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|
case $CONFIG in
'')
if test ! -f config.sh; then
ln ../config.sh . || \
ln ../../config.sh . || \
ln ../../../config.sh . || \
(echo "Can't find config.sh."; exit 1)
fi
. config.sh
;;
esac
: This forces SH files to create target in same directory as SH file.
: This is so that make depend always knows where to find SH derivatives.
case "$0" in
*/*) cd `expr X$0 : 'X\(.*\)/'` ;;
esac
echo "Extracting makelib (with variable substitutions)"
: This section of the file will have variable substitutions done on it.
: Move anything that needs config subs from !NO!SUBS! section to !GROK!THIS!.
: Protect any dollar signs and backticks that you do not want interpreted
: by putting a backslash in front. You may delete these comments.
$spitshell >makelib <<!GROK!THIS!
#!/usr/bin/perl
\$perlincl = '$privlib';
!GROK!THIS!
: In the following dollars and backticks do not need the extra backslash.
$spitshell >>makelib <<'!NO!SUBS!'
chdir '/usr/include' || die "Can't cd /usr/include";
%isatype = ('char',1,'short',1,'int',1,'long',1);
foreach $file (@ARGV) {
print $file,"\n";
if ($file =~ m|^(.*)/|) {
$dir = $1;
if (!-d "$perlincl/$dir") {
mkdir("$perlincl/$dir",0777);
}
}
open(IN,"$file") || ((warn "Can't open $file: $!\n"),next);
open(OUT,">$perlincl/$file") || die "Can't create $file: $!\n";
while (<IN>) {
chop;
while (/\\$/) {
chop;
$_ .= <IN>;
chop;
}
if (s:/\*:\200:g) {
s:\*/:\201:g;
s/\200[^\201]*\201//g; # delete single line comments
if (s/\200.*//) { # begin multi-line comment?
$_ .= '/*';
$_ .= <IN>;
redo;
}
}
if (s/^#\s*//) {
if (s/^define\s+(\w+)//) {
$name = $1;
$new = '';
s/\s+$//;
if (s/^\(([\w,\s]*)\)//) {
$args = $1;
if ($args ne '') {
foreach $arg (split(/,\s*/,$args)) {
$curargs{$arg} = 1;
}
$args =~ s/\b(\w)/\$$1/g;
$args = "local($args) = \@_;\n$t ";
}
s/^\s+//;
do expr();
$new =~ s/(["\\])/\\$1/g;
if ($t ne '') {
$new =~ s/(['\\])/\\$1/g;
print OUT $t,
"eval 'sub $name {\n$t ${args}eval \"$new\";\n$t}';\n";
}
else {
print OUT "sub $name {\n ${args}eval \"$new\";\n}\n";
}
%curargs = ();
}
else {
s/^\s+//;
do expr();
$new = 1 if $new eq '';
if ($t ne '') {
$new =~ s/(['\\])/\\$1/g;
print OUT $t,"eval 'sub $name {",$new,";}';\n";
}
else {
print OUT $t,"sub $name {",$new,";}\n";
}
}
}
elsif (/^include <(.*)>/) {
print OUT $t,"do '$1' || die \"Can't include $1: \$!\";\n";
}
elsif (/^ifdef\s+(\w+)/) {
print OUT $t,"if (defined &$1) {\n";
$tab += 4;
$t = "\t" x ($tab / 8) . ' ' x ($tab % 8);
}
elsif (/^ifndef\s+(\w+)/) {
print OUT $t,"if (!defined &$1) {\n";
$tab += 4;
$t = "\t" x ($tab / 8) . ' ' x ($tab % 8);
}
elsif (s/^if\s+//) {
$new = '';
do expr();
print OUT $t,"if ($new) {\n";
$tab += 4;
$t = "\t" x ($tab / 8) . ' ' x ($tab % 8);
}
elsif (s/^elif\s+//) {
$new = '';
do expr();
$tab -= 4;
$t = "\t" x ($tab / 8) . ' ' x ($tab % 8);
print OUT $t,"}\n${t}elsif ($new) {\n";
$tab += 4;
$t = "\t" x ($tab / 8) . ' ' x ($tab % 8);
}
elsif (/^else/) {
$tab -= 4;
$t = "\t" x ($tab / 8) . ' ' x ($tab % 8);
print OUT $t,"}\n${t}else {\n";
$tab += 4;
$t = "\t" x ($tab / 8) . ' ' x ($tab % 8);
}
elsif (/^endif/) {
$tab -= 4;
$t = "\t" x ($tab / 8) . ' ' x ($tab % 8);
print OUT $t,"}\n";
}
}
}
print OUT "1;\n";
}
sub expr {
while ($_ ne '') {
s/^(\s+)// && do {$new .= ' '; next;};
s/^(0x[0-9a-fA-F]+)// && do {$new .= $1; next;};
s/^(\d+)// && do {$new .= $1; next;};
s/^("(\\"|[^"])*")// && do {$new .= $1; next;};
s/^'((\\"|[^"])*)'// && do {
if ($curargs{$1}) {
$new .= "ord('\$$1')";
}
else {
$new .= "ord('$1')";
}
next;
};
s/^(struct\s+\w+)// && do {$new .= "'$1'"; next;};
s/^sizeof\s*\(([^)]+)\)/{$1}/ && do {
$new .= '$sizeof';
next;
};
s/^([_a-zA-Z]\w*)// && do {
$id = $1;
if ($curargs{$id}) {
$new .= '$' . $id;
}
elsif ($id eq 'defined') {
$new .= 'defined';
}
elsif (/^\(/) {
s/^\((\w),/("$1",/ if $id =~ /^_IO[WR]*$/; # cheat
$new .= "&$id";
}
elsif ($isatype{$id}) {
$new .= "'$id'";
}
else {
$new .= '&' . $id;
}
next;
};
s/^(.)// && do {$new .= $1; next;};
}
}
!NO!SUBS!
chmod 755 makelib
$eunicefix makelib
|
