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New flag for GenLibDeps, and llvm-config-perobjincl.
This allows to show the explicit files that need to be built/linked to get an LLVM component. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95300 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Torok Edwin
parent
7db21bdb7d
commit
18743f4502
@ -53,6 +53,46 @@ llvm-config.in: $(ConfigInIn) $(ConfigStatusScript)
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$(Verb) cd $(PROJ_OBJ_ROOT) ; \
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$(ConfigStatusScript) tools/llvm-config/llvm-config.in
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llvm-config-perobj: llvm-config.in $(GenLibDeps) $(LibDir) $(wildcard $(LibDir)/*.a)
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$(Echo) "Generating llvm-config-perobj"
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$(Verb) $(PERL) $(GenLibDeps) -perobj -flat $(LibDir) "$(NM_PATH)" >PerobjDeps.txt
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$(Echo) "Checking for cyclic dependencies between LLVM objects."
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$(Verb) $(PERL) $(PROJ_SRC_DIR)/find-cycles.pl < PerobjDepsIncl.txt > PerobjDepsInclFinal.txt || rm -f $@
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$(Verb) $(ECHO) 's/@LLVM_CPPFLAGS@/$(subst /,\/,$(SUB_CPPFLAGS))/' \
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> temp.sed
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$(Verb) $(ECHO) 's/@LLVM_CFLAGS@/$(subst /,\/,$(SUB_CFLAGS))/' \
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>> temp.sed
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$(Verb) $(ECHO) 's/@LLVM_CXXFLAGS@/$(subst /,\/,$(SUB_CXXFLAGS))/' \
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>> temp.sed
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$(Verb) $(ECHO) 's/@LLVM_LDFLAGS@/$(subst /,\/,$(SUB_LDFLAGS))/' \
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>> temp.sed
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$(Verb) $(ECHO) 's/@LLVM_BUILDMODE@/$(subst /,\/,$(BuildMode))/' \
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>> temp.sed
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$(Verb) $(SED) -f temp.sed < $< > $@
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$(Verb) $(RM) temp.sed
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$(Verb) cat PerobjDepsFinal.txt >> $@
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$(Verb) chmod +x $@
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llvm-config-perobjincl: llvm-config.in $(GenLibDeps) $(LibDir) $(wildcard $(LibDir)/*.a)
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$(Echo) "Generating llvm-config-perobjincl"
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$(Verb) $(PERL) $(GenLibDeps) -perobj -perobjincl -flat $(LibDir) "$(NM_PATH)" >PerobjDepsIncl.txt
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$(Echo) "Checking for cyclic dependencies between LLVM objects."
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$(Verb) $(PERL) $(PROJ_SRC_DIR)/find-cycles.pl < PerobjDepsIncl.txt > PerobjDepsInclFinal.txt
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$(Verb) $(ECHO) 's/@LLVM_CPPFLAGS@/$(subst /,\/,$(SUB_CPPFLAGS))/' \
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> temp.sed
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$(Verb) $(ECHO) 's/@LLVM_CFLAGS@/$(subst /,\/,$(SUB_CFLAGS))/' \
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>> temp.sed
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$(Verb) $(ECHO) 's/@LLVM_CXXFLAGS@/$(subst /,\/,$(SUB_CXXFLAGS))/' \
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>> temp.sed
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$(Verb) $(ECHO) 's/@LLVM_LDFLAGS@/$(subst /,\/,$(SUB_LDFLAGS))/' \
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>> temp.sed
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$(Verb) $(ECHO) 's/@LLVM_BUILDMODE@/$(subst /,\/,$(BuildMode))/' \
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>> temp.sed
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$(Verb) $(SED) -f temp.sed < $< > $@
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$(Verb) $(RM) temp.sed
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$(Verb) cat PerobjDepsInclFinal.txt >> $@
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$(Verb) chmod +x $@
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# Build our final script.
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$(ToolDir)/llvm-config: llvm-config.in $(FinalLibDeps)
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$(Echo) "Building llvm-config script."
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@ -62,6 +62,11 @@ foreach my $cycle (@CYCLES) {
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print STDERR "find-cycles.pl: Circular dependency between *.a files:\n";
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print STDERR "find-cycles.pl: ", join(' ', @archives), "\n";
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push @modules, @archives; # WORKAROUND: Duplicate *.a files. Ick.
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} elsif (@modules > 1) {
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$cycles_found = $cycles_found + 1;
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print STDERR "find-cycles.pl: Circular dependency between *.o files:\n";
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print STDERR "find-cycles.pl: ", join(' ', @modules), "\n";
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push @modules, @modules; # WORKAROUND: Duplicate *.o 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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@ -9,10 +9,12 @@
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# Syntax: GenLibDeps.pl [-flat] <directory_with_libraries_in_it> [path_to_nm_binary]
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#
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use strict;
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use warnings;
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# Parse arguments...
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my $FLAT = 0;
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my $WHY = 0;
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my $PEROBJ = 0;
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my $PEROBJINCL = 0;
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while (scalar(@ARGV) and ($_ = $ARGV[0], /^[-+]/)) {
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shift;
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last if /^--$/; # Stop processing arguments on --
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@ -20,6 +22,8 @@ while (scalar(@ARGV) and ($_ = $ARGV[0], /^[-+]/)) {
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# List command line options here...
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if (/^-flat$/) { $FLAT = 1; next; }
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if (/^-why/) { $WHY = 1; $FLAT = 1; next; }
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if (/^-perobj$/) { $PEROBJ = 1; next; }
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if (/^-perobjincl/) { $PEROBJINCL = 1; next;}
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print "Unknown option: $_ : ignoring!\n";
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}
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@ -47,6 +51,19 @@ if (!defined($nmPath) || $nmPath eq "") {
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die "Can't find 'nm'" if (! -x "$nmPath");
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}
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my $ranlibPath;
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if ($PEROBJ) {
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$ranlibPath = $ARGV[2];
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if (defined($ENV{RANLIB})) {
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chomp($ranlibPath=$ENV{RANLIB});
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}
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if (!defined($ranlibPath) || $ranlibPath eq "") {
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chomp($ranlibPath=`which ranlib`);
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die "Can't find 'ranlib'" if (! -x "$ranlibPath");
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}
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}
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# Open the directory and read its contents, sorting by name and differentiating
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# by whether its a library (.a) or an object file (.o)
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opendir DIR,$Directory;
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@ -60,6 +77,93 @@ my @objs = grep(/LLVM.*\.o$/,sort(@files));
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my %libdefs;
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my %objdefs;
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my %libobjs;
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my %objdeps=();
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# Gather library definitions at object file granularity (optional)
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if ($PEROBJ) {
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foreach my $lib (@libs ) {
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`$ranlibPath $Directory/$lib`;
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my $libpath = $lib;
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$libpath =~ s/^libLLVM(.*)\.a/$1/;
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$libpath =~ s/(.+)CodeGen$/Target\/$1/;
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$libpath =~ s/(.+)AsmPrinter$/Target\/$1\/AsmPrinter/;
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$libpath =~ s/(.+)AsmParser$/Target\/$1\/AsmParser/;
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$libpath =~ s/(.+)Info$/Target\/$1\/TargetInfo/;
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$libpath =~ s/(.+)Disassembler$/Target\/$1\/Disassembler/;
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$libpath =~ s/SelectionDAG/CodeGen\/SelectionDAG/;
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$libpath =~ s/^AsmPrinter/CodeGen\/AsmPrinter/;
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$libpath =~ s/^BitReader/Bitcode\/Reader/;
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$libpath =~ s/^BitWriter/Bitcode\/Writer/;
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$libpath =~ s/^CBackend/Target\/CBackend/;
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$libpath =~ s/^CppBackend/Target\/CppBackend/;
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$libpath =~ s/^MSIL/Target\/MSIL/;
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$libpath =~ s/^Core/VMCore/;
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$libpath =~ s/^Instrumentation/Transforms\/Instrumentation/;
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$libpath =~ s/^Interpreter/ExecutionEngine\/Interpreter/;
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$libpath =~ s/^JIT/ExecutionEngine\/JIT/;
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$libpath =~ s/^ScalarOpts/Transforms\/Scalar/;
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$libpath =~ s/^TransformUtils/Transforms\/Utils/;
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$libpath =~ s/^ipa/Analysis\/IPA/;
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$libpath =~ s/^ipo/Transforms\/IPO/;
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$libpath =~ s/^pic16passes/Target\/PIC16\/PIC16Passes/;
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$libpath = "lib/".$libpath."/";
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open DEFS, "$nmPath -sg $Directory/$lib|";
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while (<DEFS>) {
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chomp;
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if (/^([^ ]*) in ([^ ]*)/) {
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my $objfile = $libpath.$2;
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$objdefs{$1} = $objfile;
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$objdeps{$objfile} = {};
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$libobjs{$lib}{$objfile}=1;
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# my $p = "../llvm/".$objfile;
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# $p =~ s/Support\/reg(.*).o/Support\/reg$1.c/;
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# $p =~ s/.o$/.cpp/;
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# unless (-e $p) {
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# die "$p\n"
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# }
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}
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}
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close DEFS or die "nm failed";
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}
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foreach my $lib (@libs ) {
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my $libpath = $lib;
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$libpath =~ s/^libLLVM(.*)\.a/$1/;
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$libpath =~ s/(.+)CodeGen$/Target\/$1/;
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$libpath =~ s/(.+)AsmPrinter$/Target\/$1\/AsmPrinter/;
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$libpath =~ s/(.+)AsmParser$/Target\/$1\/AsmParser/;
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$libpath =~ s/(.+)Info$/Target\/$1\/TargetInfo/;
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$libpath =~ s/(.+)Disassembler$/Target\/$1\/Disassembler/;
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$libpath =~ s/SelectionDAG/CodeGen\/SelectionDAG/;
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$libpath =~ s/^AsmPrinter/CodeGen\/AsmPrinter/;
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$libpath =~ s/^BitReader/Bitcode\/Reader/;
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$libpath =~ s/^BitWriter/Bitcode\/Writer/;
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$libpath =~ s/^CBackend/Target\/CBackend/;
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$libpath =~ s/^CppBackend/Target\/CppBackend/;
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$libpath =~ s/^MSIL/Target\/MSIL/;
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$libpath =~ s/^Core/VMCore/;
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$libpath =~ s/^Instrumentation/Transforms\/Instrumentation/;
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$libpath =~ s/^Interpreter/ExecutionEngine\/Interpreter/;
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$libpath =~ s/^JIT/ExecutionEngine\/JIT/;
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$libpath =~ s/^ScalarOpts/Transforms\/Scalar/;
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$libpath =~ s/^TransformUtils/Transforms\/Utils/;
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$libpath =~ s/^ipa/Analysis\/IPA/;
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$libpath =~ s/^ipo/Transforms\/IPO/;
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$libpath =~ s/^pic16passes/Target\/PIC16\/PIC16Passes/;
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$libpath = "lib/".$libpath."/";
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open UDEFS, "$nmPath -Aup $Directory/$lib|";
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while (<UDEFS>) {
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chomp;
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if (/:([^:]+):/) {
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my $obj = $libpath.$1;
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s/[^ ]+: *U //;
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if (defined($objdefs{$_})) {
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$objdeps{$obj}{$objdefs{$_}}=1;
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}
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}
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}
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close UDEFS or die "nm failed"
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}
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} else {
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# Gather definitions from the libraries
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foreach my $lib (@libs ) {
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open DEFS, "$nmPath -g $Directory/$lib|";
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@ -72,6 +176,7 @@ foreach my $lib (@libs ) {
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}
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close DEFS or die "nm failed";
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}
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}
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# Gather definitions from the object files.
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foreach my $obj (@objs ) {
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@ -109,6 +214,11 @@ sub gen_one_entry {
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$DepLibs{$libdefs{$_}} = [] unless exists $DepLibs{$libdefs{$_}};
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push(@{$DepLibs{$libdefs{$_}}}, $_);
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} elsif (defined($objdefs{$_}) && $objdefs{$_} ne $lib) {
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if ($PEROBJ && !$PEROBJINCL) {
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# -perobjincl makes .a files depend on .o files they contain themselves
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# default is don't depend on these.
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next if defined $libobjs{$lib}{$objdefs{$_}};
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}
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my $libroot = $lib;
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$libroot =~ s/lib(.*).a/$1/;
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if ($objdefs{$_} ne "$libroot.o") {
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@ -144,6 +254,25 @@ sub gen_one_entry {
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}
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close UNDEFS or die "nm failed";
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}
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if ($PEROBJINCL) {
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# include the .a's objects
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for my $obj (keys %{$libobjs{$lib}}) {
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$DepLibs{$obj} = ["<.a object>"] unless exists $DepLibs{$obj};
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}
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my $madechange = 1;
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while($madechange) {
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$madechange = 0;
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my %temp = %DepLibs;
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foreach my $obj (keys %DepLibs) {
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foreach my $objdeps (keys %{$objdeps{$obj}}) {
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next if defined $temp{$objdeps};
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push(@{$temp{$objdeps}}, $obj);
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$madechange = 1;
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}
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}
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%DepLibs = %temp;
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}
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}
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for my $key (sort keys %DepLibs) {
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if ($FLAT) {
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@ -209,6 +338,18 @@ foreach my $lib (@libs) {
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gen_one_entry($lib);
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}
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if ($PEROBJ) {
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foreach my $obj (keys %objdeps) {
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print "$obj:";
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if (!$PEROBJINCL) {
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foreach my $dep (keys %{$objdeps{$obj}}) {
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print " $dep";
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}
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}
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print "\n";
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}
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}
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if (!$FLAT) {
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print DOT "}\n";
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close DOT;
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