It is presently not possible to iterate over all the targets in
CMakeLists.txt unless you maintain your own list of targets. It would be a
good feature request to provide the full list of CMake targets using:
get_cmake_property(var TARGETS) # for all
targets from top level all the way down
or
get_property(var GLOBAL CMAKE_TARGETS ... # for all targets from
top level all the way down
or
get_property(var DIRECTORY CMAKE_TARGETS ... # for targets just in the
current directory
However, presently, nothing like this is implemented. Wouldn't be too hard,
just hasn't been done yet.
HTH,
David
On Mon, Mar 8, 2010 at 2:11 PM, Oliver Smith <osm...@playnet.com> wrote:
> On 3/6/2010 8:04 PM, J Decker wrote:
>
> there is a foreach() operator...
>
>
> Well, thanks for trying, but what I actually want to know is how to add
> something to all the current targets *automatically* - as in without
> specifying them by hand, and how to get the compiler flags etc of a
> particular target so that I can *generate* a custom command that matches
> the given target.
>
> get_file_component(pchbase ${PrecompiledHeader} NAME_WE)
> get_file_component(pchpath ${PrecompiledHeader} PATH)
>
> * foreach ( target in LISTS CMAKE_TARGET_LIST )*
>
> set(pchname "${CMAKE_BINARY_DIR}/${pchbase}.${target}.h")
>
> get_target_properties(defines ${target} COMPILE_DEFINITIONS)
> get_target_properties(flags ${target} COMPILE_FLAGS)
> set_target_properties(${target} PROPERTIES COMPILE_FLAGS "${flags}
> -include ${pchname} -Winvalid-pch")
>
> add_custom_command(${target} PRE_BUILD COMMAND
> "ln -s ${pchname} ${PrecompiledHeader}"
> "g++ ${defines} ${flags} -o ${pchname}.gch ${pchname}")
> )
> endforeach ()
>
> Marked in bold is the part I'm struggling with.
>
> - Oliver
>
>
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