1AC_PREREQ(2.61) 2AC_INIT([realtime],[realtime-20090930],[ltp-results@lists.sourceforge.net]) 3AC_CONFIG_AUX_DIR([.]) 4AM_INIT_AUTOMAKE 5AC_CONFIG_HEADERS([include/realtime_config.h]) 6AC_CONFIG_FILES([ \ 7 m4/Makefile \ 8]) 9AC_CHECK_HEADERS_ONCE([ \ 10 pthread.h \ 11]) 12AC_CANONICAL_HOST 13 14AC_PROG_CC 15# <= autoconf 2.61 doesn't have AC_PROG_AR, but 2.63 has it. Not sure about 16# 2.62. 17AC_DEFUN([AC_PROG_AR], [AC_CHECK_TOOL(AR, ar, :)]) 18AC_PROG_AR 19AC_PROG_RANLIB 20 21AC_MSG_CHECKING([for __sync_add_and_fetch gcc builtin function]) 22AC_LINK_IFELSE([AC_LANG_SOURCE([ 23#ifndef _GNU_SOURCE 24#define _GNU_SOURCE 25#endif 26#include <stdlib.h> 27int main(void) { 28 char *c; 29 return __sync_add_and_fetch(c, 1); 30}])],[has___sync_add_and_fetch=yes]) 31if test "x$has___sync_add_and_fetch" = xyes; then 32 AC_DEFINE(HAVE___SYNC_ADD_AND_FETCH,1,[Define to 1 if you have the __sync_add_and_fetch gcc builtin function]) 33 AC_MSG_RESULT(yes) 34else 35 AC_MSG_RESULT(no) 36fi 37 38AC_CHECK_LIB([m], [exp10], [AC_DEFINE([HAVE_EXP10], 1, [Define to 1 if you have exp10 function])]) 39 40REALTIME_CHECK_PRIO_INHERIT 41 42AC_OUTPUT 43