Hello,

Maxim Cournoyer <maxim.cournoyer@gmail.com> writes:

> "Branson, Joshua A" <jbranso@purdue.edu> writes:
>
>> I can confirm that this bug still exists.  The man page is broken as described, but info gcc works just fine.
>>
>> Thanks,
>>
>> Joshua
>
> The problem is likely caused by lack of the lack of perl as well as pod2man, as
> suggested by gcc's build log:
>
> echo timestamp > gcc.pod
> perl ../../gcc-7.2.0/gcc/../contrib/texi2pod.pl ../../gcc-7.2.0/gcc/doc/invoke.texi > gcc.pod
> /gnu/store/kpxi8h3669afr9r1bgvaf9ij3y4wdyyn-bash-minimal-4.4.12/bin/bash: perl: command not found
> make[2]: [Makefile:3257: gcc.pod] Error 127 (ignored)
> echo timestamp > doc/gcc.1
> (pod2man --center="GNU" --release="gcc-7.2.0" --date=2017-08-14 --section=1 gcc.pod > doc/gcc.1.T$$ && \
> 	mv -f doc/gcc.1.T$$ doc/gcc.1) || \
> 	(rm -f doc/gcc.1.T$$ && exit 1)
> /gnu/store/kpxi8h3669afr9r1bgvaf9ij3y4wdyyn-bash-minimal-4.4.12/bin/bash: pod2man: command not found
> make[2]: [Makefile:3235: doc/gcc.1] Error 1 (ignored)
>
> I'm currently rebuilding with those two inputs added, will send a patch
> if it fixes the problem.

I believe the attached patch *should* fix it (simply adds perl as a native
input; pod2man apparently comes with perl itself):