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C++ applications that contain a specfic use of std::pair with tempates
cause the build to require many gigabytes of RAM to build.
This is a fix that was applied to the upstream GCC 7 branch.
Change-Id: I213f96d1d6332e2dce5765482ff3413f1abd7ff8
Signed-off-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Ross Burton <ross.burton@intel.com>
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When building on ppc64le hosts that have GCC 8 (such as Ubuntu 18.10)
the GCC build bootstrap fails.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86162
This is a fix that was applied to the upstream GCC 7 branch.
Change-Id: I7796d2a999ec420805dd1c6cf0a1ecba1de5a897
Signed-off-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Ross Burton <ross.burton@intel.com>
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Normal gcc-cross has build-id feature enabled by default, so most of
target binaries has build-id. But libc (glibc, musl) doesn't have
build-id, because it is built with gcc-cross-initial.
Build-id is a useful feature, so enable it for gcc-cross-initial too.
Signed-off-by: Taras Kondratiuk <takondra@cisco.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
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The patch seems to have been left behind when other uClibc specific
patches were purged from gcc in:
http://git.openembedded.org/openembedded-core/commit/?id=ec03023d2165b49a52b83bac1ea2f0bfded7b852
Signed-off-by: Andre McCurdy <armccurdy@gmail.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
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libssp is implemented fully in glibc as well as in musl
so we really do not need the gcc version of this library
except may be for mingw, where we keep it enabled anyway
gcc in OE is built with the knowledge that C library
already provides libssp implementation, we should therefore
not need the gcc implementation of same.
libssp_nonshared piece is a detail which is needed when gcc
is the compiler, in glibc this is part of libc_nonshared.a
already and libc_nonshared.a is linked always when linking
with -lc becuase libc.so in glibc is actually a linker script
GROUP ( /usr/lib/libc.so.6 /usr/lib/libc_nonshared.a AS_NEEDED ( /usr/lib/ld-linux-x86-64.so.2 ) )
which automatically links in the needed runtime bits, this however
is not the case for musl, where core SSP APIs are implemented in full
but compiler specific runtime isn't, for this we add a new package
called libssp_nonshared which generate the needed runtime stub
and gcc is already carrying patch to link to libssp_nonshared.a
on musl
This should fix a long standing problem where static PIE executable
were not buildable with OE since it was conflicting SSP implementation
one from C library and the other one from gcc and we end up with
duplicate symbol errors during linking.
Backport a patch from trunk which enhances enable|disable-libssp
to not only disable building libssp but also not emit the gcc
specs to use it for subsequent linking when stack-protector options
are used on compiler cmdline
Signed-off-by: Khem Raj <raj.khem@gmail.com>
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We allow to set LINKER_HASH_STYLE to be empty so this would fail
since --with-linker-hash-style needs an argument and cant be empty
Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
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Backport a patch to fix an ICE when compiling for MIPS64.
Signed-off-by: Mark Hatle <mark.hatle@windriver.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
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Due to patch fuzz, it was applied again, so the same code sequence was
repeated twice. Not sure if that caused any bugs, but certainly wasn't
the right thing to do.
Signed-off-by: Alexander Kanavin <alexander.kanavin@linux.intel.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
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Fix an internal compiler error on PPC from building a specific test:
$ $CC -S 7d-02.c
7d-02.c: In function รข:
7d-02.c:11:5: internal compiler error: in copy_to_mode_reg, at explow.c:612
vec_st(v, i*16,p);
^~~~~~
The failure appears to happen on all optimizations levels as well.
Signed-off-by: Mark Hatle <mark.hatle@windriver.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
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Whenever "-mno-sse" is used, "-mfpmath" should be set to 387.
The test case should be modified accordingly as below:
/* { dg-additional-options "-mno-sse -mfpmath=387 " { target { i?86-*-* x86_64-*-* } } } */
Original patch from: RAGHUNATH LOLUR <raghunath.lolur@kpit.com>
Signed-off-by: Mark Hatle <mark.hatle@windriver.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
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This patch is already in gcc-7-branch
https://github.com/gcc-mirror/gcc/commit/6e6c7fc1e15525a10f48d4f5ac2edd853e2f5cb7
Thanks nsz for noticing it
Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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The static PIE patch was updated by Juro Bystricky <juro.bystricky@intel.com>
to work with gcc 7.3.
This update from the stable gcc 7 branch includes the retpoline
functionality which is useful to assist with recent security issues.
Two backported patches were dropped as they're included in 7.3.
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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