freeswitch/configure.in

#                                               -*- Autoconf -*-
# Process this file with autoconf to produce a configure script.

# Must change all of the below together
# For a release, set revision for that tagged release as well and uncomment
AC_INIT([freeswitch], [1.0.trunk], BUG-REPORT-ADDRESS)
AC_SUBST(SWITCH_VERSION_MAJOR, [1])
AC_SUBST(SWITCH_VERSION_MINOR, [0])
AC_SUBST(SWITCH_VERSION_MICRO, [trunk])
#AC_SUBST(SWITCH_VERSION_REVISION, [svn-revision-here])

AC_CONFIG_FILES([src/include/switch_version.h.in:src/include/switch_version.h.template])

AC_CONFIG_AUX_DIR(build/config)
AM_INIT_AUTOMAKE(libfreeswitch,0.1)
AC_CONFIG_SRCDIR([src/switch.c])
AC_CONFIG_HEADER([src/include/switch_private.h])
AC_CONFIG_HEADER([libs/xmlrpc-c/xmlrpc_amconfig.h])

AC_PREFIX_DEFAULT(/usr/local/freeswitch)
# AC_PREFIX_DEFAULT does not get expanded until too late so we need to do this to use prefix in this script
if test "x$prefix" = "xNONE" ; then
    prefix='/usr/local/freeswitch'
fi

AC_CANONICAL_HOST

# Absolute source/build directory
switch_srcdir=`(cd $srcdir && pwd)`
switch_builddir=`pwd`
AC_SUBST(switch_srcdir)
AC_SUBST(switch_builddir)

# Where to install the modules
AC_ARG_WITH([modinstdir],
	[AS_HELP_STRING([--with-modinstdir=DIR], [Install modules into this location (default: $prefix/mod)])], [modinstdir="$withval"], [modinstdir="${prefix}/mod"])

AC_SUBST(modinstdir)
AC_DEFINE_UNQUOTED([SWITCH_MOD_DIR],"${modinstdir}",[where to install the modules to])

# Where to put pidfile
AC_ARG_WITH([rundir],
	[AS_HELP_STRING([--with-rundir=DIR], [Put pidfile into this location (default: $prefix/log)])], [rundir="$withval"], [rundir="${prefix}/log"])

AC_SUBST(rundir)
AC_DEFINE_UNQUOTED([SWITCH_RUN_DIR],"${rundir}",[where to put pidfile to])

if test "$sysconfdir" = "\${prefix}/etc" ; then
    confdir="$prefix/conf"
else
    confdir="$sysconfdir"
fi

AC_SUBST(confdir)
AC_DEFINE_UNQUOTED([SWITCH_CONF_DIR],"${confdir}",[directory for configuration files])

#Set default language
AC_LANG_C
# Checks for programs.
AC_PROG_CC
AC_PROG_CXX

#check if the g++ compiler works
AC_CACHE_CHECK([whether the C++ compiler works], [ac_cv_sys_cxx_works], [
    AC_LANG_PUSH([C++])
    AC_COMPILE_IFELSE([int main() { }], [ac_cv_sys_cxx_works=yes],
        [ac_cv_sys_cxx_works=no])
    AC_LANG_POP([C++])
    ])
[ if [ "x$ac_cv_sys_cxx_works" = "xno" ]; then ]
    AC_MSG_FAILURE([The C++ compiler does not work. Please (re)install the C++ compiler])
[ fi ]

AC_PROG_AWK
AC_PROG_MAKE_SET
AC_PROG_INSTALL

#override some default libtool behavior and invoke AC_PROG_LIBTOOL (see http://lists.gnu.org/archive/html/libtool/2007-03/msg00000.html)
m4_defun([_LT_AC_LANG_F77_CONFIG], [:])
m4_defun([_LT_AC_LANG_GCJ_CONFIG], [:])
m4_defun([_LT_AC_LANG_RC_CONFIG], [:])
AM_PROG_CC_C_O
AC_PROG_LIBTOOL

#Check for compiler vendor
AX_COMPILER_VENDOR

#  Optimize
AC_ARG_ENABLE(optimization,
[AC_HELP_STRING([--enable-optimization],[Set if you want us to add max optimising compiler flags])],[enable_optimizer="$enableval"],[enable_optimizer="no"])

if test "${enable_optimizer}" = "yes" ; then
        AC_DEFINE([OPTIMZER],[],[Enable Optimization.])
        AX_CC_MAXOPT
fi

# set defaults for use on all platforms
SWITCH_AM_CFLAGS="-I${switch_srcdir}/src/include -I${switch_builddir}/src/include -I${switch_srcdir}/libs/libteletone/src"
SWITCH_AM_CXXFLAGS="-I${switch_srcdir}/src/include -I${switch_builddir}/src/include -I${switch_srcdir}/libs/libteletone/src"
SWITCH_AM_LDFLAGS="-lm"

#set SOLINK variable based on compiler and host
if test "x${ax_cv_c_compiler_vendor}"  =  "xsun" ; then
    SOLINK="-Bdynamic -dy -G"
elif test "x${ax_cv_c_compiler_vendor}" = "xgnu" ; then
    case "$host" in
        *darwin*)
            SOLINK="-dynamic -bundle -force-flat-namespace"
        ;;
        *-solaris2*)
            SOLINK="-shared -Xlinker"
        ;;
        *)
            SOLINK="-shared -Xlinker -x"
        ;;
    esac
else
    AC_ERROR([Please update configure.in with SOLINK values for your compiler])
fi

# set DYNAMIC_LIB_EXTEN
# we should really be using libtool so we don't need to do this
case "$host" in
    *cygwin* | *mingw*)
        DYNAMIC_LIB_EXTEN="dll"
    ;;
    *)
        DYNAMIC_LIB_EXTEN="so"
    ;;
esac

##
# detect libtool major version,
# set libtool library extension based on this
# to work around some brokeness when using 'la' with libtool-1.5
#
AC_MSG_CHECKING([libtool major version])
libtool="${switch_builddir}/libtool"
LIBTOOL_MAJOR_VERSION="`$libtool --version 2>/dev/null| sed -e 's/([[^)]]*)//g;s/^[[^0-9]]*//;s/[[- ]].*//g;q'| awk  'BEGIN { FS = "." } { print $1 }' `"
if test -z "$LIBTOOL_MAJOR_VERSION" ; then
	LIBTOOL_MAJOR_VERSION="`sed -n -e '/^VERSION/{s/^.*=\"\{0,1\}\([[0-9]]\{1,\}\)\..*/\1/;p;}' ${switch_srcdir}/build/config/ltmain.sh`"
fi
if test -z "$LIBTOOL_MAJOR_VERSION" ; then
	AC_MSG_ERROR([Failed to detect your libtool version, please open a bug report on http://jira.freeswitch.org/])
fi
AC_MSG_RESULT([${LIBTOOL_MAJOR_VERSION}])

LIBTOOL_LIB_EXTEN="$DYNAMIC_LIB_EXTEN"

if test "${LIBTOOL_MAJOR_VERSION}" = "2" ; then
   LIBTOOL_LIB_EXTEN="la"
fi
AC_MSG_RESULT([using libtool library extension... ${LIBTOOL_LIB_EXTEN}])


#  Enable 64 bit build
AC_ARG_ENABLE(64,
[AC_HELP_STRING([--enable-64],[build with 64 bit support])],[enable_64="$enable_64"],[enable_64="no"])

# tweak compiler specific flags
if test "x${ax_cv_c_compiler_vendor}"  =  "xsun" ; then
    APR_ADDTO(SWITCH_AM_CFLAGS, -KPIC)
    APR_ADDTO(SWITCH_AM_CFLAGS, -DPIC)
    APR_ADDTO(SWITCH_AM_CFLAGS, -erroff=E_END_OF_LOOP_CODE_NOT_REACHED)
    APR_ADDTO(SWITCH_AM_CFLAGS, -errtags=yes)
    APR_ADDTO(SWITCH_AM_CXXFLAGS, -errtags=yes)
    APR_ADDTO(SWITCH_AM_CXXFLAGS, -KPIC)
    APR_ADDTO(SWITCH_AM_CXXFLAGS, -DPIC)
    APR_ADDTO(SWITCH_AM_CXXFLAGS, "-features=extensions")

    APR_ADDTO(SWITCH_AM_LDFLAGS, -R${prefix}/lib)
    if test "${enable_64}" = "yes"; then
        APR_ADDTO(SWITCH_AM_CFLAGS, -m64)
        APR_ADDTO(SWITCH_AM_CXXFLAGS, -m64)
        APR_ADDTO(SWITCH_AM_LDFLAGS, -m64)
	LIBS="$LIBS -m64"
    fi
elif test "x${ax_cv_c_compiler_vendor}" = "xgnu" ; then
    APR_ADDTO(SWITCH_AM_CFLAGS, -fPIC)
    APR_ADDTO(SWITCH_AM_CXXFLAGS, -fPIC)
    APR_ADDTO(SWITCH_AM_CFLAGS, -Werror)
    if test "${enable_64}" = "yes"; then
	LIBS="$LIBS -m64"
    fi
fi

#
# gcc visibility cflag checks
#
AC_ARG_ENABLE([visibility],
	[AS_HELP_STRING([--disable-visibility], [Disable or enable API visibility support (default: use if available)])],
	[enable_visibility="${enableval}"],
	[enable_visibility="detect"]
)
HAVE_VISIBILITY="no"

if test "x${enable_visibility}" != "xno" ; then

	case "${ax_cv_c_compiler_vendor}" in
	gnu)
		save_CFLAGS="${CFLAGS}"
		CFLAGS="${CFLAGS} -fvisibility=hidden"
		AC_MSG_CHECKING([whether the compiler supports -fvisibility=hidden])
		AC_COMPILE_IFELSE(
			[AC_LANG_PROGRAM(
				[int foo __attribute__ ((visibility("default")));],
				[;]
			)],

			[AC_MSG_RESULT([yes])
			 APR_ADDTO([SWITCH_AM_CFLAGS],   [-fvisibility=hidden -DSWITCH_API_VISIBILITY=1 -DHAVE_VISIBILITY=1])
			 APR_ADDTO([SWITCH_AM_CXXFLAGS], [-fvisibility=hidden -DSWITCH_API_VISIBILITY=1 -DHAVE_VISIBILITY=1])
			 HAVE_VISIBILITY="yes"],

			[AC_MSG_RESULT([no])]
		)
		CFLAGS="${save_CFLAGS}"
		;;

	sun)
	#	save_CFLAGS="${CFLAGS}"
	#	CFLAGS="${CFLAGS} -xldscope=hidden"
	#	AC_MSG_CHECKING([whether the compiler supports -xldscope=hidden])
	#	AC_COMPILE_IFELSE(
	#		[AC_LANG_PROGRAM(
	#			[int foo __attribute__ ((visibility("default")));],
	#			[;]
	#		)],
	#
	#		[AC_MSG_RESULT([yes])
	#		 APR_ADDTO([SWITCH_AM_CFLAGS],   [-xldscope=hidden -DSWITCH_API_VISIBILITY=1 -DHAVE_VISIBILITY=1])
	#		 APR_ADDTO([SWITCH_AM_CXXFLAGS], [-xldscope=hidden -DSWITCH_API_VISIBILITY=1 -DHAVE_VISIBILITY=1])
	#		 HAVE_VISIBILITY="yes"],
	#
	#		[AC_MSG_RESULT([no])]
	#	)
	#	CFLAGS="${save_CFLAGS}"
		;;

	*)
		if test "x${enable_visibility}" = "xyes" ; then
			AC_MSG_ERROR([Non-GNU / SUN compilers are currently unsupported])
		else
			AC_MSG_WARN([Non-GNU / SUN compilers are currently unsupported])
		fi
		;;
	esac

	#
	# visibility explicitly requested but not supported by this compiler => error
	#
	if test "x${enable_visibility}" = "xyes" -a "x${HAVE_VISIBILITY}" = "xno" ; then
		AC_MSG_ERROR([API visibility not supported by this compiler])
	fi
fi

# Enable debugging (default: on)
# (rename option if the default is changed)
AC_ARG_ENABLE(debug,
[AC_HELP_STRING([--disable-debug],[build without debug information])],[enable_debug="$enableval"],[enable_debug="yes"])

if test "${enable_debug}" = "yes"; then
        AC_DEFINE([DEBUG],[],[Enable extra debugging.])
	saved_CFLAGS=$CFLAGS
        AX_CFLAGS_WARN_ALL_ANSI
	APR_ADDTO(SWITCH_AM_CFLAGS, $CFLAGS)
	CFLAGS=$saved_CFLAGS	

	if test "x${ax_cv_c_compiler_vendor}" = "xgnu" ; then
	    APR_ADDTO(SWITCH_AM_CFLAGS, -g -ggdb)
	    export DEBUG_CFLAGS="-g -ggdb"
	fi

fi

AC_ARG_ENABLE(cpp,
[AC_HELP_STRING([--disable-cpp],[build without cpp code])],[enable_cpp="$enableval"],[enable_cpp="yes"])

AM_CONDITIONAL([ENABLE_CPP],[test "${enable_cpp}" = "yes"])

AC_ARG_ENABLE(zrtp,
	[AS_HELP_STRING([--enable-zrtp], [Compile with zrtp Support])],,[enable_zrtp="no"])
if test "x$enable_zrtp" = "xyes" ; then
   saved_LIBS=$LIBS
   LIBS="$saved_LIBS -L/usr/local/lib -lbn -lpthread"
   AC_CHECK_LIB(zrtp, zrtp_init, [has_zrtp="yes"], [has_zrtp="no"])
   LIBS=$saved_LIBS
   if test "x$has_zrtp" = "xno"; then
      AC_ERROR([Cannot locate zrtp libraries])
   fi
   APR_ADDTO(SWITCH_AM_CFLAGS, -DENABLE_ZRTP)
fi
AM_CONDITIONAL([ENABLE_ZRTP],[test "x$enable_zrtp" != "xno"])


AM_CONDITIONAL([WANT_DEBUG],[test "${enable_debug}" = "yes"])

AC_ARG_ENABLE(core-odbc-support,     
	[AS_HELP_STRING([--enable-core-odbc-support], [Compile with ODBC Support])],,[enable_core_odbc_support="no"])
AX_LIB_ODBC
if test "$ac_cv_found_odbc" = "yes" ; then
  enable_core_odbc_support="yes"
fi

ESL_LDFLAGS=
PLATFORM_CORE_DEPLIBS=
# tweak platform specific flags
case "$host" in
    *darwin*)
        APR_ADDTO(SWITCH_AM_CFLAGS, -DMACOSX)
        APR_REMOVEFROM(SWITCH_AM_CFLAGS, -fPIC)
	if test "x$enable_core_odbc_support" != "xno"; then
	        APR_ADDTO(PLATFORM_CORE_DEPLIBS, --framework CoreFoundation)
	fi
    ;;
    *-solaris2*)
        APR_ADDTO(SWITCH_AM_CFLAGS, -DPATH_MAX=2048)
        APR_ADDTO(ESL_LDFLAGS, -lnsl -lsocket)
    ;;
    *bsd*)
        APR_ADDTO(SWITCH_AM_CFLAGS, -I/usr/local/include)
    ;;
esac

APR_REMOVEFROM(SWITCH_AM_CXXFLAGS, -std=c99)

AC_SUBST(SWITCH_AM_CFLAGS)
AC_SUBST(SWITCH_AM_CXXFLAGS)
AC_SUBST(SWITCH_AM_LDFLAGS)
AC_SUBST(ESL_LDFLAGS)
AC_SUBST(PLATFORM_CORE_DEPLIBS)
AC_SUBST(SOLINK)
AC_SUBST(DYNAMIC_LIB_EXTEN)
AC_SUBST(LIBTOOL_LIB_EXTEN)

# Checks for header files.
AC_HEADER_DIRENT
AC_HEADER_STDC
AC_CHECK_HEADERS([sys/types.h sys/resource.h sched.h wchar.h sys/filio.h sys/ioctl.h netdb.h execinfo.h])

# for xmlrpc-c config.h
if test x"$ac_cv_header_wchar_h" = xyes; then
  HAVE_WCHAR_H_DEFINE=1
else
  HAVE_WCHAR_H_DEFINE=0
fi
AC_SUBST(HAVE_WCHAR_H_DEFINE)

# Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_C_INLINE
AC_TYPE_SIZE_T
AC_HEADER_TIME
AC_STRUCT_TM

# Checks for library functions.
AC_PROG_GCC_TRADITIONAL
AC_FUNC_MALLOC
AC_TYPE_SIGNAL
AC_FUNC_STRFTIME
AC_CHECK_FUNCS([gethostname vasprintf mmap mlock mlockall usleep getifaddrs])
AC_CHECK_FUNCS([sched_setscheduler setpriority setrlimit setgroups initgroups])
AC_CHECK_FUNCS([wcsncmp setgroups asprintf setenv pselect gettimeofday localtime_r gmtime_r strcasecmp stricmp _stricmp])

AC_CHECK_LIB(rt, clock_gettime, [AC_DEFINE(HAVE_CLOCK_GETTIME, 1, [Define if you have clock_gettime()])])
AC_CHECK_LIB(rt, clock_nanosleep, [AC_DEFINE(HAVE_CLOCK_NANOSLEEP, 1, [Define if you have clock_nanosleep()])])
AC_CHECK_FUNC(socket, , AC_CHECK_LIB(socket, socket))

AC_CHECK_MEMBERS([struct tm.tm_gmtoff],,,[
#include <sys/types.h>
#include <time.h>])

AC_CHECK_MEMBERS([struct tm.tm_zone],,,[
#include <sys/types.h>
#include <time.h>])

AC_CHECK_DECL([RLIMIT_MEMLOCK],
	[AC_DEFINE([HAVE_RLIMIT_MEMLOCK],[1],[RLIMIT_MEMLOCK constant for setrlimit])],,
	[#ifdef HAVE_SYS_RESOURCE_H
	 #include <sys/resource.h>
	 #endif])

AC_CHECK_DECL([SCHED_RR],
	[AC_DEFINE([HAVE_SCHED_RR],[1],[SCHED_RR constant for sched_setscheduler])],,
	[#ifdef HAVE_SCHED_H
	 #include <sched.h>
	 #endif])

#
# use mlockall only on linux (for now; if available)
#
if test "x${ac_cv_func_mlockall}" = "xyes"; then
	AC_MSG_CHECKING([whether to use mlockall])
	case "$host" in
	*-linux-*)
		AC_DEFINE([USE_MLOCKALL],[1],[Enable mlockall support])
		AC_MSG_RESULT([yes])
		USE_MLOCKALL=yes
		;;
	*-freebsd*)
		AC_MSG_RESULT([no, broken for non-root users])
		;;
	*)
		AC_MSG_RESULT([no])
		;;
	esac

	#
	# setrlimit prerequisites
	#
	if test "x${USE_MLOCKALL}" = "xyes" -a \
		"x${ac_cv_func_setrlimit}" = "xyes" -a \
		"x${ac_cv_have_decl_RLIMIT_MEMLOCK}" = "xyes"
	then
		AC_DEFINE([USE_SETRLIMIT],[1],[Use setrlimit to disable mlock limit for non-root users])
	fi
fi

#
# sched_setcheduler + round-robin scheduler prerequisites
#
if test "x${ac_cv_func_sched_setscheduler}" = "xyes" -a \
        "x${ac_cv_have_decl_SCHED_RR}" = "xyes"
then
	AC_DEFINE([USE_SCHED_SETSCHEDULER],[1],[Enable round-robin scheduler using sched_setscheduler])
fi

#
# xmlrpc-c checks
#


HAVE_LIBWWW_SSL_DEFINE=0
AC_SUBST(HAVE_LIBWWW_SSL_DEFINE)

DIRECTORY_SEPARATOR="/"
AC_SUBST(DIRECTORY_SEPARATOR)

va_list_is_array=no
AC_MSG_CHECKING(whether va_list is an array)
AC_TRY_COMPILE([
#include <stdarg.h>
], [va_list list1, list2; list1 = list2;], , 
va_list_is_array=yes)
AC_MSG_RESULT($va_list_is_array)
if test x"$va_list_is_array" = xyes; then
  VA_LIST_IS_ARRAY_DEFINE=1
else
  VA_LIST_IS_ARRAY_DEFINE=0
fi
AC_SUBST(VA_LIST_IS_ARRAY_DEFINE)

AC_MSG_CHECKING(whether compiler has __attribute__)
AC_TRY_COMPILE(, [int x __attribute__((__unused__));],
compiler_has_attribute=yes,
compiler_has_attribute=no)
AC_MSG_RESULT($compiler_has_attribute)
if test x"$compiler_has_attribute" = xyes; then
    ATTR_UNUSED="__attribute__((__unused__))"
else
    ATTR_UNUSED=
fi
AC_SUBST(ATTR_UNUSED)




AC_C_BIGENDIAN(AC_DEFINE([SWITCH_BYTE_ORDER],__BIG_ENDIAN,[Big Endian]),AC_DEFINE([SWITCH_BYTE_ORDER],__LITTLE_ENDIAN,[Little Endian]))

# Checks for integer size
AC_CHECK_SIZEOF(char, 1)
AC_CHECK_SIZEOF(int, 4)
AC_CHECK_SIZEOF(long, 4)
AC_CHECK_SIZEOF(short, 2)
AC_CHECK_SIZEOF(long long, 8)
AC_TYPE_SIZE_T
AC_CHECK_TYPE(ssize_t, int)

# Checks for pointer size
AC_CHECK_SIZEOF(void*, 4)

if test "x$ac_cv_sizeof_voidp" != "x"; then
    voidp_size=$ac_cv_sizeof_voidp
else
    AC_ERROR([Cannot determine size of void*])
fi

if test "$ac_cv_sizeof_short" = "2"; then
    short_value=short
fi
if test "$ac_cv_sizeof_int" = "4"; then
    int_value=int
fi

if test "$ac_cv_sizeof_int" = "8"; then
    int64_t_fmt='#define SWITCH_INT64_T_FMT "d"'
    uint64_t_fmt='#define SWITCH_UINT64_T_FMT "u"'
    int64_value="int"
    long_value=int
elif test "$ac_cv_sizeof_long" = "8"; then
    int64_t_fmt='#define SWITCH_INT64_T_FMT "ld"'
    uint64_t_fmt='#define SWITCH_UINT64_T_FMT "lu"'
    int64_value="long"
    long_value=long
    case "$host" in
        *-solaris2*|*apple-darwin*)
	    if test "$ac_cv_sizeof_long_long" = "8"; then
	        int64_t_fmt='#define SWITCH_INT64_T_FMT "lld"'
		uint64_t_fmt='#define SWITCH_UINT64_T_FMT "llu"'
		int64_value="long long"
		long_value="long long"
	    fi
	;;
    esac
elif test "$ac_cv_sizeof_long_long" = "8"; then
    int64_t_fmt='#define SWITCH_INT64_T_FMT "lld"'
    uint64_t_fmt='#define SWITCH_UINT64_T_FMT "llu"'
    int64_value="long long"
    long_value="long long"
elif test "$ac_cv_sizeof_longlong" = "8"; then
    int64_t_fmt='#define SWITCH_INT64_T_FMT "qd"'
    uint64_t_fmt='#define SWITCH_UINT64_T_FMT "qu"'
    int64_value="__int64"
    long_value="__int64"
else
    AC_ERROR([could not detect a 64-bit integer type])
fi

if test "$ac_cv_type_size_t" = "yes"; then
    size_t_value="size_t"
else
    size_t_value="switch_int32_t"
fi

if test "$ac_cv_type_ssize_t" = "yes"; then
    ssize_t_value="ssize_t"
else
    ssize_t_value="switch_int32_t"
fi

APR_CHECK_SIZEOF_EXTENDED([#include <sys/types.h>], ssize_t, 8)

if test "$ac_cv_sizeof_ssize_t" = "$ac_cv_sizeof_int"; then
    ssize_t_fmt='#define SWITCH_SSIZE_T_FMT "d"'
elif test "$ac_cv_sizeof_ssize_t" = "$ac_cv_sizeof_long"; then
    ssize_t_fmt='#define SWITCH_SSIZE_T_FMT "ld"'
else
    ssize_t_fmt='#error Can not determine the proper size for ssize_t'
fi

APR_CHECK_SIZEOF_EXTENDED([#include <stddef.h>], size_t, 8)

if test "$ac_cv_sizeof_size_t" = "$ac_cv_sizeof_int"; then
    size_t_fmt='#define SWITCH_SIZE_T_FMT "d"'
elif test "$ac_cv_sizeof_size_t" = "$ac_cv_sizeof_long"; then
    size_t_fmt='#define SWITCH_SIZE_T_FMT "ld"'
else
    size_t_fmt='#error Can not determine the proper size for size_t'
fi

# Basically, we have tried to figure out the correct format strings
# for SWITCH types which vary between platforms, but we don't always get 
# it right.  If you find that we don't get it right for your platform, 
# you can override our decision below.
# NOTE: borrowed much of this logic from apr.
case $host in
   s390*linux*)
       # uniquely, the 31-bit Linux/s390 uses "unsigned long int"
       # for size_t rather than "unsigned int":
       size_t_fmt='#define SWITCH_SIZE_T_FMT "lu"'
       ssize_t_fmt='#define SWITCH_SSIZE_T_FMT "ld"'
       ;;
   *-os2*)
       size_t_fmt='#define SWITCH_SIZE_T_FMT "lu"'
       ;;
   *-openbsd*)
       size_t_fmt='#define SWITCH_SIZE_T_FMT "ld"'
       ;;
   *aix4*|*aix5*)
       ssize_t_fmt='#define SWITCH_SSIZE_T_FMT "ld"'
       size_t_fmt='#define SWITCH_SIZE_T_FMT "ld"'
       ;;
    *beos*)
        ssize_t_fmt='#define SWITCH_SSIZE_T_FMT "ld"'
        size_t_fmt='#define SWITCH_SIZE_T_FMT "ld"'
        ;;
    *apple-darwin*)
        osver=`uname -r`
        case $osver in
           [0-7].*)
              ssize_t_fmt='#define SWITCH_SSIZE_T_FMT "d"'
              ;;
           *)
              ssize_t_fmt='#define SWITCH_SSIZE_T_FMT "ld"'
              ;;
        esac
        size_t_fmt='#define SWITCH_SIZE_T_FMT "lu"'
        ;;
esac

AC_SUBST(voidp_size)
AC_SUBST(short_value)
AC_SUBST(int_value)
AC_SUBST(long_value)
AC_SUBST(int64_value)
AC_SUBST(size_t_value)
AC_SUBST(ssize_t_value)
AC_SUBST(int64_t_fmt) 
AC_SUBST(uint64_t_fmt) 
AC_SUBST(ssize_t_fmt) 
AC_SUBST(size_t_fmt)
AC_SUBST(libdir)
AC_SUBST(bindir)
AC_SUBST(includedir)

AC_PATH_PROGS(ZCAT, gunzip gzcat gzip zcat)
AC_PATH_PROGS(TAR, gtar tar)
AC_PATH_PROGS(WGET, wget)
AC_PATH_PROGS(CURL, curl)
GETLIB="cd $switch_srcdir/libs && ${SHELL} $switch_srcdir/build/getlib.sh"
AC_SUBST(GETLIB)
GETSOUNDS="${SHELL} $switch_srcdir/build/getsounds.sh"
AC_SUBST(GETSOUNDS)


LIBCURL_CHECK_CONFIG([yes], [7.13.0], [LIBCURL_DEPS=''], [LIBCURL_DEPS='${switch_srcdir}/libs/curl/lib/libcurl.la';LIBCURL='${switch_srcdir}/libs/curl/lib/libcurl.la';LIBCURL_CPPFLAGS='-I${switch_srcdir}/libs/curl/include'])
AC_SUBST(LIBCURL_DEPS)


AC_ARG_ENABLE(core-libedit-support,     
	[AS_HELP_STRING([--disable-core-libedit-support], [Compile without libedit Support])], [enable_core_libedit_support="$enableval"], [enable_core_libedit_support="yes"])

if test "$enable_core_libedit_support" = "yes" ; then
    AC_CHECK_LIB(ncurses, tgetent,,
       [AC_CHECK_LIB(curses, tgetent,,
          [AC_MSG_ERROR([libtermcap, libcurses or libncurses are required!])] )] )
fi

SAC_OPENSSL

if test x$HAVE_OPENSSL = x1; then
	openssl_CFLAGS="$openssl_CFLAGS -DHAVE_OPENSSL";
fi

AX_CHECK_JAVA


AM_CONDITIONAL([ADD_ODBC],[test "x$enable_core_odbc_support" != "xno"])
AM_CONDITIONAL([ADD_LIBEDIT],[test "x$enable_core_libedit_support" != "xno"])
AM_CONDITIONAL([HAVE_MYSQL],[test "$found_mysql" = "yes"])

#
# Python checks for mod_python
#
AC_ARG_WITH(
	[python],
	[AS_HELP_STRING([--with-python], [Use system provided version of python (default: try)])],
	[with_python="$withval"],
	[with_python="try"]
)

if test "$with_python" != "no"
then
	save_CFLAGS="$CFLAGS"
	save_LIBS="$LIBS"

	if test "$with_python" != "yes" -a "$with_python" != "try" ; then
		AC_MSG_CHECKING([for python])
		if test ! -x "$with_python" ; then
			AC_MSG_ERROR([Specified python does not exist or is not executable: $with_python])
		fi
		AC_MSG_RESULT([$with_python])
		AC_SUBST([PYTHON], ["$with_python"])
	else
		AC_PATH_PROG([PYTHON], ["python"], ["no"], ["$PATH:/usr/bin:/usr/local/bin"])
	fi

	if test "$PYTHON" != "no" ; then
		AC_MSG_CHECKING([python version])
		PYTHON_VER="`$PYTHON -V 2>&1 | cut -d' ' -f2`"

		if test -z "$PYTHON_VER" ; then
			AC_MSG_ERROR([Unable to detect python version])
		fi
		AC_MSG_RESULT([$PYTHON_VER])

		AC_MSG_CHECKING([for python distutils])
		python_result="`$PYTHON -c 'import distutils;' 2>&1`"
		if test -z "$python_result" ; then
			python_has_distutils="yes"
		else
			python_has_distutils="no"
		fi
		AC_MSG_RESULT([$python_has_distutils])

		if test "$python_has_distutils" != "no" ; then
			AC_MSG_CHECKING([location of site-packages])

			PYTHON_SITE_DIR="`$PYTHON -c 'from distutils import sysconfig; print sysconfig.get_python_lib(0);'`"

			if test -z "$PYTHON_SITE_DIR" ; then
				AC_MSG_ERROR([Unable to detect python site-packages path])
			elif test ! -d "$PYTHON_SITE_DIR" ; then
				AC_MSG_ERROR([Path $PYTHON_SITE_DIR returned by python does not exist!])
			fi
			AC_MSG_RESULT([$PYTHON_SITE_DIR])
			AC_SUBST([PYTHON_SITE_DIR], [$PYTHON_SITE_DIR])

			#
			# python distutils found, get settings from python directly
			#
			PYTHON_CFLAGS="`$PYTHON -c 'from distutils import sysconfig; flags = [[\"-I\" + sysconfig.get_python_inc(0), \"-I\" + sysconfig.get_python_inc(1), \" \".join(sysconfig.get_config_var(\"CFLAGS\").split())]]; print \" \".join(flags);'`"
			PYTHON_LDFLAGS="`$PYTHON -c 'from distutils import sysconfig; libs = sysconfig.get_config_var(\"LIBS\").split() + sysconfig.get_config_var(\"SYSLIBS\").split(); libs.append(\"-lpython\"+sysconfig.get_config_var(\"VERSION\")); print \" \".join(libs);'`"
			PYTHON_LIB="`$PYTHON -c 'from distutils import sysconfig; print \"python\" + sysconfig.get_config_var(\"VERSION\");'`"
			PYTHON_LIBDIR="`$PYTHON -c 'from distutils import sysconfig; print sysconfig.get_config_var(\"LIBDIR\");'`"

			# handle python being installed into /usr/local
			AC_MSG_CHECKING([python libdir])
			if test -z "`echo $PYTHON_LIBDIR | grep "/usr/lib"`" ; then
				PYTHON_LDFLAGS="-L$PYTHON_LIBDIR $PYTHON_LDFLAGS"
				LIBS="-L$PYTHON_LIBDIR $LIBS"
			fi
			AC_MSG_RESULT([$PYTHON_LIBDIR])

			# check libpython
			AC_CHECK_LIB([$PYTHON_LIB], [main], [has_libpython="yes"], [has_libpython="no"])

			if test "$has_libpython" = "no" ; then
				AS_IF([test "$with_python" = "try"],
				 	[AC_MSG_WARN([$PYTHON_LIB is unusable])],
					[AC_MSG_ERROR([$PYTHON_LIB is unusable])]
				)
			fi

			# check whether system libpython is usable and has threads support
			CFLAGS="$PYTHON_CFLAGS"
			LIBS="$PYTHON_LDFLAGS"
			AC_CHECK_FUNC([PyThread_init_thread], [python_has_threads="yes"], [python_has_threads="no"])

			if test "$python_has_threads" = "no"; then
				AS_IF([test "$with_python" = "try"],
					[AC_MSG_WARN([Your python lacks threads support, can not build mod_python])],
					[AC_MSG_ERROR([Your python lacks threads support, can not build mod_python])]
				)
			else
				AC_MSG_NOTICE([Your python seems OK, do not forget to enable mod_python in modules.conf])
				AC_SUBST([PYTHON_CFLAGS],  [$PYTHON_CFLAGS])
				AC_SUBST([PYTHON_LDFLAGS], [$PYTHON_LDFLAGS])
			fi
		else
			AS_IF([test "$with_python" = "try"],
				[AC_MSG_WARN([Could not find or use python distutils module: $python_result])],
				[AC_MSG_ERROR([Could not find or use python distutils module: $python_result])]
			)
		fi

		LIBS="$save_LIBS"
		CFLAGS="$save_CFLAGS"

		unset python_has_threads
		unset python_has_distutils
		unset python_result
	else
		AS_IF([test "$with_python" = "try"],
			[AC_MSG_WARN([Could not find python, mod_python will not build, use --with-python to specify the location])],
			[AC_MSG_ERROR([Could not find python, use --with-python to specify the location])]
		)
	fi
else
	AC_MSG_WARN([python support disabled, building mod_python will fail!])
fi

CHECK_ERLANG

AC_CONFIG_FILES([Makefile
                src/Makefile
                src/mod/Makefile
                src/mod/endpoints/mod_sofia/Makefile
                src/mod/asr_tts/mod_unimrcp/Makefile
                src/mod/languages/mod_java/Makefile
                src/mod/languages/mod_python/Makefile
                src/mod/event_handlers/mod_erlang_event/Makefile
                src/include/switch_am_config.h
                build/getsounds.sh
                build/getlib.sh
                build/modmake.rules
                libs/xmlrpc-c/include/xmlrpc-c/config.h
                libs/xmlrpc-c/xmlrpc_config.h
                scripts/gentls_cert])

AM_CONDITIONAL(ISLINUX, [test `uname -s` = Linux])
AM_CONDITIONAL(ISMAC, [test `uname -s` = Darwin])
AM_CONDITIONAL(IS64BITLINUX, [test `uname -m` = x86_64])

#some vars to sub into the Makefile.am's
#LIBS+=> core.log || error="yes";if test -n "$(VERBOSE)" -o "$$error" = "yes";then cat core.log;fi;if test "$$error" = "yes";then exit 1;fi
LIBTOOL='`if test -z "$(VERBOSE)" ; then echo $(SHELL) $(switch_builddir)/quiet_libtool ;else echo $(switch_builddir)/libtool; fi;`'
TOUCH_TARGET='if test -f "$@";then touch "$@";fi;'
CONF_MODULES='$$(grep -v "\#" $(switch_builddir)/modules.conf | sed -e "s|^.*/||" | sort | uniq )'
CONF_DISABLED_MODULES='$$(grep "\#" $(switch_builddir)/modules.conf | grep -v "\#\#" | sed -e "s|^.*/||" | sort | uniq )'
OUR_MODS='$$(if test -z "$(MODULES)" ; then tmp_mods="$(CONF_MODULES)"; else tmp_mods="$(MODULES)" ; fi ; mods="$$(for i in $$tmp_mods ; do echo $$i-all ; done )"; echo $$mods )'
OUR_CLEAN_MODS='$$(if test -z "$(MODULES)" ; then tmp_mods="$(CONF_MODULES)"; else tmp_mods="$(MODULES)" ; fi ; mods="$$(for i in $$tmp_mods ; do echo $$i-clean ; done )"; echo $$mods )'
OUR_INSTALL_MODS='$$(if test -z "$(MODULES)" ; then tmp_mods="$(CONF_MODULES)"; else tmp_mods="$(MODULES)" ; fi ; mods="$$(for i in $$tmp_mods ; do echo $$i-install ; done)"; echo $$mods )'
OUR_UNINSTALL_MODS='$$(if test -z "$(MODULES)" ; then tmp_mods="$(CONF_MODULES)"; else tmp_mods="$(MODULES)" ; fi ; mods="$$(for i in $$tmp_mods ; do echo $$i-uninstall ; done)"; echo $$mods )'
OUR_DISABLED_MODS='$$(tmp_mods="$(CONF_DISABLED_MODULES)"; mods="$$(for i in $$tmp_mods ; do echo $$i-all ; done )"; echo $$mods )'
OUR_DISABLED_CLEAN_MODS='$$(tmp_mods="$(CONF_DISABLED_MODULES)";  mods="$$(for i in $$tmp_mods ; do echo $$i-clean ; done )"; echo $$mods )'
OUR_DISABLED_INSTALL_MODS='$$(tmp_mods="$(CONF_DISABLED_MODULES)"; mods="$$(for i in $$tmp_mods ; do echo $$i-install ; done)"; echo $$mods )'
OUR_DISABLED_UNINSTALL_MODS='$$(tmp_mods="$(CONF_DISABLED_MODULES)"; mods="$$(for i in $$tmp_mods ; do echo $$i-uninstall ; done)"; echo $$mods )'

AM_MAKEFLAGS='"OUR_MODULES=$(OUR_MODS)" "OUR_CLEAN_MODULES=$(OUR_CLEAN_MODS)" "OUR_INSTALL_MODULES=$(OUR_INSTALL_MODS)" "OUR_UNINSTALL_MODULES=$(OUR_UNINSTALL_MODS)" "OUR_DISABLED_MODULES=$(OUR_DISABLED_MODS)" "OUR_DISABLED_CLEAN_MODULES=$(OUR_DISABLED_CLEAN_MODS)" "OUR_DISABLED_INSTALL_MODULES=$(OUR_DISABLED_INSTALL_MODS)" "OUR_DISABLED_UNINSTALL_MODULES=$(OUR_DISABLED_UNINSTALL_MODS)" `test -n "$(VERBOSE)" || echo -s`'
#AM_MAKEFLAGS='`test -n "$(VERBOSE)" || echo -s`'
AC_SUBST(LIBTOOL)
AC_SUBST(TOUCH_TARGET)
AC_SUBST(CONF_DISABLED_MODULES)
AC_SUBST(CONF_MODULES)

AC_SUBST(OUR_MODS)
AC_SUBST(OUR_CLEAN_MODS)
AC_SUBST(OUR_INSTALL_MODS)
AC_SUBST(OUR_UNINSTALL_MODS)
AC_SUBST(OUR_DISABLED_MODS)
AC_SUBST(OUR_DISABLED_CLEAN_MODS)
AC_SUBST(OUR_DISABLED_INSTALL_MODS)
AC_SUBST(OUR_DISABLED_UNINSTALL_MODS)
AC_SUBST(AM_MAKEFLAGS)

# Run configure in all the subdirs
AC_CONFIG_SUBDIRS(libs/srtp)
AC_CONFIG_SUBDIRS(libs/sqlite)
if test "$enable_core_libedit_support" = "yes" ; then
    AC_CONFIG_SUBDIRS(libs/libedit)
fi

AC_CONFIG_SUBDIRS(libs/pcre)
AC_CONFIG_SUBDIRS(libs/apr)
AC_CONFIG_SUBDIRS(libs/apr-util)
AC_CONFIG_SUBDIRS(libs/ilbc)
AC_CONFIG_SUBDIRS(libs/curl)
AC_CONFIG_SUBDIRS(libs/iksemel)
AC_CONFIG_SUBDIRS(libs/js/nsprpub)
AC_CONFIG_SUBDIRS(libs/js)
AC_CONFIG_SUBDIRS(libs/libdingaling)
AC_CONFIG_SUBDIRS(libs/libsndfile)
AC_CONFIG_SUBDIRS(libs/sofia-sip)
AC_CONFIG_SUBDIRS(libs/speex)
AC_CONFIG_SUBDIRS(libs/portaudio)
AC_CONFIG_SUBDIRS(libs/openzap)
AC_CONFIG_SUBDIRS(libs/unimrcp)
AC_CONFIG_SUBDIRS(libs/tiff-3.8.2)
AC_CONFIG_SUBDIRS(libs/spandsp)
AC_CONFIG_SUBDIRS(libs/broadvoice)
AC_CONFIG_SUBDIRS(libs/libg722_1)

AC_OUTPUT