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From: "k2k at narod dot ru" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug libgcc/56482] New: missing -lpthread in configure when checking for pthreads_num_processors_np
Date: Thu, 28 Feb 2013 12:02:00 -0000 [thread overview]
Message-ID: <bug-56482-4@http.gcc.gnu.org/bugzilla/> (raw)
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56482
Bug #: 56482
Summary: missing -lpthread in configure when checking for
pthreads_num_processors_np
Classification: Unclassified
Product: gcc
Version: 4.7.2
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: libgcc
AssignedTo: unassigned@gcc.gnu.org
ReportedBy: k2k@narod.ru
Host: mingw32
Target: mingw32, mingw32-w64
>From configure.log:
configure:20205: checking for pthreads_num_processors_np
configure:20244: /dvlp/packages/gcc/build/4.7.2-i686-w64-mingw32/./gcc/xgcc
-shared-libgcc -B/dvlp/packages/gcc/build/4.7.2-i686-w64-mingw32/./gcc
-nostdinc++
-L/dvlp/packages/gcc/build/4.7.2-i686-w64-mingw32/i686-w64-mingw32/libstdc++-v3/src
-L/dvlp/packages/gcc/build/4.7.2-i686-w64-mingw32/i686-w64-mingw32/libstdc++-v3/src/.libs
-L/dvlp/mingw-w64-i686/i686-w64-mingw32/lib -L/dvlp/mingw-w64-i686/mingw/lib
-isystem /dvlp/mingw-w64-i686/i686-w64-mingw32/include -isystem
/dvlp/mingw-w64-i686/mingw/include -B/dvlp/mingw-w64-i686/i686-w64-mingw32/bin/
-B/dvlp/mingw-w64-i686/i686-w64-mingw32/lib/ -isystem
/dvlp/mingw-w64-i686/i686-w64-mingw32/include -isystem
/dvlp/mingw-w64-i686/i686-w64-mingw32/sys-include
-L/dvlp/packages/gcc/build/4.7.2-i686-w64-mingw32/./ld -o conftest.exe -g
-O2 -fno-exceptions conftest.cpp >&5
C:\Users\Karlson\AppData\Local\Temp\ccd7ltCc.o: In function `main':
T:\dvlp\packages\gcc\build\4.7.2-i686-w64-mingw32\i686-w64-mingw32\libstdc++-v3/conftest.cpp:76:
undefined reference to `_imp__pthread_num_processors_np'
collect2.exe: error: ld returned 1 exit status
configure:20244: $? = 1
configure: failed program was:
....
Configure didn't try with '-lpthread' flag, so result can't be linked with
libpthread.
next reply other threads:[~2013-02-28 12:02 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-28 12:02 k2k at narod dot ru [this message]
2013-02-28 12:27 ` [Bug libstdc++/56482] " redi at gcc dot gnu.org
2013-02-28 14:08 ` k2k at narod dot ru
2013-02-28 14:28 ` redi at gcc dot gnu.org
2013-02-28 14:29 ` redi at gcc dot gnu.org
2014-06-23 22:22 ` redi at gcc dot gnu.org
2022-02-24 18:31 ` egallager at gcc dot gnu.org
2023-08-09 13:37 ` k2k at narod dot ru
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