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# prepend(out prefix ...)
# assign ${out} with all arguments from ... after prepending prefix to
# it.
FUNCTION(PREPEND var prefix)
SET(listVar "")
FOREACH(f ${ARGN})
LIST(APPEND listVar "${prefix}/${f}")
ENDFOREACH(f)
SET(${var} "${listVar}" PARENT_SCOPE)
ENDFUNCTION(PREPEND)
# join_list(out set element ...)
#
# Modern cmake has list(JOIN ...), but older do not.
function(join_list out sep)
set(str)
foreach(s ${ARGN})
if(NOT str)
set(str "${s}")
else()
set(str "${str}${sep}${s}")
endif()
endforeach()
set(${out} ${str} PARENT_SCOPE)
endfunction()
# ilink(from to)
# Install ${from} in ${to} using a relative symbolic link
FUNCTION(ILINK from to)
get_filename_component(LNTDIR ${to} DIRECTORY)
get_filename_component(LNTNAME ${from} NAME)
file(RELATIVE_PATH LNLNK ${LNTDIR} ${from})
install(CODE "EXECUTE_PROCESS(COMMAND ln -sf ${LNLNK} ./${LNTNAME}
WORKING_DIRECTORY \$ENV{DESTDIR}${LNTDIR})")
ENDFUNCTION(ILINK)
# Some autoconf utilities
function(AC_CHECK_HEADERS)
foreach(f ${ARGN})
string(REGEX REPLACE "[./]" "_" DEF ${f})
string(TOUPPER "HAVE_${DEF}" DEF)
check_include_file(${f} ${DEF})
set(${DEF} ${${DEF}} PARENT_CONTEXT)
endforeach()
endfunction()
function(AC_CHECK_FUNCS)
foreach(f ${ARGN})
string(TOUPPER "HAVE_${f}" DEF)
check_function_exists(${f} ${DEF})
set(${DEF} ${${DEF}} PARENT_CONTEXT)
endforeach()
endfunction()
# Prolog parts
function(library_index dir)
add_custom_command(
OUTPUT ${dir}/INDEX.pl
COMMAND ${PROG_SWIPL} -f none --no-packs -g "\"make_library_index('${dir}')\"" -t halt
DEPENDS ${dir})
endfunction()
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