enable_language(C) enable_language(CXX) include(CheckIncludeFiles) check_include_files("stddef.h;stdlib.h" HAVE_STDLIB_H) check_include_files("stddef.h;stdlib.h" HAVE_STDLIB_H2 LANGUAGE C) check_include_files("cstddef;cstdlib" HAVE_CSTDLIB_H LANGUAGE CXX)
