1dnl 2dnl AC_SINGLE_CXX_CHECK(CACHEVAR, FUNCTION, HEADER, PROGRAM) 3dnl $1, $2, $3, $4, 4 5AC_DEFUN([AC_SINGLE_CXX_CHECK], 6[ 7 AC_CACHE_CHECK([for $2 in $3], [$1], 8 [ 9 AC_LANG_PUSH([C++]) 10 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include ]][$3], [$4])], 11 [$1][[=yes]], 12 [$1][[=no]]) 13 AC_LANG_POP([C++]) 14 ]) 15]) 16 17