autoconf/m4/single_cxx_check.m4

   1 dnl
   2 dnl AC_SINGLE_CXX_CHECK(CACHEVAR, FUNCTION, HEADER, PROGRAM)
   3 dnl                     $1,       $2,       $3,     $4,
   4
   5 AC_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