r272298 - in /branches/gcc-9-branch/libstdc++-v...

[redi@gcc.gnu.org]

Author: redi
Date: Fri Jun 14 18:10:52 2019
New Revision: 272298

URL: https://gcc.gnu.org/viewcvs?rev=272298&root=gcc&view=rev
Log:
PR libstdc++/90252 Check TBB version and ability to link with -ltbb

Backport from mainline
2019-05-21  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/90252
	* testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
	Use "additional_flags" to pass -ltbb to v3_target_compile command.
	Use check_v3_target_prop_cached to cache the result of the test.

Backport from mainline
2019-05-20  Thomas Rodgers  <trodgers@redhat.com>

	PR libstdc++/90252
	* testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
	Changed v3_target_compile check from preprocess to executable.
	Added "-ltbb" to v3_target_compile flags.

Backport from mainline
2019-05-20  Thomas Rodgers  <trodgers@redhat.com>

	* testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
	Add check for Thread Building Blocks 2018 or later.

Modified:
    branches/gcc-9-branch/libstdc++-v3/ChangeLog
    branches/gcc-9-branch/libstdc++-v3/testsuite/lib/libstdc++.exp