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|
#!/usr/bin/perl
#
# 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
#
# ATTENTION: This file contains embedded tabs
if ( -f "Makefile.am" )
{
# Refuse to work on autoconfiscated Makefile.ins;
# redirecting STDOUT to Makefile.in will trash the Makefile.in ;-
die "acpolish must not be run in autoconfiscated directories" ;
}
my $build_pgms_seen = "" ;
my $top_builddir = "";
my $subdir = "";
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 $nl_seen = 0 ;
while( <> )
{
if ( /^[ ]*$/o )
{
$nl_seen = $nl_seen+1;
}
if ( /^[ ]*srcdir[ ]*=.*$/o )
{
print "\@SET_MAKE\@\n" ;
print "$_" ;
print "top_srcdir = \@top_srcdir\@\n" ;
print "top_builddir = $top_builddir\n" ;
print "subdir = $subdir\n" if "$subdir" ;
print "\nINSTALL = \@INSTALL\@\n\n";
print "RTEMS_ROOT = \$(top_srcdir)/\@RTEMS_TOPdir\@\n" ;
print "PROJECT_ROOT = \@PROJECT_ROOT\@\n\n" ;
$nl_seen=1;
}
elsif ( /^[ ]*top_srcdir[ ]*=.*$/o )
{
# remove the line
}
elsif ( /^[ ]*top_builddir[ ]*=.*$/o )
{
# remove the line
}
elsif ( /^[ ]*Makefile:.*/o )
{ # consume the block
while( <> ) { last if /^[ ]*$/o ; }
}
elsif ( /^[ ]*%:[ ]\$\(srcdir\)\/%\.in.*$/o )
{ # consume the block
while( <> ) { last if /^[ ]*$/o ; }
}
elsif ( /^[ ]*RTEMS_ROOT[ ]*=.*$/o )
{
# remove the line
}
elsif ( /^[ ]*PROJECT_ROOT[ ]*=.*$/o )
{
# remove the line
}
elsif ( /^[ ]*INSTALL[ ]*=[ ]*\@INSTALL\@.*$/o )
{
# remove the line
}
elsif ( /^[ ]*subdir[ ]*=.*$/o )
{
# remove the line
}
elsif ( /^[ ]*\@SET_MAKE\@.*$/o )
{
# remove the line
}
elsif ( /^include[ ]*.*rtems\.cfg.*$/o )
{
# remove the line
}
elsif ( /^[ ]*BUILD_PGMS.*=.*$/o )
{
$build_pgms_seen = "true" ;
print "$_" ;
$nl_seen=0;
}
elsif ( /^[ ]*$/o )
{
print "$_" if $nl_seen < 2 ;
}
else
{
print "$_" ;
$nl_seen = 0;
}
} # while
print "\n" if $nl_seen < 1 ;
# Add rules for config.status generated files
if ( "$build_pgms_seen" )
{
print "%: \$(srcdir)/%.in \$(top_builddir)/config.status\n" ;
print " cd \$(top_builddir) \\\n" ;
print " && CONFIG_FILES=" ;
print "\$(subdir)/" if ( "$subdir" );
print "\$@ CONFIG_HEADERS= \$(SHELL) ./config.status\n";
}
else
{
print "Makefile: \$(srcdir)/Makefile.in \$(top_builddir)/config.status\n" ;
print " cd \$(top_builddir) \\\n" ;
print " && CONFIG_FILES=" ;
print "\$(subdir)/" if ( "$subdir" );
print "\$@ CONFIG_HEADERS= \$(SHELL) ./config.status\n";
}
;1
|
