dnl YAZ Toolkit, Index Data 1994-2000
dnl See the file LICENSE for details.
dnl $Id: configure.in,v 1.38 2000-11-23 10:58:32 adam Exp $
AC_INIT(include/yaz/yaz-version.h)
AM_INIT_AUTOMAKE(yaz, 1.7)
dnl
AC_SUBST(READLINE_LIBS)
dnl ------ Checking programs
AC_PROG_CC
AC_PROG_CPP
AC_PROG_INSTALL
AM_DISABLE_SHARED
AM_PROG_LIBTOOL
dnl 
dnl ----- yaz-comp: The Yaz Compiler
AC_SUBST(ASNMODULE)
AC_SUBST(ILLMODULE)
AC_SUBST(ILLLIB)
AC_ARG_ENABLE(comp,[  --disable-comp          use old encoders, i.e. disable the YAZ ASN.1 Compiler], , enable_comp=yes)
if test "$enable_comp" = "yes"; then
	ASNMODULE="z39.50"
	ILLMODULE="ill"
	ILLLIB=../ill/libill.la
	ASN_MAKEFILES="z39.50/Makefile ill/Makefile"
	HFILE=${srcdir}/include/yaz/z-proto.h
else
	ILLMODULE=""
	ASNMODULE=asn
	ILLLIB=""
	ASN_MAKEFILES="asn/Makefile"
	HFILE=${srcdir}/asn/prt-proto.h
fi
AC_MSG_CHECKING(whether proto.h needs to be generated)
yaz_include=${srcdir}/include/yaz
if test -r ${yaz_include}/proto.h && cmp -s $HFILE ${yaz_include}/proto.h; then
	AC_MSG_RESULT(no)
else
	AC_MSG_RESULT(yes)
	cp -f $HFILE ${yaz_include}/proto.h
	if test "$enable_comp" != "yes"; then
		cp ${srcdir}/asn/*.h ${yaz_include}
	fi
fi
dnl
dnl ----- Sockets
checkBoth=0
AC_CHECK_FUNC(connect)
if test "$ac_cv_func_connect" = "no"; then
	AC_CHECK_LIB(socket, main, LIBS="$LIBS -lsocket", checkBoth=1)
fi
if test "$checkBoth" = "1"; then
	oldLibs=$LIBS
	LIBS="$LIBS -lsocket -lnsl"
	AC_CHECK_FUNC(accept, , [LIBS=$oldLibs])
fi
AC_CHECK_FUNC(gethostbyname, , AC_CHECK_LIB(nsl, main, [LIBS="$LIBS -lnsl"]))
dnl
dnl ------ Open SSL
openssl=no
AC_ARG_WITH(openssl, [  --with-openssl[=DIR]    OpenSSL library in DIR], [openssl=$withval])
if test "$openssl" = "yes"; then
	AC_CHECK_LIB(crypto, main)
	AC_CHECK_LIB(ssl, SSL_new)
	if test "$ac_cv_lib_ssl_SSL_new" = "yes"; then
		AC_CHECK_HEADERS(openssl/ssl.h)
	fi
fi
dnl ------ GNU Readline
READLINE_LIBS=""
AC_CHECK_LIB(readline, readline, [READLINE_LIBS="$READLINE_LIBS -lreadline"])
if test "$ac_cv_lib_readline_readline" = "no"; then
	AC_CHECK_LIB(readline, readline, [READLINE_LIBS="$READLINE_LIBS -lreadline -ltermcap"])
fi
AC_CHECK_LIB(history, add_history, [READLINE_LIBS="$READLINE_LIBS -lhistory"])
if test "$ac_cv_lib_readline_readline" = "yes"; then
	AC_CHECK_HEADERS(readline/readline.h readline/history.h)
fi
dnl ------ snprintf
AC_CHECK_FUNCS(vsnprintf gettimeofday)
dnl
dnl ------ tcpd
AC_ARG_ENABLE(tcpd,[  --enable-tcpd[=PREFIX]  enable TCP wrapper for server if available])
if test "$enable_tcpd" != ""; then
	oldLibs=$LIBS
	oldCPPFLAGS=$CPPFLAGS
	if test "$enable_tcpd" != "yes"; then
		LIBS="$LIBS -L$enable_tcpd/lib"
		CPPFLAGS="$CPPFLAGS -I$enable_tcpd/include"
	fi
	AC_MSG_CHECKING(for working tcpd.h)
	LIBS="$LIBS -lwrap -lnsl"
	AC_TRY_LINK([#include <syslog.h>
#include <tcpd.h>
	int allow_severity = LOG_INFO;
	int deny_severity = LOG_WARNING;],
	[struct request_info request_info; int i;
	i = hosts_access(&request_info);],
	tcpd_ok=1, tcpd_ok=0)
	if test "$tcpd_ok" = "0"; then
		AC_MSG_RESULT(no)
		LIBS=$oldLibs
		CPPFLAGS=$oldCPPFLAGS
	else
		AC_MSG_RESULT(yes)
		AC_DEFINE(HAVE_TCPD_H)
	fi
fi
dnl
dnl ------ Headers
AC_STDC_HEADERS
if test "$ac_cv_header_stdc" = "no"; then
	AC_MSG_WARN(Your system doesn't seem to support ANSI C)
fi
dnl
dnl ------ Threads
AC_ARG_ENABLE(threads, [  --disable-threads       disable POSIX threads],[enable_threads=$enableval],[enable_threads=yes])
AC_SUBST(LIBTHREAD)
if test "$enable_threads" = "yes"; then
	OLIBS=$LIBS
	AC_CHECK_LIB(pthread,main)
	AC_MSG_CHECKING(for working POSIX Threads)
	AC_TRY_LINK([#include <pthread.h>
	int func(void *p) { return 0; }
	],[
	pthread_t pthread_id;
	int r = pthread_create (&pthread_id, 0, func, 0);],
		thread_ok=yes,thread_ok=no)
	if test "$thread_ok" = "yes"; then
		LIBTHREAD=-lpthread
		AC_MSG_RESULT(yes)
		HAVETHREADS=1
	else
		LIBTHREAD=""
		AC_MSG_RESULT(no)
		HAVETHREADS=0
	fi
	LIBS=$OLIBS
fi
AM_CONDITIONAL(ISTHR, test $HAVETHREADS = "1")
dnl ------ Using this for "in-source" yaz-config
AC_SUBST(YAZ_SRC_ROOT)
YAZ_SRC_ROOT=`pwd`
dnl
SUBDIRS_VAR="util odr $ASNMODULE $ILLMODULE zutil comstack ccl tab retrieval server include lib client ztest"
AC_SUBST(SUBDIRS_VAR)
if test -f lib/yaz-config.in; then
	rm lib/yaz-config.in
fi
sed s%yaz_echo_source=yes%yaz_echo_source=no%g < yaz-config.in >lib/yaz-config.in
dnl
dnl ------ Makefiles
dnl
AC_OUTPUT([
Makefile
util/Makefile
odr/Makefile
z39.50/Makefile
asn/Makefile
ill/Makefile
zutil/Makefile
comstack/Makefile
ccl/Makefile
tab/Makefile
retrieval/Makefile
server/Makefile
include/Makefile
include/yaz/Makefile
lib/Makefile
client/Makefile
ztest/Makefile
doc/Makefile
yaz-config
lib/yaz-config
],[chmod +x yaz-config lib/yaz-config])