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Do not make assumptions about the byteorder of PowerPC processors.

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FossilOrigin-Name: 4a2498fed4c5436fbcd4179db85e2741fdab37d42b0eebf12f41ec4573ce2c61
This commit is contained in:
drh
2023-09-04 12:50:17 +00:00
parent d3c5471a9a
commit 25a6e6ec8b
4 changed files with 42 additions and 20 deletions
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29
src/sqliteInt.h
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@@ -923,16 +923,33 @@ typedef INT16_TYPE LogEst;
** using C-preprocessor macros. If that is unsuccessful, or if
** -DSQLITE_BYTEORDER=0 is set, then byte-order is determined
** at run-time.
**
** If you are building SQLite on some obscure platform for which the
** following ifdef magic does not work, you can always include either:
**
** -DSQLITE_BYTEORDER=1234
**
** or
**
** -DSQLITE_BYTEORDER=4321
**
** to cause the build to work for little-endian or big-endian processors,
** respectively.
*/
#ifndef SQLITE_BYTEORDER
# if defined(i386) || defined(__i386__) || defined(_M_IX86) || \
#ifndef SQLITE_BYTEORDER /* Replicate changes at tag-20230904a */
# if defined(__BYTE_ORDER__) && __BYTE_ORDER__==__ORDER_BIG_ENDIAN__
# define SQLITE_BYTEORDER 4321
# elif defined(__BYTE_ORDER__) && __BYTE_ORDER__==__ORDER_LITTLE_ENDIAN__
# define SQLITE_BYTEORDER 1234
# elif defined(__BIG_ENDIAN__) && __BIG_ENDIAN__==1
# define SQLITE_BYTEORDER 4321
# elif defined(i386) || defined(__i386__) || defined(_M_IX86) || \
defined(__x86_64) || defined(__x86_64__) || defined(_M_X64) || \
defined(_M_AMD64) || defined(_M_ARM) || defined(__x86) || \
defined(__ARMEL__) || defined(__AARCH64EL__) || defined(_M_ARM64)
# define SQLITE_BYTEORDER 1234
# elif defined(sparc) || defined(__ppc__) || \
defined(__ARMEB__) || defined(__AARCH64EB__)
# define SQLITE_BYTEORDER 4321
# define SQLITE_BYTEORDER 1234
# elif defined(sparc) || defined(__ARMEB__) || defined(__AARCH64EB__)
# define SQLITE_BYTEORDER 4321
# else
# define SQLITE_BYTEORDER 0
# endif