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'perl -w' safety in mkfiles.pl.

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[originally from svn r8958]
This commit is contained in:
Simon Tatham 2010-05-29 14:04:09 +00:00
parent a6957f606b
commit 5cd0fe8ed8
1 changed files with 59 additions and 37 deletions
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96
mkfiles.pl
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@ -1,4 +1,4 @@
#!/usr/bin/env perl
#!/usr/bin/env perl -w
#
# Cross-platform Makefile generator.
#
@ -42,12 +42,21 @@ $project_name = "project"; # this is a good enough default
%groups = (); # maps group name to listref of objects/resources
while (<IN>) {
# Skip comments (unless the comments belong, for example because
# they're part of a diversion).
next if /^\s*#/ and !defined $divert;
chomp;
split;
@_ = split;
# If we're gathering help text, keep doing so.
if (defined $divert) {
if ((defined $_[0]) && $_[0] eq "!end") {
$divert = undef;
} else {
${$divert} .= "$_\n";
}
next;
}
# Skip comments and blank lines.
next if /^\s*#/ or scalar @_ == 0;
if ($_[0] eq "!begin" and $_[1] eq "help") { $divert = \$help; next; }
if ($_[0] eq "!end") { $divert = undef; next; }
if ($_[0] eq "!name") { $project_name = $_[1]; next; }
@ -60,6 +69,7 @@ while (<IN>) {
$sect = $_[2] ? $_[2] : "end";
$divert = \($makefile_extra{$_[1]}->{$sect});
} else {
$dummy = '';
$divert = \$dummy;
}
next;
@ -121,7 +131,7 @@ close IN;
foreach $i (@prognames) {
($prog, $type) = split ",", $i;
# Strip duplicate object names.
$prev = undef;
$prev = '';
@list = grep { $status = ($prev ne $_); $prev=$_; $status }
sort @{$programs{$i}};
$programs{$i} = [@list];
@ -169,7 +179,6 @@ foreach $i (@prognames) {
while (scalar @scanlist > 0) {
$file = shift @scanlist;
next if defined $further{$file}; # skip if we've already done it
$resource = ($file =~ /\.rc$/ ? 1 : 0);
$further{$file} = [];
$dirfile = &findfile($file);
open IN, "$dirfile" or die "unable to open source file $file\n";
@ -198,7 +207,7 @@ foreach $i (keys %depends) {
while (scalar @scanlist > 0) {
$file = shift @scanlist;
foreach $j (@{$further{$file}}) {
if ($dep{$j} != 1) {
if (!$dep{$j}) {
$dep{$j} = 1;
push @{$depends{$i}}, $j;
push @scanlist, $j;
@ -225,10 +234,16 @@ sub mfval($) {
# Utility routines while writing out the Makefiles.
sub def {
my ($x) = shift @_;
return (defined $x) ? $x : "";
}
sub dirpfx {
my ($path) = shift @_;
my ($sep) = shift @_;
my $ret = "", $i;
my $ret = "";
my $i;
while (($i = index $path, $sep) >= 0 ||
($j = index $path, "/") >= 0) {
@ -244,14 +259,17 @@ sub dirpfx {
sub findfile {
my ($name) = @_;
my $dir;
my $dir = '';
my $i;
my $outdir = undef;
unless (defined $findfilecache{$name}) {
$i = 0;
foreach $dir (@srcdirs) {
$outdir = $dir, $i++ if -f "$dir$name";
$outdir=~s/^\.\///;
if (-f "$dir$name") {
$outdir = $dir;
$i++;
$outdir =~ s/^\.\///;
}
}
die "multiple instances of source file $name\n" if $i > 1;
$findfilecache{$name} = (defined $outdir ? $outdir . $name : undef);
@ -263,6 +281,7 @@ sub objects {
my ($prog, $otmpl, $rtmpl, $ltmpl, $prefix, $dirsep) = @_;
my @ret;
my ($i, $x, $y);
($otmpl, $rtmpl, $ltmpl) = map { defined $_ ? $_ : "" } ($otmpl, $rtmpl, $ltmpl);
@ret = ();
foreach $i (@{$programs{$prog}}) {
$x = "";
@ -284,6 +303,7 @@ sub special {
my ($prog, $suffix) = @_;
my @ret;
my ($i, $x, $y);
($otmpl, $rtmpl, $ltmpl) = map { defined $_ ? $_ : "" } ($otmpl, $rtmpl, $ltmpl);
@ret = ();
foreach $i (@{$programs{$prog}}) {
if (substr($i, (length $i) - (length $suffix)) eq $suffix) {
@ -295,7 +315,8 @@ sub special {
sub splitline {
my ($line, $width, $splitchar) = @_;
my ($result, $len);
my $result = "";
my $len;
$len = (defined $width ? $width : 76);
$splitchar = (defined $splitchar ? $splitchar : '\\');
while (length $line > $len) {
@ -311,7 +332,8 @@ sub splitline {
sub deps {
my ($otmpl, $rtmpl, $prefix, $dirsep, $mftyp, $depchar, $splitchar) = @_;
my ($i, $x, $y);
my @deps, @ret;
my @deps;
my @ret;
@ret = ();
$depchar ||= ':';
foreach $i (sort keys %depends) {
@ -380,7 +402,7 @@ if (defined $makefiles{'cygwin'}) {
"#\n# This file was created by `mkfiles.pl' from the `Recipe' file.\n".
"# DO NOT EDIT THIS FILE DIRECTLY; edit Recipe or mkfiles.pl instead.\n";
# gcc command line option is -D not /D
($_ = $help) =~ s/([=" ])\/D/\1-D/gs;
($_ = $help) =~ s/([=" ])\/D/$1-D/gs;
print $_;
print
"\n".
@ -464,7 +486,7 @@ if (defined $makefiles{'borland'}) {
"#\n# This file was created by `mkfiles.pl' from the `Recipe' file.\n".
"# DO NOT EDIT THIS FILE DIRECTLY; edit Recipe or mkfiles.pl instead.\n";
# bcc32 command line option is -D not /D
($_ = $help) =~ s/([=" ])\/D/\1-D/gs;
($_ = $help) =~ s/([=" ])\/D/$1-D/gs;
print $_;
print
"\n".
@ -497,7 +519,7 @@ if (defined $makefiles{'borland'}) {
print "\n\n";
foreach $p (&prognames("G:C")) {
($prog, $type) = split ",", $p;
$objstr = &objects($p, "X.obj", "X.res", undef);
$objstr = &objects($p, "X.obj", "X.res", undef);
print &splitline("$prog.exe: " . $objstr . " $prog.rsp"), "\n";
my $ap = ($type eq "G") ? "-aa" : "-ap";
print "\tilink32 $ap -Gn -L\$(BCB)\\lib \@$prog.rsp\n\n";
@ -917,7 +939,7 @@ if (defined $makefiles{'gtk'}) {
"#\n# This file was created by `mkfiles.pl' from the `Recipe' file.\n".
"# DO NOT EDIT THIS FILE DIRECTLY; edit Recipe or mkfiles.pl instead.\n";
# gcc command line option is -D not /D
($_ = $help) =~ s/([=" ])\/D/\1-D/gs;
($_ = $help) =~ s/([=" ])\/D/$1-D/gs;
print $_;
print
"\n".
@ -962,7 +984,7 @@ if (defined $makefiles{'gtk'}) {
"mandir=\$(prefix)/man\n".
"man1dir=\$(mandir)/man1\n".
"\n".
$makefile_extra{'gtk'}->{'vars'} .
&def($makefile_extra{'gtk'}->{'vars'}) .
"\n".
".SUFFIXES:\n".
"\n".
@ -974,7 +996,7 @@ if (defined $makefiles{'gtk'}) {
$objstr = &objects($p, "X.o", undef, undef);
print &splitline($prog . ": " . $objstr), "\n";
$libstr = &objects($p, undef, undef, "-lX");
print &splitline("\t\$(CC)" . $mw . " -o \$@ " .
print &splitline("\t\$(CC) -o \$@ " .
$objstr . " \$(${type}LDFLAGS) $libstr", 69), "\n\n";
}
foreach $d (&deps("X.o", undef, $dirpfx, "/", "gtk")) {
@ -1004,7 +1026,7 @@ if (defined $makefiles{'unix'}) {
"#\n# This file was created by `mkfiles.pl' from the `Recipe' file.\n".
"# DO NOT EDIT THIS FILE DIRECTLY; edit Recipe or mkfiles.pl instead.\n";
# gcc command line option is -D not /D
($_ = $help) =~ s/([=" ])\/D/\1-D/gs;
($_ = $help) =~ s/([=" ])\/D/$1-D/gs;
print $_;
print
"\n".
@ -1029,7 +1051,7 @@ if (defined $makefiles{'unix'}) {
"mandir=\$(prefix)/man\n".
"man1dir=\$(mandir)/man1\n".
"\n".
$makefile_extra{'unix'}->{'vars'} .
&def($makefile_extra{'unix'}->{'vars'}) .
"\n".
".SUFFIXES:\n".
"\n".
@ -1041,7 +1063,7 @@ if (defined $makefiles{'unix'}) {
$objstr = &objects($p, "X.o", undef, undef);
print &splitline($prog . ": " . $objstr), "\n";
$libstr = &objects($p, undef, undef, "-lX");
print &splitline("\t\$(CC)" . $mw . " -o \$@ " .
print &splitline("\t\$(CC) -o \$@ " .
$objstr . " \$(${type}LDFLAGS) $libstr", 69), "\n\n";
}
foreach $d (&deps("X.o", undef, $dirpfx, "/", "unix")) {
@ -1054,7 +1076,7 @@ if (defined $makefiles{'unix'}) {
print &splitline("\t\$(CC) \$(COMPAT) \$(CFLAGS) \$(XFLAGS) -c $d->{deps}->[0]\n");
}
print "\n";
print $makefile_extra{'unix'}->{'end'};
print &def($makefile_extra{'unix'}->{'end'});
print "\nclean:\n".
"\trm -f *.o". (join "", map { " $_" } &progrealnames("U")) . "\n";
print "\nFORCE:\n";
@ -1071,7 +1093,7 @@ if (defined $makefiles{'ac'}) {
"#\n# This file was created by `mkfiles.pl' from the `Recipe' file.\n".
"# DO NOT EDIT THIS FILE DIRECTLY; edit Recipe or mkfiles.pl instead.\n";
# gcc command line option is -D not /D
($_ = $help) =~ s/([=" ])\/D/\1-D/gs;
($_ = $help) =~ s/([=" ])\/D/$1-D/gs;
print $_;
print
"\n".
@ -1092,7 +1114,7 @@ if (defined $makefiles{'ac'}) {
"mandir=\@mandir\@\n".
"man1dir=\$(mandir)/man1\n".
"\n".
$makefile_extra{'gtk'}->{'vars'} .
&def($makefile_extra{'gtk'}->{'vars'}) .
"\n".
".SUFFIXES:\n".
"\n".
@ -1106,7 +1128,7 @@ if (defined $makefiles{'ac'}) {
$objstr = &objects($p, "X.o", undef, undef);
print &splitline($prog . ": " . $objstr), "\n";
$libstr = &objects($p, undef, undef, "-lX");
print &splitline("\t\$(CC)" . $mw . " -o \$@ " .
print &splitline("\t\$(CC) -o \$@ " .
$objstr . " \$(${type}LDFLAGS) $libstr", 69), "\n\n";
}
foreach $d (&deps("X.o", undef, $dirpfx, "/", "gtk")) {
@ -1137,7 +1159,7 @@ if (defined $makefiles{'mpw'}) {
"# This file was created by `mkfiles.pl' from the `Recipe' file.\n".
"# DO NOT EDIT THIS FILE DIRECTLY; edit Recipe or mkfiles.pl instead.\n";
# MPW command line option is -d not /D (FIXME further massaging?)
($_ = $help) =~ s/([=" ])\/D/\1-d /gs;
($_ = $help) =~ s/([=" ])\/D/$1-d /gs;
print $_;
print "\n\n".
"ROptions = `Echo \"{VER}\" | StreamEdit -e \"1,\$ replace /=(\xc5)\xa81\xb0/ 'STR=\xb6\xb6\xb6\xb6\xb6\"' \xa81 '\xb6\xb6\xb6\xb6\xb6\"'\"`".
@ -1279,7 +1301,7 @@ if (defined $makefiles{'lcc'}) {
"#\n# This file was created by `mkfiles.pl' from the `Recipe' file.\n".
"# DO NOT EDIT THIS FILE DIRECTLY; edit Recipe or mkfiles.pl instead.\n";
# lcc command line option is -D not /D
($_ = $help) =~ s/([=" ])\/D/\1-D/gs;
($_ = $help) =~ s/([=" ])\/D/$1-D/gs;
print $_;
print
"\n".
@ -1304,7 +1326,7 @@ if (defined $makefiles{'lcc'}) {
($prog, $type) = split ",", $p;
$objstr = &objects($p, "X.obj", "X.res", undef);
print &splitline("$prog.exe: " . $objstr ), "\n";
$subsystemtype = undef;
$subsystemtype = '';
if ($type eq "G") { $subsystemtype = "-subsystem windows"; }
my $libss = "shell32.lib wsock32.lib ws2_32.lib winspool.lib winmm.lib imm32.lib";
print &splitline("\tlcclnk $subsystemtype -o $prog.exe $objstr $libss");
@ -1348,7 +1370,7 @@ if (defined $makefiles{'osx'}) {
"#\n# This file was created by `mkfiles.pl' from the `Recipe' file.\n".
"# DO NOT EDIT THIS FILE DIRECTLY; edit Recipe or mkfiles.pl instead.\n";
# gcc command line option is -D not /D
($_ = $help) =~ s/([=" ])\/D/\1-D/gs;
($_ = $help) =~ s/([=" ])\/D/$1-D/gs;
print $_;
print
"CC = \$(TOOLPATH)gcc\n".
@ -1385,7 +1407,7 @@ if (defined $makefiles{'osx'}) {
print &splitline("${prog}.app/Contents/MacOS/$prog: ".
"${prog}.app/Contents/MacOS " . $objstr), "\n";
$libstr = &objects($p, undef, undef, "-lX");
print &splitline("\t\$(CC)" . $mw . " \$(MLDFLAGS) -o \$@ " .
print &splitline("\t\$(CC) \$(MLDFLAGS) -o \$@ " .
$objstr . " $libstr", 69), "\n\n";
}
foreach $p (&prognames("U")) {
@ -1393,10 +1415,10 @@ if (defined $makefiles{'osx'}) {
$objstr = &objects($p, "X.o", undef, undef);
print &splitline($prog . ": " . $objstr), "\n";
$libstr = &objects($p, undef, undef, "-lX");
print &splitline("\t\$(CC)" . $mw . " \$(ULDFLAGS) -o \$@ " .
print &splitline("\t\$(CC) \$(ULDFLAGS) -o \$@ " .
$objstr . " $libstr", 69), "\n\n";
}
foreach $d (&deps("X.o", undef, $dirpfx, "/")) {
foreach $d (&deps("X.o", undef, $dirpfx, "/", "osx")) {
if ($forceobj{$d->{obj_orig}}) {
printf("%s: FORCE\n", $d->{obj});
} else {
@ -1410,10 +1432,10 @@ if (defined $makefiles{'osx'}) {
print "\t\$(CC) -x objective-c \$(COMPAT) \$(FWHACK) \$(CFLAGS) \$(XFLAGS) -c \$<\n";
}
}
print "\n".$makefile_extra{'osx'}->{'end'};
print "\n".&def($makefile_extra{'osx'}->{'end'});
print "\nclean:\n".
"\trm -f *.o *.dmg". (join "", map { " $_" } &progrealnames("U")) . "\n".
"\trm -rf *.app\n";
"\trm -rf *.app\n".
"\n".
"FORCE:\n";
select STDOUT; close OUT;