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|
#!/usr/bin/perl
#
# Perl script to beautify and enhance RTEMS configure.in
#
# Reads from stdin and writes to stdout
#
# usage:
# acpolish <configure.in >configure.in~
# mv configure.in~ configure.in
#
# $Id$
use strict ;
my @vars = () ;
my @buffer = () ;
my %var_ ;
# find relative up-path to VERSION
my $rtems_cfg = &find_file(".","VERSION");
my $rtems_root = &find_root() ;
$rtems_root =~ tr/\//\-/ ;
my $rtems_name = "rtems" ;
$rtems_name .= "-" . "$rtems_root" if (length($rtems_root) > 0 ) ;
while ( <> )
{
push @buffer, "$_" ;
}
{
my @tbuf = () ;
foreach ( @buffer )
{
if ( /^#.*list.*Makefile.*$/o ) {}
elsif ( /^dnl[\s]+check.*target.*cc.*$/o ) {}
elsif ( /^[\s]*AC_CONFIG_AUX_DIR\(.*\)[\s]*$/o )
{
push @tbuf, "AC_CONFIG_AUX_DIR($rtems_cfg)\n" ;
}
elsif ( /^[\s]*RTEMS_TOP\(.*\)[\s]*$/o )
{
push @tbuf, "RTEMS_TOP($rtems_cfg)\n" ;
}
elsif ( /^[\s]*AM_INIT_AUTOMAKE\(.*\)[\s]*$/o )
{
push @tbuf, "AM_INIT_AUTOMAKE($rtems_name,\$RTEMS_VERSION,no)\n" ;
}
elsif ( /^[\s]*AC_SUBST\(RTEMS_HAS_POSIX_API\)[\s]*$/o )
{
#remove the line
}
elsif ( /^[\s]*AC_SUBST\(RTEMS_HAS_ITRON_API\)[\s]*$/o )
{
#remove the line
}
elsif ( /^[\s]*AC_SUBST\(RTEMS_HAS_HWAPI\)[\s]*$/o )
{
#remove the line
}
elsif ( /^[\s]*AC_SUBST\(RTEMS_USE_MACROS\)[\s]*$/o )
{
#remove the line
}
elsif ( /^[\s]*AC_SUBST\(RTEMS_HAS_MULTIPROCESSING\)[\s]*$/o )
{
#remove the line
}
elsif ( /^[\s]*AC_SUBST\(RTEMS_HAS_RDBG\)[\s]*$/o )
{
#remove the line
}
elsif ( /^[\s\t]*AC_SUBST\(RTEMS_USE_OWN_PDIR\)[\s]*$/o )
{ # obsolete option
#remove the line
}
elsif ( /^[\s\t]*RTEMS_ENABLE_GMAKE_PRINT[ ]*$/o )
{ # obsolete macro
#remove the line
}
elsif ( /^[\s]*AC_SUBST\(RTEMS_HAS_NETWORKING\)[\s]*$/o )
{
#remove the line
}
elsif ( /^[\s]*AC_SUBST\(RTEMS_LIBC_DIR\)[\s]*$/o )
{
#remove the line
}
elsif ( /^[\s]*AC_SUBST\(PROJECT_ROOT\)[\s]*$/o )
{
#remove the line
}
elsif ( /^[\s]*AC_SUBST\(RTEMS_GAS_CODE16\)[\s]*$/o )
{
#remove the line
}
elsif ( /^[\s]*PROJECT_ROOT[\s]*=.*$/o )
{
#remove the line
}
elsif ( /^[\s]*(RTEMS_ENABLE_LIBCDIR).*$/o )
{ #remove the line
&define_variable("$1","");
push @tbuf, "$_" ;
}
elsif ( /^[\s]*(RTEMS_PROG_CC_FOR_TARGET).*$/o )
{
&define_variable("$1","");
push @tbuf, "$_" ;
}
elsif ( /^[\s]*(RTEMS_PROG_CXX_FOR_TARGET).*$/o )
{
&define_variable("$1","");
push @tbuf, "$_" ;
}
else
{
push @tbuf, "$_" ;
}
} # foreach
@buffer = @tbuf ;
}
{
my @tbuf = () ;
foreach ( @buffer )
{
if ( /^[\s]*(RTEMS_ENABLE_LIBCDIR).*$/o )
{
if ( ( not variable_seen( "RTEMS_PROG_CC_FOR_TARGET" ) )
and ( not variable_seen( "RTEMS_PROG_CXX_FOR_TARGET" ) )
)
{
push @tbuf, "$_" ;
}
}
elsif ( /^AC_OUTPUT.*$/o )
{
push @tbuf, "# Explicitly list all Makefiles here\n" ;
push @tbuf, "$_" ;
}
else
{
push @tbuf, "$_" ;
}
}
@buffer = @tbuf ;
}
{ ## pretty print
my $out = join ('',@buffer) ;
$out =~ s/\s\#\n(\#\n)+/\n/g ;
$out =~ s/\n\n\#\n\n/\n/g ;
$out =~ s/\n\n[\n]*/\n\n/g ;
print $out ;
}
exit 1 ;
# find a relative up-path to a file $file, starting at directory $pre
sub find_file($$)
{
my $pre = $_[0] ;
my $file= $_[1] ;
my $top = "." ;
if (not "$pre") { $pre = "." ; }
for ( my $str = "$pre" . "/" . "$top" ;
( -d "$str" ) ;
$str = "$pre" . "/" . "$top" )
{
if ( -f "${str}/${file}" )
{
return $top ;
}
if ( "$top" eq "." )
{
$top = ".." ;
}
else
{
$top .= "/.." ;
}
} ;
die "Can't find file ${file}\n" ;
}
sub find_root()
{
my $top_builddir = "." ;
my $subdir="";
my $pwd = `pwd`; chomp $pwd;
$pwd .= "/" ;
my $len ;
if ( -f "VERSION" ) { return $subdir ; }
my $i = rindex($pwd,'/');
$len = $i;
$pwd = substr($pwd,0,$len);
$i = rindex($pwd,'/');
$subdir = substr($pwd,$i+1,$len - 1);
$top_builddir = ".." ;
while( -d "$top_builddir" )
{
if ( -f "${top_builddir}/VERSION" )
{
return $subdir ;
}
$len=$i;
$pwd = substr($pwd,0,$len);
$i = rindex($pwd,'/');
$subdir = substr($pwd,$i+1,$len - 1) . "/$subdir";
$top_builddir .= "/.." ;
} ;
die "Can't find VERSION\n" ;
}
sub variable_seen($)
{
my $label = "$_[0]" ;
my $res = defined $var_{"$label"};
#print STDERR "SEEN: $label ->$res<\n" ;
return $res ;
}
sub define_variable($$)
{
my ($label,@value) = @_ ;
if ( not variable_seen("$label") )
{
# print STDERR "DEFINING $label\n" ;
push @vars, "$label" ;
}
foreach my $i ( @{value} )
{
push @{$var_{"$label"}}, $i ;
}
}
|
