File: single_cxx_check.m4

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llvm-toolchain-3.5 1%3A3.5-10
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dnl
dnl AC_SINGLE_CXX_CHECK(CACHEVAR, FUNCTION, HEADER, PROGRAM)
dnl                     $1,       $2,       $3,     $4,

AC_DEFUN([AC_SINGLE_CXX_CHECK],
[
  AC_CACHE_CHECK([for $2 in $3], [$1],
  [
    AC_LANG_PUSH([C++])
    AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include ]][$3], [$4])],
                      [$1][[=yes]],
                      [$1][[=no]])
    AC_LANG_POP([C++])
  ])
])