C.Flags += -DNDEBUG
endif
-CXX.Flags += $(CXXFLAGS)
-C.Flags += $(CFLAGS)
-CPP.Flags += $(CPPFLAGS)
-LD.Flags += $(LDFLAGS)
-AR.Flags := cru
+CXX.Flags += $(CXXFLAGS)
+C.Flags += $(CFLAGS)
+CPP.BaseFlags += $(CPPFLAGS)
+LD.Flags += $(LDFLAGS)
+AR.Flags := cru
LibTool.Flags := --tag=CXX
#Make Floating point ieee complient on alpha
ifeq ($(ARCH),Alpha)
- CXX.Flags += -mieee
- CPP.Flags += -mieee
+ CXX.Flags += -mieee
+ CPP.BaseFlags += -mieee
endif
#--------------------------------------------------------------------
CompileCommonOpts := -D_REENTRANT -D_HPUX_SOURCE
endif
-LD.Flags += -L$(LibDir) -L$(LLVMLibDir)
-CPP.Flags += -I$(PROJ_OBJ_DIR) -I$(PROJ_SRC_DIR) \
- -I$(PROJ_OBJ_ROOT)/include \
- -I$(PROJ_SRC_ROOT)/include \
- -I$(LLVM_OBJ_ROOT)/include \
- -I$(LLVM_SRC_ROOT)/include \
- -D_GNU_SOURCE -D__STDC_LIMIT_MACROS
+LD.Flags += -L$(LibDir) -L$(LLVMLibDir)
+CPP.BaseFlags += -D_GNU_SOURCE -D__STDC_LIMIT_MACROS
+# All -I flags should go here, so that they don't confuse llvm-config.
+CPP.Flags += -I$(PROJ_OBJ_DIR) -I$(PROJ_SRC_DIR) \
+ -I$(PROJ_OBJ_ROOT)/include \
+ -I$(PROJ_SRC_ROOT)/include \
+ -I$(LLVM_OBJ_ROOT)/include \
+ -I$(LLVM_SRC_ROOT)/include \
+ $(CPP.BaseFlags)
Compile.C = $(CC) $(CPP.Flags) $(CompileCommonOpts) -c $(C.Flags)
LTCompile.C = $(LIBTOOL) $(LibTool.Flags) --mode=compile $(Compile.C)
LTInstall = $(LIBTOOL) $(LibTool.Flags) --mode=install $(INSTALL) \
$(Install.Flags)
ProgInstall = $(INSTALL) $(Install.StripFlag) -m 0755
+ScriptInstall = $(INSTALL) -m 0755
DataInstall = $(INSTALL) -m 0644
Burg = $(BURG) -I $(PROJ_SRC_DIR)
TableGen = $(TBLGEN) -I $(PROJ_SRC_DIR) -I$(PROJ_SRC_ROOT)/include
ifeq ($(ARCH),Alpha)
USEDLIBS := $(subst LLVMCore, LLVMCore.a, $(USEDLIBS))
LLVMLIBS := $(subst LLVMCore, LLVMCore.a, $(LLVMLIBS))
+CORE_IS_ARCHIVE := 1
+else
+CORE_IS_ARCHIVE := 0
endif
ProjLibsOptions := $(patsubst %.a.o, -l%, $(addsuffix .o, $(USEDLIBS)))
dnl Configure doxygen's configuration file
AC_CONFIG_FILES([docs/doxygen.cfg])
+dnl Do the first stage of configuration for llvm-config.in.
+AC_CONFIG_FILES([utils/llvm-config/llvm-config.in])
+
dnl Do special configuration of Makefiles
AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"])
AC_CONFIG_MAKEFILE(Makefile)
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<EOF
-#line 8380 "configure"
+#line 8379 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
;;
*-*-irix6*)
# Find out which ABI we are using.
- echo '#line 10371 "configure"' > conftest.$ac_ext
+ echo '#line 10370 "configure"' > conftest.$ac_ext
if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
(eval $ac_compile) 2>&5
ac_status=$?
# Provide some information about the compiler.
-echo "$as_me:10856:" \
+echo "$as_me:10855:" \
"checking for Fortran 77 compiler version" >&5
ac_compiler=`set X $ac_compile; echo $2`
{ (eval echo "$as_me:$LINENO: \"$ac_compiler --version </dev/null >&5\"") >&5
-e 's:.*FLAGS}? :&$lt_compiler_flag :; t' \
-e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
-e 's:$: $lt_compiler_flag:'`
- (eval echo "\"\$as_me:11913: $lt_compile\"" >&5)
+ (eval echo "\"\$as_me:11912: $lt_compile\"" >&5)
(eval "$lt_compile" 2>conftest.err)
ac_status=$?
cat conftest.err >&5
- echo "$as_me:11917: \$? = $ac_status" >&5
+ echo "$as_me:11916: \$? = $ac_status" >&5
if (exit $ac_status) && test -s "$ac_outfile"; then
# The compiler can only warn and ignore the option if not recognized
# So say no if there are warnings
-e 's:.*FLAGS}? :&$lt_compiler_flag :; t' \
-e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
-e 's:$: $lt_compiler_flag:'`
- (eval echo "\"\$as_me:12156: $lt_compile\"" >&5)
+ (eval echo "\"\$as_me:12155: $lt_compile\"" >&5)
(eval "$lt_compile" 2>conftest.err)
ac_status=$?
cat conftest.err >&5
- echo "$as_me:12160: \$? = $ac_status" >&5
+ echo "$as_me:12159: \$? = $ac_status" >&5
if (exit $ac_status) && test -s "$ac_outfile"; then
# The compiler can only warn and ignore the option if not recognized
# So say no if there are warnings
-e 's:.*FLAGS}? :&$lt_compiler_flag :; t' \
-e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
-e 's:$: $lt_compiler_flag:'`
- (eval echo "\"\$as_me:12216: $lt_compile\"" >&5)
+ (eval echo "\"\$as_me:12215: $lt_compile\"" >&5)
(eval "$lt_compile" 2>out/conftest.err)
ac_status=$?
cat out/conftest.err >&5
- echo "$as_me:12220: \$? = $ac_status" >&5
+ echo "$as_me:12219: \$? = $ac_status" >&5
if (exit $ac_status) && test -s out/conftest2.$ac_objext
then
# The compiler can only warn and ignore the option if not recognized
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<EOF
-#line 14401 "configure"
+#line 14400 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<EOF
-#line 14499 "configure"
+#line 14498 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
-e 's:.*FLAGS}? :&$lt_compiler_flag :; t' \
-e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
-e 's:$: $lt_compiler_flag:'`
- (eval echo "\"\$as_me:16692: $lt_compile\"" >&5)
+ (eval echo "\"\$as_me:16691: $lt_compile\"" >&5)
(eval "$lt_compile" 2>conftest.err)
ac_status=$?
cat conftest.err >&5
- echo "$as_me:16696: \$? = $ac_status" >&5
+ echo "$as_me:16695: \$? = $ac_status" >&5
if (exit $ac_status) && test -s "$ac_outfile"; then
# The compiler can only warn and ignore the option if not recognized
# So say no if there are warnings
-e 's:.*FLAGS}? :&$lt_compiler_flag :; t' \
-e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
-e 's:$: $lt_compiler_flag:'`
- (eval echo "\"\$as_me:16752: $lt_compile\"" >&5)
+ (eval echo "\"\$as_me:16751: $lt_compile\"" >&5)
(eval "$lt_compile" 2>out/conftest.err)
ac_status=$?
cat out/conftest.err >&5
- echo "$as_me:16756: \$? = $ac_status" >&5
+ echo "$as_me:16755: \$? = $ac_status" >&5
if (exit $ac_status) && test -s out/conftest2.$ac_objext
then
# The compiler can only warn and ignore the option if not recognized
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<EOF
-#line 18113 "configure"
+#line 18112 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<EOF
-#line 18211 "configure"
+#line 18210 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
-e 's:.*FLAGS}? :&$lt_compiler_flag :; t' \
-e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
-e 's:$: $lt_compiler_flag:'`
- (eval echo "\"\$as_me:19048: $lt_compile\"" >&5)
+ (eval echo "\"\$as_me:19047: $lt_compile\"" >&5)
(eval "$lt_compile" 2>conftest.err)
ac_status=$?
cat conftest.err >&5
- echo "$as_me:19052: \$? = $ac_status" >&5
+ echo "$as_me:19051: \$? = $ac_status" >&5
if (exit $ac_status) && test -s "$ac_outfile"; then
# The compiler can only warn and ignore the option if not recognized
# So say no if there are warnings
-e 's:.*FLAGS}? :&$lt_compiler_flag :; t' \
-e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
-e 's:$: $lt_compiler_flag:'`
- (eval echo "\"\$as_me:19108: $lt_compile\"" >&5)
+ (eval echo "\"\$as_me:19107: $lt_compile\"" >&5)
(eval "$lt_compile" 2>out/conftest.err)
ac_status=$?
cat out/conftest.err >&5
- echo "$as_me:19112: \$? = $ac_status" >&5
+ echo "$as_me:19111: \$? = $ac_status" >&5
if (exit $ac_status) && test -s out/conftest2.$ac_objext
then
# The compiler can only warn and ignore the option if not recognized
-e 's:.*FLAGS}? :&$lt_compiler_flag :; t' \
-e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
-e 's:$: $lt_compiler_flag:'`
- (eval echo "\"\$as_me:21147: $lt_compile\"" >&5)
+ (eval echo "\"\$as_me:21146: $lt_compile\"" >&5)
(eval "$lt_compile" 2>conftest.err)
ac_status=$?
cat conftest.err >&5
- echo "$as_me:21151: \$? = $ac_status" >&5
+ echo "$as_me:21150: \$? = $ac_status" >&5
if (exit $ac_status) && test -s "$ac_outfile"; then
# The compiler can only warn and ignore the option if not recognized
# So say no if there are warnings
-e 's:.*FLAGS}? :&$lt_compiler_flag :; t' \
-e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
-e 's:$: $lt_compiler_flag:'`
- (eval echo "\"\$as_me:21390: $lt_compile\"" >&5)
+ (eval echo "\"\$as_me:21389: $lt_compile\"" >&5)
(eval "$lt_compile" 2>conftest.err)
ac_status=$?
cat conftest.err >&5
- echo "$as_me:21394: \$? = $ac_status" >&5
+ echo "$as_me:21393: \$? = $ac_status" >&5
if (exit $ac_status) && test -s "$ac_outfile"; then
# The compiler can only warn and ignore the option if not recognized
# So say no if there are warnings
-e 's:.*FLAGS}? :&$lt_compiler_flag :; t' \
-e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
-e 's:$: $lt_compiler_flag:'`
- (eval echo "\"\$as_me:21450: $lt_compile\"" >&5)
+ (eval echo "\"\$as_me:21449: $lt_compile\"" >&5)
(eval "$lt_compile" 2>out/conftest.err)
ac_status=$?
cat out/conftest.err >&5
- echo "$as_me:21454: \$? = $ac_status" >&5
+ echo "$as_me:21453: \$? = $ac_status" >&5
if (exit $ac_status) && test -s out/conftest2.$ac_objext
then
# The compiler can only warn and ignore the option if not recognized
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<EOF
-#line 23635 "configure"
+#line 23634 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<EOF
-#line 23733 "configure"
+#line 23732 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
ac_config_files="$ac_config_files docs/doxygen.cfg"
+ ac_config_files="$ac_config_files utils/llvm-config/llvm-config.in"
+
+
ac_config_commands="$ac_config_commands setup"
ac_config_commands="$ac_config_commands Makefile"
# Handling of arguments.
"Makefile.config" ) CONFIG_FILES="$CONFIG_FILES Makefile.config" ;;
"docs/doxygen.cfg" ) CONFIG_FILES="$CONFIG_FILES docs/doxygen.cfg" ;;
+ "utils/llvm-config/llvm-config.in" ) CONFIG_FILES="$CONFIG_FILES utils/llvm-config/llvm-config.in" ;;
"setup" ) CONFIG_COMMANDS="$CONFIG_COMMANDS setup" ;;
"Makefile" ) CONFIG_COMMANDS="$CONFIG_COMMANDS Makefile" ;;
"Makefile.common" ) CONFIG_COMMANDS="$CONFIG_COMMANDS Makefile.common" ;;
##===- utils/llvm-config/Makefile --------------------------*- Makefile -*-===##
-#
+#
# The LLVM Compiler Infrastructure
#
# This file was developed by Reid Spencer and Eric Kidd and is distributed under
include $(LEVEL)/Makefile.common
+# Combine preprocessor flags (except for -I) and CXX flags.
+SUB_CXXFLAGS = ${CPP.BaseFlags} ${CXX.Flags}
+
+# This is blank for now. We need to be careful about adding stuff here:
+# LDFLAGS tend not to be portable, and we don't currently require the
+# user to use libtool when linking against LLVM.
+SUB_LDFLAGS =
+
+# MANUAL USE ONLY! GenLibDeps.pl is very non-portable, so LibDeps.txt
+# should only be re-built manually. No other rule in this file should
+# depend on LibDeps.txt.
LibDeps.txt: $(LEVEL)/utils/GenLibDeps.pl $(LibDir)
$(LEVEL)/utils/GenLibDeps.pl -flat $(LibDir) | sort > LibDeps.txt
+
+# Find all the cyclic dependencies between various LLVM libraries, so we
+# don't have to process them at runtime.
+FinalLibDeps.txt: find-cycles.pl # LibDeps.txt deliberately omitted.
+ $(Echo) "Finding cyclic dependencies between LLVM libraries."
+ $(Verb) $< < $(PROJ_SRC_DIR)/LibDeps.txt > $@
+
+# Rerun our configure substitutions as needed.
+llvm-config.in: llvm-config.in.in $(ConfigStatusScript)
+ $(Verb) cd $(PROJ_OBJ_ROOT) ; \
+ $(ConfigStatusScript) utils/llvm-config/llvm-config.in
+
+# Build our final script.
+llvm-config: llvm-config.in FinalLibDeps.txt
+ $(Echo) "Building llvm-config script."
+ $(Verb) $(ECHO) 's,@LLVM_CXXFLAGS@,$(SUB_CXXFLAGS),' > temp.sed
+ $(Verb) $(ECHO) 's,@LLVM_LDFLAGS@,$(SUB_LDFLAGS),' >> temp.sed
+ $(Verb) $(ECHO) 's,@CORE_IS_ARCHIVE@,$(CORE_IS_ARCHIVE),' >> temp.sed
+ $(Verb) $(SED) -f temp.sed < $< > $@
+ $(Verb) $(RM) temp.sed
+ $(Verb) cat FinalLibDeps.txt >> $@
+ $(Verb) chmod +x llvm-config
+
+# Hook into the standard Makefile rules.
+all-local:: llvm-config
+clean-local::
+ $(Verb) $(RM) -f FinalLibDeps.txt llvm-config llvm-config.in
+install-local:: all-local
+ $(Echo) Installing llvm-config
+ $(Verb) $(MKDIR) $(PROJ_bindir)
+ $(Verb) $(ScriptInstall) llvm-config $(PROJ_bindir)
--- /dev/null
+#!/usr/bin/perl
+#
+# Program: find-cycles.pl
+#
+# Synopsis: Given a list of possibly cyclic dependencies, merge all the
+# cycles. This makes it possible to topologically sort the
+# dependencies between different parts of LLVM.
+#
+# Syntax: find-cycles.pl < LibDeps.txt > FinalLibDeps.txt
+#
+# Input: cycmem1: cycmem2 dep1 dep2
+# cycmem2: cycmem1 dep3 dep4
+# boring: dep4
+#
+# Output: cycmem1 cycmem2: dep1 dep2 dep3 dep4
+# boring: dep4
+#
+# This file was written by Eric Kidd, and is placed into the public domain.
+#
+
+use strict;
+use warnings;
+
+my %DEPS;
+my @CYCLES;
+sub find_all_cycles;
+
+# Read our dependency information.
+while (<>) {
+ chomp;
+ my ($module, $dependency_str) = /^([^:]*): ?(.*)$/;
+ die "Malformed data: $_" unless defined $dependency_str;
+ my @dependencies = split(/ /, $dependency_str);
+ $DEPS{$module} = \@dependencies;
+}
+
+# Partition our raw dependencies into sets of cyclically-connected nodes.
+find_all_cycles();
+
+# Print out the finished cycles, with their dependencies.
+my @output;
+foreach my $cycle (@CYCLES) {
+ my @modules = sort keys %{$cycle};
+
+ # Merge the dependencies of all modules in this cycle.
+ my %dependencies;
+ foreach my $module (@modules) {
+ @dependencies{@{$DEPS{$module}}} = 1;
+ }
+
+ # Prune the known cyclic dependencies.
+ foreach my $module (@modules) {
+ delete $dependencies{$module};
+ }
+
+ # Warn about possible linker problems.
+ my @archives = grep(/\.a$/, @modules);
+ if (@archives > 1) {
+ print STDERR "find-cycles.pl: Circular dependency between *.a files:\n";
+ print STDERR "find-cycles.pl: ", join(' ', @archives), "\n";
+ print STDERR "find-cycles.pl: Some linkers may have problems.\n";
+ push @modules, @archives; # WORKAROUND: Duplicate *.a files. Ick.
+ }
+
+ # Add to our output. (@modules is already as sorted as we need it to be.)
+ push @output, (join(' ', @modules) . ': ' .
+ join(' ', sort keys %dependencies) . "\n");
+}
+print sort @output;
+
+
+#==========================================================================
+# Depedency Cycle Support
+#==========================================================================
+# For now, we have cycles in our dependency graph. Ideally, each cycle
+# would be collapsed down to a single *.a file, saving us all this work.
+#
+# To understand this code, you'll need a working knowledge of Perl 5,
+# and possibly some quality time with 'man perlref'.
+
+my %SEEN;
+my %CYCLES;
+sub find_cycles ($@);
+sub found_cycles ($@);
+
+sub find_all_cycles {
+ # Find all multi-item cycles.
+ my @modules = sort keys %DEPS;
+ foreach my $module (@modules) { find_cycles($module); }
+
+ # Build fake one-item "cycles" for the remaining modules, so we can
+ # treat them uniformly.
+ foreach my $module (@modules) {
+ unless (defined $CYCLES{$module}) {
+ my %cycle = ($module, 1);
+ $CYCLES{$module} = \%cycle;
+ }
+ }
+
+ # Find all our unique cycles. We have to do this the hard way because
+ # we apparently can't store hash references as hash keys without making
+ # 'strict refs' sad.
+ my %seen;
+ foreach my $cycle (values %CYCLES) {
+ unless ($seen{$cycle}) {
+ $seen{$cycle} = 1;
+ push @CYCLES, $cycle;
+ }
+ }
+}
+
+# Walk through our graph depth-first (keeping a trail in @path), and report
+# any cycles we find.
+sub find_cycles ($@) {
+ my ($module, @path) = @_;
+ if (str_in_list($module, @path)) {
+ found_cycle($module, @path);
+ } else {
+ return if defined $SEEN{$module};
+ $SEEN{$module} = 1;
+ foreach my $dep (@{$DEPS{$module}}) {
+ find_cycles($dep, @path, $module);
+ }
+ }
+}
+
+# Give a cycle, attempt to merge it with pre-existing cycle data.
+sub found_cycle ($@) {
+ my ($module, @path) = @_;
+
+ # Pop any modules which aren't part of our cycle.
+ while ($path[0] ne $module) { shift @path; }
+ #print join("->", @path, $module) . "\n";
+
+ # Collect the modules in our cycle into a hash.
+ my %cycle;
+ foreach my $item (@path) {
+ $cycle{$item} = 1;
+ if (defined $CYCLES{$item}) {
+ # Looks like we intersect with an existing cycle, so merge
+ # all those in, too.
+ foreach my $old_item (keys %{$CYCLES{$item}}) {
+ $cycle{$old_item} = 1;
+ }
+ }
+ }
+
+ # Update our global cycle table.
+ my $cycle_ref = \%cycle;
+ foreach my $item (keys %cycle) {
+ $CYCLES{$item} = $cycle_ref;
+ }
+ #print join(":", sort keys %cycle) . "\n";
+}
+
+sub str_in_list ($@) {
+ my ($str, @list) = @_;
+ foreach my $item (@list) {
+ return 1 if ($item eq $str);
+ }
+ return 0;
+}
--- /dev/null
+#!/usr/bin/perl
+#
+# Program: llvm-config
+#
+# Synopsis: Prints out compiler options needed to build against an installed
+# copy of LLVM.
+#
+# Syntax: lllvm-config OPTIONS... [COMPONENTS...]
+#
+# This file was written by Eric Kidd, and is placed into the public domain.
+#
+
+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 $ARCH = lc(q{@ARCH@});
+my @TARGETS_BUILT = map { lc($_) } 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 jitplus
+
+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).
+ native A native-code backend for this platform, if any.
+ jitplus All libraries needed to use the LLVM JIT examples.
+__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 find_native_platform;
+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'} = find_native_platform;
+ $NAME_MAP{'jitplus'} = ['native', 'jit', 'bcreader', 'scalaropts'];
+ $NAME_MAP{'all'} = [name_map_entries]; # Must be last.
+}
+
+# Figure our what native platform we should use, if any.
+sub find_native_platform {
+ my %BUILT;
+ foreach my $target (@TARGETS_BUILT) { $BUILT{$target} = 1; }
+ if (defined $NAME_MAP{$ARCH} && defined $BUILT{$ARCH}) {
+ return [$ARCH];
+ } else {
+ return [];
+ }
+}
+
+# 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__
##===- utils/llvm-config/Makefile --------------------------*- Makefile -*-===##
-#
+#
# The LLVM Compiler Infrastructure
#
# This file was developed by Reid Spencer and Eric Kidd and is distributed under
include $(LEVEL)/Makefile.common
+# Combine preprocessor flags (except for -I) and CXX flags.
+SUB_CXXFLAGS = ${CPP.BaseFlags} ${CXX.Flags}
+
+# This is blank for now. We need to be careful about adding stuff here:
+# LDFLAGS tend not to be portable, and we don't currently require the
+# user to use libtool when linking against LLVM.
+SUB_LDFLAGS =
+
+# MANUAL USE ONLY! GenLibDeps.pl is very non-portable, so LibDeps.txt
+# should only be re-built manually. No other rule in this file should
+# depend on LibDeps.txt.
LibDeps.txt: $(LEVEL)/utils/GenLibDeps.pl $(LibDir)
$(LEVEL)/utils/GenLibDeps.pl -flat $(LibDir) | sort > LibDeps.txt
+
+# Find all the cyclic dependencies between various LLVM libraries, so we
+# don't have to process them at runtime.
+FinalLibDeps.txt: find-cycles.pl # LibDeps.txt deliberately omitted.
+ $(Echo) "Finding cyclic dependencies between LLVM libraries."
+ $(Verb) $< < $(PROJ_SRC_DIR)/LibDeps.txt > $@
+
+# Rerun our configure substitutions as needed.
+llvm-config.in: llvm-config.in.in $(ConfigStatusScript)
+ $(Verb) cd $(PROJ_OBJ_ROOT) ; \
+ $(ConfigStatusScript) utils/llvm-config/llvm-config.in
+
+# Build our final script.
+llvm-config: llvm-config.in FinalLibDeps.txt
+ $(Echo) "Building llvm-config script."
+ $(Verb) $(ECHO) 's,@LLVM_CXXFLAGS@,$(SUB_CXXFLAGS),' > temp.sed
+ $(Verb) $(ECHO) 's,@LLVM_LDFLAGS@,$(SUB_LDFLAGS),' >> temp.sed
+ $(Verb) $(ECHO) 's,@CORE_IS_ARCHIVE@,$(CORE_IS_ARCHIVE),' >> temp.sed
+ $(Verb) $(SED) -f temp.sed < $< > $@
+ $(Verb) $(RM) temp.sed
+ $(Verb) cat FinalLibDeps.txt >> $@
+ $(Verb) chmod +x llvm-config
+
+# Hook into the standard Makefile rules.
+all-local:: llvm-config
+clean-local::
+ $(Verb) $(RM) -f FinalLibDeps.txt llvm-config llvm-config.in
+install-local:: all-local
+ $(Echo) Installing llvm-config
+ $(Verb) $(MKDIR) $(PROJ_bindir)
+ $(Verb) $(ScriptInstall) llvm-config $(PROJ_bindir)
--- /dev/null
+#!/usr/bin/perl
+#
+# Program: find-cycles.pl
+#
+# Synopsis: Given a list of possibly cyclic dependencies, merge all the
+# cycles. This makes it possible to topologically sort the
+# dependencies between different parts of LLVM.
+#
+# Syntax: find-cycles.pl < LibDeps.txt > FinalLibDeps.txt
+#
+# Input: cycmem1: cycmem2 dep1 dep2
+# cycmem2: cycmem1 dep3 dep4
+# boring: dep4
+#
+# Output: cycmem1 cycmem2: dep1 dep2 dep3 dep4
+# boring: dep4
+#
+# This file was written by Eric Kidd, and is placed into the public domain.
+#
+
+use strict;
+use warnings;
+
+my %DEPS;
+my @CYCLES;
+sub find_all_cycles;
+
+# Read our dependency information.
+while (<>) {
+ chomp;
+ my ($module, $dependency_str) = /^([^:]*): ?(.*)$/;
+ die "Malformed data: $_" unless defined $dependency_str;
+ my @dependencies = split(/ /, $dependency_str);
+ $DEPS{$module} = \@dependencies;
+}
+
+# Partition our raw dependencies into sets of cyclically-connected nodes.
+find_all_cycles();
+
+# Print out the finished cycles, with their dependencies.
+my @output;
+foreach my $cycle (@CYCLES) {
+ my @modules = sort keys %{$cycle};
+
+ # Merge the dependencies of all modules in this cycle.
+ my %dependencies;
+ foreach my $module (@modules) {
+ @dependencies{@{$DEPS{$module}}} = 1;
+ }
+
+ # Prune the known cyclic dependencies.
+ foreach my $module (@modules) {
+ delete $dependencies{$module};
+ }
+
+ # Warn about possible linker problems.
+ my @archives = grep(/\.a$/, @modules);
+ if (@archives > 1) {
+ print STDERR "find-cycles.pl: Circular dependency between *.a files:\n";
+ print STDERR "find-cycles.pl: ", join(' ', @archives), "\n";
+ print STDERR "find-cycles.pl: Some linkers may have problems.\n";
+ push @modules, @archives; # WORKAROUND: Duplicate *.a files. Ick.
+ }
+
+ # Add to our output. (@modules is already as sorted as we need it to be.)
+ push @output, (join(' ', @modules) . ': ' .
+ join(' ', sort keys %dependencies) . "\n");
+}
+print sort @output;
+
+
+#==========================================================================
+# Depedency Cycle Support
+#==========================================================================
+# For now, we have cycles in our dependency graph. Ideally, each cycle
+# would be collapsed down to a single *.a file, saving us all this work.
+#
+# To understand this code, you'll need a working knowledge of Perl 5,
+# and possibly some quality time with 'man perlref'.
+
+my %SEEN;
+my %CYCLES;
+sub find_cycles ($@);
+sub found_cycles ($@);
+
+sub find_all_cycles {
+ # Find all multi-item cycles.
+ my @modules = sort keys %DEPS;
+ foreach my $module (@modules) { find_cycles($module); }
+
+ # Build fake one-item "cycles" for the remaining modules, so we can
+ # treat them uniformly.
+ foreach my $module (@modules) {
+ unless (defined $CYCLES{$module}) {
+ my %cycle = ($module, 1);
+ $CYCLES{$module} = \%cycle;
+ }
+ }
+
+ # Find all our unique cycles. We have to do this the hard way because
+ # we apparently can't store hash references as hash keys without making
+ # 'strict refs' sad.
+ my %seen;
+ foreach my $cycle (values %CYCLES) {
+ unless ($seen{$cycle}) {
+ $seen{$cycle} = 1;
+ push @CYCLES, $cycle;
+ }
+ }
+}
+
+# Walk through our graph depth-first (keeping a trail in @path), and report
+# any cycles we find.
+sub find_cycles ($@) {
+ my ($module, @path) = @_;
+ if (str_in_list($module, @path)) {
+ found_cycle($module, @path);
+ } else {
+ return if defined $SEEN{$module};
+ $SEEN{$module} = 1;
+ foreach my $dep (@{$DEPS{$module}}) {
+ find_cycles($dep, @path, $module);
+ }
+ }
+}
+
+# Give a cycle, attempt to merge it with pre-existing cycle data.
+sub found_cycle ($@) {
+ my ($module, @path) = @_;
+
+ # Pop any modules which aren't part of our cycle.
+ while ($path[0] ne $module) { shift @path; }
+ #print join("->", @path, $module) . "\n";
+
+ # Collect the modules in our cycle into a hash.
+ my %cycle;
+ foreach my $item (@path) {
+ $cycle{$item} = 1;
+ if (defined $CYCLES{$item}) {
+ # Looks like we intersect with an existing cycle, so merge
+ # all those in, too.
+ foreach my $old_item (keys %{$CYCLES{$item}}) {
+ $cycle{$old_item} = 1;
+ }
+ }
+ }
+
+ # Update our global cycle table.
+ my $cycle_ref = \%cycle;
+ foreach my $item (keys %cycle) {
+ $CYCLES{$item} = $cycle_ref;
+ }
+ #print join(":", sort keys %cycle) . "\n";
+}
+
+sub str_in_list ($@) {
+ my ($str, @list) = @_;
+ foreach my $item (@list) {
+ return 1 if ($item eq $str);
+ }
+ return 0;
+}
--- /dev/null
+#!/usr/bin/perl
+#
+# Program: llvm-config
+#
+# Synopsis: Prints out compiler options needed to build against an installed
+# copy of LLVM.
+#
+# Syntax: lllvm-config OPTIONS... [COMPONENTS...]
+#
+# This file was written by Eric Kidd, and is placed into the public domain.
+#
+
+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 @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 jitplus
+
+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).
+ native A native-code backend for this platform, if any.
+ jitplus All libraries needed to use the LLVM JIT examples.
+__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 find_native_platform;
+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'} = find_native_platform;
+ $NAME_MAP{'jitplus'} = ['native', 'jit', 'bcreader', 'scalaropts'];
+ $NAME_MAP{'all'} = [name_map_entries]; # Must be last.
+}
+
+# Figure our what native platform we should use, if any.
+sub find_native_platform {
+ my %BUILT;
+ foreach my $target (@TARGETS_BUILT) { $BUILT{$target} = 1; }
+ if (defined $NAME_MAP{$ARCH} && defined $BUILT{$ARCH}) {
+ return [$ARCH];
+ } else {
+ return [];
+ }
+}
+
+# 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__
projects / oota-llvm.git / commitdiff