Edit
kc3-lang/libevent/configure.in
Nick Mathewson
- configure.in
-
dnl configure.in for libevent dnl Dug Song <dugsong@monkey.org> AC_INIT(event.c) AM_INIT_AUTOMAKE(libevent,1.3.99-trunk) AM_CONFIG_HEADER(config.h) AM_MAINTAINER_MODE dnl Initialize prefix. if test "$prefix" = "NONE"; then prefix="/usr/local" fi dnl Checks for programs. AC_PROG_CC AC_PROG_INSTALL AC_PROG_LN_S AC_PROG_GCC_TRADITIONAL if test "$GCC" = yes ; then CFLAGS="$CFLAGS -Wall" fi AC_PROG_LIBTOOL dnl Uncomment "AC_DISABLE_SHARED" to make shared librraries not get dnl built by default. You can also turn shared libs on and off from dnl the command line with --enable-shared and --disable-shared. dnl AC_DISABLE_SHARED AC_SUBST(LIBTOOL_DEPS) dnl Checks for libraries. AC_CHECK_LIB(socket, socket) AC_CHECK_LIB(resolv, inet_aton) AC_CHECK_LIB(rt, clock_gettime) AC_CHECK_LIB(nsl, inet_ntoa) dnl Checks for header files. AC_HEADER_STDC AC_CHECK_HEADERS(fcntl.h stdarg.h inttypes.h stdint.h poll.h signal.h unistd.h sys/epoll.h sys/time.h sys/queue.h sys/event.h sys/param.h sys/ioctl.h sys/select.h sys/devpoll.h port.h netinet/in6.h sys/socket.h) if test "x$ac_cv_header_sys_queue_h" = "xyes"; then AC_MSG_CHECKING(for TAILQ_FOREACH in sys/queue.h) AC_EGREP_CPP(yes, [ #include <sys/queue.h> #ifdef TAILQ_FOREACH yes #endif ], [AC_MSG_RESULT(yes) AC_DEFINE(HAVE_TAILQFOREACH, 1, [Define if TAILQ_FOREACH is defined in <sys/queue.h>])], AC_MSG_RESULT(no) ) fi if test "x$ac_cv_header_sys_time_h" = "xyes"; then AC_MSG_CHECKING(for timeradd in sys/time.h) AC_EGREP_CPP(yes, [ #include <sys/time.h> #ifdef timeradd yes #endif ], [ AC_DEFINE(HAVE_TIMERADD, 1, [Define if timeradd is defined in <sys/time.h>]) AC_MSG_RESULT(yes)] ,AC_MSG_RESULT(no) ) fi if test "x$ac_cv_header_sys_time_h" = "xyes"; then AC_MSG_CHECKING(for timercmp in sys/time.h) AC_EGREP_CPP(yes, [ #include <sys/time.h> #ifdef timercmp yes #endif ], [ AC_DEFINE(HAVE_TIMERCMP, 1, [Define if timercmp is defined in <sys/time.h>]) AC_MSG_RESULT(yes)] ,AC_MSG_RESULT(no) ) fi if test "x$ac_cv_header_sys_time_h" = "xyes"; then AC_MSG_CHECKING(for timerclear in sys/time.h) AC_EGREP_CPP(yes, [ #include <sys/time.h> #ifdef timerclear yes #endif ], [ AC_DEFINE(HAVE_TIMERCLEAR, 1, [Define if timerclear is defined in <sys/time.h>]) AC_MSG_RESULT(yes)] ,AC_MSG_RESULT(no) ) fi if test "x$ac_cv_header_sys_time_h" = "xyes"; then AC_MSG_CHECKING(for timerisset in sys/time.h) AC_EGREP_CPP(yes, [ #include <sys/time.h> #ifdef timerisset yes #endif ], [ AC_DEFINE(HAVE_TIMERISSET, 1, [Define if timerisset is defined in <sys/time.h>]) AC_MSG_RESULT(yes)] ,AC_MSG_RESULT(no) ) fi dnl - check if the macro WIN32 is defined on this compiler. dnl - (this is how we check for a windows version of GCC) AC_MSG_CHECKING(for WIN32) AC_TRY_COMPILE(, [ #ifndef WIN32 #error #endif ], bwin32=true; AC_MSG_RESULT(yes), bwin32=false; AC_MSG_RESULT(no), ) AM_CONDITIONAL(BUILD_WIN32, test x$bwin32 = xtrue) dnl Checks for typedefs, structures, and compiler characteristics. AC_C_CONST AC_C_INLINE AC_HEADER_TIME dnl Checks for library functions. AC_CHECK_FUNCS(gettimeofday vasprintf fcntl clock_gettime strtok_r strsep getaddrinfo getnameinfo strlcpy inet_ntop signal sigaction) if test "x$ac_cv_func_clock_gettime" = "xyes"; then AC_DEFINE(DNS_USE_CPU_CLOCK_FOR_ID, 1, [Define if clock_gettime is available in libc]) else AC_DEFINE(DNS_USE_GETTIMEOFDAY_FOR_ID, 1, [Define is no secure id variant is available]) fi AC_MSG_CHECKING(for F_SETFD in fcntl.h) AC_EGREP_CPP(yes, [ #define _GNU_SOURCE #include <fcntl.h> #ifdef F_SETFD yes #endif ], [ AC_DEFINE(HAVE_SETFD, 1, [Define if F_SETFD is defined in <fcntl.h>]) AC_MSG_RESULT(yes) ], AC_MSG_RESULT(no)) needsignal=no haveselect=no AC_CHECK_FUNCS(select, [haveselect=yes], ) if test "x$haveselect" = "xyes" ; then AC_LIBOBJ(select) needsignal=yes fi havepoll=no AC_CHECK_FUNCS(poll, [havepoll=yes], ) if test "x$havepoll" = "xyes" ; then AC_LIBOBJ(poll) needsignal=yes fi haveepoll=no AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], ) if test "x$haveepoll" = "xyes" ; then AC_DEFINE(HAVE_EPOLL, 1, [Define if your system supports the epoll system calls]) AC_LIBOBJ(epoll) needsignal=yes fi havedevpoll=no if test "x$ac_cv_header_sys_devpoll_h" = "xyes"; then AC_DEFINE(HAVE_DEVPOLL, 1, [Define if /dev/poll is available]) AC_LIBOBJ(devpoll) fi havekqueue=no if test "x$ac_cv_header_sys_event_h" = "xyes"; then AC_CHECK_FUNCS(kqueue, [havekqueue=yes], ) if test "x$havekqueue" = "xyes" ; then AC_MSG_CHECKING(for working kqueue) AC_TRY_RUN( #include <sys/types.h> #include <sys/time.h> #include <sys/event.h> #include <stdio.h> #include <unistd.h> #include <fcntl.h> int main(int argc, char **argv) { int kq; int n; int fd[[2]]; struct kevent ev; struct timespec ts; char buf[[8000]]; if (pipe(fd) == -1) exit(1); if (fcntl(fd[[1]], F_SETFL, O_NONBLOCK) == -1) exit(1); while ((n = write(fd[[1]], buf, sizeof(buf))) == sizeof(buf)) ; if ((kq = kqueue()) == -1) exit(1); ev.ident = fd[[1]]; ev.filter = EVFILT_WRITE; ev.flags = EV_ADD | EV_ENABLE; n = kevent(kq, &ev, 1, NULL, 0, NULL); if (n == -1) exit(1); read(fd[[0]], buf, sizeof(buf)); ts.tv_sec = 0; ts.tv_nsec = 0; n = kevent(kq, NULL, 0, &ev, 1, &ts); if (n == -1 || n == 0) exit(1); exit(0); }, [AC_MSG_RESULT(yes) AC_DEFINE(HAVE_WORKING_KQUEUE, 1, [Define if kqueue works correctly with pipes]) AC_LIBOBJ(kqueue)], AC_MSG_RESULT(no), AC_MSG_RESULT(no)) fi fi haveepollsyscall=no if test "x$ac_cv_header_sys_epoll_h" = "xyes"; then if test "x$haveepoll" = "xno" ; then AC_MSG_CHECKING(for epoll system call) AC_TRY_RUN( #include <stdint.h> #include <sys/param.h> #include <sys/types.h> #include <sys/syscall.h> #include <sys/epoll.h> #include <unistd.h> int epoll_create(int size) { return (syscall(__NR_epoll_create, size)); } int main(int argc, char **argv) { int epfd; epfd = epoll_create(256); exit (epfd == -1 ? 1 : 0); }, [AC_MSG_RESULT(yes) AC_DEFINE(HAVE_EPOLL, 1, [Define if your system supports the epoll system calls]) needsignal=yes AC_LIBOBJ(epoll_sub) AC_LIBOBJ(epoll)], AC_MSG_RESULT(no), AC_MSG_RESULT(no)) fi fi haveeventports=no AC_CHECK_FUNCS(port_create, [haveeventports=yes], ) if test "x$haveeventports" = "xyes" ; then AC_DEFINE(HAVE_EVENT_PORTS, 1, [Define if your system supports event ports]) AC_LIBOBJ(evport) needsignal=yes fi if test "x$bwin32" = "xtrue"; then needsignal=yes fi if test "x$bwin32" = "xtrue"; then needsignal=yes fi if test "x$needsignal" = "xyes" ; then AC_LIBOBJ(signal) fi AC_TYPE_PID_T AC_TYPE_SIZE_T AC_CHECK_TYPE(uint64_t, unsigned long long) AC_CHECK_TYPE(uint32_t, unsigned int) AC_CHECK_TYPE(uint16_t, unsigned short) AC_CHECK_TYPE(uint8_t, unsigned char) AC_CHECK_TYPES([struct in6_addr], , , [#ifdef WIN32 #include <winsock2.h> #else #include <sys/types.h> #include <netinet/in.h> #include <sys/socket.h> #endif #ifdef HAVE_NETINET_IN6_H #include <netinet/in6.h> #endif]) AC_MSG_CHECKING([for socklen_t]) AC_TRY_COMPILE([ #include <sys/types.h> #include <sys/socket.h>], [socklen_t x;], AC_MSG_RESULT([yes]), [AC_MSG_RESULT([no]) AC_DEFINE(socklen_t, unsigned int, [Define to unsigned int if you dont have it])] ) AC_MSG_CHECKING([whether our compiler supports __func__]) AC_TRY_COMPILE([], [ const char *cp = __func__; ], AC_MSG_RESULT([yes]), AC_MSG_RESULT([no]) AC_MSG_CHECKING([whether our compiler supports __FUNCTION__]) AC_TRY_COMPILE([], [ const char *cp = __FUNCTION__; ], AC_MSG_RESULT([yes]) AC_DEFINE(__func__, __FUNCTION__, [Define to appropriate substitue if compiler doesnt have __func__]), AC_MSG_RESULT([no]) AC_DEFINE(__func__, __FILE__, [Define to appropriate substitue if compiler doesnt have __func__]))) AC_OUTPUT(Makefile test/Makefile sample/Makefile)