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dnl Process this file with autoconf to produce a configure script.
AC_INIT(pgbouncer, 1.7dev)
AC_CONFIG_SRCDIR(src/janitor.c)
AC_CONFIG_HEADER(lib/usual/config.h)
AC_PREREQ([2.59])
dnl basic init
AC_USUAL_INIT
dnl Checks for programs.
AC_USUAL_PROGRAM_CHECK
PKG_PROG_PKG_CONFIG
dnl check for rst2man
AC_CHECK_PROGS(RST2MAN, rst2man)
dnl check for windows tools
if test "$PORTNAME" = "win32"; then
AC_CHECK_TOOL([WINDRES], [windres])
AC_CHECK_TOOL([DLLWRAP], [dllwrap])
AC_CHECK_TOOL([DLLTOOL], [dlltool])
fi
AC_CHECK_TOOL([STRIP], [strip])
dnl Checks for header files.
AC_USUAL_HEADER_CHECK
AC_CHECK_HEADERS([sys/resource.h sys/wait.h])
dnl Checks for typedefs, structures, and compiler characteristics.
AC_USUAL_TYPE_CHECK
dnl autoconf 2.59 does not have UINT macros nor docdir
m4_ifdef([AC_TYPE_UINT8_T], [
AC_TYPE_UINT8_T
AC_TYPE_UINT32_T
AC_TYPE_UINT64_T
], [
datarootdir='${prefix}/share'
docdir='${datarootdir}/doc/${PACKAGE_TARNAME}'
AC_SUBST(datarootdir)
AC_SUBST(docdir)
])
dnl Checks for library functions.
AC_USUAL_FUNCTION_CHECK
AC_SEARCH_LIBS(clock_gettime, rt)
AC_SEARCH_LIBS(getsockname, socket)
AC_SEARCH_LIBS(gethostbyname, nsl)
AC_SEARCH_LIBS(hstrerror, resolv)
AC_CHECK_FUNCS(lstat)
dnl Find libevent
AC_USUAL_LIBEVENT
##
## DNS backend
##
# make sure all vars are set
use_cares=auto
use_udns=no
use_evdns=no
dnl Find c-ares
AC_MSG_CHECKING([whether to use c-ares for DNS lookups])
AC_ARG_WITH(cares,
AC_HELP_STRING([--with-cares=prefix],[Specify where c-ares is installed]),
[ if test "$withval" = "no"; then
use_cares=no
elif test "$withval" = "yes"; then
use_cares=yes
else
use_cares=yes
CARES_CFLAGS="-I$withval/include"
CARES_LIBS="-L$withval/lib -lcares"
fi
], [])
AC_MSG_RESULT([$use_cares])
if test "$use_cares" = "auto"; then
PKG_CHECK_MODULES(CARES, [libcares >= 1.6.0], [use_cares=yes], [use_cares=no])
fi
if test "$use_cares" = "yes"; then
AC_DEFINE(USE_CARES, 1, [Use c-ares for name resolution.])
# does it support SOA parse
tmp_CFLAGS="$CFLAGS"
tmp_LIBS="$LIBS"
CFLAGS="$CARES_CFLAGS $CFLAGS"
LIBS="$CARES_LIBS $LIBS"
AC_CHECK_FUNCS(ares_parse_soa_reply)
LIBS="$tmp_LIBS"
CFLAGS="$tmp_CFLAGS"
else
dnl Find libudns
AC_MSG_CHECKING([whether to use libudns])
AC_ARG_WITH(udns,
AC_HELP_STRING([--with-udns=prefix],[Specify where udns is installed]),
[ if test "$withval" = "no"; then
use_udns=no
elif test "$withval" = "yes"; then
use_udns=yes
else
use_udns=yes
CPPFLAGS="$CPPFLAGS -I$withval/include"
LDFLAGS="$LDFLAGS -L$withval/lib"
fi
], [])
AC_MSG_RESULT([$use_udns])
if test "$use_udns" = "yes"; then
AC_DEFINE(USE_UDNS, 1, [Use UDNS for name resolution.])
LIBS="-ludns $LIBS"
AC_MSG_CHECKING([whether libudns is available])
AC_LINK_IFELSE([AC_LANG_SOURCE([
#include <sys/types.h>
#include <sys/time.h>
#include <stddef.h>
#include <udns.h>
int main(void) {
struct dns_ctx *ctx = NULL;
dns_init(ctx, 0);
dns_reset(ctx);
} ])],
[AC_MSG_RESULT([found])],
[AC_MSG_ERROR([not found, cannot proceed])])
else # !udns
dnl On libevent 2.x use evdns by default
if test "$ac_cv_func_evdns_base_new" = "yes"; then
use_evdns=yes
fi
dnl Allow user to override the decision
AC_ARG_ENABLE(evdns, AC_HELP_STRING([--enable-evdns],[Use libevent for DNS lookups (default on libevent 2.x)]),
[use_evdns=$enableval])
AC_MSG_CHECKING([whether to use libevent for DNS lookups])
if test "$use_evdns" = "yes"; then
AC_DEFINE(USE_EVDNS, 1, [Use libevent for DNS lookups.])
AC_MSG_RESULT([yes])
else
AC_MSG_RESULT([no])
fi
dnl Check if need getaddinfo_a compat
if test "$use_udns.$use_cares.$use_evdns" = "no.no.no"; then
AC_USUAL_GETADDRINFO_A
fi
fi # !udns
fi # !cares
## end of DNS
AC_USUAL_TLS
AC_USUAL_DEBUG
AC_USUAL_CASSERT
AC_USUAL_WERROR
dnl Output findings
AC_OUTPUT([config.mak])
dnl If separate build dir, link Makefile over
test -f Makefile || {
echo "Linking Makefile"
ln -s $srcdir/Makefile
}
echo ""
echo "Results"
echo " c-ares = $use_cares"
echo " evdns = $use_evdns"
echo " udns = $use_udns"
echo " tls = $tls_support"
echo ""
|
