I need help from the CMake Gurus.
Attached is my attempt at rewriting kdepim/akonadi/agents/nie/CMakeLists.txt.
The problem is: the nepomuk-rcgen program creates a file that contains a list
of source files to compile into the nie library.
So you'll notice that I read the contents of the file into a variable and
attempt
to use that in kde4_add_library(). But CMake complains that the input files
don't exist.
I'm lost.
Help.
# a CMake script. envoke with the -P option
# must define
# BIN_INSTALL_DIR
# targetdir
# ontofile1, ontofile2, ontofile3, ontofile4
FIND_PROGRAM(_rcgen nepomuk-rcgen PATHS ${BIN_INSTALL_DIR} NO_DEFAULT_PATH)
if(NOT _rcgen)
message(FATAL_ERROR "Failed to find the Nepomuk source generator. Did you install Soprano?" )
else(NOT _rcgen)
FILE(TO_NATIVE_PATH ${_rcgen} _rcgen)
execute_process(
COMMAND ${_rcgen} --listheaders --prefix ${targetdir}/ --ontologies ${ontofile1} ${ontofile2} ${ontofile3} ${ontofile4}
OUTPUT_VARIABLE _out_headers
RESULT_VARIABLE _rcgen_result
ERROR_QUIET
)
file(WRITE ${targetdir}/out_headers "${_out_headers}")
# If the first call succeeds it is very very likely that the rest will, too
if(${_rcgen_result} EQUAL 0)
execute_process(
COMMAND ${_rcgen} --listsources --prefix ${targetdir}/ --ontologies ${ontofile1} ${ontofile2} ${ontofile3} ${ontofile4}
OUTPUT_VARIABLE _out_sources
ERROR_QUIET
)
file(WRITE ${targetdir}/out_sources "${_out_sources}")
execute_process(
COMMAND ${_rcgen} --listincludes --ontologies ${ontofile1} ${ontofile2} ${ontofile3} ${ontofile4}
OUTPUT_VARIABLE _out_includes
ERROR_QUIET
)
file(WRITE ${targetdir}/out_includes "${_out_includes}")
execute_process(
COMMAND ${_rcgen} --writeall --templates "DUMMY" --target ${targetdir}/ --ontologies ${ontofile1} ${ontofile2} ${ontofile3} ${ontofile4}
ERROR_QUIET
)
else(${_rcgen_result} EQUAL 0)
message(FATAL_ERROR "Failed to generate Nepomuk resource classes. Do you have a recent Soprano version?")
endif(${_rcgen_result} EQUAL 0)
endif(NOT _rcgen)
add_custom_command(
OUTPUT
${CMAKE_CURRENT_BINARY_DIR}/out_headers
${CMAKE_CURRENT_BINARY_DIR}/out_sources
${CMAKE_CURRENT_BINARY_DIR}/out_includes
COMMAND ${CMAKE_COMMAND}
ARGS
-DBIN_INSTALL_DIR=${BIN_INSTALL_DIR}
-Dontofile1=${CMAKE_CURRENT_SOURCE_DIR}/nie.rdfs
-Dontofile2=${CMAKE_CURRENT_SOURCE_DIR}/nco.rdfs
-Dontofile3=${CMAKE_CURRENT_SOURCE_DIR}/nmo.rdfs
-Dontofile4=${CMAKE_CURRENT_SOURCE_DIR}/nfo.rdfs
-Dtargetdir=${CMAKE_CURRENT_BINARY_DIR}
-P ${CMAKE_CURRENT_SOURCE_DIR}/rcgen.cmake
MAIN_DEPENDENCY ${CMAKE_CURRENT_SOURCE_DIR}/nie.rdfs
DEPENDS
${CMAKE_CURRENT_SOURCE_DIR}/nie.rdfs
${CMAKE_CURRENT_SOURCE_DIR}/nco.rdfs
${CMAKE_CURRENT_SOURCE_DIR}/nmo.rdfs
${CMAKE_CURRENT_SOURCE_DIR}/nfo.rdfs
)
add_custom_target(
nie-gen
ALL
DEPENDS
${CMAKE_CURRENT_BINARY_DIR}/out_headers
${CMAKE_CURRENT_BINARY_DIR}/out_sources
${CMAKE_CURRENT_BINARY_DIR}/out_includes
)
file(READ ${CMAKE_CURRENT_BINARY_DIR}/out_headers _out_headers)
file(READ ${CMAKE_CURRENT_BINARY_DIR}/out_sources _out_sources)
file(READ ${CMAKE_CURRENT_BINARY_DIR}/out_includes _out_includes)
kde4_add_library(nie STATIC ${_out_sources})
target_link_libraries(nie ${QT_QTCORE_LIBRARY} ${NEPOMUK_LIBRARIES})
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