Hi,
2011/8/18 Otavio Salvador <ota...@ossystems.com.br>:
> Take a loook at
> /usr/share/cmake-2.8/Modules/CMakeDependentOption.cmake
Thanks Otavio I'll have a look at it. I also found something like
OPTION(FORCE_DEPENDENCIES "Enforce optional dependencies" OFF)
macro(find_optional_package _package _with_package)
if(${_with_package})
if(FORCE_DEPENDENCIES)
find_package(${_package} REQUIRED)
else(FORCE_DEPENDENCIES)
find_package(${_package})
endif(FORCE_DEPENDENCIES)
endif(${_with_package})
endmacro(find_optional_package)
We'd use this like
OPTION(WITH_ALSA "Enable audio using alsa (optional)" ON)
OPTION(WITH_WITH_PULSEAUDIO "Enable audio using pulseAudio (optional)" ON)
OPTION(WITH_CUPS "Enable printing using cups (optional)" ON)
find_optional_package(ALSA WITH_ALSA)
find_optional_package(PulseAudio WITH_PULSEAUDIO)
find_optional_package(Cups WITH_CUPS)
With this defaults doing nothing will result in the old behaviour, and
I can do "-DFORCE_DEPENDENCIES=ON -DWITH_CUPS=ON...."
I like that and it looks good. What do you think?
Nils
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