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#
# Check that specified perl modules are installed.
#
# CHECK_PERL_MODULES(VARIABLE PERLMODS)
#
# VARIABLE - variable to store the result
# PERLMODS - list of modules to check
#
macro(CHECK_PERL_MODULES VARIABLE PERLMODS)
if(NOT DEFINED ${VARIABLE})
set(${VARIABLE} ON)
foreach(MOD ${PERLMODS})
write_file(conftest.pl "use ${MOD};")
execute_process(
COMMAND ${PERL_EXECUTABLE} conftest.pl
RESULT_VARIABLE RESULT
OUTPUT_QUIET
ERROR_QUIET
)
if(NOT RESULT EQUAL 0)
set(${VARIABLE} OFF)
message(STATUS "WARNING: Perl module ${MOD} not found")
endif(NOT RESULT EQUAL 0)
endforeach(MOD ${PERLMODS})
endif(NOT DEFINED ${VARIABLE})
endmacro(CHECK_PERL_MODULES)
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