[Issue 4686] rdmd could use an incremental compilation option

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=4686


Vladimir Panteleev <thecybershadow at gmail.com> changed:

           What    |Removed                     |Added
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                 CC|                            |thecybershadow at gmail.com


--- Comment #2 from Vladimir Panteleev <thecybershadow at gmail.com> 2013-02-26 19:14:10 EET ---
No. rdmd simply does not recompile if no source files changed, but if at least
one changes, it rebuilds the whole program.

rdmd compiles all modules at once. There are known bugs in DMD that prevent
incremental compilation while passing multiple files to DMD, so in order to
support incremental compilation, rdmd would need to invoke the compiler once
for every module. This would slow it down considerably in the general case.

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