Re: Failure building with libgccjit under MacOS Monterey

["Perry E. Metzger" <perry@piermont.com>]

On 11/13/21 02:21, Eli Zaretskii wrote:
>> Date: Fri, 12 Nov 2021 21:23:58 +0000
>> From: Alan Third <alan@idiocy.org>
>> Cc: emacs-devel <emacs-devel@gnu.org>
>>
>> Hmm, I don't see anything wrong with the command lines. It looks like
>> the error is actually being caused by the attempt to set up or use
>> libgccjit within the smoketest.
>>
>> I don't know anything about how that works. The full error text for
>> anyone interested is below.
>>
>> configure:17126: /usr/bin/cc -o conftest -g3 -O2 -I/opt/local/include/librsvg-2.0 -I/opt/local/include/gdk-pixbuf-2.0 -I/opt/local/include -I/opt/local/include/cairo -I/opt/local/include -I/opt/local/include/glib-2.0 -I/opt/local/lib/glib-2.0/include -I/opt/local/include -I/opt/local/include/pixman-1 -I/opt/local/include -I/opt/local/include/ossp -I/opt/local/include/freetype2 -I/opt/local/include -I/opt/local/include/libpng16 -I/opt/local/include -I/opt/local/include/gcc11   -I/opt/local/include -I/opt/local/include/gcc11 -L/opt/local/lib -L/opt/local/lib/gcc11 conftest.c -lgccjit   -L/opt/local/lib/gcc11 >&5
>> configure:17126: $? = 0
>> configure:17126: ./conftest
>> ld: library not found for -lSystem  <<<<<<<<<<<<<<<<<<<<<<<
>> collect2: error: ld returned 1 exit status
>> libgccjit.so: error: error invoking gcc driver
>> configure:17126: $? = 1
>> configure: program exited with status 1
> The line I highlighted seems to say that some dependency library is
> missing, and the linker therefore fails to link the text program.

What's weird here is that more or less nothing happened; it simply broke 
in the last few weeks. I'm guessing, though, that I'm the only person in 
a position to figure this out so I'll start digging. (I was kind of 
hoping it was a known issue and someone else had seen it previously.)

Perry