#!@PERL@
+##===- tools/llvm-config ---------------------------------------*- perl -*-===##
+#
+# The LLVM Compiler Infrastructure
#
-# Program: llvm-config
+# 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...]
-#
-# 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 $PACKAGE_NAME = q{@PACKAGE_NAME@};
my $VERSION = q{@PACKAGE_VERSION@};
my $PREFIX = q{@LLVM_PREFIX@};
-my $BINDIR = "$PREFIX/bin";
-my $INCLUDEDIR = "$PREFIX/include";
-my $LIBDIR = "$PREFIX/lib";
+my $LLVM_CONFIGTIME = q{@LLVM_CONFIGTIME@};
+my $LLVM_SRC_ROOT = q{@abs_top_srcdir@};
+my $LLVM_OBJ_ROOT = q{@abs_top_builddir@};
+my $LLVM_ON_WIN32 = q{@LLVM_ON_WIN32@};
+my $LLVM_ON_UNIX = q{@LLVM_ON_UNIX@};
+my $LLVMGCCDIR = q{@LLVMGCCDIR@};
+my $LLVMGCC = q{@LLVMGCC@};
+my $LLVMGXX = q{@LLVMGXX@};
+my $LLVMGCC_VERSION = q{@LLVMGCC_VERSION@};
+my $LLVMGCC_MAJVERS = q{@LLVMGCC_MAJVERS@};
+my $ENDIAN = q{@ENDIAN@};
+my $SHLIBEXT = q{@SHLIBEXT@};
+my $EXEEXT = q{@EXEEXT@};
+my $OS = q{@OS@};
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 $LLVM_BUILDMODE = q{@LLVM_BUILDMODE@};
#---- end Makefile values ----
+# Figure out where llvm-config is being run from. Primarily, we care if it has
+# been installed, or is running from the build directory, which changes the
+# locations of some files.
+
+# Convert the current executable name into its directory (e.g. ".").
+my ($RUN_DIR) = ($0 =~ /^(.*)\/.*$/);
+
+# Find the unix pwd program: we don't want to use the bash builtin, as it does
+# not look through symlinks etc.
+my $PWD = `which pwd`;
+chomp($PWD);
+$PWD = "pwd" if (!-e $PWD);
+
+# 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 = `cd $RUN_DIR/..; $PWD`;
+chomp($ABS_RUN_DIR);
+
+# Compute the absolute object directory build, e.g. "foo/llvm/Debug".
+my $ABS_OBJ_ROOT = "$LLVM_OBJ_ROOT/$LLVM_BUILDMODE";
+$ABS_OBJ_ROOT = `cd $ABS_OBJ_ROOT; $PWD` if (-d $ABS_OBJ_ROOT);
+chomp($ABS_OBJ_ROOT);
+
+my $INCLUDEDIR = "$ABS_RUN_DIR/include";
+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";
+} 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 expand_dependecies (@);
+sub fix_library_files (@);
+sub expand_dependencies (@);
sub name_map_entries;
# Parse our command-line arguments.
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 =~ /^-/) {
$has_opt = 1; print "$INCLUDEDIR\n";
} elsif ($arg eq "--libdir") {
$has_opt = 1; print "$LIBDIR\n";
+ } elsif ($arg eq "--cppflags") {
+ $has_opt = 1; print "-I$INCLUDEDIR $CPPFLAGS\n";
+ } elsif ($arg eq "--cflags") {
+ $has_opt = 1; print "-I$INCLUDEDIR $CFLAGS\n";
} elsif ($arg eq "--cxxflags") {
$has_opt = 1; print "-I$INCLUDEDIR $CXXFLAGS\n";
} elsif ($arg eq "--ldflags") {
- $has_opt = 1; print "-L$LIBDIR $LDFLAGS\n";
+ $has_opt = 1; print "-L$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 `cd $LLVM_OBJ_ROOT/; $PWD`;
+ } elsif ($arg eq "--src-root") {
+ $has_opt = 1; print `cd $LLVM_SRC_ROOT/; $PWD`;
} else {
usage();
}
push @components, 'all';
}
+# Force component names to lower case.
+@components = map lc, @components;
+
# Handle any arguments which require building our dependency graph.
-if ($want_libs || $want_libnames) {
- my @libs = expand_dependecies(@components);
- if ($want_libs) {
- print join(' ', fix_library_names(@libs)), "\n";
- }
- if ($want_libnames) {
- print join(' ', @libs), "\n";
- }
+if ($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;
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.
+ --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).
- backend Either a native backend or the C backend.
- engine Either a native JIT or a bytecode interpreter.
+ 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);
}
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
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
# Given a list of human-friendly component names, translate them into a
# complete set of linker arguments.
-sub expand_dependecies (@) {
+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, and apply any
- # platform-specific hackery.
+ # Expand the library sets into libraries.
my @result;
foreach my $set (@sorted_sets) { push @result, @{$set}; }
- return maybe_fix_core(@result);
+ return @result;
}
# Load in the raw dependency data stored at the end of this file.
$DEPENDENCIES_LOADED = 1;
while (<DATA>) {
# Parse our line.
- my ($libs, $deps) = /^(^[^:]+): ?(.*)$/;
+ my ($libs, $deps) = /^\s*([^:]+):\s*(.*)\s*$/;
die "Malformed dependency data" unless defined $deps;
my @libs = split(' ', $libs);
my @deps = split(' ', $deps);
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) {
- 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__