[Lldb-commits] [lldb] r172237 - /lldb/trunk/scripts/build-llvm.pl

Bob Wilson bob.wilson at apple.com
Fri Jan 11 11:00:56 PST 2013


Author: bwilson
Date: Fri Jan 11 13:00:56 2013
New Revision: 172237

URL: http://llvm.org/viewvc/llvm-project?rev=172237&view=rev
Log:
Fix whitespace.

This script used an inconsistent mix of spaces and tabs, and even
ignoring that, it still had inconsistent indentation, which is
pretty scary for a Python script. I also removed trailing whitespace
from some lines.

Modified:
    lldb/trunk/scripts/build-llvm.pl

Modified: lldb/trunk/scripts/build-llvm.pl
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/scripts/build-llvm.pl?rev=172237&r1=172236&r2=172237&view=diff
==============================================================================
--- lldb/trunk/scripts/build-llvm.pl (original)
+++ lldb/trunk/scripts/build-llvm.pl Fri Jan 11 13:00:56 2013
@@ -31,75 +31,75 @@
 my $original_env_path = $ENV{PATH};
 
 our %llvm_config_info = (
- 'Debug'         => { configure_options => '--disable-optimized --disable-assertions --enable-libcpp', make_options => 'DEBUG_SYMBOLS=1'},
- 'Debug+Asserts' => { configure_options => '--disable-optimized --enable-assertions --enable-libcpp' , make_options => 'DEBUG_SYMBOLS=1'},
- 'Release'       => { configure_options => '--enable-optimized --disable-assertions --enable-libcpp' , make_options => ''},
- 'Release+Debug' => { configure_options => '--enable-optimized --disable-assertions --enable-libcpp' , make_options => 'DEBUG_SYMBOLS=1'},
- 'Release+Asserts' => { configure_options => '--enable-optimized --enable-assertions --enable-libcpp' , make_options => ''},
+   'Debug'         => { configure_options => '--disable-optimized --disable-assertions --enable-libcpp', make_options => 'DEBUG_SYMBOLS=1'},
+   'Debug+Asserts' => { configure_options => '--disable-optimized --enable-assertions --enable-libcpp' , make_options => 'DEBUG_SYMBOLS=1'},
+   'Release'       => { configure_options => '--enable-optimized --disable-assertions --enable-libcpp' , make_options => ''},
+   'Release+Debug' => { configure_options => '--enable-optimized --disable-assertions --enable-libcpp' , make_options => 'DEBUG_SYMBOLS=1'},
+   'Release+Asserts' => { configure_options => '--enable-optimized --enable-assertions --enable-libcpp' , make_options => ''},
 );
 
 our $llvm_config_href = undef;
 if (exists $llvm_config_info{"$llvm_configuration"})
 {
-	$llvm_config_href = $llvm_config_info{$llvm_configuration};
+    $llvm_config_href = $llvm_config_info{$llvm_configuration};
 }
 else
 {
-	die "Unsupported LLVM configuration: '$llvm_configuration'\n";
+    die "Unsupported LLVM configuration: '$llvm_configuration'\n";
 }
 
-our @archive_files = (  
+our @archive_files = (
     "$llvm_configuration/lib/libclang.a",
-	"$llvm_configuration/lib/libclangAnalysis.a",
-	"$llvm_configuration/lib/libclangAST.a",
-	"$llvm_configuration/lib/libclangBasic.a",
-	"$llvm_configuration/lib/libclangCodeGen.a",
+    "$llvm_configuration/lib/libclangAnalysis.a",
+    "$llvm_configuration/lib/libclangAST.a",
+    "$llvm_configuration/lib/libclangBasic.a",
+    "$llvm_configuration/lib/libclangCodeGen.a",
     "$llvm_configuration/lib/libclangEdit.a",
-	"$llvm_configuration/lib/libclangFrontend.a",
-	"$llvm_configuration/lib/libclangDriver.a",
-	"$llvm_configuration/lib/libclangLex.a",
-	"$llvm_configuration/lib/libclangParse.a",
-	"$llvm_configuration/lib/libclangSema.a",
+    "$llvm_configuration/lib/libclangFrontend.a",
+    "$llvm_configuration/lib/libclangDriver.a",
+    "$llvm_configuration/lib/libclangLex.a",
+    "$llvm_configuration/lib/libclangParse.a",
+    "$llvm_configuration/lib/libclangSema.a",
     "$llvm_configuration/lib/libclangSerialization.a",
-	"$llvm_configuration/lib/libLLVMAnalysis.a",
-	"$llvm_configuration/lib/libLLVMArchive.a",
-	"$llvm_configuration/lib/libLLVMARMAsmParser.a",
-	"$llvm_configuration/lib/libLLVMARMAsmPrinter.a",
-	"$llvm_configuration/lib/libLLVMARMCodeGen.a",
+    "$llvm_configuration/lib/libLLVMAnalysis.a",
+    "$llvm_configuration/lib/libLLVMArchive.a",
+    "$llvm_configuration/lib/libLLVMARMAsmParser.a",
+    "$llvm_configuration/lib/libLLVMARMAsmPrinter.a",
+    "$llvm_configuration/lib/libLLVMARMCodeGen.a",
     "$llvm_configuration/lib/libLLVMARMDesc.a",
-	"$llvm_configuration/lib/libLLVMARMDisassembler.a",
-	"$llvm_configuration/lib/libLLVMARMInfo.a",
-	"$llvm_configuration/lib/libLLVMAsmParser.a",
-	"$llvm_configuration/lib/libLLVMAsmPrinter.a",
-	"$llvm_configuration/lib/libLLVMBitReader.a",
-	"$llvm_configuration/lib/libLLVMBitWriter.a",
-	"$llvm_configuration/lib/libLLVMCodeGen.a",
-	"$llvm_configuration/lib/libLLVMCore.a",
-	"$llvm_configuration/lib/libLLVMExecutionEngine.a",
-	"$llvm_configuration/lib/libLLVMInstCombine.a",
-	"$llvm_configuration/lib/libLLVMInstrumentation.a",
-	"$llvm_configuration/lib/libLLVMipa.a",
-	"$llvm_configuration/lib/libLLVMInterpreter.a",
-	"$llvm_configuration/lib/libLLVMipo.a",
-	"$llvm_configuration/lib/libLLVMJIT.a",
-	"$llvm_configuration/lib/libLLVMLinker.a",
-	"$llvm_configuration/lib/libLLVMMC.a",
-	"$llvm_configuration/lib/libLLVMMCParser.a",
-	"$llvm_configuration/lib/libLLVMMCDisassembler.a",
+    "$llvm_configuration/lib/libLLVMARMDisassembler.a",
+    "$llvm_configuration/lib/libLLVMARMInfo.a",
+    "$llvm_configuration/lib/libLLVMAsmParser.a",
+    "$llvm_configuration/lib/libLLVMAsmPrinter.a",
+    "$llvm_configuration/lib/libLLVMBitReader.a",
+    "$llvm_configuration/lib/libLLVMBitWriter.a",
+    "$llvm_configuration/lib/libLLVMCodeGen.a",
+    "$llvm_configuration/lib/libLLVMCore.a",
+    "$llvm_configuration/lib/libLLVMExecutionEngine.a",
+    "$llvm_configuration/lib/libLLVMInstCombine.a",
+    "$llvm_configuration/lib/libLLVMInstrumentation.a",
+    "$llvm_configuration/lib/libLLVMipa.a",
+    "$llvm_configuration/lib/libLLVMInterpreter.a",
+    "$llvm_configuration/lib/libLLVMipo.a",
+    "$llvm_configuration/lib/libLLVMJIT.a",
+    "$llvm_configuration/lib/libLLVMLinker.a",
+    "$llvm_configuration/lib/libLLVMMC.a",
+    "$llvm_configuration/lib/libLLVMMCParser.a",
+    "$llvm_configuration/lib/libLLVMMCDisassembler.a",
     "$llvm_configuration/lib/libLLVMMCJIT.a",
     "$llvm_configuration/lib/libLLVMObject.a",
     "$llvm_configuration/lib/libLLVMRuntimeDyld.a",
-	"$llvm_configuration/lib/libLLVMScalarOpts.a",
-	"$llvm_configuration/lib/libLLVMSelectionDAG.a",
-	"$llvm_configuration/lib/libLLVMSupport.a",
-	"$llvm_configuration/lib/libLLVMTarget.a",
-	"$llvm_configuration/lib/libLLVMTransformUtils.a",
-	"$llvm_configuration/lib/libLLVMX86AsmParser.a",
-	"$llvm_configuration/lib/libLLVMX86AsmPrinter.a",
-	"$llvm_configuration/lib/libLLVMX86CodeGen.a",
+    "$llvm_configuration/lib/libLLVMScalarOpts.a",
+    "$llvm_configuration/lib/libLLVMSelectionDAG.a",
+    "$llvm_configuration/lib/libLLVMSupport.a",
+    "$llvm_configuration/lib/libLLVMTarget.a",
+    "$llvm_configuration/lib/libLLVMTransformUtils.a",
+    "$llvm_configuration/lib/libLLVMX86AsmParser.a",
+    "$llvm_configuration/lib/libLLVMX86AsmPrinter.a",
+    "$llvm_configuration/lib/libLLVMX86CodeGen.a",
     "$llvm_configuration/lib/libLLVMX86Desc.a",
-	"$llvm_configuration/lib/libLLVMX86Disassembler.a",
-	"$llvm_configuration/lib/libLLVMX86Info.a",
+    "$llvm_configuration/lib/libLLVMX86Disassembler.a",
+    "$llvm_configuration/lib/libLLVMX86Info.a",
     "$llvm_configuration/lib/libLLVMX86Utils.a",
 );
 
@@ -111,20 +111,18 @@
 else
 {
     print "Checking out llvm sources from revision $llvm_revision...\n";
-    do_command ("cd '$SRCROOT' && svn co --quiet --revision $llvm_revision http://llvm.org/svn/llvm-project/llvm/trunk llvm", "checking out llvm from repository", 1); 
+    do_command ("cd '$SRCROOT' && svn co --quiet --revision $llvm_revision http://llvm.org/svn/llvm-project/llvm/trunk llvm", "checking out llvm from repository", 1);
     print "Checking out clang sources from revision $clang_revision...\n";
     do_command ("cd '$llvm_srcroot/tools' && svn co --quiet --revision $clang_revision http://llvm.org/svn/llvm-project/cfe/trunk clang", "checking out clang from repository", 1);
     print "Applying any local patches to LLVM/Clang...";
-    
+
     my @llvm_patches = bsd_glob("$ENV{SRCROOT}/scripts/llvm.*.diff");
-    
     foreach my $patch (@llvm_patches)
     {
         do_command ("cd '$llvm_srcroot' && patch -p0 < $patch");
     }
 
     my @clang_patches = bsd_glob("$ENV{SRCROOT}/scripts/clang.*.diff");
-    
     foreach my $patch (@clang_patches)
     {
         do_command ("cd '$llvm_srcroot/tools/clang' && patch -p0 < $patch");
@@ -134,7 +132,7 @@
 # If our output file already exists then we need not generate it again.
 if (-e $llvm_clang_outfile)
 {
-	exit 0;
+    exit 0;
 }
 
 
@@ -144,101 +142,101 @@
 
 sub parallel_guess
 {
-	my $cpus = `sysctl -n hw.availcpu`;
-	chomp ($cpus);
-	my $memsize = `sysctl -n hw.memsize`;
-	chomp ($memsize);
-	my $max_cpus_by_memory = int($memsize / (750 * 1024 * 1024));
-	return min($max_cpus_by_memory, $cpus);
+    my $cpus = `sysctl -n hw.availcpu`;
+    chomp ($cpus);
+    my $memsize = `sysctl -n hw.memsize`;
+    chomp ($memsize);
+    my $max_cpus_by_memory = int($memsize / (750 * 1024 * 1024));
+    return min($max_cpus_by_memory, $cpus);
 }
+
 sub build_llvm
 {
-	#my $extra_svn_options = $debug ? "" : "--quiet";
-	# Make the llvm build directory
+    #my $extra_svn_options = $debug ? "" : "--quiet";
+    # Make the llvm build directory
     my $arch_idx = 0;
     foreach my $arch (@archs)
     {
         my $llvm_dstroot_arch = "${llvm_dstroot}/${arch}";
 
-		# if the arch destination root exists we have already built it
-		my $do_configure = 0;
-		my $do_make = 0;
-		my $is_arm = $arch =~ /^arm/;
-        
-		my $llvm_dstroot_arch_archive = "$llvm_dstroot_arch/$llvm_clang_basename";
-		print "LLVM architecture root for ${arch} exists at '$llvm_dstroot_arch'...";
-		if (-e $llvm_dstroot_arch)
-		{
-			print "YES\n";
-			$do_configure = !-e "$llvm_dstroot_arch/config.log";
-			
-			# dstroot for llvm build exists, make sure all .a files are built
-			for my $llvm_lib (@archive_files)
-			{
-				if (!-e "$llvm_dstroot_arch/$llvm_lib")
-				{
-					print "missing archive: '$llvm_dstroot_arch/$llvm_lib'\n";
-					$do_make = 1;
-				}
-			}	
-			if (!-e $llvm_dstroot_arch_archive)
-			{
-				$do_make = 1;
-			}
-			else
-			{
-				print "LLVM architecture archive for ${arch} is '$llvm_dstroot_arch_archive'\n";
-			}		
-		}
-		else
-		{
-			print "NO\n";
-	        do_command ("mkdir -p '$llvm_dstroot_arch'", "making llvm build directory '$llvm_dstroot_arch'", 1);
-			$do_configure = 1;
-			$do_make = 1;
-
-			if ($is_arm)
-			{
-		        my $llvm_dstroot_arch_bin = "${llvm_dstroot_arch}/bin";
-
-				if (!-d $llvm_dstroot_arch_bin)
-				{
-					do_command ("mkdir -p '$llvm_dstroot_arch_bin'", "making llvm build arch bin directory '$llvm_dstroot_arch_bin'", 1);
-					my @tools = ("ar", "nm", "ranlib", "strip", "lipo", "ld", "as");
-					my $script_mode = 0755;
-					my $prog;
-					for $prog (@tools)
-					{
-					   	chomp(my $actual_prog_path = `xcrun -sdk '$ENV{SDKROOT}' -find ${prog}`);
-					   	my $script_prog_path = "$llvm_dstroot_arch_bin/arm-apple-darwin${os_release}-${prog}";
-						open (SCRIPT, ">$script_prog_path") or die "Can't open $! for writing...\n";
-						print SCRIPT "#!/bin/sh\nexec '$actual_prog_path' \"\$\@\"\n";
-						close (SCRIPT);
-					   	chmod($script_mode, $script_prog_path);
-					}
-					#  Tools that must have the "-arch" and "-sysroot" specified
-					my @arch_sysroot_tools = ("clang", "clang++", "gcc", "g++");
-					for $prog (@arch_sysroot_tools)
-					{
-					   	chomp(my $actual_prog_path = `xcrun -sdk '$ENV{SDKROOT}' -find ${prog}`);
-					   	my $script_prog_path = "$llvm_dstroot_arch_bin/arm-apple-darwin${os_release}-${prog}";
-						open (SCRIPT, ">$script_prog_path") or die "Can't open $! for writing...\n";
-						print SCRIPT "#!/bin/sh\nexec '$actual_prog_path' -arch ${arch} -isysroot '$ENV{SDKROOT}' \"\$\@\"\n";
-						close (SCRIPT);
-					   	chmod($script_mode, $script_prog_path);
-					}
-					my $new_path = "$original_env_path:$llvm_dstroot_arch_bin";
-					print "Setting new environment PATH = '$new_path'\n";
-			        $ENV{PATH} = $new_path;
-				}
-			}
-		}
-		
-		if ($do_configure)
-		{
-			# Build llvm and clang
-	        print "Configuring clang ($arch) in '$llvm_dstroot_arch'...\n";
-			my $lldb_configuration_options = "--enable-targets=x86_64,arm $llvm_config_href->{configure_options}";
+        # if the arch destination root exists we have already built it
+        my $do_configure = 0;
+        my $do_make = 0;
+        my $is_arm = $arch =~ /^arm/;
+
+        my $llvm_dstroot_arch_archive = "$llvm_dstroot_arch/$llvm_clang_basename";
+        print "LLVM architecture root for ${arch} exists at '$llvm_dstroot_arch'...";
+        if (-e $llvm_dstroot_arch)
+        {
+            print "YES\n";
+            $do_configure = !-e "$llvm_dstroot_arch/config.log";
+
+            # dstroot for llvm build exists, make sure all .a files are built
+            for my $llvm_lib (@archive_files)
+            {
+                if (!-e "$llvm_dstroot_arch/$llvm_lib")
+                {
+                    print "missing archive: '$llvm_dstroot_arch/$llvm_lib'\n";
+                    $do_make = 1;
+                }
+            }
+            if (!-e $llvm_dstroot_arch_archive)
+            {
+                $do_make = 1;
+            }
+            else
+            {
+                print "LLVM architecture archive for ${arch} is '$llvm_dstroot_arch_archive'\n";
+            }
+        }
+        else
+        {
+            print "NO\n";
+            do_command ("mkdir -p '$llvm_dstroot_arch'", "making llvm build directory '$llvm_dstroot_arch'", 1);
+            $do_configure = 1;
+            $do_make = 1;
+
+            if ($is_arm)
+            {
+                my $llvm_dstroot_arch_bin = "${llvm_dstroot_arch}/bin";
+                if (!-d $llvm_dstroot_arch_bin)
+                {
+                    do_command ("mkdir -p '$llvm_dstroot_arch_bin'", "making llvm build arch bin directory '$llvm_dstroot_arch_bin'", 1);
+                    my @tools = ("ar", "nm", "ranlib", "strip", "lipo", "ld", "as");
+                    my $script_mode = 0755;
+                    my $prog;
+                    for $prog (@tools)
+                    {
+                        chomp(my $actual_prog_path = `xcrun -sdk '$ENV{SDKROOT}' -find ${prog}`);
+                        my $script_prog_path = "$llvm_dstroot_arch_bin/arm-apple-darwin${os_release}-${prog}";
+                        open (SCRIPT, ">$script_prog_path") or die "Can't open $! for writing...\n";
+                        print SCRIPT "#!/bin/sh\nexec '$actual_prog_path' \"\$\@\"\n";
+                        close (SCRIPT);
+                        chmod($script_mode, $script_prog_path);
+                    }
+                    #  Tools that must have the "-arch" and "-sysroot" specified
+                    my @arch_sysroot_tools = ("clang", "clang++", "gcc", "g++");
+                    for $prog (@arch_sysroot_tools)
+                    {
+                        chomp(my $actual_prog_path = `xcrun -sdk '$ENV{SDKROOT}' -find ${prog}`);
+                        my $script_prog_path = "$llvm_dstroot_arch_bin/arm-apple-darwin${os_release}-${prog}";
+                        open (SCRIPT, ">$script_prog_path") or die "Can't open $! for writing...\n";
+                        print SCRIPT "#!/bin/sh\nexec '$actual_prog_path' -arch ${arch} -isysroot '$ENV{SDKROOT}' \"\$\@\"\n";
+                        close (SCRIPT);
+                        chmod($script_mode, $script_prog_path);
+                    }
+                    my $new_path = "$original_env_path:$llvm_dstroot_arch_bin";
+                    print "Setting new environment PATH = '$new_path'\n";
+                    $ENV{PATH} = $new_path;
+                }
+            }
+        }
+
+        if ($do_configure)
+        {
+            # Build llvm and clang
+            print "Configuring clang ($arch) in '$llvm_dstroot_arch'...\n";
+            my $lldb_configuration_options = "--enable-targets=x86_64,arm $llvm_config_href->{configure_options}";
 
             if ($is_arm)
             {
@@ -248,145 +246,143 @@
             {
                 $lldb_configuration_options .= " --build=$arch-apple-darwin${os_release}";
             }
-	        do_command ("cd '$llvm_dstroot_arch' && '$llvm_srcroot/configure' $lldb_configuration_options",
-	                    "configuring llvm build", 1);			
-		}
-
-		if ($do_make)
-		{
-			# Build llvm and clang
-			my $num_cpus = parallel_guess();
-			print "Building clang using $num_cpus cpus ($arch)...\n";
+            do_command ("cd '$llvm_dstroot_arch' && '$llvm_srcroot/configure' $lldb_configuration_options",
+                        "configuring llvm build", 1);
+        }
+
+        if ($do_make)
+        {
+            # Build llvm and clang
+            my $num_cpus = parallel_guess();
+            print "Building clang using $num_cpus cpus ($arch)...\n";
             my $extra_make_flags = '';
             if ($is_arm)
             {
                 $extra_make_flags = "UNIVERSAL=1 UNIVERSAL_ARCH=${arch} UNIVERSAL_SDK_PATH='$ENV{SDKROOT}'";
             }
-            do_command ("cd '$llvm_dstroot_arch' && make -j$num_cpus clang-only VERBOSE=1 $llvm_config_href->{make_options} NO_RUNTIME_LIBS=1 PROJECT_NAME='llvm' $extra_make_flags", "making llvm and clang", 1);			
-            do_command ("cd '$llvm_dstroot_arch' && make -j$num_cpus tools-only VERBOSE=1 $llvm_config_href->{make_options} NO_RUNTIME_LIBS=1 PROJECT_NAME='llvm' $extra_make_flags EDIS_VERSION=1", "making libedis", 1);			
-			# Combine all .o files from a bunch of static libraries from llvm
-			# and clang into a single .a file.
-			create_single_llvm_arhive_for_arch ($llvm_dstroot_arch, 1);
-		}
+            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' $extra_make_flags", "making llvm and clang", 1);
+            do_command ("cd '$llvm_dstroot_arch' && make -j$num_cpus tools-only VERBOSE=1 $llvm_config_href->{make_options} NO_RUNTIME_LIBS=1 PROJECT_NAME='llvm' $extra_make_flags EDIS_VERSION=1", "making libedis", 1);
+            # Combine all .o files from a bunch of static libraries from llvm
+            # and clang into a single .a file.
+            create_single_llvm_arhive_for_arch ($llvm_dstroot_arch, 1);
+        }
 
-		++$arch_idx;
-    }	
+        ++$arch_idx;
+    }
 }
 
 #----------------------------------------------------------------------
-# quote the path if needed and realpath it if the -r option was 
+# quote the path if needed and realpath it if the -r option was
 # specified
 #----------------------------------------------------------------------
 sub finalize_path
 {
-	my $path = shift;
-	# Realpath all paths that don't start with "/"
-	$path =~ /^[^\/]/ and $path = abs_path($path);
-
-	# Quote the path if asked to, or if there are special shell characters
-	# in the path name
-	my $has_double_quotes = $path =~ /["]/;
-	my $has_single_quotes = $path =~ /[']/;
-	my $needs_quotes = $path =~ /[ \$\&\*'"]/;
-	if ($needs_quotes)
-	{
-		# escape and double quotes in the path
-		$has_double_quotes and $path =~ s/"/\\"/g;
-		$path = "\"$path\"";
-	}
-	return $path;
+    my $path = shift;
+    # Realpath all paths that don't start with "/"
+    $path =~ /^[^\/]/ and $path = abs_path($path);
+
+    # Quote the path if asked to, or if there are special shell characters
+    # in the path name
+    my $has_double_quotes = $path =~ /["]/;
+    my $has_single_quotes = $path =~ /[']/;
+    my $needs_quotes = $path =~ /[ \$\&\*'"]/;
+    if ($needs_quotes)
+    {
+        # escape and double quotes in the path
+        $has_double_quotes and $path =~ s/"/\\"/g;
+        $path = "\"$path\"";
+    }
+    return $path;
 }
 
 sub do_command
 {
-	my $cmd = shift;
-	my $description = @_ ? shift : "command";
-	my $die_on_fail = @_ ? shift : undef;
-	$debug and print "% $cmd\n";
-	system ($cmd);
-	if ($? == -1) 
-	{
+    my $cmd = shift;
+    my $description = @_ ? shift : "command";
+    my $die_on_fail = @_ ? shift : undef;
+    $debug and print "% $cmd\n";
+    system ($cmd);
+    if ($? == -1)
+    {
         $debug and printf ("error: %s failed to execute: $!\n", $description);
-		$die_on_fail and $? and exit(1);
-		return $?;
+        $die_on_fail and $? and exit(1);
+        return $?;
     }
-    elsif ($? & 127) 
-	{
-        $debug and printf("error: %s child died with signal %d, %s coredump\n", 
-						  $description, 
-						  ($? & 127),  
-						  ($? & 128) ? 'with' : 'without');
-		$die_on_fail and $? and exit(1);
-		return $?;
+    elsif ($? & 127)
+    {
+        $debug and printf("error: %s child died with signal %d, %s coredump\n",
+                          $description,
+                          ($? & 127),
+                          ($? & 128) ? 'with' : 'without');
+        $die_on_fail and $? and exit(1);
+        return $?;
     }
-    else 
-	{
-		my $exit = $? >> 8;
-		if ($exit)
-		{
-			$debug and printf("error: %s child exited with value %d\n", $description, $exit);
-			$die_on_fail and exit(1);
-		}
-		return $exit;
+    else
+    {
+        my $exit = $? >> 8;
+        if ($exit)
+        {
+            $debug and printf("error: %s child exited with value %d\n", $description, $exit);
+            $die_on_fail and exit(1);
+        }
+        return $exit;
     }
 }
 
 sub create_single_llvm_arhive_for_arch
 {
-	my $arch_dstroot = shift;
+    my $arch_dstroot = shift;
     my $split_into_objects = shift;
-	my @object_dirs;
-	my $object_dir;
-	my $tmp_dir = $arch_dstroot;
-	my $arch_output_file = "$arch_dstroot/$llvm_clang_basename";
+    my @object_dirs;
+    my $object_dir;
+    my $tmp_dir = $arch_dstroot;
+    my $arch_output_file = "$arch_dstroot/$llvm_clang_basename";
     -e $arch_output_file and return;
-	my $files = "$arch_dstroot/files.txt";
-	open (FILES, ">$files") or die "Can't open $! for writing...\n";
+    my $files = "$arch_dstroot/files.txt";
+    open (FILES, ">$files") or die "Can't open $! for writing...\n";
 
-	for my $path (@archive_files) 
-	{
-		my $archive_fullpath = finalize_path ("$arch_dstroot/$path");
-		if (-e $archive_fullpath)
-		{
+    for my $path (@archive_files)
+    {
+        my $archive_fullpath = finalize_path ("$arch_dstroot/$path");
+        if (-e $archive_fullpath)
+        {
             if ($split_into_objects)
             {
                 my ($archive_file, $archive_dir, $archive_ext) = fileparse($archive_fullpath, ('.a'));
-        
                 $object_dir = "$tmp_dir/$archive_file";
                 push @object_dirs, $object_dir;
-            
+
                 do_command ("cd '$tmp_dir'; mkdir '$archive_file'; cd '$archive_file'; ar -x $archive_fullpath");
-        
+
                 my @objects = bsd_glob("$object_dir/*.o");
-        
                 foreach my $object (@objects)
                 {
                     my ($o_file, $o_dir) = fileparse($object);
                     my $new_object = "$object_dir/${archive_file}-$o_file";
                     print FILES "$new_object\n";
                     do_command ("mv '$object' '$new_object'");
-                }				
+                }
             }
             else
             {
                 # just add the .a files into the file list
                 print FILES "$archive_fullpath\n";
             }
-		}
+        }
         else
         {
             print "warning: archive doesn't exist: '$archive_fullpath'\n";
         }
-	}
-	close (FILES);
+    }
+    close (FILES);
     do_command ("libtool -static -o '$arch_output_file' -filelist '$files'");
     do_command ("ranlib '$arch_output_file'");
 
-	foreach $object_dir (@object_dirs)
-	{
-		do_command ("rm -rf '$object_dir'");
-	}
-	do_command ("rm -rf '$files'");
+    foreach $object_dir (@object_dirs)
+    {
+        do_command ("rm -rf '$object_dir'");
+    }
+    do_command ("rm -rf '$files'");
 }
 
 build_llvm();





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