1*a53f50b9Schristosdnl ###################################################################### 2*a53f50b9Schristosdnl check if a map exists (if some library function exists). 3*a53f50b9Schristosdnl Usage: AC_CHECK_MAP_FUNCS(<functions>..., <map>, [<mapsymbol>]) 4*a53f50b9Schristosdnl Check if any of the functions <functions> exist. If any exist, then 5*a53f50b9Schristosdnl define HAVE_MAP_<map>. If <mapsymbol> exits, then defined 6*a53f50b9Schristosdnl HAVE_MAP_<mapsymbol> instead... 7*a53f50b9SchristosAC_DEFUN([AMU_CHECK_MAP_FUNCS], 8*a53f50b9Schristos[ 9*a53f50b9Schristos# find what name to give to the map 10*a53f50b9Schristosif test -n "$3" 11*a53f50b9Schristosthen 12*a53f50b9Schristos ac_map_name=$3 13*a53f50b9Schristoselse 14*a53f50b9Schristos ac_map_name=$2 15*a53f50b9Schristosfi 16*a53f50b9Schristos# store variable name of map 17*a53f50b9Schristosac_upcase_map_name=`echo $ac_map_name | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'` 18*a53f50b9Schristosac_safe=HAVE_MAP_$ac_upcase_map_name 19*a53f50b9Schristos# check for cache and set it if needed 20*a53f50b9SchristosAMU_CACHE_CHECK_DYNAMIC(for $ac_map_name maps, 21*a53f50b9Schristosac_cv_map_$ac_map_name, 22*a53f50b9Schristos[ 23*a53f50b9Schristos# define to "no" by default 24*a53f50b9Schristoseval "ac_cv_map_$ac_map_name=no" 25*a53f50b9Schristos# and look to see if it was found 26*a53f50b9SchristosAC_CHECK_FUNCS($1, 27*a53f50b9Schristos[ 28*a53f50b9Schristos eval "ac_cv_map_$ac_map_name=yes" 29*a53f50b9Schristos break 30*a53f50b9Schristos])]) 31*a53f50b9Schristos# check if need to define variable 32*a53f50b9Schristosif test "`eval echo '$''{ac_cv_map_'$ac_map_name'}'`" = yes 33*a53f50b9Schristosthen 34*a53f50b9Schristos AC_DEFINE_UNQUOTED($ac_safe) 35*a53f50b9Schristos# append info_<map>.o object to AMD_INFO_OBJS for automatic compilation 36*a53f50b9Schristos# if first time we add something to this list, then also tell autoconf 37*a53f50b9Schristos# to replace instances of it in Makefiles. 38*a53f50b9Schristos if test -z "$AMD_INFO_OBJS" 39*a53f50b9Schristos then 40*a53f50b9Schristos AMD_INFO_OBJS="info_${ac_map_name}.o" 41*a53f50b9Schristos AC_SUBST(AMD_INFO_OBJS) 42*a53f50b9Schristos else 43*a53f50b9Schristos AMD_INFO_OBJS="$AMD_INFO_OBJS info_${ac_map_name}.o" 44*a53f50b9Schristos fi 45*a53f50b9Schristosfi 46*a53f50b9Schristos]) 47*a53f50b9Schristosdnl ====================================================================== 48