How to use dub with a manual ldc installation?

[Johannes Pfau via Digitalmars-d]

Am Fri, 4 Nov 2016 13:12:42 -0400
schrieb Andrei Alexandrescu <SeeWebsiteForEmail at erdani.org>:

> So I'm working on the checkedint pull request (really need to get
> that in...) and was trying to get some benchmarks going with ldc. The
> stock ldc on mint is outdated and it can't compile the code, so I
> needed to do a self-installation. I've put it in
> ~/bin/ldc2-1.1.0-beta3-linux-x86. Then:
> 
> $ PATH=~/bin/ldc2-1.1.0-beta3-linux-x86/bin:$PATH
> $ dub test --compiler=ldc2
> 
> I get:
> 
> Performing "unittest" build using ldc2 for x86.
> checkedint_andralex 0.0.8: building configuration
> "__test__library__"... /usr/bin/ld: cannot find crt1.o: No such file
> or directory /usr/bin/ld: cannot find crti.o: No such file or
> directory /usr/bin/ld: cannot find -lrt
> /usr/bin/ld: cannot find -ldl
> /usr/bin/ld: cannot find -lpthread
> /usr/bin/ld: cannot find -lm
> /usr/bin/ld: skipping incompatible 
> /usr/lib/gcc/x86_64-linux-gnu/5/libgcc.a when searching for -lgcc
> /usr/bin/ld: cannot find -lgcc
> /usr/bin/ld: skipping incompatible 
> /usr/lib/gcc/x86_64-linux-gnu/5/libgcc_s.so when searching for -lgcc_s
> /usr/bin/ld: cannot find -lgcc_s
> /usr/bin/ld: cannot find -lc
> /usr/bin/ld: skipping incompatible 
> /usr/lib/gcc/x86_64-linux-gnu/5/libgcc.a when searching for -lgcc
> /usr/bin/ld: cannot find -lgcc
> /usr/bin/ld: skipping incompatible 
> /usr/lib/gcc/x86_64-linux-gnu/5/libgcc_s.so when searching for -lgcc_s
> /usr/bin/ld: cannot find -lgcc_s
> /usr/bin/ld: cannot find crtn.o: No such file or directory
> collect2: error: ld returned 1 exit status
> Error: /usr/bin/gcc failed with status: 1
> ldc2 failed with exit code 1.
> 
> What happens here? I've added "-L-L/lib" and "-L-L/usr/lib" to ldc's 
> configuration file, no avail.
> 
> 
> Thanks,
> 
> Andrei

Looks like you are on a 64 bit system (x86_64) and using a 32 bit ldc.
If this is intended it will probably work fine but you'll have to
install the 32bit libc and gcc libraries.