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[/] [openrisc/] [trunk/] [rtos/] [rtems/] [tools/] [update/] [acpolish] - Rev 820
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#!/usr/bin/perl
use strict ;
sub print_macro($$);
#
# Perl script to beautify and enhance RTEMS autoconf Makefile.ins
#
# Reads from stdin and writes to stdout
#
# usage:
# acpolish <Makefile.in >Makefile.in~
# mv Makefile.in~ Makefile.in
#
# Note: This tool is not indented to be exported from the source-tree
#
if ( -f "Makefile.am" )
{
# Refuse to work on Makefile.ins generated from automake;
# redirecting STDOUT to Makefile.in will trash the Makefile.in ;-
die "acpolish must not be run in automake directories" ;
}
my $experimental = 0 ; # enable experimental/unsafe features
my $verbose = 0 ;
my $build_pgms_seen = "" ;
my $make_exe_seen = 0 ;
my $install_seen = 0 ;
my $top_builddir = "";
my $subdir = "";
my @installdirs = () ;
my @pieces = () ;
my @files = () ;
my @variants = () ;
my @vars = () ;
# Strip off duplicate entries from a list
sub purge($)
{
my $list = $_[0] ; # Reference to list !
my (@tmp) = () ;
foreach my $l ( @{$list} )
{
my $i = 1 ;
foreach my $t (@tmp)
{
if ( $t eq $l )
{
$i = 0 ;
last ;
}
}
push @tmp,$l if ($i) ;
}
@{$list} = @tmp ;
}
sub find_root
{
$top_builddir = "." ;
$subdir="";
my $pwd = `pwd`; chomp $pwd;
$pwd .= "/" ;
my $len ;
if ( -f "configure.in" ) { return $top_builddir ; }
my $i = rindex($pwd,'/');
$len = $i;
$pwd = substr($pwd,0,$len);
$i = rindex($pwd,'/');
$subdir = substr($pwd,$i+1,$len - 1);
$top_builddir = ".." ;
while( -d "$top_builddir" )
{
if ( -f "${top_builddir}/configure.in" )
{
return $top_builddir ;
}
$len=$i;
$pwd = substr($pwd,0,$len);
$i = rindex($pwd,'/');
$subdir = substr($pwd,$i+1,$len - 1) . "/$subdir";
$top_builddir .= "/.." ;
} ;
die "Can't find configure.in\n" ;
}
find_root();
my @buffer = () ;
sub subst_line
{
# substitute obsolete variables
if ( /^([^\s]*)[\s]+$/o )
{ # strip trailing spaces
$_ = "$1\n";
}
if ( /^(.*)MKLIB(.*)$/o )
{
s/MKLIB/RANLIB/g ;
}
if ( /^(.*)\$\(INSTINCFLAGS\)(.*)$/o )
{
s/\$\(INSTINCFLAGS\)/-m 644/g ;
}
if ( /^(.*)ASM(_FILES|_PIECES|_O_FILES)(.*)$/o )
{
s/ASM_FILES/S_FILES/g ;
s/ASM_PIECES/S_PIECES/g ;
s/ASM_O_FILES/S_O_FILES/g ;
print STDERR "ASM: $_" if ( $verbose > 0) ;
}
if ( /^(.*)MP_PIECES(.*)$/o )
{ # HACK: this is not always correct
s/MP_PIECES/MP_C_PIECES/g ;
print STDERR "MP_PIECES: $_" if ( $verbose > 0 );
}
if ( /^(.*)\$\(RTEMS_BSP\)(.*)$/o )
{
s/\$\(RTEMS_BSP\)/\@RTEMS_BSP\@/g ;
}
if ( /^(.*)\$\(RTEMS_ROOT\)\/mkinstalldirs(.*)$/o )
{
$_ = "$1\$\(mkinstalldirs\)$2\n" ;
}
if ( /^(.*)\$\{(.*)_FILES\}(.*)$/o )
{
$_ = "$1\$\($2_FILES\)$3\n" ;
}
if ( /^(.*)\$\{(.*)_PIECES\}(.*)$/o )
{
$_ = "$1\$\($2_PIECES\)$3\n" ;
}
if ( /^(.*)\$\(PROJECT_ROOT\)\/\@RTEMS_BSP\@\/lib\/include(.*)$/o )
{
$_ = "$1\$\(PROJECT_INCLUDE\)$2\n" ;
}
if ( /^(.*)\$\{PROJECT_RELEASE\}(.*)$/o )
{
$_ = "$1\$\(PROJECT_RELEASE\)$2\n" ;
}
if ( /^(.*\$\(INSTALL_[A-Z]+\))[\s]+-m[\s]+([54])([0-9][0-9].*)$/o )
{
my $v = $2 + 2 ;
$_ = "$1 -m $v$3\n" ;
}
if ( /^H_FILES[\s]*=[\s]*\$\(wildcard[\s]+\$\(srcdir\)\/\*\.h\)[\s]*$/o )
{
my $files =`ls *.h 2>/dev/null`;
print STDERR "WARNING: Replacing \"\(wildcard... in $_\n" ;
my $line = "H_FILES =";
my @l = split(' ',$files) ;
foreach(@l) { $line .= " \$\(srcdir\)/$_"; }
$line .= "\n" ;
$_ = "$line" ;
}
if ( /^(.*)RTEMS_HAS_([A-Z]+)(.*)$/o )
{
print STDERR "WARNING: Replacing RTEMS_HAS_$2 with HAS_$2\n" ;
$_ = "$1HAS_$2$3\n" ;
}
if ( /^[\s]*\$[({]PGM[)}]:[\s]*(.*)\$([({]SRCS[)}])(.*)$/o )
{
$_ = "\$(PGM):$1$3\n" ;
}
if ( /^.*\$\(make\-exe\).*$/o )
{
$make_exe_seen = 1 ;
}
if ( /^.*\$\(INSTALL_(DATA|SCRIPT|PROGRAM)\)(.*)$/o )
{
$install_seen = 1 ;
}
}
{
# 1st PASS:
# * Read input file
# * concatenate multiple lines
# * Remove obsolete variables
my @ibuf = () ;
my $line = "" ;
while ( <STDIN> )
{
&subst_line ;
if ( /^(#.*)$/o )
{ # preserve comments
$line = "$_" ;
push @ibuf, $line ;
$line = "" ;
}
elsif ( /^.*\\$/o )
{ # multilines
chop ;
$line .= "$_\\" ;
}
else
{
$line .= "$_" ;
push @ibuf, $line ;
$line = "" ;
}
}
@buffer = @ibuf;
}
{
# 2nd PASS:
# * remove automatically generated lines
# * process some selected make rules
my $line = "" ;
my @tbuf = () ;
foreach (@buffer)
{
if ( /^[\t](.*)$/o )
{ # make rule production
my $line = $1 ;
tr/\\/ / ;
my @l = split(/;/,$_);
foreach (@l)
{ # try to get installation directories
if ( /^.*\$\(mkinstalldirs\).*\s\$\(INSTALLDIRS\)$/o )
{
}
elsif ( /^.*\$\(mkinstalldirs\).*\s([^\s]+)$/o )
{
push @installdirs, "$1" ;
}
elsif ( /^.*\$\(INSTALL_CHANGE\).*\s([^\s]+)(\/[^\.\s]+\.[^\s\/]+)$/o )
{
# print STDERR "WARNING - DIR1: $1 <$2> " ;
push @installdirs, "$1" ;
}
elsif ( /^.*\$\(INSTALL_CHANGE\).*\s([^\s]+)$/o )
{
# print STDERR "DIR2 $1\n" ;
push @installdirs, "$1" ;
}
}
}
elsif ( /^[\s]*\#.*$/o )
{ # comment
push @tbuf, "$_" ;
}
elsif ( /^[\s]*([A-Z_]*)_FILES[\s]*\=[\s]*(.*)$/o )
{ # *_FILES = ... Macros
if ( /^[\s]*([A-Z_]*_|)(CC|C|EQ|H|I|O|S|X)_FILES[\s]*\=[\s]*(.*)$/o )
{
# print STDERR "FILES: <$1>--<$2>--<$3>\n" ;
my $f = "$1$2_FILES" ;
${"var_$f"}="$3" ;
if ( ( $experimental > 0 )
and ( ( "$2" eq "C" ) or ( "$2" eq "CC" ) or ( "$2" eq "S" )
or ( "$2" eq "I" ) or ( "$2" eq "H" ) ) )
{
my $p = "$1$2_PIECES" ;
if ( not defined ${"var_$p"} )
{
print STDERR "ADDING $p\n" ;
${"var_$p"} = "" ;
push @pieces, "$p" ;
}
}
# place a marker
push @files, "$f" ;
}
else
{ # found a bug
print STDERR "UNKNOWN _FILES: $_\n" ;
my $f = "$1_FILES" ;
${"var_$f"}="$2" ;
# place a marker
push @files, "$f" ;
}
}
elsif ( /^[\s]*([A-Z_]*)_PIECES[\s]*\=[\s]*(.*)$/o )
{ # *_PIECES = ... Macros
if ( /^[\s]*([A-Z][A-Z0-9_]*_|)(CC|C|EQ|H|I|O|S|X|REL)_PIECES[\s]*\=[\s]*(.*)$/o )
{
my $p = "$1$2_PIECES" ;
if ( not defined ${"var_$p"} )
{
${"var_$p"} = "$3" ;
push @pieces, "$p" ;
}
else
{
${"var_$p"} .= " $3" ;
}
}
elsif ( /^[\s]*(BSP|CPU|GENERIC)_PIECES[\s]*\=[\s]*(.*)$/o )
{ # Explicit exceptions from the *_PIECES naming conventions
# They should better be replaced in future
my $p = "$1_PIECES" ;
${"var_$p"}="$2" ;
# place a marker
push @pieces, "$p" ;
}
else
{ # found a bug
print STDERR "UNKNOWN _PIECES: $_\n" ;
my $p = "$1_PIECES" ;
${"var_$p"}="$2" ;
# place a marker
push @pieces, "$p" ;
}
}
elsif ( /^[\s]*([A-Z_]+)_PIECES_([^\s]+)_V[\s]*\=[\s]*(.*)$/o )
{ # *_PIECES_.._V = ... Macros
if ( /^[\s]*([A-Z][A-Z0-9_]*_|)(CC|C|EQ|H|I|O|S|X|REL)_PIECES_([^\s]+)_V[\s]*\=[\s]*(.*)$/o )
{
my @l = split(/_/,$3);
my $v = "$1$2-$#l" ;
if ( not defined @{"variants_$v"} ) { push @variants, "$v" ; }
my $p = "$1$2_PIECES_$3_V" ;
push @{"variants_${v}"}, "$p" ;
${"var_$p"}="$4" ;
# place a marker
push @pieces, "$p" ;
}
else
{ # found a bug
print STDERR "UNKNOWN _PIECES: $_\n" ;
my $p = "$1_PIECES" ;
${"var_$p"}="$2" ;
# place a marker
push @pieces, "$p" ;
}
}
elsif ( /^[\s]*([^\s+=]+)[\s]*\=[\s]*(.*)$/o )
{ # makefile variables
if ( ( "$1" eq "subdir" )
or ( "$1" eq "top_srcdir" )
or ( "$1" eq "top_builddir" )
or ( "$1" eq "RTEMS_ROOT" )
or ( "$1" eq "PROJECT_ROOT" )
or ( "$1" eq "INSTALL" )
or ( "$1" eq "PACKHEX" )
or ( "$1" eq "INSTALL_CHANGE" )
or ( "$1" eq "mkinstalldirs" )
or ( "$1" eq "ACLOCAL" )
or ( "$1" eq "AUTOCONF" )
or ( "$1" eq "ACLOCAL_M4" )
or ( "$1" eq "ACLOCAL_AMFLAGS" )
)
{
print STDERR "REMOVE: $1\n" if $verbose ;
}
elsif ( "$1" eq "srcdir" )
{ # place marker
}
elsif ( "$1" eq "INSTALLDIRS" )
{ # process the block
my $input = $2 ;
$input =~ s/\\\\/ /g ;
my @l = split(' ',$input);
foreach (@l)
{
if ( /[\s]*([^\s]+)[\s]*$/o )
{
push @installdirs, "$1" ;
}
}
}
else
{
# print STDERR "MACRO: <$1> = <$2>\n";
my $p = "$1" ;
${"var_$p"}="$2" ;
# place a marker
push @vars, "$p" ;
}
}
elsif ( /^[\s]*([^\s+=]+)[\s]*\+\=[\s]*(.*)$/o )
{ # makefile variable addition
# print STDERR "MACRO: <$1> += <$2>\n";
my $p = "$1" ;
if ( not defined ${"var_$p+"} )
{
# place a marker
push @vars, "$p+" ;
}
else
{
print STDERR "WARNING += $_" ;
}
${"var_$p+"} .=" $2" ;
}
elsif ( /^[\s]*(\@[^\s]+\@)$/o )
{ # autoconf variable
if ( "$1" eq "\@SET_MAKE\@" )
{
}
else
{
push @tbuf, "$1\n" ;
}
}
elsif ( /^[\s]*include[\s]+(.*)$/o )
{ # include line
push @tbuf, "$_" ;
if ( /^include[\s\t]*.*(directory|leaf|lib)\.cfg.*$/o )
{
push @tbuf, "PACKHEX = \@PACKHEX\@\n" if ( $make_exe_seen == 1 ) ;
}
}
elsif ( /^[\s]*(ifeq|ifneq|else|endif)[\s]+(.*)$/o )
{ # gmake conditionals
# Most of them are removed, but we still have some :-
push @tbuf, "$1 $2\n" ;
}
elsif ( /^\@.*_(TRUE|FALSE)\@.*$/o )
{ # automake conditionals
# HACK: Don't know how to handle them, so let's pass them through
push @tbuf, "$_" ;
}
elsif ( /^[\s]*([^:]+)[\s]*(:[:]*)[\s]*(.*)$/o )
{
if ( "$2" eq "::" )
{
# Warn about "::"-rules
# Will be silently removed below.
print STDERR "WARNING: Removing \"::\" in RULE $_\n" ;
}
if ( ( "$1" eq "Makefile" )
or ( "$1" eq "\$\(INSTALLDIRS\)" )
or ( "$1" eq "\$\(ACLOCAL_M4\)" )
or ( "$1" eq "config\.status" )
or ( "$1" eq "\$\(srcdir\)/configure" )
)
{ # delete entry
shift @buffer ;
}
elsif ( ( "$1" eq "all" )
or ( "$1" eq "preinstall" ) )
{
# Note the dependencies
# Not yet exploited, but could be useful for dependency
# tracking in future
if ( defined ${"var_$1"} )
{ ${"var_$1"} .= " $3" ; }
else
{ ${"var_$1"} = "$3" ; }
push @tbuf, "$1: $3\n" ;
}
else
{ # make rule
push @tbuf, "$1: $3\n" ;
}
}
elsif ( /^[\s]*$/o )
{ # empty line
push @tbuf, "\n" ;
}
else
{
die "PASS 2: Unhandled $_" ;
}
}
@buffer = @tbuf ;
@tbuf = @installdirs ;
@installdirs = () ;
foreach ( @tbuf )
{
if ( /^([^\s]+)(\/[^\.\s]+\.[^\s\/]+)$/o )
{
print STDERR "WARNING - stripping of file: $1 <$2> " if ( $verbose > 1 );
push @installdirs, "$1" ;
}
else
{
push @installdirs, "$_" ;
}
}
purge \@installdirs ;
purge \@pieces ;
}
# A fragment to debug conditionals
#foreach( @variants )
#{
# my $v = $_ ;
# print STDERR "VARIANT: $v\n";
# foreach (@{"variants_${v}"})
# {
# print STDERR "* $_\n;" ;
# }
#}
# sanity check on *_FILES macros
# too fragile for the time being,
# therefore disabled by default
if ( $experimental > 1 )
{
foreach( @files )
{
my $file = "$_" ;
my $line = ${"var_$_"} ;
$line =~ tr /\\/ /;
my @l = split(' ',$line);
my @o = () ;
foreach (@l)
{
if ( /^([^\.]+)\.([a-z]+)$/o )
{
print STDERR "$file: *.$2 in $_\n" ;
}
elsif ( /^\$\(.*\)$/o )
{
print STDERR "$file: REF: $_\n" ;
}
else
{
print STDERR "$file: UNHANDLED: $_\n" ;
}
}
}
}
# print STDERR "PASS 2: @buffer" ;
{
# PASS 3:
# * output to new Makefile
# * prettyprint newlines
my $nl_seen = 0 ;
foreach ( @buffer )
{
if ( /^$/o )
{
$nl_seen++ ;
print "\n" if ( $nl_seen < 2 );
}
{
print "\@SET_MAKE\@\n" ;
print "srcdir = \@srcdir\@\n" ;
print "top_srcdir = \@top_srcdir\@\n" ;
print "top_builddir = $top_builddir\n" ;
if ( "$subdir" )
{
print "subdir = $subdir\n";
}
else
{
print "\nACLOCAL = aclocal\n" ;
print "AUTOCONF = autoconf\n" ;
print "ACLOCAL_M4 = \$(top_srcdir)/aclocal.m4\n" ;
print "ACLOCAL_AMFLAGS = -I \@RTEMS_TOPdir\@/aclocal\n" ;
}
print "\nRTEMS_ROOT = \@RTEMS_ROOT\@\n" ;
print "PROJECT_ROOT = \@PROJECT_ROOT\@\n\n" ;
$nl_seen = 1 ;
}
{
print "\n" ;
print "INSTALL = \@INSTALL\@\n" if ( $install_seen > 0 );
print "INSTALL_CHANGE = \@INSTALL_CHANGE\@\n" ;
$nl_seen = 0 ;
}
{ # Handle installdirs related items
if ( $#installdirs >= 0 )
{
print "mkinstalldirs = \$(SHELL) \$(top_srcdir)/\@RTEMS_TOPdir\@/mkinstalldirs\n\n" ;
my $line = join( ' ',@installdirs );
&print_macro( "INSTALLDIRS =", $line );
print "\n\$(INSTALLDIRS):\n\t\@\$(mkinstalldirs) \$(INSTALLDIRS)\n\n" ;
$nl_seen = 1 ;
}
}
{ # pretty print a shell script fragment/make production
my @l = split(/\\\\/,$1);
if ( $#l >= 0 ) { my $i = shift @l ; print "\t$i"; }
foreach( @l ) { print "\\\n$_"; }
print "\n" ;
$nl_seen = 0 ;
}
{ # pretty print a make variable
&print_macro( "$1 =", ${"var_$1"} );
$nl_seen = 0 ;
}
{ # pretty print an addition to a make variable
&print_macro( "$1 +=", ${"var_$1+"}) ;
$nl_seen = 0 ;
}
else
{
$nl_seen = 0 ;
print "$_" ;
}
}
}
# Add rules for config.status generated files
if ( "$build_pgms_seen" )
{
print "%: \$(srcdir)/%.in \$(top_builddir)/config.status\n" ;
print " cd \$(top_builddir) \\\n" ;
print " && CONFIG_FILES=" ;
print "\$(subdir)/" if ( "$subdir" );
print "\$@ CONFIG_HEADERS= \$(SHELL) ./config.status\n";
}
else
{
print "Makefile: \$(srcdir)/Makefile.in \$(top_builddir)/config.status\n" ;
print "\tcd \$(top_builddir) \\\n" ;
print "\t && CONFIG_FILES=" ;
print "\$(subdir)/" if ( "$subdir" );
print "\$@ CONFIG_HEADERS= \$(SHELL) ./config.status\n";
}
if ( ! "$subdir" )
{
print "\n\$(ACLOCAL_M4): \@MAINTAINER_MODE_TRUE\@ configure.in\n" ;
print "\tcd \$(srcdir) && \$(ACLOCAL) \$(ACLOCAL_AMFLAGS)\n" ;
print "\nconfig.status: \$(srcdir)/configure \$(CONFIG_STATUS_DEPENDENCIES)\n" ;
print "\t\$(SHELL) ./config.status --recheck\n" ;
print "\$(srcdir)/configure: \@MAINTAINER_MODE_TRUE\@\$(srcdir)/configure.in";
print " \$(ACLOCAL_M4)\n" ;
print "\tcd \$(srcdir) && \$(AUTOCONF)\n"
}
exit 0 ;
sub print_macro($$)
{
my ($line,$input) = @_ ;
$input =~ s/\\\\/ /g;
my @l = split(' ',$input);
foreach (@l) {
if ( ( length($line) + length($_) ) < 76 )
{
$line .= " $_";
}
else
{
print "$line \\\n";
$line = " $_" ;
}
}
print "$line\n" ;
}
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