This is the mail archive of the
gcc@gcc.gnu.org
mailing list for the GCC project.
Re: libstdc++ gets configure error in cross builds
Paul Koning <paul_koning@Dell.com> writes:
> On Dec 2, 2010, at 2:55 PM, Ian Lance Taylor wrote:
>
>> Paul Koning <paul_koning@dell.com> writes:
>>
>>> I'm trying to do a cross-build of gcc 4.5.1. It works fine until I
>>> get to libstdc++v3, where configure blows up with a message saying
>>> "Link tests are not allowed after GCC_NO_EXECUTABLES". This happens
>>> on the "checking for shl_load" step (line 11221 in configure).
>>>
>>> I looked at configure.ac to see if there were any clues. I can't tell
>>> which line in configure.ac produces the offending line in configure
>>> (not enough autoconf skills). In an earlier gcc (3.3.3) there was a
>>> similar issue, and in that case I worked around it by removing
>>> "GLIBCPP_CHECK_COMPILER_VERSION" from the configure.in file. But that
>>> line doesn't exist in configure.ac and attempts to find something
>>> analogous didn't get me anywhere.
>>
>> GCC_NO_EXECUTABLES, in config/no-executables.m4, redefines
>> AC_LINK_IFELSE to produce that error message.
>
> Thanks. But why does the released configure fail like this? Any idea how to fix this bug?
You need to tell us precisely what you tried to do and precisely what
happened.
The TARGET/libstdc++-v3/config.log file may contain a clue.
Ian