18 lines
511 B
Plaintext
18 lines
511 B
Plaintext
AC_DEFUN([NULLPTR_CHECK],[
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AC_CACHE_CHECK([whether nullptr is supported], dune_cv_nullptr_support, [
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AC_REQUIRE([AC_PROG_CXX])
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AC_REQUIRE([GXX0X])
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AC_LANG_PUSH([C++])
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM(,[
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char* ch = nullptr;
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if(ch!=nullptr) { ; }
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])],
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[dune_cv_nullptr_support=yes],
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[dune_cv_nullptr_support=no])
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AC_LANG_POP
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])
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if test "x$dune_cv_nullptr_support" = xyes; then
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AC_DEFINE(HAVE_NULLPTR, 1, [Define to 1 if nullptr is supported])
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fi
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])
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