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Diffstat (limited to 'tools/llvm-config/llvm-config.in.in')
| -rw-r--r-- | tools/llvm-config/llvm-config.in.in | 466 |
1 files changed, 0 insertions, 466 deletions
diff --git a/tools/llvm-config/llvm-config.in.in b/tools/llvm-config/llvm-config.in.in deleted file mode 100644 index d811e59abb5..00000000000 --- a/tools/llvm-config/llvm-config.in.in +++ /dev/null @@ -1,466 +0,0 @@ -#!@PERL@ -##===- tools/llvm-config ---------------------------------------*- perl -*-===## -# -# The LLVM Compiler Infrastructure -# -# This file is distributed under the University of Illinois Open Source -# License. See LICENSE.TXT for details. -# -##===----------------------------------------------------------------------===## -# -# Synopsis: Prints out compiler options needed to build against an installed -# copy of LLVM. -# -# Syntax: llvm-config OPTIONS... [COMPONENTS...] -# -##===----------------------------------------------------------------------===## - -use 5.006; -use strict; -use warnings; -use Cwd 'abs_path'; - -#---- begin autoconf values ---- -my $PACKAGE_NAME = q{@PACKAGE_NAME@}; -my $VERSION = q{@PACKAGE_VERSION@}; -my $PREFIX = q{@LLVM_PREFIX@}; -my $LLVM_CONFIGTIME = q{@LLVM_CONFIGTIME@}; -my $LLVM_SRC_ROOT = q{@abs_top_srcdir@}; -my $LLVM_OBJ_ROOT = q{@abs_top_builddir@}; -my $ARCH = lc(q{@ARCH@}); -my $TARGET_TRIPLE = q{@target@}; -my $TARGETS_TO_BUILD = q{@TARGETS_TO_BUILD@}; -my $TARGET_HAS_JIT = q{@TARGET_HAS_JIT@}; -my @TARGETS_BUILT = map { lc($_) } qw{@TARGETS_TO_BUILD@}; -#---- end autoconf values ---- - -# Must pretend x86_64 architecture is really x86, otherwise the native backend -# won't get linked in. -$ARCH = "x86" if $ARCH eq "x86_64"; - -#---- begin Makefile values ---- -my $CPPFLAGS = q{@LLVM_CPPFLAGS@}; -my $CFLAGS = q{@LLVM_CFLAGS@}; -my $CXXFLAGS = q{@LLVM_CXXFLAGS@}; -my $LDFLAGS = q{@LLVM_LDFLAGS@}; -my $SYSTEM_LIBS = q{@LIBS@}; -my $LLVM_BUILDMODE = q{@LLVM_BUILDMODE@}; -my $LLVM_OBJ_SUFFIX = q{@LLVM_OBJ_SUFFIX@}; -#---- end Makefile values ---- - -# Figure out where llvm-config is being run from. Primarily, we care if it has -# been installed, or is running from the build directory, which changes the -# locations of some files. - -# Convert the current executable name into its directory (e.g. "."). -my ($RUN_DIR) = ($0 =~ /^(.*)\/.*$/); - -# Turn the directory into an absolute directory on the file system, also pop up -# from "bin" into the build or prefix dir. -my $ABS_RUN_DIR = abs_path("$RUN_DIR/.."); -chomp($ABS_RUN_DIR); - -# Compute the absolute object directory build, e.g. "foo/llvm/Debug". -my $ABS_OBJ_ROOT = "$LLVM_OBJ_ROOT$LLVM_OBJ_SUFFIX"; -$ABS_OBJ_ROOT = abs_path("$ABS_OBJ_ROOT") if (-d $ABS_OBJ_ROOT); -chomp($ABS_OBJ_ROOT); - -my $INCLUDEDIR = "$ABS_RUN_DIR/include"; -my $INCLUDEOPTION = "-I$INCLUDEDIR"; -my $LIBDIR = "$ABS_RUN_DIR/lib"; -my $BINDIR = "$ABS_RUN_DIR/bin"; -if ($ABS_RUN_DIR eq $ABS_OBJ_ROOT) { - # If we are running out of the build directory, the include dir is in the - # srcdir. - $INCLUDEDIR = "$LLVM_SRC_ROOT/include"; - # We need include files from both the srcdir and objdir. - $INCLUDEOPTION = "-I$INCLUDEDIR -I$LLVM_OBJ_ROOT/include" -} else { - # If installed, ignore the prefix the tree was configured with, use the - # current prefix. - $PREFIX = $ABS_RUN_DIR; -} - -sub usage; -sub fix_library_names (@); -sub fix_library_files (@); -sub expand_dependencies (@); -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_libfiles = 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 "--cppflags") { - $has_opt = 1; print "$INCLUDEOPTION $CPPFLAGS\n"; - } elsif ($arg eq "--cflags") { - $has_opt = 1; print "$INCLUDEOPTION $CFLAGS\n"; - } elsif ($arg eq "--cxxflags") { - $has_opt = 1; print "$INCLUDEOPTION $CXXFLAGS\n"; - } elsif ($arg eq "--ldflags") { - $has_opt = 1; print "-L$LIBDIR $LDFLAGS $SYSTEM_LIBS\n"; - } elsif ($arg eq "--libs") { - $has_opt = 1; $want_libs = 1; - } elsif ($arg eq "--libnames") { - $has_opt = 1; $want_libnames = 1; - } elsif ($arg eq "--libfiles") { - $has_opt = 1; $want_libfiles = 1; - } elsif ($arg eq "--components") { - $has_opt = 1; print join(' ', name_map_entries), "\n"; - } elsif ($arg eq "--targets-built") { - $has_opt = 1; print join(' ', @TARGETS_BUILT), "\n"; - } elsif ($arg eq "--host-target") { - $has_opt = 1; print "$TARGET_TRIPLE\n"; - } elsif ($arg eq "--build-mode") { - $has_opt = 1; print "$LLVM_BUILDMODE\n"; - } elsif ($arg eq "--obj-root") { - $has_opt = 1; print abs_path("$LLVM_OBJ_ROOT/"); - } elsif ($arg eq "--src-root") { - $has_opt = 1; print abs_path("$LLVM_SRC_ROOT/"); - } else { - usage(); - } - } else { - push @components, $arg; - } -} - -# If no options were specified, fail. -usage unless $has_opt; - -# If no components were specified, default to 'all'. -if (@components == 0) { - push @components, 'all'; -} - -# Force component names to lower case. -@components = map lc, @components; - -# Handle any arguments which require building our dependency graph. -if ($want_libs || $want_libnames || $want_libfiles) { - my @libs = expand_dependencies(@components); - print join(' ', fix_library_names(@libs)), "\n" if ($want_libs); - print join(' ', @libs), "\n" if ($want_libnames); - print join(' ', fix_library_files(@libs)), "\n" if ($want_libfiles); -} - -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 Print LLVM version. - --prefix Print the installation prefix. - --src-root Print the source root LLVM was built from. - --obj-root Print the object root used to build LLVM. - --bindir Directory containing LLVM executables. - --includedir Directory containing LLVM headers. - --libdir Directory containing LLVM libraries. - --cppflags C preprocessor flags for files that include LLVM headers. - --cflags C compiler flags for files that include LLVM headers. - --cxxflags C++ compiler flags for files that include LLVM headers. - --ldflags Print Linker flags. - --libs Libraries needed to link against LLVM components. - --libnames Bare library names for in-tree builds. - --libfiles Fully qualified library filenames for makefile depends. - --components List of all possible components. - --targets-built List of all targets currently built. - --host-target Target triple used to configure LLVM. - --build-mode Print build mode of LLVM tree (e.g. Debug or Release). -Typical components: - all All LLVM libraries (default). - engine Either a native JIT or a bitcode 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; -} - -# Turn the list of libraries into a list of files. -sub fix_library_files(@) { - my @libs = @_; - my @result; - foreach my $lib (@libs) { - # Transform the bare library name into a filename. - push @result, "$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 ($$@); - -# 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_dependencies (@) { - 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. - my @result; - foreach my $set (@sorted_sets) { push @result, @{$set}; } - return @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) = /^\s*([^:]+):\s*(.*)\s*$/; - 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 target-specific entries - my @all_targets; - foreach my $target (@TARGETS_BUILT) { - # FIXME: Temporary, until we don't switch all targets - if (defined $NAME_MAP{$target.'asmprinter'}) { - $NAME_MAP{$target} = [$target.'info', - $target.'asmprinter', - $target.'codegen'] - } elsif (defined $NAME_MAP{$target.'codegen'}) { - $NAME_MAP{$target} = [$target.'info', - $target.'codegen'] - } else { - $NAME_MAP{$target} = [$target.'info', - $NAME_MAP{$target}[0]] - } - - if (defined $NAME_MAP{$target.'asmparser'}) { - push @{$NAME_MAP{$target}},$target.'asmparser' - } - - if (defined $NAME_MAP{$target.'disassembler'}) { - push @{$NAME_MAP{$target}},$target.'disassembler' - } - - push @all_targets, $target; - } - - # Add virtual entries. - $NAME_MAP{'native'} = have_native_backend() ? [$ARCH] : []; - $NAME_MAP{'nativecodegen'} = have_native_backend() ? [$ARCH.'codegen'] : []; - $NAME_MAP{'engine'} = find_best_engine; - $NAME_MAP{'all-targets'} = \@all_targets; - $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); -} - -# Our library dependency data will be added after the '__END__' token, and will -# be read through the magic <DATA> filehandle. -__END__ |