llvm_configuration/lib/libLLVMipa.a",
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"$llvm_configuration/lib/libLLVMInterpreter.a",
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"$llvm_configuration/lib/libLLVMipo.a",
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"$llvm_configuration/lib/libLLVMJIT.a",
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"$llvm_configuration/lib/libLLVMLinker.a",
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"$llvm_configuration/lib/libLLVMMC.a",
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"$llvm_configuration/lib/libLLVMMCParser.a",
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"$llvm_configuration/lib/libLLVMMCDisassembler.a",
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"$llvm_configuration/lib/libLLVMMCJIT.a",
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"$llvm_configuration/lib/libLLVMObject.a",
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"$llvm_configuration/lib/libLLVMRuntimeDyld.a",
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"$llvm_configuration/lib/libLLVMScalarOpts.a",
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"$llvm_configuration/lib/libLLVMSelectionDAG.a",
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"$llvm_configuration/lib/libLLVMSupport.a",
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"$llvm_configuration/lib/libLLVMTarget.a",
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"$llvm_configuration/lib/libLLVMTransformUtils.a",
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"$llvm_configuration/lib/libLLVMX86AsmParser.a",
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"$llvm_configuration/lib/libLLVMX86AsmPrinter.a",
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"$llvm_configuration/lib/libLLVMX86CodeGen.a",
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"$llvm_configuration/lib/libLLVMX86Desc.a",
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"$llvm_configuration/lib/libLLVMX86Disassembler.a",
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"$llvm_configuration/lib/libLLVMX86Info.a",
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"$llvm_configuration/lib/libLLVMX86Utils.a",
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);
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if (-e "$llvm_srcroot/lib")
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{
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print "Using existing llvm sources in: '$llvm_srcroot'\n";
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print "Using standard LLVM build directory:\n SRC = '$llvm_srcroot'\n DST = '$llvm_dstroot'\n";
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}
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elsif (-e $llvm_dstroot_zip)
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{
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# Check for an old llvm source install (not the minimal zip based
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# install by looking for a .svn file in the llvm directory
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chomp(my $llvm_zip_md5 = `md5 -q '$llvm_dstroot_zip'`);
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my $llvm_zip_md5_file = "$ENV{SRCROOT}/llvm/$llvm_zip_md5";
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if (!-e "$llvm_zip_md5_file")
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{
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print "Updating LLVM to use checkpoint from: '$llvm_dstroot_zip'...\n";
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if (-d "$ENV{SRCROOT}/llvm")
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{
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do_command ("cd '$ENV{SRCROOT}' && rm -rf llvm", "removing old llvm repository", 1);
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}
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do_command ("cd '$ENV{SRCROOT}' && unzip -q llvm.zip && touch '$llvm_zip_md5_file'", "expanding llvm.zip", 1);
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}
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my $arch_idx = 0;
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if (!-d "${llvm_dstroot}")
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{
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do_command ("mkdir -p '${llvm_dstroot}'", "Creating directory '${llvm_dstroot}'", 1);
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}
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foreach my $arch (@archs)
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{
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my $llvm_dstroot_arch = "${llvm_dstroot}/${arch}";
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# Check for our symlink to our .a file
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if (!-l "$llvm_dstroot_arch/$llvm_clang_basename")
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{
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# Symlink doesn't exist, make sure it isn't a normal file
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if (-e "$llvm_dstroot_arch/$llvm_clang_basename")
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{
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# the .a file is a normal file which means it can't be from the
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# zip file, we must remove the previous arch directory
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do_command ("rm -rf '$llvm_dstroot_arch'", "Removing old '$llvm_dstroot_arch' directory", 1);
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}
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# Create a symlink to the .a file from the zip file
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do_command ("cd '$llvm_dstroot' ; ln -s $ENV{SRCROOT}/llvm/$arch", "making llvm archive symlink", 1);
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}
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}
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exit 0;
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}
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else
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{
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print "Checking out llvm sources from revision $llvm_revision...\n";
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do_command ("cd '$SRCROOT' && svn co --quiet --revision $llvm_revision http://llvm.org/svn/llvm-project/llvm/trunk llvm", "checking out llvm from repository", 1);
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print "Checking out clang sources from revision $clang_revision...\n";
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do_command ("cd '$llvm_srcroot/tools' && svn co --quiet --revision $clang_revision http://llvm.org/svn/llvm-project/cfe/trunk clang", "checking out clang from repository", 1);
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print "Applying any local patches to LLVM/Clang...";
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my @llvm_patches = bsd_glob("$ENV{SRCROOT}/scripts/llvm.*.diff");
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foreach my $patch (@llvm_patches)
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{
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do_command ("cd '$llvm_srcroot' && patch -p0 < $patch");
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}
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my @clang_patches = bsd_glob("$ENV{SRCROOT}/scripts/clang.*.diff");
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foreach my $patch (@clang_patches)
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{
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do_command ("cd '$llvm_srcroot/tools/clang' && patch -p0 < $patch");
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}
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print "Removing the llvm/test and llvm/tools/clang/test directories...\n";
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do_command ("cd '$llvm_srcroot' && rm -rf test && rm -rf tools/clang/test ", "removing test directories", 1);
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}
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# If our output file already exists then we need not generate it again.
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if (-e $llvm_clang_outfile)
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{
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exit 0;
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}
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# Get our options
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our $debug = 1;
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sub parallel_guess
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{
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my $cpus = `sysctl -n hw.availcpu`;
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chomp ($cpus);
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my $memsize = `sysctl -n hw.memsize`;
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chomp ($memsize);
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my $max_cpus_by_memory = int($memsize / (750 * 1024 * 1024));
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return min($max_cpus_by_memory, $cpus);
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}
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sub build_llvm
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{
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#my $extra_svn_options = $debug ? "" : "--quiet";
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# Make the llvm build directory
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my $arch_idx = 0;
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foreach my $arch (@archs)
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{
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my $llvm_dstroot_arch = "${llvm_dstroot}/${arch}";
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# if the arch destination root exists we have already built it
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my $do_configure = 0;
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my $do_make = 0;
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my $is_arm = $arch =~ /^arm/;
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my $llvm_dstroot_arch_archive = "$llvm_dstroot_arch/$llvm_clang_basename";
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print "LLVM architecture root for ${arch} exists at '$llvm_dstroot_arch'...";
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if (-e $llvm_dstroot_arch)
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{
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print "YES\n";
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$do_configure = !-e "$llvm_dstroot_arch/config.log";
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# dstroot for llvm build exists, make sure all .a files are built
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for my $llvm_lib (@archive_files)
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{
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if (!-e "$llvm_dstroot_arch/$llvm_lib")
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{
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print "missing archive: '$llvm_dstroot_arch/$llvm_lib'\n";
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$do_make = 1;
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}
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}
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if (!-e $llvm_dstroot_arch_archive)
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{
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$do_make = 1;
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}
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else
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{
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print "LLVM architecture archive for ${arch} is '$llvm_dstroot_arch_archive'\n";
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}
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}
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else
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{
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print "NO\n";
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do_command ("mkdir -p '$llvm_dstroot_arch'", "making llvm build directory '$llvm_dstroot_arch'", 1);
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$do_configure = 1;
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$do_make = 1;
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if ($is_arm)
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{
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my $llvm_dstroot_arch_bin = "${llvm_dstroot_arch}/bin";
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if (!-d $llvm_dstroot_arch_bin)
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{
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do_command ("mkdir -p '$llvm_dstroot_arch_bin'", "making llvm build arch bin directory '$llvm_dstroot_arch_bin'", 1);
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my @tools = ("ar", "nm", "ranlib", "strip", "lipo", "ld", "as");
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my $script_mode = 0755;
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my $prog;
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for $prog (@tools)
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{
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chomp(my $actual_prog_path = `xcrun -sdk '$ENV{SDKROOT}' -find ${prog}`);
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my $script_prog_path = "$llvm_dstroot_arch_bin/arm-apple-darwin${os_release}-${prog}";
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open (SCRIPT, ">$script_prog_path") or die "Can't open $! for writing...\n";
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print SCRIPT "#!/bin/sh\nexec '$actual_prog_path' \"\$\@\"\n";
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close (SCRIPT);
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chmod($script_mode, $script_prog_path);
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}
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# Tools that must have the "-arch" and "-sysroot" specified
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my @arch_sysroot_tools = ("clang", "clang++", "gcc", "g++");
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for $prog (@arch_sysroot_tools)
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{
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chomp(my $actual_prog_path = `xcrun -sdk '$ENV{SDKROOT}' -find ${prog}`);
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my $script_prog_path = "$llvm_dstroot_arch_bin/arm-apple-darwin${os_release}-${prog}";
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open (SCRIPT, ">$script_prog_path") or die "Can't open $! for writing...\n";
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print SCRIPT "#!/bin/sh\nexec '$actual_prog_path' -arch ${arch} -isysroot '$ENV{SDKROOT}' \"\$\@\"\n";
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close (SCRIPT);
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chmod($script_mode, $script_prog_path);
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}
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my $new_path = "$original_env_path:$llvm_dstroot_arch_bin";
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print "Setting new environment PATH = '$new_path'\n";
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$ENV{PATH} = $new_path;
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}
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}
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}
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if ($do_configure)
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{
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# Build llvm and clang
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print "Configuring clang ($arch) in '$llvm_dstroot_arch'...\n";
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my $lldb_configuration_options = "--enable-targets=x86_64,arm $llvm_config_href->{configure_options}";
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if ($is_arm)
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{
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$lldb_configuration_options .= " --host=arm-apple-darwin${os_release} --target=arm-apple-darwin${os_release} --build=i686-apple-darwin${os_release}";
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}
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else
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{
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$lldb_configuration_options .= " --build=$arch-apple-darwin${os_release}";
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}
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do_command ("cd '$llvm_dstroot_arch' && '$llvm_srcroot/configure' $lldb_configuration_options",
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"configuring llvm build", 1);
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}
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if ($do_make)
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{
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# Build llvm and clang
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my $num_cpus = parallel_guess();
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print "Building clang using $num_cpus cpus ($arch)...\n";
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my $extra_make_flags = '';
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if ($is_arm)
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{
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$extra_make_flags = "UNIVERSAL=1 UNIVERSAL_ARCH=${arch} UNIVERSAL_SDK_PATH='$ENV{SDKROOT}'";
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}
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do_command ("cd '$llvm_dstroot_arch' && make -j$num_cpus clang-only VERBOSE=1 $llvm_config_href->{make_options} NO_RUNTIME_LIBS=1 PROJECT_NAME='llvm' $extra_make_flags", "making llvm and clang", 1);
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do_command ("cd '$llvm_dstroot_arch' && make -j$num_cpus tools-only VERBOSE=1 $llvm_config_href->{make_options} NO_RUNTIME_LIBS=1 PROJECT_NAME='llvm' $extra_make_flags EDIS_VERSION=1", "making libedis", 1);
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# Combine all .o files from a bunch of static libraries from llvm
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# and clang into a single .a file.
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create_single_llvm_arhive_for_arch ($llvm_dstroot_arch, 1);
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}
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++$arch_idx;
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}
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}
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#----------------------------------------------------------------------
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# quote the path if needed and realpath it if the -r option was
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# specified
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#----------------------------------------------------------------------
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sub finalize_path
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{
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my $path = shift;
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# Realpath all paths that don't start with "/"
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$path =~ /^[^\/]/ and $path = abs_path($path);
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# Quote the path if asked to, or if there are special shell characters
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# in the path name
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my $has_double_quotes = $path =~ /["]/;
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my $has_single_quotes = $path =~ /[']/;
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my $needs_quotes = $path =~ /[ \$\&\*'"]/;
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if ($needs_quotes)
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{
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# escape and double quotes in the path
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$has_double_quotes and $path =~ s/"/\\"/g;
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$path = "\"$path\"";
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}
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return $path;
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}
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sub do_command
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{
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my $cmd = shift;
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my $description = @_ ? shift : "command";
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my $die_on_fail = @_ ? shift : undef;
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$debug and print "% $cmd\n";
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system ($cmd);
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if ($? == -1)
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{
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$debug and printf ("error: %s failed to execute: $!\n", $description);
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$die_on_fail and $? and exit(1);
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return $?;
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}
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elsif ($? & 127)
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{
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$debug and printf("error: %s child died with signal %d, %s coredump\n",
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$description,
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($? & 127),
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($? & 128) ? 'with' : 'without');
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$die_on_fail and $? and exit(1);
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return $?;
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}
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else
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{
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my $exit = $? >> 8;
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if ($exit)
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{
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$debug and printf("error: %s child exited with value %d\n", $description, $exit);
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$die_on_fail and exit(1);
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}
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return $exit;
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}
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}
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sub create_single_llvm_arhive_for_arch
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{
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my $arch_dstroot = shift;
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my $split_into_objects = shift;
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my @object_dirs;
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my $object_dir;
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my $tmp_dir = $arch_dstroot;
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my $arch_output_file = "$arch_dstroot/$llvm_clang_basename";
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-e $arch_output_file and return;
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my $files = "$arch_dstroot/files.txt";
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open (FILES, ">$files") or die "Can't open $! for writing...\n";
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for my $path (@archive_files)
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{
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my $archive_fullpath = finalize_path ("$arch_dstroot/$path");
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if (-e $archive_fullpath)
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{
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if ($split_into_objects)
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{
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my ($archive_file, $archive_dir, $archive_ext) = fileparse($archive_fullpath, ('.a'));
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$object_dir = "$tmp_dir/$archive_file";
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push @object_dirs, $object_dir;
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do_command ("cd '$tmp_dir'; mkdir '$archive_file'; cd '$archive_file'; ar -x $archive_fullpath");
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my @objects = bsd_glob("$object_dir/*.o");
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foreach my $object (@objects)
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{
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my ($o_file, $o_dir) = fileparse($object);
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my $new_object = "$object_dir/${archive_file}-$o_file";
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print FILES "$new_object\n";
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do_command ("mv '$object' '$new_object'");
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}
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}
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else
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{
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# just add the .a files into the file list
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print FILES "$archive_fullpath\n";
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}
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}
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else
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{
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print "warning: archive doesn't exist: '$archive_fullpath'\n";
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}
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}
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close (FILES);
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do_command ("libtool -static -o '$arch_output_file' -filelist '$files'");
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do_command ("ranlib '$arch_output_file'");
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foreach $object_dir (@object_dirs)
|
|
{
|
|
do_command ("rm -rf '$object_dir'");
|
|
}
|
|
do_command ("rm -rf '$files'");
|
|
}
|
|
|
|
build_llvm();
|