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configure.ac
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configure.ac
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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_INIT([librb],[devel])
AM_INIT_AUTOMAKE([subdir-objects])
AM_SILENT_RULES([yes])
AM_CONFIG_HEADER(include/librb_config.h)
AC_PREFIX_DEFAULT(/usr/local/librb)
AC_GNU_SOURCE
dnl Checks for programs.
AC_PROG_CC_C99
if test x"$ac_cv_prog_cc_c99" = "xno"; then
AC_ERROR([charybdis requires a C99 capable compiler])
fi
AC_PROG_INSTALL
AC_PROG_EGREP
AC_PROG_SED
F77=no
CXX=no
GCJ=no
AM_DISABLE_STATIC
AM_ENABLE_SHARED
AM_MAINTAINER_MODE
AC_ISC_POSIX
AC_C_INLINE
AC_C_CONST
AC_C_BIGENDIAN
AC_PROG_MAKE_SET
AC_PROG_INSTALL
AC_PATH_PROG(AUTOMAKE, automake)
AC_PATH_PROG(ACLOCAL, aclocal)
AC_PATH_PROG(AUTOHEADER, autoheader)
AC_PATH_PROG(AS, as)
AC_PATH_PROG(RM, rm)
AC_PATH_PROG(CP, cp)
AC_PATH_PROG(MV, mv)
AC_PATH_PROG(LN, ln)
AC_PATH_PROG(TOUCH, touch)
AC_LANG(C)
AC_PROG_LIBTOOL
LIBTOOL="$LIBTOOL --silent"
case "$host_os" in
*cygwin*)
AC_DEFINE_UNQUOTED(CYGWIN,1,[This is a Cygwin system])
AC_DEFINE_UNQUOTED(WINDOWS,1,[This is a Windows system])
;;
*mingw* | *msys*)
AC_DEFINE_UNQUOTED(MINGW,1,[This is a MinGW system])
AC_DEFINE_UNQUOTED(WINDOWS,1,[This is a Windows system])
AC_CHECK_HEADER(windows.h, , [AC_MSG_ERROR([** MinGW and no windows.h. I give up.])])
AC_CHECK_HEADER(winsock2.h, , [AC_MSG_ERROR([** MinGW and no winsock2.h. I give up.])])
AC_DEFINE_UNQUOTED(HAVE_WINSOCK2_H, 1, [Have WINSOCK2_H])
AC_DEFINE_UNQUOTED(HAVE_WINSOCK_H, 1, [Have WINSOCK_H])
LIBS="$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 netinet/tcp.h netinet/sctp.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])
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 <sys/types.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#ifdef HAVE_WINSOCK2_H
#include <winsock2.h>
#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 <sys/types.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#ifdef HAVE_WINSOCK2_H
#include <winsock2.h>
#include <ws2tcpip.h>
#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 <sys/types.h>
#include <sys/socket.h>])
rb_socklen_t=$rb_cv_socklen_t
AC_CHECK_TYPES([struct sockaddr_storage],[
rb_have_sockaddr_storage=yes
],[], [
#include <sys/types.h>
#include <sys/socket.h>
])
dnl Check for stdarg.h - if we cant find it, halt configure
AC_CHECK_HEADER(stdarg.h, , [AC_MSG_ERROR([** stdarg.h could not be found - librb will not compile without it **])])
AC_CHECK_TYPE([sa_family_t], [],
[AC_DEFINE(sa_family_t, [u_int16_t], [If system does not define sa_family_t, define it here.])],
[[#include <sys/types.h>
#include <sys/socket.h>]])
dnl check for various functions...
AC_CHECK_FUNCS([snprintf vsnprintf socketpair gettimeofday writev sendmsg gmtime_r strtok_r usleep posix_spawn getexecname strlcpy strlcat strnlen strcasestr strcasecmp strncasecmp fstat signalfd select poll kevent port_create epoll_ctl arc4random getrusage timerfd_create])
AC_SEARCH_LIBS(dlinfo, dl, AC_DEFINE(HAVE_DLINFO, 1, [Define if you have dlinfo]))
AC_SEARCH_LIBS(nanosleep, rt posix4, AC_DEFINE(HAVE_NANOSLEEP, 1, [Define if you have nanosleep]))
AC_SEARCH_LIBS(timer_create, rt, AC_DEFINE(HAVE_TIMER_CREATE, 1, [Define if you have timer_create]))
RB_CHECK_TIMER_CREATE
RB_CHECK_TIMERFD_CREATE
AC_FUNC_ALLOCA
AC_FUNC_VFORK
AC_FUNC_MMAP
AC_MSG_CHECKING(for /dev/poll)
if test -c "/dev/poll"; then
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_DEVPOLL, [1], [Define to 1 if you have devpoll])
else
AC_MSG_RESULT(no)
fi
if test "$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 <openssl/opensslv.h>
#include <stdlib.h>],
[[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 mbedTLS support
AC_ARG_ENABLE(mbedtls,
[AC_HELP_STRING([--enable-mbedtls], [Enable mbedTLS support.])
AC_HELP_STRING([--disable-mbedtls], [Disable mbedTLS support.])],
[cf_enable_mbedtls=$enableval],
[cf_enable_mbedtls="auto"])
if test "$cf_enable_mbedtls" != no; then
save_CPPFLAGS="$CPPFLAGS"
save_LIBS="$LIBS"
LIBS="$LIBS $MBEDTLS_LIBS"
AC_CHECK_LIB(mbedtls, mbedtls_ssl_init, [
MBEDTLS_LIBS="$MBEDTLS_LIBS -lmbedtls -lmbedx509 -lmbedcrypto"
cf_enable_mbedtls=yes
], [cf_enable_mbedtls=no], [-lmbedx509 -lmbedcrypto])
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
dnl mbed TLS is given highest preference when no specified TLS library is provided
if test "$cf_enable_openssl" = "auto" -a "$cf_enable_mbedtls" = "yes"; then
cf_enable_openssl="no"
fi
if test "$cf_enable_gnutls" = "auto" -a "$cf_enable_openssl" = "yes" -a "$cf_enable_mbedtls" = "yes"; then
cf_enable_gnutls="no"
fi
if test x"$cf_enable_openssl" != xno; then
AC_DEFINE(HAVE_OPENSSL,1,[Has OpenSSL])
GNUTLS_CFLAGS=""
GNUTLS_LIBS=""
MBEDTLS_LIBS=""
MBEDTLS_CFLAGS=""
SSL_TYPE="openssl"
elif test x"$cf_enable_mbedtls" != xno; then
AC_DEFINE(HAVE_MBEDTLS, 1, [Has mbedTLS])
SSL_LIBS=""
SSL_CFLAGS=""
GNUTLS_CFLAGS=""
GNUTLS_LIBS=""
SSL_TYPE="mbedtls"
elif test x"$cf_enable_gnutls" != xno; then
AC_DEFINE(HAVE_GNUTLS, 1, [Has GnuTLS])
SSL_LIBS=""
SSL_CFLAGS=""
MBEDTLS_LIBS=""
MBEDTLS_CFLAGS=""
SSL_TYPE="gnutls"
fi
CPPFLAGS="$save_CPPFLAGS"
LIBS="$save_LIBS"
dnl End OpenSSL detection
AC_ARG_WITH(sctp-path,
AC_HELP_STRING([--with-sctp-path=DIR],[Path to libsctp.so for SCTP support.]),
[LIBS="$LIBS -L$withval"],)
AC_ARG_ENABLE(sctp,
AC_HELP_STRING([--disable-sctp],[Disable SCTP support]),
[sctp=$enableval],[sctp=yes])
if test "$sctp" = yes; then
AC_CHECK_HEADER(netinet/sctp.h, [
AC_CHECK_LIB(sctp, sctp_bindx,
[
AC_SUBST(LIBSCTP_LD, -lsctp)
AC_DEFINE(HAVE_LIBSCTP, 1, [Define to 1 if libsctp (-lsctp) is available.])
], sctp=no)
], sctp=no)
fi
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(RB_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(warnings,
AC_HELP_STRING([--enable-warnings],[Enable all sorts of warnings for debugging.]),
[CFLAGS="$CFLAGS -Wall -Werror -Wcast-qual -Wmissing-declarations -Wmissing-prototypes -Wnested-externs -Wshadow -Wwrite-strings -W -Wno-unused -Wunused-function -Wunused-variable -Wno-unused-parameter"],[])
AC_SUBST(LDFLAGS)
AC_SUBST(PICFLAGS)
AC_SUBST(CFLAGS)
AC_SUBST(SEDOBJ)
AC_SUBST(SSL_CFLAGS)
AC_SUBST(SSL_LIBS)
AC_SUBST(GNUTLS_CFLAGS)
AC_SUBST(GNUTLS_LIBS)
AC_SUBST(MBEDTLS_CFLAGS)
AC_SUBST(MBEDTLS_LIBS)
if test "$prefix" = "NONE"; then
AC_DEFINE_UNQUOTED(RB_PREFIX, "$ac_default_prefix", [Prefix where librb 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 librb is installed.])
fi
AC_SUBST(RB_PREFIX)
AC_CONFIG_COMMANDS([include/librb-config.h],
[
outfile=include/librb-config.h.tmp
cat > $outfile <<\_______EOF
/*
* librb-config.h: librb config file. Please modify configure.ac
*/
#ifndef __LIBRB_CONFIG_H
#define __LIBRB_CONFIG_H
_______EOF
if test "x$rb_windows_h" = "xyes"; then
echo '#define WIN32_LEAN_AND_MEAN 1' >> $outfile
echo '#include <windows.h>' >> $outfile
echo '#include <winsock2.h>' >> $outfile
echo '#include <ws2tcpip.h>' >> $outfile
echo '#include <iphlpapi.h>' >> $outfile
fi
if test "x$rb_alloca_h" = "xyes"; then
echo '#define RB_HAVE_ALLOCA_H 1' >> $outfile
fi
if test "x$rb_header_stdc" = "xyes"; then
echo '#include <stdlib.h>' >> $outfile
echo '#include <stddef.h>' >> $outfile
elif test "x$rb_header_stdlib" = "xyes"; then
echo '#include <stdlib.h>' >> $outfile
fi
if test "x$rb_header_string_h" = "xyes"; then
echo '#include <string.h>' >> $outfile
fi
if test "x$rb_stdint_h" = "xyes"; then
echo '#include <stdint.h>' >> $outfile
fi
if test "x$rb_inttypes_h" = "xyes"; then
echo '#include <inttypes.h>' >> $outfile
fi
if test "x$rb_sys_types_h" = "xyes"; then
echo '#include <sys/types.h>' >> $outfile
fi
if test "x$rb_sys_time_h" = "xyes"; then
echo '#include <sys/time.h>' >> $outfile
fi
if test "x$rb_sys_stat_h" = "xyes"; then
echo '#include <sys/stat.h>' >> $outfile
fi
if test "x$rb_time_h" = "xyes"; then
echo '#include <time.h>' >> $outfile
fi
if test "x$rb_sys_socket_h" = "xyes"; then
echo '#include <sys/socket.h>' >> $outfile
fi
if test "x$rb_netinet_in_h" = "xyes"; then
echo '#include <netinet/in.h>' >> $outfile
fi
if test "x$rb_netinet_tcp_h" == "xyes"; then
echo '#include <netinet/tcp.h>' >> $outfile
fi
if test "x$rb_netinet_sctp_h" == "xyes"; then
echo '#include <netinet/sctp.h>' >> $outfile
fi
if test "x$rb_arpa_inet_h" = "xyes"; then
echo '#include <arpa/inet.h>' >> $outfile
fi
if test "x$rb_unistd_h" = "xyes"; then
echo '#include <unistd.h>' >> $outfile
fi
if test "x$rb_crypt_h" = "xyes"; then
echo '#include <crypt.h>' >> $outfile
fi
if test "x$rb_errno_h" = "xyes"; then
echo '#include <errno.h>' >> $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_netinet_tcp_h = xyes; then
rb_netinet_tcp_h=yes
fi
if test x$ac_cv_header_netinet_sctp_h = xyes; then
rb_netinet_sctp_h=yes
fi
if test x$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_mv="$MV"
rb_rm="$RM"
]
)
AC_CONFIG_FILES( \
src/Makefile \
Makefile \
librb.pc
)
AC_OUTPUT
dnl Make it look sexay!
echo
echo "Compiling $PACKAGE_NAME $PACKAGE_VERSION"
echo
echo "Installing into: $prefix"
echo "Assert debugging ............... $assert"
echo "SSL Type........................ $SSL_TYPE"
echo "SCTP............................ $sctp"
echo