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Szabolcs Nagy 3d3a96a26e musl: Don't use gthr weak refs in libgcc PR91737
The gthr weak reference based single thread detection is unsafe with
static linking and in case of dynamic linking it's ineffective on musl
since pthread symbols are defined in libc.so.

(Ideally this should be fixed for all targets, since glibc plans to move
libpthread.so into libc.so too and users want to static link to pthread
without --whole-archive: PR87189.)

For now we have to explicitly opt out from the broken behaviour in the
config machinery of each target lib and libgcc was previously missed.

libgcc/ChangeLog:

2019-11-18  Szabolcs Nagy  <szabolcs.nagy@arm.com>

	* config.host: Add t-gthr-noweak on *-*-musl*.
	* config/t-gthr-noweak: New file.

From-SVN: r278399
2019-11-18 12:08:18 +00:00
config [ARM/FDPIC v6 02/24] [ARM] FDPIC: Handle arm*-*-uclinuxfdpiceabi in configure scripts 2019-09-10 09:37:00 +02:00
contrib download_prerequisites: Use http instead of ftp for downloading. 2019-11-13 19:48:52 +02:00
fixincludes [Darwin, fixincludes] Fix PR83531 2019-08-18 18:54:13 +00:00
gcc musl: use correct long double abi by default 2019-11-18 12:03:18 +00:00
gnattools PR81878: fix --disable-bootstrap --enable-languages=ada 2018-11-20 00:07:47 +00:00
gotools libgo: update to Go 1.13beta1 release 2019-09-06 18:12:46 +00:00
include [PATCH] Fix slowness in demangler 2019-11-16 10:14:14 -07:00
INSTALL
intl iconv.m4 (AM_ICONV_LINK): Don't overwrite CPPFLAGS. 2018-11-07 15:41:21 -07:00
libada libada: Respect `--enable-version-specific-runtime-libs' 2019-10-01 19:14:11 +00:00
libatomic Regenerate configure' scripts for uclinuxfdpiceabi' libtool.m4 update 2019-09-27 21:24:42 +00:00
libbacktrace Regenerate configure' scripts for uclinuxfdpiceabi' libtool.m4 update 2019-09-27 21:24:42 +00:00
libcc1 Regenerate configure' scripts for uclinuxfdpiceabi' libtool.m4 update 2019-09-27 21:24:42 +00:00
libcpp Support UTF-8 character constants for C2x. 2019-11-14 20:18:33 +00:00
libdecnumber Update copyright years. 2019-01-01 13:31:55 +01:00
libffi Regenerate configure' scripts for uclinuxfdpiceabi' libtool.m4 update 2019-09-27 21:24:42 +00:00
libgcc musl: Don't use gthr weak refs in libgcc PR91737 2019-11-18 12:08:18 +00:00
libgfortran libgfortran: Regenerate Makefile.in' for runstatedir' removal 2019-11-18 00:21:45 +00:00
libgo testmain.exp: link against GOLIBS 2019-11-15 21:14:29 +00:00
libgomp libgomp: Regenerate `testsuite/Makefile.in' for GCC_HEADER_STDINT removal 2019-11-18 00:33:37 +00:00
libhsail-rt Regenerate configure' scripts for uclinuxfdpiceabi' libtool.m4 update 2019-09-27 21:24:42 +00:00
libiberty [PATCH] Fix slowness in demangler 2019-11-16 10:14:14 -07:00
libitm Regenerate configure' scripts for uclinuxfdpiceabi' libtool.m4 update 2019-09-27 21:24:42 +00:00
libobjc Regenerate configure' scripts for uclinuxfdpiceabi' libtool.m4 update 2019-09-27 21:24:42 +00:00
liboffloadmic Regenerate `liboffloadmic/plugin/configure' for r275564 ("[ARM/FDPIC v6 02/24] [ARM] FDPIC... 2019-10-01 19:57:44 +00:00
libphobos Regenerate configure' scripts for uclinuxfdpiceabi' libtool.m4 update 2019-09-27 21:24:42 +00:00
libquadmath Regenerate configure' scripts for uclinuxfdpiceabi' libtool.m4 update 2019-09-27 21:24:42 +00:00
libsanitizer Enable libsanitizer build on riscv64 2019-11-13 09:45:15 +00:00
libssp Regenerate configure' scripts for uclinuxfdpiceabi' libtool.m4 update 2019-09-27 21:24:42 +00:00
libstdc++-v3 Repair the <tuple> part of C++20 p1032 Misc constexpr bits. 2019-11-17 03:31:15 +00:00
libvtv Regenerate configure' scripts for uclinuxfdpiceabi' libtool.m4 update 2019-09-27 21:24:42 +00:00
lto-plugin Regenerate configure' scripts for uclinuxfdpiceabi' libtool.m4 update 2019-09-27 21:24:42 +00:00
maintainer-scripts update_version_svn (IGNORE_BRANCHES): Add 7. 2019-11-14 07:41:56 +00:00
zlib Regenerate configure' scripts for uclinuxfdpiceabi' libtool.m4 update 2019-09-27 21:24:42 +00:00
.dir-locals.el
.gitattributes * .gitattributes: Also check ChangeLog whitespace. 2019-10-21 23:12:04 -04:00
.gitignore Add .clangd and compile_commands.json to .gitignore. 2019-08-28 19:33:28 +00:00
ABOUT-NLS
ar-lib Update GCC to autoconf 2.69, automake 1.15.1 (PR bootstrap/82856). 2018-10-31 17:03:16 +00:00
ChangeLog MAINTAINERS: Change my email address as maintainer. 2019-11-15 17:52:25 +00:00
ChangeLog.jit
ChangeLog.tree-ssa
compile
config-ml.in
config.guess Update config.sub and config.guess. 2019-09-09 11:14:32 +02:00
config.rpath
config.sub Update config.sub and config.guess. 2019-09-09 11:14:32 +02:00
configure Bump minimum MPFR version to 3.1.0 2019-11-11 17:59:48 +02:00
configure.ac Bump minimum MPFR version to 3.1.0 2019-11-11 17:59:48 +02:00
COPYING
COPYING3
COPYING3.LIB
COPYING.LIB
COPYING.RUNTIME
depcomp
install-sh
libtool-ldflags
libtool.m4 [ARM/FDPIC v6 02/24] [ARM] FDPIC: Handle arm*-*-uclinuxfdpiceabi in configure scripts 2019-09-10 09:37:00 +02:00
lt~obsolete.m4
ltgcc.m4
ltmain.sh
ltoptions.m4
ltsugar.m4
ltversion.m4
MAINTAINERS MAINTAINERS: Change my email address as maintainer. 2019-11-15 17:52:25 +00:00
Makefile.def Sync top-level change from gdb 2019-06-15 21:32:03 +00:00
Makefile.in Makefile.tpl (HOST_EXPORTS): Add CXX_FOR_BUILD. 2019-08-23 15:37:22 -06:00
Makefile.tpl Makefile.tpl (HOST_EXPORTS): Add CXX_FOR_BUILD. 2019-08-23 15:37:22 -06:00
missing
mkdep
mkinstalldirs
move-if-change
multilib.am Update GCC to autoconf 2.69, automake 1.15.1 (PR bootstrap/82856). 2018-10-31 17:03:16 +00:00
README
symlink-tree
test-driver Update GCC to autoconf 2.69, automake 1.15.1 (PR bootstrap/82856). 2018-10-31 17:03:16 +00:00
ylwrap

This directory contains the GNU Compiler Collection (GCC).

The GNU Compiler Collection is free software.  See the files whose
names start with COPYING for copying permission.  The manuals, and
some of the runtime libraries, are under different terms; see the
individual source files for details.

The directory INSTALL contains copies of the installation information
as HTML and plain text.  The source of this information is
gcc/doc/install.texi.  The installation information includes details
of what is included in the GCC sources and what files GCC installs.

See the file gcc/doc/gcc.texi (together with other files that it
includes) for usage and porting information.  An online readable
version of the manual is in the files gcc/doc/gcc.info*.

See http://gcc.gnu.org/bugs/ for how to report bugs usefully.

Copyright years on GCC source files may be listed using range
notation, e.g., 1987-2012, indicating that every year in the range,
inclusive, is a copyrightable year that could otherwise be listed
individually.