AH_TEMPLATE([CONFIG_RCU_COMPAT_ARCH], [Compatibility mode for i386 which lacks cmpxchg instruction.])
AH_TEMPLATE([CONFIG_RCU_ARM_HAVE_DMB], [Use the dmb instruction if available for use on ARM.])
AH_TEMPLATE([CONFIG_RCU_TLS], [TLS provided by the compiler.])
+AH_TEMPLATE([CONFIG_RCU_HAVE_CLOCK_GETTIME], [clock_gettime() is detected.])
# Allow overriding storage used for TLS variables.
AC_ARG_ENABLE([compiler-tls],
AC_PROG_AWK
AC_PROG_MAKE_SET
AC_CHECK_PROGS(NPROC, [nproc gnproc])
+AC_CHECK_PROGS(GETCONF, [getconf])
+AS_IF([test "x$NPROC" != "x"],
+ [NPROC_CMD=$NPROC],
+ [AS_IF([test "x$GETCONF" != "x"],
+ [NPROC_CMD="$GETCONF _NPROCESSORS_ONLN"],
+ [NPROC_CMD="echo 1"]
+ )]
+)
+AC_SUBST([NPROC_CMD], [$NPROC_CMD])
+
LT_INIT
# Checks for typedefs, structures, and compiler characteristics.
[AM_CONDITIONAL(TARGET_IS_ANDROID, false)]
)
+AS_CASE([$host],[*-cygwin*],
+ [AM_CONDITIONAL(USE_CYGWIN, true)],
+ [AM_CONDITIONAL(USE_CYGWIN, false)]
+)
+
AC_SUBST(ARCHTYPE)
AC_SUBST(SUBARCHTYPE)
])
# Search for clock_gettime
-AC_SEARCH_LIBS([clock_gettime], [rt], [],
- [AC_MSG_ERROR([Cannot find clock_gettime function.])]
-)
+AC_SEARCH_LIBS([clock_gettime], [rt], [
+ AC_DEFINE([CONFIG_RCU_HAVE_CLOCK_GETTIME], [1])
+], [])
# Check for pthread
AC_CHECK_LIB([pthread], [pthread_create],