mirror of
https://github.com/openssl/openssl.git
synced 2024-12-21 06:09:35 +08:00
3babc1e468
It was discovered that MSVC has localized /showIncludes output. Fortunately, it still seems to follow the same generic format, so we can adapt the regular expression to make it language agnostic. Fixes #14994 Reviewed-by: Tomas Mraz <tomas@openssl.org> Reviewed-by: Matthias St. Pierre <Matthias.St.Pierre@ncp-e.com> (Merged from https://github.com/openssl/openssl/pull/15006)
343 lines
13 KiB
Perl
343 lines
13 KiB
Perl
#! /usr/bin/env perl
|
|
# Copyright 2018-2021 The OpenSSL Project Authors. All Rights Reserved.
|
|
#
|
|
# Licensed under the Apache License 2.0 (the "License"). You may not use
|
|
# this file except in compliance with the License. You can obtain a copy
|
|
# in the file LICENSE in the source distribution or at
|
|
# https://www.openssl.org/source/license.html
|
|
|
|
use strict;
|
|
use warnings;
|
|
|
|
use lib '.';
|
|
use configdata;
|
|
|
|
use File::Spec::Functions qw(:DEFAULT rel2abs);
|
|
use File::Compare qw(compare_text);
|
|
use feature 'state';
|
|
|
|
# When using stat() on Windows, we can get it to perform better by avoid some
|
|
# data. This doesn't affect the mtime field, so we're not losing anything...
|
|
${^WIN32_SLOPPY_STAT} = 1;
|
|
|
|
my $debug = $ENV{ADD_DEPENDS_DEBUG};
|
|
my $buildfile = $config{build_file};
|
|
my $build_mtime = (stat($buildfile))[9];
|
|
my $rebuild = 0;
|
|
my $depext = $target{dep_extension} || ".d";
|
|
my @depfiles =
|
|
sort
|
|
grep {
|
|
# This grep has side effects. Not only does if check the existence
|
|
# of the dependency file given in $_, but it also checks if it's
|
|
# newer than the build file, and if it is, sets $rebuild.
|
|
my @st = stat($_);
|
|
$rebuild = 1 if @st && $st[9] > $build_mtime;
|
|
scalar @st > 0; # Determines the grep result
|
|
}
|
|
map { (my $x = $_) =~ s|\.o$|$depext|; $x; }
|
|
( ( grep { $unified_info{sources}->{$_}->[0] =~ /\.cc?$/ }
|
|
keys %{$unified_info{sources}} ),
|
|
( grep { $unified_info{shared_sources}->{$_}->[0] =~ /\.cc?$/ }
|
|
keys %{$unified_info{shared_sources}} ) );
|
|
|
|
exit 0 unless $rebuild;
|
|
|
|
# Ok, primary checks are done, time to do some real work
|
|
|
|
my $producer = shift @ARGV;
|
|
die "Producer not given\n" unless $producer;
|
|
|
|
my $srcdir = $config{sourcedir};
|
|
my $blddir = $config{builddir};
|
|
my $abs_srcdir = rel2abs($srcdir);
|
|
my $abs_blddir = rel2abs($blddir);
|
|
|
|
# Convenient cache of absolute to relative map. We start with filling it
|
|
# with mappings for the known generated header files. They are relative to
|
|
# the current working directory, so that's an easy task.
|
|
# NOTE: there's more than C header files that are generated. They will also
|
|
# generate entries in this map. We could of course deal with C header files
|
|
# only, but in case we decide to handle more than just C files in the future,
|
|
# we already have the mechanism in place here.
|
|
# NOTE2: we lower case the index to make it searchable without regard for
|
|
# character case. That could seem dangerous, but as long as we don't have
|
|
# files we depend on in the same directory that only differ by character case,
|
|
# we're fine.
|
|
my %depconv_cache =
|
|
map { catfile($abs_blddir, $_) => $_ }
|
|
keys %{$unified_info{generate}};
|
|
|
|
my %procedures = (
|
|
'gcc' => undef, # gcc style dependency files needs no mods
|
|
'makedepend' =>
|
|
sub {
|
|
# makedepend, in its infinite wisdom, wants to have the object file
|
|
# in the same directory as the source file. This doesn't work too
|
|
# well with out-of-source-tree builds, so we must resort to tricks
|
|
# to get things right. Fortunately, the .d files are always placed
|
|
# parallel with the object files, so all we need to do is construct
|
|
# the object file name from the dep file name.
|
|
(my $objfile = shift) =~ s|\.d$|.o|i;
|
|
my $line = shift;
|
|
|
|
# Discard comments
|
|
return undef if $line =~ /^(#.*|\s*)$/;
|
|
|
|
# Remove the original object file
|
|
$line =~ s|^.*\.o: | |;
|
|
# Also, remove any dependency that starts with a /, because those
|
|
# are typically system headers
|
|
$line =~ s/\s+\/(\\.|\S)*//g;
|
|
# Finally, discard all empty lines
|
|
return undef if $line =~ /^\s*$/;
|
|
|
|
# All we got now is a dependency, just shave off surrounding spaces
|
|
$line =~ s/^\s+//;
|
|
$line =~ s/\s+$//;
|
|
return ($objfile, $line);
|
|
},
|
|
'VMS C' =>
|
|
sub {
|
|
state $abs_srcdir_shaved = undef;
|
|
state $srcdir_shaved = undef;
|
|
|
|
unless (defined $abs_srcdir_shaved) {
|
|
($abs_srcdir_shaved = $abs_srcdir) =~ s|[>\]]$||;
|
|
($srcdir_shaved = $srcdir) =~ s|[>\]]$||;
|
|
}
|
|
|
|
# current versions of DEC / Compaq / HP / VSI C strips away all
|
|
# directory information from the object file, so we must insert it
|
|
# back. To make life simpler, we simply replace it with the
|
|
# corresponding .D file that's had its extension changed. Since
|
|
# .D files are always written parallel to the object files, we
|
|
# thereby get the directory information for free.
|
|
(my $objfile = shift) =~ s|\.D$|.OBJ|i;
|
|
my $line = shift;
|
|
|
|
# Shave off the target.
|
|
#
|
|
# The pattern for target and dependencies will always take this
|
|
# form:
|
|
#
|
|
# target SPACE : SPACE deps
|
|
#
|
|
# This is so a volume delimiter (a : without any spaces around it)
|
|
# won't get mixed up with the target / deps delimiter. We use this
|
|
# to easily identify what needs to be removed.
|
|
m|\s:\s|; $line = $';
|
|
|
|
# We know that VMS has system header files in text libraries,
|
|
# extension .TLB. We also know that our header files aren't stored
|
|
# in text libraries. Finally, we know that VMS C produces exactly
|
|
# one dependency per line, so we simply discard any line ending with
|
|
# .TLB.
|
|
return undef if /\.TLB\s*$/;
|
|
|
|
# All we got now is a dependency, just shave off surrounding spaces
|
|
$line =~ s/^\s+//;
|
|
$line =~ s/\s+$//;
|
|
|
|
# VMS C gives us absolute paths, always. Let's see if we can
|
|
# make them relative instead.
|
|
$line = canonpath($line);
|
|
|
|
unless (defined $depconv_cache{$line}) {
|
|
my $dep = $line;
|
|
# Since we have already pre-populated the cache with
|
|
# mappings for generated headers, we only need to deal
|
|
# with the source tree.
|
|
if ($dep =~ s|^\Q$abs_srcdir_shaved\E([\.>\]])?|$srcdir_shaved$1|i) {
|
|
$depconv_cache{$line} = $dep;
|
|
}
|
|
}
|
|
return ($objfile, $depconv_cache{$line})
|
|
if defined $depconv_cache{$line};
|
|
print STDERR "DEBUG[$producer]: ignoring $objfile <- $line\n"
|
|
if $debug;
|
|
|
|
return undef;
|
|
},
|
|
'VC' =>
|
|
sub {
|
|
# With Microsoft Visual C the flags /Zs /showIncludes give us the
|
|
# necessary output to be able to create dependencies that nmake
|
|
# (or any 'make' implementation) should be able to read, with a
|
|
# bit of help. The output we're interested in looks something
|
|
# like this (it always starts the same)
|
|
#
|
|
# Note: including file: {whatever header file}
|
|
#
|
|
# This output is localized, so for example, the German pack gives
|
|
# us this:
|
|
#
|
|
# Hinweis: Einlesen der Datei: {whatever header file}
|
|
#
|
|
# To accomodate, we need to use a very general regular expression
|
|
# to parse those lines.
|
|
#
|
|
# Since there's no object file name at all in that information,
|
|
# we must construct it ourselves.
|
|
|
|
(my $objfile = shift) =~ s|\.d$|.obj|i;
|
|
my $line = shift;
|
|
|
|
# There are also other lines mixed in, for example compiler
|
|
# warnings, so we simply discard anything that doesn't start with
|
|
# the Note:
|
|
|
|
if (/^[^:]*: [^:]*: */) {
|
|
(my $tail = $') =~ s/\s*\R$//;
|
|
|
|
# VC gives us absolute paths for all include files, so to
|
|
# remove system header dependencies, we need to check that
|
|
# they don't match $abs_srcdir or $abs_blddir.
|
|
$tail = canonpath($tail);
|
|
|
|
unless (defined $depconv_cache{$tail}) {
|
|
my $dep = $tail;
|
|
# Since we have already pre-populated the cache with
|
|
# mappings for generated headers, we only need to deal
|
|
# with the source tree.
|
|
if ($dep =~ s|^\Q$abs_srcdir\E\\|\$(SRCDIR)\\|i) {
|
|
$depconv_cache{$tail} = $dep;
|
|
}
|
|
}
|
|
return ($objfile, '"'.$depconv_cache{$tail}.'"')
|
|
if defined $depconv_cache{$tail};
|
|
print STDERR "DEBUG[$producer]: ignoring $objfile <- $tail\n"
|
|
if $debug;
|
|
}
|
|
|
|
return undef;
|
|
},
|
|
'embarcadero' =>
|
|
sub {
|
|
# With Embarcadero C++Builder's preprocessor (cpp32.exe) the -Sx -Hp
|
|
# flags give us the list of #include files read, like the following:
|
|
#
|
|
# Including ->->{whatever header file}
|
|
#
|
|
# where each "->" indicates the nesting level of the #include. The
|
|
# logic here is otherwise the same as the 'VC' scheme.
|
|
#
|
|
# Since there's no object file name at all in that information,
|
|
# we must construct it ourselves.
|
|
|
|
(my $objfile = shift) =~ s|\.d$|.obj|i;
|
|
my $line = shift;
|
|
|
|
# There are also other lines mixed in, for example compiler
|
|
# warnings, so we simply discard anything that doesn't start with
|
|
# the Note:
|
|
|
|
if (/^Including (->)*/) {
|
|
(my $tail = $') =~ s/\s*\R$//;
|
|
|
|
# C++Builder gives us relative paths when possible, so to
|
|
# remove system header dependencies, we convert them to
|
|
# absolute paths and check that they don't match $abs_srcdir
|
|
# or $abs_blddir, just as the 'VC' scheme.
|
|
$tail = rel2abs($tail);
|
|
|
|
unless (defined $depconv_cache{$tail}) {
|
|
my $dep = $tail;
|
|
# Since we have already pre-populated the cache with
|
|
# mappings for generated headers, we only need to deal
|
|
# with the source tree.
|
|
if ($dep =~ s|^\Q$abs_srcdir\E\\|\$(SRCDIR)\\|i) {
|
|
$depconv_cache{$tail} = $dep;
|
|
}
|
|
}
|
|
return ($objfile, '"'.$depconv_cache{$tail}.'"')
|
|
if defined $depconv_cache{$tail};
|
|
print STDERR "DEBUG[$producer]: ignoring $objfile <- $tail\n"
|
|
if $debug;
|
|
}
|
|
|
|
return undef;
|
|
},
|
|
);
|
|
my %continuations = (
|
|
'gcc' => undef,
|
|
'makedepend' => "\\",
|
|
'VMS C' => "-",
|
|
'VC' => "\\",
|
|
'embarcadero' => "\\",
|
|
);
|
|
|
|
die "Producer unrecognised: $producer\n"
|
|
unless exists $procedures{$producer} && exists $continuations{$producer};
|
|
|
|
my $procedure = $procedures{$producer};
|
|
my $continuation = $continuations{$producer};
|
|
|
|
my $buildfile_new = "$buildfile-$$";
|
|
|
|
my %collect = ();
|
|
if (defined $procedure) {
|
|
foreach my $depfile (@depfiles) {
|
|
open IDEP,$depfile or die "Trying to read $depfile: $!\n";
|
|
while (<IDEP>) {
|
|
s|\R$||; # The better chomp
|
|
my ($target, $deps) = $procedure->($depfile, $_);
|
|
$collect{$target}->{$deps} = 1 if defined $target;
|
|
}
|
|
close IDEP;
|
|
}
|
|
}
|
|
|
|
open IBF, $buildfile or die "Trying to read $buildfile: $!\n";
|
|
open OBF, '>', $buildfile_new or die "Trying to write $buildfile_new: $!\n";
|
|
while (<IBF>) {
|
|
last if /^# DO NOT DELETE THIS LINE/;
|
|
print OBF or die "$!\n";
|
|
}
|
|
close IBF;
|
|
|
|
print OBF "# DO NOT DELETE THIS LINE -- make depend depends on it.\n";
|
|
|
|
if (defined $procedure) {
|
|
foreach my $target (sort keys %collect) {
|
|
my $prefix = $target . ' :';
|
|
my @deps = sort keys %{$collect{$target}};
|
|
|
|
while (@deps) {
|
|
my $buf = $prefix;
|
|
$prefix = '';
|
|
|
|
while (@deps && ($buf eq ''
|
|
|| length($buf) + length($deps[0]) <= 77)) {
|
|
$buf .= ' ' . shift @deps;
|
|
}
|
|
$buf .= ' '.$continuation if @deps;
|
|
|
|
print OBF $buf,"\n" or die "Trying to print: $!\n"
|
|
}
|
|
}
|
|
} else {
|
|
foreach my $depfile (@depfiles) {
|
|
open IDEP,$depfile or die "Trying to read $depfile: $!\n";
|
|
while (<IDEP>) {
|
|
print OBF or die "Trying to print: $!\n";
|
|
}
|
|
close IDEP;
|
|
}
|
|
}
|
|
|
|
close OBF;
|
|
|
|
if (compare_text($buildfile_new, $buildfile) != 0) {
|
|
rename $buildfile_new, $buildfile
|
|
or die "Trying to rename $buildfile_new -> $buildfile: $!\n";
|
|
}
|
|
|
|
END {
|
|
# On VMS, we want to remove all generations of this file, in case there
|
|
# are more than one, so we loop.
|
|
if (defined $buildfile_new) {
|
|
while (unlink $buildfile_new) {}
|
|
}
|
|
}
|