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liblzma: Use TUKLIB_GNUC_REQ to check GCC version in sha256.c.

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This commit is contained in:
Lasse Collin 2011-04-05 22:41:33 +03:00
parent db33117cc8
commit b34c5ce4b2
1 changed files with 3 additions and 3 deletions
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6
src/liblzma/check/sha256.c
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@ -22,13 +22,13 @@
// //
/////////////////////////////////////////////////////////////////////////////// ///////////////////////////////////////////////////////////////////////////////
#include "check.h"
// Avoid bogus warnings in transform(). // Avoid bogus warnings in transform().
#if (__GNUC__ == 4 && __GNUC_MINOR__ >= 2) || __GNUC__ > 4 #if TUKLIB_GNUC_REQ(4, 2)
# pragma GCC diagnostic ignored "-Wuninitialized" # pragma GCC diagnostic ignored "-Wuninitialized"
#endif #endif
#include "check.h"
// At least on x86, GCC is able to optimize this to a rotate instruction. // At least on x86, GCC is able to optimize this to a rotate instruction.
#define rotr_32(num, amount) ((num) >> (amount) | (num) << (32 - (amount))) #define rotr_32(num, amount) ((num) >> (amount) | (num) << (32 - (amount)))