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shada,config: Use CMake to determine endianess and be64toh existence

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ZyX
2015-08-15 16:16:29 +03:00
parent 8f7ddfb9a4
commit 0d15b35d49
3 changed files with 40 additions and 48 deletions
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55
src/nvim/shada.c
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@@ -1,3 +1,8 @@
#ifdef HAVE_BE64TOH
# define _BSD_SOURCE 1
# define _DEFAULT_SOURCE 1
# include <endian.h>
#endif
#include <stdlib.h>
#include <stddef.h>
#include <stdbool.h>
@@ -7,15 +12,6 @@
#include <errno.h>
#include <unistd.h>
#include <assert.h>
#if defined (__GLIBC__)
# ifndef _BSD_SOURCE
# define _BSD_SOURCE 1
# endif
# ifndef _DEFAULT_SOURCE
# define _DEFAULT_SOURCE 1
# endif
# include <endian.h>
#endif
#include <msgpack.h>
@@ -88,43 +84,6 @@ KHASH_SET_INIT_STR(strset)
#define regtilde(s, m) ((char *) regtilde((char_u *) s, m))
#define path_tail_with_sep(f) ((char *) path_tail_with_sep((char_u *)f))
// From http://www.boost.org/doc/libs/1_43_0/boost/detail/endian.hpp + some
// additional checks done after examining `{compiler} -dM -E - < /dev/null`
// output.
#if defined (__GLIBC__)
# if (__BYTE_ORDER == __BIG_ENDIAN)
# define SHADA_BIG_ENDIAN
# endif
#elif defined(_BIG_ENDIAN) || defined(_LITTLE_ENDIAN)
# if defined(_BIG_ENDIAN) && !defined(_LITTLE_ENDIAN)
# define SHADA_BIG_ENDIAN
# endif
// clang-specific
#elif defined(__BIG_ENDIAN__) || defined(__LITTLE_ENDIAN__)
# if defined(_BIG_ENDIAN) && !defined(_LITTLE_ENDIAN)
# define SHADA_BIG_ENDIAN
# endif
// pcc-, gcc- and clang-specific
#elif defined(__BYTE_ORDER__) && defined(__ORDER_BIG_ENDIAN__)
# if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
# define SHADA_BIG_ENDIAN
# endif
#elif defined(__sparc) || defined(__sparc__) \
|| defined(_POWER) || defined(__powerpc__) \
|| defined(__ppc__) || defined(__hpux) || defined(__hppa) \
|| defined(_MIPSEB) || defined(_POWER) \
|| defined(__s390__)
# define SHADA_BIG_ENDIAN
#elif defined(__i386__) || defined(__alpha__) \
|| defined(__ia64) || defined(__ia64__) \
|| defined(_M_IX86) || defined(_M_IA64) \
|| defined(_M_ALPHA) || defined(__amd64) \
|| defined(__amd64__) || defined(_M_AMD64) \
|| defined(__x86_64) || defined(__x86_64__) \
|| defined(_M_X64) || defined(__bfin__)
// Define nothing
#endif
#define SEARCH_KEY_MAGIC "sm"
#define SEARCH_KEY_SMARTCASE "sc"
#define SEARCH_KEY_HAS_LINE_OFFSET "sl"
@@ -3176,10 +3135,10 @@ static void shada_free_shada_entry(ShadaEntry *const entry)
}
}
#ifndef __GLIBC__
#ifndef HAVE_BE64TOH
static inline uint64_t be64toh(uint64_t big_endian_64_bits)
{
#ifdef SHADA_BIG_ENDIAN
#ifdef ORDER_BIG_ENDIAN
return big_endian_64_bits;
#else
uint8_t *buf = (uint8_t *) &big_endian_64_bits;