autoconf/m4/single_cxx_check.m4

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