GDC options

Sebastien Alaiwan via Digitalmars-d-learn digitalmars-d-learn at puremagic.com
Tue Mar 21 22:47:59 PDT 2017


On Monday, 13 March 2017 at 11:06:53 UTC, Russel Winder wrote:
> It is a shame that dmd and ldc do not just use the standard GCC 
> option set.
Totally agreed.

Moreover, funny stuff like "dmd -of<Target>" (instead of standard 
"-o <target>") breaks automatic Msys path conversion hack (the 
code translates Unix paths from the command line to Windows paths 
before the invocation of a non-msys program), which makes it 
impossible to use dmd under Msys without wrapping it first.

pkg-config also is a real pain to use with dmd (the pkg-config's 
output needs to be post-processed so it has the form "-L-lstuff" 
instead of "-lstuff").

This is an issue, because it makes it very hard to use write 
portable makefiles for programs containing D code. Too bad, 
because the D code is actually platform-independent, and there's 
been a lot of work in Phobos to make it easy to write such code.

D was designed to be binary compatible with the C ABI ; however, 
having a compiler whose command-line behaves so different from 
gcc makes it harder to actually work with existing C libs.

This is actually the main reason why I almost exclusively use 
gdc: to have one Makefile, for all platforms, allowing native and 
cross-compilation with no platform-specific special cases.



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