2011/9/12 Mathias Fröhlich
> I just set CC, CXX, CFLAGS, CXXFLAGS and export them.
> Then cmake just takes them. This works just the same than with automake
> too.
> At least current cmake versions behave that way. Older ones were way harder
> to
> convince that I know my cflags :)
>
> Alternatively ccmake in the build directory or on win32 cmake-gui gives you
> interactive access over all the build flags if you need.
> As far as I know, You can also prepare a partly populated CMAkeCache.txt
> into
> the build directory. I think that the already provided values are taken
> mostly
> as is.
>
> Also I have checked in a default build type of release, which should
> accelerate the default build.
>
> Part of my script to set up all flightgear related projects is about:
>
> export CFLAGS= ...
> export CXXFLAGS= ...
>
> cmake \
> -D CMAKE_BUILD_TYPE="RELWITHDEBINFO" \
> -D CMAKE_DEBUG_POSTFIX="" \
> -D CMAKE_MINSIZEREL_POSTFIX="" \
> -D CMAKE_RELEASE_POSTFIX="" \
> -D CMAKE_RELWITHDEBINFO_POSTFIX="" \
> -D CMAKE_VERBOSE_MAKEFILE=TRUE \
> -D CMAKE_INSTALL_PREFIX=$prefix \
> -D ENABLE_RTI="ON" \
> $srcdir
>
> Which should cover most of the interresting everyday cmake options.
>
Hi Mathias,
Indeed, telling cmake you would like a release build seems to improve the
performance of the executable dramatically. I suppose it is good to ask
dumb questions once in a while so this basic information can get in the
archives and become google-able.
Curt.
--
Curtis Olson:
http://www.atiak.com - http://aem.umn.edu/~uav/
http://www.flightgear.org - http://gallinazo.flightgear.org
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