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|
package make::utilities;
use Exporter 'import';
@EXPORT = qw(make_rpath pkgconfig_get_include_dirs pkgconfig_get_lib_dirs translate_functions);
# Parse the output of a *_config program,
# such as pcre_config, take out the -L
# directive and return an rpath for it.
sub make_rpath($)
{
my ($executable) = @_;
chomp($data = `$executable`);
$data =~ /-L(\S+)\s/;
$libpath = $1;
return "-Wl,--rpath -Wl,$libpath -L$libpath";
}
sub extend_pkg_path()
{
if (!exists $ENV{PKG_CONFIG_PATH})
{
$ENV{PKG_CONFIG_PATH} = "/usr/lib/pkgconfig:/usr/local/lib/pkgconfig:/usr/local/libdata/pkgconfig:/usr/X11R6/libdata/pkgconfig";
}
else
{
$ENV{PKG_CONFIG_PATH} .= ":/usr/local/lib/pkgconfig:/usr/local/libdata/pkgconfig:/usr/X11R6/libdata/pkgconfig";
}
}
sub pkgconfig_get_include_dirs($$$)
{
my ($packagename, $headername, $defaults) = @_;
extend_pkg_path();
$ret = `pkg-config --cflags $packagename 2>/dev/null`;
if ((!defined $ret) || ($ret eq ""))
{
$foo = `locate "$headername" | head -n 1`;
$foo =~ /(.+)\Q$headername\E/;
if (defined $1)
{
$foo = "-I$1";
}
else
{
$foo = "";
}
$ret = "$foo";
}
if (($defaults ne "") && (($ret eq "") || (!defined $ret)))
{
$ret = "$foo " . $defaults;
}
chomp($ret);
return $ret;
}
sub pkgconfig_get_lib_dirs($$$)
{
my ($packagename, $libname, $defaults) = @_;
extend_pkg_path();
$ret = `pkg-config --libs $packagename 2>/dev/null`;
if ((!defined $ret) || ($ret eq ""))
{
$foo = `locate "$libname" | head -n 1`;
$foo =~ /(.+)\Q$libname\E/;
if (defined $1)
{
$foo = "-L$1";
}
else
{
$foo = "";
}
$ret = "$foo";
}
if (($defaults ne "") && (($ret eq "") || (!defined $ret)))
{
$ret = "$foo " . $defaults;
}
chomp($ret);
return $ret;
}
# Translate a $CompileFlags etc line and parse out function calls
# to functions within these modules at configure time.
sub translate_functions($)
{
my ($line) = @_;
while ($line =~ /pkgconflibs\("(.+?)","(.+?)","(.+?)"\)/)
{
my $replace = pkgconfig_get_lib_dirs($1, $2, $3);
$line =~ s/pkgconflibs\("(.+?)","(.+?)","(.+?)"\)/$replace/;
}
while ($line =~ /pkgconflibs\("(.+?)","(.+?)",""\)/)
{
my $replace = pkgconfig_get_lib_dirs($1, $2, "");
$line =~ s/pkgconflibs\("(.+?)","(.+?)",""\)/$replace/;
}
while ($line =~ /pkgconfincludes\("(.+?)","(.+?)",""\)/)
{
my $replace = pkgconfig_get_include_dirs($1, $2, "");
$line =~ s/pkgconfincludes\("(.+?)","(.+?)",""\)/$replace/;
}
while ($line =~ /pkgconfincludes\("(.+?)","(.+?)","(.+?)"\)/)
{
my $replace = pkgconfig_get_include_dirs($1, $2, $3);
$line =~ s/pkgconfincludes\("(.+?)","(.+?)","(.+?)"\)/$replace/;
}
while ($line =~ /rpath\("(.+?)"\)/)
{
my $replace = make_rpath($1);
$line =~ s/rpath\("(.+?)"\)/$replace/;
}
return $line;
}
1;
|
