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From: "nathan at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug libstdc++/97549] New: include/pstl rebase breaking <execution>
Date: Fri, 23 Oct 2020 15:16:05 +0000 [thread overview]
Message-ID: <bug-97549-4@http.gcc.gnu.org/bugzilla/> (raw)
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97549
Bug ID: 97549
Summary: include/pstl rebase breaking <execution>
Product: gcc
Version: 10.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: libstdc++
Assignee: unassigned at gcc dot gnu.org
Reporter: nathan at gcc dot gnu.org
Target Milestone: ---
I'm seeing compilation errors of a file that just contains:
#include <execution>
following
* e957b86ca26 2020-10-21 | libstdc++: Rebase include/pstl to current upstream
[Thomas Rodgers]
/data/users/nathans/me/r-e957b86ca26/obj/x86_64/gcc/testsuite/g++/../../xg++
-B/data/users/nathans/me/r-e957b86ca26/obj/x86_64/gcc/testsuite/g++/../../
-g
-I/data/users/nathans/me/r-e957b86ca26/src/gcc/testsuite/../../libsanitizer/include
-fdiagnostics-plain-output -nostdinc++
-I/data/users/nathans/me/r-e957b86ca26/obj/x86_64/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu
-I/data/users/nathans/me/r-e957b86ca26/obj/x86_64/x86_64-pc-linux-gnu/libstdc++-v3/include
-I/data/users/nathans/me/r-e957b86ca26/src/libstdc++-v3/libsupc++
-I/data/users/nathans/me/r-e957b86ca26/src/libstdc++-v3/include/backward
-I/data/users/nathans/me/r-e957b86ca26/src/libstdc++-v3/testsuite/util
-fmessage-length=0 -O2
-L/data/users/nathans/me/r-e957b86ca26/obj/x86_64/x86_64-pc-linux-gnu/./libstdc++-v3/src/.libs
-B/data/users/nathans/me/r-e957b86ca26/obj/x86_64/x86_64-pc-linux-gnu/./libstdc++-v3/src/.libs
-L/data/users/nathans/me/r-e957b86ca26/obj/x86_64/x86_64-pc-linux-gnu/./libstdc++-v3/src/.libs
-B/data/users/nathans/me/r-e957b86ca26/obj/x86_64/x86_64-pc-linux-gnu/./libitm/
-L/data/users/nathans/me/r-e957b86ca26/obj/x86_64/x86_64-pc-linux-gnu/./libitm/.libs
-lm -c xtreme-header-2_a.C
In file included from
/data/users/nathans/me/r-e957b86ca26/src/libstdc++-v3/include/pstl/parallel_backend.h:14,
from
/data/users/nathans/me/r-e957b86ca26/src/libstdc++-v3/include/pstl/algorithm_impl.h:22,
from
/data/users/nathans/me/r-e957b86ca26/obj/x86_64/x86_64-pc-linux-gnu/libstdc++-v3/include/pstl/glue_execution_defs.h:50,
from
/data/users/nathans/me/r-e957b86ca26/obj/x86_64/x86_64-pc-linux-gnu/libstdc++-v3/include/execution:32,
from xtreme-header-2_a.C:5:
/data/users/nathans/me/r-e957b86ca26/src/libstdc++-v3/include/pstl/parallel_backend_serial.h:134:25:
error: '__serial' is not a namespace-name; did you mean '__internal'?
In file included from
/data/users/nathans/me/r-e957b86ca26/src/libstdc++-v3/include/pstl/algorithm_impl.h:22,
from
/data/users/nathans/me/r-e957b86ca26/obj/x86_64/x86_64-pc-linux-gnu/libstdc++-v3/include/pstl/glue_execution_defs.h:50,
from
/data/users/nathans/me/r-e957b86ca26/obj/x86_64/x86_64-pc-linux-gnu/libstdc++-v3/include/execution:32,
from xtreme-header-2_a.C:5:
/data/users/nathans/me/r-e957b86ca26/src/libstdc++-v3/include/pstl/parallel_backend.h:17:43:
error: 'namespace __pstl::__par_backend = __pstl::__pstl::__serial_backend;'
conflicts with a previous declaration
In file included from
/data/users/nathans/me/r-e957b86ca26/src/libstdc++-v3/include/pstl/parallel_backend.h:14,
from
/data/users/nathans/me/r-e957b86ca26/src/libstdc++-v3/include/pstl/algorithm_impl.h:22,
from
/data/users/nathans/me/r-e957b86ca26/obj/x86_64/x86_64-pc-linux-gnu/libstdc++-v3/include/pstl/glue_execution_defs.h:50,
from
/data/users/nathans/me/r-e957b86ca26/obj/x86_64/x86_64-pc-linux-gnu/libstdc++-v3/include/execution:32,
from xtreme-header-2_a.C:5:
/data/users/nathans/me/r-e957b86ca26/src/libstdc++-v3/include/pstl/parallel_backend_serial.h:132:11:
note: previous declaration 'namespace __pstl::__par_backend { }'
... more errors follow,
it seems parallel_backend.h is being #included twice, with inconsistent
settings of _PSTL_PAR_BACKEND_SERIAL and _PSTL_PAR_BACKEND_TBB
am I missing something?
next reply other threads:[~2020-10-23 15:16 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-23 15:16 nathan at gcc dot gnu.org [this message]
2020-11-04 13:52 ` [Bug libstdc++/97549] [11 Regression] " redi at gcc dot gnu.org
2020-12-15 12:32 ` redi at gcc dot gnu.org
2020-12-15 12:37 ` redi at gcc dot gnu.org
2021-01-14 9:30 ` rguenth at gcc dot gnu.org
2021-02-19 11:08 ` jakub at gcc dot gnu.org
2021-02-23 8:28 ` cvs-commit at gcc dot gnu.org
2021-02-23 9:10 ` jakub at gcc dot gnu.org
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