diff --git a/libcxx/include/cctype b/libcxx/include/cctype --- a/libcxx/include/cctype +++ b/libcxx/include/cctype @@ -36,8 +36,16 @@ #include <__assert> // all public C++ headers provide the assertion handler #include <__config> + #include <ctype.h> +#ifndef _LIBCPP_CTYPE_H +# error <cctype> tried including <ctype.h> but didn't find libc++'s <ctype.h> header. \ + This usually means that your header search paths are not configured properly. \ + The header search paths should contain the C++ Standard Library headers before \ + any C Standard Library. +#endif + #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) # pragma GCC system_header #endif diff --git a/libcxx/include/cerrno b/libcxx/include/cerrno --- a/libcxx/include/cerrno +++ b/libcxx/include/cerrno @@ -24,8 +24,17 @@ #include <__assert> // all public C++ headers provide the assertion handler #include <__config> + #include <errno.h> +#ifndef _LIBCPP_ERRNO_H +# error <cerrno> tried including <errno.h> but didn't find libc++'s <errno.h> header. \ + This usually means that your header search paths are not configured properly. \ + The header search paths should contain the C++ Standard Library headers before \ + any C Standard Library, and you are probably using compiler flags that make that \ + not be the case. +#endif + #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) # pragma GCC system_header #endif diff --git a/libcxx/include/cfenv b/libcxx/include/cfenv --- a/libcxx/include/cfenv +++ b/libcxx/include/cfenv @@ -54,8 +54,17 @@ #include <__assert> // all public C++ headers provide the assertion handler #include <__config> + #include <fenv.h> +#ifndef _LIBCPP_FENV_H +# error <cfenv> tried including <fenv.h> but didn't find libc++'s <fenv.h> header. \ + This usually means that your header search paths are not configured properly. \ + The header search paths should contain the C++ Standard Library headers before \ + any C Standard Library, and you are probably using compiler flags that make that \ + not be the case. +#endif + #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) # pragma GCC system_header #endif diff --git a/libcxx/include/cfloat b/libcxx/include/cfloat --- a/libcxx/include/cfloat +++ b/libcxx/include/cfloat @@ -71,8 +71,17 @@ #include <__assert> // all public C++ headers provide the assertion handler #include <__config> + #include <float.h> +#ifndef _LIBCPP_FLOAT_H +# error <cfloat> tried including <float.h> but didn't find libc++'s <float.h> header. \ + This usually means that your header search paths are not configured properly. \ + The header search paths should contain the C++ Standard Library headers before \ + any C Standard Library, and you are probably using compiler flags that make that \ + not be the case. +#endif + #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) # pragma GCC system_header #endif diff --git a/libcxx/include/cinttypes b/libcxx/include/cinttypes --- a/libcxx/include/cinttypes +++ b/libcxx/include/cinttypes @@ -237,8 +237,17 @@ #include <__assert> // all public C++ headers provide the assertion handler #include <__config> #include <cstdint> + #include <inttypes.h> +#ifndef _LIBCPP_INTTYPES_H +# error <cinttypes> tried including <inttypes.h> but didn't find libc++'s <inttypes.h> header. \ + This usually means that your header search paths are not configured properly. \ + The header search paths should contain the C++ Standard Library headers before \ + any C Standard Library, and you are probably using compiler flags that make that \ + not be the case. +#endif + #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) # pragma GCC system_header #endif diff --git a/libcxx/include/climits b/libcxx/include/climits --- a/libcxx/include/climits +++ b/libcxx/include/climits @@ -39,8 +39,17 @@ #include <__assert> // all public C++ headers provide the assertion handler #include <__config> + #include <limits.h> +#ifndef _LIBCPP_LIMITS_H +# error <climits> tried including <limits.h> but didn't find libc++'s <limits.h> header. \ + This usually means that your header search paths are not configured properly. \ + The header search paths should contain the C++ Standard Library headers before \ + any C Standard Library, and you are probably using compiler flags that make that \ + not be the case. +#endif + #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) # pragma GCC system_header #endif diff --git a/libcxx/include/clocale b/libcxx/include/clocale --- a/libcxx/include/clocale +++ b/libcxx/include/clocale @@ -36,8 +36,17 @@ #include <__assert> // all public C++ headers provide the assertion handler #include <__config> + #include <locale.h> +#ifndef _LIBCPP_LOCALE_H +# error <clocale> tried including <locale.h> but didn't find libc++'s <locale.h> header. \ + This usually means that your header search paths are not configured properly. \ + The header search paths should contain the C++ Standard Library headers before \ + any C Standard Library, and you are probably using compiler flags that make that \ + not be the case. +#endif + #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) # pragma GCC system_header #endif diff --git a/libcxx/include/cmath b/libcxx/include/cmath --- a/libcxx/include/cmath +++ b/libcxx/include/cmath @@ -306,10 +306,19 @@ #include <__assert> // all public C++ headers provide the assertion handler #include <__config> -#include <math.h> #include <type_traits> #include <version> +#include <math.h> + +#ifndef _LIBCPP_MATH_H +# error <cmath> tried including <math.h> but didn't find libc++'s <math.h> header. \ + This usually means that your header search paths are not configured properly. \ + The header search paths should contain the C++ Standard Library headers before \ + any C Standard Library, and you are probably using compiler flags that make that \ + not be the case. +#endif + #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) # pragma GCC system_header #endif diff --git a/libcxx/include/csetjmp b/libcxx/include/csetjmp --- a/libcxx/include/csetjmp +++ b/libcxx/include/csetjmp @@ -32,8 +32,17 @@ #include <__assert> // all public C++ headers provide the assertion handler #include <__config> + #include <setjmp.h> +#ifndef _LIBCPP_SETJMP_H +# error <csetjmp> tried including <setjmp.h> but didn't find libc++'s <setjmp.h> header. \ + This usually means that your header search paths are not configured properly. \ + The header search paths should contain the C++ Standard Library headers before \ + any C Standard Library, and you are probably using compiler flags that make that \ + not be the case. +#endif + #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) # pragma GCC system_header #endif diff --git a/libcxx/include/cstddef b/libcxx/include/cstddef --- a/libcxx/include/cstddef +++ b/libcxx/include/cstddef @@ -38,9 +38,18 @@ #include <__type_traits/enable_if.h> #include <__type_traits/integral_constant.h> #include <__type_traits/is_integral.h> -#include <stddef.h> #include <version> +#include <stddef.h> + +#ifndef _LIBCPP_STDDEF_H +# error <cstddef> tried including <stddef.h> but didn't find libc++'s <stddef.h> header. \ + This usually means that your header search paths are not configured properly. \ + The header search paths should contain the C++ Standard Library headers before \ + any C Standard Library, and you are probably using compiler flags that make that \ + not be the case. +#endif + #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) # pragma GCC system_header #endif diff --git a/libcxx/include/cstdint b/libcxx/include/cstdint --- a/libcxx/include/cstdint +++ b/libcxx/include/cstdint @@ -142,8 +142,17 @@ #include <__assert> // all public C++ headers provide the assertion handler #include <__config> + #include <stdint.h> +#ifndef _LIBCPP_STDINT_H +# error <cstdint> tried including <stdint.h> but didn't find libc++'s <stdint.h> header. \ + This usually means that your header search paths are not configured properly. \ + The header search paths should contain the C++ Standard Library headers before \ + any C Standard Library, and you are probably using compiler flags that make that \ + not be the case. +#endif + #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) # pragma GCC system_header #endif diff --git a/libcxx/include/cstdio b/libcxx/include/cstdio --- a/libcxx/include/cstdio +++ b/libcxx/include/cstdio @@ -97,8 +97,17 @@ #include <__assert> // all public C++ headers provide the assertion handler #include <__config> + #include <stdio.h> +#ifndef _LIBCPP_STDIO_H +# error <cstdio> tried including <stdio.h> but didn't find libc++'s <stdio.h> header. \ + This usually means that your header search paths are not configured properly. \ + The header search paths should contain the C++ Standard Library headers before \ + any C Standard Library, and you are probably using compiler flags that make that \ + not be the case. +#endif + #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) # pragma GCC system_header #endif diff --git a/libcxx/include/cstdlib b/libcxx/include/cstdlib --- a/libcxx/include/cstdlib +++ b/libcxx/include/cstdlib @@ -83,8 +83,17 @@ #include <__assert> // all public C++ headers provide the assertion handler #include <__config> + #include <stdlib.h> +#ifndef _LIBCPP_STDLIB_H +# error <cstdlib> tried including <stdlib.h> but didn't find libc++'s <stdlib.h> header. \ + This usually means that your header search paths are not configured properly. \ + The header search paths should contain the C++ Standard Library headers before \ + any C Standard Library, and you are probably using compiler flags that make that \ + not be the case. +#endif + #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) # pragma GCC system_header #endif diff --git a/libcxx/include/cstring b/libcxx/include/cstring --- a/libcxx/include/cstring +++ b/libcxx/include/cstring @@ -58,8 +58,17 @@ #include <__assert> // all public C++ headers provide the assertion handler #include <__config> + #include <string.h> +#ifndef _LIBCPP_STRING_H +# error <cstring> tried including <string.h> but didn't find libc++'s <string.h> header. \ + This usually means that your header search paths are not configured properly. \ + The header search paths should contain the C++ Standard Library headers before \ + any C Standard Library, and you are probably using compiler flags that make that \ + not be the case. +#endif + #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) # pragma GCC system_header #endif diff --git a/libcxx/include/cuchar b/libcxx/include/cuchar --- a/libcxx/include/cuchar +++ b/libcxx/include/cuchar @@ -36,8 +36,17 @@ #include <__assert> // all public C++ headers provide the assertion handler #include <__config> + #include <uchar.h> +#ifndef _LIBCPP_UCHAR_H +# error <cuchar> tried including <uchar.h> but didn't find libc++'s <uchar.h> header. \ + This usually means that your header search paths are not configured properly. \ + The header search paths should contain the C++ Standard Library headers before \ + any C Standard Library, and you are probably using compiler flags that make that \ + not be the case. +#endif + #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) # pragma GCC system_header #endif diff --git a/libcxx/include/cwchar b/libcxx/include/cwchar --- a/libcxx/include/cwchar +++ b/libcxx/include/cwchar @@ -105,8 +105,17 @@ #include <__assert> // all public C++ headers provide the assertion handler #include <__config> #include <cwctype> + #include <wchar.h> +#ifndef _LIBCPP_WCHAR_H +# error <cwchar> tried including <wchar.h> but didn't find libc++'s <wchar.h> header. \ + This usually means that your header search paths are not configured properly. \ + The header search paths should contain the C++ Standard Library headers before \ + any C Standard Library, and you are probably using compiler flags that make that \ + not be the case. +#endif + #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) # pragma GCC system_header #endif diff --git a/libcxx/include/cwctype b/libcxx/include/cwctype --- a/libcxx/include/cwctype +++ b/libcxx/include/cwctype @@ -52,8 +52,17 @@ #include <__assert> // all public C++ headers provide the assertion handler #include <__config> #include <cctype> + #include <wctype.h> +#ifndef _LIBCPP_WCTYPE_H +# error <cwctype> tried including <wctype.h> but didn't find libc++'s <wctype.h> header. \ + This usually means that your header search paths are not configured properly. \ + The header search paths should contain the C++ Standard Library headers before \ + any C Standard Library, and you are probably using compiler flags that make that \ + not be the case. +#endif + #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) # pragma GCC system_header #endif