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Use the CLANG_VERSION macro to control clang-specific features.

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FossilOrigin-Name: f8ebeec211483503e135104ef977b3c384a1d789
This commit is contained in:
drh
2017-01-03 20:01:24 +00:00
parent eea46aeafc
commit b94f2eccc1
5 changed files with 24 additions and 16 deletions
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10
src/sqliteInt.h
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@@ -110,6 +110,14 @@
# define GCC_VERSION 0
#endif
/* What version of CLANG is being used. 0 means GCC is not being used */
#ifdef __clang__
# define CLANG_VERSION \
(__clang_major__*1000000+__clang_minor__*1000+__clang_patchlevel__)
#else
# define CLANG_VERSION 0
#endif
/* Needed for various definitions... */
#if defined(__GNUC__) && !defined(_GNU_SOURCE)
# define _GNU_SOURCE
@@ -233,7 +241,7 @@
** the sqlite3StatusDown() function is threadsafe.
*/
#if !defined(SQLITE_DISABLE_INTRINSIC) \
&& defined(__GNUC__) && GCC_VERSION>=4004000
&& (GCC_VERSION>=4004000 || CLANG_VERSION>=3000000)
# define SQLITE_ATOMIC_STATUS_DOWN 1
#endif