From patchwork Tue Apr 17 14:45:33 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Petazzoni X-Patchwork-Id: 153215 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from fraxinus.osuosl.org (fraxinus.osuosl.org [140.211.166.137]) by ozlabs.org (Postfix) with ESMTP id DB0C7B7003 for ; Wed, 18 Apr 2012 00:49:58 +1000 (EST) Received: from localhost (localhost [127.0.0.1]) by fraxinus.osuosl.org (Postfix) with ESMTP id B119A101ABC; Tue, 17 Apr 2012 14:49:57 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org X-Amavis-Alert: BAD HEADER SECTION, Duplicate header field: "References" Received: from fraxinus.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id qb7M0gsmXw6M; Tue, 17 Apr 2012 14:49:33 +0000 (UTC) Received: from ash.osuosl.org (ash.osuosl.org [140.211.166.34]) by fraxinus.osuosl.org (Postfix) with ESMTP id 92D17101A44; Tue, 17 Apr 2012 14:46:52 +0000 (UTC) X-Original-To: buildroot@lists.busybox.net Delivered-To: buildroot@osuosl.org Received: from silver.osuosl.org (silver.osuosl.org [140.211.166.136]) by ash.osuosl.org (Postfix) with ESMTP id A73808F75B for ; Tue, 17 Apr 2012 14:46:42 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by silver.osuosl.org (Postfix) with ESMTP id A295030609 for ; Tue, 17 Apr 2012 14:46:42 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org X-Amavis-Alert: BAD HEADER SECTION, Duplicate header field: "References" Received: from silver.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 8NUhJ8Rtydel for ; Tue, 17 Apr 2012 14:46:36 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from mail.free-electrons.com (mail.free-electrons.com [88.190.12.23]) by silver.osuosl.org (Postfix) with ESMTP id DD8AA31808 for ; Tue, 17 Apr 2012 14:46:35 +0000 (UTC) Received: by mail.free-electrons.com (Postfix, from userid 106) id AECA1182; Tue, 17 Apr 2012 16:45:58 +0200 (CEST) Received: from localhost (col31-4-88-188-83-94.fbx.proxad.net [88.188.83.94]) by mail.free-electrons.com (Postfix) with ESMTPSA id 2F95D1BD for ; Tue, 17 Apr 2012 16:45:21 +0200 (CEST) From: Thomas Petazzoni To: buildroot@busybox.net Date: Tue, 17 Apr 2012 16:45:33 +0200 Message-Id: <220d9a8b4d534785bfc0f2bce23a5bc4a795539e.1334673910.git.thomas.petazzoni@free-electrons.com> X-Mailer: git-send-email 1.7.4.1 In-Reply-To: References: In-Reply-To: References: Subject: [Buildroot] [PATCH 21/22] mklibs: remove support X-BeenThere: buildroot@busybox.net X-Mailman-Version: 2.1.14 Precedence: list List-Id: Discussion and development of buildroot List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: buildroot-bounces@busybox.net Sender: buildroot-bounces@busybox.net The support for mklibs has been marked broken since more than a year and nobody cared to bring it up to a working state. Signed-off-by: Thomas Petazzoni --- toolchain/mklibs/Config.in | 6 - toolchain/mklibs/mklibs.mk | 49 --- toolchain/mklibs/mklibs.py | 597 ----------------------------- toolchain/toolchain-buildroot.mk | 1 - toolchain/toolchain-buildroot/Config.in.2 | 1 - toolchain/toolchain-crosstool-ng.mk | 1 - toolchain/toolchain-external.mk | 1 - 7 files changed, 0 insertions(+), 656 deletions(-) delete mode 100644 toolchain/mklibs/Config.in delete mode 100644 toolchain/mklibs/mklibs.mk delete mode 100644 toolchain/mklibs/mklibs.py diff --git a/toolchain/mklibs/Config.in b/toolchain/mklibs/Config.in deleted file mode 100644 index c065866..0000000 --- a/toolchain/mklibs/Config.in +++ /dev/null @@ -1,6 +0,0 @@ -config BR2_MKLIBS - bool "Run mklibs on the built root filesystem" - depends on BROKEN - help - Recompiles all the shared libraries to only include the - symbols actually needed to run the binaries on the target diff --git a/toolchain/mklibs/mklibs.mk b/toolchain/mklibs/mklibs.mk deleted file mode 100644 index 2dac984..0000000 --- a/toolchain/mklibs/mklibs.mk +++ /dev/null @@ -1,49 +0,0 @@ -###################################################################### -# -# mklibs -# -###################################################################### -MKLIBS_PROGRAM:=$(STAGING_DIR)/bin/mklibs.py - -$(MKLIBS_PROGRAM): toolchain/mklibs/mklibs.py - cp -dpf toolchain/mklibs/mklibs.py $@ - -mklibs-clean: - rm -f $(MKLIBS_PROGRAM) - -mklibs-dirclean: - true - -############################################################# -# -# Run mklibs -# -############################################################# -MKLIBS_PYTHON:=$(shell which python) -ifeq ($(MKLIBS_PYTHON),) - MKLIBS_PYTHON=/usr/bin/python -endif - -$(STAGING_DIR)/mklibs-stamp: $(MKLIBS_PROGRAM) $(MKLIBS_PYTHON) $(STAGING_DIR)/lib/* - find $(TARGET_DIR) -type f -perm +100 -exec \ - file -r -N -F '' {} + | \ - awk ' /executable.*dynamically/ { print $$1 }' > $(STAGING_DIR)/mklibs-progs - cd $(TARGET_DIR); PATH=$(PATH):$(STAGING_DIR)/bin $(MKLIBS_PYTHON) $(MKLIBS_PROGRAM) \ - --target $(REAL_GNU_TARGET_NAME) --root $(STAGING_DIR) -d ./ \ - `cat $(STAGING_DIR)/mklibs-progs` - touch $@ - -# this empty target allows a mklibs dependeny to be included in the -# target targets, but it will be only invoked if BR2_MKLIBS is conf'ed -.PHONY: mklibs -mklibs: - -############################################################# -# -# Toplevel Makefile options -# -############################################################# - -ifeq ($(BR2_MKLIBS),y) -mklibs: $(STAGING_DIR)/mklibs-stamp -endif diff --git a/toolchain/mklibs/mklibs.py b/toolchain/mklibs/mklibs.py deleted file mode 100644 index a84fd42..0000000 --- a/toolchain/mklibs/mklibs.py +++ /dev/null @@ -1,597 +0,0 @@ -#! /usr/bin/python - -# mklibs.py: An automated way to create a minimal /lib/ directory. -# -# Copyright 2001 by Falk Hueffner -# & Goswin Brederlow -# -# mklibs.sh by Marcus Brinkmann -# used as template -# -# This program is free software; you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation; either version 2 of the License, or -# (at your option) any later version. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - -# HOW IT WORKS -# -# - Gather all unresolved symbols and libraries needed by the programs -# and reduced libraries -# - Gather all symbols provided by the already reduced libraries -# (none on the first pass) -# - If all symbols are provided we are done -# - go through all libraries and remember what symbols they provide -# - go through all unresolved/needed symbols and mark them as used -# - for each library: -# - find pic file (if not present copy and strip the so) -# - compile in only used symbols -# - strip -# - back to the top - -# TODO -# * complete argument parsing as given as comment in main - -import commands -import string -import re -import sys -import os -import glob -import getopt -from stat import * - -DEBUG_NORMAL = 1 -DEBUG_VERBOSE = 2 -DEBUG_SPAM = 3 - -debuglevel = DEBUG_NORMAL - -def debug(level, *msg): - if debuglevel >= level: - print string.join(msg) - -# A simple set class. It should be replaced with the standard sets.Set -# type as soon as Python 2.3 is out. -class Set: - def __init__(self): - self.__dict = {} - - def add(self, obj): - self.__dict[obj] = 1 - - def contains(self, obj): - return self.__dict.has_key(obj) - - def merge(self, s): - for e in s.elems(): - self.add(e) - - def elems(self): - return self.__dict.keys() - - def size(self): - return len(self.__dict) - - def __eq__(self, other): - return self.__dict == other.__dict - - def __str__(self): - return `self.__dict.keys()` - - def __repr__(self): - return `self.__dict.keys()` - -# return a list of lines of output of the command -def command(command, *args): - debug(DEBUG_SPAM, "calling", command, string.join(args)) - (status, output) = commands.getstatusoutput(command + ' ' + string.join(args)) - if os.WEXITSTATUS(status) != 0: - print "Command failed with status", os.WEXITSTATUS(status), ":", \ - command, string.join(args) - print "With output:", output - sys.exit(1) - return string.split(output, '\n') - -# Filter a list according to a regexp containing a () group. Return -# a Set. -def regexpfilter(list, regexp, groupnr = 1): - pattern = re.compile(regexp) - result = Set() - for x in list: - match = pattern.match(x) - if match: - result.add(match.group(groupnr)) - - return result - -# Return a Set of rpath strings for the passed object -def rpath(obj): - if not os.access(obj, os.F_OK): - raise "Cannot find lib: " + obj - output = command(target + "objdump", "--private-headers", obj) - return map(lambda x: root + "/" + x, regexpfilter(output, ".*RPATH\s*(\S+)$").elems()) - -# Return a Set of libraries the passed objects depend on. -def library_depends(obj): - if not os.access(obj, os.F_OK): - raise "Cannot find lib: " + obj - output = command(target + "objdump", "--private-headers", obj) - return regexpfilter(output, ".*NEEDED\s*(\S+)$") - -# Return a list of libraries the passed objects depend on. The -# libraries are in "-lfoo" format suitable for passing to gcc. -def library_depends_gcc_libnames(obj): - if not os.access(obj, os.F_OK): - raise "Cannot find lib: " + obj - output = command(target + "objdump", "--private-headers", obj) - output = regexpfilter(output, ".*NEEDED\s*lib(\S+)\.so.*$") - if not output.elems(): - return "" - else: - return "-l" + string.join(output.elems(), " -l") - -# Scan readelf output. Example: -# Num: Value Size Type Bind Vis Ndx Name -# 1: 000000012002ab48 168 FUNC GLOBAL DEFAULT UND strchr@GLIBC_2.0 (2) -symline_regexp = \ - re.compile("\s*\d+: .+\s+\d+\s+\w+\s+(\w+)+\s+\w+\s+(\w+)\s+([^\s@]+)") - -# Return undefined symbols in an object as a Set of tuples (name, weakness) -def undefined_symbols(obj): - if not os.access(obj, os.F_OK): - raise "Cannot find lib" + obj - - result = Set() - output = command(target + "readelf", "-s", "-W", obj) - for line in output: - match = symline_regexp.match(line) - if match: - bind, ndx, name = match.groups() - if ndx == "UND": - result.add((name, bind == "WEAK")) - return result - -# Return a Set of symbols provided by a library -def provided_symbols(obj): - if not os.access(obj, os.F_OK): - raise "Cannot find lib" + obj - - result = Set() - debug(DEBUG_SPAM, "provided_symbols result = ", `result`) - output = command(target + "readelf", "-s", "-W", obj) - for line in output: - match = symline_regexp.match(line) - if match: - bind, ndx, name = match.groups() - if bind != "LOCAL" and not ndx in ("UND", "ABS"): - debug(DEBUG_SPAM, "provided_symbols adding ", `name`) - result.add(name) - return result - -# Return real target of a symlink -def resolve_link(file): - debug(DEBUG_SPAM, "resolving", file) - while S_ISLNK(os.lstat(file)[ST_MODE]): - new_file = os.readlink(file) - if new_file[0] != "/": - file = os.path.join(os.path.dirname(file), new_file) - else: - file = new_file - debug(DEBUG_SPAM, "resolved to", file) - return file - -# Find complete path of a library, by searching in lib_path -def find_lib(lib): - for path in lib_path: - if os.access(path + "/" + lib, os.F_OK): - return path + "/" + lib - - return "" - -# Find a PIC archive for the library -def find_pic(lib): - base_name = so_pattern.match(lib).group(1) - for path in lib_path: - for file in glob.glob(path + "/" + base_name + "_pic.a"): - if os.access(file, os.F_OK): - return resolve_link(file) - return "" - -# Find a PIC .map file for the library -def find_pic_map(lib): - base_name = so_pattern.match(lib).group(1) - for path in lib_path: - for file in glob.glob(path + "/" + base_name + "_pic.map"): - if os.access(file, os.F_OK): - return resolve_link(file) - return "" - -def extract_soname(so_file): - soname_data = regexpfilter(command(target + "readelf", "--all", "-W", so_file), - ".*SONAME.*\[(.*)\].*") - if soname_data.elems(): - return soname_data.elems()[0] - - return "" -def usage(was_err): - if was_err: - outfd = sys.stderr - else: - outfd = sys.stdout - print >> outfd, "Usage: mklibs [OPTION]... -d DEST FILE ..." - print >> outfd, "Make a set of minimal libraries for FILE(s) in DEST." - print >> outfd, "" - print >> outfd, " -d, --dest-dir DIRECTORY create libraries in DIRECTORY" - print >> outfd, " -D, --no-default-lib omit default libpath (", string.join(default_lib_path, " : "), ")" - print >> outfd, " -L DIRECTORY[:DIRECTORY]... add DIRECTORY(s) to the library search path" - print >> outfd, " --ldlib LDLIB use LDLIB for the dynamic linker" - print >> outfd, " --libc-extras-dir DIRECTORY look for libc extra files in DIRECTORY" - # Ugh... Adding the trailing '-' breaks common practice. - #print >> outfd, " --target TARGET prepend TARGET- to the gcc and binutils calls" - print >> outfd, " --target TARGET prepend TARGET to the gcc and binutils calls" - print >> outfd, " --root ROOT search in ROOT for library rpaths" - print >> outfd, " -v, --verbose explain what is being done" - print >> outfd, " -h, --help display this help and exit" - sys.exit(was_err) - -def version(vers): - print "mklibs: version ",vers - print "" - -#################### main #################### -## Usage: ./mklibs.py [OPTION]... -d DEST FILE ... -## Make a set of minimal libraries for FILE ... in directory DEST. -## -## Options: -## -L DIRECTORY Add DIRECTORY to library search path. -## -D, --no-default-lib Do not use default lib directories of /lib:/usr/lib -## -n, --dry-run Don't actually run any commands; just print them. -## -v, --verbose Print additional progress information. -## -V, --version Print the version number and exit. -## -h, --help Print this help and exit. -## --ldlib Name of dynamic linker (overwrites environment variable ldlib) -## --libc-extras-dir Directory for libc extra files -## --target Use as prefix for gcc or binutils calls -## -## -d, --dest-dir DIRECTORY Create libraries in DIRECTORY. -## -## Required arguments for long options are also mandatory for the short options. - -# Clean the environment -vers="0.12 with uClibc fixes" -os.environ['LC_ALL'] = "C" - -# Argument parsing -opts = "L:DnvVhd:r:" -longopts = ["no-default-lib", "dry-run", "verbose", "version", "help", - "dest-dir=", "ldlib=", "libc-extras-dir=", "target=", "root="] - -# some global variables -lib_rpath = [] -lib_path = [] -dest_path = "DEST" -ldlib = "LDLIB" -include_default_lib_path = "yes" -default_lib_path = ["/lib/", "/usr/lib/", "/usr/X11R6/lib/"] -libc_extras_dir = "/usr/lib/libc_pic" -target = "" -root = "" -so_pattern = re.compile("((lib|ld).*)\.so(\..+)*") -script_pattern = re.compile("^#!\s*/") - -try: - optlist, proglist = getopt.getopt(sys.argv[1:], opts, longopts) -except getopt.GetoptError, msg: - print >> sys.stderr, msg - usage(1) - -for opt, arg in optlist: - if opt in ("-v", "--verbose"): - if debuglevel < DEBUG_SPAM: - debuglevel = debuglevel + 1 - elif opt == "-L": - lib_path.extend(string.split(arg, ":")) - elif opt in ("-d", "--dest-dir"): - dest_path = arg - elif opt in ("-D", "--no-default-lib"): - include_default_lib_path = "no" - elif opt == "--ldlib": - ldlib = arg - elif opt == "--libc-extras-dir": - libc_extras_dir = arg - elif opt == "--target": - #target = arg + "-" - target = arg - elif opt in ("-r", "--root"): - root = arg - elif opt in ("--help", "-h"): - usage(0) - sys.exit(0) - elif opt in ("--version", "-V"): - version(vers) - sys.exit(0) - else: - print "WARNING: unknown option: " + opt + "\targ: " + arg - -if include_default_lib_path == "yes": - lib_path.extend(default_lib_path) - -if ldlib == "LDLIB": - ldlib = os.getenv("ldlib") - -objects = {} # map from inode to filename -for prog in proglist: - inode = os.stat(prog)[ST_INO] - if objects.has_key(inode): - debug(DEBUG_SPAM, prog, "is a hardlink to", objects[inode]) - elif so_pattern.match(prog): - debug(DEBUG_SPAM, prog, "is a library") - elif script_pattern.match(open(prog).read(256)): - debug(DEBUG_SPAM, prog, "is a script") - else: - objects[inode] = prog - -if not ldlib: - pattern = re.compile(".*Requesting program interpreter:.*/([^\]/]+).*") - for obj in objects.values(): - output = command(target + "readelf", "--program-headers", obj) - for x in output: - match = pattern.match(x) - if match: - ldlib = match.group(1) - break - if ldlib: - break - -if not ldlib: - sys.exit("E: Dynamic linker not found, aborting.") - -debug(DEBUG_NORMAL, "I: Using", ldlib, "as dynamic linker.") - -pattern = re.compile(".*ld-uClibc.*"); -if pattern.match(ldlib): - uclibc = 1 -else: - uclibc = 0 - -# Check for rpaths -for obj in objects.values(): - rpath_val = rpath(obj) - if rpath_val: - if root: - if debuglevel >= DEBUG_VERBOSE: - print "Adding rpath " + string.join(rpath_val, ":") + " for " + obj - lib_rpath.extend(rpath_val) - else: - print "warning: " + obj + " may need rpath, but --root not specified" - -lib_path.extend(lib_rpath) - -passnr = 1 -previous_pass_unresolved = Set() -while 1: - debug(DEBUG_NORMAL, "I: library reduction pass", `passnr`) - if debuglevel >= DEBUG_VERBOSE: - print "Objects:", - for obj in objects.values(): - print obj[string.rfind(obj, '/') + 1:], - print - - passnr = passnr + 1 - # Gather all already reduced libraries and treat them as objects as well - small_libs = [] - for lib in regexpfilter(os.listdir(dest_path), "(.*-so-stripped)$").elems(): - obj = dest_path + "/" + lib - small_libs.append(obj) - inode = os.stat(obj)[ST_INO] - if objects.has_key(inode): - debug(DEBUG_SPAM, obj, "is hardlink to", objects[inode]) - else: - objects[inode] = obj - - # DEBUG - for obj in objects.values(): - small_libs.append(obj) - debug(DEBUG_VERBOSE, "Object:", obj) - - # calculate what symbols and libraries are needed - needed_symbols = Set() # Set of (name, weakness-flag) - libraries = Set() - for obj in objects.values(): - needed_symbols.merge(undefined_symbols(obj)) - libraries.merge(library_depends(obj)) - - # FIXME: on i386 this is undefined but not marked UND - # I don't know how to detect those symbols but this seems - # to be the only one and including it on alpha as well - # doesn't hurt. I guess all archs can live with this. - needed_symbols.add(("sys_siglist", 1)) - - # calculate what symbols are present in small_libs - present_symbols = Set() - for lib in small_libs: - present_symbols.merge(provided_symbols(lib)) - - # are we finished? - using_ctor_dtor = 0 - num_unresolved = 0 - present_symbols_elems = present_symbols.elems() - unresolved = Set() - for (symbol, is_weak) in needed_symbols.elems(): - if not symbol in present_symbols_elems: - debug(DEBUG_SPAM, "Still need:", symbol, `is_weak`) - unresolved.add((symbol, is_weak)) - num_unresolved = num_unresolved + 1 - - debug (DEBUG_NORMAL, `needed_symbols.size()`, "symbols,", - `num_unresolved`, "unresolved") - - if num_unresolved == 0: - break - - if unresolved == previous_pass_unresolved: - # No progress in last pass. Verify all remaining symbols are weak. - for (symbol, is_weak) in unresolved.elems(): - if not is_weak: - raise "Unresolvable symbol " + symbol - break - - previous_pass_unresolved = unresolved - - library_symbols = {} - library_symbols_used = {} - symbol_provider = {} - - # Calculate all symbols each library provides - for library in libraries.elems(): - path = find_lib(library) - if not path: - sys.exit("Library not found: " + library + " in path: " - + string.join(lib_path, " : ")) - symbols = provided_symbols(path) - library_symbols[library] = Set() - library_symbols_used[library] = Set() - for symbol in symbols.elems(): - if symbol_provider.has_key(symbol): - # in doubt, prefer symbols from libc - if re.match("^libc[\.-]", library): - library_symbols[library].add(symbol) - symbol_provider[symbol] = library - else: - debug(DEBUG_SPAM, "duplicate symbol", symbol, "in", - symbol_provider[symbol], "and", library) - else: - library_symbols[library].add(symbol) - symbol_provider[symbol] = library - - # Fixup support for constructors and destructors - if symbol_provider.has_key("_init"): - debug(DEBUG_VERBOSE, library, ": Library has a constructor!"); - using_ctor_dtor = 1 - library_symbols[library].add("_init") - symbol_provider["_init"] = library - library_symbols_used[library].add("_init") - - if symbol_provider.has_key("_fini"): - debug(DEBUG_VERBOSE, library, ": Library has a destructor!"); - using_ctor_dtor = 1 - library_symbols[library].add("_fini") - symbol_provider["_fini"] = library - library_symbols_used[library].add("_fini") - - # which symbols are actually used from each lib - for (symbol, is_weak) in needed_symbols.elems(): - if not symbol_provider.has_key(symbol): - if not is_weak: - if not uclibc or (symbol != "main"): - raise "No library provides non-weak " + symbol - else: - lib = symbol_provider[symbol] - library_symbols_used[lib].add(symbol) - - # reduce libraries - for library in libraries.elems(): - debug(DEBUG_VERBOSE, "reducing", library) - debug(DEBUG_SPAM, "using: " + string.join(library_symbols_used[library].elems())) - so_file = find_lib(library) - if root and (re.compile("^" + root).search(so_file)): - debug(DEBUG_VERBOSE, "no action required for " + so_file) - continue - so_file_name = os.path.basename(so_file) - if not so_file: - sys.exit("File not found:" + library) - pic_file = find_pic(library) - if not pic_file: - # No pic file, so we have to use the .so file, no reduction - debug(DEBUG_VERBOSE, "No pic file found for", so_file, "; copying") - command(target + "objcopy", "--strip-unneeded -R .note -R .comment", - so_file, dest_path + "/" + so_file_name + "-so-stripped") - else: - # we have a pic file, recompile - debug(DEBUG_SPAM, "extracting from:", pic_file, "so_file:", so_file) - soname = extract_soname(so_file) - if soname == "": - debug(DEBUG_VERBOSE, so_file, " has no soname, copying") - continue - debug(DEBUG_SPAM, "soname:", soname) - base_name = so_pattern.match(library).group(1) - # libc needs its soinit.o and sofini.o as well as the pic - if (base_name == "libc") and not uclibc: - # force dso_handle.os to be included, otherwise reduced libc - # may segfault in ptmalloc_init due to undefined weak reference - extra_flags = find_lib(ldlib) + " -u __dso_handle" - extra_pre_obj = libc_extras_dir + "/soinit.o" - extra_post_obj = libc_extras_dir + "/sofini.o" - else: - extra_flags = "" - extra_pre_obj = "" - extra_post_obj = "" - map_file = find_pic_map(library) - if map_file: - extra_flags = extra_flags + " -Wl,--version-script=" + map_file - if library_symbols_used[library].elems(): - joined_symbols = "-u" + string.join(library_symbols_used[library].elems(), " -u") - else: - joined_symbols = "" - if using_ctor_dtor == 1: - extra_flags = extra_flags + " -shared" - # compile in only used symbols - command(target + "gcc", - "-nostdlib -nostartfiles -shared -Wl,-soname=" + soname,\ - joined_symbols, \ - "-o", dest_path + "/" + so_file_name + "-so", \ - extra_pre_obj, \ - pic_file, \ - extra_post_obj, \ - extra_flags, \ - "-lgcc -L", dest_path, \ - "-L" + string.join(lib_path, " -L"), \ - library_depends_gcc_libnames(so_file)) - # strip result - command(target + "objcopy", "--strip-unneeded -R .note -R .comment", - dest_path + "/" + so_file_name + "-so", - dest_path + "/" + so_file_name + "-so-stripped") - ## DEBUG - debug(DEBUG_VERBOSE, so_file, "\t", `os.stat(so_file)[ST_SIZE]`) - debug(DEBUG_VERBOSE, dest_path + "/" + so_file_name + "-so", "\t", - `os.stat(dest_path + "/" + so_file_name + "-so")[ST_SIZE]`) - debug(DEBUG_VERBOSE, dest_path + "/" + so_file_name + "-so-stripped", - "\t", `os.stat(dest_path + "/" + so_file_name + "-so-stripped")[ST_SIZE]`) - -# Finalising libs and cleaning up -for lib in regexpfilter(os.listdir(dest_path), "(.*)-so-stripped$").elems(): - os.rename(dest_path + "/" + lib + "-so-stripped", dest_path + "/" + lib) -for lib in regexpfilter(os.listdir(dest_path), "(.*-so)$").elems(): - os.remove(dest_path + "/" + lib) - -# Canonicalize library names. -for lib in regexpfilter(os.listdir(dest_path), "(.*so[.\d]*)$").elems(): - this_lib_path = dest_path + "/" + lib - if os.path.islink(this_lib_path): - debug(DEBUG_VERBOSE, "Unlinking %s." % lib) - os.remove(this_lib_path) - continue - soname = extract_soname(this_lib_path) - if soname: - debug(DEBUG_VERBOSE, "Moving %s to %s." % (lib, soname)) - os.rename(dest_path + "/" + lib, dest_path + "/" + soname) - -# Make sure the dynamic linker is present and is executable -ld_file = find_lib(ldlib) -ld_file_name = os.path.basename(ld_file) - -if not os.access(dest_path + "/" + ld_file_name, os.F_OK): - debug(DEBUG_NORMAL, "I: stripping and copying dynamic linker.") - command(target + "objcopy", "--strip-unneeded -R .note -R .comment", - ld_file, dest_path + "/" + ld_file_name) - -os.chmod(dest_path + "/" + ld_file_name, 0755) diff --git a/toolchain/toolchain-buildroot.mk b/toolchain/toolchain-buildroot.mk index f21cefd..adab0f7 100644 --- a/toolchain/toolchain-buildroot.mk +++ b/toolchain/toolchain-buildroot.mk @@ -4,5 +4,4 @@ include toolchain/elf2flt/elf2flt.mk include toolchain/gcc/gcc-uclibc-4.x.mk include toolchain/gdb/gdb.mk include toolchain/kernel-headers/kernel-headers.mk -include toolchain/mklibs/mklibs.mk include toolchain/uClibc/uclibc.mk diff --git a/toolchain/toolchain-buildroot/Config.in.2 b/toolchain/toolchain-buildroot/Config.in.2 index 7f2f68f..7580946 100644 --- a/toolchain/toolchain-buildroot/Config.in.2 +++ b/toolchain/toolchain-buildroot/Config.in.2 @@ -97,7 +97,6 @@ choice endchoice source "toolchain/elf2flt/Config.in" -source "toolchain/mklibs/Config.in" config BR2_VFP_FLOAT bool "Use ARM Vector Floating Point unit" diff --git a/toolchain/toolchain-crosstool-ng.mk b/toolchain/toolchain-crosstool-ng.mk index f6cc2b9..d677256 100644 --- a/toolchain/toolchain-crosstool-ng.mk +++ b/toolchain/toolchain-crosstool-ng.mk @@ -6,5 +6,4 @@ include toolchain/elf2flt/elf2flt.mk include toolchain/gcc/gcc-uclibc-4.x.mk include toolchain/gdb/gdb.mk include toolchain/toolchain-crosstool-ng/crosstool-ng.mk -include toolchain/mklibs/mklibs.mk include toolchain/uClibc/uclibc.mk diff --git a/toolchain/toolchain-external.mk b/toolchain/toolchain-external.mk index d5b2aac..4292d85 100644 --- a/toolchain/toolchain-external.mk +++ b/toolchain/toolchain-external.mk @@ -5,6 +5,5 @@ include toolchain/elf2flt/elf2flt.mk include toolchain/gcc/gcc-uclibc-4.x.mk include toolchain/gdb/gdb.mk include toolchain/kernel-headers/kernel-headers.mk -include toolchain/mklibs/mklibs.mk include toolchain/toolchain-external/ext-tool.mk include toolchain/uClibc/uclibc.mk