Bug 1288703 - binutils with mpx required, gcov-tool not renamed to gcov-tool5 when building without SCL
binutils with mpx required, gcov-tool not renamed to gcov-tool5 when building...
Product: Red Hat Developer Toolset
Classification: Red Hat
Component: gcc (Show other bugs)
DTS 4.0 RHEL 6
x86_64 Linux
unspecified Severity unspecified
: alpha
: 4.1
Assigned To: Jakub Jelinek
Martin Cermak
Depends On:
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Reported: 2015-12-05 05:19 EST by Xiangyang Chen
Modified: 2015-12-08 06:05 EST (History)
5 users (show)

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Doc Type: Bug Fix
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Last Closed: 2015-12-08 06:05:51 EST
Type: Bug
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Description Xiangyang Chen 2015-12-05 05:19:15 EST
Description of problem:

I try to compile devtoolset-4-gcc without scl on a fresh installed CentOS 6.7 x86_64, with `Name:' switched to `Name: %{?scl_prefix}gcc%{!?scl:5}', but encounter 2 problems:

1. libmpxwrapper is not compiled.
2. /usr/bin/gcov-tool is not renamed to /usr/bin/gconv-tool5

The first problem is due to lack of support of MPX in binutils.  After I upgrade binutils to 2.25.1, libmpxwrapper gets compiled.

The second problem is due to the line in gcc.spec doesn't include the new added `gcov-tool':

%if 0%{!?scl:1}
for i in %{buildroot}%{_prefix}/bin/{*gcc,*++,gcov,gfortran,gcc-ar,gcc-nm,gcc-ranlib}; do
  mv -f $i ${i}5

Version-Release number of selected component (if applicable):

How reproducible:

Steps to Reproduce:
1. Edit gcc.spec, switch `Name:' to `Name: %{?scl_prefix}gcc%{!?scl:5}'
2. rpmbuild -ba gcc.spec
3. Upgrade binutils to or up and rpmbuild -ba gcc.spec again

Actual results:
The following line gives `file not found' error:
mv -f %{buildroot}%{_prefix}/%{_lib}/libmpxwrappers.*a $FULLLPATH/

File not found: /root/rpmbuild/BUILDROOT/gcc5-5.2.1-2.2.el6.x86_64/usr/bin/gcov-tool5

Expected results:
Compiled without problem.

Additional info:
Modification of gcc.spec would fix these problems:

1. Rename gcov-tool:
for i in %{buildroot}%{_prefix}/bin/{*gcc,*++,gcov*,gfortran,gcc-ar,gcc-nm,gcc-ranlib}; do
  mv -f $i ${i}5

2. BuildRequires: binutils >=
Comment 1 Xiangyang Chen 2015-12-06 01:10:16 EST
Updated: binutils >=
Comment 4 Jakub Jelinek 2015-12-08 06:05:51 EST
Only scl builds of DTS packages are supported, the fact that the spec file has some conditional does not mean that non-scl builds are going to work.
You really can't rely on features of newer binutils in non-scl packages, so if anything, the solution for that would be to disable building of mpx stuff.

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