diff options
Diffstat (limited to 'configure.in')
| -rw-r--r-- | configure.in | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/configure.in b/configure.in index cf36044771e..953c4507343 100644 --- a/configure.in +++ b/configure.in @@ -10,7 +10,7 @@ AC_CANONICAL_SYSTEM # # When changing major version number please also check switch statement # in mysqlbinlog::check_master_version(). -AM_INIT_AUTOMAKE(mysql, 5.1.23-maria-alpha) +AM_INIT_AUTOMAKE(mysql, 5.1.24-maria-alpha) AM_CONFIG_HEADER([include/config.h:config.h.in]) PROTOCOL_VERSION=10 @@ -837,6 +837,7 @@ AC_CHECK_FUNC(p2open, , AC_CHECK_LIB(gen, p2open)) AC_CHECK_FUNC(bind, , AC_CHECK_LIB(bind, bind)) # Check if crypt() exists in libc or libcrypt, sets LIBS if needed AC_SEARCH_LIBS(crypt, crypt, AC_DEFINE(HAVE_CRYPT, 1, [crypt])) +# See if we need a library for address lookup. AC_SEARCH_LIBS(inet_aton, [socket nsl resolv]) # For the sched_yield() function on Solaris @@ -1726,6 +1727,30 @@ case "$with_atomic_ops" in *) AC_MSG_ERROR(["$with_atomic_ops" is not a valid value for --with-atomic-ops]) ;; esac +AC_CACHE_CHECK([whether the compiler provides atomic builtins], + [mysql_cv_gcc_atomic_builtins], [AC_TRY_RUN([ + int main() + { + int foo= -10; int bar= 10; + if (!__sync_fetch_and_add(&foo, bar) || foo) + return -1; + bar= __sync_lock_test_and_set(&foo, bar); + if (bar || foo != 10) + return -1; + bar= __sync_val_compare_and_swap(&bar, foo, 15); + if (bar) + return -1; + return 0; + } +], [mysql_cv_gcc_atomic_builtins=yes], + [mysql_cv_gcc_atomic_builtins=no], + [mysql_cv_gcc_atomic_builtins=no])]) + +if test "x$mysql_cv_gcc_atomic_builtins" = xyes; then + AC_DEFINE(HAVE_GCC_ATOMIC_BUILTINS, 1, + [Define to 1 if compiler provides atomic builtins.]) +fi + # Force static compilation to avoid linking problems/get more speed AC_ARG_WITH(mysqld-ldflags, [ --with-mysqld-ldflags Extra linking arguments for mysqld], |