On Fedraa 25, this works fine:
gcc (pkg-config --cflags gtk+-3.0 | string split ' ') (pkg-config --libs
gtk+-3.0 | string split ' ') <file-name.c>
On RHEL 6.7 this was required:
gcc (*pkg-config --cflags gtk+-2.0 |* string trim | string split ' ')
(pkg-config --libs gtk+-2.0 | string trim | string split ' ') <file-name.c>
---for whatever reason "pkg-config --cflags gtk+-2.0" adds space at the end?
On Mon, Dec 12, 2016 at 5:38 PM, Kurtis Rader <kra...@skepticism.us> wrote:
> On Mon, Dec 12, 2016 at 2:31 PM, John Chludzinski <
> john.chludzin...@gmail.com> wrote:
>
>> On the Bourne shell I can use:
>>
>> sh-4.1$ gcc `pkg-config gtk+-2.0 --cflags` `pkg-config gtk+-2.0 --libs`
>> dbuscomm.c
>>
>>
>> When I try (in Fish):
>>
>> > gcc (pkg-config gtk+-2.0 --cflags) (pkg-config gtk+-2.0 --libs)
>> dbuscomm.c
>>
>> I get a whole bunch of bogus compile errors.
>>
>> Why?
>>
>
> It's because POSIX shells like bash split the subcommand output on
> whitespace while fish only splits on newlines. Since `pkg-config gtk+-2.0
> --cflags` produces a single line of output fish passes that as a single
> argument (i.e., a single string) to gcc which is understandably confused.
> See https://github.com/fish-shell/fish-shell/issues/1947 and
> https://github.com/fish-shell/fish-shell/issues/2568 and
>
> http://stackoverflow.com/questions/28128669/fish-
> command-substitution-doesnt-work-like-in-bash-or-zsh/28129450#28129450
>
> However, rather than using `tr` as suggested in that SO thread I would
> recommend using the `string split` builtin.
>
> --
> Kurtis Rader
> Caretaker of the exceptional canines Junior and Hank
>
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