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Re: [DSO missing from command line] gcc-c++ error
- From: Vassilena Treneva <treneva at gmail dot com>
- To: Segher Boessenkool <segher at kernel dot crashing dot org>
- Cc: gcc-help at gcc dot gnu dot org
- Date: Fri, 20 Sep 2019 18:16:45 +0300
- Subject: Re: [DSO missing from command line] gcc-c++ error
- References: <CAG6hjyVDdc7DO0tye=LNLM4e9yZMEAjFEdmmqwy4kWfCcTXwFQ@mail.gmail.com> <20190920105756.GP9749@gate.crashing.org>
Yes, I think I have the proper flag added.
CMAKE file looks like this:
SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Werror=maybe-uninitialized
-std=gnu++0x --coverage -fprofile-arcs -ftest-coverage -lpthread")
On Fri, Sep 20, 2019 at 1:58 PM Segher Boessenkool <
segher@kernel.crashing.org> wrote:
> On Fri, Sep 20, 2019 at 01:42:21PM +0300, Vassilena Treneva wrote:
> > I am using the same versions of gcc-c++ and glibc (gcc-c++ 4.8.5 & glibc
> > 2.17) on RHEL7 and CENTOS7, but I get a compile time error ONLY on
> CENTOS7:
> >
> > /usr/bin/ld: CMakeFiles/GTest.Test.dir/gtest/gtest-all.cc.o: *undefined
> > reference to symbol 'pthread_key_delete@@GLIBC_2.2.5'*
> > //usr/lib64/libpthread.so.0:
> > *error adding symbols: DSO missing from command line*
>
> It says you should have -lpthread on your link command line. Do you?
>
> (Often this library is automatically linked to, but not always).
>
>
> Segher
>