Edit
kc3-lang/libevent/configure.in
Nick Mathewson
- configure.in
-
dnl configure.in for libevent dnl Dug Song <dugsong@monkey.org> AC_PREREQ(2.59c) AC_INIT(event.c) AC_CONFIG_MACRO_DIR([m4]) AM_INIT_AUTOMAKE(libevent,2.0.2-alpha) AM_CONFIG_HEADER(config.h) AC_DEFINE(NUMERIC_VERSION, 0x02000201, [Numeric representation of the version]) 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 # Enable many gcc warnings by default... CFLAGS="$CFLAGS -Wall" # And disable the strict-aliasing optimization, since it breaks # our sockaddr-handling code in strange ways. CFLAGS="$CFLAGS -fno-strict-aliasing" fi AC_ARG_ENABLE(gcc-warnings, AS_HELP_STRING(--enable-gcc-warnings, enable verbose warnings with GCC)) AC_ARG_ENABLE(thread-support, AS_HELP_STRING(--enable-thread-support, enable support for threading), [], [enable_thread_support=yes]) AC_ARG_ENABLE(malloc-replacement, AS_HELP_STRING(--disable-malloc-replacement, disable support for replacing the memory mgt functions), [], [enable_malloc_replacement=yes]) AC_ARG_ENABLE(openssl, AS_HELP_STRING(--disable-openssl, disable support for openssl encryption), [], [enable_openssl=yes]) 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_SEARCH_LIBS([inet_ntoa], [nsl]) AC_SEARCH_LIBS([socket], [socket]) AC_SEARCH_LIBS([inet_aton], [resolv]) AC_SEARCH_LIBS([clock_gettime], [rt]) AC_SEARCH_LIBS([sendfile], [sendfile]) dnl Determine if we have zlib for regression tests dnl Don't put this one in LIBS save_LIBS="$LIBS" LIBS="" ZLIB_LIBS="" have_zlib=no AC_SEARCH_LIBS([inflateEnd], [z], [have_zlib=yes ZLIB_LIBS="$LIBS" AC_DEFINE(HAVE_LIBZ, 1, [Define if the system has zlib])]) LIBS="$save_LIBS" AC_SUBST(ZLIB_LIBS) AM_CONDITIONAL(ZLIB_REGRESS, [test "$have_zlib" = "yes"]) dnl See if we have openssl. This doesn't go in LIBS either. save_LIBS="$LIBS" LIBS="" OPENSSL_LIBS="" have_openssl=no AC_SEARCH_LIBS([SSL_new], [ssl], [have_openssl=yes OPENSSL_LIBS="$LIBS" AC_DEFINE(HAVE_OPENSSL, 1, [Define if the system has openssl])]) LIBS="$save_LIBS" AC_SUBST(OPENSSL_LIBS) dnl Checks for header files. AC_HEADER_STDC AC_CHECK_HEADERS(fcntl.h stdarg.h inttypes.h stdint.h stddef.h poll.h unistd.h sys/epoll.h sys/time.h sys/queue.h sys/event.h sys/param.h sys/ioctl.h sys/select.h sys/devpoll.h port.h netinet/in.h netinet/in6.h sys/socket.h sys/uio.h arpa/inet.h sys/eventfd.h sys/mman.h sys/sendfile.h netdb.h) if test "x$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 die horribly #endif ], bwin32=true; AC_MSG_RESULT(yes), bwin32=false; AC_MSG_RESULT(no), ) AM_CONDITIONAL(BUILD_WIN32, test x$bwin32 = xtrue) dnl Checks for typedefs, structures, and compiler characteristics. AC_C_CONST AC_C_INLINE AC_HEADER_TIME dnl Checks for library functions. AC_CHECK_FUNCS(gettimeofday vasprintf fcntl clock_gettime strtok_r strsep getaddrinfo getnameinfo strlcpy inet_ntop inet_pton signal sigaction strtoll inet_aton pipe eventfd sendfile mmap splice) AC_CHECK_SIZEOF(long) if test "x$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_TYPE_SSIZE_T AC_CHECK_TYPES([uint64_t, uint32_t, uint16_t, uint8_t], , , [#ifdef HAVE_STDINT_H #include <stdint.h> #elif defined(HAVE_INTTYPES_H) #include <inttypes.h> #endif #ifdef HAVE_SYS_TYPES_H #include <sys/types.h> #endif]) AC_CHECK_TYPES([fd_mask], , , [#ifdef HAVE_SYS_TYPES_H #include <sys/types.h> #endif #ifdef HAVE_SELECT_H #include <select.h> #endif]) AC_CHECK_SIZEOF(long long) AC_CHECK_SIZEOF(long) AC_CHECK_SIZEOF(int) AC_CHECK_SIZEOF(short) AC_CHECK_SIZEOF(size_t) AC_CHECK_TYPES([struct in6_addr, struct sockaddr_in6, sa_family_t], , , [#include <sys/types.h> #ifdef HAVE_NETINET_IN_H #include <netinet/in.h> #endif #ifdef HAVE_NETINET_IN6_H #include <netinet/in6.h> #endif #ifdef HAVE_SYS_SOCKET_H #include <sys/socket.h> #endif #ifdef WIN32 #define WIN32_WINNT 0x400 #define _WIN32_WINNT 0x400 #define WIN32_LEAN_AND_MEAN #if defined(_MSC_VER) && (_MSC_VER < 1300) #include <winsock.h> #else #include <winsock2.h> #include <ws2tcpip.h> #endif #endif ]) AC_CHECK_MEMBERS([struct in6_addr.s6_addr32, struct in6_addr.s6_addr16, struct sockaddr_in.sin_len, struct sockaddr_in6.sin6_len], , , [#include <sys/types.h> #ifdef HAVE_NETINET_IN_H #include <netinet/in.h> #endif #ifdef HAVE_NETINET_IN6_H #include <netinet/in6.h> #endif #ifdef HAVE_SYS_SOCKET_H #include <sys/socket.h> #endif #ifdef WIN32 #define WIN32_WINNT 0x400 #define _WIN32_WINNT 0x400 #define WIN32_LEAN_AND_MEAN #if defined(_MSC_VER) && (_MSC_VER < 1300) #include <winsock.h> #else #include <winsock2.h> #include <ws2tcpip.h> #endif #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__]))) # check if we can compile with pthreads have_pthreads=no ACX_PTHREAD([ AC_DEFINE(HAVE_PTHREADS, 1, [Define if we have pthreads on this system]) have_pthreads=yes]) AM_CONDITIONAL(PTHREADS, [test "$have_pthreads" != "no" && test "$enable_thread_support" != "no"]) # check if we should compile locking into the library if test x$enable_thread_support = xno; then AC_DEFINE(DISABLE_THREAD_SUPPORT, 1, [Define if libevent should not be compiled with thread support]) fi # check if we should hard-code the mm functions. if test x$enable_malloc_replacement = xno; then AC_DEFINE(DISABLE_MM_REPLACEMENT, 1, [Define if libevent should not allow replacing the mm functions]) fi # check if we have and should use openssl AM_CONDITIONAL(OPENSSL, [test "$enable_openssl" != "no" && test "$have_openssl" = "yes"]) # Add some more warnings which we use in development but not in the # released versions. (Some relevant gcc versions can't handle these.) if test x$enable_gcc_warnings = xyes; then AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], [ #if !defined(__GNUC__) || (__GNUC__ < 4) #error #endif]), have_gcc4=yes, have_gcc4=no) AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], [ #if !defined(__GNUC__) || (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 2) #error #endif]), have_gcc42=yes, have_gcc42=no) CFLAGS="$CFLAGS -W -Wfloat-equal -Wundef -Wpointer-arith -Wstrict-prototypes -Wmissing-prototypes -Wwrite-strings -Wredundant-decls -Wchar-subscripts -Wcomment -Wformat -Wwrite-strings -Wmissing-declarations -Wredundant-decls -Wnested-externs -Wbad-function-cast -Wswitch-enum -Werror" CFLAGS="$CFLAGS -Wno-unused-parameter -Wno-sign-compare -Wstrict-aliasing" if test x$have_gcc4 = xyes ; then # These warnings break gcc 3.3.5 and work on gcc 4.0.2 CFLAGS="$CFLAGS -Winit-self -Wmissing-field-initializers -Wdeclaration-after-statement" #CFLAGS="$CFLAGS -Wold-style-definition" fi if test x$have_gcc42 = xyes ; then # These warnings break gcc 4.0.2 and work on gcc 4.2 CFLAGS="$CFLAGS -Waddress -Wnormalized=id -Woverride-init" fi ##This will break the world on some 64-bit architectures # CFLAGS="$CFLAGS -Winline" fi AC_CONFIG_FILES( [libevent.pc] ) AC_OUTPUT(Makefile include/Makefile test/Makefile sample/Makefile)