bug#29644: gcc-objc is unusable without its 'gcc' executable

[Ricardo Wurmus]

宋文武 <address@hidden> writes:

> Hello, unlike fortran program files which can be compiled using the
> command 'gfortran' (in addition to 'gcc'), there is no other command for
> Objective-C program files, and run 'gcc -c x.m' using the 'gcc' package
> will just complain "Objective-C compiler not installed on this system"
> due to it lacking objc support.
>
> I have to revert commit 82f145ef7a to get a objc enabled 'gcc' in the
> 'gcc-objc' package.

In May 2016 I first noticed this problem with GCC and investigated
solutions.

The fix here is to patch “lang-spec.h”, so that it does not limit the
gcc executable to the configured set of languages.  This way we will be
able to use the same gcc executable with different languages.

--
Ricardo

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