dnl $Id: configure.ac 26260 2008-12-10 04:08:39Z androsyn $ dnl Process this file with autoconf to produce a configure script. dnl TODO: clean up all the OpenSSL and shared module checking stuff; dnl the most major changes have already been made and it looks like dnl said functions need to be just about as complex as they already are. AC_PREREQ(2.63) AUTOMAKE_OPTIONS = 1.10 dnl Sneaky way to get an Id tag into the configure script AC_COPYRIGHT([$Id: configure.ac 26260 2008-12-10 04:08:39Z androsyn $]) AC_INIT([libratbox],[devel]) AM_INIT_AUTOMAKE(AC_PACKAGE_TARNAME, AC_PACKAGE_VERSION, -) AM_CONFIG_HEADER(include/libratbox_config.h) AC_PREFIX_DEFAULT(/usr/local/libratbox) AC_GNU_SOURCE dnl Checks for programs. AC_PROG_CC_C99 if test x"$ac_cv_prog_cc_c99" = "xno"; then AC_ERROR([ircd-ratbox requires a C99 capable compiler]) fi AC_PROG_INSTALL AC_PROG_EGREP AC_PROG_SED F77=no CXX=no GCJ=no AM_DISABLE_STATIC AM_ENABLE_SHARED AM_MAINTAINER_MODE AC_ISC_POSIX AC_C_INLINE AC_C_CONST AC_C_BIGENDIAN AC_PROG_MAKE_SET AC_PROG_INSTALL AC_PATH_PROG(AUTOMAKE, automake) AC_PATH_PROG(ACLOCAL, aclocal) AC_PATH_PROG(AUTOHEADER, autoheader) AC_PATH_PROG(AS, as) AC_PATH_PROG(RM, rm) AC_PATH_PROG(CP, cp) AC_PATH_PROG(MV, mv) AC_PATH_PROG(LN, ln) AC_PATH_PROG(TOUCH, touch) AC_LANG(C) AC_PROG_LIBTOOL LIBTOOL="$LIBTOOL --silent" case "$host_os" in *cygwin*) AC_DEFINE_UNQUOTED(CYGWIN,1,[This is a Cygwin system]) AC_DEFINE_UNQUOTED(WINDOWS,1,[This is a Windows system]) ;; *mingw*) AC_DEFINE_UNQUOTED(MINGW,1,[This is a MinGW system]) AC_DEFINE_UNQUOTED(WINDOWS,1,[This is a Windows system]) AC_CHECK_HEADER(windows.h, , [AC_MSG_ERROR([** MinGW and no windows.h. I give up.])]) AC_CHECK_HEADER(winsock2.h, , [AC_MSG_ERROR([** MinGW and no winsock2.h. I give up.])]) AC_DEFINE_UNQUOTED(HAVE_WINSOCK2_H, 1, [Have WINSOCK2_H]) AC_DEFINE_UNQUOTED(HAVE_WINSOCK_H, 1, [Have WINSOCK_H]) LIBS="$LIBS -lws2_32 -liphlpapi" is_mingw="yes" ;; *interix*) CPPFLAGS="$CFLAGS -D_ALL_SOURCE -D_XOPEN_SOURCE=500" ;; *solaris*) CPPFLAGS="$CFLAGS -D_POSIX_PTHREAD_SEMANTICS -D_XPG4_2" ;; *) ;; esac AM_CONDITIONAL([MINGW], [test "$is_mingw" = "yes"]) # backwards support for IRC_CFLAGS CFLAGS="$IRC_CFLAGS $CFLAGS -Wall" dnl use directory structure of cached as default (hack) if test "$libexecdir" = '${exec_prefix}/libexec' && test "$localstatedir" = '${prefix}/var'; then libexecdir='${bindir}' localstatedir='${prefix}' fi AC_TYPE_PID_T AC_TYPE_SIZE_T AC_TYPE_SSIZE_T AC_TYPE_UID_T dnl Checks for header files. AC_HEADER_STDC AC_CHECK_HEADERS([crypt.h unistd.h sys/socket.h sys/stat.h sys/time.h time.h netinet/in.h arpa/inet.h errno.h sys/uio.h spawn.h sys/poll.h sys/epoll.h sys/select.h sys/devpoll.h sys/event.h port.h signal.h sys/signalfd.h sys/timerfd.h linux/tcp.h]) AC_HEADER_TIME dnl Networking Functions dnl ==================== AC_SEARCH_LIBS(socket, [socket],,) AC_CHECK_MEMBER([struct sockaddr.sa_len], [AC_DEFINE(SOCKADDR_IN_HAS_LEN, 1, [Define to 1 if sockaddr has a 'sa_len' member.])],,[[ #ifdef HAVE_SYS_TYPES_H #include #endif #ifdef HAVE_SYS_SOCKET_H #include #endif #ifdef HAVE_WINSOCK2_H #include #endif ]]) AC_CHECK_TYPE([socklen_t], rb_cv_socklen_t=socklen_t,[ AC_MSG_CHECKING([for socklen_t equivalent]) AC_CACHE_VAL([rb_cv_socklen_t], [ # Systems have either "struct sockaddr *" or # "void *" as the second argument to getpeername rb_cv_socklen_t= for arg2 in "struct sockaddr" void; do for t in int size_t unsigned long "unsigned long"; do AC_TRY_COMPILE([ #ifdef HAVE_SYS_TYPES_H #include #endif #ifdef HAVE_SYS_SOCKET_H #include #endif #ifdef HAVE_WINSOCK2_H #include #endif int getpeername (int, $arg2 *, $t *); ],[ $t len; getpeername(0,0,&len); ],[ rb_cv_socklen_t="$t" break ]) done done if test "x$rb_cv_socklen_t" = x; then AC_MSG_WARN([Cannot find a type to use in place of socklen_t using int]) rb_cv_socklen_t=int fi ]) AC_MSG_RESULT($rb_cv_socklen_t)], [#include #include ]) rb_socklen_t=$rb_cv_socklen_t AC_ARG_ENABLE(ipv6,AC_HELP_STRING([--disable-ipv6],[Disable IPv6 support]),[ipv6=$enableval],[ipv6=yes]) if test x$ipv6 != xyes; then have_v6="no" else have_v6=yes RB_PROTO_INET6([], [ AC_MSG_NOTICE([Disabling IPv6 support: PF_INET6 not found]) have_v6=no ]) if test "X$have_v6" = "Xyes"; then RB_TYPE_STRUCT_SOCKADDR_IN6([], [ AC_MSG_NOTICE([Disabling IPv6 support: struct sockaddr_in6 not found]) have_v6=no ]) fi fi AC_CHECK_TYPES([struct sockaddr_storage],[ rb_have_sockaddr_storage=yes ],[], [ #include #include ]) dnl Check for stdarg.h - if we cant find it, halt configure AC_CHECK_HEADER(stdarg.h, , [AC_MSG_ERROR([** stdarg.h could not be found - libratbox will not compile without it **])]) AC_CHECK_TYPE([sa_family_t], [], [AC_DEFINE(sa_family_t, [u_int16_t], [If system does not define sa_family_t, define it here.])], [[#include #include ]]) dnl check for various functions... AC_CHECK_FUNCS([socketpair gettimeofday writev sendmsg gmtime_r strtok_r usleep posix_spawn strlcpy strlcat strnlen fstat signalfd select poll kevent port_create epoll_ctl arc4random getrusage timerfd_create]) AC_SEARCH_LIBS(nanosleep, rt posix4, AC_DEFINE(HAVE_NANOSLEEP, 1, [Define if you have nanosleep])) AC_SEARCH_LIBS(timer_create, rt, AC_DEFINE(HAVE_TIMER_CREATE, 1, [Define if you have timer_create])) RB_CHECK_TIMER_CREATE RB_CHECK_TIMERFD_CREATE AC_FUNC_ALLOCA AC_FUNC_VFORK AC_FUNC_MMAP AC_MSG_CHECKING(for /dev/poll) if test -c "/dev/poll"; then AC_MSG_RESULT(yes) AC_DEFINE(HAVE_DEVPOLL, [1], [Define to 1 if you have devpoll]) else AC_MSG_RESULT(no) fi if test "$is_mingw" = "yes"; then AC_DEFINE(HAVE_WIN32, [1], [Define to 1 if you are on windows]) fi dnl OpenSSL support AC_MSG_CHECKING(for OpenSSL) AC_ARG_ENABLE(openssl, [AC_HELP_STRING([--enable-openssl[=DIR]],[Enable OpenSSL support (DIR optional).]) AC_HELP_STRING([--disable-openssl],[Disable OpenSSL support.])], [cf_enable_openssl=$enableval], [cf_enable_openssl="auto"]) if test "$cf_enable_openssl" != "no" ; then cf_openssl_basedir="" if test "$cf_enable_openssl" != "auto" && test "$cf_enable_openssl" != "yes" ; then dnl Support for --enable-openssl=/some/place cf_openssl_basedir="`echo ${cf_enable_openssl} | sed 's/\/$//'`" else dnl Do the auto-probe here. Check some common directory paths. for dirs in /usr/local/ssl /usr/pkg /usr/local \ /usr/local/openssl ; do if test -f "${dirs}/include/openssl/opensslv.h" ; then cf_openssl_basedir="${dirs}" break fi done unset dirs fi dnl Now check cf_openssl_found to see if we found anything. if test ! -z "$cf_openssl_basedir"; then if test -f "${cf_openssl_basedir}/include/openssl/opensslv.h" ; then SSL_CFLAGS="-I${cf_openssl_basedir}/include" SSL_LIBS="-L${cf_openssl_basedir}/lib" else dnl OpenSSL wasn't found in the directory specified. Naughty dnl administrator... cf_openssl_basedir="" fi else dnl Check for stock FreeBSD 4.x and 5.x systems, since their files dnl are in /usr/include and /usr/lib. In this case, we don't want to dnl change INCLUDES or LIBS, but still want to enable OpenSSL. dnl We can't do this check above, because some people want two versions dnl of OpenSSL installed (stock FreeBSD 4.x/5.x and /usr/local/ssl) dnl and they want /usr/local/ssl to have preference. if test -f "/usr/include/openssl/opensslv.h" ; then cf_openssl_basedir="/usr" fi fi dnl If we have a basedir defined, then everything is okay. Otherwise, dnl we have a problem. if test ! -z "$cf_openssl_basedir"; then AC_MSG_RESULT($cf_openssl_basedir) cf_enable_openssl="yes" else AC_MSG_RESULT([not found. Specify a correct path?]) cf_enable_openssl="no" fi unset cf_openssl_basedir else dnl If --disable-openssl was specified AC_MSG_RESULT(disabled) fi save_CPPFLAGS="$CPPFLAGS" CPPFLAGS="$CPPFLAGS $SSL_CFLAGS" save_LIBS="$LIBS" LIBS="$LIBS $SSL_LIBS" if test "$cf_enable_openssl" != no; then dnl Check OpenSSL version (must be 0.9.7 or above!) AC_MSG_CHECKING(for OpenSSL 0.9.7 or above) AC_RUN_IFELSE( AC_LANG_PROGRAM( [#include #include ], [[if (OPENSSL_VERSION_NUMBER >= 0x00907000) exit(0); else exit(1);]]), cf_enable_openssl=yes, cf_enable_openssl=no, cf_enable_openssl=no) if test "$cf_enable_openssl" != no; then AC_MSG_RESULT(found) else AC_MSG_RESULT(no - OpenSSL support disabled) fi fi if test "$cf_enable_openssl" != no; then CPPFLAGS="$CPPFLAGS $SSL_LIBS" AC_CHECK_LIB(crypto, RAND_status, [cf_enable_openssl=yes], [cf_enable_openssl=no]) fi if test "$cf_enable_openssl" != no; then CPPFLAGS="$CPPFLAGS $SSL_LIBS" AC_CHECK_LIB(ssl, SSL_read, [SSL_LIBS="$SSL_LIBS -lssl -lcrypto"], [cf_enable_openssl=no], [-lcrypto]) fi dnl GnuTLS support AC_MSG_CHECKING(for GnuTLS) AC_ARG_ENABLE(gnutls, [AC_HELP_STRING([--enable-gnutls],[Enable GnuTLS support.]) AC_HELP_STRING([--disable-gnutls],[Disable GnuTLS support.])], [cf_enable_gnutls=$enableval], [cf_enable_gnutls="auto"]) if test "$cf_enable_gnutls" != no; then PKG_CHECK_MODULES(GNUTLS, [gnutls], [ cf_enable_gnutls="yes" ], [cf_enable_gnutls="no"]) fi if test "$cf_enable_gnutls" = "auto" -a "$cf_enable_openssl" = "yes"; then cf_enable_gnutls="no" fi if test x"$cf_enable_openssl" != xno; then AC_DEFINE(HAVE_OPENSSL,1,[Has OpenSSL]) GNUTLS_CFLAGS="" GNUTLS_LIBS="" SSL_TYPE="openssl" elif test x"$cf_enable_gnutls" != xno; then AC_DEFINE(HAVE_GNUTLS, 1, [Has GnuTLS]) SSL_LIBS="" SSL_CFLAGS="" SSL_TYPE="gnutls" fi CPPFLAGS="$save_CPPFLAGS" LIBS="$save_LIBS" dnl End OpenSSL detection dnl Debug-related options dnl ===================== AC_ARG_ENABLE(assert, AC_HELP_STRING([--enable-assert],[Enable assert(). Choose between soft(warnings) and hard(aborts the daemon)]), [assert=$enableval], [assert=no]) if test "$assert" = no; then AC_DEFINE(NDEBUG, 1, [Define this to disable debugging support.]) elif test "$assert" = soft; then AC_DEFINE(SOFT_ASSERT, 1, [Define this to enable soft asserts.]) AC_DEFINE(NDEBUG, 1, [Define this to disable debugging support.]) elif test "$assert" = yes; then assert = "hard"; fi AC_MSG_CHECKING(if you want to do a profile build) AC_ARG_ENABLE(profile, AC_HELP_STRING([--enable-profile],[Enable profiling]), [profile=$enableval], [profile=no]) if test "$profile" = yes; then if test "$ac_cv_c_compiler_gnu" = yes; then CFLAGS="$CFLAGS -pg -static" AC_MSG_RESULT([yes, adding -pg -static]) AC_DEFINE(RATBOX_PROFILE, 1, [Defined to mark profiling is enabled]) else AC_MSG_RESULT([no, profile builds only work with gcc]) fi else AC_MSG_RESULT(no) fi AC_ARG_ENABLE(balloc, AC_HELP_STRING([--disable-balloc],[Disable the block allocator.]), [balloc=$enableval], [balloc=yes]) if test "$balloc" = no; then AC_DEFINE([NOBALLOC], 1, [Define to 1 if you wish to disable the block allocator.]) fi AC_ARG_ENABLE(warnings, AC_HELP_STRING([--enable-warnings],[Enable all sorts of warnings for debugging.]), [CFLAGS="$CFLAGS -Wall -Werror -Wcast-qual -Wmissing-declarations -Wmissing-prototypes -Wnested-externs -Wshadow -Wwrite-strings -W -Wno-unused -Wunused-function -Wunused-variable"],[]) AC_SUBST(LDFLAGS) AC_SUBST(PICFLAGS) AC_SUBST(CFLAGS) AC_SUBST(SEDOBJ) AC_SUBST(SSL_CFLAGS) AC_SUBST(SSL_LIBS) AC_SUBST(GNUTLS_CFLAGS) AC_SUBST(GNUTLS_LIBS) if test "$prefix" = "NONE"; then AC_DEFINE_UNQUOTED(RB_PREFIX, "$ac_default_prefix", [Prefix where libratbox is installed.]) else dnl Don't get bitten by Cygwin's stupidity if the user specified dnl a custom prefix with a trailing slash prefix=`echo $prefix | sed 's/\/$//'` AC_DEFINE_UNQUOTED(RB_PREFIX, "$prefix", [Prefix where libratbox is installed.]) fi AC_SUBST(RB_PREFIX) AC_CONFIG_COMMANDS([include/librb-config.h], [ outfile=include/librb-config.h.tmp cat > $outfile <<\_______EOF /* * librb-config.h: libratbox config file. Please modify configure.ac */ #ifndef __LIBRB_CONFIG_H #define __LIBRB_CONFIG_H _______EOF if test "x$rb_have_ipv6" = "xyes"; then echo "#define RB_IPV6 1" >> $outfile fi if test "x$rb_windows_h" = "xyes"; then echo '#define WIN32_LEAN_AND_MEAN 1' >> $outfile echo '#include ' >> $outfile echo '#include ' >> $outfile echo '#include ' >> $outfile fi if test "x$rb_alloca_h" = "xyes"; then echo '#define RB_HAVE_ALLOCA_H 1' >> $outfile fi if test "x$rb_header_stdc" = "xyes"; then echo '#include ' >> $outfile echo '#include ' >> $outfile elif test "x$rb_header_stdlib" = "xyes"; then echo '#include ' >> $outfile fi if test "x$rb_header_string_h" = "xyes"; then echo '#include ' >> $outfile fi if test "x$rb_stdint_h" = "xyes"; then echo '#include ' >> $outfile fi if test "x$rb_inttypes_h" = "xyes"; then echo '#include ' >> $outfile fi if test "x$rb_sys_types_h" = "xyes"; then echo '#include ' >> $outfile fi if test "x$rb_sys_time_h" = "xyes"; then echo '#include ' >> $outfile fi if test "x$rb_sys_stat_h" = "xyes"; then echo '#include ' >> $outfile fi if test "x$rb_time_h" = "xyes"; then echo '#include ' >> $outfile fi if test "x$rb_sys_socket_h" = "xyes"; then echo '#include ' >> $outfile fi if test "x$rb_netinet_in_h" = "xyes"; then echo '#include ' >> $outfile fi if test "x$rb_arpa_inet_h" = "xyes"; then echo '#include ' >> $outfile fi if test "x$rb_unistd_h" = "xyes"; then echo '#include ' >> $outfile fi if test "x$rb_crypt_h" = "xyes"; then echo '#include ' >> $outfile fi if test "x$rb_errno_h" = "xyes"; then echo '#include ' >> $outfile fi echo "typedef $rb_socklen_t rb_socklen_t;" >> $outfile if test "x$rb_sockaddr_sa_len" = "xyes"; then echo '#define RB_SOCKADDR_HAS_SA_LEN 1' >> $outfile fi if test "x$rb_sockaddr_storage" = "xyes"; then echo '#define rb_sockaddr_storage sockaddr_storage' >> $outfile else echo 'struct rb_sockaddr_storage { uint8_t _padding[[128]]; };' >> $outfile fi cat >> $outfile <<\_______EOF #endif /* __LIBRB_CONFIG_H */ _______EOF if cmp -s $outfile include/librb-config.h; then AC_MSG_NOTICE([include/librb-config.h is unchanged]) ${rb_rm} -f $outfile else ${rb_mv} $outfile include/librb-config.h fi ],[ if test x$ac_cv_header_stdc = xyes; then rb_header_stdc=yes fi if test x$ac_cv_header_stdlib_h = xyes; then rb_header_stdlib_h=yes fi if test x$ac_cv_header_string_h = xyes; then rb_header_string_h=yes fi if test x$ac_cv_header_memory_h = xyes; then rb_header_memory_h=yes fi if test "x${ac_cv_working_alloca_h+set}" = xset ; then rb_alloca_h="$ac_cv_working_alloca_h" else rb_alloc_h="$ac_cv_header_alloca_h" fi if test x$ac_cv_member_struct_sockaddr_sa_len = xyes; then rb_sockaddr_sa_len=yes fi if test x$ac_cv_header_sys_socket_h = xyes; then rb_sys_socket_h=yes fi if test x$ac_cv_header_sys_types_h = xyes; then rb_sys_types_h=yes fi if test x$ac_cv_header_sys_stat_h = xyes; then rb_sys_stat_h=yes fi if test x$ac_cv_header_sys_time_h = xyes; then rb_sys_time_h=yes fi if test x$ac_cv_header_time = xyes; then rb_time_h=yes fi if test x$ac_cv_header_stdint_h = xyes; then rb_stdint_h=yes fi if test x$ac_cv_header_inttypes_h = xyes; then rb_inttypes_h=yes fi if test x$ac_cv_header_netinet_in_h = xyes; then rb_netinet_in_h=yes fi if test x$ac_cv_header_crypt_h = xyes; then rb_crypt_h=yes fi if test x$ac_cv_header_errno_h = xyes; then rb_errno_h=yes fi if test x$ac_cv_header_unistd_h = xyes; then rb_unistd_h=yes fi if test x$ac_cv_header_windows_h = xyes; then rb_windows_h=yes fi if test x$ac_cv_header_winsock2_h = xyes; then rb_winsock2_h=yes fi rb_socklen_t=$rb_socklen_t if test "x$rb_have_sockaddr_storage" = "xyes"; then rb_sockaddr_storage="yes" else rb_sockaddr_storage="no" fi rb_have_ipv6="$have_v6" rb_mv="$MV" rb_rm="$RM" ] ) AC_CONFIG_FILES( \ src/Makefile \ Makefile \ libratbox.pc ) AC_OUTPUT dnl Make it look sexay! echo echo "Compiling $PACKAGE_NAME $PACKAGE_VERSION" echo echo "Installing into: $prefix" echo "IPv6 support ................... $have_v6" echo "Assert debugging ............... $assert" echo "Block allocator ................ $balloc" echo "SSL Type........................ $SSL_TYPE" echo