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configure.ac: Add __int128 support.

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This commit is contained in:
Jason Volk 2016-09-11 15:38:23 -07:00
parent a023048419
commit 5b607b5b1f
2 changed files with 13 additions and 3 deletions
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8
configure.ac
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@ -367,14 +367,16 @@ AC_TYPE_SSIZE_T
AC_TYPE_UID_T
AC_TYPE_PID_T
AC_CHECK_TYPES([intptr_t])
AC_CHECK_TYPES([uintptr_t])
AC_CHECK_TYPES([__int128])
AC_CHECK_SIZEOF(char)
AC_CHECK_SIZEOF(short)
AC_CHECK_SIZEOF(int)
AC_CHECK_SIZEOF(long)
AC_CHECK_SIZEOF(long long)
AC_CHECK_TYPES([intptr_t])
AC_CHECK_TYPES([uintptr_t])
AC_CHECK_SIZEOF(__int128)
AC_FUNC_MMAP
AC_FUNC_VFORK

8
include/rb/system.h
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@ -30,6 +30,14 @@ extern "C" {
typedef unsigned int uint;
#endif
#ifndef int128_t
typedef __int128 int128_t;
#endif
#ifndef uint128_t
typedef unsigned __int128 uint128_t;
#endif
#ifdef __GNUC__
#undef alloca
#define alloca __builtin_alloca