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Building: Build Unix static libraries one object file at a time

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We're hitting problems that the 'ar' command line becomes too long for
some 'make' versions, or the shell it uses.

We therefore change the way we create a static library by doing so one
object file at a time.  This is slower, but has better guarantees to
work properly on limited systems.

Fixes #12116

Reviewed-by: David von Oheimb <david.von.oheimb@siemens.com>
(Merged from https://github.com/openssl/openssl/pull/12706)
This commit is contained in:
Richard Levitte 2020-08-23 18:33:57 +02:00
parent 6353507e9d
commit 385deae79f
2 changed files with 9 additions and 4 deletions
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2
Configurations/00-base-templates.conf
View File

@ -66,7 +66,7 @@ my %targets=(
template => 1,
AR => "ar",
ARFLAGS => "r",
ARFLAGS => "qc",
CC => "cc",
lflags =>
sub { $withargs{zlib_lib} ? "-L".$withargs{zlib_lib} : () },

11
Configurations/unix-Makefile.tmpl
View File

@ -1508,11 +1508,16 @@ EOF
my %args = @_;
my $lib = platform->staticlib($args{lib});
my @objs = map { platform->obj($_) } @{$args{objs}};
my $objs = join(" \\\n" . ' ' x (length($lib) + 2),
my $deps = join(" \\\n" . ' ' x (length($lib) + 2),
fill_lines(' ', $COLUMNS - length($lib) - 2, @objs));
my $max_per_call = 250;
my @objs_grouped;
push @objs_grouped, join(" ", splice @objs, 0, $max_per_call) while @objs;
my $fill_lib =
join("\n\t", (map { "\$(AR) \$(ARFLAGS) $lib $_" } @objs_grouped));
return <<"EOF";
$lib: $objs
\$(AR) \$(ARFLAGS) \$\@ \$\?
$lib: $deps
$fill_lib
\$(RANLIB) \$\@ || echo Never mind.
EOF
}