-###########################################################
-### SMB Build System ###
-### - config.mk parsing functions ###
-### ###
-### Copyright (C) Stefan (metze) Metzmacher 2004 ###
-### Released under the GNU GPL ###
-###########################################################
+# Samba Build System
+# - config.mk parsing functions
+#
+# Copyright (C) Stefan (metze) Metzmacher 2004
+# Copyright (C) Jelmer Vernooij 2005
+# Released under the GNU GPL
+#
-package config_mk;
+package smb_build::config_mk;
use smb_build::input;
+use File::Basename;
use strict;
-my %attribute_types = (
- "NOPROTO" => "bool",
- "REQUIRED_SUBSYSTEMS" => "list",
- "OUTPUT_TYPE" => "string",
- "INIT_OBJ_FILES" => "list",
- "ADD_OBJ_FILES" => "list",
- "OBJ_FILES" => "list",
- "SUBSYSTEM" => "string",
- "INIT_FUNCTION" => "string",
- "MAJOR_VERSION" => "string",
- "MINOR_VERSION" => "string",
- "RELEASE_VERSION" => "string",
- "ENABLE" => "bool",
- "CMD" => "string",
- "MANPAGE" => "string"
-);
+my $section_types = {
+ "EXT_LIB" => {
+ "LIBS" => "list",
+ "CFLAGS" => "list",
+ "CPPFLAGS" => "list",
+ "LDFLAGS" => "list",
+ "PC_NAME" => "string",
+ },
+ "PYTHON" => {
+ SWIG_FILE => "string",
+ "PRIVATE_DEPENDENCIES" => "list",
+ "PUBLIC_DEPENDENCIES" => "list",
+ "OBJ_FILES" => "list",
+ "ENABLE" => "bool",
+ "LDFLAGS" => "list",
+ "CFLAGS" => "list",
+ },
+ "SUBSYSTEM" => {
+ "OBJ_FILES" => "list",
+
+ "PRIVATE_DEPENDENCIES" => "list",
+ "PUBLIC_DEPENDENCIES" => "list",
+
+ "ENABLE" => "bool",
+
+ "MANPAGE" => "string",
+
+ "PUBLIC_PROTO_HEADER" => "string",
+ "PRIVATE_PROTO_HEADER" => "string",
+
+ "PUBLIC_HEADERS" => "list",
+
+ "CFLAGS" => "list",
+ "LDFLAGS" => "list",
+ "STANDARD_VISIBILITY" => "string",
+ "INIT_FUNCTION_SENTINEL" => "string"
+ },
+ "MODULE" => {
+ "SUBSYSTEM" => "string",
+
+ "INIT_FUNCTION" => "string",
+ "OBJ_FILES" => "list",
+
+ "PRIVATE_DEPENDENCIES" => "list",
+
+ "ALIASES" => "list",
+
+ "ENABLE" => "bool",
+
+ "OUTPUT_TYPE" => "list",
+
+ "MANPAGE" => "string",
+ "PRIVATE_PROTO_HEADER" => "string",
+
+ "CFLAGS" => "list"
+ },
+ "BINARY" => {
+ "OBJ_FILES" => "list",
+
+ "PRIVATE_DEPENDENCIES" => "list",
+
+ "ENABLE" => "bool",
+
+ "MANPAGE" => "string",
+ "INSTALLDIR" => "string",
+ "PRIVATE_PROTO_HEADER" => "string",
+
+ "CFLAGS" => "list",
+ "LDFLAGS" => "list",
+ "STANDARD_VISIBILITY" => "string",
+
+ "USE_HOSTCC" => "bool"
+ },
+ "LIBRARY" => {
+ "VERSION" => "string",
+ "SO_VERSION" => "string",
+ "LIBRARY_REALNAME" => "string",
+
+ "PC_NAME" => "string",
+ "PC_FILE" => "string",
+
+ "INIT_FUNCTION_TYPE" => "string",
+ "INIT_FUNCTION_SENTINEL" => "string",
+ "OUTPUT_TYPE" => "list",
+
+ "OBJ_FILES" => "list",
+
+ "PRIVATE_DEPENDENCIES" => "list",
+ "PUBLIC_DEPENDENCIES" => "list",
+
+ "ENABLE" => "bool",
+
+ "MANPAGE" => "string",
+
+ "PUBLIC_HEADERS" => "list",
+
+ "PUBLIC_PROTO_HEADER" => "string",
+ "PRIVATE_PROTO_HEADER" => "string",
+
+ "CFLAGS" => "list",
+ "LDFLAGS" => "list",
+ "STANDARD_VISIBILITY" => "string"
+ }
+};
+
+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);
+ push(@parsed_files, $filename);
+ }
+ $basedir =~ s!^($builddir|$srcdir)[/]!!;
+ return ($filename, $basedir, @lines);
+ }
+
+ chdir $cwd;
+ return;
+}
###########################################################
# The parsing function which parses the file
#
-# $result = _parse_config_mk($filename)
+# $result = _parse_config_mk($input, $srcdir, $builddir, $filename)
#
# $filename - the path of the config.mk file
# which should be parsed
-#
-# $result - the resulting structure
-#
-# $result->{ERROR_CODE} - the error_code, '0' means success
-# $result->{ERROR_STR} - the error string
-#
-# $result->{$key}{KEY} - the key == the variable which was parsed
-# $result->{$key}{VAL} - the value of the variable
-sub _parse_config_mk($)
+sub run_config_mk($$$$)
{
- my $filename = shift;
+ sub run_config_mk($$$$);
+ my ($input, $srcdir, $builddir, $filename) = @_;
my $result;
my $linenum = -1;
- my $waiting = 0;
+ my $infragment = 0;
my $section = "GLOBAL";
- my $key;
+ my $makefile = "";
+
+ my $basedir;
+
+ my $parsing_file;
+ my @lines;
- $result->{ERROR_CODE} = -1;
+ $ENV{builddir} = $builddir;
+ $ENV{srcdir} = $srcdir;
- open(CONFIG_MK, "< $filename") || die ("Can't open $filename\n");
+ ($parsing_file, $basedir, @lines) =
+ _read_config_file($srcdir, $builddir, $filename);
- while (<CONFIG_MK>) {
- my $line = $_;
- my $val;
+ 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) {
$linenum++;
- #
- # lines beginnig with '#' are ignored
- #
- if ($line =~ /^\#.*$/) {
+ # lines beginning with '#' are ignored
+ next if (/^\#.*$/);
+
+ if (/^(.*)\\$/) {
+ $prev .= $1;
next;
+ } else {
+ $line = "$prev$_";
+ $prev = "";
}
- #
- #
- #
- if (($waiting == 0) && ($line =~ /^\[([a-zA-Z0-9_:]+)\][\t ]*$/)) {
+ if ($line =~ /^\[([-a-zA-Z0-9_:]+)\][\t ]*$/)
+ {
$section = $1;
+ $infragment = 0;
next;
}
-
- #
- # 1.) lines with an alphanumeric character indicate
- # a new variable,
- # 2.) followed by zero or more whitespaces or tabs
- # 3.) then one '=' character
- # 4.) followed by the value of the variable
- # 5.) a newline ('\n') can be escaped by a '\' before the newline
- # and the next line needs to start with a tab ('\t')
- #
- if (($waiting == 0) && ($line =~ /^([a-zA-Z0-9_]+)[\t ]*=(.*)$/)) {
- $key = $1;
- $val = $2;
-
- #
- # when we have a '\' before the newline
- # then skip it and wait for the next line.
- #
- if ($val =~ /(.*)(\\)$/) {
- $val = $1;
- $waiting = 1;
- } else {
- $waiting = 0;
- }
- $result->{$section}{$key}{KEY} = $key;
- $result->{$section}{$key}{VAL} = $val;
+ # include
+ if ($line =~ /^include (.*)$/) {
+ my $subfile= $1;
+ my $subdir = dirname($filename);
+ $subdir =~ s/^\.$//g;
+ $subdir =~ s/^\.\///g;
+ $subdir .= "/" if ($subdir ne "");
+ $makefile .= run_config_mk($input, $srcdir, $builddir, $subdir.$subfile);
next;
}
- #
- # when we are waiting for a value to continue then
- # check if it has a leading tab.
- #
- if (($waiting == 1) && ($line =~ /^\t(.*)$/)) {
- $val = $1;
-
- #
- # when we have a '\' before the newline
- # then skip it and wait for the next line.
- #
- if ($val =~ /(.*)( \\)$/) {
- $val = $1;
- $waiting = 1;
- } else {
- $waiting = 0;
- }
-
- $result->{$section}{$key}{VAL} .= " ";
- $result->{$section}{$key}{VAL} .= $val;
+ # empty line
+ if ($line =~ /^[ \t]*$/) {
+ $section = "GLOBAL";
+ if ($infragment) { $makefile.="\n"; }
next;
}
- #
- # catch empty lines they're ignored
- # and we're no longer waiting for the value to continue
- #
- if ($line =~ /^$/) {
- $waiting = 0;
+ # global stuff is considered part of the makefile
+ if ($section eq "GLOBAL") {
+ if (!$infragment) { $makefile.="\n"; }
+ $makefile .= $line;
+ $infragment = 1;
next;
}
- close(CONFIG_MK);
-
- $result->{ERROR_STR} = "Bad line while parsing $filename\n$filename:$linenum: $line";
+
+ # Assignment
+ if ($line =~ /^([a-zA-Z0-9_]+)[\t ]*=(.*)$/) {
+ $result->{$section}{$1}{VAL} = $2;
+ $result->{$section}{$1}{KEY} = $1;
+
+ next;
+ }
- return $result;
+ die("$parsing_file:$linenum: Bad line while parsing $parsing_file");
}
- close(CONFIG_MK);
-
- $result->{ERROR_CODE} = 0;
-
- return $result;
-}
-
-sub import_file($$)
-{
- my ($input, $filename) = @_;
-
- my $result = _parse_config_mk($filename);
-
- die ($result->{ERROR_STR}) unless $result->{ERROR_CODE} == 0;
+ $makefile .= "# }END $parsing_file\n";
foreach my $section (keys %{$result}) {
- next if ($section eq "ERROR_CODE");
my ($type, $name) = split(/::/, $section, 2);
-
+
+ my $sectype = $section_types->{$type};
+ if (not defined($sectype)) {
+ die($parsing_file.":[".$section."] unknown section type \"".$type."\"!");
+ }
+
$input->{$name}{NAME} = $name;
$input->{$name}{TYPE} = $type;
+ $input->{$name}{MK_FILE} = $parsing_file;
+ $input->{$name}{BASEDIR} = $basedir;
foreach my $key (values %{$result->{$section}}) {
- $key->{VAL} = input::strtrim($key->{VAL});
- my $vartype = $attribute_types{$key->{KEY}};
+ $key->{VAL} = smb_build::input::strtrim($key->{VAL});
+ my $vartype = $sectype->{$key->{KEY}};
if (not defined($vartype)) {
- die("Unknown attribute $key->{KEY}");
+ die($parsing_file.":[".$section."]: unknown attribute type \"$key->{KEY}\"!");
}
if ($vartype eq "string") {
$input->{$name}{$key->{KEY}} = $key->{VAL};
} elsif ($vartype eq "list") {
- $input->{$name}{$key->{KEY}} = [input::str2array($key->{VAL})];
+ $input->{$name}{$key->{KEY}} = [smb_build::input::str2array($key->{VAL})];
} elsif ($vartype eq "bool") {
if (($key->{VAL} ne "YES") and ($key->{VAL} ne "NO")) {
- die("Invalid value for bool attribute $key->{KEY}: $key->{VAL}");
+ die("Invalid value for bool attribute $key->{KEY}: $key->{VAL} in section $section");
}
$input->{$name}{$key->{KEY}} = $key->{VAL};
}
}
}
+
+ return $makefile;
}
+
1;
git.samba.org / samba.git / blobdiff