AC_PREREQ(2.61) AC_INIT([realtime],[realtime-20090930],[ltp-results@lists.sourceforge.net]) AC_CONFIG_AUX_DIR([.]) AM_INIT_AUTOMAKE AC_CONFIG_HEADERS([include/realtime_config.h]) AC_CONFIG_FILES([ \ m4/Makefile \ ]) AC_CHECK_HEADERS_ONCE([ \ pthread.h \ ]) AM_CONDITIONAL(CROSS_COMPILATION, test x$cross_compiling = xyes) AC_CANONICAL_HOST AC_PROG_CC # <= autoconf 2.61 doesn't have AC_PROG_AR, but 2.63 has it. Not sure about # 2.62. AC_DEFUN([AC_PROG_AR], [AC_CHECK_TOOL(AR, ar, :)]) AC_PROG_AR AC_PROG_RANLIB AC_MSG_CHECKING([for __sync_add_and_fetch gcc builtin function]) AC_LINK_IFELSE([AC_LANG_SOURCE([ #ifndef _GNU_SOURCE #define _GNU_SOURCE #endif #include int main(void) { char *c; return __sync_add_and_fetch(c, 1); }])],[has___sync_add_and_fetch=yes]) if test "x$has___sync_add_and_fetch" = xyes; then AC_DEFINE(HAVE___SYNC_ADD_AND_FETCH,1,[Define to 1 if you have the __sync_add_and_fetch gcc builtin function]) AC_MSG_RESULT(yes) else AC_MSG_RESULT(no) fi REALTIME_CHECK_PRIO_INHERIT REALTIME_CHECK_ROBUST_APIS LTP_CHECK_EXP10 AC_OUTPUT