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# FIND_MERGE_OBJECTS
# ------------------
# Find which linker to use to merge object files.
#
# See Note [Merging object files for GHCi] in GHC.Driver.Pipeline.
AC_DEFUN([FIND_MERGE_OBJECTS],[
AC_REQUIRE([FIND_LD])
if test -z "$MergeObjsCmd"; then
MergeObjsCmd="$LD"
fi
if test -z "$MergeObjsArgs"; then
MergeObjsArgs="-r"
fi
CHECK_FOR_GOLD_T22266($MergeObjsCmd)
if test "$result" = "1"; then
AC_MSG_NOTICE([$MergeObjsCmd is broken due to binutils 22266, looking for another linker...])
MergeObjsCmd=""
AC_CHECK_TARGET_TOOL([MergeObjsCmd], [ld])
CHECK_FOR_GOLD_T22266($MergeObjsCmd)
if test "$result" = "1"; then
AC_MSG_ERROR([Linker is affected by binutils 22266 but couldn't find another unaffected linker. Please set the MergeObjsCmd variable to a functional linker.])
fi
fi
AC_SUBST([MergeObjsCmd])
AC_SUBST([MergeObjsArgs])
])
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