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improve error message if C and Nim disagree on pointer size

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This commit is contained in:
Andreas Rumpf
2016-07-08 15:55:42 +02:00
parent abf1951ff0
commit 7f752db0e3
1 changed files with 3 additions and 3 deletions
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6
lib/nimbase.h
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@@ -102,7 +102,7 @@ __clang__
defined __ICL || \
defined __DMC__ || \
defined __BORLANDC__ )
# define NIM_THREADVAR __declspec(thread)
# define NIM_THREADVAR __declspec(thread)
/* note that ICC (linux) and Clang are covered by __GNUC__ */
#elif defined __GNUC__ || \
defined __SUNPRO_C || \
@@ -449,8 +449,8 @@ static inline void GCGuard (void *ptr) { asm volatile ("" :: "X" (ptr)); }
/* Test to see if Nim and the C compiler agree on the size of a pointer.
On disagreement, your C compiler will say something like:
"error: 'assert_numbits' declared as an array with a negative size" */
typedef int assert_numbits[sizeof(NI) == sizeof(void*) && NIM_INTBITS == sizeof(NI)*8 ? 1 : -1];
"error: 'Nim_and_C_compiler_disagree_on_target_architecture' declared as an array with a negative size" */
typedef int Nim_and_C_compiler_disagree_on_target_architecture[sizeof(NI) == sizeof(void*) && NIM_INTBITS == sizeof(NI)*8 ? 1 : -1];
#endif
#ifdef __cplusplus