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1 dnl ######################################################################
2 dnl What do we need for math libraries?
3 AC_DEFUN([NTP_LIB_M], [
4 LIBM=
5 case "$host" in
6  *-*-darwin*)
7     ;;
8  *)
9     _libs=$LIBS
10     AC_SEARCH_LIBS([cos], [m], [LIBM="-lm"])
11     LIBS=$_libs
12     ;;
13 esac
14 AC_SUBST([LIBM])
15 AS_UNSET([_libs])
16 ])
17 dnl ======================================================================