2011/3/17 Dixon, Shane <[email protected]>:
> I want to add some messages at the end of cmake that display all the
> DEB-related variables and what they’re set to. I’d prefer to now shows
> these when building on windows where DEB isn’t available. Is there
> something like
>
>
>
> If(DEBIAN_FOUND)
This is not currently possible because
[un]fortunately CMake is not aware of CPack generator existence :-]
> that I can use to determine if the deb package builder will be used? Should
> I scan CPACK_GENERATORS for ‘DEB”?
You cannot scan that either, because this var is set to a default value by CMake
and it may be overwritten by the user.
> What’s the best way to do this?
You can try the attached cmake script which launch "cpack --help" and collect
available generators from CPack itself, if it is found then
CPACK_<GEN>_FOUND is set to true.
try
include(AvailableCPackGenerators.cmake)
then
if (CPACK_DEB_FOUND)
or
if (CPACK_TGZ_FOUND)
etc...
should.
If you find the feature is worth to be included in CMake mainstream
file a feature request and attach the file (or a modified version if
you can do it in a better way).
--
Erk
Membre de l'April - « promouvoir et défendre le logiciel libre » -
http://www.april.org
find_program(CPACK_PROGRAM NAMES cpack)
if (CPACK_PROGRAM)
# Analyze 'cpack --help' output for list of available generators:
#
execute_process(COMMAND ${CPACK_PROGRAM} --help
RESULT_VARIABLE result
OUTPUT_VARIABLE stdout
ERROR_VARIABLE stderr)
string(REPLACE ";" "\\;" stdout "${stdout}")
string(REPLACE "\n" "E;" stdout "${stdout}")
set(collecting 0)
set(generators)
foreach(eline ${stdout})
string(REGEX REPLACE "^(.*)E$" "\\1" line "${eline}")
if(collecting AND NOT line STREQUAL "")
string(REGEX REPLACE "^ ([^ ]+) += (.*)$" "\\1" gen "${line}")
string(REGEX REPLACE "^ ([^ ]+) += (.*)$" "\\2" doc "${line}")
list(APPEND generators ${gen})
endif()
if(line STREQUAL "Generators")
set(collecting 1)
endif()
endforeach()
set(possiblegen "DEB;NSIS;RPM;STGZ;TBZ2;TGZ;TZ;ZIP;DMG;CygwinBinary;CygwinSource;DragNDrop;Bundle;PackageMaker;OSXX11")
foreach(gen ${possiblegen})
list(FIND generators "${gen}" IDX)
if(IDX EQUAL "-1")
set(CPACK_${gen}_FOUND FALSE)
else()
set(CPACK_${gen}_FOUND TRUE)
endif()
endforeach()
endif(CPACK_PROGRAM)_______________________________________________
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