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Sandra Loosemore 02ce382cd3 Use a non-empty test program to test ability to link. 
On bare-metal targets, I/O support is typically provided by a BSP and
requires a linker script and/or hosting library to be specified on the
linker command line.  Linking an empty program with the default linker
script may succeed, however, which confuses libstdc++ configuration
when programs that probe for the presence of various I/O features fail
with link errors.

2020-02-12  Sandra Loosemore  <sandra@codesourcery.com>

	PR libstdc++/79193
	PR libstdc++/88999

	config/
	* no-executables.m4: Use a non-empty program to test for linker
	support.

	libgcc/
	* configure: Regenerated.

	libgfortran/
	* configure: Regenerated.

	libiberty/
	* configure: Regenerated.

	libitm/
	* configure: Regenerated.

	libobjc/
	* configure: Regenerated.

	libquadmath/
	* configure: Regenerated.

	libssp/
	* configure: Regenerated.

	libstdc++v-3/
	* configure: Regenerated.
 		2020-02-12 13:22:07 -08:00
..
math Update libquadmath fmaq from glibc, fix nanq issues. 2018-11-07 13:49:03 +00:00
printf Update libquadmath fmaq from glibc, fix nanq issues. 2018-11-07 13:49:03 +00:00
strtod Update libquadmath fmaq from glibc, fix nanq issues. 2018-11-07 13:49:03 +00:00
COPYING.LIB
…
ChangeLog Use a non-empty test program to test ability to link. 2020-02-12 13:22:07 -08:00
Makefile.am
…
Makefile.in Add `--with-toolexeclibdir=' configuration option 2020-01-24 11:24:25 +00:00
acinclude.m4
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aclocal.m4 Add `--with-toolexeclibdir=' configuration option 2020-01-24 11:24:25 +00:00
config.h.in
…
configure Use a non-empty test program to test ability to link. 2020-02-12 13:22:07 -08:00
configure.ac Add `--with-toolexeclibdir=' configuration option 2020-01-24 11:24:25 +00:00
libquadmath.texi gcc.c (process_command): Update copyright notice dates. 2020-01-01 12:14:37 +01:00
libtool-version
…
quadmath-imp.h Update libquadmath fmaq from glibc, fix nanq issues. 2018-11-07 13:49:03 +00:00
quadmath-rounding-mode.h
…
quadmath.h quadmath.h (M_Eq, [...]): Use two more decimal places. 2019-08-02 09:59:19 +02:00
quadmath.map
…
quadmath_weak.h re PR c/88430 (-Wmissing-attributes warnings when including libquadmath headers) 2018-12-11 08:45:47 +01:00
update-quadmath.py Update libquadmath fmaq from glibc, fix nanq issues. 2018-11-07 13:49:03 +00:00