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-rw-r--r--source4/build/smb_build/config_mk.pm104
1 files changed, 73 insertions, 31 deletions
diff --git a/source4/build/smb_build/config_mk.pm b/source4/build/smb_build/config_mk.pm
index 42c96f1792..6c095c5a5b 100644
--- a/source4/build/smb_build/config_mk.pm
+++ b/source4/build/smb_build/config_mk.pm
@@ -114,6 +114,64 @@ use vars qw(@parsed_files);
@parsed_files = ();
+sub _read_config_file
+{
+ use File::Basename;
+ use Cwd;
+
+ my $srcdir = shift;
+ my $builddir = shift;
+ my $filename = shift;
+ my @dirlist;
+
+ # We need to change our working directory because config.mk files can
+ # give shell commands as the argument to "include". These shell
+ # commands can take arguments that are relative paths and we don't have
+ # a way of sensibly rewriting these.
+ my $cwd = getcwd;
+ chomp $cwd;
+
+ if ($srcdir ne $builddir) {
+ # Push the builddir path on the front, so we prefer builddir
+ # to srcdir when the file exists in both.
+ @dirlist = ($builddir, $srcdir);
+ } else {
+ @dirlist = ($srcdir);
+ }
+
+ foreach my $d (@dirlist) {
+ my @lines;
+ my $basedir;
+
+ chdir $cwd;
+ chdir $d;
+
+ # We need to catch the exception from open in the case where
+ # the filename is actually a shell pipeline. Why is this
+ # different to opening a regular file? Because this is perl!
+ eval {
+ open(CONFIG_MK, "./$filename");
+ @lines = <CONFIG_MK>;
+ close(CONFIG_MK);
+ };
+
+ chdir $cwd;
+ next unless (@lines);
+
+ # I blame abartlett for this crazy hack -- jpeach
+ if ($filename =~ /\|$/) {
+ $basedir = $builddir;
+ } else {
+ $basedir = dirname($filename);
+ }
+ $basedir =~ s!^($builddir|$srcdir)[/]!!;
+ return ($filename, $basedir, @lines);
+ }
+
+ chdir $cwd;
+ return;
+}
+
###########################################################
# The parsing function which parses the file
#
@@ -131,46 +189,28 @@ sub run_config_mk($$$$)
my $section = "GLOBAL";
my $makefile = "";
- my $parsing_file = $filename;
- my $retry_parsing_file = undef;
my $basedir;
- $ENV{samba_builddir} = $builddir;
- $ENV{samba_srcdir} = $srcdir;
-
- if (($srcdir ne ".") or ($builddir ne ".")) {
- $parsing_file = $builddir."/".$filename;
- $retry_parsing_file = $srcdir."/".$filename;
- }
+ my $parsing_file;
+ my @lines;
- if (open(CONFIG_MK, $parsing_file)) {
- $retry_parsing_file = undef;
- } else {
- die("Can't open $parsing_file") unless defined($retry_parsing_file);
- }
+ $ENV{builddir} = $builddir;
+ $ENV{srcdir} = $srcdir;
- if (defined($retry_parsing_file)) {
- if (open(CONFIG_MK, $parsing_file)) {
- $parsing_file = $retry_parsing_file;
- $retry_parsing_file = undef;
- } else {
- die("Can't open neither '$parsing_file' nor '$retry_parsing_file'\n");
- }
- }
+ ($parsing_file, $basedir, @lines) =
+ _read_config_file($srcdir, $builddir, $filename);
- if ($parsing_file =~ /\|$/) {
- $basedir = $builddir;
- } else {
- $basedir = dirname($filename);
- push (@parsed_files, $parsing_file);
- }
-
- my @lines = <CONFIG_MK>;
- close(CONFIG_MK);
+ die ("$0: can't open '$filename'")
+ unless ($parsing_file and $basedir and @lines);
my $line = "";
my $prev = "";
+ # Emit a line that lets us match up final makefile output with the
+ # corresponding input files. The curlies are so you can match the
+ # BEGIN/END pairs in a text editor.
+ $makefile .= "# BEGIN{ $parsing_file\n";
+
foreach (@lines) {
$linenum++;
@@ -230,6 +270,8 @@ sub run_config_mk($$$$)
die("$parsing_file:$linenum: Bad line while parsing $parsing_file");
}
+ $makefile .= "# }END $parsing_file\n";
+
foreach my $section (keys %{$result}) {
my ($type, $name) = split(/::/, $section, 2);