diff options
-rw-r--r-- | package/trousers/0002-Check-if-the-compiler-understands-pie-and-relro-options.patch | 215 | ||||
-rw-r--r-- | package/trousers/trousers.mk | 9 |
2 files changed, 224 insertions, 0 deletions
diff --git a/package/trousers/0002-Check-if-the-compiler-understands-pie-and-relro-options.patch b/package/trousers/0002-Check-if-the-compiler-understands-pie-and-relro-options.patch new file mode 100644 index 0000000000..3275b76a2c --- /dev/null +++ b/package/trousers/0002-Check-if-the-compiler-understands-pie-and-relro-options.patch @@ -0,0 +1,215 @@ +From 9abda1bb380bdbef1affaec381742ced394ca118 Mon Sep 17 00:00:00 2001 +From: Lada Trimasova <ltrimas@synopsys.com> +Date: Mon, 18 Jan 2016 15:58:19 +0300 +Subject: [PATCH] Check if the compiler understands pie and relro options + +-pie and -fpie enable the building of position-independent +executables, and -Wl,-z,relro turns on read-only relocation support in gcc. +Add checks to ensure that the compiler and linker understand these options. + +Signed-off-by: Lada Trimasova <ltrimas@synopsys.com> +--- + configure.in | 5 +++ + m4/ax_check_compile_flag.m4 | 72 ++++++++++++++++++++++++++++++++++++ + m4/ax_check_link_flag.m4 | 71 +++++++++++++++++++++++++++++++++++ + src/tcsd/Makefile.am | 4 +- + 4 files changed, 150 insertions(+), 2 deletions(-) + create mode 100644 m4/ax_check_compile_flag.m4 + create mode 100644 m4/ax_check_link_flag.m4 + +diff --git a/configure.in b/configure.in +index add23dc..9603353 100644 +--- a/configure.in ++++ b/configure.in +@@ -12,6 +12,7 @@ TSS_VER_MINOR=3 + # compute $target + AC_CANONICAL_TARGET + AM_INIT_AUTOMAKE([foreign 1.6]) ++AC_CONFIG_MACRO_DIR([m4]) + + # Debugging support + AC_ARG_ENABLE([debug], +@@ -383,6 +384,10 @@ elif test x"${prefix}" = x"NONE"; then + localstatedir="/usr/local/var" + fi + ++AX_CHECK_COMPILE_FLAG([-fPIE -DPIE], [PIE_CFLAGS="-fPIE -DPIE"]) ++AX_CHECK_LINK_FLAG([-pie], [PIE_LDFLAGS="$PIE_LDFLAGS -pie"]) ++AX_CHECK_LINK_FLAG([-Wl,-z,relro], [LDFLAGS="$LDFLAGS -Wl,-z,relro"]) ++ + AC_OUTPUT(dist/tcsd.conf \ + dist/fedora/trousers.spec \ + dist/trousers.spec \ +diff --git a/m4/ax_check_compile_flag.m4 b/m4/ax_check_compile_flag.m4 +new file mode 100644 +index 0000000..c3a8d69 +--- /dev/null ++++ b/m4/ax_check_compile_flag.m4 +@@ -0,0 +1,72 @@ ++# =========================================================================== ++# http://www.gnu.org/software/autoconf-archive/ax_check_compile_flag.html ++# =========================================================================== ++# ++# SYNOPSIS ++# ++# AX_CHECK_COMPILE_FLAG(FLAG, [ACTION-SUCCESS], [ACTION-FAILURE], [EXTRA-FLAGS]) ++# ++# DESCRIPTION ++# ++# Check whether the given FLAG works with the current language's compiler ++# or gives an error. (Warnings, however, are ignored) ++# ++# ACTION-SUCCESS/ACTION-FAILURE are shell commands to execute on ++# success/failure. ++# ++# If EXTRA-FLAGS is defined, it is added to the current language's default ++# flags (e.g. CFLAGS) when the check is done. The check is thus made with ++# the flags: "CFLAGS EXTRA-FLAGS FLAG". This can for example be used to ++# force the compiler to issue an error when a bad flag is given. ++# ++# NOTE: Implementation based on AX_CFLAGS_GCC_OPTION. Please keep this ++# macro in sync with AX_CHECK_{PREPROC,LINK}_FLAG. ++# ++# LICENSE ++# ++# Copyright (c) 2008 Guido U. Draheim <guidod@gmx.de> ++# Copyright (c) 2011 Maarten Bosmans <mkbosmans@gmail.com> ++# ++# 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 3 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, see <http://www.gnu.org/licenses/>. ++# ++# As a special exception, the respective Autoconf Macro's copyright owner ++# gives unlimited permission to copy, distribute and modify the configure ++# scripts that are the output of Autoconf when processing the Macro. You ++# need not follow the terms of the GNU General Public License when using ++# or distributing such scripts, even though portions of the text of the ++# Macro appear in them. The GNU General Public License (GPL) does govern ++# all other use of the material that constitutes the Autoconf Macro. ++# ++# This special exception to the GPL applies to versions of the Autoconf ++# Macro released by the Autoconf Archive. When you make and distribute a ++# modified version of the Autoconf Macro, you may extend this special ++# exception to the GPL to apply to your modified version as well. ++ ++#serial 2 ++ ++AC_DEFUN([AX_CHECK_COMPILE_FLAG], ++[AC_PREREQ(2.59)dnl for _AC_LANG_PREFIX ++AS_VAR_PUSHDEF([CACHEVAR],[ax_cv_check_[]_AC_LANG_ABBREV[]flags_$4_$1])dnl ++AC_CACHE_CHECK([whether _AC_LANG compiler accepts $1], CACHEVAR, [ ++ ax_check_save_flags=$[]_AC_LANG_PREFIX[]FLAGS ++ _AC_LANG_PREFIX[]FLAGS="$[]_AC_LANG_PREFIX[]FLAGS $4 $1" ++ AC_COMPILE_IFELSE([AC_LANG_PROGRAM()], ++ [AS_VAR_SET(CACHEVAR,[yes])], ++ [AS_VAR_SET(CACHEVAR,[no])]) ++ _AC_LANG_PREFIX[]FLAGS=$ax_check_save_flags]) ++AS_IF([test x"AS_VAR_GET(CACHEVAR)" = xyes], ++ [m4_default([$2], :)], ++ [m4_default([$3], :)]) ++AS_VAR_POPDEF([CACHEVAR])dnl ++])dnl AX_CHECK_COMPILE_FLAGS +diff --git a/m4/ax_check_link_flag.m4 b/m4/ax_check_link_flag.m4 +new file mode 100644 +index 0000000..e2d0d36 +--- /dev/null ++++ b/m4/ax_check_link_flag.m4 +@@ -0,0 +1,71 @@ ++# =========================================================================== ++# http://www.gnu.org/software/autoconf-archive/ax_check_link_flag.html ++# =========================================================================== ++# ++# SYNOPSIS ++# ++# AX_CHECK_LINK_FLAG(FLAG, [ACTION-SUCCESS], [ACTION-FAILURE], [EXTRA-FLAGS]) ++# ++# DESCRIPTION ++# ++# Check whether the given FLAG works with the linker or gives an error. ++# (Warnings, however, are ignored) ++# ++# ACTION-SUCCESS/ACTION-FAILURE are shell commands to execute on ++# success/failure. ++# ++# If EXTRA-FLAGS is defined, it is added to the linker's default flags ++# when the check is done. The check is thus made with the flags: "LDFLAGS ++# EXTRA-FLAGS FLAG". This can for example be used to force the linker to ++# issue an error when a bad flag is given. ++# ++# NOTE: Implementation based on AX_CFLAGS_GCC_OPTION. Please keep this ++# macro in sync with AX_CHECK_{PREPROC,COMPILE}_FLAG. ++# ++# LICENSE ++# ++# Copyright (c) 2008 Guido U. Draheim <guidod@gmx.de> ++# Copyright (c) 2011 Maarten Bosmans <mkbosmans@gmail.com> ++# ++# 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 3 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, see <http://www.gnu.org/licenses/>. ++# ++# As a special exception, the respective Autoconf Macro's copyright owner ++# gives unlimited permission to copy, distribute and modify the configure ++# scripts that are the output of Autoconf when processing the Macro. You ++# need not follow the terms of the GNU General Public License when using ++# or distributing such scripts, even though portions of the text of the ++# Macro appear in them. The GNU General Public License (GPL) does govern ++# all other use of the material that constitutes the Autoconf Macro. ++# ++# This special exception to the GPL applies to versions of the Autoconf ++# Macro released by the Autoconf Archive. When you make and distribute a ++# modified version of the Autoconf Macro, you may extend this special ++# exception to the GPL to apply to your modified version as well. ++ ++#serial 2 ++ ++AC_DEFUN([AX_CHECK_LINK_FLAG], ++[AS_VAR_PUSHDEF([CACHEVAR],[ax_cv_check_ldflags_$4_$1])dnl ++AC_CACHE_CHECK([whether the linker accepts $1], CACHEVAR, [ ++ ax_check_save_flags=$LDFLAGS ++ LDFLAGS="$LDFLAGS $4 $1" ++ AC_LINK_IFELSE([AC_LANG_PROGRAM()], ++ [AS_VAR_SET(CACHEVAR,[yes])], ++ [AS_VAR_SET(CACHEVAR,[no])]) ++ LDFLAGS=$ax_check_save_flags]) ++AS_IF([test x"AS_VAR_GET(CACHEVAR)" = xyes], ++ [m4_default([$2], :)], ++ [m4_default([$3], :)]) ++AS_VAR_POPDEF([CACHEVAR])dnl ++])dnl AX_CHECK_LINK_FLAGS +diff --git a/src/tcsd/Makefile.am b/src/tcsd/Makefile.am +index 2210734..6640ab2 100644 +--- a/src/tcsd/Makefile.am ++++ b/src/tcsd/Makefile.am +@@ -1,8 +1,8 @@ + sbin_PROGRAMS=tcsd + +-tcsd_CFLAGS=-DAPPID=\"TCSD\" -DVAR_PREFIX=\"@localstatedir@\" -DETC_PREFIX=\"@sysconfdir@\" -I${top_srcdir}/src/include -fPIE -DPIE ++tcsd_CFLAGS=-DAPPID=\"TCSD\" -DVAR_PREFIX=\"@localstatedir@\" -DETC_PREFIX=\"@sysconfdir@\" -I${top_srcdir}/src/include $(PIE_CFLAGS) + tcsd_LDADD=${top_builddir}/src/tcs/libtcs.a ${top_builddir}/src/tddl/libtddl.a -lpthread @CRYPTOLIB@ +-tcsd_LDFLAGS=-pie -Wl,-z,relro -Wl,-z,now ++tcsd_LDFLAGS=$(PIE_LDFLAGS) $(RELRO_LDFLAGS) + + tcsd_SOURCES=svrside.c tcsd_conf.c tcsd_threads.c platform.c + +-- +2.5.0 + diff --git a/package/trousers/trousers.mk b/package/trousers/trousers.mk index 5ecab70f7e..70daa88172 100644 --- a/package/trousers/trousers.mk +++ b/package/trousers/trousers.mk @@ -10,6 +10,8 @@ TROUSERS_SITE = http://downloads.sourceforge.net/project/trousers/trousers/$(TRO TROUSERS_LICENSE = BSD-3c TROUSERS_LICENSE_FILES = LICENSE TROUSERS_INSTALL_STAGING = YES +# Need autoreconf because of a patch touching configure.in and Makefile.am +TROUSERS_AUTORECONF = YES TROUSERS_DEPENDENCIES = openssl ifeq ($(BR2_PACKAGE_LIBICONV),y) @@ -21,4 +23,11 @@ endif # workaround. TROUSERS_CONF_OPTS += --disable-usercheck +# uClibc toolchain for ARC doesn't support PIE at the moment +ifeq ($(BR2_arc),y) +TROUSERS_CONF_ENV += \ + ax_cv_check_cflags___fPIE__DPIE=no \ + ax_cv_check_ldflags___pie=no +endif + $(eval $(autotools-package)) |