1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
|
// This source file checks that:
// 1) Header <thrust/${header}> compiles without error.
// 2) Common macro collisions with platform/system headers are avoided.
// Turn off failures for certain configurations:
#define THRUST_CPP11_REQUIRED_NO_ERROR
#define THRUST_CPP14_REQUIRED_NO_ERROR
#define THRUST_MODERN_GCC_REQUIRED_NO_ERROR
#ifndef THRUST_IGNORE_MACRO_CHECKS
// Define THRUST_MACRO_CHECK(macro, header), which emits a diagnostic indicating
// a potential macro collision and halts.
//
// Hacky way to build a string, but it works on all tested platforms.
#define THRUST_MACRO_CHECK(MACRO, HEADER) \
THRUST_MACRO_CHECK_IMPL(Identifier MACRO should not be used from Thrust \
headers due to conflicts with HEADER macros.)
// Use raw platform checks instead of the THRUST_HOST_COMPILER macros since we
// don't want to #include any headers other than the one being tested.
//
// This is only implemented for MSVC/GCC/Clang.
#if defined(_MSC_VER) // MSVC
// Fake up an error for MSVC
#define THRUST_MACRO_CHECK_IMPL(msg) \
/* Print message that looks like an error: */ \
__pragma(message(__FILE__ ":" THRUST_MACRO_CHECK_IMPL0(__LINE__) \
": error: " #msg)) \
/* abort compilation due to static_assert or syntax error: */ \
static_assert(false, #msg);
#define THRUST_MACRO_CHECK_IMPL0(x) THRUST_MACRO_CHECK_IMPL1(x)
#define THRUST_MACRO_CHECK_IMPL1(x) #x
#elif defined(__clang__) || defined(__GNUC__)
// GCC/clang are easy:
#define THRUST_MACRO_CHECK_IMPL(msg) THRUST_MACRO_CHECK_IMPL0(GCC error #msg)
#define THRUST_MACRO_CHECK_IMPL0(expr) _Pragma(#expr)
#endif
// complex.h conflicts
#define I THRUST_MACRO_CHECK('I', complex.h)
// windows.h conflicts
#define small THRUST_MACRO_CHECK('small', windows.h)
// We can't enable these checks without breaking some builds -- some standard
// library implementations unconditionally `#undef` these macros, which then
// causes random failures later.
// Leaving these commented out as a warning: Here be dragons.
//#define min(...) THRUST_MACRO_CHECK('min', windows.h)
//#define max(...) THRUST_MACRO_CHECK('max', windows.h)
// termios.h conflicts (NVIDIA/thrust#1547)
#define B0 THRUST_MACRO_CHECK("B0", termios.h)
#endif // THRUST_IGNORE_MACRO_CHECKS
#include <thrust/${header}>
|
