#!/bin/sh

# Proprietary configure script of Coturn project

cleanup() {
	rm -rf ${TMPCPROGC}
	rm -rf ${TMPCPROGB}
	rm -rf ${TH_TMPCPROGC}
	rm -rf ${TH_TMPCPROGB}
	rm -rf ${GCM_TMPCPROGC}
	rm -rf ${GCM_TMPCPROGB}
	rm -rf ${D_TMPCPROGC}
	rm -rf ${D_TMPCPROGB}
	rm -rf ${TMPCADDRPROGO}
}

testlibraw() {
    ${CC} ${TMPCPROGC} -o ${TMPCPROGB} ${OSCFLAGS} ${OSLIBS} -${1} 2>>/dev/null
    ER=$?
    if ! [ ${ER} -eq 0 ] ; then
        ${ECHO_CMD} "Library option -${1} cannot be used"
        return 0
    else
        OSLIBS="${OSLIBS} -${1}"
        return 1
    fi
}

# testpkg pkg1 pkg2 ...
# If all libraries are found, sets PKG_CFLAGS/PKG_LIBS and returns success.
# Otherwise, returns failure.
testpkg() {
    PKG_LIBS="$($PKGCONFIG --libs "$@" 2>/dev/null)"
    if [ $? -ne 0 ] ; then
        return 1
    fi
    PKG_CFLAGS="$($PKGCONFIG --cflags "$@")"
}

# testpkg_db pkg1 pkg2 ...
# If all libraries are found, adds them to DBCFLAGS/DBLIBS and returns success.
# Otherwise, returns failure.
testpkg_db() {
    testpkg "$@" || return $?
    DBCFLAGS="${DBCFLAGS} ${PKG_CFLAGS}"
    DBLIBS="${DBLIBS} ${PKG_LIBS}"
}

# support for older mysql version
# if mysql_config is found in path adds librairies to DBCFLAGS/DBLIBS and returns success.
# Otherwise, returns failure.
test_mysql_config() {
    which mysql_config &>/dev/null || return $?
    DBCFLAGS="${DBCFLAGS} $(mysql_config --cflags)"
    DBLIBS="${DBLIBS} $(mysql_config --libs)"
}

# testpkg_common pkg1 pkg2 ...
# If all libraries are found, adds them to OSCFLAGS/OSLIBS and returns success.
# Otherwise, returns failure.
testpkg_common() {
    testpkg "$@" || return $?
    OSCFLAGS="${OSCFLAGS} ${PKG_CFLAGS}"
    OSLIBS="${OSLIBS} ${PKG_LIBS}"
}

testlib() {
    testlibraw l${1}
}

pthread_testlib() {
    if [ -n "${PTHREAD_LIBS}" ] ; then
        OSLIBS="${OSLIBS} ${PTHREAD_LIBS}"
        return
    fi

    if [ "$(uname)" = "DragonFly" ] ; then
        OSLIBS="${OSLIBS} -pthread"
        TURN_NO_SCTP=1
        return
    fi

    if [ -n "$(uname | grep -i bsd)" ] ; then
        OSLIBS="${OSLIBS} -pthread"
        return
    fi

    ${CC} ${TH_TMPCPROGC} -o ${TH_TMPCPROGB} ${OSCFLAGS} ${OSLIBS} 2>>/dev/null
    ER=$?
    if [ ${ER} -eq 0 ] ; then
        return
    fi

    ${CC} ${TH_TMPCPROGC} -o ${TH_TMPCPROGB} ${OSCFLAGS} ${OSLIBS} -pthread 2>>/dev/null
    ER=$?
    if [ ${ER} -eq 0 ] ; then
        OSLIBS="${OSLIBS} -pthread"
        return
    fi

    ${CC} ${TH_TMPCPROGC} -o ${TH_TMPCPROGB} ${OSCFLAGS} ${OSLIBS} -lpthread 2>>/dev/null
    ER=$?
    if [ ${ER} -eq 0 ] ; then
        OSLIBS="${OSLIBS} -lpthread"
        return
    fi

    ${CC} ${TH_TMPCPROGC} -o ${TH_TMPCPROGB} ${OSCFLAGS} ${OSLIBS} 2>>/dev/null
    ER=$?
    if [ ${ER} -eq 0 ] ; then
        return
    fi

    ${CC} ${TH_TMPCPROGC} -o ${TH_TMPCPROGB} ${OSCFLAGS} ${OSLIBS} -D_GNU_SOURCE 2>>/dev/null
    ER=$?
    if [ ${ER} -eq 0 ] ; then
        ${ECHO_CMD} "Older GNU pthread library found"
        OSCFLAGS="${OSCFLAGS} -D_GNU_SOURCE"
        return
    fi

    ${ECHO_CMD} "Do not use pthreads"
    return 1
}

pthread_testbarriers() {

    ${ECHO_CMD} "pthread_barrier_t barrier;" >> ${TH_TMPCPROGC}
    ${CC} ${TH_TMPCPROGC} -o ${TH_TMPCPROGB} ${OSCFLAGS} ${OSLIBS} 2>>/dev/null
    ER=$?
    if ! [ ${ER} -eq 0 ] ; then
		${ECHO_CMD} "pthread barriers not found"
		OSCFLAGS="${OSCFLAGS} -DTURN_NO_THREAD_BARRIERS"
    fi
}

gcm_testlib() {

    if [ -z "${TURN_NO_GCM}" ] ; then
    	${CC} ${GCM_TMPCPROGC} -o ${GCM_TMPCPROGB} ${OSCFLAGS} ${OSLIBS} 2>>/dev/null
    	ER=$?
    	if [ ${ER} -eq 0 ] ; then
    	    return 1
    	else
    	    return 0
    	fi
    else
		return 0
    fi
}

testdaemon() {

	${CC} ${D_TMPCPROGC} -o ${D_TMPCPROGB} ${OSCFLAGS} ${OSLIBS} 2>>/dev/null
	ER=$?
	if [ ${ER} -eq 0 ] ; then
	    OSCFLAGS="${OSCFLAGS} -DTURN_HAS_DAEMON"
	fi
}

test_sin_len() {
    TMPCADDRPROGC=src/client/ns_turn_ioaddr.c
    ${CC} -c ${OSCFLAGS} -DTURN_HAS_SIN_LEN -Isrc ${TMPCADDRPROGC} -o ${TMPCADDRPROGO} 2>>/dev/null
    ER=$?
    if [ ${ER} -eq 0 ] ; then
	OSCFLAGS="${OSCFLAGS} -DTURN_HAS_SIN_LEN"
	${ECHO_CMD} "Sockets code is fine: sin_len field present"
    else
	${CC} -c ${OSCFLAGS} -Isrc ${TMPCADDRPROGC} -o ${TMPCADDRPROGO} 2>>/dev/null
	ER=$?
	if [ ${ER} -eq 0 ] ; then
	    ${ECHO_CMD} "Sockets code is fine: no sin_len field present"
	else
	    ${ECHO_CMD} "WARNING: trial compilation failed: src/client/ns_turn_ioaddr.c"
	fi
    fi
}

#########################
# Start
#########################

cleanup

#########################
# To be set:
#########################

if [ -z "${ECHO_CMD}" ] ; then
	ECHO_CMD=echo
fi

if [ -z "${FIND_CMD}" ] ; then
	FIND_CMD=find
fi

if [ -z "${PORTNAME}" ] ; then
	PORTNAME=turnserver
fi

#########################

# Installation directory options

ac_prev=
ac_dashdash=
for ac_option
do
  # If the previous option needs an argument, assign it.
  if test -n "$ac_prev"; then
    eval $ac_prev=\$ac_option
    ac_prev=
    continue
  fi

  case $ac_option in
  *=?*) ac_optarg=`expr "X$ac_option" : '[^=]*=\(.*\)'` ;;
  *=)   ac_optarg= ;;
  *)    ac_optarg=yes ;;
  esac

  # Accept the important Cygnus configure options, so we can diagnose typos.

  case $ac_dashdash$ac_option in
  --)
    ac_dashdash=yes ;;

  -bindir | --bindir | --bindi | --bind | --bin | --bi)
    ac_prev=BINDIR ;;
  -bindir=* | --bindir=* | --bindi=* | --bind=* | --bin=* | --bi=*)
    BINDIR=$ac_optarg ;;

  -localstatedir | --localstatedir | --localstatedi | --localstated | --localstate | --localstat)
    ac_prev=LOCALSTATEDIR ;;
  -localstatedir=* | --localstatedir=* | --localstatedi=* | --localstated=* | --localstate=* | --localstat=*)
    LOCALSTATEDIR=$ac_optarg ;;

  -turndbdir | --turndbdir | --turndbdi | --turndbd | --turndb | --turnd)
    ac_prev=TURNDBDIR ;;
  -turndbdir=* | --turndbdir=* | --turndbdi=* | --turndbd=* | --turndb=* | --turnd=*)
    TURNDBDIR=$ac_optarg ;;

  -datadir | --datadir | --datadi | --datad | -schemadir | --schemadir)
    ac_prev=SCHEMADIR ;;
  -datadir=* | --datadir=* | --datadi=* | --datad=* | -schemadir=* | --schemadir=*)
    SCHEMADIR=$ac_optarg ;;

  -docdir | --docdir | --docdi | --doc | --do | -docsdir | --docsdir | --docsdi | --docs)
    ac_prev=DOCDIR ;;
  -docdir=* | --docdir=* | --docdi=* | --doc=* | --do=* | -docsdir=* | --docsdir=* | --docsdi=* | --docs=*)
    DOCSDIR=$ac_optarg ;;

  -examplesdir | --examplesdir | -examples | --examples)
    ac_prev=EXAMPLESDIR ;;
  -examplesdir=* | --examplesdir=* | -examples=* | --examples=*)
    EXAMPLESDIR=$ac_optarg ;;

  -includedir | --includedir | --includedi | --included | --include \
  | --includ | --inclu | --incl | --inc)
    ac_prev=INCLUDEDIR ;;
  -includedir=* | --includedir=* | --includedi=* | --included=* | --include=* \
  | --includ=* | --inclu=* | --incl=* | --inc=*)
    INCLUDEDIR=$ac_optarg ;;

  -turnincludedir | --turnincludedir)
    ac_prev=TURNINCLUDEDIR ;;
  -turnincludedir=* | --turnincludedir=*)
    TURNINCLUDEDIR=$ac_optarg ;;

  -libdir | --libdir | --libdi | --libd)
    ac_prev=LIBDIR ;;
  -libdir=* | --libdir=* | --libdi=* | --libd=*)
    LIBDIR=$ac_optarg ;;

  -mandir | --mandir | --mandi | --mand | --man | --ma | --m | -manprefix | --manprefix)
    ac_prev=MAXPREFIX ;;
  -mandir=* | --mandir=* | --mandi=* | --mand=* | --man=* | --ma=* | --m=* | -manprefix=* | --manprefix=*)
    MANPREFIX=$ac_optarg ;;

  -prefix | --prefix | --prefi | --pref | --pre | --pr | --p)
    ac_prev=PREFIX ;;
  -prefix=* | --prefix=* | --prefi=* | --pref=* | --pre=* | --pr=* | --p=*)
    PREFIX=$ac_optarg ;;

  -sysconfdir | --sysconfdir | --sysconfdi | --sysconfd | --sysconf \
  | --syscon | --sysco | --sysc | --sys | --sy | -confdir | --confdir)
    ac_prev=CONFDIR ;;
  -sysconfdir=* | --sysconfdir=* | --sysconfdi=* | --sysconfd=* | --sysconf=* \
  | --syscon=* | --sysco=* | --sysc=* | --sys=* | --sy=* | -confdir=* | --confdir=*)
    CONFDIR=$ac_optarg ;;

  -disable-rpath | --disable-rpath)
  	TURN_DISABLE_RPATH=1 ;;

  esac

done

if test -n "$ac_prev"; then
  ac_option=--`echo $ac_prev | sed 's/_/-/g'`
  as_fn_error $? "missing argument to $ac_option"
fi

#############################################

if [ -z "${PREFIX}" ] ; then

	if [ -z "${prefix}" ] ; then

		SYSTEM=`uname`

		if [ "${SYSTEM}" = "NetBSD" ] ; then
			# A little tough guy
			PREFIX=/usr/pkg
		elif [ "${SYSTEM}" = "SunOS" ] ; then
			# A fat guy
			PREFIX=/usr
		else
			# An ordinary person
			PREFIX=/usr/local
		fi
	else
		PREFIX=${prefix}
	fi
fi

if [ -z "${BINDIR}" ] ; then
    if [ -z "${bindir}" ] ; then
		BINDIR=${PREFIX}/bin
    else
		BINDIR=${bindir}
    fi
fi

if [ -z "${LOCALSTATEDIR}" ] ; then
    if [ -z "${localstatedir}" ] ; then

    	if [ "${PREFIX}" = "/usr" ] ; then
			LOCALSTATEDIR=/var
		else
			LOCALSTATEDIR=${PREFIX}/var
		fi

    else
		LOCALSTATEDIR=${localstatedir}
    fi
fi

if [ -z "${CONFDIR}" ] ; then
    if [ -z "${confdir}" ] ; then
	CONFDIR=${PREFIX}/etc
    else
	CONFDIR=${confdir}
    fi
fi

if [ -z "${MANPREFIX}" ] ; then
    if [ -z "${manprefix}" ] ; then
	MANPREFIX=${PREFIX}
    else
	MANPREFIX=${manprefix}
    fi
fi

if [ -z "${EXAMPLESDIR}" ] ; then
    if [ -z "${examplesdir}" ] ; then
	EXAMPLESDIR=${PREFIX}/share/examples/${PORTNAME}
    else
	EXAMPLESDIR=${examplesdir}
    fi
fi

if [ -z "${DOCSDIR}" ] ; then
    if [ -z "${docsdir}" ] ; then
	DOCSDIR=${PREFIX}/share/doc/${PORTNAME}
    else
	DOCSDIR=${docsdir}
    fi
fi

if [ -z "${LIBDIR}" ] ; then
    if [ -z "${libdir}" ] ; then
	LIBDIR=${PREFIX}/lib
    else
	LIBDIR=${libdir}
    fi
fi

if [ -z "${SCHEMADIR}" ] ; then
    if [ -z "${schemadir}" ] ; then
	SCHEMADIR=${PREFIX}/share/${PORTNAME}
    else
	SCHEMADIR=${schemadir}
    fi
fi

if [ -z "${INCLUDEDIR}" ] ; then
    if [ -z "${includedir}" ] ; then
	INCLUDEDIR=${PREFIX}/include
    else
	INCLUDEDIR=${includedir}
    fi
fi

if [ -z "${TURNINCLUDEDIR}" ] ; then
    if [ -z "${turnincludedir}" ] ; then
	TURNINCLUDEDIR=${INCLUDEDIR}/turn
    else
	TURNINCLUDEDIR=${turnincludedir}
    fi
fi

###############################################

if [ -z "${ARCHIVERCMD}" ] ; then
	ARCHIVERCMD="ar -r"
fi

if [ -z "${MORECMD}" ]; then
	MORECMD="cat"
fi

OSCFLAGS="${CFLAGS}"
OSLIBS="${LDFLAGS}"

SYSTEM=`uname`
if [ "${SYSTEM}" = "NetBSD" ] ; then
	OSCFLAGS="${OSCFLAGS} -I/usr/pkg/include"
	OSLIBS="-L/usr/pkg/lib ${OSLIBS}"
	if ! [ -z "${TURN_ACCEPT_RPATH}" ] ; then
	    TURN_RPATH="${TURN_RPATH} -Wl,-rpath,/usr/pkg/lib"
	fi
fi

# If acme_redirect does not work, send_data_from_ioa_socket_nbh() probably
# does not work. Set LIBEV_OK=1 to use a workaround for it.
if [ -z "${LIBEV_OK}" ]; then
	LIBEV_OK=1
	if [ "${SYSTEM}" = "Linux" ]; then
		OS=$( lsb_release -si 2>/dev/null )
		[ "${OS}" = "Ubuntu" ] && LIBEV_OK=0
	fi
fi
[ "${LIBEV_OK}" = "1" ] && OSCFLAGS="${OSCFLAGS} -DLIBEV_OK"

###########################
# Install shell commands
###########################

type ginstall 2>>/dev/null
ER=$?
if [ ${ER} -eq 0 ] ; then
	INSTALL_PROGRAM="ginstall"
	INSTALL_MAN="ginstall"
	INSTALL_SCRIPT="ginstall"
	INSTALL_SHARED_LIB="ginstall"
	INSTALL_STATIC_LIB="ginstall"
	INSTALL_DATA="ginstall"
	MKDIR="ginstall -d"
else
	type install 2>>/dev/null
	ER=$?
	if [ ${ER} -eq 0 ] ; then
		INSTALL_PROGRAM="install -p"
		INSTALL_MAN="install -p -m 0644"
		INSTALL_SCRIPT="install -p"
		INSTALL_SHARED_LIB="install -p"
		INSTALL_STATIC_LIB="install -p"
		INSTALL_DATA="install -p -m 0644"
		MKDIR="install -d"
	else
		INSTALL_PROGRAM="cp -pf"
		INSTALL_MAN="cp -pf"
		INSTALL_SCRIPT="cp -pf"
		INSTALL_SHARED_LIB="cp -pf"
		INSTALL_STATIC_LIB="cp -pf"
		INSTALL_DATA="cp -pf"
		MKDIR="mkdir -p"
	fi
fi

type pkill 2>>/dev/null
ER=$?
if [ ${ER} -eq 0 ] ; then
	PKILL_PROGRAM="pkill"
else
	PKILL_PROGRAM="${ECHO_CMD}"
fi

INSTALL_DIR="cp -rpf"
MKBUILDDIR="mkdir -p"
RMCMD="rm -rf"

type sqlite3 2>>/dev/null
ER=$?
if [ ${ER} -eq 0 ] ; then
    SQLITE_CMD="sqlite3"
else
    type sqlite 2>>/dev/null
    ER=$?
    if [ ${ER} -eq 0 ] ; then
		SQLITE_CMD="sqlite"
    else
		SQLITE_CMD=${ECHO_CMD}
    fi
fi

#############################
# Adjustments for Solaris
#############################

SYSTEM=`uname`

if [ "${SYSTEM}" = "SunOS" ] ; then
# Solaris ? is this you ?!
    OSCFLAGS="${OSCFLAGS} -D__EXTENSIONS__ -D_XOPEN_SOURCE=500 -DTURN_NO_GETDOMAINNAME"
    OSLIBS="${OSLIBS} -lnsl"
    TURN_NO_SCTP=1
fi

#########################
# Temporary DIR location:
#########################

TMPDIR="."

if [ -d /var/tmp ] ; then
  TMPDIR="/var/tmp"
elif [ -d /tmp ] ; then
  TMPDIR=/tmp
fi

${ECHO_CMD} Use TMP dir ${TMPDIR}

#########################
# Basic C test programs
#########################

TMPCADDRPROGO=${TMPDIR}/__test__ccomp_addr_$$.o

TMPCPROG=__test__ccomp__$$
TMPCPROGC=${TMPDIR}/${TMPCPROG}.c
TMPCPROGB=${TMPDIR}/${TMPCPROG}

cat > ${TMPCPROGC} <<!
#include <stdlib.h>
int main(int argc, char** argv) {
    return (int)(argv[argc][0]);
}
!

TH_TMPCPROG=__test__ccomp__pthread__$$
TH_TMPCPROGC=${TMPDIR}/${TH_TMPCPROG}.c
TH_TMPCPROGB=${TMPDIR}/${TH_TMPCPROG}

cat > ${TH_TMPCPROGC} <<!
#include <stdlib.h>
#include <pthread.h>
int main(int argc, char** argv) {
    pthread_mutexattr_settype(0,PTHREAD_MUTEX_RECURSIVE);
    return (int)pthread_create(0,0,0,0)+(int)(argv[argc][0]);
}

!

GCM_TMPCPROG=__test__ccomp__gcm__$$
GCM_TMPCPROGC=${TMPDIR}/${GCM_TMPCPROG}.c
GCM_TMPCPROGB=${TMPDIR}/${GCM_TMPCPROG}

cat > ${GCM_TMPCPROGC} <<!
#include <stdlib.h>
#include <openssl/ssl.h>
#include <openssl/evp.h>
int main(int argc, char** argv) {
    return (int)EVP_CIPH_GCM_MODE;
}
!

D_TMPCPROG=__test__ccomp__daemon__$$
D_TMPCPROGC=${TMPDIR}/${D_TMPCPROG}.c
D_TMPCPROGB=${TMPDIR}/${D_TMPCPROG}

cat > ${D_TMPCPROGC} <<!
#include <stdlib.h>
#include <unistd.h>
int main(int argc, char** argv) {
    return (int)daemon(0,0)+(int)(argv[argc][0]);
}
!

##########################
# What is our compiler ?
##########################

if [ -z "${CC}" ] ; then
    for CC in cc gcc clang; do
        ${CC} ${TMPCPROGC} ${OSCFLAGS} -o ${TMPCPROGB} 2>>/dev/null
        ER=$?
        if [ ${ER} -eq 0 ] ; then
            break
        fi
        CC=
    done

    if [ -z "$CC" ] ; then
        ${ECHO_CMD} "ERROR: failed to a find working C compiler"
        cleanup
        exit 1
    fi
else
    CC_OUTPUT=$(${CC} ${TMPCPROGC} ${OSCFLAGS} -o ${TMPCPROGB})
    ER=$?
    if ! [ ${ER} -eq 0 ] ; then
        ${ECHO_CMD} "ERROR: cannot use compiler ${CC} properly."
        ${ECHO_CMD} "${CC_OUTPUT}"
        cleanup
        exit 1
    fi
fi

${ECHO_CMD} "Compiler: ${CC}"

if [ -z "${TURN_ACCEPT_RPATH}" ] ; then
    ${CC} ${TMPCPROGC} ${OSCFLAGS} -o ${TMPCPROGB} -Wl,-rpath,/usr/lib 2>>/dev/null
    ER=$?
    if [ ${ER} -eq 0 ] ; then
	TURN_ACCEPT_RPATH=1
    fi
fi

##########################
# Which pkg-config?
##########################

if [ -z "$PKGCONFIG" ] ; then
    for PKGCONFIG in pkgconf pkg-config ; do
        if type "$PKGCONFIG" 2>/dev/null ; then
            break
        fi
        PKGCONFIG=
    done

    if [ -z "$PKGCONFIG" ] ; then
        ${ECHO_CMD} "ERROR: pkg-config not found"
        cleanup
        exit 1
    fi
else
    if ! type "$PKGCONFIG" 2>/dev/null ; then
        ${ECHO_CMD} "ERROR: cannot use $PKGCONFIG"
        cleanup
        exit 1
    fi
fi

${ECHO_CMD} "pkg-config: $PKGCONFIG"

###########################
# Check if we can use GNU
# or Clang compiler flags
###########################

GNUOSCFLAGS="-g ${GNUOSCFLAGS}"
GNUOSCFLAGS="${GNUOSCFLAGS} -Wall -Wno-deprecated-declarations -Wextra -Wformat-security -Wnested-externs -Wstrict-prototypes  -Wmissing-prototypes -Wpointer-arith -Wcast-qual"
GNUOSCFLAGS="${GNUOSCFLAGS}"

${CC} -Werror ${GNUOSCFLAGS} ${TMPCPROGC} ${OSCFLAGS} -o ${TMPCPROGB} 2>>/dev/null
ER=$?
if ! [ ${ER} -eq 0 ] ; then
    ${ECHO_CMD} "Hm..."
    ${CC} -Wall ${TMPCPROGC} ${OSCFLAGS} -o ${TMPCPROGB} 2>>/dev/null
    ER=$?
    if ! [ ${ER} -eq 0 ] ; then
		${ECHO_CMD} "Not an ordinary GNU or Clang compiler"
    else
		${ECHO_CMD} "g++ or something..."
		GNUOSCFLAGS="-g -Wall -Wno-deprecated-declarations -Wextra -Wformat-security -Wpointer-arith -Wcast-qual"
		${CC} -Werror ${GNUOSCFLAGS} ${TMPCPROGC} ${OSCFLAGS} -o ${TMPCPROGB} 2>>/dev/null
		ER=$?
		if ! [ ${ER} -eq 0 ] ; then
	    	${ECHO_CMD} "Not an ordinary g++ compiler"
	    	GNUOSCFLAGS="-x c++ -g -Wall -Wno-deprecated-declarations -Wextra -Wformat-security -Wpointer-arith -Wcast-qual"
	    	${CC} -Werror ${GNUOSCFLAGS} ${TMPCPROGC} ${OSCFLAGS} -o ${TMPCPROGB} 2>>/dev/null
	    	ER=$?
	    	if ! [ ${ER} -eq 0 ] ; then
	    		${ECHO_CMD} "Not an ordinary c++ compiler"
	    	else
				${ECHO_CMD} "Clang++ compiler ?"
	    		OSCFLAGS="${GNUOSCFLAGS} ${OSCFLAGS}"
	    	fi
		else
	    	OSCFLAGS="${GNUOSCFLAGS} ${OSCFLAGS}"
		fi
    fi
else
    OSCFLAGS="${GNUOSCFLAGS} ${OSCFLAGS}"
fi

###########################
# Test some general-purpose
# libraries
###########################

testlib socket
testlib rt
testlib wldap32
ER=$?
if ! [ ${ER} -eq 0 ] ; then
    echo "CYGWIN ?"
fi
testlib wldap64
testlib nsl
testlib resolv

###########################
# Test sockets compilation
###########################

test_sin_len

###########################
# Can we use multi-threading ?
###########################

pthread_testlib
ER=$?
if [ ${ER} -ne 0 ] ; then
    ${ECHO_CMD} "ERROR: Cannot find pthread library functions."
    exit 1
fi

if [ -z ${TURN_NO_THREAD_BARRIERS} ] ; then
	pthread_testbarriers
else
	TURN_NO_THREAD_BARRIERS="-DTURN_NO_THREAD_BARRIERS"
fi

if [ -z ${TURN_IP_RECVERR} ] ; then
	${ECHO_CMD} "Ignore IP_RECVERR"
else
	${ECHO_CMD} "Use IP_RECVERR"
	TURN_IP_RECVERR="-DTURN_IP_RECVERR"
	OSCFLAGS="${OSCFLAGS} ${TURN_IP_RECVERR}"
fi

###########################
# Can we use daemon ?
###########################

testdaemon

###########################
# Test OpenSSL installation
###########################

if [ -n "${SSL_CFLAGS}" ] && [ -n "${SSL_LIBS}" ]; then
    ${CC} ${TMPCPROGC} ${SSL_CFLAGS} -o ${TMPCPROGB} ${OSCFLAGS} ${OSLIBS} ${SSL_LIBS} 2>>/dev/null
    ER=$?
    if ! [ ${ER} -eq 0 ] ; then
        ${ECHO_CMD} "Private SSL Library option cannot be used"
        exit 1
    else
        OSCFLAGS="${OSCFLAGS} ${SSL_CFLAGS}"
        OSLIBS="${OSLIBS} ${SSL_LIBS}"
    fi
else
    if testpkg_common libcrypto; then
        ${ECHO_CMD} "OpenSSL Crypto lib found."
    else
	    testlib crypto
	    ER=$?
        if ! [ ${ER} -eq 0 ] ; then
            ${ECHO_CMD} "OpenSSL Crypto lib found."
        else
            ${ECHO_CMD} "ERROR: OpenSSL Crypto development libraries are not installed properly in required location."
            ${ECHO_CMD} "Abort."
            cleanup
            exit 1
        fi
    fi

    if testpkg_common libssl; then
        ${ECHO_CMD} "OpenSSL lib found."
    else
       testlib ssl
        ER=$?
        if ! [ ${ER} -eq 0 ] ; then
            ${ECHO_CMD} "OpenSSL lib found."
        else
            ${ECHO_CMD} "ERROR: OpenSSL development libraries are not installed properly in required location."
            ${ECHO_CMD} "Abort."
            cleanup
            exit 1
        fi
    fi
fi
###########################
# Can we use GCM cipher ?
###########################

if [ -z ${TURN_NO_GCM} ] ; then

gcm_testlib
ER=$?
if [ ${ER} -eq 0 ] ; then
	${ECHO_CMD} "WARNING: Cannot find GCM support."
	${ECHO_CMD} "Turning GCM off."
	TURN_NO_GCM="-DTURN_NO_GCM"
fi

else
	TURN_NO_GCM="-DTURN_NO_GCM"
fi

###########################
# Test Libevent2 setup
###########################
if [ -n "${EVENT_CFLAGS}" ] && [ -n "${EVENT_LIBS}" ]; then
    ${CC} ${TMPCPROGC} ${EVENT_CFLAGS} -o ${TMPCPROGB} ${OSCFLAGS} ${OSLIBS} ${EVENT_LIBS} 2>>/dev/null
    ER=$?
    if ! [ ${ER} -eq 0 ] ; then
        ${ECHO_CMD} "Private Event Library option cannot be used"
        exit 1
    else
        OSCFLAGS="${OSCFLAGS} ${EVENT_CFLAGS}"
        OSLIBS="${OSLIBS} ${EVENT_LIBS}"
    fi
else
    if testpkg_common libevent_core libevent_extra libevent_openssl libevent_pthreads || testpkg_common libevent libevent_openssl libevent_pthreads; then
        ${ECHO_CMD} "Libevent2 runtime found."
    else
        ${ECHO_CMD} "ERROR: Libevent2 development libraries are not installed properly in required location."
        ${ECHO_CMD} "ERROR: may be you have just too old libevent tool - then you have to upgrade it."
        ${ECHO_CMD} "See the docs/Build.md file."
        ${ECHO_CMD} "Abort."
        cleanup
        exit 1
    fi
fi

###########################
# Test Prometheus
###########################

if [ -z "${TURN_NO_PROMETHEUS}" ] ; then

    testlib prom
    ER=$?
    if ! [ ${ER} -eq 0 ] ; then
        ${ECHO_CMD} "Prometheus lib found."
        testlib microhttpd
        ER=$?
        if ! [ ${ER} -eq 0 ] ; then
            ${ECHO_CMD} "Microhttpd lib found."
            # Adjustments for Debian
            # See: https://github.com/coturn/coturn/pull/754#issuecomment-824693226
            if [ -f "/etc/debian_version" ] ; then
                OSLIBS="${OSLIBS} -latomic"
            fi
        else
            ${ECHO_CMD}
            ${ECHO_CMD} "Warning: microhttpd development libraries are not installed properly in required location."
            ${ECHO_CMD} "Prometheus support will be disabled."
            ${ECHO_CMD} "See the docs/Prometheus.md file."
            ${ECHO_CMD}
            OSCFLAGS="${OSCFLAGS} -DTURN_NO_PROMETHEUS"
        fi
    else
        ${ECHO_CMD}
        ${ECHO_CMD} "Warning: Libprom development libraries are not installed properly in required location."
        ${ECHO_CMD} "Prometheus support will be disabled."
        ${ECHO_CMD} "See the docs/Prometheus.md file."
        ${ECHO_CMD}
        OSCFLAGS="${OSCFLAGS} -DTURN_NO_PROMETHEUS"
    fi

else
    OSCFLAGS="${OSCFLAGS} -DTURN_NO_PROMETHEUS"
fi

###########################
# Test libsystemd
###########################

if [ -z "${TURN_NO_SYSTEMD}" ] ; then
    if testpkg_common libsystemd; then
        ${ECHO_CMD} "Systemd library found."
    else
        ${ECHO_CMD} "Systemd library not found. Building without systemd support."
        TURN_NO_SYSTEMD="-DTURN_NO_SYSTEMD"
    fi
else
    TURN_NO_SYSTEMD="-DTURN_NO_SYSTEMD"
fi

###########################
# Test SQLite3 setup
###########################

if [ -z "${TURN_NO_SQLITE}" ] ; then
    if testpkg_db sqlite3; then
        ${ECHO_CMD} "SQLite3 library found."
    else
        ${ECHO_CMD} "SQLite3 development library not found. Building without SQLite3 support."
        TURN_NO_SQLITE="-DTURN_NO_SQLITE"
    fi
else
    TURN_NO_SQLITE="-DTURN_NO_SQLITE"
    SQLITE_CMD=${ECHO_CMD}
fi

if [ -z "${TURNDBDIR}" ] ; then
	TURNDBDIR=${LOCALSTATEDIR}/db
fi

###########################
# Test PostgreSQL
###########################

if [ -z "${TURN_NO_PQ}" ] ; then
    if testpkg_db libpq; then
        ${ECHO_CMD} "PostgreSQL found."
    else
        ${ECHO_CMD} "PostgreSQL not found. Building without PostgreSQL support."
        TURN_NO_PQ="-DTURN_NO_PQ"
    fi
else
    TURN_NO_PQ="-DTURN_NO_PQ"
fi

###########################
# Test MySQL
###########################

if [ -z "${TURN_NO_MYSQL}" ] ; then
    if testpkg_db libmariadb || testpkg_db mariadb || testpkg_db mysqlclient || test_mysql_config; then
        ${ECHO_CMD} "MySQL found."
    else
        ${ECHO_CMD} "MySQL not found. Building without MySQL support."
        TURN_NO_MYSQL="-DTURN_NO_MYSQL"
    fi
else
    TURN_NO_MYSQL="-DTURN_NO_MYSQL"
fi

###########################
# Test MongoDB
###########################

if [ -z "${TURN_NO_MONGO}" ] ; then
    if testpkg_db libmongoc-1.0; then
        ${ECHO_CMD} "MongoDB found."
    else
        ${ECHO_CMD} "MongoDB not found. Building without MongoDB support."
        TURN_NO_MONGO="-DTURN_NO_MONGO"
    fi
else
    TURN_NO_MONGO="-DTURN_NO_MONGO"
fi

###########################
# Test Redis
###########################

if [ -z "${TURN_NO_HIREDIS}" ] ; then
    if testpkg_db hiredis; then
        ${ECHO_CMD} "Hiredis found."
    else
        ${ECHO_CMD} "Hiredis not found. Building without hiredis support."
        TURN_NO_HIREDIS="-DTURN_NO_HIREDIS"
    fi
else
    TURN_NO_HIREDIS="-DTURN_NO_HIREDIS"
fi

###############################
# LDCONFIG
###############################

if [ -z "${LDCONFIG}" ] ; then
	ISBSD=`uname | grep -i bsd`
	if [ -z "${ISBSD}" ] ; then
		ISLINUX=`uname | grep -i linux`
		if [ -z "${ISLINUX}" ] ; then
			SYSTEM=`uname`
			if [ "${SYSTEM}" = "SunOS" ] ; then
				LDCONFIG="crle -u -l"
			else
				LDCONFIG=${ECHO_CMD}
			fi
		else
			LDCONFIG="ldconfig -n"
		fi
	else
		LDCONFIG="ldconfig -m"
	fi
fi

###############################
# SCTP
###############################

if [ -z "${TURN_NO_SCTP}" ] ; then
    if [ -z "${TURN_SCTP_INCLUDE}" ] ; then
		if [ -f /usr/include/netinet/sctp.h ] ; then
	    	TURN_SCTP_INCLUDE="-DTURN_SCTP_INCLUDE=\"</usr/include/netinet/sctp.h>\""
		else
	    	TURN_NO_SCTP="-DTURN_NO_SCTP"
		fi
    else
		TURN_SCTP_INCLUDE="-DTURN_SCTP_INCLUDE=\"\\\"${TURN_SCTP_INCLUDE}\\\"\""
    fi
else
    TURN_NO_SCTP="-DTURN_NO_SCTP"
fi

###############################
# So, what we have now:
###############################

OSCFLAGS="${OSCFLAGS} ${TURN_NO_SCTP} ${TURN_SCTP_INCLUDE} ${TURN_NO_THREAD_BARRIERS} ${TURN_NO_DTLS} ${TURN_NO_GCM} ${TURN_NO_TLS} -DINSTALL_PREFIX=${PREFIX} -DTURNDB=${TURNDBDIR}/turndb"

if ! [ -z "${TURN_ACCEPT_RPATH}" ] ; then
  if [ -z "${TURN_DISABLE_RPATH}" ] ; then
    TURN_RPATH="${TURN_RPATH} -Wl,-rpath,/usr/local/lib"
    OSLIBS="${OSLIBS} ${TURN_RPATH}"
  fi
fi

${ECHO_CMD} PREFIX="${PREFIX}" LOCALSTATEDIR="${LOCALSTATEDIR}" OSLIBS="${OSLIBS}" DBLIBS="${DBLIBS}" OSCFLAGS="${OSCFLAGS}" DBCFLAGS="${DBCFLAGS}" $@

###############################
# Make make:
###############################

${ECHO_CMD} "#################################" > Makefile
${ECHO_CMD} "# Generated by configure script #" >> Makefile
${ECHO_CMD} "#################################" >> Makefile
${ECHO_CMD} "ECHO_CMD = ${ECHO_CMD}" >> Makefile
${ECHO_CMD} "CC = ${CC}" >> Makefile
${ECHO_CMD} "LDFLAGS += ${OSLIBS}" >> Makefile
${ECHO_CMD} "DBLIBS += ${DBLIBS}" >> Makefile
${ECHO_CMD} "CFLAGS += ${OSCFLAGS}" >> Makefile
${ECHO_CMD} "CPPFLAGS = ${CPPFLAGS}" >> Makefile
${ECHO_CMD} "DBCFLAGS += ${DBCFLAGS} ${TURN_NO_PQ} ${TURN_NO_MYSQL} ${TURN_NO_SQLITE} ${TURN_NO_MONGO} ${TURN_NO_HIREDIS} ${TURN_NO_SYSTEMD}" >> Makefile
${ECHO_CMD} "#" >> Makefile
${ECHO_CMD} "PORTNAME = ${PORTNAME}" >> Makefile
${ECHO_CMD} "PREFIX = ${PREFIX}" >> Makefile
${ECHO_CMD} "prefix = ${PREFIX}" >> Makefile
${ECHO_CMD} "BINDIR = ${BINDIR}" >> Makefile
${ECHO_CMD} "bindir = ${BINDIR}" >> Makefile
${ECHO_CMD} "LOCALSTATEDIR = ${LOCALSTATEDIR}" >> Makefile
${ECHO_CMD} "localstatedir = ${LOCALSTATEDIR}" >> Makefile
${ECHO_CMD} "TURNDBDIR = ${TURNDBDIR}" >> Makefile
${ECHO_CMD} "turndbdir = ${TURNDBDIR}" >> Makefile
${ECHO_CMD} "CONFDIR = ${CONFDIR}" >> Makefile
${ECHO_CMD} "confdir = ${CONFDIR}" >> Makefile
${ECHO_CMD} "MANPREFIX = ${MANPREFIX}" >> Makefile
${ECHO_CMD} "manprefix = ${MANPREFIX}" >> Makefile
${ECHO_CMD} "EXAMPLESDIR = ${EXAMPLESDIR}" >> Makefile
${ECHO_CMD} "examplesdir = ${EXAMPLESDIR}" >> Makefile
${ECHO_CMD} "DOCSDIR = ${DOCSDIR}" >> Makefile
${ECHO_CMD} "docsdir = ${DOCSDIR}" >> Makefile
${ECHO_CMD} "LIBDIR = ${LIBDIR}" >> Makefile
${ECHO_CMD} "libdir = ${LIBDIR}" >> Makefile
${ECHO_CMD} "SCHEMADIR = ${SCHEMADIR}" >> Makefile
${ECHO_CMD} "schemadir = ${SCHEMADIR}" >> Makefile
${ECHO_CMD} "INCLUDEDIR = ${INCLUDEDIR}" >> Makefile
${ECHO_CMD} "includedir = ${INCLUDEDIR}" >> Makefile
${ECHO_CMD} "TURNINCLUDEDIR = ${TURNINCLUDEDIR}" >> Makefile
${ECHO_CMD} "turnincludedir = ${TURNINCLUDEDIR}" >> Makefile
${ECHO_CMD} "#" >> Makefile
${ECHO_CMD} "ARCHIVERCMD = ${ARCHIVERCMD}" >> Makefile
${ECHO_CMD} "MKDIR = ${MKDIR}" >> Makefile
${ECHO_CMD} "SQLITE_CMD = ${SQLITE_CMD}" >> Makefile
${ECHO_CMD} "INSTALL_PROGRAM = ${INSTALL_PROGRAM}" >> Makefile
${ECHO_CMD} "PKILL_PROGRAM = ${PKILL_PROGRAM}" >> Makefile
${ECHO_CMD} "INSTALL_MAN = ${INSTALL_MAN}" >> Makefile
${ECHO_CMD} "INSTALL_SCRIPT = ${INSTALL_SCRIPT}" >> Makefile
${ECHO_CMD} "INSTALL_SHARED_LIB = ${INSTALL_SHARED_LIB}" >> Makefile
${ECHO_CMD} "INSTALL_STATIC_LIB = ${INSTALL_STATIC_LIB}" >> Makefile
${ECHO_CMD} "INSTALL_DATA = ${INSTALL_DATA}" >> Makefile
${ECHO_CMD} "INSTALL_DIR = ${INSTALL_DIR}" >> Makefile
${ECHO_CMD} "MKBUILDDIR = ${MKBUILDDIR}" >> Makefile
${ECHO_CMD} "RMCMD = ${RMCMD}" >> Makefile
${ECHO_CMD} "MORECMD = ${MORECMD}" >> Makefile
${ECHO_CMD} "LDCONFIG=${LDCONFIG}" >> Makefile
${ECHO_CMD} "################################" >> Makefile
${ECHO_CMD} "" >> Makefile
cat Makefile.in >> Makefile

###############################
# End:
###############################

cleanup

${ECHO_CMD} "Makefile created: success."