[FFmpeg-devel] [PATCH] Speedup make removing implicit rules for makefiles and dependencies (cure for slow "make" in MSYS+MinGW)

Ramiro Polla ramiro.polla
Wed Oct 28 01:59:27 CET 2009

On Tue, Oct 27, 2009 at 10:57 PM, Ramiro Polla <ramiro.polla at gmail.com> wrote:
> On Tue, Oct 27, 2009 at 8:28 PM, Adam Strzelecki <ono at java.pl> wrote:
>> Lately I was obliged to make sure one of my multiplatform projects using
>> FFmpeg compiles well on MinGW. Then I found out the "make" takes AGES in
>> MSYS+MinGW. All because "include *.dep" causes implicit rules on .d files
>> (checkout "make -d"), while file testing on UNIX is pretty cheap, it's not
>> in Windoze.
> Adam, what speedup did you measure and how?

Oh, by the way, Adam, can't you cross-compile to mingw32? It's faster
to run a cross compiler in a VirtualBox with Ubuntu than it is to
build with msys under Windows.

Ramiro Polla

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