[OE-core] [PATCH V2 1/6] libssp-nonshared: Add recipe

Mon Apr 30 15:05:08 UTC 2018

Oh yes, sorry missed that when I was trying to pick up just the SSP changes.

Ross

On 30 April 2018 at 15:17, Khem Raj <raj.khem at gmail.com> wrote:
> On Mon, Apr 30, 2018 at 6:08 AM, Burton, Ross <ross.burton at intel.com> wrote:
>> build-appliance is failing at SDK creation time:
>>
>>  Problem: package packagegroup-self-hosted-1.0-r13.0.noarch requires
>> packagegroup-self-hosted-sdk, but none of the providers can be
>> installed
>>   - conflicting requests
>>   - nothing provides libssp-dev needed by
>> packagegroup-self-hosted-sdk-1.0-r13.0.noarch
>>
>
> we do not need libssp there, I have sent a patch to remove it from packagegroup
> http://git.openembedded.org/openembedded-core-contrib/commit/?h=kraj/pu&id=03e113aedd069ea97f2f3ce96fc8337e3601732b
>
>> Ross
>>
>> On 20 April 2018 at 17:33, Khem Raj <raj.khem at gmail.com> wrote:
>>> libssp-nonshared is a minimal gcc runtime piece which is needed
>>> on non-glibc systems which do implement libssp APIs in libc
>>>
>>> Signed-off-by: Khem Raj <raj.khem at gmail.com>
>>> ---
>>> Changes since v1:
>>> - Package into staticdev package
>>>
>>>  meta/recipes-core/musl/libssp-nonshared.bb    | 39 ++++++++++++++++
>>>  .../musl/libssp-nonshared/ssp-local.c         | 45 +++++++++++++++++++
>>>  2 files changed, 84 insertions(+)
>>>  create mode 100644 meta/recipes-core/musl/libssp-nonshared.bb
>>>  create mode 100644 meta/recipes-core/musl/libssp-nonshared/ssp-local.c
>>>
>>> diff --git a/meta/recipes-core/musl/libssp-nonshared.bb b/meta/recipes-core/musl/libssp-nonshared.bb
>>> new file mode 100644
>>> index 0000000000..00a0a3d411
>>> --- /dev/null
>>> +++ b/meta/recipes-core/musl/libssp-nonshared.bb
>>> @@ -0,0 +1,39 @@
>>> +# Copyright (C) 2018 Khem Raj <raj.khem at gmail.com>
>>> +# Released under the MIT license (see COPYING.MIT for the terms)
>>> +
>>> +SUMMARY = "Minimal libssp_nonshared.a must needed for ssp to work with gcc on musl"
>>> +LICENSE = "GPL-3.0-with-GCC-exception"
>>> +LIC_FILES_CHKSUM = "file://ssp-local.c;beginline=1;endline=32;md5=c06d391208c0cfcbc541a6728ed65cc4"
>>> +SECTION = "libs"
>>> +
>>> +SRC_URI = "file://ssp-local.c"
>>> +
>>> +PATH_prepend = "${STAGING_BINDIR_TOOLCHAIN}.${STAGINGCC}:"
>>> +
>>> +INHIBIT_DEFAULT_DEPS = "1"
>>> +
>>> +STAGINGCC = "gcc-cross-initial-${TARGET_ARCH}"
>>> +STAGINGCC_class-nativesdk = "gcc-crosssdk-initial-${SDK_SYS}"
>>> +
>>> +DEPENDS = "virtual/${TARGET_PREFIX}binutils \
>>> +           virtual/${TARGET_PREFIX}gcc-initial \
>>> +"
>>> +
>>> +do_configure[noexec] = "1"
>>> +
>>> +S = "${WORKDIR}"
>>> +
>>> +do_compile() {
>>> +       ${CC} ${CPPFLAGS} ${CFLAGS} -c ssp-local.c -o ssp-local.o
>>> +       ${AR} r libssp_nonshared.a ssp-local.o
>>> +}
>>> +do_install() {
>>> +       install -Dm 0644 ${B}/libssp_nonshared.a ${D}${base_libdir}/libssp_nonshared.a
>>> +}
>>> +#
>>> +# We will skip parsing for non-musl systems
>>> +#
>>> +COMPATIBLE_HOST = ".*-musl.*"
>>> +RDEPENDS_${PN}-staticdev = ""
>>> +RDEPENDS_${PN}-dev = ""
>>> +RRECOMMENDS_${PN}-dbg = "${PN}-staticdev (= ${EXTENDPKGV})"
>>> diff --git a/meta/recipes-core/musl/libssp-nonshared/ssp-local.c b/meta/recipes-core/musl/libssp-nonshared/ssp-local.c
>>> new file mode 100644
>>> index 0000000000..8f51afa2c1
>>> --- /dev/null
>>> +++ b/meta/recipes-core/musl/libssp-nonshared/ssp-local.c
>>> @@ -0,0 +1,45 @@
>>> +/* Stack protector support.
>>> +   Copyright (C) 2005-2018 Free Software Foundation, Inc.
>>> +
>>> +This file is part of GCC.
>>> +
>>> +GCC 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, or (at your option) any later
>>> +version.
>>> +
>>> +In addition to the permissions in the GNU General Public License, the
>>> +Free Software Foundation gives you unlimited permission to link the
>>> +compiled version of this file into combinations with other programs,
>>> +and to distribute those combinations without any restriction coming
>>> +from the use of this file.  (The General Public License restrictions
>>> +do apply in other respects; for example, they cover modification of
>>> +the file, and distribution when not linked into a combine
>>> +executable.)
>>> +
>>> +GCC 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.
>>> +
>>> +Under Section 7 of GPL version 3, you are granted additional
>>> +permissions described in the GCC Runtime Library Exception, version
>>> +3.1, as published by the Free Software Foundation.
>>> +
>>> +You should have received a copy of the GNU General Public License and
>>> +a copy of the GCC Runtime Library Exception along with this program;
>>> +see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
>>> +<http://www.gnu.org/licenses/>.  */
>>> +
>>> +extern void __stack_chk_fail (void);
>>> +
>>> +/* Some targets can avoid loading a GP for calls to hidden functions.
>>> +   Using this entry point may avoid the load of a GP entirely for the
>>> +   function, making the overall code smaller.  */
>>> +
>>> +void
>>> +__attribute__((visibility ("hidden")))
>>> +__stack_chk_fail_local (void)
>>> +{
>>> +  __stack_chk_fail ();
>>> +}
>>> --
>>> 2.17.0
>>>
>>> --
>>> _______________________________________________
>>> Openembedded-core mailing list
>>> Openembedded-core at lists.openembedded.org
>>> http://lists.openembedded.org/mailman/listinfo/openembedded-core